Track constant InputDeviceCapabilities objects per-window.

third_party/WebKit/Source/core/events/CompositionEvent.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. 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 APPLE COMPUTER, INC. ``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
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 #include "core/events/CompositionEvent.h"
 
+#include "core/input/InputDeviceCapabilities.h"
+
 namespace blink {
 
 CompositionEvent::CompositionEvent() {}
 
 CompositionEvent::CompositionEvent(const AtomicString& type,
                                    AbstractView* view,
                                    const String& data)
-    : UIEvent(
-          type,
-          true,
-          true,
-          ComposedMode::Composed,
-          TimeTicks::Now(),
-          view,
-          0,
-          InputDeviceCapabilities::doesntFireTouchEventsSourceCapabilities()),
+    : UIEvent(type,
+              true,
+              true,
+              ComposedMode::Composed,
+              TimeTicks::Now(),
+              view,
+              0,
+              view ? view->getInputDeviceCapabilities()->firesTouchEvents(false)
+                   : nullptr),
       m_data(data) {}
 
 CompositionEvent::CompositionEvent(const AtomicString& type,
                                    const CompositionEventInit& initializer)
     : UIEvent(type, initializer) {
   if (initializer.hasData())
     m_data = initializer.data();
 }
 
 CompositionEvent::~CompositionEvent() {}
@@ skipping 13 matching lines @@
 
 const AtomicString& CompositionEvent::interfaceName() const {
   return EventNames::CompositionEvent;
 }
 
 DEFINE_TRACE(CompositionEvent) {
   UIEvent::trace(visitor);
 }
 
 }  // namespace blink