ui/ozone/public/ozone_gpu_test_helper.cc

   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 #include "ui/ozone/public/ozone_gpu_test_helper.h"
   6
   7 #include "base/thread_task_runner_handle.h"
   8 #include "ipc/ipc_listener.h"
   9 #include "ipc/ipc_message.h"
  10 #include "ipc/ipc_sender.h"
  11 #include "ipc/message_filter.h"
  12 #include "ui/ozone/public/gpu_platform_support.h"
  13 #include "ui/ozone/public/gpu_platform_support_host.h"
  14 #include "ui/ozone/public/ozone_platform.h"
  15
  16 namespace ui {
  17
  18 namespace {
  19
  20 const int kGpuProcessHostId = 1;
  21
  22 }  // namespace
  23
  24 static void DispatchToGpuPlatformSupportHostTask(IPC::Message* msg) {
  25   ui::OzonePlatform::GetInstance()
  26       ->GetGpuPlatformSupportHost()
  27       ->OnMessageReceived(*msg);
  28   delete msg;
  29 }
  30
  31 class FakeGpuProcess : public IPC::Sender {
  32  public:
  33   FakeGpuProcess(
  34       const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner)
  35       : ui_task_runner_(ui_task_runner) {}
  36   ~FakeGpuProcess() override {}
  37
  38   void Init() {
  39     ui::OzonePlatform::GetInstance()
  40         ->GetGpuPlatformSupport()
  41         ->OnChannelEstablished(this);
  42   }
  43
  44   void InitOnIO() {
  45     ui::OzonePlatform::GetInstance()
  46         ->GetGpuPlatformSupport()
  47         ->GetMessageFilter()
  48         ->OnFilterAdded(this);
  49   }
  50
  51   bool Send(IPC::Message* msg) override {
  52     ui_task_runner_->PostTask(
  53         FROM_HERE, base::Bind(&DispatchToGpuPlatformSupportHostTask, msg));
  54     return true;
  55   }
  56
  57  private:
  58   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
  59 };
  60
  61 static void DispatchToGpuPlatformSupportTask(IPC::Message* msg) {
  62   ui::OzonePlatform::GetInstance()->GetGpuPlatformSupport()->OnMessageReceived(
  63       *msg);
  64   delete msg;
  65 }
  66
  67 class FakeGpuProcessHost {
  68  public:
  69   FakeGpuProcessHost(
  70       const scoped_refptr<base::SingleThreadTaskRunner>& gpu_task_runner)
  71       : gpu_task_runner_(gpu_task_runner) {}
  72   ~FakeGpuProcessHost() {}
  73
  74   void Init() {
  75     base::Callback<void(IPC::Message*)> sender =
  76         base::Bind(&DispatchToGpuPlatformSupportTask);
  77
  78     ui::OzonePlatform::GetInstance()
  79         ->GetGpuPlatformSupportHost()
  80         ->OnChannelEstablished(kGpuProcessHostId, gpu_task_runner_, sender);
  81   }
  82
  83  private:
  84   scoped_refptr<base::SingleThreadTaskRunner> gpu_task_runner_;
  85 };
  86
  87 OzoneGpuTestHelper::OzoneGpuTestHelper() {
  88 }
  89
  90 OzoneGpuTestHelper::~OzoneGpuTestHelper() {
  91 }
  92
  93 bool OzoneGpuTestHelper::Initialize(
  94     const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner,
  95     const scoped_refptr<base::SingleThreadTaskRunner>& gpu_task_runner) {
  96   io_helper_thread_.reset(new base::Thread("IOHelperThread"));
  97   if (!io_helper_thread_->StartWithOptions(
  98           base::Thread::Options(base::MessageLoop::TYPE_IO, 0)))
  99     return false;
 100
 101   fake_gpu_process_.reset(new FakeGpuProcess(ui_task_runner));
 102   io_helper_thread_->task_runner()->PostTask(
 103       FROM_HERE, base::Bind(&FakeGpuProcess::InitOnIO,
 104                             base::Unretained(fake_gpu_process_.get())));
 105   fake_gpu_process_->Init();
 106
 107   fake_gpu_process_host_.reset(new FakeGpuProcessHost(gpu_task_runner));
 108   fake_gpu_process_host_->Init();
 109
 110   return true;
 111 }
 112
 113 }  // namespace ui