chrome/browser/ui/views/notifications/balloon_view_host.cc

   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 #include "chrome/browser/ui/views/notifications/balloon_view_host.h"
   6
   7 #include "chrome/browser/notifications/balloon.h"
   8 #include "content/public/browser/content_browser_client.h"
   9 #include "content/public/browser/render_view_host.h"
  10 #include "content/public/browser/render_widget_host_view.h"
  11 #include "content/public/browser/web_contents.h"
  12 #include "ui/views/widget/widget.h"
  13
  14 class BalloonViewHostView : public views::NativeViewHost {
  15  public:
  16   explicit BalloonViewHostView(BalloonViewHost* host)
  17       : host_(host),
  18         initialized_(false) {
  19   }
  20
  21   virtual void ViewHierarchyChanged(
  22       const ViewHierarchyChangedDetails& details) OVERRIDE {
  23     NativeViewHost::ViewHierarchyChanged(details);
  24     if (details.is_add && GetWidget() && !initialized_) {
  25       initialized_ = true;
  26       host_->Init(GetWidget()->GetNativeView());
  27     }
  28   }
  29
  30  private:
  31   // The host owns this object.
  32   BalloonViewHost* host_;
  33
  34   bool initialized_;
  35 };
  36
  37 BalloonViewHost::BalloonViewHost(Balloon* balloon)
  38     : BalloonHost(balloon) {
  39   native_host_ = new BalloonViewHostView(this);
  40 }
  41
  42 BalloonViewHost::~BalloonViewHost() {
  43   Shutdown();
  44 }
  45
  46 void BalloonViewHost::Init(gfx::NativeView parent_native_view) {
  47   parent_native_view_ = parent_native_view;
  48   BalloonHost::Init();
  49
  50   content::RenderWidgetHostView* render_widget_host_view =
  51       web_contents_->GetRenderViewHost()->GetView();
  52
  53   native_host_->Attach(render_widget_host_view->GetNativeView());
  54 }