gecko-dev/dom/gamepad/GamepadTouch.cpp

88 строки
2.9 KiB
C++

/* -*- 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/GamepadTouch.h"
#include "mozilla/dom/GamepadManager.h"
#include "mozilla/dom/Promise.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_CLASS(GamepadTouch)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(GamepadTouch)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mParent)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
tmp->mPosition = nullptr;
tmp->mSurfaceDimensions = nullptr;
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(GamepadTouch)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParent)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(GamepadTouch)
NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mPosition)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mSurfaceDimensions)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(GamepadTouch, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(GamepadTouch, Release)
GamepadTouch::GamepadTouch(nsISupports* aParent)
: mParent(aParent), mPosition(nullptr), mSurfaceDimensions(nullptr) {
mozilla::HoldJSObjects(this);
mTouchState = GamepadTouchState();
}
GamepadTouch::~GamepadTouch() { mozilla::DropJSObjects(this); }
/* virtual */ JSObject* GamepadTouch::WrapObject(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return GamepadTouch_Binding::Wrap(aCx, this, aGivenProto);
}
void GamepadTouch::GetPosition(JSContext* aCx,
JS::MutableHandle<JSObject*> aRetval,
ErrorResult& aRv) {
mPosition = Float32Array::Create(aCx, this, 2, mTouchState.position);
if (!mPosition) {
aRv.NoteJSContextException(aCx);
return;
}
aRetval.set(mPosition);
}
void GamepadTouch::GetSurfaceDimensions(JSContext* aCx,
JS::MutableHandle<JSObject*> aRetval,
ErrorResult& aRv) {
mSurfaceDimensions = Uint32Array::Create(aCx, this, 2,
mTouchState.isSurfaceDimensionsValid
? mTouchState.surfaceDimensions
: nullptr);
if (!mSurfaceDimensions) {
aRv.NoteJSContextException(aCx);
return;
}
aRetval.set(mSurfaceDimensions);
}
void GamepadTouch::SetTouchState(const GamepadTouchState& aTouch) {
mTouchState = aTouch;
}
void GamepadTouch::Set(const GamepadTouch* aOther) {
MOZ_ASSERT(aOther);
mTouchState = aOther->mTouchState;
}
} // namespace dom
} // namespace mozilla