ui/ozone/public/ozone_gpu_test_helper.h

   1 // Copyright 2014 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 #ifndef UI_OZONE_PUBLIC_OZONE_GPU_THREAD_HELPER_H_
   6 #define UI_OZONE_PUBLIC_OZONE_GPU_THREAD_HELPER_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "ui/ozone/ozone_export.h"
  11
  12 namespace base {
  13 class SingleThreadTaskRunner;
  14 class Thread;
  15 }
  16
  17 namespace ui {
  18
  19 class FakeGpuProcess;
  20 class FakeGpuProcessHost;
  21
  22 // Helper class for applications that do not have a dedicated GPU channel.
  23 //
  24 // This sets up message forwarding between the "gpu" and "ui" threads.
  25 class OZONE_EXPORT OzoneGpuTestHelper {
  26  public:
  27   OzoneGpuTestHelper();
  28   virtual ~OzoneGpuTestHelper();
  29
  30   // Start processing gpu messages. The host process will be using the
  31   // |gpu_task_runner| to post messages intended for the GPU thread. The "gpu"
  32   // process will be using the |ui_task_runner| to post messages intended for
  33   // the "ui" thread.
  34   bool Initialize(
  35       const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner,
  36       const scoped_refptr<base::SingleThreadTaskRunner>& gpu_task_runner);
  37
  38  private:
  39   scoped_ptr<FakeGpuProcess> fake_gpu_process_;
  40   scoped_ptr<FakeGpuProcessHost> fake_gpu_process_host_;
  41   scoped_ptr<base::Thread> io_helper_thread_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(OzoneGpuTestHelper);
  44 };
  45
  46 }  // namespace ui
  47
  48 #endif  // UI_OZONE_PUBLIC_OZONE_GPU_THREAD_HELPER_H_