/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* MetadataTraversal implementation */
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#include "sles_allinclusive.h"
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static SLresult IMetadataTraversal_SetMode(SLMetadataTraversalItf self, SLuint32 mode)
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{
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SL_ENTER_INTERFACE
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switch (mode) {
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case SL_METADATATRAVERSALMODE_ALL:
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case SL_METADATATRAVERSALMODE_NODE:
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{
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IMetadataTraversal *thiz = (IMetadataTraversal *) self;
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interface_lock_poke(thiz);
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thiz->mMode = mode;
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interface_unlock_poke(thiz);
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result = SL_RESULT_SUCCESS;
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}
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break;
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default:
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result = SL_RESULT_PARAMETER_INVALID;
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break;
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}
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SL_LEAVE_INTERFACE
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}
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static SLresult IMetadataTraversal_GetChildCount(SLMetadataTraversalItf self, SLuint32 *pCount)
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{
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SL_ENTER_INTERFACE
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if (NULL == pCount) {
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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IMetadataTraversal *thiz = (IMetadataTraversal *) self;
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interface_lock_peek(thiz);
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SLuint32 count = thiz->mCount;
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interface_unlock_peek(thiz);
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*pCount = count;
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result = SL_RESULT_SUCCESS;
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}
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SL_LEAVE_INTERFACE
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}
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static SLresult IMetadataTraversal_GetChildMIMETypeSize(
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SLMetadataTraversalItf self, SLuint32 index, SLuint32 *pSize)
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{
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SL_ENTER_INTERFACE
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if (NULL == pSize) {
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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IMetadataTraversal *thiz = (IMetadataTraversal *) self;
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interface_lock_peek(thiz);
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SLuint32 size = thiz->mSize;
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interface_unlock_peek(thiz);
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*pSize = size;
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result = SL_RESULT_SUCCESS;
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}
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SL_LEAVE_INTERFACE
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}
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static SLresult IMetadataTraversal_GetChildInfo(SLMetadataTraversalItf self, SLuint32 index,
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SLint32 *pNodeID, SLuint32 *pType, SLuint32 size, SLchar *pMimeType)
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{
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SL_ENTER_INTERFACE
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//IMetadataTraversal *thiz = (IMetadataTraversal *) self;
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result = SL_RESULT_FEATURE_UNSUPPORTED;
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SL_LEAVE_INTERFACE
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}
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static SLresult IMetadataTraversal_SetActiveNode(SLMetadataTraversalItf self, SLuint32 index)
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{
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SL_ENTER_INTERFACE
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if (SL_NODE_PARENT == index) {
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;
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}
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IMetadataTraversal *thiz = (IMetadataTraversal *) self;
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thiz->mIndex = index;
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result = SL_RESULT_PARAMETER_INVALID;
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SL_LEAVE_INTERFACE
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}
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static const struct SLMetadataTraversalItf_ IMetadataTraversal_Itf = {
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IMetadataTraversal_SetMode,
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IMetadataTraversal_GetChildCount,
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IMetadataTraversal_GetChildMIMETypeSize,
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IMetadataTraversal_GetChildInfo,
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IMetadataTraversal_SetActiveNode
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};
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void IMetadataTraversal_init(void *self)
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{
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IMetadataTraversal *thiz = (IMetadataTraversal *) self;
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thiz->mItf = &IMetadataTraversal_Itf;
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thiz->mIndex = 0;
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thiz->mMode = SL_METADATATRAVERSALMODE_NODE;
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thiz->mCount = 0;
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thiz->mSize = 0;
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}
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