1/* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
13 * express or implied.
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
17 */
18
19#include "pvmf_duration_infomessage.h"
20#include "oscl_mem.h"
21
22OSCL_EXPORT_REF PVMFDurationInfoMessage::PVMFDurationInfoMessage() :
23        iEventCode(0),
24        iDuration(0),
25        iRefCount(1)
26{
27}
28
29OSCL_EXPORT_REF PVMFDurationInfoMessage::PVMFDurationInfoMessage(uint32 aDuration, int32 aCode, PVUuid aUuid) :
30        iRefCount(1)
31{
32    // Save the event info
33    iEventCode = aCode;
34    iEventUuid = aUuid;
35    iDuration = aDuration;
36}
37
38OSCL_EXPORT_REF PVMFDurationInfoMessage::~PVMFDurationInfoMessage()
39{
40    // If the destructor is called directly (instead of via removeRef())
41    // then the ref count for the next message in the list needs to decremented
42}
43OSCL_EXPORT_REF void PVMFDurationInfoMessage::destroy()
44{
45    OSCL_DELETE(this);
46}
47
48OSCL_EXPORT_REF void PVMFDurationInfoMessage::SetEventCodeUUID(int32 aCode, PVUuid aUuid)
49{
50    // Set event code and UUID
51    iEventCode = aCode;
52    iEventUuid = aUuid;
53}
54
55OSCL_EXPORT_REF void PVMFDurationInfoMessage::GetCodeUUID(int32& aCode, PVUuid& aUuid)
56{
57    // Return event code and UUID
58    aCode = iEventCode;
59    aUuid = iEventUuid;
60}
61
62OSCL_EXPORT_REF uint32 PVMFDurationInfoMessage::GetDuration()
63{
64    // Return the next message in the list
65    return iDuration;
66}
67
68OSCL_EXPORT_REF void PVMFDurationInfoMessage::addRef()
69{
70    // Increment this object's ref count
71    ++iRefCount;
72}
73
74OSCL_EXPORT_REF void PVMFDurationInfoMessage::removeRef()
75{
76    // Decrement this object's ref count
77    --iRefCount;
78
79    // If ref count reaches 0 then destroy this object automatically
80    if (iRefCount <= 0)
81    {
82        // The next message's refcount has already been decremented so
83        // set to NULL so the destructor won't decrement again.
84        // Destroy this instance.
85        destroy();
86    }
87}
88
89OSCL_EXPORT_REF bool PVMFDurationInfoMessage::queryInterface(const PVUuid& uuid, PVInterface*& iface)
90{
91    // Only returns the error/info message interface
92    if (uuid == PVMFDurationInfoMessageInterfaceUUID)
93    {
94        PVMFDurationInfoMessageInterface* myInterface = OSCL_STATIC_CAST(PVMFDurationInfoMessageInterface*, this);
95        iface = OSCL_STATIC_CAST(PVInterface*, myInterface);
96    }
97    else
98    {
99        return false;
100    }
101    return true;
102}
103
104