| /* |
| * 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 THIRD_PARTY_BLINK_RENDERER_CORE_EVENTS_TOUCH_EVENT_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_EVENTS_TOUCH_EVENT_H_ |
| |
| #include "third_party/blink/public/platform/web_coalesced_input_event.h" |
| #include "third_party/blink/public/platform/web_touch_event.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/events/touch_event_init.h" |
| #include "third_party/blink/renderer/core/events/ui_event_with_key_state.h" |
| #include "third_party/blink/renderer/core/input/touch_list.h" |
| #include "third_party/blink/renderer/platform/graphics/touch_action.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 MakeGarbageCollected<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 MakeGarbageCollected<TouchEvent>(event, touches, target_touches, |
| changed_touches, type, view, |
| current_touch_action); |
| } |
| |
| static TouchEvent* Create(const AtomicString& type, |
| const TouchEventInit* initializer) { |
| return MakeGarbageCollected<TouchEvent>(type, initializer); |
| } |
| |
| 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*); |
| |
| 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; |
| |
| void Trace(blink::Visitor*) override; |
| |
| private: |
| 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 // THIRD_PARTY_BLINK_RENDERER_CORE_EVENTS_TOUCH_EVENT_H_ |