[gnome-documents] preview: add Zoom In and Zoom Out actions to the preview menu

[Cosimo Cecchi <cosimoc src gnome org>]

commit 210e64625267cbddaf11ffa1f234d1f00734c696
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Thu Jul 19 15:44:38 2012 -0400

    preview: add Zoom In and Zoom Out actions to the preview menu

 src/application.js |   10 +++++++---
 src/preview.js     |   28 ++++++++++++++++++++++++++--
 2 files changed, 33 insertions(+), 5 deletions(-)
---
diff --git a/src/application.js b/src/application.js
index 18d86c3..f384441 100644
--- a/src/application.js
+++ b/src/application.js
@@ -145,7 +145,9 @@ const Application = new Lang.Class({
             { name: 'search',
               callback: this._onActionSearch,
               state: GLib.Variant.new('b', false),
-              accel: '<Primary>f' }
+              accel: '<Primary>f' },
+            { name: 'zoom-in', accel: '<Primary>plus' },
+            { name: 'zoom-out', accel: '<Primary>minus' }
         ];
 
         actionEntries.forEach(Lang.bind(this,
@@ -164,11 +166,13 @@ const Application = new Lang.Class({
                 if (actionEntry.create_hook)
                     actionEntry.create_hook.apply(this, [action]);
 
-                action.connect('activate', Lang.bind(this, actionEntry.callback));
-                this.add_action(action);
+                if (actionEntry.callback)
+                    action.connect('activate', Lang.bind(this, actionEntry.callback));
 
                 if (actionEntry.accel)
                     this.add_accelerator(actionEntry.accel, 'app.' + actionEntry.name, null);
+
+                this.add_action(action);
             }));
     },
 
diff --git a/src/preview.js b/src/preview.js
index b3ab4a1..9470afd 100644
--- a/src/preview.js
+++ b/src/preview.js
@@ -52,6 +52,20 @@ const PreviewView = new Lang.Class({
 
         this._createView();
         this.widget.show_all();
+
+        this._zoomIn = Global.application.lookup_action('zoom-in');
+        this._zoomIn.connect('activate', Lang.bind(this,
+            function() {
+                this._model.set_sizing_mode(EvView.SizingMode.FREE);
+                this.view.zoom_in();
+            }));
+
+        this._zoomOut = Global.application.lookup_action('zoom-out');
+        this._zoomOut.connect('activate', Lang.bind(this,
+            function() {
+                this._model.set_sizing_mode(EvView.SizingMode.FREE);
+                this.view.zoom_out();
+            }));
     },
 
     _createView: function() {
@@ -299,8 +313,18 @@ const PreviewToolbar = new Lang.Class({
 
         // menu button, on the right of the toolbar
         let menuModel = new Gio.Menu();
-        menuModel.append_item(Gio.MenuItem.new(this._getOpenItemLabel(), 'app.open-current'));
-        menuModel.append_item(Gio.MenuItem.new(_("Print"), 'app.print-current'));
+
+        let section = new Gio.Menu();
+        menuModel.append_section(null, section);
+
+        section.append_item(Gio.MenuItem.new(this._getOpenItemLabel(), 'app.open-current'));
+        section.append_item(Gio.MenuItem.new(_("Print"), 'app.print-current'));
+
+        section = new Gio.Menu();
+        menuModel.append_section(null, section);
+
+        section.append_item(Gio.MenuItem.new(_("Zoom In"), 'app.zoom-in'));
+        section.append_item(Gio.MenuItem.new(_("Zoom Out"), 'app.zoom-out'));
 
         let menuButton = this.widget.add_menu('emblem-system-symbolic', null, false);
         menuButton.set_menu_model(menuModel);