chromecast/media/cma/pipeline/video_pipeline_device_client_impl.cc

   1 // Copyright 2015 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 "chromecast/media/cma/pipeline/video_pipeline_device_client_impl.h"
   6
   7 #include "base/bind.h"
   8 #include "base/location.h"
   9 #include "base/single_thread_task_runner.h"
  10 #include "base/thread_task_runner_handle.h"
  11 #include "chromecast/public/graphics_types.h"
  12
  13 namespace chromecast {
  14 namespace media {
  15
  16 VideoPipelineDeviceClientImpl::VideoPipelineDeviceClientImpl(
  17     const SizeChangeCB& size_change_cb)
  18     : size_change_cb_(size_change_cb),
  19       task_runner_(base::ThreadTaskRunnerHandle::Get()) {}
  20
  21 VideoPipelineDeviceClientImpl::~VideoPipelineDeviceClientImpl() {}
  22
  23 void VideoPipelineDeviceClientImpl::OnNaturalSizeChanged(const Size& size) {
  24   if (task_runner_->BelongsToCurrentThread()) {
  25     if (!size_change_cb_.is_null())
  26       size_change_cb_.Run(size);
  27   } else {
  28     task_runner_->PostTask(FROM_HERE, base::Bind(size_change_cb_, size));
  29   }
  30 }
  31
  32 }  // namespace media
  33 }  // namespace chromecast