The Tor Browser / file revision

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 #ifndef mozilla_ContentEvents_h__

 #define mozilla_ContentEvents_h__

 #include <stdint.h>

 #include "mozilla/BasicEvents.h"

 #include "mozilla/dom/DataTransfer.h"

 #include "mozilla/dom/EventTarget.h"

 #include "nsCOMPtr.h"

 #include "nsRect.h"

 #include "nsStringGlue.h"

 class nsIContent;

 namespace mozilla {

 /******************************************************************************

  * mozilla::InternalScrollPortEvent

  ******************************************************************************/

 class InternalScrollPortEvent : public WidgetGUIEvent

 {

 public:

   virtual InternalScrollPortEvent* AsScrollPortEvent() MOZ_OVERRIDE

   {

     return this;

   }

   enum orientType

   {

     vertical   = 0,

     horizontal = 1,

     both       = 2

   };

   InternalScrollPortEvent(bool aIsTrusted, uint32_t aMessage,

                           nsIWidget* aWidget) :

     WidgetGUIEvent(aIsTrusted, aMessage, aWidget, NS_SCROLLPORT_EVENT),

     orient(vertical)

   {

   }

   virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE

   {

     MOZ_ASSERT(eventStructType == NS_SCROLLPORT_EVENT,

                "Duplicate() must be overridden by sub class");

     // Not copying widget, it is a weak reference.

     InternalScrollPortEvent* result =

       new InternalScrollPortEvent(false, message, nullptr);

     result->AssignScrollPortEventData(*this, true);

     result->mFlags = mFlags;

     return result;

   }

   orientType orient;

   void AssignScrollPortEventData(const InternalScrollPortEvent& aEvent,

                                  bool aCopyTargets)

   {

     AssignGUIEventData(aEvent, aCopyTargets);

     orient = aEvent.orient;

   }

 };

 /******************************************************************************

  * mozilla::InternalScrollPortEvent

  ******************************************************************************/

 class InternalScrollAreaEvent : public WidgetGUIEvent

 {

 public:

   virtual InternalScrollAreaEvent* AsScrollAreaEvent() MOZ_OVERRIDE

   {

     return this;

   }

   InternalScrollAreaEvent(bool aIsTrusted, uint32_t aMessage,

                           nsIWidget* aWidget) :

     WidgetGUIEvent(aIsTrusted, aMessage, aWidget, NS_SCROLLAREA_EVENT)

   {

   }

   virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE

   {

     MOZ_ASSERT(eventStructType == NS_SCROLLAREA_EVENT,

                "Duplicate() must be overridden by sub class");

     // Not copying widget, it is a weak reference.

     InternalScrollAreaEvent* result =

       new InternalScrollAreaEvent(false, message, nullptr);

     result->AssignScrollAreaEventData(*this, true);

     result->mFlags = mFlags;

     return result;

   }

   nsRect mArea;

   void AssignScrollAreaEventData(const InternalScrollAreaEvent& aEvent,

                                  bool aCopyTargets)

   {

     AssignGUIEventData(aEvent, aCopyTargets);

     mArea = aEvent.mArea;

   }

 };

 /******************************************************************************

  * mozilla::InternalFormEvent

  *

  * We hold the originating form control for form submit and reset events.

  * originator is a weak pointer (does not hold a strong reference).

  ******************************************************************************/

 class InternalFormEvent : public WidgetEvent

 {

 public:

   virtual InternalFormEvent* AsFormEvent() MOZ_OVERRIDE { return this; }

   InternalFormEvent(bool aIsTrusted, uint32_t aMessage) :

     WidgetEvent(aIsTrusted, aMessage, NS_FORM_EVENT),

     originator(nullptr)

   {

   }

   virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE

   {

     MOZ_ASSERT(eventStructType == NS_FORM_EVENT,

                "Duplicate() must be overridden by sub class");

     InternalFormEvent* result = new InternalFormEvent(false, message);

     result->AssignFormEventData(*this, true);

     result->mFlags = mFlags;

     return result;

   }

   nsIContent *originator;

   void AssignFormEventData(const InternalFormEvent& aEvent, bool aCopyTargets)

   {

     AssignEventData(aEvent, aCopyTargets);

     // Don't copy originator due to a weak pointer.

   }

 };

 /******************************************************************************

  * mozilla::InternalClipboardEvent

  ******************************************************************************/

 class InternalClipboardEvent : public WidgetEvent

 {

 public:

   virtual InternalClipboardEvent* AsClipboardEvent() MOZ_OVERRIDE

   {

     return this;

   }

   InternalClipboardEvent(bool aIsTrusted, uint32_t aMessage) :

     WidgetEvent(aIsTrusted, aMessage, NS_CLIPBOARD_EVENT)

   {

   }

   virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE

   {

     MOZ_ASSERT(eventStructType == NS_CLIPBOARD_EVENT,

                "Duplicate() must be overridden by sub class");

     InternalClipboardEvent* result = new InternalClipboardEvent(false, message);

     result->AssignClipboardEventData(*this, true);

     result->mFlags = mFlags;

     return result;

   }

   nsCOMPtr<dom::DataTransfer> clipboardData;

   void AssignClipboardEventData(const InternalClipboardEvent& aEvent,

                                 bool aCopyTargets)

   {

     AssignEventData(aEvent, aCopyTargets);

     clipboardData = aEvent.clipboardData;

   }

 };

 /******************************************************************************

  * mozilla::InternalFocusEvent

  ******************************************************************************/

 class InternalFocusEvent : public InternalUIEvent

 {

 public:

   virtual InternalFocusEvent* AsFocusEvent() MOZ_OVERRIDE { return this; }

   InternalFocusEvent(bool aIsTrusted, uint32_t aMessage) :

     InternalUIEvent(aIsTrusted, aMessage, NS_FOCUS_EVENT),

     fromRaise(false), isRefocus(false)

   {

   }

   virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE

   {

     MOZ_ASSERT(eventStructType == NS_FOCUS_EVENT,

                "Duplicate() must be overridden by sub class");

     InternalFocusEvent* result = new InternalFocusEvent(false, message);

     result->AssignFocusEventData(*this, true);

     result->mFlags = mFlags;

     return result;

   }

   /// The possible related target

   nsCOMPtr<dom::EventTarget> relatedTarget;

   bool fromRaise;

   bool isRefocus;

   void AssignFocusEventData(const InternalFocusEvent& aEvent, bool aCopyTargets)

   {

     AssignUIEventData(aEvent, aCopyTargets);

     relatedTarget = aCopyTargets ? aEvent.relatedTarget : nullptr;

     fromRaise = aEvent.fromRaise;

     isRefocus = aEvent.isRefocus;

   }

 };

 /******************************************************************************

  * mozilla::InternalTransitionEvent

  ******************************************************************************/

 class InternalTransitionEvent : public WidgetEvent

 {

 public:

   virtual InternalTransitionEvent* AsTransitionEvent() MOZ_OVERRIDE

   {

     return this;

   }

   InternalTransitionEvent(bool aIsTrusted, uint32_t aMessage)

     : WidgetEvent(aIsTrusted, aMessage, NS_TRANSITION_EVENT)

     , elapsedTime(0.0)

   {

     mFlags.mCancelable = false;

   }

   virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE

   {

     MOZ_ASSERT(eventStructType == NS_TRANSITION_EVENT,

                "Duplicate() must be overridden by sub class");

     InternalTransitionEvent* result =

       new InternalTransitionEvent(false, message);

     result->AssignTransitionEventData(*this, true);

     result->mFlags = mFlags;

     return result;

   }

   nsString propertyName;

   float elapsedTime;

   nsString pseudoElement;

   void AssignTransitionEventData(const InternalTransitionEvent& aEvent,

                                  bool aCopyTargets)

   {

     AssignEventData(aEvent, aCopyTargets);

     propertyName = aEvent.propertyName;

     elapsedTime = aEvent.elapsedTime;

     pseudoElement = aEvent.pseudoElement;

   }

 };

 /******************************************************************************

  * mozilla::InternalAnimationEvent

  ******************************************************************************/

 class InternalAnimationEvent : public WidgetEvent

 {

 public:

   virtual InternalAnimationEvent* AsAnimationEvent() MOZ_OVERRIDE

   {

     return this;

   }

   InternalAnimationEvent(bool aIsTrusted, uint32_t aMessage)

     : WidgetEvent(aIsTrusted, aMessage, NS_ANIMATION_EVENT)

     , elapsedTime(0.0)

   {

     mFlags.mCancelable = false;

   }

   virtual WidgetEvent* Duplicate() const MOZ_OVERRIDE

   {

     MOZ_ASSERT(eventStructType == NS_ANIMATION_EVENT,

                "Duplicate() must be overridden by sub class");

     InternalAnimationEvent* result = new InternalAnimationEvent(false, message);

     result->AssignAnimationEventData(*this, true);

     result->mFlags = mFlags;

     return result;

   }

   nsString animationName;

   float elapsedTime;

   nsString pseudoElement;

   void AssignAnimationEventData(const InternalAnimationEvent& aEvent,

                                 bool aCopyTargets)

   {

     AssignEventData(aEvent, aCopyTargets);

     animationName = aEvent.animationName;

     elapsedTime = aEvent.elapsedTime;

     pseudoElement = aEvent.pseudoElement;

   }

 };

 } // namespace mozilla

 #endif // mozilla_ContentEvents_h__