ScreenCapture for Android phase1, part I

content/browser/media/capture/screen_capture_device_android.cc

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/browser/media/capture/screen_capture_device_android.h"
+
+#include "base/logging.h"
+#include "base/memory/ptr_util.h"
+#include "media/capture/content/android/screen_capture_machine_android.h"
+
+namespace content {
+
+ScreenCaptureDeviceAndroid::ScreenCaptureDeviceAndroid()
+    : core_(base::WrapUnique(new media::ScreenCaptureMachineAndroid())) {}
+
+ScreenCaptureDeviceAndroid::~ScreenCaptureDeviceAndroid() {
+  DVLOG(2) << "ScreenCaptureDeviceAndroid@" << this << " destroying.";
+}
+
+// static
+std::unique_ptr<media::VideoCaptureDevice>
+ScreenCaptureDeviceAndroid::Create() {
+  return base::WrapUnique(new ScreenCaptureDeviceAndroid());
+}
+
+void ScreenCaptureDeviceAndroid::AllocateAndStart(
+    const media::VideoCaptureParams& params,
+    std::unique_ptr<Client> client) {
+  DVLOG(1) << "Allocating " << params.requested_format.frame_size.ToString();
+  core_.AllocateAndStart(params, std::move(client));
+
+  power_save_blocker_ = CreatePowerSaveBlocker(
+      PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
+      PowerSaveBlocker::kReasonOther, "ScreenCaptureMachineAndroid is running");
+}
+
+void ScreenCaptureDeviceAndroid::StopAndDeAllocate() {
+  power_save_blocker_.reset();
+  core_.StopAndDeAllocate();
+}
+
+void ScreenCaptureDeviceAndroid::RequestRefreshFrame() {
+  core_.RequestRefreshFrame();
+}
+}  // namespace content