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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/events/Touch.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/events/Touch.cpp')
-rw-r--r--dom/events/Touch.cpp192
1 files changed, 192 insertions, 0 deletions
diff --git a/dom/events/Touch.cpp b/dom/events/Touch.cpp
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+/* -*- 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/. */
+
+#include "mozilla/dom/Touch.h"
+
+#include "mozilla/dom/EventTarget.h"
+#include "mozilla/dom/TouchEvent.h"
+#include "nsGlobalWindow.h"
+#include "nsContentUtils.h"
+#include "nsIContent.h"
+
+namespace mozilla {
+namespace dom {
+
+// static
+already_AddRefed<Touch>
+Touch::Constructor(const GlobalObject& aGlobal,
+ const TouchInit& aParam,
+ ErrorResult& aRv)
+{
+ // Annoyingly many parameters, make sure the ordering is the same as in the
+ // Touch constructor.
+ RefPtr<Touch> touch = new Touch(aParam.mTarget,
+ aParam.mIdentifier,
+ aParam.mPageX,
+ aParam.mPageY,
+ aParam.mScreenX,
+ aParam.mScreenY,
+ aParam.mClientX,
+ aParam.mClientY,
+ aParam.mRadiusX,
+ aParam.mRadiusY,
+ aParam.mRotationAngle,
+ aParam.mForce);
+ return touch.forget();
+}
+
+Touch::Touch(EventTarget* aTarget,
+ int32_t aIdentifier,
+ int32_t aPageX,
+ int32_t aPageY,
+ int32_t aScreenX,
+ int32_t aScreenY,
+ int32_t aClientX,
+ int32_t aClientY,
+ int32_t aRadiusX,
+ int32_t aRadiusY,
+ float aRotationAngle,
+ float aForce)
+{
+ mTarget = aTarget;
+ mIdentifier = aIdentifier;
+ mPagePoint = CSSIntPoint(aPageX, aPageY);
+ mScreenPoint = CSSIntPoint(aScreenX, aScreenY);
+ mClientPoint = CSSIntPoint(aClientX, aClientY);
+ mRefPoint = LayoutDeviceIntPoint(0, 0);
+ mPointsInitialized = true;
+ mRadius.x = aRadiusX;
+ mRadius.y = aRadiusY;
+ mRotationAngle = aRotationAngle;
+ mForce = aForce;
+
+ mChanged = false;
+ mMessage = 0;
+ nsJSContext::LikelyShortLivingObjectCreated();
+}
+
+Touch::Touch(int32_t aIdentifier,
+ LayoutDeviceIntPoint aPoint,
+ LayoutDeviceIntPoint aRadius,
+ float aRotationAngle,
+ float aForce)
+{
+ mIdentifier = aIdentifier;
+ mPagePoint = CSSIntPoint(0, 0);
+ mScreenPoint = CSSIntPoint(0, 0);
+ mClientPoint = CSSIntPoint(0, 0);
+ mRefPoint = aPoint;
+ mPointsInitialized = false;
+ mRadius = aRadius;
+ mRotationAngle = aRotationAngle;
+ mForce = aForce;
+
+ mChanged = false;
+ mMessage = 0;
+ nsJSContext::LikelyShortLivingObjectCreated();
+}
+
+Touch::Touch(const Touch& aOther)
+ : mTarget(aOther.mTarget)
+ , mRefPoint(aOther.mRefPoint)
+ , mChanged(aOther.mChanged)
+ , mMessage(aOther.mMessage)
+ , mIdentifier(aOther.mIdentifier)
+ , mPagePoint(aOther.mPagePoint)
+ , mClientPoint(aOther.mClientPoint)
+ , mScreenPoint(aOther.mScreenPoint)
+ , mRadius(aOther.mRadius)
+ , mRotationAngle(aOther.mRotationAngle)
+ , mForce(aOther.mForce)
+ , mPointsInitialized(aOther.mPointsInitialized)
+{
+ nsJSContext::LikelyShortLivingObjectCreated();
+}
+
+Touch::~Touch()
+{
+}
+
+// static
+bool
+Touch::PrefEnabled(JSContext* aCx, JSObject* aGlobal)
+{
+ return TouchEvent::PrefEnabled(aCx, aGlobal);
+}
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Touch, mTarget)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Touch)
+ NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+ NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(Touch)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(Touch)
+
+EventTarget*
+Touch::GetTarget() const
+{
+ nsCOMPtr<nsIContent> content = do_QueryInterface(mTarget);
+ if (content && content->ChromeOnlyAccess() &&
+ !nsContentUtils::LegacyIsCallerNativeCode() &&
+ !nsContentUtils::CanAccessNativeAnon()) {
+ return content->FindFirstNonChromeOnlyAccessContent();
+ }
+
+ return mTarget;
+}
+
+void
+Touch::InitializePoints(nsPresContext* aPresContext, WidgetEvent* aEvent)
+{
+ if (mPointsInitialized) {
+ return;
+ }
+ mClientPoint = Event::GetClientCoords(
+ aPresContext, aEvent, mRefPoint, mClientPoint);
+ mPagePoint = Event::GetPageCoords(
+ aPresContext, aEvent, mRefPoint, mClientPoint);
+ mScreenPoint = Event::GetScreenCoords(aPresContext, aEvent, mRefPoint);
+ mPointsInitialized = true;
+}
+
+void
+Touch::SetTarget(EventTarget* aTarget)
+{
+ mTarget = aTarget;
+}
+
+bool
+Touch::Equals(Touch* aTouch)
+{
+ return mRefPoint == aTouch->mRefPoint &&
+ mForce == aTouch->Force() &&
+ mRotationAngle == aTouch->RotationAngle() &&
+ mRadius.x == aTouch->RadiusX() &&
+ mRadius.y == aTouch->RadiusY();
+}
+
+JSObject*
+Touch::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+ return TouchBinding::Wrap(aCx, this, aGivenProto);
+}
+
+// Parent ourselves to the global of the target. This achieves the desirable
+// effects of parenting to the target, but avoids making the touch inaccessible
+// when the target happens to be NAC and therefore reflected into the XBL scope.
+nsIGlobalObject*
+Touch::GetParentObject()
+{
+ if (!mTarget) {
+ return nullptr;
+ }
+ return mTarget->GetOwnerGlobal();
+}
+
+} // namespace dom
+} // namespace mozilla