gecko-dev/widget/ContentEvents.h

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/* -*- 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,
const WidgetEventTime* aTime = nullptr)
: WidgetGUIEvent(aIsTrusted, aMessage, aWidget, eScrollPortEventClass,
aTime),
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, this);
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,
const WidgetEventTime* aTime = nullptr)
: WidgetGUIEvent(aIsTrusted, aMessage, aWidget, eScrollAreaEventClass,
aTime) {}
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, this);
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,
const WidgetEventTime* aTime = nullptr)
: WidgetEvent(aIsTrusted, aMessage, eFormEventClass, aTime),
mOriginator(nullptr) {}
virtual WidgetEvent* Duplicate() const override {
MOZ_ASSERT(mClass == eFormEventClass,
"Duplicate() must be overridden by sub class");
InternalFormEvent* result = new InternalFormEvent(false, mMessage, this);
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,
const WidgetEventTime* aTime = nullptr)
: WidgetEvent(aIsTrusted, aMessage, eClipboardEventClass, aTime) {}
virtual WidgetEvent* Duplicate() const override {
MOZ_ASSERT(mClass == eClipboardEventClass,
"Duplicate() must be overridden by sub class");
InternalClipboardEvent* result =
new InternalClipboardEvent(false, mMessage, this);
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,
const WidgetEventTime* aTime = nullptr)
: InternalUIEvent(aIsTrusted, aMessage, eFocusEventClass, aTime),
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, this);
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,
const WidgetEventTime* aTime = nullptr)
: WidgetEvent(aIsTrusted, aMessage, eTransitionEventClass, aTime),
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, this);
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,
const WidgetEventTime* aTime = nullptr)
: WidgetEvent(aIsTrusted, aMessage, eAnimationEventClass, aTime),
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, this);
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,
const WidgetEventTime* aTime = nullptr)
: InternalUIEvent(aIsTrusted, aMessage, eSMILTimeEventClass, aTime) {}
virtual WidgetEvent* Duplicate() const override {
MOZ_ASSERT(mClass == eSMILTimeEventClass,
"Duplicate() must be overridden by sub class");
InternalSMILTimeEvent* result =
new InternalSMILTimeEvent(false, mMessage, this);
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__