src/chrome/browser/ui/cocoa/tab_contents/chrome_web_contents_view_delegate_mac.mm

   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 #import "chrome/browser/ui/cocoa/tab_contents/chrome_web_contents_view_delegate_mac.h"
   6
   7 #import "chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.h"
   8 #include "chrome/browser/ui/cocoa/tab_contents/render_view_context_menu_mac.h"
   9 #include "chrome/browser/ui/cocoa/tab_contents/web_drag_bookmark_handler_mac.h"
  10 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  11 #include "content/public/browser/render_widget_host_view.h"
  12 #include "content/public/browser/web_contents.h"
  13 #include "content/public/browser/web_contents_view.h"
  14
  15 ChromeWebContentsViewDelegateMac::ChromeWebContentsViewDelegateMac(
  16     content::WebContents* web_contents)
  17     : bookmark_handler_(new WebDragBookmarkHandlerMac),
  18       web_contents_(web_contents) {
  19 }
  20
  21 ChromeWebContentsViewDelegateMac::~ChromeWebContentsViewDelegateMac() {
  22 }
  23
  24 NSObject<RenderWidgetHostViewMacDelegate>*
  25 ChromeWebContentsViewDelegateMac::CreateRenderWidgetHostViewDelegate(
  26     content::RenderWidgetHost* render_widget_host) {
  27   return [[ChromeRenderWidgetHostViewMacDelegate alloc]
  28       initWithRenderWidgetHost:render_widget_host];
  29 }
  30
  31 content::WebDragDestDelegate*
  32     ChromeWebContentsViewDelegateMac::GetDragDestDelegate() {
  33   return bookmark_handler_.get();
  34 }
  35
  36 void ChromeWebContentsViewDelegateMac::ShowContextMenu(
  37     const content::ContextMenuParams& params) {
  38   // The renderer may send the "show context menu" message multiple times, one
  39   // for each right click mouse event it receives. Normally, this doesn't happen
  40   // because mouse events are not forwarded once the context menu is showing.
  41   // However, there's a race - the context menu may not yet be showing when
  42   // the second mouse event arrives. In this case, |ShowContextMenu()| will
  43   // get called multiple times - if so, don't create another context menu.
  44   // TODO(asvitkine): Fix the renderer so that it doesn't do this.
  45   content::RenderWidgetHostView* widget_view =
  46       web_contents_->GetRenderWidgetHostView();
  47   if (widget_view && widget_view->IsShowingContextMenu())
  48     return;
  49
  50   context_menu_.reset(new RenderViewContextMenuMac(
  51       web_contents_,
  52       params,
  53       web_contents_->GetView()->GetContentNativeView()));
  54   context_menu_->Init();
  55 }
  56
  57 namespace chrome {
  58
  59 content::WebContentsViewDelegate* CreateWebContentsViewDelegate(
  60     content::WebContents* web_contents) {
  61   return new ChromeWebContentsViewDelegateMac(web_contents);
  62 }
  63
  64 }  // namespace chrome