Implement message center on Windows

chrome/browser/ui/views/message_center/notification_bubble_wrapper_win.cc

+// Copyright (c) 2013 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.
+
+#include "chrome/browser/ui/views/message_center/notification_bubble_wrapper_win.h"
+
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/ui/views/message_center/web_notification_tray_win.h"
+#include "ui/gfx/size.h"
+#include "ui/message_center/message_bubble_base.h"
+#include "ui/views/bubble/bubble_delegate.h"
+#include "ui/views/bubble/tray_bubble_view.h"
+#include "ui/views/widget/widget.h"
+#include "ui/views/widget/widget_observer.h"
+
+namespace ui {
+
+namespace internal {
+
+NotificationBubbleWrapperWin::NotificationBubbleWrapperWin(
+    WebNotificationTrayWin* tray,
+    message_center::MessageBubbleBase* bubble,
+    AnchorType anchor_type)
+    : tray_(tray) {
+  bubble_.reset(bubble);
+
+  // Windows-specific initialization.
+  views::TrayBubbleView::AnchorAlignment anchor_alignment =
+      tray->GetAnchorAlignment();
+  views::TrayBubbleView::InitParams init_params =
+      bubble->GetInitParams(anchor_alignment);
+  init_params.anchor_type = anchor_type;
+  init_params.close_on_deactivate = false;
+  init_params.arrow_alignment =
+      views::BubbleBorder::ALIGN_ARROW_TO_MID_ANCHOR;
+  // TODO(dewittj): Show big shadow without blocking clicks.
+  init_params.shadow = views::BubbleBorder::NO_SHADOW;
+
+  bubble_view_ = views::TrayBubbleView::Create(
+      tray->GetBubbleWindowContainer(), NULL, this, &init_params);
+
+  bubble_widget_ = views::BubbleDelegateView::CreateBubble(bubble_view_);
+  bubble_widget_->AddObserver(this);
+  bubble_widget_->StackAtTop();
+  bubble_widget_->SetAlwaysOnTop(true);
+  bubble_widget_->Activate();
+  bubble_view_->InitializeAndShowBubble();
+
+  bubble_view_->set_close_on_deactivate(true);
+  bubble->InitializeContents(bubble_view_);
+}
+
+NotificationBubbleWrapperWin::~NotificationBubbleWrapperWin() {
+  bubble_.reset();
+  if (bubble_widget_) {
+    bubble_widget_->RemoveObserver(this);
+    bubble_widget_->Close();
+    bubble_widget_ = NULL;
+  }
+}
+
+// Overridden from views::WidgetObserver.
+void NotificationBubbleWrapperWin::OnWidgetClosing(views::Widget* widget) {
+  bubble_widget_->RemoveObserver(this);
+  bubble_widget_ = NULL;
+  tray_->HideBubbleWithView(bubble_view_);
+}
+
+// TrayBubbleView::Delegate implementation.
+// Called when the view is destroyed. Any pointers to the view should be
+// cleared when this gets called.
+void NotificationBubbleWrapperWin::BubbleViewDestroyed() {
+  bubble_->BubbleViewDestroyed();
+}
+
+// Called when the mouse enters/exits the view.
+void NotificationBubbleWrapperWin::OnMouseEnteredView() {
+  bubble_->OnMouseEnteredView();
+};
+
+void NotificationBubbleWrapperWin::OnMouseExitedView() {
+  bubble_->OnMouseExitedView();
+}
+
+// Called from GetAccessibleState(); should return the appropriate
+// accessible name for the bubble.
+string16 NotificationBubbleWrapperWin::GetAccessibleNameForBubble() {
+  // TODO(dewittj): get a string resource.
+  return ASCIIToUTF16("Windows Notification Center");
+}
+
+// Passes responsibility for BubbleDelegateView::GetAnchorRect to the
+// delegate.
+gfx::Rect NotificationBubbleWrapperWin::GetAnchorRect(
+    views::Widget* anchor_widget,
+    AnchorType anchor_type,
+    AnchorAlignment anchor_alignment) {
+  gfx::Size size = bubble_view_->GetPreferredSize();
+  return tray_->GetAnchorRect(size,
+                              anchor_type,
+                              anchor_alignment);
+}
+
+// Called when a bubble wants to hide/destroy itself (e.g. last visible
+// child view was closed).
+void NotificationBubbleWrapperWin::HideBubble(
+    const views::TrayBubbleView* bubble_view) {
+  tray_->HideBubbleWithView(bubble_view);
+}
+
+}  // namespace internal
+
+}  // namespace ui