/* -*- 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 "nsString.h"

class nsIContent;

namespace mozilla {

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

 * mozilla::InternalScrollPortEvent

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

class InternalScrollPortEvent : public WidgetGUIEvent

{

public:

  virtual InternalScrollPortEvent* AsScrollPortEvent() override

  {

    return this;

  }

  enum OrientType

  {

    eVertical,

    eHorizontal,

    eBoth

  };

  InternalScrollPortEvent(bool aIsTrusted, EventMessage aMessage,

                          nsIWidget* aWidget)

    : WidgetGUIEvent(aIsTrusted, aMessage, aWidget, eScrollPortEventClass)

    , mOrient(eVertical)

  {

  }

  virtual WidgetEvent* Duplicate() const override

  {

    MOZ_ASSERT(mClass == eScrollPortEventClass,

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

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

    InternalScrollPortEvent* result =

      new InternalScrollPortEvent(false, mMessage, nullptr);

    result->AssignScrollPortEventData(*this, true);

    result->mFlags = mFlags;

    return result;

  }

  OrientType mOrient;

  void AssignScrollPortEventData(const InternalScrollPortEvent& aEvent,

                                 bool aCopyTargets)

  {

    AssignGUIEventData(aEvent, aCopyTargets);

    mOrient = aEvent.mOrient;

  }

};

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

 * mozilla::InternalScrollPortEvent

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

class InternalScrollAreaEvent : public WidgetGUIEvent

{

public:

  virtual InternalScrollAreaEvent* AsScrollAreaEvent() override

  {

    return this;

  }

  InternalScrollAreaEvent(bool aIsTrusted, EventMessage aMessage,

                          nsIWidget* aWidget)

    : WidgetGUIEvent(aIsTrusted, aMessage, aWidget, eScrollAreaEventClass)

  {

  }

  virtual WidgetEvent* Duplicate() const override

  {

    MOZ_ASSERT(mClass == eScrollAreaEventClass,

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

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

    InternalScrollAreaEvent* result =

      new InternalScrollAreaEvent(false, mMessage, 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.

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

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

class InternalFormEvent : public WidgetEvent

{

public:

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

  InternalFormEvent(bool aIsTrusted, EventMessage aMessage)

    : WidgetEvent(aIsTrusted, aMessage, eFormEventClass)

    , mOriginator(nullptr)

  {

  }

  virtual WidgetEvent* Duplicate() const override

  {

    MOZ_ASSERT(mClass == eFormEventClass,

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

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

    result->AssignFormEventData(*this, true);

    result->mFlags = mFlags;

    return result;

  }

  nsIContent* mOriginator;

  void AssignFormEventData(const InternalFormEvent& aEvent, bool aCopyTargets)

  {

    AssignEventData(aEvent, aCopyTargets);

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

  }

};

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

 * mozilla::InternalClipboardEvent

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

class InternalClipboardEvent : public WidgetEvent

{

public:

  virtual InternalClipboardEvent* AsClipboardEvent() override

  {

    return this;

  }

  InternalClipboardEvent(bool aIsTrusted, EventMessage aMessage)

    : WidgetEvent(aIsTrusted, aMessage, eClipboardEventClass)

  {

  }

  virtual WidgetEvent* Duplicate() const override

  {

    MOZ_ASSERT(mClass == eClipboardEventClass,

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

    InternalClipboardEvent* result =

      new InternalClipboardEvent(false, mMessage);

    result->AssignClipboardEventData(*this, true);

    result->mFlags = mFlags;

    return result;

  }

  nsCOMPtr<dom::DataTransfer> mClipboardData;

  void AssignClipboardEventData(const InternalClipboardEvent& aEvent,

                                bool aCopyTargets)

  {

    AssignEventData(aEvent, aCopyTargets);

    mClipboardData = aEvent.mClipboardData;

  }

};

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

 * mozilla::InternalFocusEvent

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

class InternalFocusEvent : public InternalUIEvent

{

public:

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

  InternalFocusEvent(bool aIsTrusted, EventMessage aMessage)

    : InternalUIEvent(aIsTrusted, aMessage, eFocusEventClass)

    , mFromRaise(false)

    , mIsRefocus(false)

  {

  }

  virtual WidgetEvent* Duplicate() const override

  {

    MOZ_ASSERT(mClass == eFocusEventClass,

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

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

    result->AssignFocusEventData(*this, true);

    result->mFlags = mFlags;

    return result;

  }

  bool mFromRaise;

  bool mIsRefocus;

  void AssignFocusEventData(const InternalFocusEvent& aEvent, bool aCopyTargets)

  {

    AssignUIEventData(aEvent, aCopyTargets);

    mFromRaise = aEvent.mFromRaise;

    mIsRefocus = aEvent.mIsRefocus;

  }

};

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

 * mozilla::InternalTransitionEvent

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

class InternalTransitionEvent : public WidgetEvent

{

public:

  virtual InternalTransitionEvent* AsTransitionEvent() override

  {

    return this;

  }

  InternalTransitionEvent(bool aIsTrusted, EventMessage aMessage)

    : WidgetEvent(aIsTrusted, aMessage, eTransitionEventClass)

    , mElapsedTime(0.0)

  {

  }

  InternalTransitionEvent(const InternalTransitionEvent& aOther) = delete;

  InternalTransitionEvent& operator=(const InternalTransitionEvent& aOther) = delete;

  InternalTransitionEvent(InternalTransitionEvent&& aOther) = default;

  InternalTransitionEvent& operator=(InternalTransitionEvent&& aOther) = default;

  virtual WidgetEvent* Duplicate() const override

  {

    MOZ_ASSERT(mClass == eTransitionEventClass,

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

    InternalTransitionEvent* result =

      new InternalTransitionEvent(false, mMessage);

    result->AssignTransitionEventData(*this, true);

    result->mFlags = mFlags;

    return result;

  }

  nsString mPropertyName;

  nsString mPseudoElement;

  float mElapsedTime;

  void AssignTransitionEventData(const InternalTransitionEvent& aEvent,

                                 bool aCopyTargets)

  {

    AssignEventData(aEvent, aCopyTargets);

    mPropertyName = aEvent.mPropertyName;

    mElapsedTime = aEvent.mElapsedTime;

    mPseudoElement = aEvent.mPseudoElement;

  }

};

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

 * mozilla::InternalAnimationEvent

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

class InternalAnimationEvent : public WidgetEvent

{

public:

  virtual InternalAnimationEvent* AsAnimationEvent() override

  {

    return this;

  }

  InternalAnimationEvent(bool aIsTrusted, EventMessage aMessage)

    : WidgetEvent(aIsTrusted, aMessage, eAnimationEventClass)

    , mElapsedTime(0.0)

  {

  }

  InternalAnimationEvent(const InternalAnimationEvent& aOther) = delete;

  InternalAnimationEvent& operator=(const InternalAnimationEvent& aOther) = delete;

  InternalAnimationEvent(InternalAnimationEvent&& aOther) = default;

  InternalAnimationEvent& operator=(InternalAnimationEvent&& aOther) = default;

  virtual WidgetEvent* Duplicate() const override

  {

    MOZ_ASSERT(mClass == eAnimationEventClass,

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

    InternalAnimationEvent* result =

      new InternalAnimationEvent(false, mMessage);

    result->AssignAnimationEventData(*this, true);

    result->mFlags = mFlags;

    return result;

  }

  nsString mAnimationName;

  nsString mPseudoElement;

  float mElapsedTime;

  void AssignAnimationEventData(const InternalAnimationEvent& aEvent,

                                bool aCopyTargets)

  {

    AssignEventData(aEvent, aCopyTargets);

    mAnimationName = aEvent.mAnimationName;

    mElapsedTime = aEvent.mElapsedTime;

    mPseudoElement = aEvent.mPseudoElement;

  }

};

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

 * mozilla::InternalSMILTimeEvent

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

class InternalSMILTimeEvent : public InternalUIEvent

{

public:

  virtual InternalSMILTimeEvent* AsSMILTimeEvent() override

  {

    return this;

  }

  InternalSMILTimeEvent(bool aIsTrusted, EventMessage aMessage)

    : InternalUIEvent(aIsTrusted, aMessage, eSMILTimeEventClass)

  {

  }

  virtual WidgetEvent* Duplicate() const override

  {

    MOZ_ASSERT(mClass == eSMILTimeEventClass,

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

    InternalSMILTimeEvent* result = new InternalSMILTimeEvent(false, mMessage);

    result->AssignSMILTimeEventData(*this, true);

    result->mFlags = mFlags;

    return result;

  }

  void AssignSMILTimeEventData(const InternalSMILTimeEvent& aEvent,

                               bool aCopyTargets)

  {

    AssignUIEventData(aEvent, aCopyTargets);

  }

};

} // namespace mozilla

#endif // mozilla_ContentEvents_h__