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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/GamepadHapticActuator.h"
#include "mozilla/dom/GamepadManager.h"
#include "mozilla/dom/Promise.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTING_ADDREF(GamepadHapticActuator)
NS_IMPL_CYCLE_COLLECTING_RELEASE(GamepadHapticActuator)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(GamepadHapticActuator)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(GamepadHapticActuator, mParent)
GamepadHapticActuator::GamepadHapticActuator(nsISupports* aParent,
GamepadHandle aGamepadHandle,
uint32_t aIndex)
: mParent(aParent),
mGamepadHandle(aGamepadHandle),
mType(GamepadHapticActuatorType::Vibration),
mIndex(aIndex) {}
/* virtual */
JSObject* GamepadHapticActuator::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return GamepadHapticActuator_Binding::Wrap(aCx, this, aGivenProto);
}
nsISupports* GamepadHapticActuator::GetParentObject() const { return mParent; }
#define CLAMP(f, min, max) (((f) < min) ? min : (((f) > max) ? max : (f)))
already_AddRefed<Promise> GamepadHapticActuator::Pulse(double aValue,
double aDuration,
ErrorResult& aRv) {
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetParentObject());
MOZ_ASSERT(global);
RefPtr<GamepadManager> gamepadManager(GamepadManager::GetService());
MOZ_ASSERT(gamepadManager);
// Clamp intensity aValue to be 0~1.
double value = CLAMP(aValue, 0, 1);
// aDuration should be always positive.
double duration = CLAMP(aDuration, 0, aDuration);
switch (mType) {
case GamepadHapticActuatorType::Vibration: {
RefPtr<Promise> promise = gamepadManager->VibrateHaptic(
mGamepadHandle, mIndex, value, duration, global, aRv);
if (!promise) {
return nullptr;
}
return promise.forget();
}
default: {
// We need to implement other types of haptic
MOZ_ASSERT(false);
return nullptr;
}
}
}
GamepadHapticActuatorType GamepadHapticActuator::Type() const { return mType; }
void GamepadHapticActuator::Set(const GamepadHapticActuator* aOther) {
mGamepadHandle = aOther->mGamepadHandle;
mType = aOther->mType;
mIndex = aOther->mIndex;
}
} // namespace mozilla::dom
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