Initial implementation of new-style notification

ui/message_center/views/notification_view_md.h

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_VIEW_MD_H_
+#define UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_VIEW_MD_H_
+
+#include <vector>
+
+#include "base/gtest_prod_util.h"
+#include "base/macros.h"
+#include "ui/message_center/message_center_export.h"
+#include "ui/message_center/views/message_view.h"
+#include "ui/views/controls/button/button.h"
+#include "ui/views/controls/button/image_button.h"
+#include "ui/views/view_targeter_delegate.h"
+
+namespace views {
+class BoxLayout;
+class ImageView;
+}
+
+namespace message_center {
+
+class BoundedLabel;
+class NotificationButton;
+
+// View that displays all current types of notification (web, basic, image, and
+// list) except the custom notification. Future notification types may be
+// handled by other classes, in which case instances of those classes would be
+// returned by the Create() factory method below.
+class MESSAGE_CENTER_EXPORT NotificationViewMD
+    : public MessageView,
+      public views::ButtonListener,
+      public views::ViewTargeterDelegate {
+ public:
+  NotificationViewMD(MessageCenterController* controller,
+                     const Notification& notification);
+  ~NotificationViewMD() override;
+
+  // Overridden from views::View:
+  void Layout() override;
+  void OnFocus() override;
+  void ScrollRectToVisible(const gfx::Rect& rect) override;
+  gfx::NativeCursor GetCursor(const ui::MouseEvent& event) override;
+  void OnMouseEntered(const ui::MouseEvent& event) override;
+  void OnMouseExited(const ui::MouseEvent& event) override;
+
+  // Overridden from MessageView:
+  void UpdateWithNotification(const Notification& notification) override;
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
+  bool IsCloseButtonFocused() const override;
+  void RequestFocusOnCloseButton() override;
+  void UpdateControlButtonsVisibility() override;
+
+  // views::ViewTargeterDelegate:
+  views::View* TargetForRect(views::View* root, const gfx::Rect& rect) override;
+
+ private:
+  void CreateOrUpdateViews(const Notification& notification);
+
+  void CreateOrUpdateContextTitleView(const Notification& notification);
+  void CreateOrUpdateTitleView(const Notification& notification);
+  void CreateOrUpdateMessageView(const Notification& notification);
+  void CreateOrUpdateProgressBarView(const Notification& notification);
+  void CreateOrUpdateListItemViews(const Notification& notification);
+  void CreateOrUpdateIconView(const Notification& notification);
+  void CreateOrUpdateSmallIconView(const Notification& notification);
+  void CreateOrUpdateImageView(const Notification& notification);
+  void CreateOrUpdateActionButtonViews(const Notification& notification);
+  void CreateOrUpdateCloseButtonView(const Notification& notification);
+  void CreateOrUpdateSettingsButtonView(const Notification& notification);
+
+  // Describes whether the view should display a hand pointer or not.
+  bool clickable_;
+
+  // Views in the top view
+  views::BoxLayout* layout_ = nullptr;
+
+  // Views in the top view
+  views::View* top_view_ = nullptr;
+  BoundedLabel* context_title_view_ = nullptr;
+
+  // Views in the main view
+  views::View* main_view_ = nullptr;
+  BoundedLabel* title_view_ = nullptr;
+  BoundedLabel* message_view_ = nullptr;
+
+  // Views in the bottom view
+  views::View* bottom_view_ = nullptr;
+
+  // Views in the floating controller
+  std::unique_ptr<views::ImageButton> settings_button_;
+  std::unique_ptr<views::ImageButton> close_button_;
+  std::unique_ptr<views::ImageView> small_image_view_;
+
+  std::vector<NotificationButton*> action_buttons_;
+
+  DISALLOW_COPY_AND_ASSIGN(NotificationViewMD);
+};
+
+}  // namespace message_center
+
+#endif  // UI_MESSAGE_CENTER_VIEWS_NOTIFICATION_VIEW_MD_H_