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_NOTIFICATION_VIEW_H_ 6 #define UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_VIEW_H_ 7 8 #include <vector> 9 10 #include "ui/message_center/message_center_export.h" 11 #include "ui/message_center/views/message_view.h" 12 13 namespace views { 14 class ProgressBar; 15 } 16 17 namespace message_center { 18 19 class BoundedLabel; 20 class MessageCenter; 21 class MessageCenterController; 22 class NotificationButton; 23 class NotificationView; 24 class PaddedButton; 25 26 // View that displays all current types of notification (web, basic, image, and 27 // list). Future notification types may be handled by other classes, in which 28 // case instances of those classes would be returned by the Create() factory 29 // method below. 30 class MESSAGE_CENTER_EXPORT NotificationView : public MessageView, 31 public MessageViewController { 32 public: 33 // Creates appropriate MessageViews for notifications. Those currently are 34 // always NotificationView instances but in the future 35 // may be instances of other classes, with the class depending on the 36 // notification type. A notification is top level if it needs to be rendered 37 // outside the browser window. No custom shadows are created for top level 38 // notifications on Linux with Aura. 39 // |controller| may be NULL, but has to be set before the view is shown. 40 static NotificationView* Create(MessageCenterController* controller, 41 const Notification& notification, 42 bool top_level); 43 virtual ~NotificationView(); 44 45 // Overridden from views::View: 46 virtual gfx::Size GetPreferredSize() const OVERRIDE; 47 virtual int GetHeightForWidth(int width) const OVERRIDE; 48 virtual void Layout() OVERRIDE; 49 virtual void OnFocus() OVERRIDE; 50 virtual void ScrollRectToVisible(const gfx::Rect& rect) OVERRIDE; 51 virtual views::View* GetEventHandlerForRect(const gfx::Rect& rect) OVERRIDE; 52 virtual gfx::NativeCursor GetCursor(const ui::MouseEvent& event) OVERRIDE; 53 54 // Overridden from MessageView: 55 virtual void UpdateWithNotification( 56 const Notification& notification) OVERRIDE; 57 virtual void ButtonPressed(views::Button* sender, 58 const ui::Event& event) OVERRIDE; 59 60 // Overridden from MessageViewController: 61 virtual void ClickOnNotification(const std::string& notification_id) OVERRIDE; 62 virtual void RemoveNotification(const std::string& notification_id, 63 bool by_user) OVERRIDE; 64 set_controller(MessageCenterController * controller)65 void set_controller(MessageCenterController* controller) { 66 controller_ = controller; 67 } 68 69 protected: 70 NotificationView(MessageCenterController* controller, 71 const Notification& notification); 72 73 private: 74 FRIEND_TEST_ALL_PREFIXES(NotificationViewTest, CreateOrUpdateTest); 75 FRIEND_TEST_ALL_PREFIXES(NotificationViewTest, TestLineLimits); 76 FRIEND_TEST_ALL_PREFIXES(NotificationViewTest, UpdateButtonsStateTest); 77 FRIEND_TEST_ALL_PREFIXES(NotificationViewTest, UpdateButtonCountTest); 78 79 friend class NotificationViewTest; 80 81 void CreateOrUpdateViews(const Notification& notification); 82 void SetAccessibleName(const Notification& notification); 83 84 void CreateOrUpdateTitleView(const Notification& notification); 85 void CreateOrUpdateMessageView(const Notification& notification); 86 void CreateOrUpdateContextMessageView(const Notification& notification); 87 void CreateOrUpdateProgressBarView(const Notification& notification); 88 void CreateOrUpdateListItemViews(const Notification& notification); 89 void CreateOrUpdateIconView(const Notification& notification); 90 void CreateOrUpdateImageView(const Notification& notification); 91 void CreateOrUpdateActionButtonViews(const Notification& notification); 92 93 int GetMessageLineLimit(int title_lines, int width) const; 94 int GetMessageHeight(int width, int limit) const; 95 96 MessageCenterController* controller_; // Weak, lives longer then views. 97 98 // Describes whether the view should display a hand pointer or not. 99 bool clickable_; 100 101 // Weak references to NotificationView descendants owned by their parents. 102 views::View* top_view_; 103 BoundedLabel* title_view_; 104 BoundedLabel* message_view_; 105 BoundedLabel* context_message_view_; 106 std::vector<views::View*> item_views_; 107 views::View* icon_view_; 108 views::View* bottom_view_; 109 views::View* image_view_; 110 views::ProgressBar* progress_bar_view_; 111 std::vector<NotificationButton*> action_buttons_; 112 std::vector<views::View*> separators_; 113 114 DISALLOW_COPY_AND_ASSIGN(NotificationView); 115 }; 116 117 } // namespace message_center 118 119 #endif // UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_VIEW_H_ 120