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// Copyright 2013 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/desktop_capture_device_aura.h"
#include <stddef.h>
#include <stdint.h>
#include <utility>
#include "base/location.h"
#include "base/macros.h"
#include "base/synchronization/waitable_event.h"
#include "content/browser/browser_thread_impl.h"
#include "content/public/browser/desktop_media_id.h"
#include "media/base/video_capture_types.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/aura/client/window_tree_client.h"
#include "ui/aura/test/aura_test_helper.h"
#include "ui/aura/test/test_window_delegate.h"
#include "ui/aura/window.h"
#include "ui/compositor/test/context_factories_for_test.h"
#include "ui/wm/core/default_activation_client.h"
using ::testing::_;
using ::testing::AnyNumber;
using ::testing::DoAll;
using ::testing::Expectation;
using ::testing::InvokeWithoutArgs;
using ::testing::SaveArg;
namespace media {
class VideoFrame;
} // namespace media
namespace content {
namespace {
const int kFrameRate = 30;
class MockDeviceClient : public media::VideoCaptureDevice::Client {
public:
MOCK_METHOD5(OnIncomingCapturedData,
void(const uint8_t* data,
int length,
const media::VideoCaptureFormat& frame_format,
int rotation,
const base::TimeTicks& timestamp));
MOCK_METHOD9(OnIncomingCapturedYuvData,
void(const uint8_t* y_data,
const uint8_t* u_data,
const uint8_t* v_data,
size_t y_stride,
size_t u_stride,
size_t v_stride,
const media::VideoCaptureFormat& frame_format,
int clockwise_rotation,
const base::TimeTicks& timestamp));
MOCK_METHOD0(DoReserveOutputBuffer, void(void));
MOCK_METHOD0(DoOnIncomingCapturedBuffer, void(void));
MOCK_METHOD0(DoOnIncomingCapturedVideoFrame, void(void));
MOCK_METHOD2(OnError,
void(const tracked_objects::Location& from_here,
const std::string& reason));
// Trampoline methods to workaround GMOCK problems with scoped_ptr<>.
scoped_ptr<Buffer> ReserveOutputBuffer(
const gfx::Size& dimensions,
media::VideoPixelFormat format,
media::VideoPixelStorage storage) override {
EXPECT_EQ(media::PIXEL_FORMAT_I420, format);
EXPECT_EQ(media::PIXEL_STORAGE_CPU, storage);
DoReserveOutputBuffer();
return scoped_ptr<Buffer>();
}
void OnIncomingCapturedBuffer(scoped_ptr<Buffer> buffer,
const media::VideoCaptureFormat& frame_format,
const base::TimeTicks& timestamp) override {
DoOnIncomingCapturedBuffer();
}
void OnIncomingCapturedVideoFrame(
scoped_ptr<Buffer> buffer,
const scoped_refptr<media::VideoFrame>& frame,
const base::TimeTicks& timestamp) override {
DoOnIncomingCapturedVideoFrame();
}
double GetBufferPoolUtilization() const override { return 0.0; }
};
// Test harness that sets up a minimal environment with necessary stubs.
class DesktopCaptureDeviceAuraTest : public testing::Test {
public:
DesktopCaptureDeviceAuraTest()
: browser_thread_for_ui_(BrowserThread::UI, &message_loop_) {}
~DesktopCaptureDeviceAuraTest() override {}
protected:
void SetUp() override {
// The ContextFactory must exist before any Compositors are created.
bool enable_pixel_output = false;
ui::ContextFactory* context_factory =
ui::InitializeContextFactoryForTests(enable_pixel_output);
helper_.reset(new aura::test::AuraTestHelper(&message_loop_));
helper_->SetUp(context_factory);
new wm::DefaultActivationClient(helper_->root_window());
// We need a window to cover desktop area so that DesktopCaptureDeviceAura
// can use gfx::NativeWindow::GetWindowAtScreenPoint() to locate the
// root window associated with the primary display.
gfx::Rect desktop_bounds = root_window()->bounds();
window_delegate_.reset(new aura::test::TestWindowDelegate());
desktop_window_.reset(new aura::Window(window_delegate_.get()));
desktop_window_->Init(ui::LAYER_TEXTURED);
desktop_window_->SetBounds(desktop_bounds);
aura::client::ParentWindowWithContext(
desktop_window_.get(), root_window(), desktop_bounds);
desktop_window_->Show();
}
void TearDown() override {
helper_->RunAllPendingInMessageLoop();
root_window()->RemoveChild(desktop_window_.get());
desktop_window_.reset();
window_delegate_.reset();
helper_->TearDown();
ui::TerminateContextFactoryForTests();
}
aura::Window* root_window() { return helper_->root_window(); }
private:
base::MessageLoopForUI message_loop_;
BrowserThreadImpl browser_thread_for_ui_;
scoped_ptr<aura::test::AuraTestHelper> helper_;
scoped_ptr<aura::Window> desktop_window_;
scoped_ptr<aura::test::TestWindowDelegate> window_delegate_;
DISALLOW_COPY_AND_ASSIGN(DesktopCaptureDeviceAuraTest);
};
TEST_F(DesktopCaptureDeviceAuraTest, StartAndStop) {
scoped_ptr<media::VideoCaptureDevice> capture_device =
DesktopCaptureDeviceAura::Create(
content::DesktopMediaID::RegisterAuraWindow(
content::DesktopMediaID::TYPE_SCREEN, root_window()));
ASSERT_TRUE(capture_device);
scoped_ptr<MockDeviceClient> client(new MockDeviceClient());
EXPECT_CALL(*client, OnError(_, _)).Times(0);
media::VideoCaptureParams capture_params;
capture_params.requested_format.frame_size.SetSize(640, 480);
capture_params.requested_format.frame_rate = kFrameRate;
capture_params.requested_format.pixel_format = media::PIXEL_FORMAT_I420;
capture_device->AllocateAndStart(capture_params, std::move(client));
capture_device->StopAndDeAllocate();
}
} // namespace
} // namespace content
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