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-rw-r--r--libs/androidfw/AssetManager.cpp211
1 files changed, 137 insertions, 74 deletions
diff --git a/libs/androidfw/AssetManager.cpp b/libs/androidfw/AssetManager.cpp
index 8bd805c..806e716 100644
--- a/libs/androidfw/AssetManager.cpp
+++ b/libs/androidfw/AssetManager.cpp
@@ -1,5 +1,6 @@
/*
* Copyright (C) 2006 The Android Open Source Project
+ * This code has been modified. Portions copyright (C) 2010, T-Mobile USA, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -152,7 +153,7 @@ AssetManager::~AssetManager(void)
delete[] mVendor;
}
-bool AssetManager::addAssetPath(const String8& path, void** cookie)
+bool AssetManager::addAssetPath(const String8& path, void** cookie, bool asSkin)
{
AutoMutex _l(mLock);
@@ -162,6 +163,7 @@ bool AssetManager::addAssetPath(const String8& path, void** cookie)
if (kAppZipName) {
realPath.appendPath(kAppZipName);
}
+ ap.asSkin = asSkin;
ap.type = ::getFileType(realPath.string());
if (ap.type == kFileTypeRegular) {
ap.path = realPath;
@@ -516,9 +518,13 @@ Asset* AssetManager::open(const char* fileName, AccessMode mode)
size_t i = mAssetPaths.size();
while (i > 0) {
i--;
+ const asset_path& ap = mAssetPaths.itemAt(i);
+ if (ap.asSkin) {
+ continue;
+ }
ALOGV("Looking for asset '%s' in '%s'\n",
- assetName.string(), mAssetPaths.itemAt(i).path.string());
- Asset* pAsset = openNonAssetInPathLocked(assetName.string(), mode, mAssetPaths.itemAt(i));
+ assetName.string(), ap.path.string());
+ Asset* pAsset = openNonAssetInPathLocked(assetName.string(), mode, ap);
if (pAsset != NULL) {
return pAsset != kExcludedAsset ? pAsset : NULL;
}
@@ -550,9 +556,13 @@ Asset* AssetManager::openNonAsset(const char* fileName, AccessMode mode)
size_t i = mAssetPaths.size();
while (i > 0) {
i--;
- ALOGV("Looking for non-asset '%s' in '%s'\n", fileName, mAssetPaths.itemAt(i).path.string());
+ const asset_path& ap = mAssetPaths.itemAt(i);
+ if (ap.asSkin) {
+ continue;
+ }
+ ALOGV("Looking for non-asset '%s' in '%s'\n", fileName, ap.path.string());
Asset* pAsset = openNonAssetInPathLocked(
- fileName, mode, mAssetPaths.itemAt(i));
+ fileName, mode, ap);
if (pAsset != NULL) {
return pAsset != kExcludedAsset ? pAsset : NULL;
}
@@ -631,76 +641,13 @@ const ResTable* AssetManager::getResTable(bool required) const
if (mCacheMode != CACHE_OFF && !mCacheValid)
const_cast<AssetManager*>(this)->loadFileNameCacheLocked();
+ mResources = rt = new ResTable();
- const size_t N = mAssetPaths.size();
- for (size_t i=0; i<N; i++) {
- Asset* ass = NULL;
- ResTable* sharedRes = NULL;
- bool shared = true;
- const asset_path& ap = mAssetPaths.itemAt(i);
- Asset* idmap = openIdmapLocked(ap);
- ALOGV("Looking for resource asset in '%s'\n", ap.path.string());
- if (ap.type != kFileTypeDirectory) {
- if (i == 0) {
- // The first item is typically the framework resources,
- // which we want to avoid parsing every time.
- sharedRes = const_cast<AssetManager*>(this)->
- mZipSet.getZipResourceTable(ap.path);
- }
- if (sharedRes == NULL) {
- ass = const_cast<AssetManager*>(this)->
- mZipSet.getZipResourceTableAsset(ap.path);
- if (ass == NULL) {
- ALOGV("loading resource table %s\n", ap.path.string());
- ass = const_cast<AssetManager*>(this)->
- openNonAssetInPathLocked("resources.arsc",
- Asset::ACCESS_BUFFER,
- ap);
- if (ass != NULL && ass != kExcludedAsset) {
- ass = const_cast<AssetManager*>(this)->
- mZipSet.setZipResourceTableAsset(ap.path, ass);
- }
- }
-
- if (i == 0 && ass != NULL) {
- // If this is the first resource table in the asset
- // manager, then we are going to cache it so that we
- // can quickly copy it out for others.
- ALOGV("Creating shared resources for %s", ap.path.string());
- sharedRes = new ResTable();
- sharedRes->add(ass, (void*)(i+1), false, idmap);
- sharedRes = const_cast<AssetManager*>(this)->
- mZipSet.setZipResourceTable(ap.path, sharedRes);
- }
- }
- } else {
- ALOGV("loading resource table %s\n", ap.path.string());
- Asset* ass = const_cast<AssetManager*>(this)->
- openNonAssetInPathLocked("resources.arsc",
- Asset::ACCESS_BUFFER,
- ap);
- shared = false;
- }
- if ((ass != NULL || sharedRes != NULL) && ass != kExcludedAsset) {
- if (rt == NULL) {
- mResources = rt = new ResTable();
- updateResourceParamsLocked();
- }
- ALOGV("Installing resource asset %p in to table %p\n", ass, mResources);
- if (sharedRes != NULL) {
- ALOGV("Copying existing resources for %s", ap.path.string());
- rt->add(sharedRes);
- } else {
- ALOGV("Parsing resources for %s", ap.path.string());
- rt->add(ass, (void*)(i+1), !shared, idmap);
- }
-
- if (!shared) {
- delete ass;
- }
- }
- if (idmap != NULL) {
- delete idmap;
+ if (rt) {
+ const size_t N = mAssetPaths.size();
+ for (size_t i=0; i<N; i++) {
+ const asset_path& ap = mAssetPaths.itemAt(i);
+ updateResTableFromAssetPath(rt, ap, (void*)(i+1));
}
}
@@ -708,9 +655,73 @@ const ResTable* AssetManager::getResTable(bool required) const
if (!rt) {
mResources = rt = new ResTable();
}
+
return rt;
}
+void AssetManager::updateResTableFromAssetPath(ResTable *rt, const asset_path& ap, void *cookie) const
+{
+ Asset* ass = NULL;
+ ResTable* sharedRes = NULL;
+ bool shared = true;
+ size_t cookiePos = (size_t)cookie;
+ ALOGV("Looking for resource asset in '%s'\n", ap.path.string());
+ if (ap.type != kFileTypeDirectory) {
+ if (cookiePos == 1) {
+ // The first item is typically the framework resources,
+ // which we want to avoid parsing every time.
+ sharedRes = const_cast<AssetManager*>(this)->
+ mZipSet.getZipResourceTable(ap.path);
+ }
+ if (sharedRes == NULL) {
+ ass = const_cast<AssetManager*>(this)->
+ mZipSet.getZipResourceTableAsset(ap.path);
+ if (ass == NULL) {
+ ALOGV("loading resource table %s\n", ap.path.string());
+ ass = const_cast<AssetManager*>(this)->
+ openNonAssetInPathLocked("resources.arsc",
+ Asset::ACCESS_BUFFER,
+ ap);
+ if (ass != NULL && ass != kExcludedAsset) {
+ ass = const_cast<AssetManager*>(this)->
+ mZipSet.setZipResourceTableAsset(ap.path, ass);
+ }
+ }
+ if (cookiePos == 0 && ass != NULL) {
+ // If this is the first resource table in the asset
+ // manager, then we are going to cache it so that we
+ // can quickly copy it out for others.
+ ALOGV("Creating shared resources for %s", ap.path.string());
+ sharedRes = new ResTable();
+ sharedRes->add(ass, cookie, false);
+ sharedRes = const_cast<AssetManager*>(this)->
+ mZipSet.setZipResourceTable(ap.path, sharedRes);
+ }
+ }
+ } else {
+ ALOGV("loading resource table %s\n", ap.path.string());
+ Asset* ass = const_cast<AssetManager*>(this)->
+ openNonAssetInPathLocked("resources.arsc",
+ Asset::ACCESS_BUFFER,
+ ap);
+ shared = false;
+ }
+ if ((ass != NULL || sharedRes != NULL) && ass != kExcludedAsset) {
+ updateResourceParamsLocked();
+ ALOGV("Installing resource asset %p in to table %p\n", ass, mResources);
+ if (sharedRes != NULL) {
+ ALOGV("Copying existing resources for %s", ap.path.string());
+ rt->add(sharedRes);
+ } else {
+ ALOGV("Parsing resources for %s", ap.path.string());
+ rt->add(ass, cookie, !shared);
+ }
+ if (!shared) {
+ delete ass;
+ }
+ }
+}
+
void AssetManager::updateResourceParamsLocked() const
{
ResTable* res = mResources;
@@ -1163,6 +1174,9 @@ AssetDir* AssetManager::openDir(const char* dirName)
while (i > 0) {
i--;
const asset_path& ap = mAssetPaths.itemAt(i);
+ if (ap.asSkin) {
+ continue;
+ }
if (ap.type == kFileTypeRegular) {
ALOGV("Adding directory %s from zip %s", dirName, ap.path.string());
scanAndMergeZipLocked(pMergedInfo, ap, kAssetsRoot, dirName);
@@ -2017,3 +2031,52 @@ int AssetManager::ZipSet::getIndex(const String8& zip) const
return mZipPath.size()-1;
}
+
+bool AssetManager::attachThemePath(const String8& path, void** cookie)
+{
+ bool res = addAssetPath(path, cookie, true);
+ ResTable* rt = mResources;
+ if (res && rt != NULL && ((size_t)*cookie == mAssetPaths.size())) {
+ AutoMutex _l(mLock);
+ const asset_path& ap = mAssetPaths.itemAt((size_t)*cookie - 1);
+ updateResTableFromAssetPath(rt, ap, *cookie);
+ }
+ return res;
+}
+
+bool AssetManager::detachThemePath(const String8 &packageName, void* cookie)
+{
+ AutoMutex _l(mLock);
+
+ const size_t which = ((size_t)cookie)-1;
+ if (which >= mAssetPaths.size()) {
+ return false;
+ }
+
+ /* TODO: Ensure that this cookie is added with asSkin == true. */
+ mAssetPaths.removeAt(which);
+
+ ResTable* rt = mResources;
+ if (rt == NULL) {
+ ALOGV("ResTable must not be NULL");
+ return false;
+ }
+
+ rt->removeAssetsByCookie(packageName, (void *)cookie);
+
+ return true;
+}
+
+void AssetManager::addRedirections(PackageRedirectionMap* resMap)
+{
+ getResources();
+ ResTable* rt = mResources;
+ rt->addRedirections(resMap);
+}
+
+void AssetManager::clearRedirections()
+{
+ getResources();
+ ResTable* rt = mResources;
+ rt->clearRedirections();
+}
generated by cgit v1.1 at 2025-11-27 17:39:21 +0000