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// 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_EXTENSION_SHELF_GTK_H_
#define CHROME_BROWSER_GTK_EXTENSION_SHELF_GTK_H_
#include <gtk/gtk.h>
#include <set>
#include "base/scoped_ptr.h"
#include "chrome/browser/extensions/extension_shelf_model.h"
#include "chrome/common/notification_observer.h"
#include "chrome/common/notification_registrar.h"
#include "chrome/common/owned_widget_gtk.h"
class Browser;
class BrowserWindowGtk;
class CustomContainerButton;
class NineBox;
class Profile;
struct GtkThemeProvider;
class ExtensionShelfGtk : public ExtensionShelfModelObserver,
public NotificationObserver {
public:
ExtensionShelfGtk(Profile* profile, Browser* browser);
virtual ~ExtensionShelfGtk();
// Adds this GTK shelf into a sizing box.
void AddShelfToBox(GtkWidget* box);
// Change the visibility of the bookmarks bar. (Starts out hidden, per GTK's
// default behaviour).
void Show();
void Hide();
// ExtensionShelfModelObserver
virtual void ToolstripInsertedAt(ExtensionHost* host, int index);
virtual void ToolstripRemovingAt(ExtensionHost* host, int index);
virtual void ToolstripMoved(ExtensionHost* host,
int from_index,
int to_index);
virtual void ToolstripChanged(ExtensionShelfModel::iterator toolstrip);
virtual void ExtensionShelfEmpty();
virtual void ShelfModelReloaded();
virtual void ShelfModelDeleting();
private:
class Toolstrip;
// Create the contents of the extension shelf.
void Init(Profile* profile);
// Overridden from NotificationObserver:
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// Loads the background image into memory, or does nothing if already loaded.
void InitBackground();
// Determines what is our target height and sets it.
void AdjustHeight();
void LoadFromModel();
Toolstrip* ToolstripAtIndex(int index);
// GtkHBox callbacks.
static gboolean OnHBoxExpose(GtkWidget* widget, GdkEventExpose* event,
ExtensionShelfGtk* window);
Browser* browser_;
// Contains |shelf_hbox_|. Event box exists to prevent leakage of
// background color from the toplevel application window's GDK window.
OwnedWidgetGtk event_box_;
// Used to position all children.
GtkWidget* shelf_hbox_;
GtkThemeProvider* theme_provider_;
// Paints the background for our bookmark bar.
scoped_ptr<NineBox> background_ninebox_;
NotificationRegistrar registrar_;
// The model representing the toolstrips on the shelf.
ExtensionShelfModel* model_;
// Set of toolstrip views which are really on the shelf.
std::set<Toolstrip*> toolstrips_;
DISALLOW_COPY_AND_ASSIGN(ExtensionShelfGtk);
};
#endif // CHROME_BROWSER_EXTENSION_SHELF_GTK_H_
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