move non-Riot-specific components over from riot-web

src/components/views/globals/NewVersionBar.js

@@ -0,0 +1,107 @@
+/*
+Copyright 2015, 2016 OpenMarket 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.
+*/
+
+'use strict';
+
+import React from 'react';
+import sdk from 'matrix-react-sdk';
+import Modal from 'matrix-react-sdk/lib/Modal';
+import PlatformPeg from 'matrix-react-sdk/lib/PlatformPeg';
+import { _t } from 'matrix-react-sdk/lib/languageHandler';
+
+/**
+ * Check a version string is compatible with the Changelog
+ * dialog ([vectorversion]-react-[react-sdk-version]-js-[js-sdk-version])
+ */
+function checkVersion(ver) {
+    const parts = ver.split('-');
+    return parts.length == 5 && parts[1] == 'react' && parts[3] == 'js';
+}
+
+export default React.createClass({
+    propTypes: {
+        version: React.PropTypes.string.isRequired,
+        newVersion: React.PropTypes.string.isRequired,
+        releaseNotes: React.PropTypes.string,
+    },
+
+    displayReleaseNotes: function(releaseNotes) {
+        const QuestionDialog = sdk.getComponent('dialogs.QuestionDialog');
+        Modal.createTrackedDialog('Display release notes', '', QuestionDialog, {
+            title: _t("What's New"),
+            description: <div className="mx_MatrixToolbar_changelog">{releaseNotes}</div>,
+            button: _t("Update"),
+            onFinished: (update) => {
+                if(update && PlatformPeg.get()) {
+                    PlatformPeg.get().installUpdate();
+                }
+            }
+        });
+    },
+
+    displayChangelog: function() {
+        const ChangelogDialog = sdk.getComponent('dialogs.ChangelogDialog');
+        Modal.createTrackedDialog('Display Changelog', '', ChangelogDialog, {
+            version: this.props.version,
+            newVersion: this.props.newVersion,
+            onFinished: (update) => {
+                if(update && PlatformPeg.get()) {
+                    PlatformPeg.get().installUpdate();
+                }
+            }
+        });
+    },
+
+    onUpdateClicked: function() {
+        PlatformPeg.get().installUpdate();
+    },
+
+    render: function() {
+        let action_button;
+        // If we have release notes to display, we display them. Otherwise,
+        // we display the Changelog Dialog which takes two versions and
+        // automatically tells you what's changed (provided the versions
+        // are in the right format)
+        if (this.props.releaseNotes) {
+            action_button = (
+                <button className="mx_MatrixToolbar_action" onClick={this.displayReleaseNotes}>
+                    { _t("What's new?") }
+                </button>
+            );
+        } else if (checkVersion(this.props.version) && checkVersion(this.props.newVersion)) {
+            action_button = (
+                <button className="mx_MatrixToolbar_action" onClick={this.displayChangelog}>
+                    { _t("What's new?") }
+                </button>
+            );
+        } else if (PlatformPeg.get()) {
+            action_button = (
+                <button className="mx_MatrixToolbar_action" onClick={this.onUpdateClicked}>
+                    { _t("Update") }
+                </button>
+            );
+        }
+        return (
+            <div className="mx_MatrixToolbar">
+                <img className="mx_MatrixToolbar_warning" src="img/warning.svg" width="24" height="23" alt="Warning"/>
+                <div className="mx_MatrixToolbar_content">
+                    {_t("A new version of Riot is available.")}
+                </div>
+                {action_button}
+            </div>
+        );
+    }
+});