/*
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* Copyright (c) 2014 The Android Open Source Project
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* Copyright (C) 2012 The Android Open Source Project
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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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#ifndef COM_ANDROID_BLUETOOTH_H
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#define COM_ANDROID_BLUETOOTH_H
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#include <nativehelper/JNIHelp.h>
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#include "android_runtime/AndroidRuntime.h"
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#include "android_runtime/Log.h"
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#include "hardware/bluetooth.h"
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#include "hardware/hardware.h"
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#include "jni.h"
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#include "nativehelper/ScopedLocalRef.h"
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#include "utils/Log.h"
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namespace android {
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JNIEnv* getCallbackEnv();
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class CallbackEnv {
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public:
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CallbackEnv(const char *methodName) : mName(methodName) {
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mCallbackEnv = getCallbackEnv();
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}
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~CallbackEnv() {
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if (mCallbackEnv && mCallbackEnv->ExceptionCheck()) {
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ALOGE("An exception was thrown by callback '%s'.", mName);
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LOGE_EX(mCallbackEnv);
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mCallbackEnv->ExceptionClear();
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}
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}
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bool valid() const {
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JNIEnv *env = AndroidRuntime::getJNIEnv();
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if (!mCallbackEnv || (mCallbackEnv != env)) {
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ALOGE("%s: Callback env fail: env: %p, callback: %p", mName, env, mCallbackEnv);
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return false;
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}
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return true;
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}
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// stolen from art/runtime/jni/check_jni.cc
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bool isValidUtf(const char* bytes) const {
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while (*bytes != '\0') {
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const uint8_t* utf8 = reinterpret_cast<const uint8_t*>(bytes++);
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// Switch on the high four bits.
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switch (*utf8 >> 4) {
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case 0x00:
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case 0x01:
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case 0x02:
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case 0x03:
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case 0x04:
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case 0x05:
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case 0x06:
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case 0x07:
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// Bit pattern 0xxx. No need for any extra bytes.
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break;
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case 0x08:
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case 0x09:
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case 0x0a:
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case 0x0b:
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// Bit patterns 10xx, which are illegal start bytes.
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return false;
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case 0x0f:
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// Bit pattern 1111, which might be the start of a 4 byte sequence.
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if ((*utf8 & 0x08) == 0) {
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// Bit pattern 1111 0xxx, which is the start of a 4 byte sequence.
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// We consume one continuation byte here, and fall through to
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// consume two more.
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utf8 = reinterpret_cast<const uint8_t*>(bytes++);
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if ((*utf8 & 0xc0) != 0x80) {
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return false;
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}
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} else {
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return false;
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}
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// Fall through to the cases below to consume two more continuation
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// bytes.
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FALLTHROUGH_INTENDED;
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case 0x0e:
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// Bit pattern 1110, so there are two additional bytes.
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utf8 = reinterpret_cast<const uint8_t*>(bytes++);
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if ((*utf8 & 0xc0) != 0x80) {
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return false;
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}
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// Fall through to consume one more continuation byte.
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FALLTHROUGH_INTENDED;
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case 0x0c:
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case 0x0d:
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// Bit pattern 110x, so there is one additional byte.
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utf8 = reinterpret_cast<const uint8_t*>(bytes++);
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if ((*utf8 & 0xc0) != 0x80) {
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return false;
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}
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break;
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}
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}
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return true;
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}
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JNIEnv *operator-> () const {
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return mCallbackEnv;
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}
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JNIEnv *get() const {
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return mCallbackEnv;
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}
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private:
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JNIEnv *mCallbackEnv;
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const char *mName;
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DISALLOW_COPY_AND_ASSIGN(CallbackEnv);
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};
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const bt_interface_t* getBluetoothInterface();
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int register_com_android_bluetooth_hfp(JNIEnv* env);
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int register_com_android_bluetooth_hfpclient(JNIEnv* env);
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int register_com_android_bluetooth_a2dp(JNIEnv* env);
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int register_com_android_bluetooth_a2dp_sink(JNIEnv* env);
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int register_com_android_bluetooth_avrcp(JNIEnv* env);
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int register_com_android_bluetooth_avrcp_target(JNIEnv* env);
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int register_com_android_bluetooth_avrcp_controller(JNIEnv* env);
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int register_com_android_bluetooth_hid_host(JNIEnv* env);
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int register_com_android_bluetooth_hid_device(JNIEnv* env);
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int register_com_android_bluetooth_pan(JNIEnv* env);
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int register_com_android_bluetooth_gatt (JNIEnv* env);
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int register_com_android_bluetooth_sdp (JNIEnv* env);
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int register_com_android_bluetooth_hearing_aid(JNIEnv* env);
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}
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#endif /* COM_ANDROID_BLUETOOTH_H */
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