static void android_view_InputChannel_nativeTransferTo(JNIEnv* env, jobject obj,
jobject otherObj) {
if (android_view_InputChannel_getNativeInputChannel(env, otherObj) != NULL) {
jniThrowException(env, "java/lang/IllegalStateException",
"Other object already has a native input channel.");
return;
}
NativeInputChannel* nativeInputChannel =
android_view_InputChannel_getNativeInputChannel(env, obj);
android_view_InputChannel_setNativeInputChannel(env, otherObj, nativeInputChannel);
android_view_InputChannel_setNativeInputChannel(env, obj, NULL);
}
static void android_view_InputChannel_nativeReadFromParcel(JNIEnv* env, jobject obj,
jobject parcelObj) {
if (android_view_InputChannel_getNativeInputChannel(env, obj) != NULL) {
jniThrowException(env, "java/lang/IllegalStateException",
"This object already has a native input channel.");
return;
}
Parcel* parcel = parcelForJavaObject(env, parcelObj);
if (parcel) {
bool isInitialized = parcel->readInt32();
if (isInitialized) {
String8 name = parcel->readString8();
int rawFd = parcel->readFileDescriptor();
int dupFd = dup(rawFd);
if (dupFd < 0) {
ALOGE("Error %d dup channel fd %d.", errno, rawFd);
jniThrowRuntimeException(env,
"Could not read input channel file descriptors from parcel.");
return;
}
InputChannel* inputChannel = new InputChannel(name.string(), dupFd);
NativeInputChannel* nativeInputChannel = new NativeInputChannel(inputChannel);
android_view_InputChannel_setNativeInputChannel(env, obj, nativeInputChannel);
}
}
}
static void android_view_InputChannel_nativeDup(JNIEnv* env, jobject obj, jobject otherObj) {
NativeInputChannel* nativeInputChannel =
android_view_InputChannel_getNativeInputChannel(env, obj);
if (nativeInputChannel) {
android_view_InputChannel_setNativeInputChannel(env, otherObj,
new NativeInputChannel(nativeInputChannel->getInputChannel()->dup()));
}
}
void android_view_InputChannel_setDisposeCallback(JNIEnv* env, jobject inputChannelObj,
InputChannelObjDisposeCallback callback, void* data) {
NativeInputChannel* nativeInputChannel =
android_view_InputChannel_getNativeInputChannel(env, inputChannelObj);
if (nativeInputChannel == NULL) {
ALOGW("Cannot set dispose callback because input channel object has not been initialized.");
} else {
nativeInputChannel->setDisposeCallback(callback, data);
}
}
static jstring android_view_InputChannel_nativeGetName(JNIEnv* env, jobject obj) {
NativeInputChannel* nativeInputChannel =
android_view_InputChannel_getNativeInputChannel(env, obj);
if (! nativeInputChannel) {
return NULL;
}
jstring name = env->NewStringUTF(nativeInputChannel->getInputChannel()->getName().string());
return name;
}
static void android_view_InputChannel_nativeDispose(JNIEnv* env, jobject obj, jboolean finalized) {
NativeInputChannel* nativeInputChannel =
android_view_InputChannel_getNativeInputChannel(env, obj);
if (nativeInputChannel) {
if (finalized) {
ALOGW("Input channel object '%s' was finalized without being disposed!",
nativeInputChannel->getInputChannel()->getName().string());
}
nativeInputChannel->invokeAndRemoveDisposeCallback(env, obj);
android_view_InputChannel_setNativeInputChannel(env, obj, NULL);
delete nativeInputChannel;
}
}
static void android_view_InputChannel_nativeWriteToParcel(JNIEnv* env, jobject obj,
jobject parcelObj) {
Parcel* parcel = parcelForJavaObject(env, parcelObj);
if (parcel) {
NativeInputChannel* nativeInputChannel =
android_view_InputChannel_getNativeInputChannel(env, obj);
if (nativeInputChannel) {
sp<InputChannel> inputChannel = nativeInputChannel->getInputChannel();
parcel->writeInt32(1);
parcel->writeString8(String8(inputChannel->getName().c_str()));
parcel->writeDupFileDescriptor(inputChannel->getFd());
} else {
parcel->writeInt32(0);
}
}
}
static void android_view_InputChannel_nativeReadFromParcel(JNIEnv* env, jobject obj,
jobject parcelObj) {
if (android_view_InputChannel_getNativeInputChannel(env, obj) != NULL) {
jniThrowException(env, "java/lang/IllegalStateException",
"This object already has a native input channel.");
return;
}
Parcel* parcel = parcelForJavaObject(env, parcelObj);
if (parcel) {
bool isInitialized = parcel->readInt32();
if (isInitialized) {
String8 name = parcel->readString8();
int32_t parcelAshmemFd = parcel->readFileDescriptor();
int32_t ashmemFd = dup(parcelAshmemFd);
if (ashmemFd < 0) {
ALOGE("Error %d dup ashmem fd %d.", errno, parcelAshmemFd);
}
int32_t parcelReceivePipeFd = parcel->readFileDescriptor();
int32_t receivePipeFd = dup(parcelReceivePipeFd);
if (receivePipeFd < 0) {
ALOGE("Error %d dup receive pipe fd %d.", errno, parcelReceivePipeFd);
}
int32_t parcelSendPipeFd = parcel->readFileDescriptor();
int32_t sendPipeFd = dup(parcelSendPipeFd);
if (sendPipeFd < 0) {
ALOGE("Error %d dup send pipe fd %d.", errno, parcelSendPipeFd);
}
if (ashmemFd < 0 || receivePipeFd < 0 || sendPipeFd < 0) {
if (ashmemFd >= 0) ::close(ashmemFd);
if (receivePipeFd >= 0) ::close(receivePipeFd);
if (sendPipeFd >= 0) ::close(sendPipeFd);
jniThrowRuntimeException(env,
"Could not read input channel file descriptors from parcel.");
return;
}
InputChannel* inputChannel = new InputChannel(name, ashmemFd,
receivePipeFd, sendPipeFd);
NativeInputChannel* nativeInputChannel = new NativeInputChannel(inputChannel);
android_view_InputChannel_setNativeInputChannel(env, obj, nativeInputChannel);
}
}
}
sp<InputChannel> android_view_InputChannel_getInputChannel(JNIEnv* env, jobject inputChannelObj) {
NativeInputChannel* nativeInputChannel =
android_view_InputChannel_getNativeInputChannel(env, inputChannelObj);
return nativeInputChannel != NULL ? nativeInputChannel->getInputChannel() : NULL;
}