content/browser/frame_host/render_frame_host_factory.cc

   1 // Copyright 2013 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 "content/browser/frame_host/render_frame_host_factory.h"
   6
   7 #include "base/logging.h"
   8 #include "content/browser/frame_host/frame_tree_node.h"
   9 #include "content/browser/frame_host/render_frame_host_impl.h"
  10
  11 namespace content {
  12
  13 // static
  14 RenderFrameHostFactory* RenderFrameHostFactory::factory_ = NULL;
  15
  16 // static
  17 scoped_ptr<RenderFrameHostImpl> RenderFrameHostFactory::Create(
  18     RenderViewHostImpl* render_view_host,
  19     RenderFrameHostDelegate* delegate,
  20     FrameTree* frame_tree,
  21     FrameTreeNode* frame_tree_node,
  22     int routing_id,
  23     bool is_swapped_out) {
  24   if (factory_) {
  25     return factory_->CreateRenderFrameHost(render_view_host,
  26                                            delegate,
  27                                            frame_tree,
  28                                            frame_tree_node,
  29                                            routing_id,
  30                                            is_swapped_out).Pass();
  31   }
  32   return make_scoped_ptr(new RenderFrameHostImpl(
  33       render_view_host, delegate, frame_tree, frame_tree_node, routing_id,
  34       is_swapped_out));
  35 }
  36
  37 // static
  38 void RenderFrameHostFactory::RegisterFactory(RenderFrameHostFactory* factory) {
  39   DCHECK(!factory_) << "Can't register two factories at once.";
  40   factory_ = factory;
  41 }
  42
  43 // static
  44 void RenderFrameHostFactory::UnregisterFactory() {
  45   DCHECK(factory_) << "No factory to unregister.";
  46   factory_ = NULL;
  47 }
  48
  49 }  // namespace content