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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,
#include "GamepadServiceTest.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/Unused.h"
#include "mozilla/dom/GamepadManager.h"
#include "mozilla/dom/GamepadPlatformService.h"
#include "mozilla/dom/GamepadServiceTestBinding.h"
#include "mozilla/dom/GamepadTestChannelChild.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/PBackgroundChild.h"
namespace mozilla::dom {
/*
* Implementation of the test service. This is just to provide a simple binding
* of the GamepadService to JavaScript via WebIDL so that we can write
* Mochitests that add and remove fake gamepads, avoiding the platform-specific
* backends.
*/
constexpr uint32_t kMaxButtons = 20;
constexpr uint32_t kMaxAxes = 10;
constexpr uint32_t kMaxHaptics = 2;
constexpr uint32_t kMaxLightIndicator = 2;
constexpr uint32_t kMaxTouchEvents = 4;
NS_IMPL_CYCLE_COLLECTION_INHERITED(GamepadServiceTest, DOMEventTargetHelper,
mWindow)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(GamepadServiceTest)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
NS_IMPL_ADDREF_INHERITED(GamepadServiceTest, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(GamepadServiceTest, DOMEventTargetHelper)
// static
already_AddRefed<GamepadServiceTest> GamepadServiceTest::CreateTestService(
nsPIDOMWindowInner* aWindow) {
MOZ_ASSERT(aWindow);
RefPtr<GamepadServiceTest> service = new GamepadServiceTest(aWindow);
service->InitPBackgroundActor();
return service.forget();
}
void GamepadServiceTest::Shutdown() {
MOZ_ASSERT(!mShuttingDown);
mShuttingDown = true;
DestroyPBackgroundActor();
mWindow = nullptr;
}
GamepadServiceTest::GamepadServiceTest(nsPIDOMWindowInner* aWindow)
: mService(GamepadManager::GetService()),
mWindow(aWindow),
mEventNumber(0),
mShuttingDown(false),
mChild(nullptr) {}
GamepadServiceTest::~GamepadServiceTest() {
MOZ_ASSERT(mPromiseList.IsEmpty());
}
void GamepadServiceTest::InitPBackgroundActor() {
MOZ_ASSERT(!mChild);
::mozilla::ipc::PBackgroundChild* actor =
::mozilla::ipc::BackgroundChild::GetOrCreateForCurrentThread();
if (NS_WARN_IF(!actor)) {
MOZ_CRASH("Failed to create a PBackgroundChild actor!");
}
mChild = GamepadTestChannelChild::Create(this);
PGamepadTestChannelChild* initedChild =
actor->SendPGamepadTestChannelConstructor(mChild.get());
if (NS_WARN_IF(!initedChild)) {
MOZ_CRASH("Failed to create a PBackgroundChild actor!");
}
}
void GamepadServiceTest::ReplyGamepadHandle(uint32_t aPromiseId,
const GamepadHandle& aHandle) {
uint32_t handleSlot = AddGamepadHandle(aHandle);
RefPtr<Promise> p;
if (!mPromiseList.Get(aPromiseId, getter_AddRefs(p))) {
MOZ_CRASH("We should always have a promise.");
}
p->MaybeResolve(handleSlot);
mPromiseList.Remove(aPromiseId);
}
void GamepadServiceTest::DestroyPBackgroundActor() {
MOZ_ASSERT(mChild);
PGamepadTestChannelChild::Send__delete__(mChild);
mChild = nullptr;
}
already_AddRefed<Promise> GamepadServiceTest::AddGamepad(
const nsAString& aID, GamepadMappingType aMapping, GamepadHand aHand,
uint32_t aNumButtons, uint32_t aNumAxes, uint32_t aNumHaptics,
uint32_t aNumLightIndicator, uint32_t aNumTouchEvents, ErrorResult& aRv) {
if (aNumButtons > kMaxButtons || aNumAxes > kMaxAxes ||
aNumHaptics > kMaxHaptics || aNumLightIndicator > kMaxLightIndicator ||
aNumTouchEvents > kMaxTouchEvents) {
aRv.ThrowNotSupportedError("exceeded maximum hardware dimensions");
return nullptr;
}
if (mShuttingDown) {
aRv.ThrowInvalidStateError("Shutting down");
return nullptr;
}
// The values here are ignored, the value just can't be zero to avoid an
// assertion
GamepadHandle gamepadHandle{1, GamepadHandleKind::GamepadPlatformManager};
// Only VR controllers has displayID, we give 0 to the general gamepads.
GamepadAdded a(nsString(aID), aMapping, aHand, 0, aNumButtons, aNumAxes,
aNumHaptics, aNumLightIndicator, aNumTouchEvents);
GamepadChangeEventBody body(a);
GamepadChangeEvent e(gamepadHandle, body);
RefPtr<Promise> p = Promise::Create(mWindow->AsGlobal(), aRv);
if (aRv.Failed()) {
return nullptr;
}
uint32_t id = ++mEventNumber;
MOZ_ASSERT(!mPromiseList.Contains(id));
mPromiseList.InsertOrUpdate(id, RefPtr{p});
mChild->SendGamepadTestEvent(id, e);
return p.forget();
}
already_AddRefed<Promise> GamepadServiceTest::RemoveGamepad(
uint32_t aHandleSlot, ErrorResult& aRv) {
if (mShuttingDown) {
aRv.ThrowInvalidStateError("Shutting down");
return nullptr;
}
GamepadHandle gamepadHandle = GetHandleInSlot(aHandleSlot);
GamepadRemoved a;
GamepadChangeEventBody body(a);
GamepadChangeEvent e(gamepadHandle, body);
uint32_t id = ++mEventNumber;
RefPtr<Promise> p = Promise::Create(mWindow->AsGlobal(), aRv);
if (aRv.Failed()) {
return nullptr;
}
MOZ_ASSERT(!mPromiseList.Contains(id));
mPromiseList.InsertOrUpdate(id, RefPtr{p});
mChild->SendGamepadTestEvent(id, e);
return p.forget();
}
already_AddRefed<Promise> GamepadServiceTest::NewButtonEvent(
uint32_t aHandleSlot, uint32_t aButton, bool aPressed, bool aTouched,
ErrorResult& aRv) {
if (mShuttingDown) {
aRv.ThrowInvalidStateError("Shutting down");
return nullptr;
}
GamepadHandle gamepadHandle = GetHandleInSlot(aHandleSlot);
GamepadButtonInformation a(aButton, aPressed ? 1.0 : 0, aPressed, aTouched);
GamepadChangeEventBody body(a);
GamepadChangeEvent e(gamepadHandle, body);
uint32_t id = ++mEventNumber;
RefPtr<Promise> p = Promise::Create(mWindow->AsGlobal(), aRv);
if (aRv.Failed()) {
return nullptr;
}
MOZ_ASSERT(!mPromiseList.Contains(id));
mPromiseList.InsertOrUpdate(id, RefPtr{p});
mChild->SendGamepadTestEvent(id, e);
return p.forget();
}
already_AddRefed<Promise> GamepadServiceTest::NewButtonValueEvent(
uint32_t aHandleSlot, uint32_t aButton, bool aPressed, bool aTouched,
double aValue, ErrorResult& aRv) {
if (mShuttingDown) {
aRv.ThrowInvalidStateError("Shutting down");
return nullptr;
}
GamepadHandle gamepadHandle = GetHandleInSlot(aHandleSlot);
GamepadButtonInformation a(aButton, aValue, aPressed, aTouched);
GamepadChangeEventBody body(a);
GamepadChangeEvent e(gamepadHandle, body);
uint32_t id = ++mEventNumber;
RefPtr<Promise> p = Promise::Create(mWindow->AsGlobal(), aRv);
if (aRv.Failed()) {
return nullptr;
}
MOZ_ASSERT(!mPromiseList.Contains(id));
mPromiseList.InsertOrUpdate(id, RefPtr{p});
mChild->SendGamepadTestEvent(id, e);
return p.forget();
}
already_AddRefed<Promise> GamepadServiceTest::NewAxisMoveEvent(
uint32_t aHandleSlot, uint32_t aAxis, double aValue, ErrorResult& aRv) {
if (mShuttingDown) {
aRv.ThrowInvalidStateError("Shutting down");
return nullptr;
}
GamepadHandle gamepadHandle = GetHandleInSlot(aHandleSlot);
GamepadAxisInformation a(aAxis, aValue);
GamepadChangeEventBody body(a);
GamepadChangeEvent e(gamepadHandle, body);
uint32_t id = ++mEventNumber;
RefPtr<Promise> p = Promise::Create(mWindow->AsGlobal(), aRv);
if (aRv.Failed()) {
return nullptr;
}
MOZ_ASSERT(!mPromiseList.Contains(id));
mPromiseList.InsertOrUpdate(id, RefPtr{p});
mChild->SendGamepadTestEvent(id, e);
return p.forget();
}
already_AddRefed<Promise> GamepadServiceTest::NewPoseMove(
uint32_t aHandleSlot, const Nullable<Float32Array>& aOrient,
const Nullable<Float32Array>& aPos,
const Nullable<Float32Array>& aAngVelocity,
const Nullable<Float32Array>& aAngAcceleration,
const Nullable<Float32Array>& aLinVelocity,
const Nullable<Float32Array>& aLinAcceleration, ErrorResult& aRv) {
if (mShuttingDown) {
aRv.ThrowInvalidStateError("Shutting down");
return nullptr;
}
GamepadHandle gamepadHandle = GetHandleInSlot(aHandleSlot);
GamepadPoseState poseState;
poseState.flags = GamepadCapabilityFlags::Cap_Orientation |
GamepadCapabilityFlags::Cap_Position |
GamepadCapabilityFlags::Cap_AngularAcceleration |
GamepadCapabilityFlags::Cap_LinearAcceleration;
if (!aOrient.IsNull()) {
DebugOnly<bool> ok = aOrient.Value().CopyDataTo(poseState.orientation);
MOZ_ASSERT(
ok, "aOrient.Value().Length() != ArrayLength(poseState.orientation)");
poseState.isOrientationValid = true;
}
if (!aPos.IsNull()) {
DebugOnly<bool> ok = aPos.Value().CopyDataTo(poseState.position);
MOZ_ASSERT(ok, "aPos.Value().Length() != ArrayLength(poseState.position)");
poseState.isPositionValid = true;
}
if (!aAngVelocity.IsNull()) {
DebugOnly<bool> ok =
aAngVelocity.Value().CopyDataTo(poseState.angularVelocity);
MOZ_ASSERT(ok,
"aAngVelocity.Value().Length() != "
"ArrayLength(poseState.angularVelocity)");
}
if (!aAngAcceleration.IsNull()) {
DebugOnly<bool> ok =
aAngAcceleration.Value().CopyDataTo(poseState.angularAcceleration);
MOZ_ASSERT(ok,
"aAngAcceleration.Value().Length() != "
"ArrayLength(poseState.angularAcceleration)");
}
if (!aLinVelocity.IsNull()) {
DebugOnly<bool> ok =
aLinVelocity.Value().CopyDataTo(poseState.linearVelocity);
MOZ_ASSERT(ok,
"aLinVelocity.Value().Length() != "
"ArrayLength(poseState.linearVelocity)");
}
if (!aLinAcceleration.IsNull()) {
DebugOnly<bool> ok =
aLinAcceleration.Value().CopyDataTo(poseState.linearAcceleration);
MOZ_ASSERT(ok,
"aLinAcceleration.Value().Length() != "
"ArrayLength(poseState.linearAcceleration)");
}
GamepadPoseInformation a(poseState);
GamepadChangeEventBody body(a);
GamepadChangeEvent e(gamepadHandle, body);
uint32_t id = ++mEventNumber;
RefPtr<Promise> p = Promise::Create(mWindow->AsGlobal(), aRv);
if (aRv.Failed()) {
return nullptr;
}
MOZ_ASSERT(!mPromiseList.Contains(id));
mPromiseList.InsertOrUpdate(id, RefPtr{p});
mChild->SendGamepadTestEvent(id, e);
return p.forget();
}
already_AddRefed<Promise> GamepadServiceTest::NewTouch(
uint32_t aHandleSlot, uint32_t aTouchArrayIndex, uint32_t aTouchId,
uint8_t aSurfaceId, const Float32Array& aPos,
const Nullable<Float32Array>& aSurfDim, ErrorResult& aRv) {
if (mShuttingDown) {
aRv.ThrowInvalidStateError("Shutting down");
return nullptr;
}
GamepadHandle gamepadHandle = GetHandleInSlot(aHandleSlot);
GamepadTouchState touchState;
touchState.touchId = aTouchId;
touchState.surfaceId = aSurfaceId;
DebugOnly<bool> ok = aPos.CopyDataTo(touchState.position);
MOZ_ASSERT(ok, "aPos.Length() != ArrayLength(touchState.position)");
if (!aSurfDim.IsNull()) {
ok = aSurfDim.Value().CopyDataTo(touchState.surfaceDimensions);
MOZ_ASSERT(
ok, "aSurfDim.Length() != ArrayLength(touchState.surfaceDimensions)");
touchState.isSurfaceDimensionsValid = true;
}
GamepadTouchInformation a(aTouchArrayIndex, touchState);
GamepadChangeEventBody body(a);
GamepadChangeEvent e(gamepadHandle, body);
uint32_t id = ++mEventNumber;
RefPtr<Promise> p = Promise::Create(mWindow->AsGlobal(), aRv);
if (aRv.Failed()) {
return nullptr;
}
MOZ_ASSERT(!mPromiseList.Contains(id));
mPromiseList.InsertOrUpdate(id, RefPtr{p});
mChild->SendGamepadTestEvent(id, e);
return p.forget();
}
JSObject* GamepadServiceTest::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return GamepadServiceTest_Binding::Wrap(aCx, this, aGivenProto);
}
uint32_t GamepadServiceTest::AddGamepadHandle(GamepadHandle aHandle) {
uint32_t handleSlot = mGamepadHandles.Length();
mGamepadHandles.AppendElement(aHandle);
return handleSlot;
}
void GamepadServiceTest::RemoveGamepadHandle(uint32_t aHandleSlot) {
MOZ_ASSERT(aHandleSlot < mGamepadHandles.Length());
return mGamepadHandles.RemoveElementAt(aHandleSlot);
}
GamepadHandle GamepadServiceTest::GetHandleInSlot(uint32_t aHandleSlot) const {
MOZ_ASSERT(aHandleSlot < mGamepadHandles.Length());
return mGamepadHandles.ElementAt(aHandleSlot);
}
} // namespace mozilla::dom