chrome/browser/ui/views/exclusive_access_bubble_views.h

   1 // Copyright (c) 2012 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_VIEWS_EXCLUSIVE_ACCESS_BUBBLE_VIEWS_H_
   6 #define CHROME_BROWSER_UI_VIEWS_EXCLUSIVE_ACCESS_BUBBLE_VIEWS_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "chrome/browser/ui/exclusive_access/exclusive_access_bubble.h"
  11 #include "content/public/browser/notification_observer.h"
  12 #include "content/public/browser/notification_registrar.h"
  13 #include "ui/views/widget/widget_observer.h"
  14
  15 class ExclusiveAccessBubbleViewsContext;
  16 class GURL;
  17 namespace gfx {
  18 class SlideAnimation;
  19 }
  20 namespace views {
  21 class View;
  22 class Widget;
  23 }
  24
  25 // ExclusiveAccessBubbleViews is responsible for showing a bubble atop the
  26 // screen in fullscreen/mouse lock mode, telling users how to exit and providing
  27 // a click target. The bubble auto-hides, and re-shows when the user moves to
  28 // the screen top.
  29 class ExclusiveAccessBubbleViews : public ExclusiveAccessBubble,
  30                                    public content::NotificationObserver,
  31                                    public views::WidgetObserver {
  32  public:
  33   ExclusiveAccessBubbleViews(ExclusiveAccessBubbleViewsContext* context,
  34                              const GURL& url,
  35                              ExclusiveAccessBubbleType bubble_type);
  36   ~ExclusiveAccessBubbleViews() override;
  37
  38   void UpdateContent(const GURL& url, ExclusiveAccessBubbleType bubble_type);
  39
  40   // Repositions |popup_| if it is visible.
  41   void RepositionIfVisible();
  42
  43   views::View* GetView();
  44
  45  private:
  46   class ExclusiveAccessView;
  47
  48   enum AnimatedAttribute {
  49     ANIMATED_ATTRIBUTE_BOUNDS,
  50     ANIMATED_ATTRIBUTE_OPACITY
  51   };
  52
  53   // Starts or stops polling the mouse location based on |popup_| and
  54   // |bubble_type_|.
  55   void UpdateMouseWatcher();
  56
  57   // Updates any state which depends on whether the user is in immersive
  58   // fullscreen.
  59   void UpdateForImmersiveState();
  60
  61   // Updates |popup|'s bounds given |animation_| and |animated_attribute_|.
  62   void UpdateBounds();
  63
  64   // Returns the root view containing |browser_view_|.
  65   views::View* GetBrowserRootView() const;
  66
  67   // FullScreenExitBubble overrides:
  68   void AnimationProgressed(const gfx::Animation* animation) override;
  69   void AnimationEnded(const gfx::Animation* animation) override;
  70   gfx::Rect GetPopupRect(bool ignore_animation_state) const override;
  71   gfx::Point GetCursorScreenPoint() override;
  72   bool WindowContainsPoint(gfx::Point pos) override;
  73   bool IsWindowActive() override;
  74   void Hide() override;
  75   void Show() override;
  76   bool IsAnimating() override;
  77   bool CanMouseTriggerSlideIn() const override;
  78
  79   // content::NotificationObserver override:
  80   void Observe(int type,
  81                const content::NotificationSource& source,
  82                const content::NotificationDetails& details) override;
  83
  84   // views::WidgetObserver override:
  85   void OnWidgetVisibilityChanged(views::Widget* widget, bool visible) override;
  86
  87   ExclusiveAccessBubbleViewsContext* const bubble_view_context_;
  88
  89   views::Widget* popup_;
  90
  91   // Animation controlling showing/hiding of the exit bubble.
  92   scoped_ptr<gfx::SlideAnimation> animation_;
  93
  94   // Attribute animated by |animation_|.
  95   AnimatedAttribute animated_attribute_;
  96
  97   // The contents of the popup.
  98   ExclusiveAccessView* view_;
  99
 100   content::NotificationRegistrar registrar_;
 101
 102   DISALLOW_COPY_AND_ASSIGN(ExclusiveAccessBubbleViews);
 103 };
 104
 105 #endif  // CHROME_BROWSER_UI_VIEWS_EXCLUSIVE_ACCESS_BUBBLE_VIEWS_H_