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// Copyright 2014 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 <memory>
#include "base/macros.h"
#include "ui/events/event.h"
#include "ui/events/events_export.h"
#include "ui/events/keycodes/dom/keycode_converter.h"
#include "ui/gfx/geometry/point_f.h"
namespace gfx {
class PointF;
} // namespace gfx
namespace ui {
// Interface exposed for remoting to convert its events from the network to
// native events.
class EVENTS_EXPORT SystemInputInjector {
SystemInputInjector() {}
virtual ~SystemInputInjector() {}
// Moves the cursor on the screen and generates the corresponding MouseMove or
// MouseDragged event. |location| is in physical screen coordinates,
// independent of the scale factor and the display rotation settings.
virtual void MoveCursorTo(const gfx::PointF& location) = 0;
// Simulates a mouse button click. |button| must be one of
// SystemInputInjector will apply the correct modifiers (shift, ctrl, etc).
virtual void InjectMouseButton(EventFlags button, bool down) = 0;
// |delta_x| and |delta_y| are in physical pixels independent of the scale
// factor.
virtual void InjectMouseWheel(int delta_x, int delta_y) = 0;
// Simulates a key event. SystemInputInjector maps |physical_key| to the
// correct logical key based on the current keyboard layout. |down| is true
// for presses. If |suppress_auto_repeat| is set, the platform must not
// auto-repeat the event.
virtual void InjectKeyEvent(DomCode physical_key,
bool down,
bool suppress_auto_repeat) = 0;
class EVENTS_EXPORT SystemInputInjectorFactory {
virtual std::unique_ptr<SystemInputInjector> CreateSystemInputInjector() = 0;
~SystemInputInjectorFactory() {}
// Sets a global SystemInputInjectorFactory which is used in remoting instead
// of requesting the usual Ozone version.
// This is placed in //ui/events not just since it's event related, but also
// because its one of the few places that both //remoting/ and //ui/ozone can
// depend on.
EVENTS_EXPORT void SetSystemInputInjectorFactory(
SystemInputInjectorFactory* factory);
// Returns the override input injector factory, or null if neither are set.
EVENTS_EXPORT SystemInputInjectorFactory* GetSystemInputInjectorFactory();
} // namespace ui