GTK: Browser actions toolbar.

We don't have html popups yet but clicking should work (e.g. print button works).

TODO: port browser_action in proc browser test.
TODO: badges

BUG=23882
TEST=loaded gmail browser action extension, loaded print bookmark bar extension, loaded them both, unloaded, disabled, enabled, etc.

Review URL: http://codereview.chromium.org/273025

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@28869 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 71 insertions, 0 deletions

diff --git a/chrome/browser/gtk/browser_actions_toolbar_gtk.h b/chrome/browser/gtk/browser_actions_toolbar_gtk.h
new file mode 100644
index 0000000..4210889
--- /dev/null
+++ b/chrome/browser/gtk/browser_actions_toolbar_gtk.h
@@ -0,0 +1,71 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_GTK_BROWSER_ACTIONS_TOOLBAR_GTK_H_
+#define CHROME_BROWSER_GTK_BROWSER_ACTIONS_TOOLBAR_GTK_H_
+
+#include <map>
+#include <string>
+
+#include "base/linked_ptr.h"
+#include "chrome/common/notification_observer.h"
+#include "chrome/common/notification_registrar.h"
+#include "chrome/common/owned_widget_gtk.h"
+
+class Browser;
+class BrowserActionButton;
+class Extension;
+class Profile;
+
+typedef struct _GtkWidget GtkWidget;
+
+class BrowserActionsToolbarGtk : public NotificationObserver {
+ public:
+  explicit BrowserActionsToolbarGtk(Browser* browser);
+  ~BrowserActionsToolbarGtk();
+
+  GtkWidget* widget() { return hbox_.get(); }
+
+  int button_count() { return extension_button_map_.size(); }
+
+  // NotificationObserver implementation.
+  void Observe(NotificationType type,
+               const NotificationSource& source,
+               const NotificationDetails& details);
+
+ private:
+  // Query the extensions service for all extensions with browser actions,
+  // and create the UI for them.
+  void CreateAllButtons();
+
+  // Create the UI for a single browser action. This will stick the button
+  // at the end of the toolbar.
+  // TODO(estade): is this OK, or does it need to place it in a specific
+  // location on the toolbar?
+  void CreateButtonForExtension(Extension* extension);
+
+  // Delete resources associated with UI for a browser action.
+  void RemoveButtonForExtension(Extension* extension);
+
+  // Change the visibility of widget() based on whether we have any buttons
+  // to show.
+  void UpdateVisibility();
+
+  Browser* browser_;
+
+  Profile* profile_;
+
+  OwnedWidgetGtk hbox_;
+
+  NotificationRegistrar registrar_;
+
+  // Map from extension ID to BrowserActionButton, which is a wrapper for
+  // a chrome button and related functionality. There should be one entry
+  // for every extension that has a browser action.
+  std::map<std::string, linked_ptr<BrowserActionButton> > extension_button_map_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserActionsToolbarGtk);
+};
+
+#endif  // CHROME_BROWSER_GTK_BROWSER_ACTIONS_TOOLBAR_GTK_H_