Index: content/browser/media/capture/virtual_display_capturer.cc |
diff --git a/content/browser/media/capture/virtual_display_capturer.cc b/content/browser/media/capture/virtual_display_capturer.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f9410814807c52ddabac037da0add343177ba407 |
--- /dev/null |
+++ b/content/browser/media/capture/virtual_display_capturer.cc |
@@ -0,0 +1,89 @@ |
+// Copyright 2015 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/virtual_display_capturer.h" |
+ |
+#include "base/logging.h" |
+#include "base/sys_info.h" |
+#include "base/timer/timer.h" |
+#include "content/browser/media/capture/aura_window_capture_machine.h" |
+#include "content/browser/media/capture/content_video_capture_device_core.h" |
+#include "content/public/browser/browser_thread.h" |
+#include "ui/aura/window.h" |
+#include "ui/display/chromeos/display_configurator.h" |
+#include "ui/gfx/screen.h" |
+ |
+namespace content { |
+ |
+namespace { |
+ |
+void EnableVirtualDisplay(const gfx::Size& size) { |
+ ui::DisplayConfigurator::GetInstance()->EnableVirtualDisplay(size); |
+} |
+ |
+void DisableVirtualDisplay() { |
+ ui::DisplayConfigurator::GetInstance()->DisableVirtualDisplay(); |
+} |
+ |
+} // namespace |
+ |
+VirtualDisplayCapturer::VirtualDisplayCapturer( |
+ scoped_refptr<base::SingleThreadTaskRunner> task_runner, |
+ const DesktopMediaID& source) |
+ : source_(source), |
+ machine_(new AuraWindowCaptureMachine()), |
+ device_task_runner_(task_runner) { |
+ core_.reset(new ContentVideoCaptureDeviceCore(make_scoped_ptr(machine_))); |
+ gfx::Screen::GetNativeScreen()->AddObserver(this); |
+} |
+ |
+VirtualDisplayCapturer::~VirtualDisplayCapturer() { |
+ gfx::Screen::GetNativeScreen()->RemoveObserver(this); |
+} |
+ |
+// static |
+media::VideoCaptureDevice* VirtualDisplayCapturer::Create( |
+ scoped_refptr<base::SingleThreadTaskRunner> task_runner, |
+ const DesktopMediaID& source) { |
+ DCHECK(base::SysInfo::IsRunningOnChromeOS()); |
+ return new VirtualDisplayCapturer(task_runner, source); |
+} |
+ |
+void VirtualDisplayCapturer::AllocateAndStart( |
+ const media::VideoCaptureParams& params, |
+ scoped_ptr<Client> client) { |
+ BrowserThread::PostTask( |
+ BrowserThread::UI, FROM_HERE, |
+ base::Bind(&EnableVirtualDisplay, params.requested_format.frame_size)); |
+ |
+ params_ = params; |
+ client_.swap(client); |
+} |
+ |
+void VirtualDisplayCapturer::StopAndDeAllocate() { |
+ core_->StopAndDeAllocate(); |
+ BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, |
+ base::Bind(&DisableVirtualDisplay)); |
+} |
+ |
+// This will be called after the VirtualDisplayMonitor object has updated the |
+// virtual display in the DesktopMediaID::AuraWindowRegistry. |
+void VirtualDisplayCapturer::OnDisplayAdded(const gfx::Display& display) { |
+ DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
+ |
+ if (display.id() == |
+ ui::DisplayConfigurator::GetInstance()->GetVirtualDisplayId()) { |
+ aura::Window* window = DesktopMediaID::GetAuraWindowById(source_); |
+ machine_->SetWindow(window); |
+ gfx::Screen::GetNativeScreen()->RemoveObserver(this); |
+ // Safe to use base::Unretained here as StopAndDeAllocate must be called |
+ // before destroying |core_|. |
+ device_task_runner_->PostTask( |
+ FROM_HERE, base::Bind(&ContentVideoCaptureDeviceCore::AllocateAndStart, |
+ base::Unretained(core_.get()), params_, |
+ base::Passed(client_.Pass()))); |
+ } |
+} |
+ |
+} // namespace content |