Split TabContentsViewMac.

chrome/browser/tab_contents/chrome_web_contents_view_mac_delegate.mm

+// 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.
+
+#import "chrome/browser/tab_contents/chrome_web_contents_view_mac_delegate.h"
+
+#import "chrome/browser/renderer_host/chrome_render_widget_host_view_mac_delegate.h"
+#include "chrome/browser/tab_contents/render_view_context_menu_mac.h"
+#include "chrome/browser/tab_contents/web_drag_bookmark_handler_mac.h"
+#import "chrome/browser/ui/cocoa/view_id_util.h"
+#include "content/browser/renderer_host/render_widget_host_view.h"
+#include "content/public/browser/web_contents.h"
+
+namespace chrome_web_contents_view_mac_delegate {
+content::WebContentsViewMacDelegate* CreateWebContentsViewMacDelegate(
+    content::WebContents* web_contents) {
+  return new ChromeWebContentsViewMacDelegate(web_contents);
+}
+}
+
+ChromeWebContentsViewMacDelegate::ChromeWebContentsViewMacDelegate(
+    content::WebContents* web_contents)
+    : bookmark_handler_(new WebDragBookmarkHandlerMac),
+      web_contents_(web_contents) {
+}
+
+ChromeWebContentsViewMacDelegate::~ChromeWebContentsViewMacDelegate() {
+}
+
+NSObject<RenderWidgetHostViewMacDelegate>*
+ChromeWebContentsViewMacDelegate::CreateRenderWidgetHostViewDelegate(
+    RenderWidgetHost* render_widget_host) {
+  return [[ChromeRenderWidgetHostViewMacDelegate alloc]
+      initWithRenderWidgetHost:render_widget_host];
+}
+
+content::WebDragDestDelegate* ChromeWebContentsViewMacDelegate::DragDelegate() {
+  return static_cast<content::WebDragDestDelegate*>(bookmark_handler_.get());
+}
+
+void ChromeWebContentsViewMacDelegate::ShowContextMenu(
+    const ContextMenuParams& params) {
+  // The renderer may send the "show context menu" message multiple times, one
+  // for each right click mouse event it receives. Normally, this doesn't happen
+  // because mouse events are not forwarded once the context menu is showing.
+  // However, there's a race - the context menu may not yet be showing when
+  // the second mouse event arrives. In this case, |ShowContextMenu()| will
+  // get called multiple times - if so, don't create another context menu.
+  // TODO(asvitkine): Fix the renderer so that it doesn't do this.
+  RenderWidgetHostView* widget_view = web_contents_->GetRenderWidgetHostView();
+  if (widget_view && widget_view->showing_context_menu())
+    return;
+
+  context_menu_.reset(
+      new RenderViewContextMenuMac(web_contents_,
+                                   params,
+                                   web_contents_->GetContentNativeView()));
+  context_menu_->Init();
+}
+
+void ChromeWebContentsViewMacDelegate::NativeViewCreated(NSView* view) {
+  view_id_util::SetID(view, VIEW_ID_TAB_CONTAINER);
+}
+
+void ChromeWebContentsViewMacDelegate::NativeViewDestroyed(NSView* view) {
+  view_id_util::UnsetID(view);
+}