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96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/GamepadHapticActuator.h"
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#include "mozilla/dom/GamepadManager.h"
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#include "mozilla/dom/Promise.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTING_ADDREF(GamepadHapticActuator)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(GamepadHapticActuator)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(GamepadHapticActuator)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(GamepadHapticActuator, mParent)
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GamepadHapticActuator::GamepadHapticActuator(nsISupports* aParent, uint32_t aGamepadId,
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uint32_t aIndex)
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: mParent(aParent), mGamepadId(aGamepadId),
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mType(GamepadHapticActuatorType::Vibration), mIndex(aIndex)
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{
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}
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/* virtual */ JSObject*
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GamepadHapticActuator::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return GamepadHapticActuatorBinding::Wrap(aCx, this, aGivenProto);
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}
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nsISupports*
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GamepadHapticActuator::GetParentObject() const
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{
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return mParent;
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}
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#define CLAMP(f, min, max) \
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(((f) < min)? min : (((f) > max) ? max : (f)))
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already_AddRefed<Promise>
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GamepadHapticActuator::Pulse(double aValue, double aDuration, ErrorResult& aRv)
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{
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetParentObject());
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MOZ_ASSERT(global);
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RefPtr<GamepadManager> gamepadManager(GamepadManager::GetService());
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MOZ_ASSERT(gamepadManager);
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// Clamp intensity aValue to be 0~1.
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double value = CLAMP(aValue, 0, 1);
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// aDuration should be always positive.
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double duration = CLAMP(aDuration, 0, aDuration);
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switch (mType) {
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case GamepadHapticActuatorType::Vibration:
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{
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RefPtr<Promise> promise =
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gamepadManager->VibrateHaptic(
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mGamepadId, mIndex, value, duration, global, aRv);
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if (!promise) {
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return nullptr;
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}
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return promise.forget();
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}
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default:
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{
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// We need to implement other types of haptic
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MOZ_ASSERT(false);
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return nullptr;
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}
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}
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}
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GamepadHapticActuatorType
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GamepadHapticActuator::Type() const
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{
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return mType;
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}
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void
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GamepadHapticActuator::Set(const GamepadHapticActuator* aOther) {
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mGamepadId = aOther->mGamepadId;
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mType = aOther->mType;
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mIndex = aOther->mIndex;
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}
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} // namespace dom
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} // namespace mozilla
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