| /* |
| * Copyright (C) 2010 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. |
| */ |
| |
| /* MetadataTraversal implementation */ |
| |
| #include "sles_allinclusive.h" |
| |
| |
| static SLresult IMetadataTraversal_SetMode(SLMetadataTraversalItf self, SLuint32 mode) |
| { |
| SL_ENTER_INTERFACE |
| |
| switch (mode) { |
| case SL_METADATATRAVERSALMODE_ALL: |
| case SL_METADATATRAVERSALMODE_NODE: |
| { |
| IMetadataTraversal *thiz = (IMetadataTraversal *) self; |
| interface_lock_poke(thiz); |
| thiz->mMode = mode; |
| interface_unlock_poke(thiz); |
| result = SL_RESULT_SUCCESS; |
| } |
| break; |
| default: |
| result = SL_RESULT_PARAMETER_INVALID; |
| break; |
| } |
| |
| SL_LEAVE_INTERFACE |
| } |
| |
| |
| static SLresult IMetadataTraversal_GetChildCount(SLMetadataTraversalItf self, SLuint32 *pCount) |
| { |
| SL_ENTER_INTERFACE |
| |
| if (NULL == pCount) { |
| result = SL_RESULT_PARAMETER_INVALID; |
| } else { |
| IMetadataTraversal *thiz = (IMetadataTraversal *) self; |
| interface_lock_peek(thiz); |
| SLuint32 count = thiz->mCount; |
| interface_unlock_peek(thiz); |
| *pCount = count; |
| result = SL_RESULT_SUCCESS; |
| } |
| |
| SL_LEAVE_INTERFACE |
| } |
| |
| |
| static SLresult IMetadataTraversal_GetChildMIMETypeSize( |
| SLMetadataTraversalItf self, SLuint32 index, SLuint32 *pSize) |
| { |
| SL_ENTER_INTERFACE |
| |
| if (NULL == pSize) { |
| result = SL_RESULT_PARAMETER_INVALID; |
| } else { |
| IMetadataTraversal *thiz = (IMetadataTraversal *) self; |
| interface_lock_peek(thiz); |
| SLuint32 size = thiz->mSize; |
| interface_unlock_peek(thiz); |
| *pSize = size; |
| result = SL_RESULT_SUCCESS; |
| } |
| |
| SL_LEAVE_INTERFACE |
| } |
| |
| |
| static SLresult IMetadataTraversal_GetChildInfo(SLMetadataTraversalItf self, SLuint32 index, |
| SLint32 *pNodeID, SLuint32 *pType, SLuint32 size, SLchar *pMimeType) |
| { |
| SL_ENTER_INTERFACE |
| |
| //IMetadataTraversal *thiz = (IMetadataTraversal *) self; |
| result = SL_RESULT_FEATURE_UNSUPPORTED; |
| |
| SL_LEAVE_INTERFACE |
| } |
| |
| |
| static SLresult IMetadataTraversal_SetActiveNode(SLMetadataTraversalItf self, SLuint32 index) |
| { |
| SL_ENTER_INTERFACE |
| |
| if (SL_NODE_PARENT == index) { |
| ; |
| } |
| IMetadataTraversal *thiz = (IMetadataTraversal *) self; |
| thiz->mIndex = index; |
| result = SL_RESULT_PARAMETER_INVALID; |
| |
| SL_LEAVE_INTERFACE |
| } |
| |
| |
| static const struct SLMetadataTraversalItf_ IMetadataTraversal_Itf = { |
| IMetadataTraversal_SetMode, |
| IMetadataTraversal_GetChildCount, |
| IMetadataTraversal_GetChildMIMETypeSize, |
| IMetadataTraversal_GetChildInfo, |
| IMetadataTraversal_SetActiveNode |
| }; |
| |
| void IMetadataTraversal_init(void *self) |
| { |
| IMetadataTraversal *thiz = (IMetadataTraversal *) self; |
| thiz->mItf = &IMetadataTraversal_Itf; |
| thiz->mIndex = 0; |
| thiz->mMode = SL_METADATATRAVERSALMODE_NODE; |
| thiz->mCount = 0; |
| thiz->mSize = 0; |
| } |