Merge branch 'develop' into gsouquet/threads-action-bar-19127

CHANGELOG.md

@@ -1,3 +1,106 @@
+Changes in [3.31.0](https://github.com/vector-im/element-desktop/releases/tag/v3.31.0) (2021-09-27)
+===================================================================================================
+
+## ✨ Features
+ * Say Joining space instead of Joining room where we know its a space ([\#6818](https://github.com/matrix-org/matrix-react-sdk/pull/6818)). Fixes vector-im/element-web#19064 and vector-im/element-web#19064.
+ * Add warning that some spaces may not be relinked to the newly upgraded room ([\#6805](https://github.com/matrix-org/matrix-react-sdk/pull/6805)). Fixes vector-im/element-web#18858 and vector-im/element-web#18858.
+ * Delabs Spaces, iterate some copy and move communities/space toggle to preferences ([\#6594](https://github.com/matrix-org/matrix-react-sdk/pull/6594)). Fixes vector-im/element-web#18088, vector-im/element-web#18524 vector-im/element-web#18088 and vector-im/element-web#18088.
+ * Show "Message" in the user info panel instead of "Start chat" ([\#6319](https://github.com/matrix-org/matrix-react-sdk/pull/6319)). Fixes vector-im/element-web#17877 and vector-im/element-web#17877. Contributed by [SimonBrandner](https://github.com/SimonBrandner).
+ * Fix space keyboard shortcuts conflicting with native zoom shortcuts ([\#6804](https://github.com/matrix-org/matrix-react-sdk/pull/6804)).
+ * Replace plain text emoji at the end of a line ([\#6784](https://github.com/matrix-org/matrix-react-sdk/pull/6784)). Fixes vector-im/element-web#18833 and vector-im/element-web#18833. Contributed by [SimonBrandner](https://github.com/SimonBrandner).
+ * Simplify Space Panel layout and fix some edge cases ([\#6800](https://github.com/matrix-org/matrix-react-sdk/pull/6800)). Fixes vector-im/element-web#18694 and vector-im/element-web#18694.
+ * Show unsent message warning on Space Panel buttons ([\#6778](https://github.com/matrix-org/matrix-react-sdk/pull/6778)). Fixes vector-im/element-web#18891 and vector-im/element-web#18891.
+ * Hide mute/unmute button in UserInfo for Spaces as it makes no sense ([\#6790](https://github.com/matrix-org/matrix-react-sdk/pull/6790)). Fixes vector-im/element-web#19007 and vector-im/element-web#19007.
+ * Fix automatic field population in space create menu not validating ([\#6792](https://github.com/matrix-org/matrix-react-sdk/pull/6792)). Fixes vector-im/element-web#19005 and vector-im/element-web#19005.
+ * Optimize input label transition on focus ([\#6783](https://github.com/matrix-org/matrix-react-sdk/pull/6783)). Fixes vector-im/element-web#12876 and vector-im/element-web#12876. Contributed by [MadLittleMods](https://github.com/MadLittleMods).
+ * Adapt and re-use the RolesRoomSettingsTab for Spaces ([\#6779](https://github.com/matrix-org/matrix-react-sdk/pull/6779)). Fixes vector-im/element-web#18908 vector-im/element-web#18909 and vector-im/element-web#18908.
+ * Deduplicate join rule management between rooms and spaces ([\#6724](https://github.com/matrix-org/matrix-react-sdk/pull/6724)). Fixes vector-im/element-web#18798 and vector-im/element-web#18798.
+ * Add config option to turn on in-room event sending timing metrics ([\#6766](https://github.com/matrix-org/matrix-react-sdk/pull/6766)).
+ * Improve the upgrade for restricted user experience ([\#6764](https://github.com/matrix-org/matrix-react-sdk/pull/6764)). Fixes vector-im/element-web#18677 and vector-im/element-web#18677.
+ * Improve tooltips on space quick actions and explore button ([\#6760](https://github.com/matrix-org/matrix-react-sdk/pull/6760)). Fixes vector-im/element-web#18528 and vector-im/element-web#18528.
+ * Make space members and user info behave more expectedly ([\#6765](https://github.com/matrix-org/matrix-react-sdk/pull/6765)). Fixes vector-im/element-web#17018 and vector-im/element-web#17018.
+ * hide no-op m.room.encryption events and better word param changes ([\#6747](https://github.com/matrix-org/matrix-react-sdk/pull/6747)). Fixes vector-im/element-web#18597 and vector-im/element-web#18597.
+ * Respect m.space.parent relations if they hold valid permissions ([\#6746](https://github.com/matrix-org/matrix-react-sdk/pull/6746)). Fixes vector-im/element-web#10935 and vector-im/element-web#10935.
+ * Space panel accessibility improvements ([\#6744](https://github.com/matrix-org/matrix-react-sdk/pull/6744)). Fixes vector-im/element-web#18892 and vector-im/element-web#18892.
+
+## 🐛 Bug Fixes
+ * Fix spacing for message composer buttons ([\#6854](https://github.com/matrix-org/matrix-react-sdk/pull/6854)).
+ * Fix accessing field on oobData which may be undefined ([\#6830](https://github.com/matrix-org/matrix-react-sdk/pull/6830)). Fixes vector-im/element-web#19085 and vector-im/element-web#19085.
+ * Fix reactions aria-label not being a string and thus being read as [Object object] ([\#6828](https://github.com/matrix-org/matrix-react-sdk/pull/6828)).
+ * Fix missing null guard in space hierarchy pagination ([\#6821](https://github.com/matrix-org/matrix-react-sdk/pull/6821)). Fixes matrix-org/element-web-rageshakes#6299 and matrix-org/element-web-rageshakes#6299.
+ * Fix checks to show prompt to start new chats ([\#6812](https://github.com/matrix-org/matrix-react-sdk/pull/6812)).
+ * Fix room list scroll jumps ([\#6777](https://github.com/matrix-org/matrix-react-sdk/pull/6777)). Fixes vector-im/element-web#17460 vector-im/element-web#18440 and vector-im/element-web#17460. Contributed by [robintown](https://github.com/robintown).
+ * Fix various message bubble alignment issues ([\#6785](https://github.com/matrix-org/matrix-react-sdk/pull/6785)). Fixes vector-im/element-web#18293, vector-im/element-web#18294 vector-im/element-web#18305 and vector-im/element-web#18293. Contributed by [robintown](https://github.com/robintown).
+ * Make message bubble font size consistent ([\#6795](https://github.com/matrix-org/matrix-react-sdk/pull/6795)). Contributed by [robintown](https://github.com/robintown).
+ * Fix edge cases around joining new room which does not belong to active space ([\#6797](https://github.com/matrix-org/matrix-react-sdk/pull/6797)). Fixes vector-im/element-web#19025 and vector-im/element-web#19025.
+ * Fix edge case space issues around creation and initial view ([\#6798](https://github.com/matrix-org/matrix-react-sdk/pull/6798)). Fixes vector-im/element-web#19023 and vector-im/element-web#19023.
+ * Stop spinner on space preview if the join fails ([\#6803](https://github.com/matrix-org/matrix-react-sdk/pull/6803)). Fixes vector-im/element-web#19034 and vector-im/element-web#19034.
+ * Fix emoji picker and stickerpicker not appearing correctly when opened ([\#6793](https://github.com/matrix-org/matrix-react-sdk/pull/6793)). Fixes vector-im/element-web#19012 and vector-im/element-web#19012. Contributed by [Palid](https://github.com/Palid).
+ * Fix autocomplete not having y-scroll ([\#6794](https://github.com/matrix-org/matrix-react-sdk/pull/6794)). Fixes vector-im/element-web#18997 and vector-im/element-web#18997. Contributed by [Palid](https://github.com/Palid).
+ * Fix broken edge case with public space creation with no alias ([\#6791](https://github.com/matrix-org/matrix-react-sdk/pull/6791)). Fixes vector-im/element-web#19003 and vector-im/element-web#19003.
+ * Redirect from /#/welcome to /#/home if already logged in ([\#6786](https://github.com/matrix-org/matrix-react-sdk/pull/6786)). Fixes vector-im/element-web#18990 and vector-im/element-web#18990. Contributed by [aaronraimist](https://github.com/aaronraimist).
+ * Fix build issues from two conflicting PRs landing without merge conflict ([\#6780](https://github.com/matrix-org/matrix-react-sdk/pull/6780)).
+ * Render guest settings only in public rooms/spaces ([\#6693](https://github.com/matrix-org/matrix-react-sdk/pull/6693)). Fixes vector-im/element-web#18776 and vector-im/element-web#18776. Contributed by [SimonBrandner](https://github.com/SimonBrandner).
+ * Fix message bubble corners being wrong in the presence of hidden events ([\#6776](https://github.com/matrix-org/matrix-react-sdk/pull/6776)). Fixes vector-im/element-web#18124 and vector-im/element-web#18124. Contributed by [robintown](https://github.com/robintown).
+ * Debounce read marker update on scroll ([\#6771](https://github.com/matrix-org/matrix-react-sdk/pull/6771)). Fixes vector-im/element-web#18961 and vector-im/element-web#18961.
+ * Use cursor:pointer on space panel buttons ([\#6770](https://github.com/matrix-org/matrix-react-sdk/pull/6770)). Fixes vector-im/element-web#18951 and vector-im/element-web#18951.
+ * Fix regressed tab view buttons in space update toast ([\#6761](https://github.com/matrix-org/matrix-react-sdk/pull/6761)). Fixes vector-im/element-web#18781 and vector-im/element-web#18781.
+
+Changes in [3.31.0-rc.2](https://github.com/vector-im/element-desktop/releases/tag/v3.31.0-rc.2) (2021-09-22)
+=============================================================================================================
+
+## 🐛 Bug Fixes
+ * Fix spacing for message composer buttons ([\#6854](https://github.com/matrix-org/matrix-react-sdk/pull/6854)).
+
+Changes in [3.31.0-rc.1](https://github.com/vector-im/element-desktop/releases/tag/v3.31.0-rc.1) (2021-09-21)
+=============================================================================================================
+
+## ✨ Features
+ * Say Joining space instead of Joining room where we know its a space ([\#6818](https://github.com/matrix-org/matrix-react-sdk/pull/6818)). Fixes vector-im/element-web#19064 and vector-im/element-web#19064.
+ * Add warning that some spaces may not be relinked to the newly upgraded room ([\#6805](https://github.com/matrix-org/matrix-react-sdk/pull/6805)). Fixes vector-im/element-web#18858 and vector-im/element-web#18858.
+ * Delabs Spaces, iterate some copy and move communities/space toggle to preferences ([\#6594](https://github.com/matrix-org/matrix-react-sdk/pull/6594)). Fixes vector-im/element-web#18088, vector-im/element-web#18524 vector-im/element-web#18088 and vector-im/element-web#18088.
+ * Show "Message" in the user info panel instead of "Start chat" ([\#6319](https://github.com/matrix-org/matrix-react-sdk/pull/6319)). Fixes vector-im/element-web#17877 and vector-im/element-web#17877. Contributed by [SimonBrandner](https://github.com/SimonBrandner).
+ * Fix space keyboard shortcuts conflicting with native zoom shortcuts ([\#6804](https://github.com/matrix-org/matrix-react-sdk/pull/6804)).
+ * Replace plain text emoji at the end of a line ([\#6784](https://github.com/matrix-org/matrix-react-sdk/pull/6784)). Fixes vector-im/element-web#18833 and vector-im/element-web#18833. Contributed by [SimonBrandner](https://github.com/SimonBrandner).
+ * Simplify Space Panel layout and fix some edge cases ([\#6800](https://github.com/matrix-org/matrix-react-sdk/pull/6800)). Fixes vector-im/element-web#18694 and vector-im/element-web#18694.
+ * Show unsent message warning on Space Panel buttons ([\#6778](https://github.com/matrix-org/matrix-react-sdk/pull/6778)). Fixes vector-im/element-web#18891 and vector-im/element-web#18891.
+ * Hide mute/unmute button in UserInfo for Spaces as it makes no sense ([\#6790](https://github.com/matrix-org/matrix-react-sdk/pull/6790)). Fixes vector-im/element-web#19007 and vector-im/element-web#19007.
+ * Fix automatic field population in space create menu not validating ([\#6792](https://github.com/matrix-org/matrix-react-sdk/pull/6792)). Fixes vector-im/element-web#19005 and vector-im/element-web#19005.
+ * Optimize input label transition on focus ([\#6783](https://github.com/matrix-org/matrix-react-sdk/pull/6783)). Fixes vector-im/element-web#12876 and vector-im/element-web#12876. Contributed by [MadLittleMods](https://github.com/MadLittleMods).
+ * Adapt and re-use the RolesRoomSettingsTab for Spaces ([\#6779](https://github.com/matrix-org/matrix-react-sdk/pull/6779)). Fixes vector-im/element-web#18908 vector-im/element-web#18909 and vector-im/element-web#18908.
+ * Deduplicate join rule management between rooms and spaces ([\#6724](https://github.com/matrix-org/matrix-react-sdk/pull/6724)). Fixes vector-im/element-web#18798 and vector-im/element-web#18798.
+ * Add config option to turn on in-room event sending timing metrics ([\#6766](https://github.com/matrix-org/matrix-react-sdk/pull/6766)).
+ * Improve the upgrade for restricted user experience ([\#6764](https://github.com/matrix-org/matrix-react-sdk/pull/6764)). Fixes vector-im/element-web#18677 and vector-im/element-web#18677.
+ * Improve tooltips on space quick actions and explore button ([\#6760](https://github.com/matrix-org/matrix-react-sdk/pull/6760)). Fixes vector-im/element-web#18528 and vector-im/element-web#18528.
+ * Make space members and user info behave more expectedly ([\#6765](https://github.com/matrix-org/matrix-react-sdk/pull/6765)). Fixes vector-im/element-web#17018 and vector-im/element-web#17018.
+ * hide no-op m.room.encryption events and better word param changes ([\#6747](https://github.com/matrix-org/matrix-react-sdk/pull/6747)). Fixes vector-im/element-web#18597 and vector-im/element-web#18597.
+ * Respect m.space.parent relations if they hold valid permissions ([\#6746](https://github.com/matrix-org/matrix-react-sdk/pull/6746)). Fixes vector-im/element-web#10935 and vector-im/element-web#10935.
+ * Space panel accessibility improvements ([\#6744](https://github.com/matrix-org/matrix-react-sdk/pull/6744)). Fixes vector-im/element-web#18892 and vector-im/element-web#18892.
+
+## 🐛 Bug Fixes
+ * Revert Firefox composer deletion hacks ([\#6844](https://github.com/matrix-org/matrix-react-sdk/pull/6844)). Fixes vector-im/element-web#19103 and vector-im/element-web#19103. Contributed by [SimonBrandner](https://github.com/SimonBrandner).
+ * Fix accessing field on oobData which may be undefined ([\#6830](https://github.com/matrix-org/matrix-react-sdk/pull/6830)). Fixes vector-im/element-web#19085 and vector-im/element-web#19085.
+ * Fix pill deletion on Firefox 78 ([\#6832](https://github.com/matrix-org/matrix-react-sdk/pull/6832)). Fixes vector-im/element-web#19077 and vector-im/element-web#19077. Contributed by [SimonBrandner](https://github.com/SimonBrandner).
+ * Fix reactions aria-label not being a string and thus being read as [Object object] ([\#6828](https://github.com/matrix-org/matrix-react-sdk/pull/6828)).
+ * Fix missing null guard in space hierarchy pagination ([\#6821](https://github.com/matrix-org/matrix-react-sdk/pull/6821)). Fixes matrix-org/element-web-rageshakes#6299 and matrix-org/element-web-rageshakes#6299.
+ * Fix checks to show prompt to start new chats ([\#6812](https://github.com/matrix-org/matrix-react-sdk/pull/6812)).
+ * Fix room list scroll jumps ([\#6777](https://github.com/matrix-org/matrix-react-sdk/pull/6777)). Fixes vector-im/element-web#17460 vector-im/element-web#18440 and vector-im/element-web#17460. Contributed by [robintown](https://github.com/robintown).
+ * Fix various message bubble alignment issues ([\#6785](https://github.com/matrix-org/matrix-react-sdk/pull/6785)). Fixes vector-im/element-web#18293, vector-im/element-web#18294 vector-im/element-web#18305 and vector-im/element-web#18293. Contributed by [robintown](https://github.com/robintown).
+ * Make message bubble font size consistent ([\#6795](https://github.com/matrix-org/matrix-react-sdk/pull/6795)). Contributed by [robintown](https://github.com/robintown).
+ * Fix edge cases around joining new room which does not belong to active space ([\#6797](https://github.com/matrix-org/matrix-react-sdk/pull/6797)). Fixes vector-im/element-web#19025 and vector-im/element-web#19025.
+ * Fix edge case space issues around creation and initial view ([\#6798](https://github.com/matrix-org/matrix-react-sdk/pull/6798)). Fixes vector-im/element-web#19023 and vector-im/element-web#19023.
+ * Stop spinner on space preview if the join fails ([\#6803](https://github.com/matrix-org/matrix-react-sdk/pull/6803)). Fixes vector-im/element-web#19034 and vector-im/element-web#19034.
+ * Fix emoji picker and stickerpicker not appearing correctly when opened ([\#6793](https://github.com/matrix-org/matrix-react-sdk/pull/6793)). Fixes vector-im/element-web#19012 and vector-im/element-web#19012. Contributed by [Palid](https://github.com/Palid).
+ * Fix autocomplete not having y-scroll ([\#6794](https://github.com/matrix-org/matrix-react-sdk/pull/6794)). Fixes vector-im/element-web#18997 and vector-im/element-web#18997. Contributed by [Palid](https://github.com/Palid).
+ * Fix broken edge case with public space creation with no alias ([\#6791](https://github.com/matrix-org/matrix-react-sdk/pull/6791)). Fixes vector-im/element-web#19003 and vector-im/element-web#19003.
+ * Redirect from /#/welcome to /#/home if already logged in ([\#6786](https://github.com/matrix-org/matrix-react-sdk/pull/6786)). Fixes vector-im/element-web#18990 and vector-im/element-web#18990. Contributed by [aaronraimist](https://github.com/aaronraimist).
+ * Fix build issues from two conflicting PRs landing without merge conflict ([\#6780](https://github.com/matrix-org/matrix-react-sdk/pull/6780)).
+ * Render guest settings only in public rooms/spaces ([\#6693](https://github.com/matrix-org/matrix-react-sdk/pull/6693)). Fixes vector-im/element-web#18776 and vector-im/element-web#18776. Contributed by [SimonBrandner](https://github.com/SimonBrandner).
+ * Fix message bubble corners being wrong in the presence of hidden events ([\#6776](https://github.com/matrix-org/matrix-react-sdk/pull/6776)). Fixes vector-im/element-web#18124 and vector-im/element-web#18124. Contributed by [robintown](https://github.com/robintown).
+ * Debounce read marker update on scroll ([\#6771](https://github.com/matrix-org/matrix-react-sdk/pull/6771)). Fixes vector-im/element-web#18961 and vector-im/element-web#18961.
+ * Use cursor:pointer on space panel buttons ([\#6770](https://github.com/matrix-org/matrix-react-sdk/pull/6770)). Fixes vector-im/element-web#18951 and vector-im/element-web#18951.
+ * Fix regressed tab view buttons in space update toast ([\#6761](https://github.com/matrix-org/matrix-react-sdk/pull/6761)). Fixes vector-im/element-web#18781 and vector-im/element-web#18781.
+
 Changes in [3.30.0](https://github.com/vector-im/element-desktop/releases/tag/v3.30.0) (2021-09-14)
 ===================================================================================================
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "matrix-react-sdk",
-  "version": "3.30.0",
+  "version": "3.31.0",
   "description": "SDK for matrix.org using React",
   "author": "matrix.org",
   "repository": {

res/css/structures/_RoomView.scss

@@ -89,7 +89,6 @@ limitations under the License.
     margin: 0px auto;
 
     overflow: auto;
-    flex: 0 0 auto;
 }
 
 .mx_RoomView_auxPanel_fullHeight {

res/css/views/elements/_ReplyThread.scss

@@ -59,3 +59,14 @@ limitations under the License.
         border-left-color: $username-variant8-color;
     }
 }
+
+.mx_ReplyThread--expanded {
+    .mx_EventTile_body {
+        display: block;
+        overflow-y: scroll !important;
+    }
+    .mx_EventTile_collapsedCodeBlock {
+        // !important needed due to .mx_ReplyTile .mx_EventTile_content .mx_EventTile_pre_container > pre
+        display: block !important;
+    }
+}

res/css/views/elements/_RichText.scss

@@ -18,7 +18,7 @@ a.mx_Pill {
     text-overflow: ellipsis;
     white-space: nowrap;
     overflow: hidden;
-    max-width: calc(100% - 1ch);
+    max-width: 100%;
 }
 
 .mx_Pill {

res/css/views/messages/_MessageActionBar.scss

@@ -117,6 +117,16 @@ limitations under the License.
     mask-image: url('$(res)/img/download.svg');
 }
 
+.mx_MessageActionBar_expandMessageButton::after {
+    mask-size: 12px;
+    mask-image: url('$(res)/img/element-icons/expand-message.svg');
+}
+
+.mx_MessageActionBar_collapseMessageButton::after {
+    mask-size: 12px;
+    mask-image: url('$(res)/img/element-icons/collapse-message.svg');
+}
+
 .mx_MessageActionBar_downloadButton.mx_MessageActionBar_downloadSpinnerButton::after {
     background-color: transparent; // hide the download icon mask
 }

res/img/element-icons/collapse-message.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 11 14"><defs/><path fill="#737D8C" fill-rule="evenodd" d="M.2192.234A.753.753 0 011.2815.2321l3.7243 3.7003L8.7181.2202A.753.753 0 019.7805.2185a.747.747 0 01.0017 1.0589L5.5396 5.52a.753.753 0 01-1.0624.0018L.221 1.2928A.747.747 0 01.2192.234zM9.7822 13.7663a.7529.7529 0 01-1.0623.0017l-3.7243-3.7003L1.2833 13.78a.753.753 0 01-1.0624.0018.7471.7471 0 01-.0017-1.059l4.2426-4.2426a.753.753 0 011.0624-.0017l4.2563 4.2289a.747.747 0 01.0017 1.0589z" clip-rule="evenodd"/></svg>

res/img/element-icons/expand-message.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 11 14"><defs/><path fill="#17191C" fill-rule="evenodd" d="M.2192 8.494a.753.753 0 011.0623-.0018l3.7243 3.7003 3.7123-3.7123a.753.753 0 011.0624-.0017.747.747 0 01.0017 1.059L5.5396 13.78a.753.753 0 01-1.0624.0018L.221 9.5528A.747.747 0 01.2192 8.494zM9.7822 5.5063A.753.753 0 018.72 5.508L4.9956 1.8077 1.2833 5.52a.753.753 0 01-1.0624.0018.747.747 0 01-.0017-1.059L4.4618.2202A.753.753 0 015.5242.2185l4.2563 4.2289a.747.747 0 01.0017 1.0589z" clip-rule="evenodd"/></svg>

src/@types/global.d.ts

@@ -49,6 +49,8 @@ import PerformanceMonitor from "../performance";
 import UIStore from "../stores/UIStore";
 import { SetupEncryptionStore } from "../stores/SetupEncryptionStore";
 import { RoomScrollStateStore } from "../stores/RoomScrollStateStore";
+import { ConsoleLogger, IndexedDBLogStore } from "../rageshake/rageshake";
+import ActiveWidgetStore from "../stores/ActiveWidgetStore";
 
 /* eslint-disable @typescript-eslint/naming-convention */
 
@@ -92,6 +94,7 @@ declare global {
         mxUIStore: UIStore;
         mxSetupEncryptionStore?: SetupEncryptionStore;
         mxRoomScrollStateStore?: RoomScrollStateStore;
+        mxActiveWidgetStore?: ActiveWidgetStore;
         mxOnRecaptchaLoaded?: () => void;
         electron?: Electron;
     }
@@ -223,6 +226,15 @@ declare global {
               ) => string;
               isReady: () => boolean;
           };
+
+    // eslint-disable-next-line no-var, camelcase
+    var mx_rage_logger: ConsoleLogger;
+    // eslint-disable-next-line no-var, camelcase
+    var mx_rage_initPromise: Promise<void>;
+    // eslint-disable-next-line no-var, camelcase
+    var mx_rage_initStoragePromise: Promise<void>;
+    // eslint-disable-next-line no-var, camelcase
+    var mx_rage_store: IndexedDBLogStore;
 }
 
 /* eslint-enable @typescript-eslint/naming-convention */

src/Lifecycle.ts

@@ -786,7 +786,7 @@ async function startMatrixClient(startSyncing = true): Promise<void> {
     UserActivity.sharedInstance().start();
     DMRoomMap.makeShared().start();
     IntegrationManagers.sharedInstance().startWatching();
-    ActiveWidgetStore.start();
+    ActiveWidgetStore.instance.start();
     CallHandler.sharedInstance().start();
 
     // Start Mjolnir even though we haven't checked the feature flag yet. Starting
@@ -892,7 +892,7 @@ export function stopMatrixClient(unsetClient = true): void {
     UserActivity.sharedInstance().stop();
     TypingStore.sharedInstance().reset();
     Presence.stop();
-    ActiveWidgetStore.stop();
+    ActiveWidgetStore.instance.stop();
     IntegrationManagers.sharedInstance().stopWatching();
     Mjolnir.sharedInstance().stop();
     DeviceListener.sharedInstance().stop();

src/components/structures/ContextMenu.tsx

@@ -45,7 +45,7 @@ function getOrCreateContainer(): HTMLDivElement {
 
 const ARIA_MENU_ITEM_ROLES = new Set(["menuitem", "menuitemcheckbox", "menuitemradio"]);
 
-interface IPosition {
+export interface IPosition {
     top?: number;
     bottom?: number;
     left?: number;
@@ -430,7 +430,11 @@ export type AboveLeftOf = IPosition & {
 
 // Placement method for <ContextMenu /> to position context menu right-aligned and flowing to the left of elementRect,
 // and either above or below: wherever there is more space (maybe this should be aboveOrBelowLeftOf?)
-export const aboveLeftOf = (elementRect: DOMRect, chevronFace = ChevronFace.None, vPadding = 0): AboveLeftOf => {
+export const aboveLeftOf = (
+    elementRect: DOMRect,
+    chevronFace = ChevronFace.None,
+    vPadding = 0,
+): AboveLeftOf => {
     const menuOptions: IPosition & { chevronFace: ChevronFace } = { chevronFace };
 
     const buttonRight = elementRect.right + window.pageXOffset;

src/components/structures/RightPanel.tsx

@@ -18,7 +18,6 @@ limitations under the License.
 import React from 'react';
 import { Room } from "matrix-js-sdk/src/models/room";
 import { RoomState } from "matrix-js-sdk/src/models/room-state";
-import { User } from "matrix-js-sdk/src/models/user";
 import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { VerificationRequest } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
@@ -59,7 +58,7 @@ import { SetRightPanelPhasePayload } from '../../dispatcher/payloads/SetRightPan
 interface IProps {
     room?: Room; // if showing panels for a given room, this is set
     groupId?: string; // if showing panels for a given group, this is set
-    user?: User; // used if we know the user ahead of opening the panel
+    member?: RoomMember; // used if we know the room member ahead of opening the panel
     resizeNotifier: ResizeNotifier;
     permalinkCreator?: RoomPermalinkCreator;
     e2eStatus?: E2EStatus;
@@ -100,10 +99,10 @@ export default class RightPanel extends React.Component<IProps, IState> {
 
     // Helper function to split out the logic for getPhaseFromProps() and the constructor
     // as both are called at the same time in the constructor.
-    private getUserForPanel() {
+    private getUserForPanel(): RoomMember {
         if (this.state && this.state.member) return this.state.member;
         const lastParams = RightPanelStore.getSharedInstance().roomPanelPhaseParams;
-        return this.props.user || lastParams['member'];
+        return this.props.member || lastParams['member'];
     }
 
     // gets the current phase from the props and also maybe the store
@@ -225,7 +224,7 @@ export default class RightPanel extends React.Component<IProps, IState> {
         // XXX: There are three different ways of 'closing' this panel depending on what state
         // things are in... this knows far more than it should do about the state of the rest
         // of the app and is generally a bit silly.
-        if (this.props.user) {
+        if (this.props.member) {
             // If we have a user prop then we're displaying a user from the 'user' page type
             // in LoggedInView, so need to change the page type to close the panel (we switch
             // to the home page which is not obviously the correct thing to do, but I'm not sure

src/components/structures/RoomView.tsx

@@ -78,7 +78,6 @@ import { objectHasDiff } from "../../utils/objects";
 import SpaceRoomView from "./SpaceRoomView";
 import { IOpts } from "../../createRoom";
 import { replaceableComponent } from "../../utils/replaceableComponent";
-import UIStore from "../../stores/UIStore";
 import EditorStateTransfer from "../../utils/EditorStateTransfer";
 import { throttle } from "lodash";
 import ErrorDialog from '../views/dialogs/ErrorDialog';
@@ -158,7 +157,6 @@ export interface IState {
     // used by componentDidUpdate to avoid unnecessary checks
     atEndOfLiveTimelineInit: boolean;
     showTopUnreadMessagesBar: boolean;
-    auxPanelMaxHeight?: number;
     statusBarVisible: boolean;
     // We load this later by asking the js-sdk to suggest a version for us.
     // This object is the result of Room#getRecommendedVersion()
@@ -565,10 +563,6 @@ export default class RoomView extends React.Component<IProps, IState> {
         });
 
         window.addEventListener('beforeunload', this.onPageUnload);
-        if (this.props.resizeNotifier) {
-            this.props.resizeNotifier.on("middlePanelResized", this.onResize);
-        }
-        this.onResize();
     }
 
     shouldComponentUpdate(nextProps, nextState) {
@@ -656,9 +650,6 @@ export default class RoomView extends React.Component<IProps, IState> {
         }
 
         window.removeEventListener('beforeunload', this.onPageUnload);
-        if (this.props.resizeNotifier) {
-            this.props.resizeNotifier.removeListener("middlePanelResized", this.onResize);
-        }
 
         // Remove RoomStore listener
         if (this.roomStoreToken) {
@@ -1619,28 +1610,6 @@ export default class RoomView extends React.Component<IProps, IState> {
         };
     }
 
-    private onResize = () => {
-        // It seems flexbox doesn't give us a way to constrain the auxPanel height to have
-        // a minimum of the height of the video element, whilst also capping it from pushing out the page
-        // so we have to do it via JS instead.  In this implementation we cap the height by putting
-        // a maxHeight on the underlying remote video tag.
-
-        // header + footer + status + give us at least 120px of scrollback at all times.
-        let auxPanelMaxHeight = UIStore.instance.windowHeight -
-                (54 + // height of RoomHeader
-                 36 + // height of the status area
-                 51 + // minimum height of the message composer
-                 120); // amount of desired scrollback
-
-        // XXX: this is a bit of a hack and might possibly cause the video to push out the page anyway
-        // but it's better than the video going missing entirely
-        if (auxPanelMaxHeight < 50) auxPanelMaxHeight = 50;
-
-        if (this.state.auxPanelMaxHeight !== auxPanelMaxHeight) {
-            this.setState({ auxPanelMaxHeight });
-        }
-    };
-
     private onStatusBarVisible = () => {
         if (this.unmounted || this.state.statusBarVisible) return;
         this.setState({ statusBarVisible: true });
@@ -1941,11 +1910,8 @@ export default class RoomView extends React.Component<IProps, IState> {
         const auxPanel = (
             <AuxPanel
                 room={this.state.room}
-                fullHeight={false}
                 userId={this.context.credentials.userId}
-                maxHeight={this.state.auxPanelMaxHeight}
                 showApps={this.state.showApps}
-                onResize={this.onResize}
                 resizeNotifier={this.props.resizeNotifier}
             >
                 { aux }

src/components/structures/UserView.tsx

@@ -86,8 +86,8 @@ export default class UserView extends React.Component<IProps, IState> {
     public render(): JSX.Element {
         if (this.state.loading) {
             return <Spinner />;
-        } else if (this.state.member?.user) {
-            const panel = <RightPanel user={this.state.member.user} resizeNotifier={this.props.resizeNotifier} />;
+        } else if (this.state.member) {
+            const panel = <RightPanel member={this.state.member} resizeNotifier={this.props.resizeNotifier} />;
             return (<MainSplit panel={panel} resizeNotifier={this.props.resizeNotifier}>
                 <HomePage />
             </MainSplit>);

src/components/views/context_menus/MessageContextMenu.tsx

@@ -38,6 +38,7 @@ import ConfirmRedactDialog from '../dialogs/ConfirmRedactDialog';
 import ErrorDialog from '../dialogs/ErrorDialog';
 import ShareDialog from '../dialogs/ShareDialog';
 import { RoomPermalinkCreator } from "../../../utils/permalinks/Permalinks";
+import { IPosition, ChevronFace } from '../../structures/ContextMenu';
 
 export function canCancel(eventStatus: EventStatus): boolean {
     return eventStatus === EventStatus.QUEUED || eventStatus === EventStatus.NOT_SENT;
@@ -52,7 +53,8 @@ export interface IOperableEventTile {
     getEventTileOps(): IEventTileOps;
 }
 
-interface IProps {
+interface IProps extends IPosition {
+    chevronFace: ChevronFace;
     /* the MatrixEvent associated with the context menu */
     mxEvent: MatrixEvent;
     /* an optional EventTileOps implementation that can be used to unhide preview widgets */

src/components/views/dialogs/LeaveSpaceDialog.tsx

@@ -131,8 +131,13 @@ interface IProps {
 }
 
 const isOnlyAdmin = (room: Room): boolean => {
-    return !room.getJoinedMembers().some(member => {
-        return member.userId !== room.client.credentials.userId && member.powerLevelNorm === 100;
+    const userId = room.client.getUserId();
+    if (room.getMember(userId).powerLevelNorm !== 100) {
+        return false; // user is not an admin
+    }
+    return room.getJoinedMembers().every(member => {
+        // return true if every other member has a lower power level (we are highest)
+        return member.userId === userId || member.powerLevelNorm < 100;
     });
 };
 

src/components/views/elements/AppTile.tsx

@@ -163,7 +163,7 @@ export default class AppTile extends React.Component<IProps, IState> {
 
         if (this.state.hasPermissionToLoad && !hasPermissionToLoad) {
             // Force the widget to be non-persistent (able to be deleted/forgotten)
-            ActiveWidgetStore.destroyPersistentWidget(this.props.app.id);
+            ActiveWidgetStore.instance.destroyPersistentWidget(this.props.app.id);
             PersistedElement.destroyElement(this.persistKey);
             if (this.sgWidget) this.sgWidget.stop();
         }
@@ -198,8 +198,8 @@ export default class AppTile extends React.Component<IProps, IState> {
         if (this.dispatcherRef) dis.unregister(this.dispatcherRef);
 
         // if it's not remaining on screen, get rid of the PersistedElement container
-        if (!ActiveWidgetStore.getWidgetPersistence(this.props.app.id)) {
-            ActiveWidgetStore.destroyPersistentWidget(this.props.app.id);
+        if (!ActiveWidgetStore.instance.getWidgetPersistence(this.props.app.id)) {
+            ActiveWidgetStore.instance.destroyPersistentWidget(this.props.app.id);
             PersistedElement.destroyElement(this.persistKey);
         }
 
@@ -282,7 +282,7 @@ export default class AppTile extends React.Component<IProps, IState> {
 
         // Delete the widget from the persisted store for good measure.
         PersistedElement.destroyElement(this.persistKey);
-        ActiveWidgetStore.destroyPersistentWidget(this.props.app.id);
+        ActiveWidgetStore.instance.destroyPersistentWidget(this.props.app.id);
 
         if (this.sgWidget) this.sgWidget.stop({ forceDestroy: true });
     }

src/components/views/elements/PersistentApp.tsx

@@ -17,7 +17,7 @@ limitations under the License.
 
 import React from 'react';
 import RoomViewStore from '../../../stores/RoomViewStore';
-import ActiveWidgetStore from '../../../stores/ActiveWidgetStore';
+import ActiveWidgetStore, { ActiveWidgetStoreEvent } from '../../../stores/ActiveWidgetStore';
 import WidgetUtils from '../../../utils/WidgetUtils';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
@@ -39,13 +39,13 @@ export default class PersistentApp extends React.Component<{}, IState> {
 
         this.state = {
             roomId: RoomViewStore.getRoomId(),
-            persistentWidgetId: ActiveWidgetStore.getPersistentWidgetId(),
+            persistentWidgetId: ActiveWidgetStore.instance.getPersistentWidgetId(),
         };
     }
 
     public componentDidMount(): void {
         this.roomStoreToken = RoomViewStore.addListener(this.onRoomViewStoreUpdate);
-        ActiveWidgetStore.on('update', this.onActiveWidgetStoreUpdate);
+        ActiveWidgetStore.instance.on(ActiveWidgetStoreEvent.Update, this.onActiveWidgetStoreUpdate);
         MatrixClientPeg.get().on("Room.myMembership", this.onMyMembership);
     }
 
@@ -53,7 +53,7 @@ export default class PersistentApp extends React.Component<{}, IState> {
         if (this.roomStoreToken) {
             this.roomStoreToken.remove();
         }
-        ActiveWidgetStore.removeListener('update', this.onActiveWidgetStoreUpdate);
+        ActiveWidgetStore.instance.removeListener(ActiveWidgetStoreEvent.Update, this.onActiveWidgetStoreUpdate);
         if (MatrixClientPeg.get()) {
             MatrixClientPeg.get().removeListener("Room.myMembership", this.onMyMembership);
         }
@@ -68,23 +68,23 @@ export default class PersistentApp extends React.Component<{}, IState> {
 
     private onActiveWidgetStoreUpdate = (): void => {
         this.setState({
-            persistentWidgetId: ActiveWidgetStore.getPersistentWidgetId(),
+            persistentWidgetId: ActiveWidgetStore.instance.getPersistentWidgetId(),
         });
     };
 
     private onMyMembership = async (room: Room, membership: string): Promise<void> => {
-        const persistentWidgetInRoomId = ActiveWidgetStore.getRoomId(this.state.persistentWidgetId);
+        const persistentWidgetInRoomId = ActiveWidgetStore.instance.getRoomId(this.state.persistentWidgetId);
         if (membership !== "join") {
             // we're not in the room anymore - delete
             if (room .roomId === persistentWidgetInRoomId) {
-                ActiveWidgetStore.destroyPersistentWidget(this.state.persistentWidgetId);
+                ActiveWidgetStore.instance.destroyPersistentWidget(this.state.persistentWidgetId);
             }
         }
     };
 
     public render(): JSX.Element {
         if (this.state.persistentWidgetId) {
-            const persistentWidgetInRoomId = ActiveWidgetStore.getRoomId(this.state.persistentWidgetId);
+            const persistentWidgetInRoomId = ActiveWidgetStore.instance.getRoomId(this.state.persistentWidgetId);
 
             const persistentWidgetInRoom = MatrixClientPeg.get().getRoom(persistentWidgetInRoomId);
 
@@ -96,7 +96,7 @@ export default class PersistentApp extends React.Component<{}, IState> {
             if (this.state.roomId !== persistentWidgetInRoomId && myMembership === "join") {
                 // get the widget data
                 const appEvent = WidgetUtils.getRoomWidgets(persistentWidgetInRoom).find((ev) => {
-                    return ev.getStateKey() === ActiveWidgetStore.getPersistentWidgetId();
+                    return ev.getStateKey() === ActiveWidgetStore.instance.getPersistentWidgetId();
                 });
                 const app = WidgetUtils.makeAppConfig(
                     appEvent.getStateKey(), appEvent.getContent(), appEvent.getSender(),

src/components/views/elements/ReplyThread.tsx

@@ -16,6 +16,8 @@ limitations under the License.
 */
 
 import React from 'react';
+import classNames from 'classnames';
+
 import { _t } from '../../../languageHandler';
 import dis from '../../../dispatcher/dispatcher';
 import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
@@ -35,6 +37,12 @@ import ReplyTile from "../rooms/ReplyTile";
 import Pill from './Pill';
 import { Room } from 'matrix-js-sdk/src/models/room';
 
+/**
+ * This number is based on the previous behavior - if we have message of height
+ * over 60px then we want to show button that will allow to expand it.
+ */
+const SHOW_EXPAND_QUOTE_PIXELS = 60;
+
 interface IProps {
     // the latest event in this chain of replies
     parentEv?: MatrixEvent;
@@ -45,6 +53,8 @@ interface IProps {
     layout?: Layout;
     // Whether to always show a timestamp
     alwaysShowTimestamps?: boolean;
+    isQuoteExpanded?: boolean;
+    setQuoteExpanded: (isExpanded: boolean) => void;
 }
 
 interface IState {
@@ -66,6 +76,7 @@ export default class ReplyThread extends React.Component<IProps, IState> {
     static contextType = MatrixClientContext;
     private unmounted = false;
     private room: Room;
+    private blockquoteRef = React.createRef<HTMLElement>();
 
     constructor(props, context) {
         super(props, context);
@@ -80,7 +91,7 @@ export default class ReplyThread extends React.Component<IProps, IState> {
         this.room = this.context.getRoom(this.props.parentEv.getRoomId());
     }
 
-    public static getParentEventId(ev: MatrixEvent): string {
+    public static getParentEventId(ev: MatrixEvent): string | undefined {
         if (!ev || ev.isRedacted()) return;
 
         // XXX: For newer relations (annotations, replacements, etc.), we now
@@ -137,7 +148,7 @@ export default class ReplyThread extends React.Component<IProps, IState> {
     public static getNestedReplyText(
         ev: MatrixEvent,
         permalinkCreator: RoomPermalinkCreator,
-    ): { body: string, html: string } {
+    ): { body: string, html: string } | null {
         if (!ev) return null;
 
         let { body, formatted_body: html } = ev.getContent();
@@ -237,37 +248,38 @@ export default class ReplyThread extends React.Component<IProps, IState> {
         return replyMixin;
     }
 
-    public static makeThread(
-        parentEv: MatrixEvent,
-        onHeightChanged: () => void,
-        permalinkCreator: RoomPermalinkCreator,
-        ref: React.RefObject<ReplyThread>,
-        layout: Layout,
-        alwaysShowTimestamps: boolean,
-    ): JSX.Element {
-        if (!ReplyThread.getParentEventId(parentEv)) return null;
-        return <ReplyThread
-            parentEv={parentEv}
-            onHeightChanged={onHeightChanged}
-            ref={ref}
-            permalinkCreator={permalinkCreator}
-            layout={layout}
-            alwaysShowTimestamps={alwaysShowTimestamps}
-        />;
+    public static hasThreadReply(event: MatrixEvent) {
+        return Boolean(ReplyThread.getParentEventId(event));
     }
 
     componentDidMount() {
         this.initialize();
+        this.trySetExpandableQuotes();
     }
 
     componentDidUpdate() {
         this.props.onHeightChanged();
+        this.trySetExpandableQuotes();
     }
 
     componentWillUnmount() {
         this.unmounted = true;
     }
 
+    private trySetExpandableQuotes() {
+        if (this.props.isQuoteExpanded === undefined && this.blockquoteRef.current) {
+            const el: HTMLElement | null = this.blockquoteRef.current.querySelector('.mx_EventTile_body');
+            if (el) {
+                const code: HTMLElement | null = el.querySelector('code');
+                const isCodeEllipsisShown = code ? code.offsetHeight >= SHOW_EXPAND_QUOTE_PIXELS : false;
+                const isElipsisShown = el.offsetHeight >= SHOW_EXPAND_QUOTE_PIXELS || isCodeEllipsisShown;
+                if (isElipsisShown) {
+                    this.props.setQuoteExpanded(false);
+                }
+            }
+        }
+    }
+
     private async initialize(): Promise<void> {
         const { parentEv } = this.props;
         // at time of making this component we checked that props.parentEv has a parentEventId
@@ -321,7 +333,7 @@ export default class ReplyThread extends React.Component<IProps, IState> {
         this.initialize();
     };
 
-    private onQuoteClick = async (): Promise<void> => {
+    private onQuoteClick = async (event: React.MouseEvent<HTMLAnchorElement, MouseEvent>): Promise<void> => {
         const events = [this.state.loadedEv, ...this.state.events];
 
         let loadedEv = null;
@@ -373,14 +385,26 @@ export default class ReplyThread extends React.Component<IProps, IState> {
             header = <Spinner w={16} h={16} />;
         }
 
+        const { isQuoteExpanded } = this.props;
         const evTiles = this.state.events.map((ev) => {
-            return <blockquote className={`mx_ReplyThread ${this.getReplyThreadColorClass(ev)}`} key={ev.getId()}>
-                <ReplyTile
-                    mxEvent={ev}
-                    onHeightChanged={this.props.onHeightChanged}
-                    permalinkCreator={this.props.permalinkCreator}
-                />
-            </blockquote>;
+            const classname = classNames({
+                'mx_ReplyThread': true,
+                [this.getReplyThreadColorClass(ev)]: true,
+                // We don't want to add the class if it's undefined, it should only be expanded/collapsed when it's true/false
+                'mx_ReplyThread--expanded': isQuoteExpanded === true,
+                // We don't want to add the class if it's undefined, it should only be expanded/collapsed when it's true/false
+                'mx_ReplyThread--collapsed': isQuoteExpanded === false,
+            });
+            return (
+                <blockquote ref={this.blockquoteRef} className={classname} key={ev.getId()}>
+                    <ReplyTile
+                        mxEvent={ev}
+                        onHeightChanged={this.props.onHeightChanged}
+                        permalinkCreator={this.props.permalinkCreator}
+                        toggleExpandedQuote={() => this.props.setQuoteExpanded(!this.props.isQuoteExpanded)}
+                    />
+                </blockquote>
+            );
         });
 
         return <div className="mx_ReplyThread_wrapper">

src/components/views/messages/EditHistoryMessage.tsx

@@ -15,107 +15,112 @@ limitations under the License.
 */
 
 import React, { createRef } from 'react';
-import PropTypes from 'prop-types';
 import * as HtmlUtils from '../../../HtmlUtils';
 import { editBodyDiffToHtml } from '../../../utils/MessageDiffUtils';
 import { formatTime } from '../../../DateUtils';
-import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
+import { EventStatus, MatrixEvent } from 'matrix-js-sdk/src/models/event';
 import { pillifyLinks, unmountPills } from '../../../utils/pillify';
 import { _t } from '../../../languageHandler';
-import * as sdk from '../../../index';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import Modal from '../../../Modal';
 import classNames from 'classnames';
 import RedactedBody from "./RedactedBody";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import AccessibleButton from "../elements/AccessibleButton";
+import ConfirmAndWaitRedactDialog from "../dialogs/ConfirmAndWaitRedactDialog";
+import ViewSource from "../../structures/ViewSource";
 
 function getReplacedContent(event) {
     const originalContent = event.getOriginalContent();
     return originalContent["m.new_content"] || originalContent;
 }
 
-@replaceableComponent("views.messages.EditHistoryMessage")
-export default class EditHistoryMessage extends React.PureComponent {
-    static propTypes = {
-        // the message event being edited
-        mxEvent: PropTypes.instanceOf(MatrixEvent).isRequired,
-        previousEdit: PropTypes.instanceOf(MatrixEvent),
-        isBaseEvent: PropTypes.bool,
-    };
+interface IProps {
+    // the message event being edited
+    mxEvent: MatrixEvent;
+    previousEdit?: MatrixEvent;
+    isBaseEvent?: boolean;
+    isTwelveHour?: boolean;
+}
 
-    constructor(props) {
+interface IState {
+    canRedact: boolean;
+    sendStatus: EventStatus;
+}
+
+@replaceableComponent("views.messages.EditHistoryMessage")
+export default class EditHistoryMessage extends React.PureComponent<IProps, IState> {
+    private content = createRef<HTMLDivElement>();
+    private pills: Element[] = [];
+
+    constructor(props: IProps) {
         super(props);
+
         const cli = MatrixClientPeg.get();
         const { userId } = cli.credentials;
         const event = this.props.mxEvent;
         const room = cli.getRoom(event.getRoomId());
         if (event.localRedactionEvent()) {
-            event.localRedactionEvent().on("status", this._onAssociatedStatusChanged);
+            event.localRedactionEvent().on("status", this.onAssociatedStatusChanged);
         }
         const canRedact = room.currentState.maySendRedactionForEvent(event, userId);
         this.state = { canRedact, sendStatus: event.getAssociatedStatus() };
-
-        this._content = createRef();
-        this._pills = [];
     }
 
-    _onAssociatedStatusChanged = () => {
+    private onAssociatedStatusChanged = (): void => {
         this.setState({ sendStatus: this.props.mxEvent.getAssociatedStatus() });
     };
 
-    _onRedactClick = async () => {
+    private onRedactClick = async (): Promise<void> => {
         const event = this.props.mxEvent;
         const cli = MatrixClientPeg.get();
-        const ConfirmAndWaitRedactDialog = sdk.getComponent("dialogs.ConfirmAndWaitRedactDialog");
 
         Modal.createTrackedDialog('Confirm Redact Dialog', 'Edit history', ConfirmAndWaitRedactDialog, {
             redact: () => cli.redactEvent(event.getRoomId(), event.getId()),
         }, 'mx_Dialog_confirmredact');
     };
 
-    _onViewSourceClick = () => {
-        const ViewSource = sdk.getComponent('structures.ViewSource');
+    private onViewSourceClick = (): void => {
         Modal.createTrackedDialog('View Event Source', 'Edit history', ViewSource, {
             mxEvent: this.props.mxEvent,
         }, 'mx_Dialog_viewsource');
     };
 
-    pillifyLinks() {
+    private pillifyLinks(): void {
         // not present for redacted events
-        if (this._content.current) {
-            pillifyLinks(this._content.current.children, this.props.mxEvent, this._pills);
+        if (this.content.current) {
+            pillifyLinks(this.content.current.children, this.props.mxEvent, this.pills);
         }
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
         this.pillifyLinks();
     }
 
-    componentWillUnmount() {
-        unmountPills(this._pills);
+    public componentWillUnmount(): void {
+        unmountPills(this.pills);
         const event = this.props.mxEvent;
         if (event.localRedactionEvent()) {
-            event.localRedactionEvent().off("status", this._onAssociatedStatusChanged);
+            event.localRedactionEvent().off("status", this.onAssociatedStatusChanged);
         }
     }
 
-    componentDidUpdate() {
+    public componentDidUpdate(): void {
         this.pillifyLinks();
     }
 
-    _renderActionBar() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+    private renderActionBar(): JSX.Element {
         // hide the button when already redacted
         let redactButton;
         if (!this.props.mxEvent.isRedacted() && !this.props.isBaseEvent && this.state.canRedact) {
             redactButton = (
-                <AccessibleButton onClick={this._onRedactClick}>
+                <AccessibleButton onClick={this.onRedactClick}>
                     { _t("Remove") }
                 </AccessibleButton>
             );
         }
         const viewSourceButton = (
-            <AccessibleButton onClick={this._onViewSourceClick}>
+            <AccessibleButton onClick={this.onViewSourceClick}>
                 { _t("View Source") }
             </AccessibleButton>
         );
@@ -128,7 +133,7 @@ export default class EditHistoryMessage extends React.PureComponent {
         );
     }
 
-    render() {
+    public render(): JSX.Element {
         const { mxEvent } = this.props;
         const content = getReplacedContent(mxEvent);
         let contentContainer;
@@ -139,18 +144,22 @@ export default class EditHistoryMessage extends React.PureComponent {
             if (this.props.previousEdit) {
                 contentElements = editBodyDiffToHtml(getReplacedContent(this.props.previousEdit), content);
             } else {
-                contentElements = HtmlUtils.bodyToHtml(content, null, { stripReplyFallback: true });
+                contentElements = HtmlUtils.bodyToHtml(
+                    content,
+                    null,
+                    { stripReplyFallback: true, returnString: false },
+                );
             }
             if (mxEvent.getContent().msgtype === "m.emote") {
                 const name = mxEvent.sender ? mxEvent.sender.name : mxEvent.getSender();
                 contentContainer = (
-                    <div className="mx_EventTile_content" ref={this._content}>*&nbsp;
+                    <div className="mx_EventTile_content" ref={this.content}>*&nbsp;
                         <span className="mx_MEmoteBody_sender">{ name }</span>
                         &nbsp;{ contentElements }
                     </div>
                 );
             } else {
-                contentContainer = <div className="mx_EventTile_content" ref={this._content}>{ contentElements }</div>;
+                contentContainer = <div className="mx_EventTile_content" ref={this.content}>{ contentElements }</div>;
             }
         }
 
@@ -167,7 +176,7 @@ export default class EditHistoryMessage extends React.PureComponent {
                     <div className="mx_EventTile_line">
                         <span className="mx_MessageTimestamp">{ timestamp }</span>
                         { contentContainer }
-                        { this._renderActionBar() }
+                        { this.renderActionBar() }
                     </div>
                 </div>
             </li>

src/components/views/messages/MKeyVerificationConclusion.tsx

@@ -16,44 +16,50 @@ limitations under the License.
 
 import React from 'react';
 import classNames from 'classnames';
-import PropTypes from 'prop-types';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import { _t } from '../../../languageHandler';
-import { getNameForEventRoom, userLabelForEventRoom }
-    from '../../../utils/KeyVerificationStateObserver';
+import { getNameForEventRoom, userLabelForEventRoom } from '../../../utils/KeyVerificationStateObserver';
 import EventTileBubble from "./EventTileBubble";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+import { VerificationRequest } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
+import { EventType } from "matrix-js-sdk/src/@types/event";
+
+interface IProps {
+    /* the MatrixEvent to show */
+    mxEvent: MatrixEvent;
+}
 
 @replaceableComponent("views.messages.MKeyVerificationConclusion")
-export default class MKeyVerificationConclusion extends React.Component {
-    constructor(props) {
+export default class MKeyVerificationConclusion extends React.Component<IProps> {
+    constructor(props: IProps) {
         super(props);
     }
 
-    componentDidMount() {
+    public componentDidMount(): void {
         const request = this.props.mxEvent.verificationRequest;
         if (request) {
-            request.on("change", this._onRequestChanged);
+            request.on("change", this.onRequestChanged);
         }
-        MatrixClientPeg.get().on("userTrustStatusChanged", this._onTrustChanged);
+        MatrixClientPeg.get().on("userTrustStatusChanged", this.onTrustChanged);
     }
 
-    componentWillUnmount() {
+    public componentWillUnmount(): void {
         const request = this.props.mxEvent.verificationRequest;
         if (request) {
-            request.off("change", this._onRequestChanged);
+            request.off("change", this.onRequestChanged);
         }
         const cli = MatrixClientPeg.get();
         if (cli) {
-            cli.removeListener("userTrustStatusChanged", this._onTrustChanged);
+            cli.removeListener("userTrustStatusChanged", this.onTrustChanged);
         }
     }
 
-    _onRequestChanged = () => {
+    private onRequestChanged = (): void => {
         this.forceUpdate();
     };
 
-    _onTrustChanged = (userId, status) => {
+    private onTrustChanged = (userId: string): void => {
         const { mxEvent } = this.props;
         const request = mxEvent.verificationRequest;
         if (!request || request.otherUserId !== userId) {
@@ -62,17 +68,17 @@ export default class MKeyVerificationConclusion extends React.Component {
         this.forceUpdate();
     };
 
-    _shouldRender(mxEvent, request) {
+    public static shouldRender(mxEvent: MatrixEvent, request: VerificationRequest): boolean {
         // normally should not happen
         if (!request) {
             return false;
         }
         // .cancel event that was sent after the verification finished, ignore
-        if (mxEvent.getType() === "m.key.verification.cancel" && !request.cancelled) {
+        if (mxEvent.getType() === EventType.KeyVerificationCancel && !request.cancelled) {
             return false;
         }
         // .done event that was sent after the verification cancelled, ignore
-        if (mxEvent.getType() === "m.key.verification.done" && !request.done) {
+        if (mxEvent.getType() === EventType.KeyVerificationDone && !request.done) {
             return false;
         }
 
@@ -89,11 +95,11 @@ export default class MKeyVerificationConclusion extends React.Component {
         return true;
     }
 
-    render() {
+    public render(): JSX.Element {
         const { mxEvent } = this.props;
         const request = mxEvent.verificationRequest;
 
-        if (!this._shouldRender(mxEvent, request)) {
+        if (!MKeyVerificationConclusion.shouldRender(mxEvent, request)) {
             return null;
         }
 
@@ -103,15 +109,18 @@ export default class MKeyVerificationConclusion extends React.Component {
         let title;
 
         if (request.done) {
-            title = _t("You verified %(name)s", { name: getNameForEventRoom(request.otherUserId, mxEvent) });
+            title = _t(
+                "You verified %(name)s",
+                { name: getNameForEventRoom(request.otherUserId, mxEvent.getRoomId()) },
+            );
         } else if (request.cancelled) {
             const userId = request.cancellingUserId;
             if (userId === myUserId) {
                 title = _t("You cancelled verifying %(name)s",
-                    { name: getNameForEventRoom(request.otherUserId, mxEvent) });
+                    { name: getNameForEventRoom(request.otherUserId, mxEvent.getRoomId()) });
             } else {
                 title = _t("%(name)s cancelled verifying",
-                    { name: getNameForEventRoom(userId, mxEvent) });
+                    { name: getNameForEventRoom(userId, mxEvent.getRoomId()) });
             }
         }
 
@@ -129,8 +138,3 @@ export default class MKeyVerificationConclusion extends React.Component {
         return null;
     }
 }
-
-MKeyVerificationConclusion.propTypes = {
-    /* the MatrixEvent to show */
-    mxEvent: PropTypes.object.isRequired,
-};

src/components/views/messages/MessageActionBar.tsx

@@ -17,7 +17,8 @@ limitations under the License.
 */
 
 import React, { useEffect } from 'react';
-import { MatrixEvent, EventStatus } from 'matrix-js-sdk/src/models/event';
+import { EventStatus, MatrixEvent } from 'matrix-js-sdk/src/models/event';
+import type { Relations } from 'matrix-js-sdk/src/models/relations';
 
 import { _t } from '../../../languageHandler';
 import * as sdk from '../../../index';
@@ -35,13 +36,17 @@ import Resend from "../../../Resend";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 import { MediaEventHelper } from "../../../utils/MediaEventHelper";
 import DownloadActionButton from "./DownloadActionButton";
+import MessageContextMenu from "../context_menus/MessageContextMenu";
+import classNames from 'classnames';
+
 import SettingsStore from '../../../settings/SettingsStore';
 import { RoomPermalinkCreator } from '../../../utils/permalinks/Permalinks';
 import ReplyThread from '../elements/ReplyThread';
 
 interface IOptionsButtonProps {
     mxEvent: MatrixEvent;
-    getTile: () => any; // TODO: FIXME, haven't figured out what the return type is here
+    // TODO: Types
+    getTile: () => any | null;
     getReplyThread: () => ReplyThread;
     permalinkCreator: RoomPermalinkCreator;
     onFocusChange: (menuDisplayed: boolean) => void;
@@ -57,8 +62,6 @@ const OptionsButton: React.FC<IOptionsButtonProps> =
 
         let contextMenu;
         if (menuDisplayed) {
-            const MessageContextMenu = sdk.getComponent('context_menus.MessageContextMenu');
-
             const tile = getTile && getTile();
             const replyThread = getReplyThread && getReplyThread();
 
@@ -90,7 +93,7 @@ const OptionsButton: React.FC<IOptionsButtonProps> =
 
 interface IReactButtonProps {
     mxEvent: MatrixEvent;
-    reactions: any; // TODO: types
+    reactions: Relations;
     onFocusChange: (menuDisplayed: boolean) => void;
 }
 
@@ -127,12 +130,15 @@ const ReactButton: React.FC<IReactButtonProps> = ({ mxEvent, reactions, onFocusC
 
 interface IMessageActionBarProps {
     mxEvent: MatrixEvent;
-    // The Relations model from the JS SDK for reactions to `mxEvent`
-    reactions?: any;  // TODO: types
+    reactions?: Relations;
+    // TODO: Types
+    getTile: () => any | null;
+    getReplyThread: () => ReplyThread | undefined;
     permalinkCreator?: RoomPermalinkCreator;
     getTile: () => any; // TODO: FIXME, haven't figured out what the return type is here
     getReplyThread?: () => ReplyThread;
     onFocusChange?: (menuDisplayed: boolean) => void;
+    toggleThreadExpanded: () => void;
     isInThreadTimeline?: boolean;
 }
 
@@ -329,6 +335,20 @@ export default class MessageActionBar extends React.PureComponent<IMessageAction
                 toolbarOpts.push(cancelSendingButton);
             }
 
+            if (this.props.isQuoteExpanded !== undefined && ReplyThread.hasThreadReply(this.props.mxEvent)) {
+                const expandClassName = classNames({
+                    'mx_MessageActionBar_maskButton': true,
+                    'mx_MessageActionBar_expandMessageButton': !this.props.isQuoteExpanded,
+                    'mx_MessageActionBar_collapseMessageButton': this.props.isQuoteExpanded,
+                });
+                toolbarOpts.push(<RovingAccessibleTooltipButton
+                    className={expandClassName}
+                    title={this.props.isQuoteExpanded ? _t("Collapse quotes │ ⇧+click") : _t("Expand quotes │ ⇧+click")}
+                    onClick={this.props.toggleThreadExpanded}
+                    key="expand"
+                />);
+            }
+
             // The menu button should be last, so dump it there.
             toolbarOpts.push(<OptionsButton
                 mxEvent={this.props.mxEvent}

src/components/views/messages/MjolnirBody.tsx

@@ -15,22 +15,18 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+
+interface IProps {
+    mxEvent: MatrixEvent;
+    onMessageAllowed: () => void;
+}
 
 @replaceableComponent("views.messages.MjolnirBody")
-export default class MjolnirBody extends React.Component {
-    static propTypes = {
-        mxEvent: PropTypes.object.isRequired,
-        onMessageAllowed: PropTypes.func.isRequired,
-    };
-
-    constructor() {
-        super();
-    }
-
-    _onAllowClick = (e) => {
+export default class MjolnirBody extends React.Component<IProps> {
+    private onAllowClick = (e: React.MouseEvent): void => {
         e.preventDefault();
         e.stopPropagation();
 
@@ -39,11 +35,11 @@ export default class MjolnirBody extends React.Component {
         this.props.onMessageAllowed();
     };
 
-    render() {
+    public render(): JSX.Element {
         return (
             <div className='mx_MjolnirBody'><i>{ _t(
                 "You have ignored this user, so their message is hidden. <a>Show anyways.</a>",
-                {}, { a: (sub) => <a href="#" onClick={this._onAllowClick}>{ sub }</a> },
+                {}, { a: (sub) => <a href="#" onClick={this.onAllowClick}>{ sub }</a> },
             ) }</i></div>
         );
     }

src/components/views/messages/RedactedBody.tsx

@@ -16,13 +16,18 @@ limitations under the License.
 
 import React, { useContext } from "react";
 import { MatrixClient } from "matrix-js-sdk/src/client";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { _t } from "../../../languageHandler";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import { formatFullDate } from "../../../DateUtils";
 import SettingsStore from "../../../settings/SettingsStore";
 import { IBodyProps } from "./IBodyProps";
 
-const RedactedBody = React.forwardRef<any, IBodyProps>(({ mxEvent }, ref) => {
+interface IProps {
+    mxEvent: MatrixEvent;
+}
+
+const RedactedBody = React.forwardRef<any, IProps | IBodyProps>(({ mxEvent }, ref) => {
     const cli: MatrixClient = useContext(MatrixClientContext);
 
     let text = _t("Message deleted");

src/components/views/messages/RoomAvatarEvent.tsx

@@ -17,23 +17,24 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import { _t } from '../../../languageHandler';
-import * as sdk from '../../../index';
 import Modal from '../../../Modal';
 import AccessibleButton from '../elements/AccessibleButton';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import { mediaFromMxc } from "../../../customisations/Media";
+import RoomAvatar from "../avatars/RoomAvatar";
+import ImageView from "../elements/ImageView";
+
+interface IProps {
+    /* the MatrixEvent to show */
+    mxEvent: MatrixEvent;
+}
 
 @replaceableComponent("views.messages.RoomAvatarEvent")
-export default class RoomAvatarEvent extends React.Component {
-    static propTypes = {
-        /* the MatrixEvent to show */
-        mxEvent: PropTypes.object.isRequired,
-    };
-
-    onAvatarClick = () => {
+export default class RoomAvatarEvent extends React.Component<IProps> {
+    private onAvatarClick = (): void => {
         const cli = MatrixClientPeg.get();
         const ev = this.props.mxEvent;
         const httpUrl = mediaFromMxc(ev.getContent().url).srcHttp;
@@ -44,7 +45,6 @@ export default class RoomAvatarEvent extends React.Component {
             roomName: room ? room.name : '',
         });
 
-        const ImageView = sdk.getComponent("elements.ImageView");
         const params = {
             src: httpUrl,
             name: text,
@@ -52,10 +52,9 @@ export default class RoomAvatarEvent extends React.Component {
         Modal.createDialog(ImageView, params, "mx_Dialog_lightbox", null, true);
     };
 
-    render() {
+    public render(): JSX.Element {
         const ev = this.props.mxEvent;
         const senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
-        const RoomAvatar = sdk.getComponent("avatars.RoomAvatar");
 
         if (!ev.getContent().url || ev.getContent().url.trim().length === 0) {
             return (

src/components/views/messages/RoomCreate.tsx

@@ -16,7 +16,6 @@ limitations under the License.
 */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 
 import dis from '../../../dispatcher/dispatcher';
 import { RoomPermalinkCreator } from '../../../utils/permalinks/Permalinks';
@@ -24,15 +23,16 @@ import { _t } from '../../../languageHandler';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
 import EventTileBubble from "./EventTileBubble";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+
+interface IProps {
+    /* the MatrixEvent to show */
+    mxEvent: MatrixEvent;
+}
 
 @replaceableComponent("views.messages.RoomCreate")
-export default class RoomCreate extends React.Component {
-    static propTypes = {
-        /* the MatrixEvent to show */
-        mxEvent: PropTypes.object.isRequired,
-    };
-
-    _onLinkClicked = e => {
+export default class RoomCreate extends React.Component<IProps> {
+    private onLinkClicked = (e: React.MouseEvent): void => {
         e.preventDefault();
 
         const predecessor = this.props.mxEvent.getContent()['predecessor'];
@@ -45,7 +45,7 @@ export default class RoomCreate extends React.Component {
         });
     };
 
-    render() {
+    public render(): JSX.Element {
         const predecessor = this.props.mxEvent.getContent()['predecessor'];
         if (predecessor === undefined) {
             return <div />; // We should never have been instantiated in this case
@@ -55,7 +55,7 @@ export default class RoomCreate extends React.Component {
         permalinkCreator.load();
         const predecessorPermalink = permalinkCreator.forEvent(predecessor['event_id']);
         const link = (
-            <a href={predecessorPermalink} onClick={this._onLinkClicked}>
+            <a href={predecessorPermalink} onClick={this.onLinkClicked}>
                 { _t("Click here to see older messages.") }
             </a>
         );

src/components/views/messages/TextualBody.tsx

@@ -138,6 +138,7 @@ export default class TextualBody extends React.Component<IBodyProps, IState> {
         // If it's less than 30% we don't add the expansion button.
         // We also round the number as it sometimes can be 29.99...
         const percentageOfViewport = Math.round(pre.offsetHeight / UIStore.instance.windowHeight * 100);
+        // TODO: additionally show the button if it's an expanded quoted message
         if (percentageOfViewport < 30) return;
 
         const button = document.createElement("span");

src/components/views/rooms/AuxPanel.tsx

@@ -15,7 +15,6 @@ limitations under the License.
 */
 
 import React from 'react';
-import classNames from 'classnames';
 import { lexicographicCompare } from 'matrix-js-sdk/src/utils';
 import { Room } from 'matrix-js-sdk/src/models/room';
 
@@ -35,16 +34,6 @@ interface IProps {
     room: Room;
     userId: string;
     showApps: boolean; // Render apps
-
-    // maxHeight attribute for the aux panel and the video
-    // therein
-    maxHeight: number;
-
-    // a callback which is called when the content of the aux panel changes
-    // content in a way that is likely to make it change size.
-    onResize: () => void;
-    fullHeight: boolean;
-
     resizeNotifier: ResizeNotifier;
 }
 
@@ -92,13 +81,6 @@ export default class AuxPanel extends React.Component<IProps, IState> {
         return objectHasDiff(this.props, nextProps) || objectHasDiff(this.state, nextState);
     }
 
-    componentDidUpdate(prevProps, prevState) {
-        // most changes are likely to cause a resize
-        if (this.props.onResize) {
-            this.props.onResize();
-        }
-    }
-
     private rateLimitedUpdate = throttle(() => {
         this.setState({ counters: this.computeCounters() });
     }, 500, { leading: true, trailing: true });
@@ -138,7 +120,6 @@ export default class AuxPanel extends React.Component<IProps, IState> {
         const callView = (
             <CallViewForRoom
                 roomId={this.props.room.roomId}
-                maxVideoHeight={this.props.maxHeight}
                 resizeNotifier={this.props.resizeNotifier}
             />
         );
@@ -148,7 +129,6 @@ export default class AuxPanel extends React.Component<IProps, IState> {
             appsDrawer = <AppsDrawer
                 room={this.props.room}
                 userId={this.props.userId}
-                maxHeight={this.props.maxHeight}
                 showApps={this.props.showApps}
                 resizeNotifier={this.props.resizeNotifier}
             />;
@@ -204,21 +184,12 @@ export default class AuxPanel extends React.Component<IProps, IState> {
             }
         }
 
-        const classes = classNames({
-            "mx_RoomView_auxPanel": true,
-            "mx_RoomView_auxPanel_fullHeight": this.props.fullHeight,
-        });
-        const style: React.CSSProperties = {};
-        if (!this.props.fullHeight) {
-            style.maxHeight = this.props.maxHeight;
-        }
-
         return (
-            <AutoHideScrollbar className={classes} style={style}>
+            <AutoHideScrollbar className="mx_RoomView_auxPanel">
                 { stateViews }
+                { this.props.children }
                 { appsDrawer }
                 { callView }
-                { this.props.children }
             </AutoHideScrollbar>
         );
     }

src/components/views/rooms/EventTile.tsx

@@ -58,6 +58,7 @@ import ReactionsRow from '../messages/ReactionsRow';
 import { getEventDisplayInfo } from '../../../utils/EventUtils';
 import { RightPanelPhases } from "../../../stores/RightPanelStorePhases";
 import SettingsStore from "../../../settings/SettingsStore";
+import MKeyVerificationConclusion from "../messages/MKeyVerificationConclusion";
 
 const eventTileTypes = {
     [EventType.RoomMessage]: 'messages.MessageEvent',
@@ -144,8 +145,7 @@ export function getHandlerTile(ev) {
     // XXX: This is extremely a hack. Possibly these components should have an interface for
     // declining to render?
     if (type === "m.key.verification.cancel" || type === "m.key.verification.done") {
-        const MKeyVerificationConclusion = sdk.getComponent("messages.MKeyVerificationConclusion");
-        if (!MKeyVerificationConclusion.prototype._shouldRender.call(null, ev, ev.request)) {
+        if (!MKeyVerificationConclusion.shouldRender(ev, ev.request)) {
             return;
         }
     }
@@ -323,7 +323,7 @@ interface IState {
     reactions: Relations;
 
     hover: boolean;
-
+    isQuoteExpanded?: boolean;
     thread?: Thread;
 }
 
@@ -331,7 +331,8 @@ interface IState {
 export default class EventTile extends React.Component<IProps, IState> {
     private suppressReadReceiptAnimation: boolean;
     private isListeningForReceipts: boolean;
-    private tile = React.createRef();
+    // TODO: Types
+    private tile = React.createRef<unknown>();
     private replyThread = React.createRef<ReplyThread>();
 
     public readonly ref = createRef<HTMLElement>();
@@ -889,8 +890,8 @@ export default class EventTile extends React.Component<IProps, IState> {
             actionBarFocused: focused,
         });
     };
-
-    getTile = () => this.tile.current;
+    // TODO: Types
+    getTile: () => any | null = () => this.tile.current;
 
     getReplyThread = () => this.replyThread.current;
 
@@ -915,6 +916,11 @@ export default class EventTile extends React.Component<IProps, IState> {
         });
     };
 
+    private setQuoteExpanded = (expanded: boolean) => {
+        this.setState({
+            isQuoteExpanded: expanded,
+        });
+    };
     render() {
         const msgtype = this.props.mxEvent.getContent().msgtype;
         const eventType = this.props.mxEvent.getType() as EventType;
@@ -924,6 +930,7 @@ export default class EventTile extends React.Component<IProps, IState> {
             isInfoMessage,
             isLeftAlignedBubbleMessage,
         } = getEventDisplayInfo(this.props.mxEvent);
+        const { isQuoteExpanded } = this.state;
 
         // This shouldn't happen: the caller should check we support this type
         // before trying to instantiate us
@@ -936,6 +943,7 @@ export default class EventTile extends React.Component<IProps, IState> {
                 </div>
             </div>;
         }
+
         const EventTileType = sdk.getComponent(tileHandler);
 
         const isSending = (['sending', 'queued', 'encrypting'].indexOf(this.props.eventSendStatus) !== -1);
@@ -1057,6 +1065,7 @@ export default class EventTile extends React.Component<IProps, IState> {
             getReplyThread={this.getReplyThread}
             onFocusChange={this.onActionBarFocusChange}
             isInThreadTimeline={isInThreadTimeline}
+            toggleThreadExpanded={() => this.setQuoteExpanded(!isQuoteExpanded)}
         /> : undefined;
 
         const showTimestamp = this.props.mxEvent.getTs()
@@ -1229,20 +1238,18 @@ export default class EventTile extends React.Component<IProps, IState> {
             }
 
             default: {
-                let thread;
-                // When the "showHiddenEventsInTimeline" lab is enabled,
-                // avoid showing replies for hidden events (events without tiles)
-                if (haveTileForEvent(this.props.mxEvent)) {
-                    thread = ReplyThread.makeThread(
-                        this.props.mxEvent,
-                        this.props.onHeightChanged,
-                        this.props.permalinkCreator,
-                        this.replyThread,
-                        this.props.layout,
-                        this.props.alwaysShowTimestamps || this.state.hover,
-                    );
-                }
-
+                const thread = haveTileForEvent(this.props.mxEvent) &&
+                    ReplyThread.hasThreadReply(this.props.mxEvent) ? (
+                        <ReplyThread
+                            parentEv={this.props.mxEvent}
+                            onHeightChanged={this.props.onHeightChanged}
+                            ref={this.replyThread}
+                            permalinkCreator={this.props.permalinkCreator}
+                            layout={this.props.layout}
+                            alwaysShowTimestamps={this.props.alwaysShowTimestamps || this.state.hover}
+                            isQuoteExpanded={isQuoteExpanded}
+                            setQuoteExpanded={this.setQuoteExpanded}
+                        />) : null;
                 const isOwnEvent = this.props.mxEvent?.sender?.userId === MatrixClientPeg.get().getUserId();
 
                 // tab-index=-1 to allow it to be focusable but do not add tab stop for it, primarily for screen readers

src/components/views/rooms/LinkPreviewGroup.tsx

@@ -16,7 +16,7 @@ limitations under the License.
 
 import React, { useContext, useEffect } from "react";
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
-import { IPreviewUrlResponse } from "matrix-js-sdk/src/client";
+import { IPreviewUrlResponse, MatrixClient } from "matrix-js-sdk/src/client";
 
 import { useStateToggle } from "../../../hooks/useStateToggle";
 import LinkPreviewWidget from "./LinkPreviewWidget";
@@ -40,13 +40,7 @@ const LinkPreviewGroup: React.FC<IProps> = ({ links, mxEvent, onCancelClick, onH
 
     const ts = mxEvent.getTs();
     const previews = useAsyncMemo<[string, IPreviewUrlResponse][]>(async () => {
-        return Promise.all<[string, IPreviewUrlResponse] | void>(links.map(async link => {
-            try {
-                return [link, await cli.getUrlPreview(link, ts)];
-            } catch (error) {
-                console.error("Failed to get URL preview: " + error);
-            }
-        })).then(a => a.filter(Boolean)) as Promise<[string, IPreviewUrlResponse][]>;
+        return fetchPreviews(cli, links, ts);
     }, [links, ts], []);
 
     useEffect(() => {
@@ -89,4 +83,18 @@ const LinkPreviewGroup: React.FC<IProps> = ({ links, mxEvent, onCancelClick, onH
     </div>;
 };
 
+const fetchPreviews = (cli: MatrixClient, links: string[], ts: number):
+        Promise<[string, IPreviewUrlResponse][]> => {
+    return Promise.all<[string, IPreviewUrlResponse] | void>(links.map(async link => {
+        try {
+            const preview = await cli.getUrlPreview(link, ts);
+            if (preview && Object.keys(preview).length > 0) {
+                return [link, preview];
+            }
+        } catch (error) {
+            console.error("Failed to get URL preview: " + error);
+        }
+    })).then(a => a.filter(Boolean)) as Promise<[string, IPreviewUrlResponse][]>;
+};
+
 export default LinkPreviewGroup;

src/components/views/rooms/ReplyTile.tsx

@@ -35,6 +35,7 @@ interface IProps {
     highlights?: string[];
     highlightLink?: string;
     onHeightChanged?(): void;
+    toggleExpandedQuote?: () => void;
 }
 
 @replaceableComponent("views.rooms.ReplyTile")
@@ -82,12 +83,17 @@ export default class ReplyTile extends React.PureComponent<IProps> {
             // This allows the permalink to be opened in a new tab/window or copied as
             // matrix.to, but also for it to enable routing within Riot when clicked.
             e.preventDefault();
-            dis.dispatch({
-                action: 'view_room',
-                event_id: this.props.mxEvent.getId(),
-                highlighted: true,
-                room_id: this.props.mxEvent.getRoomId(),
-            });
+            // Expand thread on shift key
+            if (this.props.toggleExpandedQuote && e.shiftKey) {
+                this.props.toggleExpandedQuote();
+            } else {
+                dis.dispatch({
+                    action: 'view_room',
+                    event_id: this.props.mxEvent.getId(),
+                    highlighted: true,
+                    room_id: this.props.mxEvent.getRoomId(),
+                });
+            }
         }
     };
 

src/components/views/rooms/SendMessageComposer.tsx

@@ -164,6 +164,20 @@ export default class SendMessageComposer extends React.Component<IProps> {
         window.addEventListener("beforeunload", this.saveStoredEditorState);
     }
 
+    public componentDidUpdate(prevProps: IProps): void {
+        const replyToEventChanged = this.props.replyInThread && (this.props.replyToEvent !== prevProps.replyToEvent);
+        if (replyToEventChanged) {
+            this.model.reset([]);
+        }
+
+        if (this.props.replyInThread && this.props.replyToEvent && (!prevProps.replyToEvent || replyToEventChanged)) {
+            const partCreator = new CommandPartCreator(this.props.room, this.context);
+            const parts = this.restoreStoredEditorState(partCreator) || [];
+            this.model.reset(parts);
+            this.editorRef.current?.focus();
+        }
+    }
+
     private onKeyDown = (event: KeyboardEvent): void => {
         // ignore any keypress while doing IME compositions
         if (this.editorRef.current?.isComposing(event)) {
@@ -484,7 +498,12 @@ export default class SendMessageComposer extends React.Component<IProps> {
     }
 
     private get editorStateKey() {
-        return `mx_cider_state_${this.props.room.roomId}`;
+        let key = `mx_cider_state_${this.props.room.roomId}`;
+        const thread = this.props.replyToEvent?.getThread();
+        if (thread) {
+            key += `_${thread.id}`;
+        }
+        return key;
     }
 
     private clearStoredEditorState(): void {
@@ -492,6 +511,10 @@ export default class SendMessageComposer extends React.Component<IProps> {
     }
 
     private restoreStoredEditorState(partCreator: PartCreator): Part[] {
+        if (this.props.replyInThread && !this.props.replyToEvent) {
+            return null;
+        }
+
         const json = localStorage.getItem(this.editorStateKey);
         if (json) {
             try {

src/components/views/voip/CallViewForRoom.tsx

@@ -27,9 +27,6 @@ interface IProps {
     // What room we should display the call for
     roomId: string;
 
-    // maxHeight style attribute for the video panel
-    maxVideoHeight?: number;
-
     resizeNotifier: ResizeNotifier;
 }
 
@@ -99,14 +96,12 @@ export default class CallViewForRoom extends React.Component<IProps, IState> {
 
     public render() {
         if (!this.state.call) return null;
-        // We subtract 8 as it the margin-bottom of the mx_CallViewForRoom_ResizeWrapper
-        const maxHeight = this.props.maxVideoHeight - 8;
 
         return (
             <div className="mx_CallViewForRoom">
                 <Resizable
                     minHeight={380}
-                    maxHeight={maxHeight}
+                    maxHeight="80vh"
                     enable={{
                         top: false,
                         right: false,

src/i18n/strings/en_EN.json

@@ -1944,6 +1944,8 @@
     "Edit": "Edit",
     "Reply": "Reply",
     "Thread": "Thread",
+    "Collapse quotes │ ⇧+click": "Collapse quotes │ ⇧+click",
+    "Expand quotes │ ⇧+click": "Expand quotes │ ⇧+click",
     "Message Actions": "Message Actions",
     "Download %(text)s": "Download %(text)s",
     "Error decrypting attachment": "Error decrypting attachment",

src/rageshake/rageshake.ts

@@ -46,12 +46,10 @@ const FLUSH_RATE_MS = 30 * 1000;
 const MAX_LOG_SIZE = 1024 * 1024 * 5; // 5 MB
 
 // A class which monkey-patches the global console and stores log lines.
-class ConsoleLogger {
-    constructor() {
-        this.logs = "";
-    }
+export class ConsoleLogger {
+    private logs = "";
 
-    monkeyPatch(consoleObj) {
+    public monkeyPatch(consoleObj: Console): void {
         // Monkey-patch console logging
         const consoleFunctionsToLevels = {
             log: "I",
@@ -69,14 +67,14 @@ class ConsoleLogger {
         });
     }
 
-    log(level, ...args) {
+    private log(level: string, ...args: (Error | DOMException | object | string)[]): void {
         // We don't know what locale the user may be running so use ISO strings
         const ts = new Date().toISOString();
 
         // Convert objects and errors to helpful things
         args = args.map((arg) => {
             if (arg instanceof DOMException) {
-                return arg.message + ` (${arg.name} | ${arg.code}) ` + (arg.stack ? `\n${arg.stack}` : '');
+                return arg.message + ` (${arg.name} | ${arg.code})`;
             } else if (arg instanceof Error) {
                 return arg.message + (arg.stack ? `\n${arg.stack}` : '');
             } else if (typeof (arg) === 'object') {
@@ -118,7 +116,7 @@ class ConsoleLogger {
      * @param {boolean} keepLogs True to not delete logs after flushing.
      * @return {string} \n delimited log lines to flush.
      */
-    flush(keepLogs) {
+    public flush(keepLogs?: boolean): string {
         // The ConsoleLogger doesn't care how these end up on disk, it just
         // flushes them to the caller.
         if (keepLogs) {
@@ -131,27 +129,28 @@ class ConsoleLogger {
 }
 
 // A class which stores log lines in an IndexedDB instance.
-class IndexedDBLogStore {
-    constructor(indexedDB, logger) {
-        this.indexedDB = indexedDB;
-        this.logger = logger;
-        this.id = "instance-" + Math.random() + Date.now();
-        this.index = 0;
-        this.db = null;
+export class IndexedDBLogStore {
+    private id: string;
+    private index = 0;
+    private db = null;
+    private flushPromise = null;
+    private flushAgainPromise = null;
 
-        // these promises are cleared as soon as fulfilled
-        this.flushPromise = null;
-        // set if flush() is called whilst one is ongoing
-        this.flushAgainPromise = null;
+    constructor(
+        private indexedDB: IDBFactory,
+        private logger: ConsoleLogger,
+    ) {
+        this.id = "instance-" + Math.random() + Date.now();
     }
 
     /**
      * @return {Promise} Resolves when the store is ready.
      */
-    connect() {
+    public connect(): Promise<void> {
         const req = this.indexedDB.open("logs");
         return new Promise((resolve, reject) => {
-            req.onsuccess = (event) => {
+            req.onsuccess = (event: Event) => {
+                // @ts-ignore
                 this.db = event.target.result;
                 // Periodically flush logs to local storage / indexeddb
                 setInterval(this.flush.bind(this), FLUSH_RATE_MS);
@@ -160,6 +159,7 @@ class IndexedDBLogStore {
 
             req.onerror = (event) => {
                 const err = (
+                    // @ts-ignore
                     "Failed to open log database: " + event.target.error.name
                 );
                 console.error(err);
@@ -168,6 +168,7 @@ class IndexedDBLogStore {
 
             // First time: Setup the object store
             req.onupgradeneeded = (event) => {
+                // @ts-ignore
                 const db = event.target.result;
                 const logObjStore = db.createObjectStore("logs", {
                     keyPath: ["id", "index"],
@@ -178,7 +179,7 @@ class IndexedDBLogStore {
                 logObjStore.createIndex("id", "id", { unique: false });
 
                 logObjStore.add(
-                    this._generateLogEntry(
+                    this.generateLogEntry(
                         new Date() + " ::: Log database was created.",
                     ),
                 );
@@ -186,7 +187,7 @@ class IndexedDBLogStore {
                 const lastModifiedStore = db.createObjectStore("logslastmod", {
                     keyPath: "id",
                 });
-                lastModifiedStore.add(this._generateLastModifiedTime());
+                lastModifiedStore.add(this.generateLastModifiedTime());
             };
         });
     }
@@ -210,7 +211,7 @@ class IndexedDBLogStore {
      *
      * @return {Promise} Resolved when the logs have been flushed.
      */
-    flush() {
+    public flush(): Promise<void> {
         // check if a flush() operation is ongoing
         if (this.flushPromise) {
             if (this.flushAgainPromise) {
@@ -227,7 +228,7 @@ class IndexedDBLogStore {
         }
         // there is no flush promise or there was but it has finished, so do
         // a brand new one, destroying the chain which may have been built up.
-        this.flushPromise = new Promise((resolve, reject) => {
+        this.flushPromise = new Promise<void>((resolve, reject) => {
             if (!this.db) {
                 // not connected yet or user rejected access for us to r/w to the db.
                 reject(new Error("No connected database"));
@@ -251,9 +252,9 @@ class IndexedDBLogStore {
                     new Error("Failed to write logs: " + event.target.errorCode),
                 );
             };
-            objStore.add(this._generateLogEntry(lines));
+            objStore.add(this.generateLogEntry(lines));
             const lastModStore = txn.objectStore("logslastmod");
-            lastModStore.put(this._generateLastModifiedTime());
+            lastModStore.put(this.generateLastModifiedTime());
         }).then(() => {
             this.flushPromise = null;
         });
@@ -270,12 +271,12 @@ class IndexedDBLogStore {
      * log ID). The objects have said log ID in an "id" field and "lines" which
      * is a big string with all the new-line delimited logs.
      */
-    async consume() {
+    public async consume(): Promise<{lines: string, id: string}[]> {
         const db = this.db;
 
         // Returns: a string representing the concatenated logs for this ID.
         // Stops adding log fragments when the size exceeds maxSize
-        function fetchLogs(id, maxSize) {
+        function fetchLogs(id: string, maxSize: number): Promise<string> {
             const objectStore = db.transaction("logs", "readonly").objectStore("logs");
 
             return new Promise((resolve, reject) => {
@@ -301,7 +302,7 @@ class IndexedDBLogStore {
         }
 
         // Returns: A sorted array of log IDs. (newest first)
-        function fetchLogIds() {
+        function fetchLogIds(): Promise<string[]> {
             // To gather all the log IDs, query for all records in logslastmod.
             const o = db.transaction("logslastmod", "readonly").objectStore(
                 "logslastmod",
@@ -319,8 +320,8 @@ class IndexedDBLogStore {
             });
         }
 
-        function deleteLogs(id) {
-            return new Promise((resolve, reject) => {
+        function deleteLogs(id: number): Promise<void> {
+            return new Promise<void>((resolve, reject) => {
                 const txn = db.transaction(
                     ["logs", "logslastmod"], "readwrite",
                 );
@@ -389,7 +390,7 @@ class IndexedDBLogStore {
         return logs;
     }
 
-    _generateLogEntry(lines) {
+    private generateLogEntry(lines: string): {id: string, lines: string, index: number} {
         return {
             id: this.id,
             lines: lines,
@@ -397,7 +398,7 @@ class IndexedDBLogStore {
         };
     }
 
-    _generateLastModifiedTime() {
+    private generateLastModifiedTime(): {id: string, ts: number} {
         return {
             id: this.id,
             ts: Date.now(),
@@ -415,15 +416,19 @@ class IndexedDBLogStore {
  * @return {Promise<T[]>} Resolves to an array of whatever you returned from
  * resultMapper.
  */
-function selectQuery(store, keyRange, resultMapper) {
+function selectQuery<T>(
+    store: IDBIndex, keyRange: IDBKeyRange, resultMapper: (cursor: IDBCursorWithValue) => T,
+): Promise<T[]> {
     const query = store.openCursor(keyRange);
     return new Promise((resolve, reject) => {
         const results = [];
         query.onerror = (event) => {
+            // @ts-ignore
             reject(new Error("Query failed: " + event.target.errorCode));
         };
         // collect results
         query.onsuccess = (event) => {
+            // @ts-ignore
             const cursor = event.target.result;
             if (!cursor) {
                 resolve(results);
@@ -442,7 +447,7 @@ function selectQuery(store, keyRange, resultMapper) {
  * be set up immediately for the logs.
  * @return {Promise} Resolves when set up.
  */
-export function init(setUpPersistence = true) {
+export function init(setUpPersistence = true): Promise<void> {
     if (global.mx_rage_initPromise) {
         return global.mx_rage_initPromise;
     }
@@ -462,7 +467,7 @@ export function init(setUpPersistence = true) {
  * then this no-ops.
  * @return {Promise} Resolves when complete.
  */
-export function tryInitStorage() {
+export function tryInitStorage(): Promise<void> {
     if (global.mx_rage_initStoragePromise) {
         return global.mx_rage_initStoragePromise;
     }

src/stores/ActiveWidgetStore.js

@@ -1,110 +0,0 @@
-/*
-Copyright 2018 New Vector Ltd
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-import EventEmitter from 'events';
-
-import { MatrixClientPeg } from '../MatrixClientPeg';
-import { WidgetMessagingStore } from "./widgets/WidgetMessagingStore";
-
-/**
- * Stores information about the widgets active in the app right now:
- *  * What widget is set to remain always-on-screen, if any
- *    Only one widget may be 'always on screen' at any one time.
- *  * Negotiated capabilities for active apps
- */
-class ActiveWidgetStore extends EventEmitter {
-    constructor() {
-        super();
-        this._persistentWidgetId = null;
-
-        // What room ID each widget is associated with (if it's a room widget)
-        this._roomIdByWidgetId = {};
-
-        this.onRoomStateEvents = this.onRoomStateEvents.bind(this);
-
-        this.dispatcherRef = null;
-    }
-
-    start() {
-        MatrixClientPeg.get().on('RoomState.events', this.onRoomStateEvents);
-    }
-
-    stop() {
-        if (MatrixClientPeg.get()) {
-            MatrixClientPeg.get().removeListener('RoomState.events', this.onRoomStateEvents);
-        }
-        this._roomIdByWidgetId = {};
-    }
-
-    onRoomStateEvents(ev, state) {
-        // XXX: This listens for state events in order to remove the active widget.
-        // Everything else relies on views listening for events and calling setters
-        // on this class which is terrible. This store should just listen for events
-        // and keep itself up to date.
-        // TODO: Enable support for m.widget event type (https://github.com/vector-im/element-web/issues/13111)
-        if (ev.getType() !== 'im.vector.modular.widgets') return;
-
-        if (ev.getStateKey() === this._persistentWidgetId) {
-            this.destroyPersistentWidget(this._persistentWidgetId);
-        }
-    }
-
-    destroyPersistentWidget(id) {
-        if (id !== this._persistentWidgetId) return;
-        const toDeleteId = this._persistentWidgetId;
-
-        WidgetMessagingStore.instance.stopMessagingById(id);
-
-        this.setWidgetPersistence(toDeleteId, false);
-        this.delRoomId(toDeleteId);
-    }
-
-    setWidgetPersistence(widgetId, val) {
-        if (this._persistentWidgetId === widgetId && !val) {
-            this._persistentWidgetId = null;
-        } else if (this._persistentWidgetId !== widgetId && val) {
-            this._persistentWidgetId = widgetId;
-        }
-        this.emit('update');
-    }
-
-    getWidgetPersistence(widgetId) {
-        return this._persistentWidgetId === widgetId;
-    }
-
-    getPersistentWidgetId() {
-        return this._persistentWidgetId;
-    }
-
-    getRoomId(widgetId) {
-        return this._roomIdByWidgetId[widgetId];
-    }
-
-    setRoomId(widgetId, roomId) {
-        this._roomIdByWidgetId[widgetId] = roomId;
-        this.emit('update');
-    }
-
-    delRoomId(widgetId) {
-        delete this._roomIdByWidgetId[widgetId];
-        this.emit('update');
-    }
-}
-
-if (global.singletonActiveWidgetStore === undefined) {
-    global.singletonActiveWidgetStore = new ActiveWidgetStore();
-}
-export default global.singletonActiveWidgetStore;

src/stores/ActiveWidgetStore.ts

@@ -0,0 +1,112 @@
+/*
+Copyright 2018 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import EventEmitter from 'events';
+import { MatrixEvent } from "matrix-js-sdk";
+
+import { MatrixClientPeg } from '../MatrixClientPeg';
+import { WidgetMessagingStore } from "./widgets/WidgetMessagingStore";
+
+export enum ActiveWidgetStoreEvent {
+    Update = "update",
+}
+
+/**
+ * Stores information about the widgets active in the app right now:
+ *  * What widget is set to remain always-on-screen, if any
+ *    Only one widget may be 'always on screen' at any one time.
+ *  * Negotiated capabilities for active apps
+ */
+export default class ActiveWidgetStore extends EventEmitter {
+    private static internalInstance: ActiveWidgetStore;
+    private persistentWidgetId: string;
+    // What room ID each widget is associated with (if it's a room widget)
+    private roomIdByWidgetId = new Map<string, string>();
+
+    public static get instance(): ActiveWidgetStore {
+        if (!ActiveWidgetStore.internalInstance) {
+            ActiveWidgetStore.internalInstance = new ActiveWidgetStore();
+        }
+        return ActiveWidgetStore.internalInstance;
+    }
+
+    public start(): void {
+        MatrixClientPeg.get().on('RoomState.events', this.onRoomStateEvents);
+    }
+
+    public stop(): void {
+        if (MatrixClientPeg.get()) {
+            MatrixClientPeg.get().removeListener('RoomState.events', this.onRoomStateEvents);
+        }
+        this.roomIdByWidgetId.clear();
+    }
+
+    private onRoomStateEvents = (ev: MatrixEvent): void => {
+        // XXX: This listens for state events in order to remove the active widget.
+        // Everything else relies on views listening for events and calling setters
+        // on this class which is terrible. This store should just listen for events
+        // and keep itself up to date.
+        // TODO: Enable support for m.widget event type (https://github.com/vector-im/element-web/issues/13111)
+        if (ev.getType() !== 'im.vector.modular.widgets') return;
+
+        if (ev.getStateKey() === this.persistentWidgetId) {
+            this.destroyPersistentWidget(this.persistentWidgetId);
+        }
+    };
+
+    public destroyPersistentWidget(id: string): void {
+        if (id !== this.persistentWidgetId) return;
+        const toDeleteId = this.persistentWidgetId;
+
+        WidgetMessagingStore.instance.stopMessagingById(id);
+
+        this.setWidgetPersistence(toDeleteId, false);
+        this.delRoomId(toDeleteId);
+    }
+
+    public setWidgetPersistence(widgetId: string, val: boolean): void {
+        if (this.persistentWidgetId === widgetId && !val) {
+            this.persistentWidgetId = null;
+        } else if (this.persistentWidgetId !== widgetId && val) {
+            this.persistentWidgetId = widgetId;
+        }
+        this.emit(ActiveWidgetStoreEvent.Update);
+    }
+
+    public getWidgetPersistence(widgetId: string): boolean {
+        return this.persistentWidgetId === widgetId;
+    }
+
+    public getPersistentWidgetId(): string {
+        return this.persistentWidgetId;
+    }
+
+    public getRoomId(widgetId: string): string {
+        return this.roomIdByWidgetId.get(widgetId);
+    }
+
+    public setRoomId(widgetId: string, roomId: string): void {
+        this.roomIdByWidgetId.set(widgetId, roomId);
+        this.emit(ActiveWidgetStoreEvent.Update);
+    }
+
+    public delRoomId(widgetId: string): void {
+        this.roomIdByWidgetId.delete(widgetId);
+        this.emit(ActiveWidgetStoreEvent.Update);
+    }
+}
+
+window.mxActiveWidgetStore = ActiveWidgetStore.instance;

src/stores/WidgetStore.ts

@@ -142,14 +142,14 @@ export default class WidgetStore extends AsyncStoreWithClient<IState> {
 
         // If a persistent widget is active, check to see if it's just been removed.
         // If it has, it needs to destroyed otherwise unmounting the node won't kill it
-        const persistentWidgetId = ActiveWidgetStore.getPersistentWidgetId();
+        const persistentWidgetId = ActiveWidgetStore.instance.getPersistentWidgetId();
         if (persistentWidgetId) {
             if (
-                ActiveWidgetStore.getRoomId(persistentWidgetId) === room.roomId &&
+                ActiveWidgetStore.instance.getRoomId(persistentWidgetId) === room.roomId &&
                 !roomInfo.widgets.some(w => w.id === persistentWidgetId)
             ) {
                 logger.log(`Persistent widget ${persistentWidgetId} removed from room ${room.roomId}: destroying.`);
-                ActiveWidgetStore.destroyPersistentWidget(persistentWidgetId);
+                ActiveWidgetStore.instance.destroyPersistentWidget(persistentWidgetId);
             }
         }
 
@@ -195,7 +195,7 @@ export default class WidgetStore extends AsyncStoreWithClient<IState> {
 
         // A persistent conference widget indicates that we're participating
         const widgets = roomInfo.widgets.filter(w => WidgetType.JITSI.matches(w.type));
-        return widgets.some(w => ActiveWidgetStore.getWidgetPersistence(w.id));
+        return widgets.some(w => ActiveWidgetStore.instance.getWidgetPersistence(w.id));
     }
 }
 

src/stores/widgets/StopGapWidget.ts

@@ -266,7 +266,7 @@ export class StopGapWidget extends EventEmitter {
         WidgetMessagingStore.instance.storeMessaging(this.mockWidget, this.messaging);
 
         if (!this.appTileProps.userWidget && this.appTileProps.room) {
-            ActiveWidgetStore.setRoomId(this.mockWidget.id, this.appTileProps.room.roomId);
+            ActiveWidgetStore.instance.setRoomId(this.mockWidget.id, this.appTileProps.room.roomId);
         }
 
         // Always attach a handler for ViewRoom, but permission check it internally
@@ -319,7 +319,7 @@ export class StopGapWidget extends EventEmitter {
                     if (WidgetType.JITSI.matches(this.mockWidget.type)) {
                         CountlyAnalytics.instance.trackJoinCall(this.appTileProps.room.roomId, true, true);
                     }
-                    ActiveWidgetStore.setWidgetPersistence(this.mockWidget.id, ev.detail.data.value);
+                    ActiveWidgetStore.instance.setWidgetPersistence(this.mockWidget.id, ev.detail.data.value);
                     ev.preventDefault();
                     this.messaging.transport.reply(ev.detail, <IWidgetApiRequestEmptyData>{}); // ack
                 }
@@ -406,13 +406,13 @@ export class StopGapWidget extends EventEmitter {
     }
 
     public stop(opts = { forceDestroy: false }) {
-        if (!opts?.forceDestroy && ActiveWidgetStore.getPersistentWidgetId() === this.mockWidget.id) {
+        if (!opts?.forceDestroy && ActiveWidgetStore.instance.getPersistentWidgetId() === this.mockWidget.id) {
             logger.log("Skipping destroy - persistent widget");
             return;
         }
         if (!this.started) return;
         WidgetMessagingStore.instance.stopMessaging(this.mockWidget);
-        ActiveWidgetStore.delRoomId(this.mockWidget.id);
+        ActiveWidgetStore.instance.delRoomId(this.mockWidget.id);
 
         if (MatrixClientPeg.get()) {
             MatrixClientPeg.get().off('event', this.onEvent);

src/usercontent/index.ts

@@ -1,5 +1,5 @@
 let hasCalled = false;
-function remoteRender(event) {
+function remoteRender(event: MessageEvent): void {
     const data = event.data;
 
     // If we're handling secondary calls, start from scratch
@@ -8,13 +8,14 @@ function remoteRender(event) {
     }
     hasCalled = true;
 
-    const img = document.createElement("span"); // we'll mask it as an image
+    const img: HTMLSpanElement = document.createElement("span"); // we'll mask it as an image
     img.id = "img";
 
-    const a = document.createElement("a");
+    const a: HTMLAnchorElement = document.createElement("a");
     a.id = "a";
     a.rel = "noreferrer noopener";
     a.download = data.download;
+    // @ts-ignore
     a.style = data.style;
     a.style.fontFamily = "Arial, Helvetica, Sans-Serif";
     a.href = window.URL.createObjectURL(data.blob);
@@ -23,24 +24,24 @@ function remoteRender(event) {
 
     // Apply image style after so we can steal the anchor's colour.
     // Style copied from a rendered version of mx_MFileBody_download_icon
-    img.style = (data.imgStyle || "" +
-        "width: 12px; height: 12px;" +
-        "-webkit-mask-size: 12px;" +
-        "mask-size: 12px;" +
-        "-webkit-mask-position: center;" +
-        "mask-position: center;" +
-        "-webkit-mask-repeat: no-repeat;" +
-        "mask-repeat: no-repeat;" +
-        "display: inline-block;") + "" +
-
-        // Always add these styles
-        `-webkit-mask-image: url('${data.imgSrc}');` +
-        `mask-image: url('${data.imgSrc}');` +
-        `background-color: ${a.style.color};`;
+    if (data.imgStyle) {
+        // @ts-ignore
+        img.style = data.imgStyle;
+    } else {
+        img.style.width = "12px";
+        img.style.height = "12px";
+        img.style.webkitMaskSize = "12px";
+        img.style.webkitMaskPosition = "center";
+        img.style.webkitMaskRepeat = "no-repeat";
+        img.style.display = "inline-block";
+        img.style.webkitMaskImage = `url('${data.imgSrc}')`;
+        img.style.backgroundColor = `${a.style.color}`;
+    }
 
     const body = document.body;
     // Don't display scrollbars if the link takes more than one line to display.
-    body.style = "margin: 0px; overflow: hidden";
+    body.style .margin = "0px";
+    body.style.overflow = "hidden";
     body.appendChild(a);
 
     if (event.data.auto) {
@@ -48,7 +49,7 @@ function remoteRender(event) {
     }
 }
 
-window.onmessage = function(e) {
+window.onmessage = function(e: MessageEvent): void {
     if (e.origin === window.location.origin) {
         if (e.data.blob) remoteRender(e);
     }

src/utils/DirectoryUtils.ts

@@ -14,9 +14,12 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+import { IInstance } from "matrix-js-sdk/src/client";
+import { Protocols } from "../components/views/directory/NetworkDropdown";
+
 // Find a protocol 'instance' with a given instance_id
 // in the supplied protocols dict
-export function instanceForInstanceId(protocols, instanceId) {
+export function instanceForInstanceId(protocols: Protocols, instanceId: string): IInstance {
     if (!instanceId) return null;
     for (const proto of Object.keys(protocols)) {
         if (!protocols[proto].instances && protocols[proto].instances instanceof Array) continue;
@@ -28,7 +31,7 @@ export function instanceForInstanceId(protocols, instanceId) {
 
 // given an instance_id, return the name of the protocol for
 // that instance ID in the supplied protocols dict
-export function protocolNameForInstanceId(protocols, instanceId) {
+export function protocolNameForInstanceId(protocols: Protocols, instanceId: string): string {
     if (!instanceId) return null;
     for (const proto of Object.keys(protocols)) {
         if (!protocols[proto].instances && protocols[proto].instances instanceof Array) continue;

src/utils/HostingLink.ts

@@ -17,7 +17,7 @@ limitations under the License.
 import SdkConfig from '../SdkConfig';
 import { MatrixClientPeg } from '../MatrixClientPeg';
 
-export function getHostingLink(campaign) {
+export function getHostingLink(campaign: string): string {
     const hostingLink = SdkConfig.get().hosting_signup_link;
     if (!hostingLink) return null;
     if (!campaign) return hostingLink;
@@ -27,7 +27,7 @@ export function getHostingLink(campaign) {
     try {
         const hostingUrl = new URL(hostingLink);
         hostingUrl.searchParams.set("utm_campaign", campaign);
-        return hostingUrl.format();
+        return hostingUrl.toString();
     } catch (e) {
         return hostingLink;
     }

src/utils/KeyVerificationStateObserver.ts

@@ -17,14 +17,14 @@ limitations under the License.
 import { MatrixClientPeg } from '../MatrixClientPeg';
 import { _t } from '../languageHandler';
 
-export function getNameForEventRoom(userId, roomId) {
+export function getNameForEventRoom(userId: string, roomId: string): string {
     const client = MatrixClientPeg.get();
     const room = client.getRoom(roomId);
     const member = room && room.getMember(userId);
     return member ? member.name : userId;
 }
 
-export function userLabelForEventRoom(userId, roomId) {
+export function userLabelForEventRoom(userId: string, roomId: string): string {
     const name = getNameForEventRoom(userId, roomId);
     if (name !== userId) {
         return _t("%(name)s (%(userId)s)", { name, userId });

src/utils/MegolmExportEncryption.ts

@@ -26,17 +26,17 @@ const subtleCrypto = window.crypto.subtle || window.crypto.webkitSubtle;
  * Make an Error object which has a friendlyText property which is already
  * translated and suitable for showing to the user.
  *
- * @param {string} msg   message for the exception
+ * @param {string} message message for the exception
  * @param {string} friendlyText
- * @returns {Error}
+ * @returns {{message: string, friendlyText: string}}
  */
-function friendlyError(msg, friendlyText) {
-    const e = new Error(msg);
-    e.friendlyText = friendlyText;
-    return e;
+function friendlyError(
+    message: string, friendlyText: string,
+): { message: string, friendlyText: string } {
+    return { message, friendlyText };
 }
 
-function cryptoFailMsg() {
+function cryptoFailMsg(): string {
     return _t('Your browser does not support the required cryptography extensions');
 }
 
@@ -49,7 +49,7 @@ function cryptoFailMsg() {
  *
  *
  */
-export async function decryptMegolmKeyFile(data, password) {
+export async function decryptMegolmKeyFile(data: ArrayBuffer, password: string): Promise<string> {
     const body = unpackMegolmKeyFile(data);
     const brand = SdkConfig.get().brand;
 
@@ -124,7 +124,11 @@ export async function decryptMegolmKeyFile(data, password) {
  *    key-derivation function.
  * @return {Promise<ArrayBuffer>} promise for encrypted output
  */
-export async function encryptMegolmKeyFile(data, password, options) {
+export async function encryptMegolmKeyFile(
+    data: string,
+    password: string,
+    options?: { kdf_rounds?: number }, // eslint-disable-line camelcase
+): Promise<ArrayBuffer> {
     options = options || {};
     const kdfRounds = options.kdf_rounds || 500000;
 
@@ -196,7 +200,7 @@ export async function encryptMegolmKeyFile(data, password, options) {
  * @param {String} password  password
  * @return {Promise<[CryptoKey, CryptoKey]>} promise for [aes key, hmac key]
  */
-async function deriveKeys(salt, iterations, password) {
+async function deriveKeys(salt: Uint8Array, iterations: number, password: string): Promise<[CryptoKey, CryptoKey]> {
     const start = new Date();
 
     let key;
@@ -229,7 +233,7 @@ async function deriveKeys(salt, iterations, password) {
     }
 
     const now = new Date();
-    logger.log("E2e import/export: deriveKeys took " + (now - start) + "ms");
+    logger.log("E2e import/export: deriveKeys took " + (now.getTime() - start.getTime()) + "ms");
 
     const aesKey = keybits.slice(0, 32);
     const hmacKey = keybits.slice(32);
@@ -271,7 +275,7 @@ const TRAILER_LINE = '-----END MEGOLM SESSION DATA-----';
  * @param {ArrayBuffer} data  input file
  * @return {Uint8Array} unbase64ed content
  */
-function unpackMegolmKeyFile(data) {
+function unpackMegolmKeyFile(data: ArrayBuffer): Uint8Array {
     // parse the file as a great big String. This should be safe, because there
     // should be no non-ASCII characters, and it means that we can do string
     // comparisons to find the header and footer, and feed it into window.atob.
@@ -279,6 +283,7 @@ function unpackMegolmKeyFile(data) {
 
     // look for the start line
     let lineStart = 0;
+    // eslint-disable-next-line no-constant-condition
     while (1) {
         const lineEnd = fileStr.indexOf('\n', lineStart);
         if (lineEnd < 0) {
@@ -297,6 +302,7 @@ function unpackMegolmKeyFile(data) {
     const dataStart = lineStart;
 
     // look for the end line
+    // eslint-disable-next-line no-constant-condition
     while (1) {
         const lineEnd = fileStr.indexOf('\n', lineStart);
         const line = fileStr.slice(lineStart, lineEnd < 0 ? undefined : lineEnd).trim();
@@ -324,7 +330,7 @@ function unpackMegolmKeyFile(data) {
  * @param {Uint8Array} data  raw data
  * @return {ArrayBuffer} formatted file
  */
-function packMegolmKeyFile(data) {
+function packMegolmKeyFile(data: Uint8Array): ArrayBuffer {
     // we split into lines before base64ing, because encodeBase64 doesn't deal
     // terribly well with large arrays.
     const LINE_LENGTH = (72 * 4 / 3);
@@ -347,7 +353,7 @@ function packMegolmKeyFile(data) {
  * @param {Uint8Array} uint8Array The data to encode.
  * @return {string} The base64.
  */
-function encodeBase64(uint8Array) {
+function encodeBase64(uint8Array: Uint8Array): string {
     // Misinterpt the Uint8Array as Latin-1.
     // window.btoa expects a unicode string with codepoints in the range 0-255.
     const latin1String = String.fromCharCode.apply(null, uint8Array);
@@ -360,7 +366,7 @@ function encodeBase64(uint8Array) {
  * @param {string} base64 The base64 to decode.
  * @return {Uint8Array} The decoded data.
  */
-function decodeBase64(base64) {
+function decodeBase64(base64: string): Uint8Array {
     // window.atob returns a unicode string with codepoints in the range 0-255.
     const latin1String = window.atob(base64);
     // Encode the string as a Uint8Array

yarn.lock

@@ -5807,8 +5807,8 @@ mathml-tag-names@^2.1.3:
   integrity sha512-APMBEanjybaPzUrfqU0IMU5I0AswKMH7k8OTLs0vvV4KZpExkTkY87nR/zpbuTPj+gARop7aGUbl11pnDfW6xg==
 
 "matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
-  version "12.5.0"
-  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/f84905b00398072b592addfb1dae64c8f3a07fa2"
+  version "13.0.0"
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/2515d07c8fc3bf5e1afc8352e3e330cca30dde85"
   dependencies:
     "@babel/runtime" "^7.12.5"
     another-json "^0.2.0"