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/*
* Copyright 2008, The Android Open Source Project
* Copyright (C) 2012 Research In Motion Limited. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TouchEvent_h
#define TouchEvent_h
#include "core/CoreExport.h"
#include "core/events/TouchEventInit.h"
#include "core/events/UIEventWithKeyState.h"
#include "core/input/TouchList.h"
#include "platform/graphics/TouchAction.h"
#include "public/platform/WebCoalescedInputEvent.h"
#include "public/platform/WebTouchEvent.h"
namespace blink {
class CORE_EXPORT TouchEvent final : public UIEventWithKeyState {
DEFINE_WRAPPERTYPEINFO();
public:
~TouchEvent() override;
// We only initialize sourceCapabilities when we create TouchEvent from
// EventHandler, null if it is from JavaScript.
static TouchEvent* Create() { return new TouchEvent; }
static TouchEvent* Create(const WebCoalescedInputEvent& event,
TouchList* touches,
TouchList* target_touches,
TouchList* changed_touches,
const AtomicString& type,
AbstractView* view,
TouchAction current_touch_action) {
return new TouchEvent(event, touches, target_touches, changed_touches, type,
view, current_touch_action);
}
static TouchEvent* Create(const AtomicString& type,
const TouchEventInit& initializer) {
return new TouchEvent(type, initializer);
}
TouchList* touches() const { return touches_.Get(); }
TouchList* targetTouches() const { return target_touches_.Get(); }
TouchList* changedTouches() const { return changed_touches_.Get(); }
void SetTouches(TouchList* touches) { touches_ = touches; }
void SetTargetTouches(TouchList* target_touches) {
target_touches_ = target_touches;
}
void SetChangedTouches(TouchList* changed_touches) {
changed_touches_ = changed_touches;
}
bool IsTouchEvent() const override;
const AtomicString& InterfaceName() const override;
void preventDefault() override;
void DoneDispatchingEventAtCurrentTarget() override;
const WebCoalescedInputEvent* NativeEvent() const {
return native_event_.get();
}
DispatchEventResult DispatchEvent(EventDispatcher&) override;
virtual void Trace(blink::Visitor*);
private:
TouchEvent();
TouchEvent(const WebCoalescedInputEvent&,
TouchList* touches,
TouchList* target_touches,
TouchList* changed_touches,
const AtomicString& type,
AbstractView*,
TouchAction current_touch_action);
TouchEvent(const AtomicString&, const TouchEventInit&);
bool IsTouchStartOrFirstTouchMove() const;
Member<TouchList> touches_;
Member<TouchList> target_touches_;
Member<TouchList> changed_touches_;
bool default_prevented_before_current_target_;
// The current effective touch action computed before each
// touchstart event is generated. It is used for UMA histograms.
TouchAction current_touch_action_;
std::unique_ptr<WebCoalescedInputEvent> native_event_;
};
DEFINE_EVENT_TYPE_CASTS(TouchEvent);
} // namespace blink
#endif // TouchEvent_h