472 lines
17 KiB
C++
472 lines
17 KiB
C++
/*
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** Copyright 2008, The Android Open Source Project
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** Copyright (c) 2009-2010, The Linux Foundation All rights reserved.
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#define LOG_TAG "BluetoothA2dpService.cpp"
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#include "android_bluetooth_common.h"
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#include "android_runtime/AndroidRuntime.h"
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#include "JNIHelp.h"
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#include "jni.h"
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#include "utils/Log.h"
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#include "utils/misc.h"
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#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#ifdef HAVE_BLUETOOTH
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#include <dbus/dbus.h>
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#endif
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namespace android {
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#ifdef HAVE_BLUETOOTH
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static jmethodID method_onSinkPropertyChanged;
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static jmethodID method_onConnectSinkResult;
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static jmethodID method_onGetPlayStatusRequest;
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static jfieldID field_mTrackName;
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static jfieldID field_mArtistName;
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static jfieldID field_mAlbumName;
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static jfieldID field_mMediaNumber;
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static jfieldID field_mMediaCount;
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static jfieldID field_mDuration;
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typedef struct {
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JavaVM *vm;
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int envVer;
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DBusConnection *conn;
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jobject me; // for callbacks to java
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} native_data_t;
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static native_data_t *nat = NULL; // global native data
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static void onConnectSinkResult(DBusMessage *msg, void *user, void *n);
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static void onStatusReply(DBusMessage *msg, void *user, void *n);
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static Properties sink_properties[] = {
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{"State", DBUS_TYPE_STRING},
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{"Connected", DBUS_TYPE_BOOLEAN},
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{"Playing", DBUS_TYPE_BOOLEAN},
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{"Protected", DBUS_TYPE_BOOLEAN},
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};
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#endif
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/* Returns true on success (even if adapter is present but disabled).
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* Return false if dbus is down, or another serious error (out of memory)
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*/
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static bool initNative(JNIEnv* env, jobject object) {
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LOGV(__FUNCTION__);
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#ifdef HAVE_BLUETOOTH
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nat = (native_data_t *)calloc(1, sizeof(native_data_t));
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if (NULL == nat) {
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LOGE("%s: out of memory!", __FUNCTION__);
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return false;
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}
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env->GetJavaVM( &(nat->vm) );
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nat->envVer = env->GetVersion();
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nat->me = env->NewGlobalRef(object);
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DBusError err;
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dbus_error_init(&err);
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dbus_threads_init_default();
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nat->conn = dbus_bus_get(DBUS_BUS_SYSTEM, &err);
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if (dbus_error_is_set(&err)) {
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LOGE("Could not get onto the system bus: %s", err.message);
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dbus_error_free(&err);
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return false;
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}
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dbus_connection_set_exit_on_disconnect(nat->conn, FALSE);
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#endif /*HAVE_BLUETOOTH*/
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return true;
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}
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static void cleanupNative(JNIEnv* env, jobject object) {
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#ifdef HAVE_BLUETOOTH
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LOGV(__FUNCTION__);
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if (nat) {
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dbus_connection_close(nat->conn);
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env->DeleteGlobalRef(nat->me);
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free(nat);
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nat = NULL;
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}
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#endif
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}
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static jobjectArray getSinkPropertiesNative(JNIEnv *env, jobject object,
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jstring path) {
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#ifdef HAVE_BLUETOOTH
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LOGV(__FUNCTION__);
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if (nat) {
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DBusMessage *msg, *reply;
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DBusError err;
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dbus_error_init(&err);
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const char *c_path = env->GetStringUTFChars(path, NULL);
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reply = dbus_func_args_timeout(env,
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nat->conn, -1, c_path,
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"org.bluez.AudioSink", "GetProperties",
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DBUS_TYPE_INVALID);
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env->ReleaseStringUTFChars(path, c_path);
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if (!reply && dbus_error_is_set(&err)) {
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LOG_AND_FREE_DBUS_ERROR_WITH_MSG(&err, reply);
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return NULL;
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} else if (!reply) {
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LOGE("DBus reply is NULL in function %s", __FUNCTION__);
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return NULL;
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}
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DBusMessageIter iter;
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if (dbus_message_iter_init(reply, &iter))
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return parse_properties(env, &iter, (Properties *)&sink_properties,
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sizeof(sink_properties) / sizeof(Properties));
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}
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#endif
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return NULL;
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}
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static jboolean connectSinkNative(JNIEnv *env, jobject object, jstring path) {
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#ifdef HAVE_BLUETOOTH
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LOGV(__FUNCTION__);
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if (nat) {
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const char *c_path = env->GetStringUTFChars(path, NULL);
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int len = env->GetStringLength(path) + 1;
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char *context_path = (char *)calloc(len, sizeof(char));
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strlcpy(context_path, c_path, len); // for callback
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bool ret = dbus_func_args_async(env, nat->conn, -1, onConnectSinkResult, context_path,
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nat, c_path, "org.bluez.AudioSink", "Connect",
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DBUS_TYPE_INVALID);
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env->ReleaseStringUTFChars(path, c_path);
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return ret ? JNI_TRUE : JNI_FALSE;
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}
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#endif
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return JNI_FALSE;
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}
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static jboolean disconnectSinkNative(JNIEnv *env, jobject object,
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jstring path) {
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#ifdef HAVE_BLUETOOTH
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LOGV(__FUNCTION__);
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if (nat) {
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const char *c_path = env->GetStringUTFChars(path, NULL);
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bool ret = dbus_func_args_async(env, nat->conn, -1, NULL, NULL, nat,
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c_path, "org.bluez.AudioSink", "Disconnect",
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DBUS_TYPE_INVALID);
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env->ReleaseStringUTFChars(path, c_path);
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return ret ? JNI_TRUE : JNI_FALSE;
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}
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#endif
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return JNI_FALSE;
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}
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static jboolean suspendSinkNative(JNIEnv *env, jobject object,
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jstring path) {
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#ifdef HAVE_BLUETOOTH
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LOGV(__FUNCTION__);
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if (nat) {
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const char *c_path = env->GetStringUTFChars(path, NULL);
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bool ret = dbus_func_args_async(env, nat->conn, -1, NULL, NULL, nat,
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c_path, "org.bluez.audio.Sink", "Suspend",
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DBUS_TYPE_INVALID);
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env->ReleaseStringUTFChars(path, c_path);
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return ret ? JNI_TRUE : JNI_FALSE;
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}
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#endif
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return JNI_FALSE;
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}
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static jboolean resumeSinkNative(JNIEnv *env, jobject object,
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jstring path) {
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#ifdef HAVE_BLUETOOTH
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LOGV(__FUNCTION__);
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if (nat) {
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const char *c_path = env->GetStringUTFChars(path, NULL);
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bool ret = dbus_func_args_async(env, nat->conn, -1, NULL, NULL, nat,
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c_path, "org.bluez.audio.Sink", "Resume",
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DBUS_TYPE_INVALID);
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env->ReleaseStringUTFChars(path, c_path);
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return ret ? JNI_TRUE : JNI_FALSE;
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}
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#endif
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return JNI_FALSE;
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}
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static jboolean avrcpVolumeUpNative(JNIEnv *env, jobject object,
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jstring path) {
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#ifdef HAVE_BLUETOOTH
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LOGV(__FUNCTION__);
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if (nat) {
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const char *c_path = env->GetStringUTFChars(path, NULL);
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bool ret = dbus_func_args_async(env, nat->conn, -1, NULL, NULL, nat,
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c_path, "org.bluez.Control", "VolumeUp",
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DBUS_TYPE_INVALID);
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env->ReleaseStringUTFChars(path, c_path);
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return ret ? JNI_TRUE : JNI_FALSE;
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}
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#endif
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return JNI_FALSE;
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}
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static jboolean sendMetaDataNative(JNIEnv *env, jobject obj,
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jstring path) {
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#ifdef HAVE_BLUETOOTH
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LOGV(__FUNCTION__);
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if (nat) {
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jstring title, artist, album, media_number, total_media_count, playing_time;
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const char *c_title, *c_artist, *c_album, *c_media_number;
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const char *c_total_media_count, *c_playing_time;
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const char *c_path = env->GetStringUTFChars(path, NULL);
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title = (jstring) env->GetObjectField(obj, field_mTrackName);
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artist = (jstring) env->GetObjectField(obj, field_mArtistName);
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album = (jstring) env->GetObjectField(obj, field_mAlbumName);
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media_number = (jstring) env->GetObjectField(obj, field_mMediaNumber);
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total_media_count = (jstring) env->GetObjectField(obj, field_mMediaCount);
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playing_time = (jstring) env->GetObjectField(obj, field_mDuration);
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c_title = env->GetStringUTFChars(title, NULL);
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c_artist = env->GetStringUTFChars(artist, NULL);
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c_album = env->GetStringUTFChars(album, NULL);
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c_media_number = env->GetStringUTFChars(media_number, NULL);
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c_total_media_count = env->GetStringUTFChars(total_media_count, NULL);
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c_playing_time = env->GetStringUTFChars(playing_time, NULL);
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bool ret = dbus_func_args_async(env, nat->conn, -1, onStatusReply, NULL, nat,
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c_path, "org.bluez.Control", "UpdateMetaData",
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DBUS_TYPE_STRING, &c_title,
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DBUS_TYPE_STRING, &c_artist,
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DBUS_TYPE_STRING, &c_album,
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DBUS_TYPE_STRING, &c_media_number,
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DBUS_TYPE_STRING, &c_total_media_count,
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DBUS_TYPE_STRING, &c_playing_time,
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DBUS_TYPE_INVALID);
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env->ReleaseStringUTFChars(path, c_path);
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env->ReleaseStringUTFChars(title, c_title);
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env->ReleaseStringUTFChars(artist, c_artist);
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env->ReleaseStringUTFChars(album, c_album);
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env->ReleaseStringUTFChars(media_number, c_media_number);
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env->ReleaseStringUTFChars(total_media_count, c_total_media_count);
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env->ReleaseStringUTFChars(playing_time, c_playing_time);
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return ret ? JNI_TRUE : JNI_FALSE;
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}
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#endif
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return JNI_FALSE;
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}
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static jboolean sendPlayStatusNative(JNIEnv *env, jobject object, jstring path,
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jint duration, jint position, jint play_status) {
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#ifdef HAVE_BLUETOOTH
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LOGV(__FUNCTION__);
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if (nat) {
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const char *c_path = env->GetStringUTFChars(path, NULL);
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bool ret = dbus_func_args_async(env, nat->conn, -1, onStatusReply, NULL, nat,
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c_path, "org.bluez.Control", "UpdatePlayStatus",
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DBUS_TYPE_UINT32, &duration,
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DBUS_TYPE_UINT32, &position,
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DBUS_TYPE_UINT32, &play_status,
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DBUS_TYPE_INVALID);
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env->ReleaseStringUTFChars(path, c_path);
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return ret ? JNI_TRUE : JNI_FALSE;
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}
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#endif
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return JNI_FALSE;
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}
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static jboolean sendEventNative(JNIEnv *env, jobject object,
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jstring path, jint event_id, jlong data) {
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#ifdef HAVE_BLUETOOTH
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LOGV(__FUNCTION__);
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if (nat) {
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const char *c_path = env->GetStringUTFChars(path, NULL);
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bool ret = dbus_func_args_async(env, nat->conn, -1, onStatusReply, NULL, nat,
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c_path, "org.bluez.Control", "UpdateNotification",
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DBUS_TYPE_UINT16, &event_id,
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DBUS_TYPE_UINT64, &data,
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DBUS_TYPE_INVALID);
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env->ReleaseStringUTFChars(path, c_path);
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return ret ? JNI_TRUE : JNI_FALSE;
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}
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#endif
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return JNI_FALSE;
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}
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static jboolean avrcpVolumeDownNative(JNIEnv *env, jobject object,
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jstring path) {
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#ifdef HAVE_BLUETOOTH
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LOGV(__FUNCTION__);
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if (nat) {
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const char *c_path = env->GetStringUTFChars(path, NULL);
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bool ret = dbus_func_args_async(env, nat->conn, -1, NULL, NULL, nat,
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c_path, "org.bluez.Control", "VolumeDown",
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DBUS_TYPE_INVALID);
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env->ReleaseStringUTFChars(path, c_path);
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return ret ? JNI_TRUE : JNI_FALSE;
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}
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#endif
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return JNI_FALSE;
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}
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#ifdef HAVE_BLUETOOTH
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DBusHandlerResult a2dp_event_filter(DBusMessage *msg, JNIEnv *env) {
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DBusError err;
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if (!nat) {
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LOGV("... skipping %s\n", __FUNCTION__);
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LOGV("... ignored\n");
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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}
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dbus_error_init(&err);
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if (dbus_message_get_type(msg) != DBUS_MESSAGE_TYPE_SIGNAL) {
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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}
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DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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if (dbus_message_is_signal(msg, "org.bluez.AudioSink",
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"PropertyChanged")) {
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jobjectArray str_array =
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parse_property_change(env, msg, (Properties *)&sink_properties,
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sizeof(sink_properties) / sizeof(Properties));
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const char *c_path = dbus_message_get_path(msg);
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jstring path = env->NewStringUTF(c_path);
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env->CallVoidMethod(nat->me,
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method_onSinkPropertyChanged,
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path,
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str_array);
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env->DeleteLocalRef(path);
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result = DBUS_HANDLER_RESULT_HANDLED;
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return result;
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} else if (dbus_message_is_signal(msg, "org.bluez.Control",
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"GetPlayStatus")) {
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const char *c_path = dbus_message_get_path(msg);
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jstring path = env->NewStringUTF(c_path);
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env->CallVoidMethod(nat->me, method_onGetPlayStatusRequest, path);
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env->DeleteLocalRef(path);
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result = DBUS_HANDLER_RESULT_HANDLED;
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return result;
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}else {
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LOGV("... ignored");
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}
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if (env->ExceptionCheck()) {
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LOGE("VM Exception occurred while handling %s.%s (%s) in %s,"
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" leaving for VM",
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dbus_message_get_interface(msg), dbus_message_get_member(msg),
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dbus_message_get_path(msg), __FUNCTION__);
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}
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return result;
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}
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void onConnectSinkResult(DBusMessage *msg, void *user, void *n) {
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LOGV(__FUNCTION__);
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native_data_t *nat = (native_data_t *)n;
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const char *path = (const char *)user;
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DBusError err;
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dbus_error_init(&err);
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JNIEnv *env;
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nat->vm->GetEnv((void**)&env, nat->envVer);
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bool result = JNI_TRUE;
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if (dbus_set_error_from_message(&err, msg)) {
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LOG_AND_FREE_DBUS_ERROR(&err);
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result = JNI_FALSE;
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}
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LOGV("... Device Path = %s, result = %d", path, result);
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jstring jPath = env->NewStringUTF(path);
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env->CallVoidMethod(nat->me,
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method_onConnectSinkResult,
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jPath,
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result);
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env->DeleteLocalRef(jPath);
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free(user);
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}
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void onStatusReply(DBusMessage *msg, void *user, void *n) {
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LOGV(__FUNCTION__);
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native_data_t *nat = (native_data_t *)n;
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DBusError err;
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dbus_error_init(&err);
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if (dbus_set_error_from_message(&err, msg)) {
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LOG_AND_FREE_DBUS_ERROR(&err);
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}
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}
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#endif
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static JNINativeMethod sMethods[] = {
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{"initNative", "()Z", (void *)initNative},
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{"cleanupNative", "()V", (void *)cleanupNative},
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/* Bluez audio 4.47 API */
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{"connectSinkNative", "(Ljava/lang/String;)Z", (void *)connectSinkNative},
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{"disconnectSinkNative", "(Ljava/lang/String;)Z", (void *)disconnectSinkNative},
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{"suspendSinkNative", "(Ljava/lang/String;)Z", (void*)suspendSinkNative},
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{"resumeSinkNative", "(Ljava/lang/String;)Z", (void*)resumeSinkNative},
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{"getSinkPropertiesNative", "(Ljava/lang/String;)[Ljava/lang/Object;",
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(void *)getSinkPropertiesNative},
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{"avrcpVolumeUpNative", "(Ljava/lang/String;)Z", (void*)avrcpVolumeUpNative},
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{"avrcpVolumeDownNative", "(Ljava/lang/String;)Z", (void*)avrcpVolumeDownNative},
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{"sendMetaDataNative", "(Ljava/lang/String;)Z", (void*)sendMetaDataNative},
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{"sendEventNative", "(Ljava/lang/String;IJ)Z", (void*)sendEventNative},
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{"sendPlayStatusNative", "(Ljava/lang/String;III)Z", (void*)sendPlayStatusNative},
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};
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int register_android_server_BluetoothA2dpService(JNIEnv *env) {
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jclass clazz = env->FindClass("android/server/BluetoothA2dpService");
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if (clazz == NULL) {
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LOGE("Can't find android/server/BluetoothA2dpService");
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return -1;
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}
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#ifdef HAVE_BLUETOOTH
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method_onSinkPropertyChanged = env->GetMethodID(clazz, "onSinkPropertyChanged",
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"(Ljava/lang/String;[Ljava/lang/String;)V");
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method_onConnectSinkResult = env->GetMethodID(clazz, "onConnectSinkResult",
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"(Ljava/lang/String;Z)V");
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method_onGetPlayStatusRequest = env->GetMethodID(clazz, "onGetPlayStatusRequest",
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"(Ljava/lang/String;)V");
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field_mTrackName = env->GetFieldID(clazz, "mTrackName", "Ljava/lang/String;");
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field_mArtistName = env->GetFieldID(clazz, "mArtistName", "Ljava/lang/String;");
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field_mAlbumName = env->GetFieldID(clazz, "mAlbumName", "Ljava/lang/String;");
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field_mMediaNumber = env->GetFieldID(clazz, "mMediaNumber", "Ljava/lang/String;");
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field_mMediaCount = env->GetFieldID(clazz, "mMediaCount", "Ljava/lang/String;");
|
|
field_mDuration = env->GetFieldID(clazz, "mDuration", "Ljava/lang/String;");
|
|
#endif
|
|
|
|
return AndroidRuntime::registerNativeMethods(env,
|
|
"android/server/BluetoothA2dpService", sMethods, NELEM(sMethods));
|
|
}
|
|
|
|
} /* namespace android */
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