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// Copyright (c) 2011 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_UI_VIEWS_INFOBARS_INFOBAR_CONTAINER_H_
#define CHROME_BROWSER_UI_VIEWS_INFOBARS_INFOBAR_CONTAINER_H_
#pragma once
#include <set>
#include "chrome/browser/ui/views/accessible_pane_view.h"
#include "chrome/common/notification_observer.h"
#include "chrome/common/notification_registrar.h"
#include "views/view.h"
class BrowserView;
class InfoBar;
class InfoBarDelegate;
class InfoBarView;
class TabContents;
// A views::View subclass that contains a collection of InfoBars associated with
// a TabContents.
class InfoBarContainer : public AccessiblePaneView,
public NotificationObserver {
public:
// The delegate is notified each time InfoBarContainer::OnInfoBarAnimated() is
// called.
class Delegate {
public:
virtual void InfoBarContainerSizeChanged(bool is_animating) = 0;
protected:
virtual ~Delegate();
};
explicit InfoBarContainer(Delegate* delegate);
virtual ~InfoBarContainer();
// Changes the TabContents for which this container is showing infobars. This
// will remove all current infobars from the container, add the infobars from
// |contents|, and show them all. |contents| may be NULL.
void ChangeTabContents(TabContents* contents);
// Called when a contained infobar has animated. The container is expected to
// do anything necessary to respond to the infobar's possible size change,
// e.g. re-layout.
void OnInfoBarAnimated(bool done);
// Remove the specified InfoBarDelegate from the selected TabContents. This
// will notify us back and cause us to close the InfoBar. This is called from
// the InfoBar's close button handler.
void RemoveDelegate(InfoBarDelegate* delegate);
// Called by |infobar| to request that it be removed from the container, as it
// is about to delete itself. At this point, |infobar| should already be
// hidden.
void RemoveInfoBar(InfoBarView* infobar);
// Paint the InfoBar arrows on |canvas|. |arrow_center_x| indicates
// the desired location of the center of the arrow in the
// |outer_view| coordinate system.
void PaintInfoBarArrows(gfx::Canvas* canvas,
View* outer_view,
int arrow_center_x);
private:
typedef std::set<InfoBarView*> InfoBars;
// AccessiblePaneView:
virtual gfx::Size GetPreferredSize();
virtual void Layout();
virtual AccessibilityTypes::Role GetAccessibleRole();
// NotificationObserver:
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// 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);
// Adds |infobar| to this container and calls Show() on it. |animate| is
// passed along to infobar->Show(). Depending on the value of
// |callback_status|, this calls infobar->set_container(this) either before or
// after the call to Show() so that OnInfoBarAnimated() either will or won't
// be called as a result.
enum CallbackStatus { NO_CALLBACK, WANT_CALLBACK };
void AddInfoBar(InfoBar* infobar,
bool animate,
CallbackStatus callback_status);
NotificationRegistrar registrar_;
Delegate* delegate_;
TabContents* tab_contents_;
InfoBars infobars_;
DISALLOW_COPY_AND_ASSIGN(InfoBarContainer);
};
#endif // CHROME_BROWSER_UI_VIEWS_INFOBARS_INFOBAR_CONTAINER_H_
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