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 UI_MESSAGE_CENTER_VIEWS_MESSAGE_VIEW_H_ 6 #define UI_MESSAGE_CENTER_VIEWS_MESSAGE_VIEW_H_ 7 8 #include "base/memory/scoped_ptr.h" 9 #include "base/strings/string16.h" 10 #include "ui/gfx/insets.h" 11 #include "ui/message_center/message_center_export.h" 12 #include "ui/message_center/notification.h" 13 #include "ui/views/controls/button/button.h" 14 #include "ui/views/controls/slide_out_view.h" 15 16 namespace ui { 17 class MenuModel; 18 } 19 20 namespace views { 21 class ImageButton; 22 class ImageView; 23 class Painter; 24 class ScrollView; 25 } 26 27 namespace message_center { 28 29 // Interface that MessageView uses to report clicks and other user actions. 30 // Provided by creator of MessageView. 31 class MessageViewController { 32 public: 33 virtual void ClickOnNotification(const std::string& notification_id) = 0; 34 virtual void RemoveNotification(const std::string& notification_id, 35 bool by_user) = 0; 36 }; 37 38 // Individual notifications constants. 39 const int kPaddingBetweenItems = 10; 40 const int kPaddingHorizontal = 18; 41 const int kWebNotificationButtonWidth = 32; 42 const int kWebNotificationIconSize = 40; 43 44 // An base class for a notification entry. Contains background, close button 45 // and other elements shared by derived notification views. 46 class MESSAGE_CENTER_EXPORT MessageView : public views::SlideOutView, 47 public views::ButtonListener { 48 public: 49 MessageView(MessageViewController* controller, 50 const std::string& notification_id, 51 const NotifierId& notifier_id, 52 const gfx::ImageSkia& small_image, 53 const base::string16& display_source); 54 virtual ~MessageView(); 55 56 // Updates this view with the new data contained in the notification. 57 virtual void UpdateWithNotification(const Notification& notification); 58 59 // Returns the insets for the shadow it will have for rich notification. 60 static gfx::Insets GetShadowInsets(); 61 62 // Creates a shadow around the notification. 63 void CreateShadowBorder(); 64 65 bool IsCloseButtonFocused(); 66 void RequestFocusOnCloseButton(); 67 set_accessible_name(const base::string16 & accessible_name)68 void set_accessible_name(const base::string16& accessible_name) { 69 accessible_name_ = accessible_name; 70 } 71 72 // Overridden from views::View: 73 virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE; 74 virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE; 75 virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE; 76 virtual bool OnKeyReleased(const ui::KeyEvent& event) OVERRIDE; 77 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; 78 virtual void OnFocus() OVERRIDE; 79 virtual void OnBlur() OVERRIDE; 80 virtual void Layout() OVERRIDE; 81 82 // Overridden from ui::EventHandler: 83 virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE; 84 85 // Overridden from ButtonListener: 86 virtual void ButtonPressed(views::Button* sender, 87 const ui::Event& event) OVERRIDE; 88 set_scroller(views::ScrollView * scroller)89 void set_scroller(views::ScrollView* scroller) { scroller_ = scroller; } notification_id()90 std::string notification_id() { return notification_id_; } notifier_id()91 NotifierId notifier_id() { return notifier_id_; } display_source()92 const base::string16& display_source() const { return display_source_; } 93 94 protected: 95 // Overridden from views::SlideOutView: 96 virtual void OnSlideOut() OVERRIDE; 97 small_image()98 views::ImageView* small_image() { return small_image_view_.get(); } close_button()99 views::ImageButton* close_button() { return close_button_.get(); } scroller()100 views::ScrollView* scroller() { return scroller_; } 101 102 private: 103 MessageViewController* controller_; 104 std::string notification_id_; 105 NotifierId notifier_id_; 106 views::View* background_view_; // Owned by views hierarchy. 107 scoped_ptr<views::ImageButton> close_button_; 108 scoped_ptr<views::ImageView> small_image_view_; 109 views::ScrollView* scroller_; 110 111 base::string16 accessible_name_; 112 113 base::string16 display_source_; 114 115 scoped_ptr<views::Painter> focus_painter_; 116 117 DISALLOW_COPY_AND_ASSIGN(MessageView); 118 }; 119 120 } // namespace message_center 121 122 #endif // UI_MESSAGE_CENTER_VIEWS_MESSAGE_VIEW_H_ 123