(function() {


/*
 * An update bubble showing an update to the review request or a review.
 */
var UpdatesBubbleView = Backbone.View.extend({
    id: 'updates-bubble',

    template: _.template([
        '<span id="updates-bubble-summary"><%- summary %></span>',
        ' by ',
        '<a href="<%= user.url %>" id="updates-bubble-user">',
        '<%= user.fullname || user.username %>',
        '</a>',
        '<span id="updates-bubble-buttons">',
        ' <a href="#" class="update-page"><%- updatePageText %></a>',
        ' | ',
        ' <a href="#" class="ignore"><%- ignoreText %></a>'
    ].join('')),

    events: {
        'click .update-page': '_onUpdatePageClicked',
        'click .ignore': '_onIgnoreClicked'
    },

    /*
     * Renders the bubble with the information provided during construction.
     *
     * The bubble starts hidden. The caller must call open() to display it.
     */
    render: function() {
        this.$el
            .html(this.template(_.defaults({
                updatePageText: gettext('Update Page'),
                ignoreText: gettext('Ignore')
            }, this.options.updateInfo)))
            .hide();

        return this;
    },

    /*
     * Opens the bubble on the screen.
     */
    open: function() {
        this.$el
            .css('position', 'fixed')
            .fadeIn();
    },

    /*
     * Closes the update bubble.
     *
     * After closing, the bubble will be removed from the DOM.
     */
    close: function() {
        this.trigger('closed');
        this.$el.fadeOut(_.bind(this.remove, this));
    },

    /*
     * Handler for when the "Update Page" link is clicked.
     *
     * Loads the review request page.
     */
    _onUpdatePageClicked: function(e) {
        e.preventDefault();
        e.stopPropagation();

        this.trigger('updatePage');
    },

    /*
     * Handler for when the "Ignore" link is clicked.
     *
     * Ignores the update and closes the page.
     */
    _onIgnoreClicked: function(e) {
        e.preventDefault();
        e.stopPropagation();

        this.close();
    }
});


/*
 * A page managing reviewable content for a review request.
 *
 * This provides common functionality for any page associated with a review
 * request, such as the diff viewer, review UI, or the review request page
 * itself.
 */
RB.ReviewablePageView = Backbone.View.extend({
    events: {
        'click #review-link': '_onEditReviewClicked',
        'click #shipit-link': '_onShipItClicked'
    },

    /*
     * Initializes the page.
     *
     * This will construct a ReviewRequest, CommentIssueManager,
     * ReviewRequestEditor, and other required objects, based on data
     * provided during construction.
     *
     * This requires the following options:
     *
     *     * reviewRequestData
     *       - The model attributes that will populate a ReviewRequest.
     *
     *     * editorData
     *       - The model attributes that will populate a ReviewRequestEditor.
     *
     *     * lastActivityTimestamp
     *       - The last known timestamp indicating activity on this
     *         review request.
     *
     * The following options are optional:
     *
     *     * checkUpdatesType
     *       - The type of updates to look for.
     */
    initialize: function() {
        console.assert(this.options.reviewRequestData);
        console.assert(this.options.editorData);

        this.reviewRequest =
            new RB.ReviewRequest(this.options.reviewRequestData);

        this.pendingReview = this.reviewRequest.createReview();
        this.commentIssueManager = new RB.CommentIssueManager({
            reviewRequest: this.reviewRequest
        });

        this.reviewRequestEditor = new RB.ReviewRequestEditor(
            _.defaults({
                commentIssueManager: this.commentIssueManager,
                reviewRequest: this.reviewRequest
            }, this.options.editorData));

        this.reviewRequestEditorView = new RB.ReviewRequestEditorView({
            el: $('#review_request'),
            model: this.reviewRequestEditor
        });

        this._updatesBubble = null;
        this._favIconURL = null;
        this._favIconNotifyURL = null;

        /* XXX This is needed until other code is moved over. */
        window.gReviewRequest = this.reviewRequest;
    },

    /*
     * Renders the page.
     */
    render: function() {
        var $favicon = $('head').find('link[rel=icon]');

        this._favIconURL = $favicon.attr('href');
        this._favIconNotifyURL = STATIC_URLS['rb/images/favicon_notify.ico'];

        this.draftReviewBanner = RB.DraftReviewBannerView.create({
            el: $('#review-banner'),
            model: this.pendingReview,
            reviewRequestEditor: this.reviewRequestEditor
        });

        this.listenTo(this.pendingReview, 'destroy published', function() {
            this.draftReviewBanner.hideAndReload();
        });

        this.reviewRequestEditorView.render();

        this._registerForUpdates();

        return this;
    },

    /*
     * Registers for update notifications to the review request from the
     * server.
     *
     * The server will be periodically checked for new updates. When a new
     * update arrives, an update bubble will be displayed in the bottom-right
     * of the page with the information.
     */
    _registerForUpdates: function() {
        this.listenTo(this.reviewRequest, 'updated', function(info) {
            this._updateFavIcon(this._faviconNotifyURL);

            if (this._updatesBubble) {
                this._updatesBubble.remove();
            }

            this._updatesBubble = new UpdatesBubbleView({
                updateInfo: info,
                reviewRequest: this.reviewRequest
            });

            this.listenTo(this._updatesBubble, 'closed', function() {
                this._updateFavIcon(this._favIconURL);
            });

            this.listenTo(this._updatesBubble, 'updatePage', function() {
                window.location = this.reviewRequest.get('reviewURL');
            });

            this._updatesBubble.render().$el.appendTo(this.$el);
            this._updatesBubble.open();
        });

        this.reviewRequest.beginCheckForUpdates(
            this.options.checkUpdatesType,
            this.options.lastActivityTimestamp);
    },

    /*
     * Updates the favicon for the page.
     *
     * This is used to change the favicon shown on the page based on whether
     * there's a server-side update notification for the review request.
     */
    _updateFavIcon: function(url) {
        $('head')
            .find('link[rel=icon]')
                .remove()
            .end()
            .append($('<link/>')
                .attr({
                    href: url,
                    rel: 'icon',
                    type: 'image/x-icon'
                }));
    },

    /*
     * Handler for when Edit Review is clicked.
     *
     * Displays a review dialog.
     */
    _onEditReviewClicked: function() {
        RB.ReviewDialogView.create({
            review: this.pendingReview,
            reviewRequestEditor: this.reviewRequestEditor
        });

        return false;
    },

    /*
     * Handler for when Ship It is clicked.
     *
     * Confirms that the user wants to post the review, and then posts it
     * and reloads the page.
     */
    _onShipItClicked: function() {
        if (confirm(gettext('Are you sure you want to post this review?'))) {
            this.pendingReview.ready({
                ready: function() {
                    this.pendingReview.set({
                        shipIt: true,
                        bodyTop: gettext('Ship It!')
                    });
                    this.pendingReview.publish();
                }
            }, this);
        }

        return false;
    }
});


})();

@@ -4446,20 +4446,31 @@
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Fix updating the favicon when there's a notification.