The Tor Browser / file comparison
comparison: dom/events/Touch.cpp
dom/events/Touch.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:e1e83b60369f |
|---|---|
| 1 /* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */ | |
| 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 #include "mozilla/dom/Touch.h" | |
| 7 | |
| 8 #include "mozilla/dom/EventTarget.h" | |
| 9 #include "mozilla/dom/TouchBinding.h" | |
| 10 #include "mozilla/dom/TouchEvent.h" | |
| 11 #include "nsGlobalWindow.h" | |
| 12 #include "nsContentUtils.h" | |
| 13 #include "nsIContent.h" | |
| 14 | |
| 15 namespace mozilla { | |
| 16 namespace dom { | |
| 17 | |
| 18 Touch::Touch(EventTarget* aTarget, | |
| 19 int32_t aIdentifier, | |
| 20 int32_t aPageX, | |
| 21 int32_t aPageY, | |
| 22 int32_t aScreenX, | |
| 23 int32_t aScreenY, | |
| 24 int32_t aClientX, | |
| 25 int32_t aClientY, | |
| 26 int32_t aRadiusX, | |
| 27 int32_t aRadiusY, | |
| 28 float aRotationAngle, | |
| 29 float aForce) | |
| 30 { | |
| 31 SetIsDOMBinding(); | |
| 32 mTarget = aTarget; | |
| 33 mIdentifier = aIdentifier; | |
| 34 mPagePoint = CSSIntPoint(aPageX, aPageY); | |
| 35 mScreenPoint = nsIntPoint(aScreenX, aScreenY); | |
| 36 mClientPoint = CSSIntPoint(aClientX, aClientY); | |
| 37 mRefPoint = nsIntPoint(0, 0); | |
| 38 mPointsInitialized = true; | |
| 39 mRadius.x = aRadiusX; | |
| 40 mRadius.y = aRadiusY; | |
| 41 mRotationAngle = aRotationAngle; | |
| 42 mForce = aForce; | |
| 43 | |
| 44 mChanged = false; | |
| 45 mMessage = 0; | |
| 46 nsJSContext::LikelyShortLivingObjectCreated(); | |
| 47 } | |
| 48 | |
| 49 Touch::Touch(int32_t aIdentifier, | |
| 50 nsIntPoint aPoint, | |
| 51 nsIntPoint aRadius, | |
| 52 float aRotationAngle, | |
| 53 float aForce) | |
| 54 { | |
| 55 SetIsDOMBinding(); | |
| 56 mIdentifier = aIdentifier; | |
| 57 mPagePoint = CSSIntPoint(0, 0); | |
| 58 mScreenPoint = nsIntPoint(0, 0); | |
| 59 mClientPoint = CSSIntPoint(0, 0); | |
| 60 mRefPoint = aPoint; | |
| 61 mPointsInitialized = false; | |
| 62 mRadius = aRadius; | |
| 63 mRotationAngle = aRotationAngle; | |
| 64 mForce = aForce; | |
| 65 | |
| 66 mChanged = false; | |
| 67 mMessage = 0; | |
| 68 nsJSContext::LikelyShortLivingObjectCreated(); | |
| 69 } | |
| 70 | |
| 71 Touch::~Touch() | |
| 72 { | |
| 73 } | |
| 74 | |
| 75 // static | |
| 76 bool | |
| 77 Touch::PrefEnabled(JSContext* aCx, JSObject* aGlobal) | |
| 78 { | |
| 79 return TouchEvent::PrefEnabled(aCx, aGlobal); | |
| 80 } | |
| 81 | |
| 82 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(Touch, mTarget) | |
| 83 | |
| 84 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Touch) | |
| 85 NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY | |
| 86 NS_INTERFACE_MAP_ENTRY(nsISupports) | |
| 87 NS_INTERFACE_MAP_END | |
| 88 | |
| 89 NS_IMPL_CYCLE_COLLECTING_ADDREF(Touch) | |
| 90 NS_IMPL_CYCLE_COLLECTING_RELEASE(Touch) | |
| 91 | |
| 92 EventTarget* | |
| 93 Touch::Target() const | |
| 94 { | |
| 95 nsCOMPtr<nsIContent> content = do_QueryInterface(mTarget); | |
| 96 if (content && content->ChromeOnlyAccess() && | |
| 97 !nsContentUtils::CanAccessNativeAnon()) { | |
| 98 return content->FindFirstNonChromeOnlyAccessContent(); | |
| 99 } | |
| 100 | |
| 101 return mTarget; | |
| 102 } | |
| 103 | |
| 104 void | |
| 105 Touch::InitializePoints(nsPresContext* aPresContext, WidgetEvent* aEvent) | |
| 106 { | |
| 107 if (mPointsInitialized) { | |
| 108 return; | |
| 109 } | |
| 110 mClientPoint = Event::GetClientCoords( | |
| 111 aPresContext, aEvent, LayoutDeviceIntPoint::FromUntyped(mRefPoint), | |
| 112 mClientPoint); | |
| 113 mPagePoint = Event::GetPageCoords( | |
| 114 aPresContext, aEvent, LayoutDeviceIntPoint::FromUntyped(mRefPoint), | |
| 115 mClientPoint); | |
| 116 mScreenPoint = Event::GetScreenCoords(aPresContext, aEvent, | |
| 117 LayoutDeviceIntPoint::FromUntyped(mRefPoint)); | |
| 118 mPointsInitialized = true; | |
| 119 } | |
| 120 | |
| 121 void | |
| 122 Touch::SetTarget(EventTarget* aTarget) | |
| 123 { | |
| 124 mTarget = aTarget; | |
| 125 } | |
| 126 | |
| 127 bool | |
| 128 Touch::Equals(Touch* aTouch) | |
| 129 { | |
| 130 return mRefPoint == aTouch->mRefPoint && | |
| 131 mForce == aTouch->Force() && | |
| 132 mRotationAngle == aTouch->RotationAngle() && | |
| 133 mRadius.x == aTouch->RadiusX() && | |
| 134 mRadius.y == aTouch->RadiusY(); | |
| 135 } | |
| 136 | |
| 137 JSObject* | |
| 138 Touch::WrapObject(JSContext* aCx) | |
| 139 { | |
| 140 return TouchBinding::Wrap(aCx, this); | |
| 141 } | |
| 142 | |
| 143 // Parent ourselves to the window of the target. This achieves the desirable | |
| 144 // effects of parenting to the target, but avoids making the touch inaccessible | |
| 145 // when the target happens to be NAC and therefore reflected into the XBL scope. | |
| 146 EventTarget* | |
| 147 Touch::GetParentObject() | |
| 148 { | |
| 149 if (!mTarget) { | |
| 150 return nullptr; | |
| 151 } | |
| 152 nsCOMPtr<nsPIDOMWindow> outer = do_QueryInterface(mTarget->GetOwnerGlobal()); | |
| 153 if (!outer) { | |
| 154 return nullptr; | |
| 155 } | |
| 156 MOZ_ASSERT(outer->IsOuterWindow()); | |
| 157 return static_cast<nsGlobalWindow*>(outer->GetCurrentInnerWindow()); | |
| 158 } | |
| 159 | |
| 160 } // namespace dom | |
| 161 } // namespace mozilla |
