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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/. */
#include "nsDOMMouseEvent.h"
#include "nsGUIEvent.h"
#include "nsIContent.h"
#include "nsContentUtils.h"
using namespace mozilla;
nsDOMMouseEvent::nsDOMMouseEvent(mozilla::dom::EventTarget* aOwner,
nsPresContext* aPresContext,
nsInputEvent* aEvent)
: nsDOMUIEvent(aOwner, aPresContext, aEvent ? aEvent :
new nsMouseEvent(false, 0, nullptr,
nsMouseEvent::eReal))
{
// There's no way to make this class' ctor allocate an nsMouseScrollEvent.
// It's not that important, though, since a scroll event is not a real
// DOM event.
if (aEvent) {
mEventIsInternal = false;
}
else {
mEventIsInternal = true;
mEvent->time = PR_Now();
mEvent->refPoint.x = mEvent->refPoint.y = 0;
static_cast<nsMouseEvent*>(mEvent)->inputSource = nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN;
}
switch (mEvent->eventStructType)
{
case NS_MOUSE_EVENT:
NS_ASSERTION(static_cast<nsMouseEvent*>(mEvent)->reason
!= nsMouseEvent::eSynthesized,
"Don't dispatch DOM events from synthesized mouse events");
mDetail = static_cast<nsMouseEvent*>(mEvent)->clickCount;
break;
default:
break;
}
}
nsDOMMouseEvent::~nsDOMMouseEvent()
{
if (mEventIsInternal && mEvent) {
switch (mEvent->eventStructType)
{
case NS_MOUSE_EVENT:
delete static_cast<nsMouseEvent*>(mEvent);
break;
default:
delete mEvent;
break;
}
mEvent = nullptr;
}
}
NS_IMPL_ADDREF_INHERITED(nsDOMMouseEvent, nsDOMUIEvent)
NS_IMPL_RELEASE_INHERITED(nsDOMMouseEvent, nsDOMUIEvent)
NS_INTERFACE_MAP_BEGIN(nsDOMMouseEvent)
NS_INTERFACE_MAP_ENTRY(nsIDOMMouseEvent)
NS_INTERFACE_MAP_END_INHERITING(nsDOMUIEvent)
NS_IMETHODIMP
nsDOMMouseEvent::InitMouseEvent(const nsAString & aType, bool aCanBubble, bool aCancelable,
nsIDOMWindow* aView, int32_t aDetail, int32_t aScreenX,
int32_t aScreenY, int32_t aClientX, int32_t aClientY,
bool aCtrlKey, bool aAltKey, bool aShiftKey,
bool aMetaKey, uint16_t aButton, nsIDOMEventTarget *aRelatedTarget)
{
nsresult rv = nsDOMUIEvent::InitUIEvent(aType, aCanBubble, aCancelable, aView, aDetail);
NS_ENSURE_SUCCESS(rv, rv);
switch(mEvent->eventStructType)
{
case NS_MOUSE_EVENT:
case NS_MOUSE_SCROLL_EVENT:
case NS_WHEEL_EVENT:
case NS_DRAG_EVENT:
case NS_SIMPLE_GESTURE_EVENT:
{
static_cast<nsMouseEvent_base*>(mEvent)->relatedTarget = aRelatedTarget;
static_cast<nsMouseEvent_base*>(mEvent)->button = aButton;
nsInputEvent* inputEvent = static_cast<nsInputEvent*>(mEvent);
inputEvent->InitBasicModifiers(aCtrlKey, aAltKey, aShiftKey, aMetaKey);
mClientPoint.x = aClientX;
mClientPoint.y = aClientY;
inputEvent->refPoint.x = aScreenX;
inputEvent->refPoint.y = aScreenY;
if (mEvent->eventStructType == NS_MOUSE_EVENT) {
nsMouseEvent* mouseEvent = static_cast<nsMouseEvent*>(mEvent);
mouseEvent->clickCount = aDetail;
}
break;
}
default:
break;
}
return NS_OK;
}
nsresult
nsDOMMouseEvent::InitMouseEvent(const nsAString& aType,
bool aCanBubble,
bool aCancelable,
nsIDOMWindow* aView,
int32_t aDetail,
int32_t aScreenX,
int32_t aScreenY,
int32_t aClientX,
int32_t aClientY,
uint16_t aButton,
nsIDOMEventTarget *aRelatedTarget,
const nsAString& aModifiersList)
{
Modifiers modifiers = ComputeModifierState(aModifiersList);
nsresult rv = InitMouseEvent(aType, aCanBubble, aCancelable, aView,
aDetail, aScreenX, aScreenY, aClientX, aClientY,
(modifiers & widget::MODIFIER_CONTROL) != 0,
(modifiers & widget::MODIFIER_ALT) != 0,
(modifiers & widget::MODIFIER_SHIFT) != 0,
(modifiers & widget::MODIFIER_META) != 0,
aButton, aRelatedTarget);
NS_ENSURE_SUCCESS(rv, rv);
switch(mEvent->eventStructType) {
case NS_MOUSE_EVENT:
case NS_MOUSE_SCROLL_EVENT:
case NS_WHEEL_EVENT:
case NS_DRAG_EVENT:
case NS_SIMPLE_GESTURE_EVENT:
static_cast<nsInputEvent*>(mEvent)->modifiers = modifiers;
return NS_OK;
default:
MOZ_NOT_REACHED("There is no space to store the modifiers");
return NS_ERROR_FAILURE;
}
}
already_AddRefed<nsDOMMouseEvent>
nsDOMMouseEvent::Constructor(const mozilla::dom::GlobalObject& aGlobal,
const nsAString& aType,
const mozilla::dom::MouseEventInit& aParam,
mozilla::ErrorResult& aRv)
{
nsCOMPtr<mozilla::dom::EventTarget> t = do_QueryInterface(aGlobal.Get());
nsRefPtr<nsDOMMouseEvent> e = new nsDOMMouseEvent(t, nullptr, nullptr);
bool trusted = e->Init(t);
e->InitMouseEvent(aType, aParam.mBubbles, aParam.mCancelable,
aParam.mView, aParam.mDetail, aParam.mScreenX,
aParam.mScreenY, aParam.mClientX, aParam.mClientY,
aParam.mCtrlKey, aParam.mAltKey, aParam.mShiftKey,
aParam.mMetaKey, aParam.mButton, aParam.mRelatedTarget,
aRv);
e->SetTrusted(trusted);
switch (e->mEvent->eventStructType) {
case NS_MOUSE_EVENT:
case NS_MOUSE_SCROLL_EVENT:
case NS_WHEEL_EVENT:
case NS_DRAG_EVENT:
case NS_SIMPLE_GESTURE_EVENT:
static_cast<nsMouseEvent_base*>(e->mEvent)->buttons = aParam.mButtons;
break;
default:
break;
}
return e.forget();
}
NS_IMETHODIMP
nsDOMMouseEvent::InitNSMouseEvent(const nsAString & aType, bool aCanBubble, bool aCancelable,
nsIDOMWindow *aView, int32_t aDetail, int32_t aScreenX,
int32_t aScreenY, int32_t aClientX, int32_t aClientY,
bool aCtrlKey, bool aAltKey, bool aShiftKey,
bool aMetaKey, uint16_t aButton, nsIDOMEventTarget *aRelatedTarget,
float aPressure, uint16_t aInputSource)
{
nsresult rv = nsDOMMouseEvent::InitMouseEvent(aType, aCanBubble, aCancelable,
aView, aDetail, aScreenX, aScreenY,
aClientX, aClientY, aCtrlKey, aAltKey, aShiftKey,
aMetaKey, aButton, aRelatedTarget);
NS_ENSURE_SUCCESS(rv, rv);
static_cast<nsMouseEvent_base*>(mEvent)->pressure = aPressure;
static_cast<nsMouseEvent_base*>(mEvent)->inputSource = aInputSource;
return NS_OK;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetButton(uint16_t* aButton)
{
NS_ENSURE_ARG_POINTER(aButton);
*aButton = Button();
return NS_OK;
}
uint16_t
nsDOMMouseEvent::Button()
{
switch(mEvent->eventStructType)
{
case NS_MOUSE_EVENT:
case NS_MOUSE_SCROLL_EVENT:
case NS_WHEEL_EVENT:
case NS_DRAG_EVENT:
case NS_SIMPLE_GESTURE_EVENT:
return static_cast<nsMouseEvent_base*>(mEvent)->button;
default:
NS_WARNING("Tried to get mouse button for non-mouse event!");
return nsMouseEvent::eLeftButton;
}
}
NS_IMETHODIMP
nsDOMMouseEvent::GetButtons(uint16_t* aButtons)
{
NS_ENSURE_ARG_POINTER(aButtons);
*aButtons = Buttons();
return NS_OK;
}
uint16_t
nsDOMMouseEvent::Buttons()
{
switch(mEvent->eventStructType)
{
case NS_MOUSE_EVENT:
case NS_MOUSE_SCROLL_EVENT:
case NS_WHEEL_EVENT:
case NS_DRAG_EVENT:
case NS_SIMPLE_GESTURE_EVENT:
return static_cast<nsMouseEvent_base*>(mEvent)->buttons;
default:
MOZ_NOT_REACHED("Tried to get mouse buttons for non-mouse event!");
return 0;
}
}
NS_IMETHODIMP
nsDOMMouseEvent::GetRelatedTarget(nsIDOMEventTarget** aRelatedTarget)
{
NS_ENSURE_ARG_POINTER(aRelatedTarget);
*aRelatedTarget = GetRelatedTarget().get();
return NS_OK;
}
already_AddRefed<mozilla::dom::EventTarget>
nsDOMMouseEvent::GetRelatedTarget()
{
nsCOMPtr<mozilla::dom::EventTarget> relatedTarget;
switch(mEvent->eventStructType)
{
case NS_MOUSE_EVENT:
case NS_MOUSE_SCROLL_EVENT:
case NS_WHEEL_EVENT:
case NS_DRAG_EVENT:
case NS_SIMPLE_GESTURE_EVENT:
relatedTarget = do_QueryInterface(static_cast<nsMouseEvent_base*>(mEvent)->relatedTarget);
break;
default:
break;
}
if (relatedTarget) {
nsCOMPtr<nsIContent> content = do_QueryInterface(relatedTarget);
if (content && content->ChromeOnlyAccess() &&
!nsContentUtils::CanAccessNativeAnon()) {
relatedTarget = do_QueryInterface(content->FindFirstNonChromeOnlyAccessContent());
}
if (relatedTarget) {
relatedTarget = relatedTarget->GetTargetForDOMEvent();
}
return relatedTarget.forget();
}
return nullptr;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetMozMovementX(int32_t* aMovementX)
{
NS_ENSURE_ARG_POINTER(aMovementX);
*aMovementX = MozMovementX();
return NS_OK;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetMozMovementY(int32_t* aMovementY)
{
NS_ENSURE_ARG_POINTER(aMovementY);
*aMovementY = MozMovementY();
return NS_OK;
}
NS_METHOD nsDOMMouseEvent::GetScreenX(int32_t* aScreenX)
{
NS_ENSURE_ARG_POINTER(aScreenX);
*aScreenX = ScreenX();
return NS_OK;
}
int32_t
nsDOMMouseEvent::ScreenX()
{
return nsDOMEvent::GetScreenCoords(mPresContext,
mEvent,
mEvent->refPoint).x;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetScreenY(int32_t* aScreenY)
{
NS_ENSURE_ARG_POINTER(aScreenY);
*aScreenY = ScreenY();
return NS_OK;
}
int32_t
nsDOMMouseEvent::ScreenY()
{
return nsDOMEvent::GetScreenCoords(mPresContext,
mEvent,
mEvent->refPoint).y;
}
NS_METHOD nsDOMMouseEvent::GetClientX(int32_t* aClientX)
{
NS_ENSURE_ARG_POINTER(aClientX);
*aClientX = ClientX();
return NS_OK;
}
int32_t
nsDOMMouseEvent::ClientX()
{
return nsDOMEvent::GetClientCoords(mPresContext,
mEvent,
mEvent->refPoint,
mClientPoint).x;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetClientY(int32_t* aClientY)
{
NS_ENSURE_ARG_POINTER(aClientY);
*aClientY = ClientY();
return NS_OK;
}
int32_t
nsDOMMouseEvent::ClientY()
{
return nsDOMEvent::GetClientCoords(mPresContext,
mEvent,
mEvent->refPoint,
mClientPoint).y;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetAltKey(bool* aIsDown)
{
NS_ENSURE_ARG_POINTER(aIsDown);
*aIsDown = AltKey();
return NS_OK;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetCtrlKey(bool* aIsDown)
{
NS_ENSURE_ARG_POINTER(aIsDown);
*aIsDown = CtrlKey();
return NS_OK;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetShiftKey(bool* aIsDown)
{
NS_ENSURE_ARG_POINTER(aIsDown);
*aIsDown = ShiftKey();
return NS_OK;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetMetaKey(bool* aIsDown)
{
NS_ENSURE_ARG_POINTER(aIsDown);
*aIsDown = MetaKey();
return NS_OK;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetModifierState(const nsAString& aKey,
bool* aState)
{
NS_ENSURE_ARG_POINTER(aState);
*aState = GetModifierState(aKey);
return NS_OK;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetMozPressure(float* aPressure)
{
NS_ENSURE_ARG_POINTER(aPressure);
*aPressure = MozPressure();
return NS_OK;
}
NS_IMETHODIMP
nsDOMMouseEvent::GetMozInputSource(uint16_t* aInputSource)
{
NS_ENSURE_ARG_POINTER(aInputSource);
*aInputSource = MozInputSource();
return NS_OK;
}
nsresult NS_NewDOMMouseEvent(nsIDOMEvent** aInstancePtrResult,
mozilla::dom::EventTarget* aOwner,
nsPresContext* aPresContext,
nsInputEvent *aEvent)
{
nsDOMMouseEvent* it = new nsDOMMouseEvent(aOwner, aPresContext, aEvent);
return CallQueryInterface(it, aInstancePtrResult);
}