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// Copyright (c) 2006-2008 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_VIEWS_TAB_CONTENTS_CONTAINER_VIEW_H_
#define CHROME_BROWSER_VIEWS_TAB_CONTENTS_CONTAINER_VIEW_H_
namespace ChromeView {
class KeyEvent;
class View;
}
class RenderViewHost;
class TabContents;
#include "chrome/common/notification_registrar.h"
#include "views/controls/hwnd_view.h"
#include "views/event.h"
#include "views/focus/focus_manager.h"
// This View contains the TabContents.
// It takes care of linking the TabContents to the browser RootView so that the
// focus can traverse from one to the other when pressing Tab/Shift-Tab.
class TabContentsContainerView : public views::HWNDView,
public NotificationObserver {
public:
TabContentsContainerView();
virtual ~TabContentsContainerView();
// Make the specified tab visible.
void SetTabContents(TabContents* tab_contents);
TabContents* GetTabContents() const { return tab_contents_; }
// Overridden from View.
virtual views::FocusTraversable* GetFocusTraversable();
virtual bool IsFocusable() const;
virtual void Focus();
virtual void RequestFocus();
virtual void AboutToRequestFocusFromTabTraversal(bool reverse);
virtual bool GetAccessibleRole(AccessibilityTypes::Role* role);
// Overridden from HWNDView.
virtual views::FocusTraversable* GetFocusTraversableParent();
virtual views::View* GetFocusTraversableParentView();
// NotificationObserver implementation.
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
protected:
// Web content should be given first crack at accelerators. This function
// returns true if not the sad tab.
virtual bool SkipDefaultKeyEventProcessing(const views::KeyEvent& e);
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);
// Handles registering for our notifications.
NotificationRegistrar registrar_;
// The current TabContents shown.
TabContents* tab_contents_;
DISALLOW_COPY_AND_ASSIGN(TabContentsContainerView);
};
#endif // CHROME_BROWSER_VIEWS_TAB_CONTENTS_CONTAINER_VIEW_H_
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