blob: 73e3cdc99cc68198836d7ab269502f7a10669561 [file] [log] [blame]
// 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 <stdint.h>
#include "base/macros.h"
#include "ui/events/gestures/gesture_recognizer.h"
namespace ui {
namespace {
// Stub implementation of GestureRecognizer for Mac. Currently only serves to
// provide a no-op implementation of TransferEventsTo().
class GestureRecognizerImplMac : public GestureRecognizer {
public:
GestureRecognizerImplMac() {}
~GestureRecognizerImplMac() override {}
private:
bool ProcessTouchEventPreDispatch(TouchEvent* event,
GestureConsumer* consumer) override {
return false;
}
Gestures* AckTouchEvent(uint32_t unique_event_id,
ui::EventResult result,
GestureConsumer* consumer) override {
return NULL;
}
bool CleanupStateForConsumer(GestureConsumer* consumer) override {
return false;
}
GestureConsumer* GetTouchLockedTarget(const TouchEvent& event) override {
return NULL;
}
GestureConsumer* GetTargetForLocation(const gfx::PointF& location,
int source_device_id) override {
return NULL;
}
void CancelActiveTouchesExcept(GestureConsumer* not_cancelled) override {}
void TransferEventsTo(GestureConsumer* current_consumer,
GestureConsumer* new_consumer,
ShouldCancelTouches should_cancel_touches) override {}
bool GetLastTouchPointForTarget(GestureConsumer* consumer,
gfx::PointF* point) override {
return false;
}
bool CancelActiveTouches(GestureConsumer* consumer) override { return false; }
void AddGestureEventHelper(GestureEventHelper* helper) override {}
void RemoveGestureEventHelper(GestureEventHelper* helper) override {}
DISALLOW_COPY_AND_ASSIGN(GestureRecognizerImplMac);
};
} // namespace
// static
GestureRecognizer* GestureRecognizer::Get() {
CR_DEFINE_STATIC_LOCAL(GestureRecognizerImplMac, instance, ());
return &instance;
}
} // namespace ui