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// Copyright 2016 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/mouse_cursor_monitor_proxy.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/single_thread_task_runner.h"
#include "base/threading/thread_task_runner_handle.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_capture_options.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
#include "third_party/webrtc/modules/desktop_capture/mouse_cursor.h"
#include "third_party/webrtc/modules/desktop_capture/mouse_cursor_monitor.h"
#if defined(OS_CHROMEOS)
#include "remoting/host/chromeos/mouse_cursor_monitor_aura.h"
#endif
namespace remoting {
class MouseCursorMonitorProxy::Core
: public webrtc::MouseCursorMonitor::Callback {
public:
explicit Core(base::WeakPtr<MouseCursorMonitorProxy> proxy);
~Core() override;
void CreateMouseCursorMonitor(const webrtc::DesktopCaptureOptions& options);
void Init(webrtc::MouseCursorMonitor::Mode mode);
void Capture();
void SetMouseCursorMonitorForTests(
std::unique_ptr<webrtc::MouseCursorMonitor> mouse_cursor_monitor);
private:
// webrtc::MouseCursorMonitor::Callback implementation.
void OnMouseCursor(webrtc::MouseCursor* mouse_cursor) override;
void OnMouseCursorPosition(webrtc::MouseCursorMonitor::CursorState state,
const webrtc::DesktopVector& position) override;
base::ThreadChecker thread_checker_;
base::WeakPtr<MouseCursorMonitorProxy> proxy_;
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_;
std::unique_ptr<webrtc::MouseCursorMonitor> mouse_cursor_monitor_;
DISALLOW_COPY_AND_ASSIGN(Core);
};
MouseCursorMonitorProxy::Core::Core(
base::WeakPtr<MouseCursorMonitorProxy> proxy)
: proxy_(proxy), caller_task_runner_(base::ThreadTaskRunnerHandle::Get()) {
thread_checker_.DetachFromThread();
}
MouseCursorMonitorProxy::Core::~Core() {
DCHECK(thread_checker_.CalledOnValidThread());
}
void MouseCursorMonitorProxy::Core::CreateMouseCursorMonitor(
const webrtc::DesktopCaptureOptions& options) {
DCHECK(thread_checker_.CalledOnValidThread());
#if defined(OS_CHROMEOS)
mouse_cursor_monitor_.reset(new MouseCursorMonitorAura());
#else // defined(OS_CHROMEOS)
mouse_cursor_monitor_.reset(webrtc::MouseCursorMonitor::CreateForScreen(
options, webrtc::kFullDesktopScreenId));
#endif // defined(OS_CHROMEOS)
if (!mouse_cursor_monitor_)
LOG(ERROR) << "Failed to initialize MouseCursorMonitor.";
}
void MouseCursorMonitorProxy::Core::Init(
webrtc::MouseCursorMonitor::Mode mode) {
DCHECK(thread_checker_.CalledOnValidThread());
if (mouse_cursor_monitor_)
mouse_cursor_monitor_->Init(this, mode);
}
void MouseCursorMonitorProxy::Core::Capture() {
DCHECK(thread_checker_.CalledOnValidThread());
if (mouse_cursor_monitor_)
mouse_cursor_monitor_->Capture();
}
void MouseCursorMonitorProxy::Core::SetMouseCursorMonitorForTests(
std::unique_ptr<webrtc::MouseCursorMonitor> mouse_cursor_monitor) {
mouse_cursor_monitor_ = std::move(mouse_cursor_monitor);
}
void MouseCursorMonitorProxy::Core::OnMouseCursor(webrtc::MouseCursor* cursor) {
DCHECK(thread_checker_.CalledOnValidThread());
std::unique_ptr<webrtc::MouseCursor> owned_cursor(cursor);
caller_task_runner_->PostTask(
FROM_HERE, base::Bind(&MouseCursorMonitorProxy::OnMouseCursor, proxy_,
base::Passed(&owned_cursor)));
}
void MouseCursorMonitorProxy::Core::OnMouseCursorPosition(
webrtc::MouseCursorMonitor::CursorState state,
const webrtc::DesktopVector& position) {
DCHECK(thread_checker_.CalledOnValidThread());
caller_task_runner_->PostTask(
FROM_HERE, base::Bind(&MouseCursorMonitorProxy::OnMouseCursorPosition,
proxy_, state, position));
}
MouseCursorMonitorProxy::MouseCursorMonitorProxy(
scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner,
const webrtc::DesktopCaptureOptions& options)
: capture_task_runner_(capture_task_runner), weak_factory_(this) {
core_.reset(new Core(weak_factory_.GetWeakPtr()));
capture_task_runner_->PostTask(
FROM_HERE, base::Bind(&Core::CreateMouseCursorMonitor,
base::Unretained(core_.get()), options));
}
MouseCursorMonitorProxy::~MouseCursorMonitorProxy() {
capture_task_runner_->DeleteSoon(FROM_HERE, core_.release());
}
void MouseCursorMonitorProxy::Init(Callback* callback, Mode mode) {
DCHECK(thread_checker_.CalledOnValidThread());
callback_ = callback;
capture_task_runner_->PostTask(
FROM_HERE, base::Bind(&Core::Init, base::Unretained(core_.get()), mode));
}
void MouseCursorMonitorProxy::Capture() {
DCHECK(thread_checker_.CalledOnValidThread());
capture_task_runner_->PostTask(
FROM_HERE, base::Bind(&Core::Capture, base::Unretained(core_.get())));
}
void MouseCursorMonitorProxy::SetMouseCursorMonitorForTests(
std::unique_ptr<webrtc::MouseCursorMonitor> mouse_cursor_monitor) {
capture_task_runner_->PostTask(
FROM_HERE, base::Bind(&Core::SetMouseCursorMonitorForTests,
base::Unretained(core_.get()),
base::Passed(&mouse_cursor_monitor)));
}
void MouseCursorMonitorProxy::OnMouseCursor(
std::unique_ptr<webrtc::MouseCursor> cursor) {
DCHECK(thread_checker_.CalledOnValidThread());
callback_->OnMouseCursor(cursor.release());
}
void MouseCursorMonitorProxy::OnMouseCursorPosition(
CursorState state,
const webrtc::DesktopVector& position) {
DCHECK(thread_checker_.CalledOnValidThread());
callback_->OnMouseCursorPosition(state, position);
}
} // namespace remoting
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