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// Copyright 2017 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.
#ifndef UI_ANDROID_VIEW_CLIENT_H_
#define UI_ANDROID_VIEW_CLIENT_H_
#include "ui/android/ui_android_export.h"
namespace ui {
class DragEventAndroid;
class MotionEventAndroid;
// Client interface used to forward events from Java to native views.
// Calls are dispatched to its children along the hierarchy of ViewAndroid.
// Use bool return type to stop propagating the call i.e. overriden method
// should return true to indicate that the event was handled and stop
// the processing.
class UI_ANDROID_EXPORT ViewClient {
public:
virtual bool OnTouchEvent(const MotionEventAndroid& event);
virtual bool OnMouseEvent(const MotionEventAndroid& event);
virtual bool OnMouseWheelEvent(const MotionEventAndroid& event);
virtual bool OnDragEvent(const DragEventAndroid& event);
virtual void OnSizeChanged();
virtual void OnPhysicalBackingSizeChanged();
};
} // namespace ui
#endif // UI_ANDROID_VIEW_CLIENT_H_
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