touch_event.cc | Explore in Territory

/*
 * 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.
 */

#include "third_party/blink/renderer/core/events/touch_event.h"

#include <memory>

#include "third_party/blink/public/common/input/web_coalesced_input_event.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_touch_event_init.h"
#include "third_party/blink/renderer/core/dom/events/event_dispatcher.h"
#include "third_party/blink/renderer/core/dom/events/event_path.h"
#include "third_party/blink/renderer/core/event_interface_names.h"
#include "third_party/blink/renderer/core/frame/frame_console.h"
#include "third_party/blink/renderer/core/frame/intervention.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/local_frame_view.h"
#include "third_party/blink/renderer/core/frame/web_feature.h"
#include "third_party/blink/renderer/core/html/html_element.h"
#include "third_party/blink/renderer/core/input/input_device_capabilities.h"
#include "third_party/blink/renderer/core/inspector/console_message.h"
#include "third_party/blink/renderer/core/paint/paint_layer_scrollable_area.h"
#include "third_party/blink/renderer/platform/bindings/dom_wrapper_world.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/instrumentation/histogram.h"
#include "third_party/blink/renderer/platform/instrumentation/use_counter.h"

namespace blink {

namespace {

// Helper function to get WebTouchEvent from WebCoalescedInputEvent.
const WebTouchEvent* GetWebTouchEvent(const WebCoalescedInputEvent& event) { … }
}  // namespace

TouchEvent::TouchEvent() : … { … }

TouchEvent::TouchEvent(const WebCoalescedInputEvent& event,
                       TouchList* touches,
                       TouchList* target_touches,
                       TouchList* changed_touches,
                       const AtomicString& type,
                       AbstractView* view,
                       TouchAction current_touch_action)
    // Pass a sourceCapabilities including the ability to fire touchevents when
    // creating this touchevent, which is always created from input device
    // capabilities from EventHandler.
    : … { … }

TouchEvent::TouchEvent(const AtomicString& type,
                       const TouchEventInit* initializer)
    : … { … }

TouchEvent::~TouchEvent() = default;

const AtomicString& TouchEvent::InterfaceName() const { … }

bool TouchEvent::IsTouchEvent() const { … }

void TouchEvent::preventDefault() { … }

bool TouchEvent::IsTouchStartOrFirstTouchMove() const { … }

void TouchEvent::Trace(Visitor* visitor) const { … }

DispatchEventResult TouchEvent::DispatchEvent(EventDispatcher& dispatcher) { … }

}  // namespace blink
chromium/third_party/blink/renderer/core/events/touch_event.cc
