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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_TAB_CONTENTS_CONTAINER_GTK_H_
#define CHROME_BROWSER_GTK_TAB_CONTENTS_CONTAINER_GTK_H_
#include <gtk/gtk.h>
#include "base/basictypes.h"
#include "chrome/common/notification_observer.h"
class RenderViewHost;
class TabContents;
class TabContentsContainerGtk : public NotificationObserver {
public:
TabContentsContainerGtk();
~TabContentsContainerGtk();
// Inserts our GtkWidget* hierarchy into a GtkBox managed by our owner.
void AddContainerToBox(GtkWidget* widget);
// Make the specified tab visible.
void SetTabContents(TabContents* tab_contents);
TabContents* GetTabContents() const { return tab_contents_; }
// Remove the tab from the hierarchy.
void DetachTabContents(TabContents* tab_contents);
// NotificationObserver implementation.
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
private:
// Add or remove observers for events that we care about.
void AddObservers();
void RemoveObservers();
// Called when the RenderViewHost of the hosted TabContents has changed, e.g.
// to show an interstitial page.
void RenderViewHostChanged(RenderViewHost* old_host,
RenderViewHost* new_host);
// Called when a TabContents is destroyed. This gives us a chance to clean
// up our internal state if the TabContents is somehow destroyed before we
// get notified.
void TabContentsDestroyed(TabContents* contents);
// The currently visible TabContents.
TabContents* tab_contents_;
// We keep a GtkVBox which is inserted into this object's owner's GtkWidget
// hierarchy. We then insert and remove TabContents GtkWidgets into this
// vbox_.
GtkWidget* vbox_;
DISALLOW_COPY_AND_ASSIGN(TabContentsContainerGtk);
};
#endif // CHROME_BROWSER_GTK_TAB_CONTENTS_CONTAINER_GTK_H_
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