mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-25 13:51:41 +00:00
126 lines
4.0 KiB
C++
126 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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_dom_UIEvent_h_
|
|
#define mozilla_dom_UIEvent_h_
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "mozilla/dom/Event.h"
|
|
#include "mozilla/dom/Nullable.h"
|
|
#include "mozilla/dom/UIEventBinding.h"
|
|
#include "mozilla/dom/WindowProxyHolder.h"
|
|
#include "nsDeviceContext.h"
|
|
#include "nsDocShell.h"
|
|
#include "nsIContent.h"
|
|
#include "nsPresContext.h"
|
|
|
|
class nsINode;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
class UIEvent : public Event {
|
|
public:
|
|
UIEvent(EventTarget* aOwner, nsPresContext* aPresContext,
|
|
WidgetGUIEvent* aEvent);
|
|
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(UIEvent, Event)
|
|
|
|
void DuplicatePrivateData() override;
|
|
void Serialize(IPC::Message* aMsg, bool aSerializeInterfaceType) override;
|
|
bool Deserialize(const IPC::Message* aMsg, PickleIterator* aIter) override;
|
|
|
|
static already_AddRefed<UIEvent> Constructor(const GlobalObject& aGlobal,
|
|
const nsAString& aType,
|
|
const UIEventInit& aParam);
|
|
|
|
virtual JSObject* WrapObjectInternal(
|
|
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override {
|
|
return UIEvent_Binding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
UIEvent* AsUIEvent() override { return this; }
|
|
|
|
void InitUIEvent(const nsAString& typeArg, bool canBubbleArg,
|
|
bool cancelableArg, nsGlobalWindowInner* viewArg,
|
|
int32_t detailArg);
|
|
|
|
Nullable<WindowProxyHolder> GetView() const {
|
|
if (!mView) {
|
|
return nullptr;
|
|
}
|
|
return WindowProxyHolder(mView->GetBrowsingContext());
|
|
}
|
|
|
|
int32_t Detail() const { return mDetail; }
|
|
|
|
int32_t LayerX() const { return GetLayerPoint().x; }
|
|
|
|
int32_t LayerY() const { return GetLayerPoint().y; }
|
|
|
|
virtual uint32_t Which(CallerType aCallerType = CallerType::System) {
|
|
MOZ_ASSERT(mEvent->mClass != eKeyboardEventClass,
|
|
"Key events should override Which()");
|
|
MOZ_ASSERT(mEvent->mClass != eMouseEventClass,
|
|
"Mouse events should override Which()");
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* GetRangeParent() should be used only by JS. C++ callers should use
|
|
* GetRangeParentContent() or GetRangeParentContentAndOffset() instead.
|
|
*/
|
|
MOZ_CAN_RUN_SCRIPT already_AddRefed<nsINode> GetRangeParent() {
|
|
return GetRangeParentContent();
|
|
}
|
|
MOZ_CAN_RUN_SCRIPT already_AddRefed<nsIContent> GetRangeParentContent() {
|
|
return GetRangeParentContentAndOffset(nullptr);
|
|
}
|
|
/**
|
|
* aOffset is optional (i.e., can be nullptr), but when you call this with
|
|
* nullptr, you should use GetRangeParentContent() instead.
|
|
*/
|
|
MOZ_CAN_RUN_SCRIPT already_AddRefed<nsIContent>
|
|
GetRangeParentContentAndOffset(int32_t* aOffset) const;
|
|
|
|
/**
|
|
* If you also need to compute range parent in C++ code, you should use
|
|
* GetRangeParentContentAndOffset() instead.
|
|
*/
|
|
MOZ_CAN_RUN_SCRIPT int32_t RangeOffset() const;
|
|
|
|
protected:
|
|
~UIEvent() = default;
|
|
|
|
// Internal helper functions
|
|
nsIntPoint GetMovementPoint();
|
|
nsIntPoint GetLayerPoint() const;
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> mView;
|
|
int32_t mDetail;
|
|
CSSIntPoint mClientPoint;
|
|
// Screenpoint is mEvent->mRefPoint.
|
|
nsIntPoint mLayerPoint;
|
|
CSSIntPoint mPagePoint;
|
|
nsIntPoint mMovementPoint;
|
|
bool mIsPointerLocked;
|
|
CSSIntPoint mLastClientPoint;
|
|
|
|
static Modifiers ComputeModifierState(const nsAString& aModifiersList);
|
|
bool GetModifierStateInternal(const nsAString& aKey);
|
|
void InitModifiers(const EventModifierInit& aParam);
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
already_AddRefed<mozilla::dom::UIEvent> NS_NewDOMUIEvent(
|
|
mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext,
|
|
mozilla::WidgetGUIEvent* aEvent);
|
|
|
|
#endif // mozilla_dom_UIEvent_h_
|