| /* ------------------------------------------------------------------ |
| * Copyright (C) 1998-2009 PacketVideo |
| * |
| * 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 "pvmf_basic_errorinfomessage.h" |
| #include "oscl_mem.h" |
| |
| OSCL_EXPORT_REF PVMFBasicErrorInfoMessage::PVMFBasicErrorInfoMessage() : |
| iEventCode(0), |
| iNextMessage(NULL), |
| iRefCount(1) |
| { |
| } |
| |
| OSCL_EXPORT_REF PVMFBasicErrorInfoMessage::PVMFBasicErrorInfoMessage(int32 aCode, PVUuid& aUuid, PVMFErrorInfoMessageInterface* aNextMsg) : |
| iRefCount(1) |
| { |
| // Save the event info |
| iEventCode = aCode; |
| iEventUuid = aUuid; |
| iNextMessage = aNextMsg; |
| |
| // Increment the ref count for the next message in the list |
| if (iNextMessage) |
| { |
| iNextMessage->addRef(); |
| } |
| } |
| |
| OSCL_EXPORT_REF PVMFBasicErrorInfoMessage::~PVMFBasicErrorInfoMessage() |
| { |
| // If the destructor is called directly (instead of via removeRef()) |
| // then the ref count for the next message in the list needs to decremented |
| if (iNextMessage) |
| { |
| iNextMessage->removeRef(); |
| iNextMessage = NULL; |
| } |
| } |
| OSCL_EXPORT_REF void PVMFBasicErrorInfoMessage::destroy() |
| { |
| OSCL_DELETE(this); |
| } |
| |
| OSCL_EXPORT_REF void PVMFBasicErrorInfoMessage::SetEventCodeUUID(int32 aCode, PVUuid aUuid) |
| { |
| // Set event code and UUID |
| iEventCode = aCode; |
| iEventUuid = aUuid; |
| } |
| |
| OSCL_EXPORT_REF void PVMFBasicErrorInfoMessage::SetNextMessage(PVMFErrorInfoMessageInterface& aNextMsg) |
| { |
| // Remove reference to existing one if present |
| if (iNextMessage) |
| { |
| iNextMessage->removeRef(); |
| } |
| |
| // Save the reference and increment ref for it |
| iNextMessage = &aNextMsg; |
| iNextMessage->addRef(); |
| } |
| |
| OSCL_EXPORT_REF void PVMFBasicErrorInfoMessage::GetCodeUUID(int32& aCode, PVUuid& aUuid) |
| { |
| // Return event code and UUID |
| aCode = iEventCode; |
| aUuid = iEventUuid; |
| } |
| |
| OSCL_EXPORT_REF PVMFErrorInfoMessageInterface* PVMFBasicErrorInfoMessage::GetNextMessage() |
| { |
| // Return the next message in the list |
| return iNextMessage; |
| } |
| |
| OSCL_EXPORT_REF void PVMFBasicErrorInfoMessage::addRef() |
| { |
| // Increment this object's ref count |
| ++iRefCount; |
| |
| // Increment ref count for the next message in the list |
| if (iNextMessage) |
| { |
| iNextMessage->addRef(); |
| } |
| } |
| |
| OSCL_EXPORT_REF void PVMFBasicErrorInfoMessage::removeRef() |
| { |
| // Decrement ref count for the next message in the list |
| if (iNextMessage) |
| { |
| iNextMessage->removeRef(); |
| } |
| |
| // Decrement this object's ref count |
| --iRefCount; |
| |
| // If ref count reaches 0 then destroy this object automatically |
| if (iRefCount <= 0) |
| { |
| // The next message's refcount has already been decremented so |
| // set to NULL so the destructor won't decrement again. |
| iNextMessage = NULL; |
| // Destroy this instance. |
| destroy(); |
| } |
| } |
| |
| OSCL_EXPORT_REF bool PVMFBasicErrorInfoMessage::queryInterface(const PVUuid& uuid, PVInterface*& iface) |
| { |
| // Only returns the error/info message interface |
| if (uuid == PVMFErrorInfoMessageInterfaceUUID) |
| { |
| PVMFErrorInfoMessageInterface* myInterface = OSCL_STATIC_CAST(PVMFErrorInfoMessageInterface*, this); |
| iface = OSCL_STATIC_CAST(PVInterface*, myInterface); |
| } |
| else |
| { |
| return false; |
| } |
| |
| return true; |
| } |
| |