content/browser/aura/image_transport_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/aura/image_transport_factory.h"
   6
   7 #include "content/browser/aura/gpu_process_transport_factory.h"
   8 #include "content/browser/aura/no_transport_image_transport_factory.h"
   9 #include "ui/compositor/compositor.h"
  10
  11 namespace content {
  12
  13 namespace {
  14 ImageTransportFactory* g_factory = NULL;
  15 bool g_initialized_for_unit_tests = false;
  16 }
  17
  18 // static
  19 void ImageTransportFactory::Initialize() {
  20   DCHECK(!g_factory || g_initialized_for_unit_tests);
  21   if (g_initialized_for_unit_tests)
  22     return;
  23   g_factory = new GpuProcessTransportFactory;
  24   ui::ContextFactory::SetInstance(g_factory->AsContextFactory());
  25 }
  26
  27 void ImageTransportFactory::InitializeForUnitTests(
  28     scoped_ptr<ui::ContextFactory> test_factory) {
  29   DCHECK(!g_factory);
  30   DCHECK(!g_initialized_for_unit_tests);
  31   g_initialized_for_unit_tests = true;
  32   g_factory = new NoTransportImageTransportFactory(test_factory.Pass());
  33   ui::ContextFactory::SetInstance(g_factory->AsContextFactory());
  34 }
  35
  36 // static
  37 void ImageTransportFactory::Terminate() {
  38   ui::ContextFactory::SetInstance(NULL);
  39   delete g_factory;
  40   g_factory = NULL;
  41   g_initialized_for_unit_tests = false;
  42 }
  43
  44 // static
  45 ImageTransportFactory* ImageTransportFactory::GetInstance() {
  46   return g_factory;
  47 }
  48
  49 }  // namespace content