1/*-------------------------------------------------------------------------
2 * drawElements Quality Program Tester Core
3 * ----------------------------------------
4 *
5 * Copyright 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 *      http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 *//*!
20 * \file
21 * \brief Resource wrapper for AAssetManager.
22 *//*--------------------------------------------------------------------*/
23
24#include "tcuAndroidAssets.hpp"
25
26namespace tcu
27{
28namespace Android
29{
30
31AssetArchive::AssetArchive (AAssetManager* assetMgr)
32	: m_assetMgr(assetMgr)
33{
34}
35
36AssetArchive::~AssetArchive (void)
37{
38}
39
40Resource* AssetArchive::getResource (const char* name) const
41{
42	return new AssetResource(m_assetMgr, name);
43}
44
45AssetResource::AssetResource (AAssetManager* assetMgr, const char* name)
46	: Resource	(name)
47	, m_asset	(DE_NULL)
48{
49	m_asset = AAssetManager_open(assetMgr, name, AASSET_MODE_RANDOM);
50
51	if (!m_asset)
52		throw ResourceError("Failed to open asset resource", name, __FILE__, __LINE__);
53}
54
55AssetResource::~AssetResource (void)
56{
57	AAsset_close(m_asset);
58}
59
60void AssetResource::read (deUint8* dst, int numBytes)
61{
62	TCU_CHECK(AAsset_read(m_asset, dst, numBytes) == numBytes);
63}
64
65int AssetResource::getPosition (void) const
66{
67	return (int)AAsset_getLength(m_asset) - (int)AAsset_getRemainingLength(m_asset);
68}
69
70void AssetResource::setPosition (int position)
71{
72	TCU_CHECK(AAsset_seek(m_asset, position, SEEK_SET) == position);
73}
74
75bool AssetResource::isFinished (void) const
76{
77	return AAsset_getRemainingLength(m_asset) <= 0;
78}
79
80int AssetResource::getSize (void) const
81{
82	return (int)AAsset_getLength(m_asset);
83}
84
85} // Android
86} // tcu
87