Implement message center on Windows

ui/views/bubble/tray_bubble_view.cc

 // 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.
 
 #include "ui/views/bubble/tray_bubble_view.h"
 
 #include <algorithm>
 
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkColor.h"
@@ skipping 30 matching lines @@
 // to stack bubbles with no arrows correctly. Also calculates the arrow offset.
 class TrayBubbleBorder : public views::BubbleBorder {
  public:
   TrayBubbleBorder(views::View* owner,
                    views::View* anchor,
                    TrayBubbleView::InitParams params)
       : views::BubbleBorder(params.arrow_location, params.shadow),
         owner_(owner),
         anchor_(anchor),
         tray_arrow_offset_(params.arrow_offset) {
-    set_alignment(views::BubbleBorder::ALIGN_EDGE_TO_ANCHOR_EDGE);
+    set_alignment(params.arrow_alignment);
     set_background_color(params.arrow_color);
   }
 
   virtual ~TrayBubbleBorder() {}
 
   // Overridden from views::BubbleBorder.
   // Override views::BubbleBorder to set the bubble on top of the anchor when
   // it has no arrow.
   virtual gfx::Rect GetBounds(const gfx::Rect& position_relative_to,
                               const gfx::Size& contents_size) const OVERRIDE {
-    if (arrow_location() != NONE) {
+    if (has_arrow(arrow_location())) {
       return views::BubbleBorder::GetBounds(position_relative_to,
                                             contents_size);
     }
 
     gfx::Size border_size(contents_size);
     gfx::Insets insets = GetInsets();
     border_size.Enlarge(insets.width(), insets.height());
 
     const int x = position_relative_to.x() +
         position_relative_to.width() / 2 - border_size.width() / 2;
@@ skipping 153 matching lines @@
     : anchor_type(anchor_type),
       anchor_alignment(anchor_alignment),
       min_width(min_width),
       max_width(max_width),
       max_height(0),
       can_activate(false),
       close_on_deactivate(true),
       arrow_color(SK_ColorBLACK),
       arrow_location(views::BubbleBorder::NONE),
       arrow_offset(kArrowDefaultOffset),
-      shadow(views::BubbleBorder::BIG_SHADOW) {
+      shadow(views::BubbleBorder::BIG_SHADOW),
+      arrow_alignment(views::BubbleBorder::ALIGN_EDGE_TO_ANCHOR_EDGE) {
 }
 
 // static
 TrayBubbleView* TrayBubbleView::Create(gfx::NativeView parent_window,
                                        views::View* anchor,
                                        Delegate* delegate,
                                        InitParams* init_params) {
   // Set arrow_location here so that it can be passed correctly to the
   // BubbleView constructor.
   if (init_params->anchor_type == ANCHOR_TYPE_TRAY) {
@@ skipping 39 matching lines @@
 }
 
 TrayBubbleView::~TrayBubbleView() {
   // Inform host items (models) that their views are being destroyed.
   if (delegate_)
     delegate_->BubbleViewDestroyed();
 }
 
 void TrayBubbleView::InitializeAndShowBubble() {
   // Must occur after call to BubbleDelegateView::CreateBubble().
-  SetAlignment(views::BubbleBorder::ALIGN_EDGE_TO_ANCHOR_EDGE);
+  SetAlignment(params_.arrow_alignment);
   bubble_border_->UpdateArrowOffset();
 
   if (get_use_acceleration_when_possible())
     layer()->parent()->SetMaskLayer(bubble_content_mask_->layer());
 
   Show();
   UpdateBubble();
 }
 
 void TrayBubbleView::UpdateBubble() {
@@ skipping 100 matching lines @@
                                           views::View* parent,
                                           views::View* child) {
   if (get_use_acceleration_when_possible() && is_add && child == this) {
     parent->SetPaintToLayer(true);
     parent->SetFillsBoundsOpaquely(true);
     parent->layer()->SetMasksToBounds(true);
   }
 }
 
 }  // namespace views