129 lines
4.5 KiB
C++
129 lines
4.5 KiB
C++
/* -*- 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "GamepadTestChannelParent.h"
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#include "mozilla/dom/GamepadPlatformService.h"
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#include "mozilla/ipc/BackgroundParent.h"
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#include "mozilla/StaticPrefs_dom.h"
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#include "mozilla/Unused.h"
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namespace mozilla::dom {
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already_AddRefed<GamepadTestChannelParent> GamepadTestChannelParent::Create() {
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// Refuse to create the parent actor if this pref is disabled
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if (!StaticPrefs::dom_gamepad_test_enabled()) {
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return nullptr;
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}
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return RefPtr<GamepadTestChannelParent>(new GamepadTestChannelParent())
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.forget();
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}
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GamepadTestChannelParent::GamepadTestChannelParent() {
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::mozilla::ipc::AssertIsOnBackgroundThread();
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GamepadMonitoringState::GetSingleton().AddObserver(this);
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}
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GamepadTestChannelParent::~GamepadTestChannelParent() {
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::mozilla::ipc::AssertIsOnBackgroundThread();
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GamepadMonitoringState::GetSingleton().RemoveObserver(this);
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}
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void GamepadTestChannelParent::AddGamepadToPlatformService(
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uint32_t aPromiseId, const GamepadAdded& aGamepadAdded) {
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mozilla::ipc::AssertIsOnBackgroundThread();
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RefPtr<GamepadPlatformService> service =
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GamepadPlatformService::GetParentService();
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MOZ_ASSERT(service);
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const GamepadAdded& a = aGamepadAdded;
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nsCString gamepadID;
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LossyCopyUTF16toASCII(a.id(), gamepadID);
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GamepadHandle handle = service->AddGamepad(
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gamepadID.get(), static_cast<GamepadMappingType>(a.mapping()), a.hand(),
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a.num_buttons(), a.num_axes(), a.num_haptics(), a.num_lights(),
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a.num_touches());
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Unused << SendReplyGamepadHandle(aPromiseId, handle);
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}
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void GamepadTestChannelParent::OnMonitoringStateChanged(bool aNewState) {
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mozilla::ipc::AssertIsOnBackgroundThread();
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if (aNewState) {
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for (auto& deferredGamepadAdd : mDeferredGamepadAdded) {
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AddGamepadToPlatformService(deferredGamepadAdd.promiseId,
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deferredGamepadAdd.gamepadAdded);
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}
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mDeferredGamepadAdded.Clear();
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}
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}
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mozilla::ipc::IPCResult GamepadTestChannelParent::RecvGamepadTestEvent(
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const uint32_t& aID, const GamepadChangeEvent& aEvent) {
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mozilla::ipc::AssertIsOnBackgroundThread();
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RefPtr<GamepadPlatformService> service =
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GamepadPlatformService::GetParentService();
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MOZ_ASSERT(service);
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const GamepadChangeEventBody& body = aEvent.body();
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// GamepadAdded is special because it will be deferred if monitoring hasn't
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// started. Everything else won't be deferred and will fail if monitoring
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// isn't running
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if (body.type() == GamepadChangeEventBody::TGamepadAdded) {
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if (GamepadMonitoringState::GetSingleton().IsMonitoring()) {
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AddGamepadToPlatformService(aID, body.get_GamepadAdded());
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} else {
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mDeferredGamepadAdded.AppendElement(
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DeferredGamepadAdded{aID, body.get_GamepadAdded()});
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}
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return IPC_OK();
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}
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if (!GamepadMonitoringState::GetSingleton().IsMonitoring()) {
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return IPC_FAIL(this, "Simulated message received while not monitoring");
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}
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GamepadHandle handle = aEvent.handle();
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switch (body.type()) {
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case GamepadChangeEventBody::TGamepadRemoved:
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service->RemoveGamepad(handle);
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break;
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case GamepadChangeEventBody::TGamepadButtonInformation: {
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const GamepadButtonInformation& a = body.get_GamepadButtonInformation();
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service->NewButtonEvent(handle, a.button(), a.pressed(), a.touched(),
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a.value());
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break;
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}
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case GamepadChangeEventBody::TGamepadAxisInformation: {
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const GamepadAxisInformation& a = body.get_GamepadAxisInformation();
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service->NewAxisMoveEvent(handle, a.axis(), a.value());
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break;
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}
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case GamepadChangeEventBody::TGamepadPoseInformation: {
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const GamepadPoseInformation& a = body.get_GamepadPoseInformation();
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service->NewPoseEvent(handle, a.pose_state());
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break;
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}
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case GamepadChangeEventBody::TGamepadTouchInformation: {
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const GamepadTouchInformation& a = body.get_GamepadTouchInformation();
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service->NewMultiTouchEvent(handle, a.index(), a.touch_state());
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break;
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}
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default:
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NS_WARNING("Unknown event type.");
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return IPC_FAIL_NO_REASON(this);
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}
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Unused << SendReplyGamepadHandle(aID, handle);
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return IPC_OK();
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}
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} // namespace mozilla::dom
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