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// Copyright (c) 2011 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/capturer.h"
#include <ApplicationServices/ApplicationServices.h>
#include <ostream>
#include "base/callback.h"
#include "base/memory/scoped_ptr.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
class CapturerMacTest : public testing::Test {
protected:
virtual void SetUp() {
capturer_.reset(Capturer::Create());
}
void AddDirtyRect() {
SkIRect rect = SkIRect::MakeXYWH(0, 0, 10, 10);
region_.op(rect, SkRegion::kUnion_Op);
}
scoped_ptr<Capturer> capturer_;
SkRegion region_;
};
// CapturerCallback1 verifies that the whole screen is initially dirty.
class CapturerCallback1 {
public:
CapturerCallback1() { }
void CaptureDoneCallback(scoped_refptr<CaptureData> capture_data);
private:
DISALLOW_COPY_AND_ASSIGN(CapturerCallback1);
};
void CapturerCallback1::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());
}
// CapturerCallback2 verifies that a rectangle explicitly marked as dirty is
// propagated correctly.
class CapturerCallback2 {
public:
explicit CapturerCallback2(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(CapturerCallback2);
};
void CapturerCallback2::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]);
}
TEST_F(CapturerMacTest, Capture) {
SCOPED_TRACE("");
// Check that we get an initial full-screen updated.
CapturerCallback1 callback1;
capturer_->CaptureInvalidRegion(
NewCallback(&callback1, &CapturerCallback1::CaptureDoneCallback));
// Check that subsequent dirty rects are propagated correctly.
AddDirtyRect();
CapturerCallback2 callback2(region_);
capturer_->InvalidateRegion(region_);
capturer_->CaptureInvalidRegion(
NewCallback(&callback2, &CapturerCallback2::CaptureDoneCallback));
}
} // 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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