• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // Copyright (c) 2013 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 UI_MESSAGE_CENTER_VIEWS_TOAST_CONTENTS_VIEW_H_
6 #define UI_MESSAGE_CENTER_VIEWS_TOAST_CONTENTS_VIEW_H_
7 
8 #include "base/compiler_specific.h"
9 #include "base/memory/weak_ptr.h"
10 #include "ui/gfx/animation/animation_delegate.h"
11 #include "ui/gfx/native_widget_types.h"
12 #include "ui/gfx/point.h"
13 #include "ui/gfx/rect.h"
14 #include "ui/gfx/size.h"
15 #include "ui/message_center/views/message_center_controller.h"
16 #include "ui/views/widget/widget_delegate.h"
17 
18 namespace gfx {
19 class Animation;
20 class SlideAnimation;
21 }
22 
23 namespace views {
24 class View;
25 }
26 
27 namespace message_center {
28 
29 class MessagePopupCollection;
30 class MessageView;
31 class Notification;
32 
33 // The widget host for a popup. Also implements MessageCenterController
34 // which delegates over to MessagePopupCollection, but takes care about
35 // checking the weakref since MessagePopupCollection may disappear before
36 // widget/views are closed/destructed.
37 class ToastContentsView : public views::WidgetDelegateView,
38                           public MessageCenterController,
39                           public gfx::AnimationDelegate {
40  public:
41   // Computes the size of a toast assuming it will host the given view.
42   static gfx::Size GetToastSizeForView(const views::View* view);
43 
44   ToastContentsView(const std::string& notification_id,
45                     base::WeakPtr<MessagePopupCollection> collection);
46   virtual ~ToastContentsView();
47 
48   // Sets the inner view of the toast. If it has contents already,
49   // |a11y_feedback_for_updates| causes the view to notify that the
50   // accessibility message should be read after this update.
51   void SetContents(MessageView* view, bool a11y_feedback_for_updates);
52 
53   void UpdateContents(const Notification& notification,
54                       bool a11y_feedback_for_updates);
55 
56   // Shows the new toast for the first time, animated.
57   // |origin| is the right-bottom corner of the toast.
58   void RevealWithAnimation(gfx::Point origin);
59 
60   // Disconnectes the toast from the rest of the system immediately and start
61   // an animation. Once animation finishes, closes the widget.
62   void CloseWithAnimation();
63 
64   void SetBoundsWithAnimation(gfx::Rect new_bounds);
65 
66   // Origin and bounds are not 'instant', but rather 'current stable values',
67   // there could be animation in progress that targets these values.
origin()68   gfx::Point origin() { return origin_; }
bounds()69   gfx::Rect bounds() { return gfx::Rect(origin_, preferred_size_); }
70 
id()71   const std::string& id() { return id_; }
72 
73   // Overridden from views::View:
74   virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
75   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
76   virtual void Layout() OVERRIDE;
77   virtual gfx::Size GetPreferredSize() const OVERRIDE;
78   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
79 
80  private:
81   // Overridden from MessageCenterController:
82   virtual void ClickOnNotification(const std::string& notification_id) OVERRIDE;
83   virtual void RemoveNotification(const std::string& notification_id,
84                                   bool by_user) OVERRIDE;
85   virtual scoped_ptr<ui::MenuModel> CreateMenuModel(
86       const NotifierId& notifier_id,
87       const base::string16& display_source) OVERRIDE;
88   virtual bool HasClickedListener(const std::string& notification_id) OVERRIDE;
89   virtual void ClickOnNotificationButton(const std::string& notification_id,
90                                          int button_index) OVERRIDE;
91 
92   // Overridden from gfx::AnimationDelegate:
93   virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
94   virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE;
95   virtual void AnimationCanceled(const gfx::Animation* animation) OVERRIDE;
96 
97   // Overridden from views::WidgetDelegate:
98   virtual views::View* GetContentsView() OVERRIDE;
99   virtual void WindowClosing() OVERRIDE;
100   virtual void OnDisplayChanged() OVERRIDE;
101   virtual void OnWorkAreaChanged() OVERRIDE;
102 
103   // Initialization and update.
104   void CreateWidget(gfx::NativeView parent);
105 
106   // Immediately moves the toast without any sort of delay or animation.
107   void SetBoundsInstantly(gfx::Rect new_bounds);
108 
109   // Given the bounds of a toast on the screen, compute the bouds for that
110   // toast in 'closed' state. The 'closed' state is used as origin/destination
111   // in reveal/closing animations.
112   gfx::Rect GetClosedToastBounds(gfx::Rect bounds);
113 
114   void StartFadeIn();
115   void StartFadeOut();  // Will call Widget::Close() when animation ends.
116   void OnBoundsAnimationEndedOrCancelled(const gfx::Animation* animation);
117 
118   base::WeakPtr<MessagePopupCollection> collection_;
119 
120   // Id if the corresponding Notification.
121   std::string id_;
122 
123   scoped_ptr<gfx::SlideAnimation> bounds_animation_;
124   scoped_ptr<gfx::SlideAnimation> fade_animation_;
125 
126   bool is_animating_bounds_;
127   gfx::Rect animated_bounds_start_;
128   gfx::Rect animated_bounds_end_;
129   // Started closing animation, will close at the end.
130   bool is_closing_;
131   // Closing animation - when it ends, close the widget. Weak, only used
132   // for referential equality.
133   gfx::Animation* closing_animation_;
134 
135   gfx::Point origin_;
136   gfx::Size preferred_size_;
137 
138   DISALLOW_COPY_AND_ASSIGN(ToastContentsView);
139 };
140 
141 }  // namespace message_center
142 
143 #endif // UI_MESSAGE_CENTER_VIEWS_TOAST_CONTENTS_VIEW_H_
144