text: /*
   * Copyright (C) 2016 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 <unistd.h>
  #include <fcntl.h>
  
  #include <binder/ActivityManager.h>
  #include <binder/IActivityManager.h>
  #include <binder/Parcel.h>
  
  namespace android {
  
  // ------------------------------------------------------------------------------------
  
  class BpActivityManager : public BpInterface<IActivityManager>
  {
  public:
      explicit BpActivityManager(const sp<IBinder>& impl)
          : BpInterface<IActivityManager>(impl)
      {
      }
  
      virtual int openContentUri(const String16& stringUri)
      {
          Parcel data, reply;
          data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
          data.writeString16(stringUri);
          status_t ret = remote()->transact(OPEN_CONTENT_URI_TRANSACTION, data, & reply);
          int fd = -1;
          if (ret == NO_ERROR) {
              int32_t exceptionCode = reply.readExceptionCode();
              if (!exceptionCode) {
                  // Success is indicated here by a nonzero int followed by the fd;
                  // failure by a zero int with no data following.
                  if (reply.readInt32() != 0) {
  #if TODO /* M3E: no fcntl */
                      fd = fcntl(reply.readParcelFileDescriptor(), F_DUPFD_CLOEXEC, 0);
  #endif  // M3E
                  }
              } else {
                  // An exception was thrown back; fall through to return failure
                  ALOGD("openContentUri(%s) caught exception %d\n",
                          String8(stringUri).string(), exceptionCode);
              }
          }
          return fd;
      }
  
      virtual void registerUidObserver(const sp<IUidObserver>& observer,
                                       const int32_t event,
                                       const int32_t cutpoint,
                                       const String16& callingPackage)
      {
           Parcel data, reply;
           data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
           data.writeStrongBinder(IInterface::asBinder(observer));
           data.writeInt32(event);
           data.writeInt32(cutpoint);
           data.writeString16(callingPackage);
           remote()->transact(REGISTER_UID_OBSERVER_TRANSACTION, data, &reply);
      }
  
      virtual void unregisterUidObserver(const sp<IUidObserver>& observer)
      {
           Parcel data, reply;
           data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
           data.writeStrongBinder(IInterface::asBinder(observer));
           remote()->transact(UNREGISTER_UID_OBSERVER_TRANSACTION, data, &reply);
      }
  
      virtual bool isUidActive(const uid_t uid, const String16& callingPackage)
      {
           Parcel data, reply;
           data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
           data.writeInt32(uid);
           data.writeString16(callingPackage);
           remote()->transact(IS_UID_ACTIVE_TRANSACTION, data, &reply);
           // fail on exception
           if (reply.readExceptionCode() != 0) return false;
           return reply.readInt32() == 1;
      }
  
      virtual int32_t getUidProcessState(const uid_t uid, const String16& callingPackage)
      {
          Parcel data, reply;
          data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor());
          data.writeInt32(uid);
          data.writeString16(callingPackage);
          remote()->transact(GET_UID_PROCESS_STATE_TRANSACTION, data, &reply);
          // fail on exception
          if (reply.readExceptionCode() != 0) {
              return ActivityManager::PROCESS_STATE_UNKNOWN;
          }
          return reply.readInt32();
      }
  };
  
  // ------------------------------------------------------------------------------------
  
  IMPLEMENT_META_INTERFACE(ActivityManager, "android.app.IActivityManager");
  
  }; // namespace android
  