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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/mouse_cursor_monitor_proxy.h"
#include <memory>
#include "base/check.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/task_environment.h"
#include "base/threading/thread.h"
#include "remoting/host/mouse_cursor_monitor_proxy.h"
#include "remoting/protocol/protocol_mock_objects.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
#include "third_party/webrtc/modules/desktop_capture/mouse_cursor.h"
#include "third_party/webrtc/modules/desktop_capture/mouse_cursor_monitor.h"
using ::remoting::protocol::MockClientStub;
using ::testing::_;
using ::testing::DoAll;
using ::testing::InSequence;
using ::testing::InvokeWithoutArgs;
namespace remoting {
static const int kCursorWidth = 64;
static const int kCursorHeight = 32;
static const int kHotspotX = 11;
static const int kHotspotY = 12;
class ThreadCheckMouseCursorMonitor : public webrtc::MouseCursorMonitor {
public:
explicit ThreadCheckMouseCursorMonitor(
scoped_refptr<base::SingleThreadTaskRunner> task_runner)
: task_runner_(task_runner), callback_(nullptr) {}
ThreadCheckMouseCursorMonitor(const ThreadCheckMouseCursorMonitor&) = delete;
ThreadCheckMouseCursorMonitor& operator=(
const ThreadCheckMouseCursorMonitor&) = delete;
~ThreadCheckMouseCursorMonitor() override {
EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
}
void Init(Callback* callback, Mode mode) override {
EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
EXPECT_FALSE(callback_);
EXPECT_TRUE(callback);
callback_ = callback;
}
void Capture() override {
EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
ASSERT_TRUE(callback_);
std::unique_ptr<webrtc::MouseCursor> mouse_cursor(new webrtc::MouseCursor(
new webrtc::BasicDesktopFrame(
webrtc::DesktopSize(kCursorWidth, kCursorHeight)),
webrtc::DesktopVector(kHotspotX, kHotspotY)));
callback_->OnMouseCursor(mouse_cursor.release());
}
private:
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
raw_ptr<Callback> callback_;
};
class MouseCursorMonitorProxyTest
: public testing::Test,
public webrtc::MouseCursorMonitor::Callback {
public:
MouseCursorMonitorProxyTest() : capture_thread_("test capture thread") {
capture_thread_.Start();
}
~MouseCursorMonitorProxyTest() override {
proxy_.reset();
base::RunLoop().RunUntilIdle();
}
// webrtc::MouseCursorMonitor::Callback implementation.
void OnMouseCursor(webrtc::MouseCursor* mouse_cursor) override;
protected:
base::test::SingleThreadTaskEnvironment task_environment_;
base::RunLoop run_loop_;
base::Thread capture_thread_;
std::unique_ptr<MouseCursorMonitorProxy> proxy_;
MockClientStub client_stub_;
};
void MouseCursorMonitorProxyTest::OnMouseCursor(
webrtc::MouseCursor* mouse_cursor) {
DCHECK(task_environment_.GetMainThreadTaskRunner()->BelongsToCurrentThread());
EXPECT_EQ(kCursorWidth, mouse_cursor->image()->size().width());
EXPECT_EQ(kCursorHeight, mouse_cursor->image()->size().height());
EXPECT_EQ(kHotspotX, mouse_cursor->hotspot().x());
EXPECT_EQ(kHotspotY, mouse_cursor->hotspot().y());
delete mouse_cursor;
run_loop_.Quit();
}
TEST_F(MouseCursorMonitorProxyTest, CursorShape) {
// Initialize the proxy.
proxy_ = std::make_unique<MouseCursorMonitorProxy>(
capture_thread_.task_runner(),
base::ReturnValueOnce<std::unique_ptr<webrtc::MouseCursorMonitor>>(
std::make_unique<ThreadCheckMouseCursorMonitor>(
capture_thread_.task_runner())));
proxy_->Init(this, webrtc::MouseCursorMonitor::SHAPE_ONLY);
proxy_->Capture();
// |run_loop_| will be stopped when the first cursor is received.
run_loop_.Run();
}
} // namespace remoting
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