1 /*
2  * Copyright (C) 2010 The Android Open Source Project
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 express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 /* DynamicSource implementation */
18 
19 #include "sles_allinclusive.h"
20 
21 
IDynamicSource_SetSource(SLDynamicSourceItf self,SLDataSource * pDataSource)22 static SLresult IDynamicSource_SetSource(SLDynamicSourceItf self, SLDataSource *pDataSource)
23 {
24     SL_ENTER_INTERFACE
25 
26     if (NULL == pDataSource) {
27         result = SL_RESULT_PARAMETER_INVALID;
28     } else {
29         IDynamicSource *thiz = (IDynamicSource *) self;
30 #if 0
31         DataLocatorFormat myDataSource;
32         SLresult result;
33         result = checkDataSource("pDataSource", pDataSource, &myDataSource, DATALOCATOR_MASK_ALL,
34                 DATAFORMAT_MASK_ALL);
35         // handle result here
36 #endif
37         // need to lock the object, as a change to source can impact most of object
38         IObject *thisObject = InterfaceToIObject(thiz);
39         object_lock_exclusive(thisObject);
40         // a bit of a simplification to say the least! (see Khronos bug 6728)
41         thiz->mDataSource = pDataSource;
42         object_unlock_exclusive(thisObject);
43         result = SL_RESULT_FEATURE_UNSUPPORTED;
44     }
45 
46     SL_LEAVE_INTERFACE
47 }
48 
49 
50 static const struct SLDynamicSourceItf_ IDynamicSource_Itf = {
51     IDynamicSource_SetSource
52 };
53 
IDynamicSource_init(void * self)54 void IDynamicSource_init(void *self)
55 {
56     IDynamicSource *thiz = (IDynamicSource *) self;
57     thiz->mItf = &IDynamicSource_Itf;
58     // mDataSource will be re-initialized later in the containing object constructor
59     thiz->mDataSource = NULL;
60 }
61