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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_HOST_DESKTOP_AND_CURSOR_COMPOSER_NOTIFIER_H_
#define REMOTING_HOST_DESKTOP_AND_CURSOR_COMPOSER_NOTIFIER_H_
#include "base/memory/raw_ptr.h"
#include "remoting/protocol/input_filter.h"
namespace remoting {
// Non-filtering InputStub implementation which detects changes into or out of
// relative pointer mode, which corresponds to client-side pointer lock. Coupled
// with a local input monitor detecting local mouse activity, this can be used
// to enable or disable compositing of the local mouse cursor.
class DesktopAndCursorComposerNotifier : public protocol::InputFilter {
public:
class EventHandler {
public:
virtual void SetComposeEnabled(bool enabled) = 0;
};
DesktopAndCursorComposerNotifier(InputStub* input_stub,
EventHandler* event_handler_);
DesktopAndCursorComposerNotifier(const DesktopAndCursorComposerNotifier&) =
delete;
DesktopAndCursorComposerNotifier& operator=(
const DesktopAndCursorComposerNotifier&) = delete;
~DesktopAndCursorComposerNotifier() override;
// InputStub overrides.
void InjectMouseEvent(const protocol::MouseEvent& event) override;
void OnLocalInput();
private:
void NotifyEventHandler(bool enabled);
raw_ptr<EventHandler> event_handler_;
bool has_triggered_ = false;
bool is_enabled_ = false;
};
} // namespace remoting
#endif // REMOTING_HOST_DESKTOP_AND_CURSOR_COMPOSER_NOTIFIER_H_
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