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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_GTK_FULLSCREEN_EXIT_BUBBLE_GTK_H_
      6 #define CHROME_BROWSER_UI_GTK_FULLSCREEN_EXIT_BUBBLE_GTK_H_
      7 #pragma once
      8 
      9 #include "base/timer.h"
     10 #include "chrome/browser/ui/gtk/slide_animator_gtk.h"
     11 #include "ui/base/gtk/gtk_signal.h"
     12 #include "ui/base/gtk/gtk_signal_registrar.h"
     13 
     14 typedef struct _GtkFloatingContainer GtkFloatingContainer;
     15 typedef struct _GtkWidget GtkWidget;
     16 
     17 // FullscreenExitBubbleGTK is responsible for showing a bubble atop the screen
     18 // in fullscreen mode, telling users how to exit and providing a click target.
     19 class FullscreenExitBubbleGtk {
     20  public:
     21   // We place the bubble in |container|.
     22   explicit FullscreenExitBubbleGtk(GtkFloatingContainer* container);
     23   virtual ~FullscreenExitBubbleGtk();
     24 
     25   void InitWidgets();
     26 
     27  private:
     28   GtkWidget* widget() const {
     29     return slide_widget_->widget();
     30   }
     31 
     32   // Hide the exit bubble.
     33   void Hide();
     34 
     35   CHROMEGTK_CALLBACK_1(FullscreenExitBubbleGtk, void, OnSetFloatingPosition,
     36                        GtkAllocation*);
     37   CHROMEGTK_CALLBACK_0(FullscreenExitBubbleGtk, void, OnLinkClicked);
     38 
     39   // A pointer to the floating container that is our parent.
     40   GtkFloatingContainer* container_;
     41 
     42   // The widget that animates the slide-out of fullscreen exit bubble.
     43   scoped_ptr<SlideAnimatorGtk> slide_widget_;
     44 
     45   // The timer that does the initial hiding of the exit bubble.
     46   base::OneShotTimer<FullscreenExitBubbleGtk> initial_delay_;
     47 
     48   ui::GtkSignalRegistrar signals_;
     49 };
     50 
     51 #endif  // CHROME_BROWSER_UI_GTK_FULLSCREEN_EXIT_BUBBLE_GTK_H_
     52