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