content/browser/renderer_host/render_view_host_factory.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 "content/browser/renderer_host/render_view_host_factory.h"
   6
   7 #include "base/logging.h"
   8 #include "content/browser/renderer_host/render_view_host_impl.h"
   9
  10 namespace content {
  11
  12 // static
  13 RenderViewHostFactory* RenderViewHostFactory::factory_ = NULL;
  14
  15 // static
  16 RenderViewHost* RenderViewHostFactory::Create(
  17     SiteInstance* instance,
  18     RenderViewHostDelegate* delegate,
  19     RenderWidgetHostDelegate* widget_delegate,
  20     int routing_id,
  21     int main_frame_routing_id,
  22     bool swapped_out,
  23     bool hidden) {
  24   if (factory_) {
  25     return factory_->CreateRenderViewHost(instance, delegate, widget_delegate,
  26                                           routing_id, main_frame_routing_id,
  27                                           swapped_out);
  28   }
  29   return new RenderViewHostImpl(instance,
  30                                 delegate,
  31                                 widget_delegate,
  32                                 routing_id,
  33                                 main_frame_routing_id,
  34                                 swapped_out,
  35                                 hidden,
  36                                 true /* has_initialized_audio_host */);
  37 }
  38
  39 // static
  40 void RenderViewHostFactory::RegisterFactory(RenderViewHostFactory* factory) {
  41   DCHECK(!factory_) << "Can't register two factories at once.";
  42   factory_ = factory;
  43 }
  44
  45 // static
  46 void RenderViewHostFactory::UnregisterFactory() {
  47   DCHECK(factory_) << "No factory to unregister.";
  48   factory_ = NULL;
  49 }
  50
  51 }  // namespace content