gecko/content/events/src/Touch.cpp
2013-10-02 12:46:04 +09:00

143 lines
3.5 KiB
C++

/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
/* 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/TouchBinding.h"
#include "nsContentUtils.h"
#include "nsDOMTouchEvent.h"
#include "nsIContent.h"
namespace mozilla {
namespace dom {
Touch::Touch(mozilla::dom::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)
{
SetIsDOMBinding();
mTarget = aTarget;
mIdentifier = aIdentifier;
mPagePoint = CSSIntPoint(aPageX, aPageY);
mScreenPoint = nsIntPoint(aScreenX, aScreenY);
mClientPoint = CSSIntPoint(aClientX, aClientY);
mRefPoint = nsIntPoint(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,
nsIntPoint aPoint,
nsIntPoint aRadius,
float aRotationAngle,
float aForce)
{
SetIsDOMBinding();
mIdentifier = aIdentifier;
mPagePoint = CSSIntPoint(0, 0);
mScreenPoint = nsIntPoint(0, 0);
mClientPoint = CSSIntPoint(0, 0);
mRefPoint = aPoint;
mPointsInitialized = false;
mRadius = aRadius;
mRotationAngle = aRotationAngle;
mForce = aForce;
mChanged = false;
mMessage = 0;
nsJSContext::LikelyShortLivingObjectCreated();
}
Touch::~Touch()
{
}
/* static */ bool
Touch::PrefEnabled()
{
return nsDOMTouchEvent::PrefEnabled();
}
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(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::Target() const
{
nsCOMPtr<nsIContent> content = do_QueryInterface(mTarget);
if (content && content->ChromeOnlyAccess() &&
!nsContentUtils::CanAccessNativeAnon()) {
return content->FindFirstNonChromeOnlyAccessContent();
}
return mTarget;
}
void
Touch::InitializePoints(nsPresContext* aPresContext, WidgetEvent* aEvent)
{
if (mPointsInitialized) {
return;
}
mClientPoint = nsDOMEvent::GetClientCoords(
aPresContext, aEvent, LayoutDeviceIntPoint::FromUntyped(mRefPoint),
mClientPoint);
mPagePoint = nsDOMEvent::GetPageCoords(
aPresContext, aEvent, LayoutDeviceIntPoint::FromUntyped(mRefPoint),
mClientPoint);
mScreenPoint = nsDOMEvent::GetScreenCoords(aPresContext, aEvent,
LayoutDeviceIntPoint::FromUntyped(mRefPoint));
mPointsInitialized = true;
}
void
Touch::SetTarget(mozilla::dom::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();
}
/* virtual */ JSObject*
Touch::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
{
return TouchBinding::Wrap(aCx, aScope, this);
}
} // namespace dom
} // namespace mozilla