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  private:
  44   class ExclusiveAccessView;
  45
  46   enum AnimatedAttribute {
  47     ANIMATED_ATTRIBUTE_BOUNDS,
  48     ANIMATED_ATTRIBUTE_OPACITY
  49   };
  50
  51   // Starts or stops polling the mouse location based on |popup_| and
  52   // |bubble_type_|.
  53   void UpdateMouseWatcher();
  54
  55   // Updates any state which depends on whether the user is in immersive
  56   // fullscreen.
  57   void UpdateForImmersiveState();
  58
  59   // Updates |popup|'s bounds given |animation_| and |animated_attribute_|.
  60   void UpdateBounds();
  61
  62   // Returns the root view containing |browser_view_|.
  63   views::View* GetBrowserRootView() const;
  64
  65   // FullScreenExitBubble overrides:
  66   void AnimationProgressed(const gfx::Animation* animation) override;
  67   void AnimationEnded(const gfx::Animation* animation) override;
  68   gfx::Rect GetPopupRect(bool ignore_animation_state) const override;
  69   gfx::Point GetCursorScreenPoint() override;
  70   bool WindowContainsPoint(gfx::Point pos) override;
  71   bool IsWindowActive() override;
  72   void Hide() override;
  73   void Show() override;
  74   bool IsAnimating() override;
  75   bool CanMouseTriggerSlideIn() const override;
  76
  77   // content::NotificationObserver override:
  78   void Observe(int type,
  79                const content::NotificationSource& source,
  80                const content::NotificationDetails& details) override;
  81
  82   // views::WidgetObserver override:
  83   void OnWidgetVisibilityChanged(views::Widget* widget, bool visible) override;
  84
  85   ExclusiveAccessBubbleViewsContext* const bubble_view_context_;
  86
  87   views::Widget* popup_;
  88
  89   // Animation controlling showing/hiding of the exit bubble.
  90   scoped_ptr<gfx::SlideAnimation> animation_;
  91
  92   // Attribute animated by |animation_|.
  93   AnimatedAttribute animated_attribute_;
  94
  95   // The contents of the popup.
  96   ExclusiveAccessView* view_;
  97
  98   content::NotificationRegistrar registrar_;
  99
 100   DISALLOW_COPY_AND_ASSIGN(ExclusiveAccessBubbleViews);
 101 };
 102
 103 #endif  // CHROME_BROWSER_UI_VIEWS_EXCLUSIVE_ACCESS_BUBBLE_VIEWS_H_