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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/. */
// TODO: Bug 680289, implement gamepad haptics for Android.
// TODO: Bug 1523355, implement gamepad lighindicator and touch for
// Android.
#include "mozilla/java/AndroidGamepadManagerNatives.h"
#include "mozilla/java/GeckoAppShellWrappers.h"
#include "mozilla/dom/Gamepad.h"
#include "mozilla/dom/GamepadHandle.h"
#include "mozilla/dom/GamepadPlatformService.h"
#include "mozilla/Tainting.h"
#include "nsThreadUtils.h"
using mozilla::dom::GamepadHandle;
namespace mozilla {
namespace dom {
class AndroidGamepadManager final
: public java::AndroidGamepadManager::Natives<AndroidGamepadManager> {
AndroidGamepadManager() = delete;
public:
static jni::ByteArray::LocalRef NativeAddGamepad() {
RefPtr<GamepadPlatformService> service =
GamepadPlatformService::GetParentService();
MOZ_RELEASE_ASSERT(service);
const GamepadHandle gamepadHandle = service->AddGamepad(
"android", GamepadMappingType::Standard, GamepadHand::_empty,
kStandardGamepadButtons, kStandardGamepadAxes, 0, 0, 0);
return mozilla::jni::ByteArray::New(
reinterpret_cast<const int8_t*>(&gamepadHandle), sizeof(gamepadHandle));
}
static void NativeRemoveGamepad(jni::ByteArray::Param aGamepadHandleBytes) {
GamepadHandle handle = JNIByteArrayToGamepadHandle(aGamepadHandleBytes);
RefPtr<GamepadPlatformService> service =
GamepadPlatformService::GetParentService();
if (!service) {
return;
}
service->RemoveGamepad(handle);
}
static void OnButtonChange(jni::ByteArray::Param aGamepadHandleBytes,
int32_t aButton, bool aPressed, float aValue) {
GamepadHandle handle = JNIByteArrayToGamepadHandle(aGamepadHandleBytes);
RefPtr<GamepadPlatformService> service =
GamepadPlatformService::GetParentService();
if (!service) {
return;
}
service->NewButtonEvent(handle, aButton, aPressed, aValue);
}
static void OnAxisChange(jni::ByteArray::Param aGamepadHandleBytes,
jni::BooleanArray::Param aValid,
jni::FloatArray::Param aValues) {
GamepadHandle handle = JNIByteArrayToGamepadHandle(aGamepadHandleBytes);
RefPtr<GamepadPlatformService> service =
GamepadPlatformService::GetParentService();
if (!service) {
return;
}
const auto& valid = aValid->GetElements();
const auto& values = aValues->GetElements();
MOZ_ASSERT(valid.Length() == values.Length());
for (size_t i = 0; i < values.Length(); i++) {
if (valid[i]) {
service->NewAxisMoveEvent(handle, i, values[i]);
}
}
}
private:
static GamepadHandle JNIByteArrayToGamepadHandle(
jni::ByteArray::Param aGamepadHandleBytes) {
MOZ_ASSERT(aGamepadHandleBytes->Length() == sizeof(GamepadHandle));
GamepadHandle gamepadHandle;
aGamepadHandleBytes->CopyTo(reinterpret_cast<int8_t*>(&gamepadHandle),
sizeof(gamepadHandle));
return gamepadHandle;
}
};
void StartGamepadMonitoring() {
AndroidGamepadManager::Init();
java::AndroidGamepadManager::Start(
java::GeckoAppShell::GetApplicationContext());
}
void StopGamepadMonitoring() {
java::AndroidGamepadManager::Stop(
java::GeckoAppShell::GetApplicationContext());
}
void SetGamepadLightIndicatorColor(const Tainted<GamepadHandle>& aGamepadHandle,
const Tainted<uint32_t>& aLightColorIndex,
const uint8_t& aRed, const uint8_t& aGreen,
const uint8_t& aBlue) {
NS_WARNING("Android doesn't support gamepad light indicator.");
}
} // namespace dom
} // namespace mozilla
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