Move the PinnedEventsPanel to the react-sdk

Signed-off-by: Travis Ralston <travpc@gmail.com>

src/components/views/rooms/PinnedEventTile.js

@@ -0,0 +1,86 @@
+/*
+Copyright 2017 Travis Ralston
+
+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 React from "react";
+import MatrixClientPeg from "../../../MatrixClientPeg";
+import dis from "../../../dispatcher";
+import AccessibleButton from "../elements/AccessibleButton";
+import MessageEvent from "../messages/MessageEvent";
+import MemberAvatar from "../avatars/MemberAvatar";
+import { _t } from '../../../languageHandler';
+
+module.exports = React.createClass({
+    displayName: 'PinnedEventTile',
+    propTypes: {
+        mxRoom: React.PropTypes.object.isRequired,
+        mxEvent: React.PropTypes.object.isRequired,
+        onUnpinned: React.PropTypes.func,
+    },
+    onTileClicked: function() {
+        dis.dispatch({
+            action: 'view_room',
+            event_id: this.props.mxEvent.getId(),
+            highlighted: true,
+            room_id: this.props.mxEvent.getRoomId(),
+        });
+    },
+    onUnpinClicked: function() {
+        const pinnedEvents = this.props.mxRoom.currentState.getStateEvents("m.room.pinned_events", "");
+        if (!pinnedEvents || !pinnedEvents.getContent().pinned) {
+            // Nothing to do: already unpinned
+            if (this.props.onUnpinned) this.props.onUnpinned();
+        } else {
+            const pinned = pinnedEvents.getContent().pinned;
+            const index = pinned.indexOf(this.props.mxEvent.getId());
+            if (index !== -1) {
+                pinned.splice(index, 1);
+                MatrixClientPeg.get().sendStateEvent(this.props.mxRoom.roomId, 'm.room.pinned_events', {pinned}, '').then(() => {
+                    if (this.props.onUnpinned) this.props.onUnpinned();
+                });
+            } else if (this.props.onUnpinned) this.props.onUnpinned();
+        }
+    },
+    _canUnpin: function() {
+        return this.props.mxRoom.currentState.mayClientSendStateEvent('m.room.pinned_events', MatrixClientPeg.get());
+    },
+    render: function() {
+        const sender = this.props.mxRoom.getMember(this.props.mxEvent.getSender());
+        const avatarSize = 40;
+
+        let unpinButton = null;
+        if (this._canUnpin()) {
+            unpinButton = <img src="img/cancel-red.svg" className="mx_PinnedEventTile_unpinButton" width="8" height="8"
+                               onClick={this.onUnpinClicked} alt={_t('Unpin Message')} title={_t('Unpin Message')} />;
+        }
+
+        return (
+            <div className="mx_PinnedEventTile">
+                <div className="mx_PinnedEventTile_actions">
+                    <AccessibleButton className="mx_PinnedEventTile_gotoButton mx_textButton" onClick={this.onTileClicked}>
+                        { _t("Jump to message") }
+                    </AccessibleButton>
+                    { unpinButton }
+                </div>
+
+                <MemberAvatar member={sender} width={avatarSize} height={avatarSize} />
+                <span className="mx_PinnedEventTile_sender">
+                    {sender.name}
+                </span>
+                <MessageEvent mxEvent={this.props.mxEvent} className="mx_PinnedEventTile_body" />
+            </div>
+        );
+    }
+});

src/components/views/rooms/PinnedEventsPanel.js

@@ -0,0 +1,101 @@
+/*
+Copyright 2017 Travis Ralston
+
+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 React from "react";
+import MatrixClientPeg from "../../../MatrixClientPeg";
+import AccessibleButton from "../elements/AccessibleButton";
+import PinnedEventTile from "./PinnedEventTile";
+import { _t } from '../../../languageHandler';
+
+module.exports = React.createClass({
+    displayName: 'PinnedEventsPanel',
+    propTypes: {
+        // The Room from the js-sdk we're going to show pinned events for
+        room: React.PropTypes.object.isRequired,
+
+        onCancelClick: React.PropTypes.func,
+    },
+
+    getInitialState: function() {
+        return {
+            loading: true,
+        };
+    },
+
+    componentDidMount: function() {
+        this._updatePinnedMessages();
+    },
+
+    _updatePinnedMessages: function() {
+        const pinnedEvents = this.props.room.currentState.getStateEvents("m.room.pinned_events", "");
+        if (!pinnedEvents || !pinnedEvents.getContent().pinned) {
+            this.setState({ loading: false, pinned: [] });
+        } else {
+            const promises = [];
+            const cli = MatrixClientPeg.get();
+
+            pinnedEvents.getContent().pinned.map(eventId => {
+                promises.push(cli.getEventTimeline(this.props.room.getUnfilteredTimelineSet(), eventId, 0).then(timeline => {
+                    const event = timeline.getEvents().find(e => e.getId() === eventId);
+                    return {eventId, timeline, event};
+                }).catch(err => {
+                    console.error("Error looking up pinned event " + eventId + " in room " + this.props.room.roomId);
+                    console.error(err);
+                    return null; // return lack of context to avoid unhandled errors
+                }));
+            });
+
+            Promise.all(promises).then(contexts => {
+                // Filter out the messages before we try to render them
+                const pinned = contexts.filter(context => {
+                    if (!context) return false; // no context == not applicable for the room
+                    if (context.event.getType() !== "m.room.message") return false;
+                    if (context.event.isRedacted()) return false;
+                    return true;
+                });
+
+                this.setState({ loading: false, pinned });
+            });
+        }
+    },
+
+    _getPinnedTiles: function() {
+        if (this.state.pinned.length == 0) {
+            return (<div>{ _t("No pinned messages.") }</div>);
+        }
+
+        return this.state.pinned.map(context => {
+            return (<PinnedEventTile key={context.event.getId()} mxRoom={this.props.room} mxEvent={context.event} onUnpinned={this._updatePinnedMessages} />);
+        });
+    },
+
+    render: function() {
+        let tiles = <div>{ _t("Loading...") }</div>;
+        if (this.state && !this.state.loading) {
+            tiles = this._getPinnedTiles();
+        }
+
+        return (
+            <div className="mx_PinnedEventsPanel">
+                <div className="mx_PinnedEventsPanel_body">
+                    <AccessibleButton className="mx_PinnedEventsPanel_cancel" onClick={this.props.onCancelClick}><img src="img/cancel.svg" width="18" height="18" /></AccessibleButton>
+                    <h3 className="mx_PinnedEventsPanel_header">{_t("Pinned Messages")}</h3>
+                    { tiles }
+                </div>
+            </div>
+        );
+    }
+});