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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <androidfw/Input.h>
#include <android_runtime/AndroidRuntime.h>
#include <nativehelper/jni.h>
#include <nativehelper/JNIHelp.h>
#include <ScopedLocalRef.h>
#include "android_view_InputDevice.h"
#include "android_view_KeyCharacterMap.h"
namespace android {
static struct {
jclass clazz;
jmethodID ctor;
jmethodID addMotionRange;
} gInputDeviceClassInfo;
jobject android_view_InputDevice_create(JNIEnv* env, const InputDeviceInfo& deviceInfo) {
ScopedLocalRef<jstring> nameObj(env, env->NewStringUTF(deviceInfo.getDisplayName().string()));
if (!nameObj.get()) {
return NULL;
}
ScopedLocalRef<jstring> descriptorObj(env,
env->NewStringUTF(deviceInfo.getIdentifier().descriptor.string()));
if (!descriptorObj.get()) {
return NULL;
}
ScopedLocalRef<jobject> kcmObj(env,
android_view_KeyCharacterMap_create(env, deviceInfo.getId(),
deviceInfo.getKeyCharacterMap()));
if (!kcmObj.get()) {
return NULL;
}
ScopedLocalRef<jobject> inputDeviceObj(env, env->NewObject(gInputDeviceClassInfo.clazz,
gInputDeviceClassInfo.ctor, deviceInfo.getId(), deviceInfo.getGeneration(),
nameObj.get(), descriptorObj.get(), deviceInfo.isExternal(),
deviceInfo.getSources(), deviceInfo.getKeyboardType(),
kcmObj.get(), deviceInfo.hasVibrator()));
const Vector<InputDeviceInfo::MotionRange>& ranges = deviceInfo.getMotionRanges();
for (size_t i = 0; i < ranges.size(); i++) {
const InputDeviceInfo::MotionRange& range = ranges.itemAt(i);
env->CallVoidMethod(inputDeviceObj.get(), gInputDeviceClassInfo.addMotionRange,
range.axis, range.source, range.min, range.max, range.flat, range.fuzz);
if (env->ExceptionCheck()) {
return NULL;
}
}
return env->NewLocalRef(inputDeviceObj.get());
}
#define FIND_CLASS(var, className) \
var = env->FindClass(className); \
LOG_FATAL_IF(! var, "Unable to find class " className);
#define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \
var = env->GetMethodID(clazz, methodName, methodDescriptor); \
LOG_FATAL_IF(! var, "Unable to find method " methodName);
int register_android_view_InputDevice(JNIEnv* env)
{
FIND_CLASS(gInputDeviceClassInfo.clazz, "android/view/InputDevice");
gInputDeviceClassInfo.clazz = jclass(env->NewGlobalRef(gInputDeviceClassInfo.clazz));
GET_METHOD_ID(gInputDeviceClassInfo.ctor, gInputDeviceClassInfo.clazz,
"<init>", "(IILjava/lang/String;Ljava/lang/String;ZIILandroid/view/KeyCharacterMap;Z)V");
GET_METHOD_ID(gInputDeviceClassInfo.addMotionRange, gInputDeviceClassInfo.clazz,
"addMotionRange", "(IIFFFF)V");
return 0;
}
}; // namespace android
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