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dom/events/PointerEvent.cpp@97036ab72558 (annotated)

dom/events/PointerEvent.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Tue, 06 Jan 2015 21:39:09 +0100

branch

TOR_BUG_9701

changeset 8

97036ab72558

permissions

-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0	5	*
michael@0	6	* Portions Copyright 2013 Microsoft Open Technologies, Inc. */
michael@0	7
michael@0	8	#include "mozilla/dom/PointerEvent.h"
michael@0	9	#include "mozilla/MouseEvents.h"
michael@0	10	#include "prtime.h"
michael@0	11
michael@0	12	namespace mozilla {
michael@0	13	namespace dom {
michael@0	14
michael@0	15	PointerEvent::PointerEvent(EventTarget* aOwner,
michael@0	16	nsPresContext* aPresContext,
michael@0	17	WidgetPointerEvent* aEvent)
michael@0	18	: MouseEvent(aOwner, aPresContext,
michael@0	19	aEvent ? aEvent : new WidgetPointerEvent(false, 0, nullptr))
michael@0	20	{
michael@0	21	NS_ASSERTION(mEvent->eventStructType == NS_POINTER_EVENT,
michael@0	22	"event type mismatch NS_POINTER_EVENT");
michael@0	23
michael@0	24	WidgetMouseEvent* mouseEvent = mEvent->AsMouseEvent();
michael@0	25	if (aEvent) {
michael@0	26	mEventIsInternal = false;
michael@0	27	} else {
michael@0	28	mEventIsInternal = true;
michael@0	29	mEvent->time = PR_Now();
michael@0	30	mEvent->refPoint.x = mEvent->refPoint.y = 0;
michael@0	31	mouseEvent->inputSource = nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN;
michael@0	32	}
michael@0	33	}
michael@0	34
michael@0	35	static uint16_t
michael@0	36	ConvertStringToPointerType(const nsAString& aPointerTypeArg)
michael@0	37	{
michael@0	38	if (aPointerTypeArg.EqualsLiteral("mouse")) {
michael@0	39	return nsIDOMMouseEvent::MOZ_SOURCE_MOUSE;
michael@0	40	}
michael@0	41	if (aPointerTypeArg.EqualsLiteral("pen")) {
michael@0	42	return nsIDOMMouseEvent::MOZ_SOURCE_PEN;
michael@0	43	}
michael@0	44	if (aPointerTypeArg.EqualsLiteral("touch")) {
michael@0	45	return nsIDOMMouseEvent::MOZ_SOURCE_TOUCH;
michael@0	46	}
michael@0	47
michael@0	48	return nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN;
michael@0	49	}
michael@0	50
michael@0	51	// static
michael@0	52	already_AddRefed<PointerEvent>
michael@0	53	PointerEvent::Constructor(EventTarget* aOwner,
michael@0	54	const nsAString& aType,
michael@0	55	const PointerEventInit& aParam)
michael@0	56	{
michael@0	57	nsRefPtr<PointerEvent> e = new PointerEvent(aOwner, nullptr, nullptr);
michael@0	58	bool trusted = e->Init(aOwner);
michael@0	59
michael@0	60	e->InitMouseEvent(aType, aParam.mBubbles, aParam.mCancelable,
michael@0	61	aParam.mView, aParam.mDetail, aParam.mScreenX,
michael@0	62	aParam.mScreenY, aParam.mClientX, aParam.mClientY,
michael@0	63	aParam.mCtrlKey, aParam.mAltKey, aParam.mShiftKey,
michael@0	64	aParam.mMetaKey, aParam.mButton,
michael@0	65	aParam.mRelatedTarget);
michael@0	66
michael@0	67	WidgetPointerEvent* widgetEvent = e->mEvent->AsPointerEvent();
michael@0	68	widgetEvent->pointerId = aParam.mPointerId;
michael@0	69	widgetEvent->width = aParam.mWidth;
michael@0	70	widgetEvent->height = aParam.mHeight;
michael@0	71	widgetEvent->pressure = aParam.mPressure;
michael@0	72	widgetEvent->tiltX = aParam.mTiltX;
michael@0	73	widgetEvent->tiltY = aParam.mTiltY;
michael@0	74	widgetEvent->inputSource = ConvertStringToPointerType(aParam.mPointerType);
michael@0	75	widgetEvent->isPrimary = aParam.mIsPrimary;
michael@0	76	widgetEvent->buttons = aParam.mButtons;
michael@0	77
michael@0	78	e->SetTrusted(trusted);
michael@0	79	return e.forget();
michael@0	80	}
michael@0	81
michael@0	82	// static
michael@0	83	already_AddRefed<PointerEvent>
michael@0	84	PointerEvent::Constructor(const GlobalObject& aGlobal,
michael@0	85	const nsAString& aType,
michael@0	86	const PointerEventInit& aParam,
michael@0	87	ErrorResult& aRv)
michael@0	88	{
michael@0	89	nsCOMPtr<EventTarget> owner = do_QueryInterface(aGlobal.GetAsSupports());
michael@0	90	return Constructor(owner, aType, aParam);
michael@0	91	}
michael@0	92
michael@0	93	void
michael@0	94	PointerEvent::GetPointerType(nsAString& aPointerType)
michael@0	95	{
michael@0	96	switch (mEvent->AsPointerEvent()->inputSource) {
michael@0	97	case nsIDOMMouseEvent::MOZ_SOURCE_MOUSE:
michael@0	98	aPointerType.AssignLiteral("mouse");
michael@0	99	break;
michael@0	100	case nsIDOMMouseEvent::MOZ_SOURCE_PEN:
michael@0	101	aPointerType.AssignLiteral("pen");
michael@0	102	break;
michael@0	103	case nsIDOMMouseEvent::MOZ_SOURCE_TOUCH:
michael@0	104	aPointerType.AssignLiteral("touch");
michael@0	105	break;
michael@0	106	case nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN:
michael@0	107	aPointerType.AssignLiteral("");
michael@0	108	break;
michael@0	109	}
michael@0	110	}
michael@0	111
michael@0	112	int32_t
michael@0	113	PointerEvent::PointerId()
michael@0	114	{
michael@0	115	return mEvent->AsPointerEvent()->pointerId;
michael@0	116	}
michael@0	117
michael@0	118	int32_t
michael@0	119	PointerEvent::Width()
michael@0	120	{
michael@0	121	return mEvent->AsPointerEvent()->width;
michael@0	122	}
michael@0	123
michael@0	124	int32_t
michael@0	125	PointerEvent::Height()
michael@0	126	{
michael@0	127	return mEvent->AsPointerEvent()->height;
michael@0	128	}
michael@0	129
michael@0	130	float
michael@0	131	PointerEvent::Pressure()
michael@0	132	{
michael@0	133	return mEvent->AsPointerEvent()->pressure;
michael@0	134	}
michael@0	135
michael@0	136	int32_t
michael@0	137	PointerEvent::TiltX()
michael@0	138	{
michael@0	139	return mEvent->AsPointerEvent()->tiltX;
michael@0	140	}
michael@0	141
michael@0	142	int32_t
michael@0	143	PointerEvent::TiltY()
michael@0	144	{
michael@0	145	return mEvent->AsPointerEvent()->tiltY;
michael@0	146	}
michael@0	147
michael@0	148	bool
michael@0	149	PointerEvent::IsPrimary()
michael@0	150	{
michael@0	151	return mEvent->AsPointerEvent()->isPrimary;
michael@0	152	}
michael@0	153
michael@0	154	} // namespace dom
michael@0	155	} // namespace mozilla
michael@0	156
michael@0	157	using namespace mozilla;
michael@0	158	using namespace mozilla::dom;
michael@0	159
michael@0	160	nsresult
michael@0	161	NS_NewDOMPointerEvent(nsIDOMEvent** aInstancePtrResult,
michael@0	162	EventTarget* aOwner,
michael@0	163	nsPresContext* aPresContext,
michael@0	164	WidgetPointerEvent *aEvent)
michael@0	165	{
michael@0	166	PointerEvent *it = new PointerEvent(aOwner, aPresContext, aEvent);
michael@0	167	NS_ADDREF(it);
michael@0	168	*aInstancePtrResult = static_cast<Event*>(it);
michael@0	169	return NS_OK;
michael@0	170	}