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// Copyright (c) 2010 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_INFOBARS_INFOBAR_CONTAINER_H_
#define CHROME_BROWSER_VIEWS_INFOBARS_INFOBAR_CONTAINER_H_
#include "chrome/common/notification_registrar.h"
#include "views/view.h"
class BrowserView;
class InfoBarDelegate;
class TabContents;
// A views::View subclass that contains a collection of InfoBars associated with
// a TabContents.
class InfoBarContainer : public views::View,
public NotificationObserver {
public:
// Implement this interface when you want to receive notifications from the
// InfoBarContainer
class Delegate {
public:
virtual ~Delegate() {}
virtual void InfoBarSizeChanged(bool is_animating) = 0;
};
explicit InfoBarContainer(Delegate* delegate);
virtual ~InfoBarContainer();
// Changes the TabContents for which this container is showing InfoBars. Can
// be NULL.
void ChangeTabContents(TabContents* contents);
// Called by child InfoBars as they animate. If |completed| is true, the
// animation has finished running.
void InfoBarAnimated(bool completed);
// Remove the specified InfoBarDelegate from the selected TabContents. This
// will notify us back and cause us to close the View. This is called from
// the InfoBar's close button handler.
void RemoveDelegate(InfoBarDelegate* delegate);
// Overridden from views::View:
virtual gfx::Size GetPreferredSize();
virtual void Layout();
virtual bool GetAccessibleRole(AccessibilityTypes::Role* role);
protected:
virtual void ViewHierarchyChanged(bool is_add,
views::View* parent,
views::View* child);
private:
// Overridden from NotificationObserver:
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// Constructs the InfoBars needed to reflect the state of the current
// TabContents associated with this container. No animations are run during
// this process.
void UpdateInfoBars();
// Adds an InfoBar for the specified delegate, in response to a notification
// from the selected TabContents. The InfoBar's appearance will be animated
// if |use_animation| is true.
void AddInfoBar(InfoBarDelegate* delegate, bool use_animation);
// Removes an InfoBar for the specified delegate, in response to a
// notification from the selected TabContents. The InfoBar's disappearance
// will be animated if |use_animation| is true.
void RemoveInfoBar(InfoBarDelegate* delegate, bool use_animation);
// Replaces an InfoBar for the specified delegate with a new one. There is no
// animation.
void ReplaceInfoBar(InfoBarDelegate* old_delegate,
InfoBarDelegate* new_delegate);
NotificationRegistrar registrar_;
// The Delegate which receives notifications from the InfoBarContainer.
Delegate* delegate_;
// The TabContents for which we are currently showing InfoBars.
TabContents* tab_contents_;
DISALLOW_COPY_AND_ASSIGN(InfoBarContainer);
};
#endif // CHROME_BROWSER_VIEWS_INFOBARS_INFOBAR_CONTAINER_H_
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