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// Copyright (c) 2012 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 "remoting/host/video_frame_capturer.h"
#include <ApplicationServices/ApplicationServices.h>
#include <ostream>
#include "base/bind.h"
#include "base/callback.h"
#include "base/memory/scoped_ptr.h"
#include "remoting/base/capture_data.h"
#include "remoting/proto/control.pb.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
// Verify that the OS is at least Snow Leopard (10.6).
// Chromoting doesn't support 10.5 or earlier.
bool CheckSnowLeopard() {
long minorVersion, majorVersion;
Gestalt(gestaltSystemVersionMajor, &majorVersion);
Gestalt(gestaltSystemVersionMinor, &minorVersion);
return majorVersion == 10 && minorVersion > 5;
}
class VideoFrameCapturerMacTest : public testing::Test {
protected:
virtual void SetUp() OVERRIDE {
capturer_.reset(VideoFrameCapturer::Create());
}
void AddDirtyRect() {
SkIRect rect = SkIRect::MakeXYWH(0, 0, 10, 10);
region_.op(rect, SkRegion::kUnion_Op);
}
scoped_ptr<VideoFrameCapturer> capturer_;
SkRegion region_;
};
// CapturerCallback1 verifies that the whole screen is initially dirty.
class VideoFrameCapturerCallback1 {
public:
VideoFrameCapturerCallback1() {}
void CaptureDoneCallback(scoped_refptr<CaptureData> capture_data);
private:
DISALLOW_COPY_AND_ASSIGN(VideoFrameCapturerCallback1);
};
void VideoFrameCapturerCallback1::CaptureDoneCallback(
scoped_refptr<CaptureData> capture_data) {
CGDirectDisplayID mainDevice = CGMainDisplayID();
int width = CGDisplayPixelsWide(mainDevice);
int height = CGDisplayPixelsHigh(mainDevice);
SkRegion initial_region(SkIRect::MakeXYWH(0, 0, width, height));
EXPECT_EQ(initial_region, capture_data->dirty_region());
}
// VideoFrameCapturerCallback2 verifies that a rectangle explicitly marked as
// dirty is propagated correctly.
class VideoFrameCapturerCallback2 {
public:
explicit VideoFrameCapturerCallback2(const SkRegion& expected_dirty_region)
: expected_dirty_region_(expected_dirty_region) {}
void CaptureDoneCallback(scoped_refptr<CaptureData> capture_data);
protected:
SkRegion expected_dirty_region_;
private:
DISALLOW_COPY_AND_ASSIGN(VideoFrameCapturerCallback2);
};
void VideoFrameCapturerCallback2::CaptureDoneCallback(
scoped_refptr<CaptureData> capture_data) {
CGDirectDisplayID mainDevice = CGMainDisplayID();
int width = CGDisplayPixelsWide(mainDevice);
int height = CGDisplayPixelsHigh(mainDevice);
EXPECT_EQ(expected_dirty_region_, capture_data->dirty_region());
EXPECT_EQ(width, capture_data->size().width());
EXPECT_EQ(height, capture_data->size().height());
const DataPlanes &planes = capture_data->data_planes();
EXPECT_TRUE(planes.data[0] != NULL);
EXPECT_TRUE(planes.data[1] == NULL);
EXPECT_TRUE(planes.data[2] == NULL);
// Depending on the capture method, the screen may be flipped or not, so
// the stride may be positive or negative.
EXPECT_EQ(static_cast<int>(sizeof(uint32_t) * width),
abs(planes.strides[0]));
EXPECT_EQ(0, planes.strides[1]);
EXPECT_EQ(0, planes.strides[2]);
}
class CursorCallback {
public:
CursorCallback() {}
void CursorShapeChangedCallback(
scoped_ptr<protocol::CursorShapeInfo> cursor_data);
private:
DISALLOW_COPY_AND_ASSIGN(CursorCallback);
};
void CursorCallback::CursorShapeChangedCallback(
scoped_ptr<protocol::CursorShapeInfo> cursor_data) {
}
TEST_F(VideoFrameCapturerMacTest, Capture) {
if (!CheckSnowLeopard()) {
return;
}
SCOPED_TRACE("");
CursorCallback cursor_callback;
capturer_->Start(base::Bind(&CursorCallback::CursorShapeChangedCallback,
base::Unretained(&cursor_callback)));
// Check that we get an initial full-screen updated.
VideoFrameCapturerCallback1 callback1;
capturer_->CaptureInvalidRegion(base::Bind(
&VideoFrameCapturerCallback1::CaptureDoneCallback,
base::Unretained(&callback1)));
// Check that subsequent dirty rects are propagated correctly.
AddDirtyRect();
VideoFrameCapturerCallback2 callback2(region_);
capturer_->InvalidateRegion(region_);
capturer_->CaptureInvalidRegion(base::Bind(
&VideoFrameCapturerCallback2::CaptureDoneCallback,
base::Unretained(&callback2)));
capturer_->Stop();
}
} // namespace remoting
namespace gfx {
std::ostream& operator<<(std::ostream& out, const SkRegion& region) {
out << "SkRegion(";
for (SkRegion::Iterator i(region); !i.done(); i.next()) {
const SkIRect& r = i.rect();
out << "(" << r.fLeft << "," << r.fTop << ","
<< r.fRight << "," << r.fBottom << ")";
}
out << ")";
return out;
}
} // namespace gfx
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