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// Copyright (c) 2012 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_GTK_ZOOM_BUBBLE_GTK_H_
#define CHROME_BROWSER_UI_GTK_ZOOM_BUBBLE_GTK_H_
#include "base/basictypes.h"
#include "base/memory/weak_ptr.h"
#include "base/timer.h"
#include "chrome/browser/ui/gtk/bubble/bubble_gtk.h"
#include "chrome/browser/ui/gtk/gtk_theme_service.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/base/gtk/gtk_signal.h"
class Profile;
typedef struct _GtkWidget GtkWidget;
class ZoomBubbleGtk : public BubbleDelegateGtk,
public content::NotificationObserver {
public:
// Shows the zoom bubble, pointing at |anchor_widget|.
static void Show(GtkWidget* anchor, Profile* profile,
int zoomPercent, bool auto_close);
// Closes the zoom bubble.
static void Close();
// BubbleDelegateGtk:
virtual void BubbleClosing(BubbleGtk* bubble, bool closed_by_escape) OVERRIDE;
// content::NotificationObserver:
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
private:
ZoomBubbleGtk(GtkWidget* anchor,
Profile* profile,
int zoom_percent,
bool auto_close);
virtual ~ZoomBubbleGtk();
// Closes the zoom bubble.
void CloseBubble();
// Notified when |content_| is destroyed so this instance can be deleted.
CHROMEGTK_CALLBACK_0(ZoomBubbleGtk, void, OnDestroy);
// Whether the currently displayed bubble will automatically close.
bool auto_close_;
// Timer used to close the bubble when |auto_close_| is true.
base::OneShotTimer<ZoomBubbleGtk> timer_;
// Provides colors.
GtkThemeService* theme_service_;
// Label showing zoom percentage.
GtkWidget* label_;
// The BubbleGtk object containing the zoom bubble's content.
BubbleGtk* bubble_;
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(ZoomBubbleGtk);
};
#endif // CHROME_BROWSER_UI_GTK_ZOOM_BUBBLE_GTK_H_
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