| /* //device/libs/android_runtime/android_util_AssetManager.cpp |
| ** |
| ** Copyright 2006, 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. |
| */ |
| |
| #define LOG_TAG "asset" |
| |
| #include <android_runtime/android_util_AssetManager.h> |
| |
| #include <inttypes.h> |
| #include <linux/capability.h> |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| #include <sys/stat.h> |
| #include <sys/system_properties.h> |
| |
| #include <private/android_filesystem_config.h> // for AID_SYSTEM |
| |
| #include "androidfw/Asset.h" |
| #include "androidfw/AssetManager.h" |
| #include "androidfw/AttributeResolution.h" |
| #include "androidfw/ResourceTypes.h" |
| #include "android_runtime/AndroidRuntime.h" |
| #include "android_util_Binder.h" |
| #include "core_jni_helpers.h" |
| #include "jni.h" |
| #include "JNIHelp.h" |
| #include "ScopedStringChars.h" |
| #include "ScopedUtfChars.h" |
| #include "utils/Log.h" |
| #include "utils/misc.h" |
| #include "utils/String8.h" |
| |
| extern "C" int capget(cap_user_header_t hdrp, cap_user_data_t datap); |
| extern "C" int capset(cap_user_header_t hdrp, const cap_user_data_t datap); |
| |
| |
| namespace android { |
| |
| static const bool kThrowOnBadId = false; |
| |
| // ---------------------------------------------------------------------------- |
| |
| static struct typedvalue_offsets_t |
| { |
| jfieldID mType; |
| jfieldID mData; |
| jfieldID mString; |
| jfieldID mAssetCookie; |
| jfieldID mResourceId; |
| jfieldID mChangingConfigurations; |
| jfieldID mDensity; |
| } gTypedValueOffsets; |
| |
| static struct assetfiledescriptor_offsets_t |
| { |
| jfieldID mFd; |
| jfieldID mStartOffset; |
| jfieldID mLength; |
| } gAssetFileDescriptorOffsets; |
| |
| static struct assetmanager_offsets_t |
| { |
| jfieldID mObject; |
| } gAssetManagerOffsets; |
| |
| static struct sparsearray_offsets_t |
| { |
| jclass classObject; |
| jmethodID constructor; |
| jmethodID put; |
| } gSparseArrayOffsets; |
| |
| static struct configuration_offsets_t |
| { |
| jclass classObject; |
| jmethodID constructor; |
| jfieldID mSmallestScreenWidthDpOffset; |
| jfieldID mScreenWidthDpOffset; |
| jfieldID mScreenHeightDpOffset; |
| } gConfigurationOffsets; |
| |
| jclass g_stringClass = NULL; |
| |
| // ---------------------------------------------------------------------------- |
| |
| static jint copyValue(JNIEnv* env, jobject outValue, const ResTable* table, |
| const Res_value& value, uint32_t ref, ssize_t block, |
| uint32_t typeSpecFlags, ResTable_config* config = NULL); |
| |
| jint copyValue(JNIEnv* env, jobject outValue, const ResTable* table, |
| const Res_value& value, uint32_t ref, ssize_t block, |
| uint32_t typeSpecFlags, ResTable_config* config) |
| { |
| env->SetIntField(outValue, gTypedValueOffsets.mType, value.dataType); |
| env->SetIntField(outValue, gTypedValueOffsets.mAssetCookie, |
| static_cast<jint>(table->getTableCookie(block))); |
| env->SetIntField(outValue, gTypedValueOffsets.mData, value.data); |
| env->SetObjectField(outValue, gTypedValueOffsets.mString, NULL); |
| env->SetIntField(outValue, gTypedValueOffsets.mResourceId, ref); |
| env->SetIntField(outValue, gTypedValueOffsets.mChangingConfigurations, |
| typeSpecFlags); |
| if (config != NULL) { |
| env->SetIntField(outValue, gTypedValueOffsets.mDensity, config->density); |
| } |
| return block; |
| } |
| |
| // This is called by zygote (running as user root) as part of preloadResources. |
| static void verifySystemIdmaps() |
| { |
| pid_t pid; |
| char system_id[10]; |
| |
| snprintf(system_id, sizeof(system_id), "%d", AID_SYSTEM); |
| |
| switch (pid = fork()) { |
| case -1: |
| ALOGE("failed to fork for idmap: %s", strerror(errno)); |
| break; |
| case 0: // child |
| { |
| struct __user_cap_header_struct capheader; |
| struct __user_cap_data_struct capdata; |
| |
| memset(&capheader, 0, sizeof(capheader)); |
| memset(&capdata, 0, sizeof(capdata)); |
| |
| capheader.version = _LINUX_CAPABILITY_VERSION; |
| capheader.pid = 0; |
| |
| if (capget(&capheader, &capdata) != 0) { |
| ALOGE("capget: %s\n", strerror(errno)); |
| exit(1); |
| } |
| |
| capdata.effective = capdata.permitted; |
| if (capset(&capheader, &capdata) != 0) { |
| ALOGE("capset: %s\n", strerror(errno)); |
| exit(1); |
| } |
| |
| if (setgid(AID_SYSTEM) != 0) { |
| ALOGE("setgid: %s\n", strerror(errno)); |
| exit(1); |
| } |
| |
| if (setuid(AID_SYSTEM) != 0) { |
| ALOGE("setuid: %s\n", strerror(errno)); |
| exit(1); |
| } |
| |
| // Generic idmap parameters |
| const char* argv[8]; |
| int argc = 0; |
| struct stat st; |
| |
| memset(argv, NULL, sizeof(argv)); |
| argv[argc++] = AssetManager::IDMAP_BIN; |
| argv[argc++] = "--scan"; |
| argv[argc++] = AssetManager::TARGET_PACKAGE_NAME; |
| argv[argc++] = AssetManager::TARGET_APK_PATH; |
| argv[argc++] = AssetManager::IDMAP_DIR; |
| |
| // Directories to scan for overlays: if OVERLAY_THEME_DIR_PROPERTY is defined, |
| // use OVERLAY_DIR/<value of OVERLAY_THEME_DIR_PROPERTY> in addition to OVERLAY_DIR. |
| char subdir[PROP_VALUE_MAX]; |
| int len = __system_property_get(AssetManager::OVERLAY_THEME_DIR_PERSIST_PROPERTY, |
| subdir); |
| if (len == 0) { |
| len = __system_property_get(AssetManager::OVERLAY_THEME_DIR_PROPERTY, subdir); |
| } |
| if (len > 0) { |
| String8 overlayPath = String8(AssetManager::OVERLAY_DIR) + "/" + subdir; |
| if (stat(overlayPath.string(), &st) == 0) { |
| argv[argc++] = overlayPath.string(); |
| } |
| } |
| if (stat(AssetManager::OVERLAY_DIR, &st) == 0) { |
| argv[argc++] = AssetManager::OVERLAY_DIR; |
| } |
| |
| // Finally, invoke idmap (if any overlay directory exists) |
| if (argc > 5) { |
| execv(AssetManager::IDMAP_BIN, (char* const*)argv); |
| ALOGE("failed to execv for idmap: %s", strerror(errno)); |
| exit(1); // should never get here |
| } else { |
| exit(0); |
| } |
| } |
| break; |
| default: // parent |
| waitpid(pid, NULL, 0); |
| break; |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| // this guy is exported to other jni routines |
| AssetManager* assetManagerForJavaObject(JNIEnv* env, jobject obj) |
| { |
| jlong amHandle = env->GetLongField(obj, gAssetManagerOffsets.mObject); |
| AssetManager* am = reinterpret_cast<AssetManager*>(amHandle); |
| if (am != NULL) { |
| return am; |
| } |
| jniThrowException(env, "java/lang/IllegalStateException", "AssetManager has been finalized!"); |
| return NULL; |
| } |
| |
| static jlong android_content_AssetManager_openAsset(JNIEnv* env, jobject clazz, |
| jstring fileName, jint mode) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| |
| ALOGV("openAsset in %p (Java object %p)\n", am, clazz); |
| |
| ScopedUtfChars fileName8(env, fileName); |
| if (fileName8.c_str() == NULL) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", "Empty file name"); |
| return -1; |
| } |
| |
| if (mode != Asset::ACCESS_UNKNOWN && mode != Asset::ACCESS_RANDOM |
| && mode != Asset::ACCESS_STREAMING && mode != Asset::ACCESS_BUFFER) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", "Bad access mode"); |
| return -1; |
| } |
| |
| Asset* a = am->open(fileName8.c_str(), (Asset::AccessMode)mode); |
| |
| if (a == NULL) { |
| jniThrowException(env, "java/io/FileNotFoundException", fileName8.c_str()); |
| return -1; |
| } |
| |
| //printf("Created Asset Stream: %p\n", a); |
| |
| return reinterpret_cast<jlong>(a); |
| } |
| |
| static jobject returnParcelFileDescriptor(JNIEnv* env, Asset* a, jlongArray outOffsets) |
| { |
| off64_t startOffset, length; |
| int fd = a->openFileDescriptor(&startOffset, &length); |
| delete a; |
| |
| if (fd < 0) { |
| jniThrowException(env, "java/io/FileNotFoundException", |
| "This file can not be opened as a file descriptor; it is probably compressed"); |
| return NULL; |
| } |
| |
| jlong* offsets = (jlong*)env->GetPrimitiveArrayCritical(outOffsets, 0); |
| if (offsets == NULL) { |
| close(fd); |
| return NULL; |
| } |
| |
| offsets[0] = startOffset; |
| offsets[1] = length; |
| |
| env->ReleasePrimitiveArrayCritical(outOffsets, offsets, 0); |
| |
| jobject fileDesc = jniCreateFileDescriptor(env, fd); |
| if (fileDesc == NULL) { |
| close(fd); |
| return NULL; |
| } |
| |
| return newParcelFileDescriptor(env, fileDesc); |
| } |
| |
| static jobject android_content_AssetManager_openAssetFd(JNIEnv* env, jobject clazz, |
| jstring fileName, jlongArray outOffsets) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| |
| ALOGV("openAssetFd in %p (Java object %p)\n", am, clazz); |
| |
| ScopedUtfChars fileName8(env, fileName); |
| if (fileName8.c_str() == NULL) { |
| return NULL; |
| } |
| |
| Asset* a = am->open(fileName8.c_str(), Asset::ACCESS_RANDOM); |
| |
| if (a == NULL) { |
| jniThrowException(env, "java/io/FileNotFoundException", fileName8.c_str()); |
| return NULL; |
| } |
| |
| //printf("Created Asset Stream: %p\n", a); |
| |
| return returnParcelFileDescriptor(env, a, outOffsets); |
| } |
| |
| static jlong android_content_AssetManager_openNonAssetNative(JNIEnv* env, jobject clazz, |
| jint cookie, |
| jstring fileName, |
| jint mode) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| |
| ALOGV("openNonAssetNative in %p (Java object %p)\n", am, clazz); |
| |
| ScopedUtfChars fileName8(env, fileName); |
| if (fileName8.c_str() == NULL) { |
| return -1; |
| } |
| |
| if (mode != Asset::ACCESS_UNKNOWN && mode != Asset::ACCESS_RANDOM |
| && mode != Asset::ACCESS_STREAMING && mode != Asset::ACCESS_BUFFER) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", "Bad access mode"); |
| return -1; |
| } |
| |
| Asset* a = cookie |
| ? am->openNonAsset(static_cast<int32_t>(cookie), fileName8.c_str(), |
| (Asset::AccessMode)mode) |
| : am->openNonAsset(fileName8.c_str(), (Asset::AccessMode)mode); |
| |
| if (a == NULL) { |
| jniThrowException(env, "java/io/FileNotFoundException", fileName8.c_str()); |
| return -1; |
| } |
| |
| //printf("Created Asset Stream: %p\n", a); |
| |
| return reinterpret_cast<jlong>(a); |
| } |
| |
| static jobject android_content_AssetManager_openNonAssetFdNative(JNIEnv* env, jobject clazz, |
| jint cookie, |
| jstring fileName, |
| jlongArray outOffsets) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| |
| ALOGV("openNonAssetFd in %p (Java object %p)\n", am, clazz); |
| |
| ScopedUtfChars fileName8(env, fileName); |
| if (fileName8.c_str() == NULL) { |
| return NULL; |
| } |
| |
| Asset* a = cookie |
| ? am->openNonAsset(static_cast<int32_t>(cookie), fileName8.c_str(), Asset::ACCESS_RANDOM) |
| : am->openNonAsset(fileName8.c_str(), Asset::ACCESS_RANDOM); |
| |
| if (a == NULL) { |
| jniThrowException(env, "java/io/FileNotFoundException", fileName8.c_str()); |
| return NULL; |
| } |
| |
| //printf("Created Asset Stream: %p\n", a); |
| |
| return returnParcelFileDescriptor(env, a, outOffsets); |
| } |
| |
| static jobjectArray android_content_AssetManager_list(JNIEnv* env, jobject clazz, |
| jstring fileName) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| |
| ScopedUtfChars fileName8(env, fileName); |
| if (fileName8.c_str() == NULL) { |
| return NULL; |
| } |
| |
| AssetDir* dir = am->openDir(fileName8.c_str()); |
| |
| if (dir == NULL) { |
| jniThrowException(env, "java/io/FileNotFoundException", fileName8.c_str()); |
| return NULL; |
| } |
| |
| size_t N = dir->getFileCount(); |
| |
| jobjectArray array = env->NewObjectArray(dir->getFileCount(), |
| g_stringClass, NULL); |
| if (array == NULL) { |
| delete dir; |
| return NULL; |
| } |
| |
| for (size_t i=0; i<N; i++) { |
| const String8& name = dir->getFileName(i); |
| jstring str = env->NewStringUTF(name.string()); |
| if (str == NULL) { |
| delete dir; |
| return NULL; |
| } |
| env->SetObjectArrayElement(array, i, str); |
| env->DeleteLocalRef(str); |
| } |
| |
| delete dir; |
| |
| return array; |
| } |
| |
| static void android_content_AssetManager_destroyAsset(JNIEnv* env, jobject clazz, |
| jlong assetHandle) |
| { |
| Asset* a = reinterpret_cast<Asset*>(assetHandle); |
| |
| //printf("Destroying Asset Stream: %p\n", a); |
| |
| if (a == NULL) { |
| jniThrowNullPointerException(env, "asset"); |
| return; |
| } |
| |
| delete a; |
| } |
| |
| static jint android_content_AssetManager_readAssetChar(JNIEnv* env, jobject clazz, |
| jlong assetHandle) |
| { |
| Asset* a = reinterpret_cast<Asset*>(assetHandle); |
| |
| if (a == NULL) { |
| jniThrowNullPointerException(env, "asset"); |
| return -1; |
| } |
| |
| uint8_t b; |
| ssize_t res = a->read(&b, 1); |
| return res == 1 ? b : -1; |
| } |
| |
| static jint android_content_AssetManager_readAsset(JNIEnv* env, jobject clazz, |
| jlong assetHandle, jbyteArray bArray, |
| jint off, jint len) |
| { |
| Asset* a = reinterpret_cast<Asset*>(assetHandle); |
| |
| if (a == NULL || bArray == NULL) { |
| jniThrowNullPointerException(env, "asset"); |
| return -1; |
| } |
| |
| if (len == 0) { |
| return 0; |
| } |
| |
| jsize bLen = env->GetArrayLength(bArray); |
| if (off < 0 || off >= bLen || len < 0 || len > bLen || (off+len) > bLen) { |
| jniThrowException(env, "java/lang/IndexOutOfBoundsException", ""); |
| return -1; |
| } |
| |
| jbyte* b = env->GetByteArrayElements(bArray, NULL); |
| ssize_t res = a->read(b+off, len); |
| env->ReleaseByteArrayElements(bArray, b, 0); |
| |
| if (res > 0) return static_cast<jint>(res); |
| |
| if (res < 0) { |
| jniThrowException(env, "java/io/IOException", ""); |
| } |
| return -1; |
| } |
| |
| static jlong android_content_AssetManager_seekAsset(JNIEnv* env, jobject clazz, |
| jlong assetHandle, |
| jlong offset, jint whence) |
| { |
| Asset* a = reinterpret_cast<Asset*>(assetHandle); |
| |
| if (a == NULL) { |
| jniThrowNullPointerException(env, "asset"); |
| return -1; |
| } |
| |
| return a->seek( |
| offset, (whence > 0) ? SEEK_END : (whence < 0 ? SEEK_SET : SEEK_CUR)); |
| } |
| |
| static jlong android_content_AssetManager_getAssetLength(JNIEnv* env, jobject clazz, |
| jlong assetHandle) |
| { |
| Asset* a = reinterpret_cast<Asset*>(assetHandle); |
| |
| if (a == NULL) { |
| jniThrowNullPointerException(env, "asset"); |
| return -1; |
| } |
| |
| return a->getLength(); |
| } |
| |
| static jlong android_content_AssetManager_getAssetRemainingLength(JNIEnv* env, jobject clazz, |
| jlong assetHandle) |
| { |
| Asset* a = reinterpret_cast<Asset*>(assetHandle); |
| |
| if (a == NULL) { |
| jniThrowNullPointerException(env, "asset"); |
| return -1; |
| } |
| |
| return a->getRemainingLength(); |
| } |
| |
| static jint android_content_AssetManager_addAssetPath(JNIEnv* env, jobject clazz, |
| jstring path, jboolean appAsLib) |
| { |
| ScopedUtfChars path8(env, path); |
| if (path8.c_str() == NULL) { |
| return 0; |
| } |
| |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| |
| int32_t cookie; |
| bool res = am->addAssetPath(String8(path8.c_str()), &cookie, appAsLib); |
| |
| return (res) ? static_cast<jint>(cookie) : 0; |
| } |
| |
| static jint android_content_AssetManager_addOverlayPath(JNIEnv* env, jobject clazz, |
| jstring idmapPath) |
| { |
| ScopedUtfChars idmapPath8(env, idmapPath); |
| if (idmapPath8.c_str() == NULL) { |
| return 0; |
| } |
| |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| |
| int32_t cookie; |
| bool res = am->addOverlayPath(String8(idmapPath8.c_str()), &cookie); |
| |
| return (res) ? (jint)cookie : 0; |
| } |
| |
| static jboolean android_content_AssetManager_isUpToDate(JNIEnv* env, jobject clazz) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return JNI_TRUE; |
| } |
| return am->isUpToDate() ? JNI_TRUE : JNI_FALSE; |
| } |
| |
| static jobjectArray getLocales(JNIEnv* env, jobject clazz, bool includeSystemLocales) |
| { |
| Vector<String8> locales; |
| |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| |
| am->getLocales(&locales, includeSystemLocales); |
| |
| const int N = locales.size(); |
| |
| jobjectArray result = env->NewObjectArray(N, g_stringClass, NULL); |
| if (result == NULL) { |
| return NULL; |
| } |
| |
| for (int i=0; i<N; i++) { |
| jstring str = env->NewStringUTF(locales[i].string()); |
| if (str == NULL) { |
| return NULL; |
| } |
| env->SetObjectArrayElement(result, i, str); |
| env->DeleteLocalRef(str); |
| } |
| |
| return result; |
| } |
| |
| static jobjectArray android_content_AssetManager_getLocales(JNIEnv* env, jobject clazz) |
| { |
| return getLocales(env, clazz, true /* include system locales */); |
| } |
| |
| static jobjectArray android_content_AssetManager_getNonSystemLocales(JNIEnv* env, jobject clazz) |
| { |
| return getLocales(env, clazz, false /* don't include system locales */); |
| } |
| |
| static jobject constructConfigurationObject(JNIEnv* env, const ResTable_config& config) { |
| jobject result = env->NewObject(gConfigurationOffsets.classObject, |
| gConfigurationOffsets.constructor); |
| if (result == NULL) { |
| return NULL; |
| } |
| |
| env->SetIntField(result, gConfigurationOffsets.mSmallestScreenWidthDpOffset, |
| config.smallestScreenWidthDp); |
| env->SetIntField(result, gConfigurationOffsets.mScreenWidthDpOffset, config.screenWidthDp); |
| env->SetIntField(result, gConfigurationOffsets.mScreenHeightDpOffset, config.screenHeightDp); |
| |
| return result; |
| } |
| |
| static jobjectArray getSizeConfigurationsInternal(JNIEnv* env, |
| const Vector<ResTable_config>& configs) { |
| const int N = configs.size(); |
| jobjectArray result = env->NewObjectArray(N, gConfigurationOffsets.classObject, NULL); |
| if (result == NULL) { |
| return NULL; |
| } |
| |
| for (int i=0; i<N; i++) { |
| jobject config = constructConfigurationObject(env, configs[i]); |
| if (config == NULL) { |
| env->DeleteLocalRef(result); |
| return NULL; |
| } |
| |
| env->SetObjectArrayElement(result, i, config); |
| env->DeleteLocalRef(config); |
| } |
| |
| return result; |
| } |
| |
| static jobjectArray android_content_AssetManager_getSizeConfigurations(JNIEnv* env, jobject clazz) { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| |
| const ResTable& res(am->getResources()); |
| Vector<ResTable_config> configs; |
| res.getConfigurations(&configs, false /* ignoreMipmap */, true /* ignoreAndroidPackage */); |
| |
| return getSizeConfigurationsInternal(env, configs); |
| } |
| |
| static void android_content_AssetManager_setConfiguration(JNIEnv* env, jobject clazz, |
| jint mcc, jint mnc, |
| jstring locale, jint orientation, |
| jint touchscreen, jint density, |
| jint keyboard, jint keyboardHidden, |
| jint navigation, |
| jint screenWidth, jint screenHeight, |
| jint smallestScreenWidthDp, |
| jint screenWidthDp, jint screenHeightDp, |
| jint screenLayout, jint uiMode, |
| jint colorMode, jint sdkVersion) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return; |
| } |
| |
| ResTable_config config; |
| memset(&config, 0, sizeof(config)); |
| |
| const char* locale8 = locale != NULL ? env->GetStringUTFChars(locale, NULL) : NULL; |
| |
| // Constants duplicated from Java class android.content.res.Configuration. |
| static const jint kScreenLayoutRoundMask = 0x300; |
| static const jint kScreenLayoutRoundShift = 8; |
| |
| config.mcc = (uint16_t)mcc; |
| config.mnc = (uint16_t)mnc; |
| config.orientation = (uint8_t)orientation; |
| config.touchscreen = (uint8_t)touchscreen; |
| config.density = (uint16_t)density; |
| config.keyboard = (uint8_t)keyboard; |
| config.inputFlags = (uint8_t)keyboardHidden; |
| config.navigation = (uint8_t)navigation; |
| config.screenWidth = (uint16_t)screenWidth; |
| config.screenHeight = (uint16_t)screenHeight; |
| config.smallestScreenWidthDp = (uint16_t)smallestScreenWidthDp; |
| config.screenWidthDp = (uint16_t)screenWidthDp; |
| config.screenHeightDp = (uint16_t)screenHeightDp; |
| config.screenLayout = (uint8_t)screenLayout; |
| config.uiMode = (uint8_t)uiMode; |
| config.colorMode = (uint8_t)colorMode; |
| config.sdkVersion = (uint16_t)sdkVersion; |
| config.minorVersion = 0; |
| |
| // In Java, we use a 32bit integer for screenLayout, while we only use an 8bit integer |
| // in C++. We must extract the round qualifier out of the Java screenLayout and put it |
| // into screenLayout2. |
| config.screenLayout2 = |
| (uint8_t)((screenLayout & kScreenLayoutRoundMask) >> kScreenLayoutRoundShift); |
| |
| am->setConfiguration(config, locale8); |
| |
| if (locale != NULL) env->ReleaseStringUTFChars(locale, locale8); |
| } |
| |
| static jint android_content_AssetManager_getResourceIdentifier(JNIEnv* env, jobject clazz, |
| jstring name, |
| jstring defType, |
| jstring defPackage) |
| { |
| ScopedStringChars name16(env, name); |
| if (name16.get() == NULL) { |
| return 0; |
| } |
| |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| |
| const char16_t* defType16 = reinterpret_cast<const char16_t*>(defType) |
| ? reinterpret_cast<const char16_t*>(env->GetStringChars(defType, NULL)) |
| : NULL; |
| jsize defTypeLen = defType |
| ? env->GetStringLength(defType) : 0; |
| const char16_t* defPackage16 = reinterpret_cast<const char16_t*>(defPackage) |
| ? reinterpret_cast<const char16_t*>(env->GetStringChars(defPackage, |
| NULL)) |
| : NULL; |
| jsize defPackageLen = defPackage |
| ? env->GetStringLength(defPackage) : 0; |
| |
| jint ident = am->getResources().identifierForName( |
| reinterpret_cast<const char16_t*>(name16.get()), name16.size(), |
| defType16, defTypeLen, defPackage16, defPackageLen); |
| |
| if (defPackage16) { |
| env->ReleaseStringChars(defPackage, |
| reinterpret_cast<const jchar*>(defPackage16)); |
| } |
| if (defType16) { |
| env->ReleaseStringChars(defType, |
| reinterpret_cast<const jchar*>(defType16)); |
| } |
| |
| return ident; |
| } |
| |
| static jstring android_content_AssetManager_getResourceName(JNIEnv* env, jobject clazz, |
| jint resid) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| |
| ResTable::resource_name name; |
| if (!am->getResources().getResourceName(resid, true, &name)) { |
| return NULL; |
| } |
| |
| String16 str; |
| if (name.package != NULL) { |
| str.setTo(name.package, name.packageLen); |
| } |
| if (name.type8 != NULL || name.type != NULL) { |
| if (str.size() > 0) { |
| char16_t div = ':'; |
| str.append(&div, 1); |
| } |
| if (name.type8 != NULL) { |
| str.append(String16(name.type8, name.typeLen)); |
| } else { |
| str.append(name.type, name.typeLen); |
| } |
| } |
| if (name.name8 != NULL || name.name != NULL) { |
| if (str.size() > 0) { |
| char16_t div = '/'; |
| str.append(&div, 1); |
| } |
| if (name.name8 != NULL) { |
| str.append(String16(name.name8, name.nameLen)); |
| } else { |
| str.append(name.name, name.nameLen); |
| } |
| } |
| |
| return env->NewString((const jchar*)str.string(), str.size()); |
| } |
| |
| static jstring android_content_AssetManager_getResourcePackageName(JNIEnv* env, jobject clazz, |
| jint resid) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| |
| ResTable::resource_name name; |
| if (!am->getResources().getResourceName(resid, true, &name)) { |
| return NULL; |
| } |
| |
| if (name.package != NULL) { |
| return env->NewString((const jchar*)name.package, name.packageLen); |
| } |
| |
| return NULL; |
| } |
| |
| static jstring android_content_AssetManager_getResourceTypeName(JNIEnv* env, jobject clazz, |
| jint resid) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| |
| ResTable::resource_name name; |
| if (!am->getResources().getResourceName(resid, true, &name)) { |
| return NULL; |
| } |
| |
| if (name.type8 != NULL) { |
| return env->NewStringUTF(name.type8); |
| } |
| |
| if (name.type != NULL) { |
| return env->NewString((const jchar*)name.type, name.typeLen); |
| } |
| |
| return NULL; |
| } |
| |
| static jstring android_content_AssetManager_getResourceEntryName(JNIEnv* env, jobject clazz, |
| jint resid) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| |
| ResTable::resource_name name; |
| if (!am->getResources().getResourceName(resid, true, &name)) { |
| return NULL; |
| } |
| |
| if (name.name8 != NULL) { |
| return env->NewStringUTF(name.name8); |
| } |
| |
| if (name.name != NULL) { |
| return env->NewString((const jchar*)name.name, name.nameLen); |
| } |
| |
| return NULL; |
| } |
| |
| static jint android_content_AssetManager_loadResourceValue(JNIEnv* env, jobject clazz, |
| jint ident, |
| jshort density, |
| jobject outValue, |
| jboolean resolve) |
| { |
| if (outValue == NULL) { |
| jniThrowNullPointerException(env, "outValue"); |
| return 0; |
| } |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| const ResTable& res(am->getResources()); |
| |
| Res_value value; |
| ResTable_config config; |
| uint32_t typeSpecFlags; |
| ssize_t block = res.getResource(ident, &value, false, density, &typeSpecFlags, &config); |
| if (kThrowOnBadId) { |
| if (block == BAD_INDEX) { |
| jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!"); |
| return 0; |
| } |
| } |
| uint32_t ref = ident; |
| if (resolve) { |
| block = res.resolveReference(&value, block, &ref, &typeSpecFlags, &config); |
| if (kThrowOnBadId) { |
| if (block == BAD_INDEX) { |
| jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!"); |
| return 0; |
| } |
| } |
| } |
| if (block >= 0) { |
| return copyValue(env, outValue, &res, value, ref, block, typeSpecFlags, &config); |
| } |
| |
| return static_cast<jint>(block); |
| } |
| |
| static jint android_content_AssetManager_loadResourceBagValue(JNIEnv* env, jobject clazz, |
| jint ident, jint bagEntryId, |
| jobject outValue, jboolean resolve) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| const ResTable& res(am->getResources()); |
| |
| // Now lock down the resource object and start pulling stuff from it. |
| res.lock(); |
| |
| ssize_t block = -1; |
| Res_value value; |
| |
| const ResTable::bag_entry* entry = NULL; |
| uint32_t typeSpecFlags; |
| ssize_t entryCount = res.getBagLocked(ident, &entry, &typeSpecFlags); |
| |
| for (ssize_t i=0; i<entryCount; i++) { |
| if (((uint32_t)bagEntryId) == entry->map.name.ident) { |
| block = entry->stringBlock; |
| value = entry->map.value; |
| } |
| entry++; |
| } |
| |
| res.unlock(); |
| |
| if (block < 0) { |
| return static_cast<jint>(block); |
| } |
| |
| uint32_t ref = ident; |
| if (resolve) { |
| block = res.resolveReference(&value, block, &ref, &typeSpecFlags); |
| if (kThrowOnBadId) { |
| if (block == BAD_INDEX) { |
| jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!"); |
| return 0; |
| } |
| } |
| } |
| if (block >= 0) { |
| return copyValue(env, outValue, &res, value, ref, block, typeSpecFlags); |
| } |
| |
| return static_cast<jint>(block); |
| } |
| |
| static jint android_content_AssetManager_getStringBlockCount(JNIEnv* env, jobject clazz) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| return am->getResources().getTableCount(); |
| } |
| |
| static jlong android_content_AssetManager_getNativeStringBlock(JNIEnv* env, jobject clazz, |
| jint block) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| return reinterpret_cast<jlong>(am->getResources().getTableStringBlock(block)); |
| } |
| |
| static jstring android_content_AssetManager_getCookieName(JNIEnv* env, jobject clazz, |
| jint cookie) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| String8 name(am->getAssetPath(static_cast<int32_t>(cookie))); |
| if (name.length() == 0) { |
| jniThrowException(env, "java/lang/IndexOutOfBoundsException", "Empty cookie name"); |
| return NULL; |
| } |
| jstring str = env->NewStringUTF(name.string()); |
| return str; |
| } |
| |
| static jobject android_content_AssetManager_getAssignedPackageIdentifiers(JNIEnv* env, jobject clazz) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| |
| const ResTable& res = am->getResources(); |
| |
| jobject sparseArray = env->NewObject(gSparseArrayOffsets.classObject, |
| gSparseArrayOffsets.constructor); |
| const size_t N = res.getBasePackageCount(); |
| for (size_t i = 0; i < N; i++) { |
| const String16 name = res.getBasePackageName(i); |
| env->CallVoidMethod( |
| sparseArray, gSparseArrayOffsets.put, |
| static_cast<jint>(res.getBasePackageId(i)), |
| env->NewString(reinterpret_cast<const jchar*>(name.string()), |
| name.size())); |
| } |
| return sparseArray; |
| } |
| |
| static jlong android_content_AssetManager_newTheme(JNIEnv* env, jobject clazz) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| return reinterpret_cast<jlong>(new ResTable::Theme(am->getResources())); |
| } |
| |
| static void android_content_AssetManager_deleteTheme(JNIEnv* env, jobject clazz, |
| jlong themeHandle) |
| { |
| ResTable::Theme* theme = reinterpret_cast<ResTable::Theme*>(themeHandle); |
| delete theme; |
| } |
| |
| static void android_content_AssetManager_applyThemeStyle(JNIEnv* env, jobject clazz, |
| jlong themeHandle, |
| jint styleRes, |
| jboolean force) |
| { |
| ResTable::Theme* theme = reinterpret_cast<ResTable::Theme*>(themeHandle); |
| theme->applyStyle(styleRes, force ? true : false); |
| } |
| |
| static void android_content_AssetManager_copyTheme(JNIEnv* env, jobject clazz, |
| jlong destHandle, jlong srcHandle) |
| { |
| ResTable::Theme* dest = reinterpret_cast<ResTable::Theme*>(destHandle); |
| ResTable::Theme* src = reinterpret_cast<ResTable::Theme*>(srcHandle); |
| dest->setTo(*src); |
| } |
| |
| static void android_content_AssetManager_clearTheme(JNIEnv* env, jobject clazz, jlong themeHandle) |
| { |
| ResTable::Theme* theme = reinterpret_cast<ResTable::Theme*>(themeHandle); |
| theme->clear(); |
| } |
| |
| static jint android_content_AssetManager_loadThemeAttributeValue( |
| JNIEnv* env, jobject clazz, jlong themeHandle, jint ident, jobject outValue, jboolean resolve) |
| { |
| ResTable::Theme* theme = reinterpret_cast<ResTable::Theme*>(themeHandle); |
| const ResTable& res(theme->getResTable()); |
| |
| Res_value value; |
| // XXX value could be different in different configs! |
| uint32_t typeSpecFlags = 0; |
| ssize_t block = theme->getAttribute(ident, &value, &typeSpecFlags); |
| uint32_t ref = 0; |
| if (resolve) { |
| block = res.resolveReference(&value, block, &ref, &typeSpecFlags); |
| if (kThrowOnBadId) { |
| if (block == BAD_INDEX) { |
| jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!"); |
| return 0; |
| } |
| } |
| } |
| return block >= 0 ? copyValue(env, outValue, &res, value, ref, block, typeSpecFlags) : block; |
| } |
| |
| static jint android_content_AssetManager_getThemeChangingConfigurations(JNIEnv* env, jobject clazz, |
| jlong themeHandle) |
| { |
| ResTable::Theme* theme = reinterpret_cast<ResTable::Theme*>(themeHandle); |
| return theme->getChangingConfigurations(); |
| } |
| |
| static void android_content_AssetManager_dumpTheme(JNIEnv* env, jobject clazz, |
| jlong themeHandle, jint pri, |
| jstring tag, jstring prefix) |
| { |
| ResTable::Theme* theme = reinterpret_cast<ResTable::Theme*>(themeHandle); |
| const ResTable& res(theme->getResTable()); |
| (void)res; |
| |
| // XXX Need to use params. |
| theme->dumpToLog(); |
| } |
| |
| static jboolean android_content_AssetManager_resolveAttrs(JNIEnv* env, jobject clazz, |
| jlong themeToken, |
| jint defStyleAttr, |
| jint defStyleRes, |
| jintArray inValues, |
| jintArray attrs, |
| jintArray outValues, |
| jintArray outIndices) |
| { |
| if (themeToken == 0) { |
| jniThrowNullPointerException(env, "theme token"); |
| return JNI_FALSE; |
| } |
| if (attrs == NULL) { |
| jniThrowNullPointerException(env, "attrs"); |
| return JNI_FALSE; |
| } |
| if (outValues == NULL) { |
| jniThrowNullPointerException(env, "out values"); |
| return JNI_FALSE; |
| } |
| |
| const jsize NI = env->GetArrayLength(attrs); |
| const jsize NV = env->GetArrayLength(outValues); |
| if (NV < (NI*STYLE_NUM_ENTRIES)) { |
| jniThrowException(env, "java/lang/IndexOutOfBoundsException", "out values too small"); |
| return JNI_FALSE; |
| } |
| |
| jint* src = (jint*)env->GetPrimitiveArrayCritical(attrs, 0); |
| if (src == NULL) { |
| return JNI_FALSE; |
| } |
| |
| jint* srcValues = (jint*)env->GetPrimitiveArrayCritical(inValues, 0); |
| const jsize NSV = srcValues == NULL ? 0 : env->GetArrayLength(inValues); |
| |
| jint* baseDest = (jint*)env->GetPrimitiveArrayCritical(outValues, 0); |
| if (baseDest == NULL) { |
| env->ReleasePrimitiveArrayCritical(attrs, src, 0); |
| return JNI_FALSE; |
| } |
| |
| jint* indices = NULL; |
| if (outIndices != NULL) { |
| if (env->GetArrayLength(outIndices) > NI) { |
| indices = (jint*)env->GetPrimitiveArrayCritical(outIndices, 0); |
| } |
| } |
| |
| ResTable::Theme* theme = reinterpret_cast<ResTable::Theme*>(themeToken); |
| bool result = ResolveAttrs(theme, defStyleAttr, defStyleRes, |
| (uint32_t*) srcValues, NSV, |
| (uint32_t*) src, NI, |
| (uint32_t*) baseDest, |
| (uint32_t*) indices); |
| |
| if (indices != NULL) { |
| env->ReleasePrimitiveArrayCritical(outIndices, indices, 0); |
| } |
| env->ReleasePrimitiveArrayCritical(outValues, baseDest, 0); |
| env->ReleasePrimitiveArrayCritical(inValues, srcValues, 0); |
| env->ReleasePrimitiveArrayCritical(attrs, src, 0); |
| return result ? JNI_TRUE : JNI_FALSE; |
| } |
| |
| static void android_content_AssetManager_applyStyle(JNIEnv* env, jobject, jlong themeToken, |
| jint defStyleAttr, jint defStyleRes, jlong xmlParserToken, jintArray attrsObj, jint length, |
| jlong outValuesAddress, jlong outIndicesAddress) { |
| jint* attrs = env->GetIntArrayElements(attrsObj, 0); |
| ResTable::Theme* theme = reinterpret_cast<ResTable::Theme*>(themeToken); |
| ResXMLParser* xmlParser = reinterpret_cast<ResXMLParser*>(xmlParserToken); |
| uint32_t* outValues = reinterpret_cast<uint32_t*>(static_cast<uintptr_t>(outValuesAddress)); |
| uint32_t* outIndices = reinterpret_cast<uint32_t*>(static_cast<uintptr_t>(outIndicesAddress)); |
| ApplyStyle(theme, xmlParser, defStyleAttr, defStyleRes, |
| reinterpret_cast<const uint32_t*>(attrs), length, outValues, outIndices); |
| env->ReleaseIntArrayElements(attrsObj, attrs, JNI_ABORT); |
| } |
| |
| static jboolean android_content_AssetManager_retrieveAttributes(JNIEnv* env, jobject clazz, |
| jlong xmlParserToken, |
| jintArray attrs, |
| jintArray outValues, |
| jintArray outIndices) |
| { |
| if (xmlParserToken == 0) { |
| jniThrowNullPointerException(env, "xmlParserToken"); |
| return JNI_FALSE; |
| } |
| if (attrs == NULL) { |
| jniThrowNullPointerException(env, "attrs"); |
| return JNI_FALSE; |
| } |
| if (outValues == NULL) { |
| jniThrowNullPointerException(env, "out values"); |
| return JNI_FALSE; |
| } |
| |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return JNI_FALSE; |
| } |
| const ResTable& res(am->getResources()); |
| ResXMLParser* xmlParser = (ResXMLParser*)xmlParserToken; |
| |
| const jsize NI = env->GetArrayLength(attrs); |
| const jsize NV = env->GetArrayLength(outValues); |
| if (NV < (NI*STYLE_NUM_ENTRIES)) { |
| jniThrowException(env, "java/lang/IndexOutOfBoundsException", "out values too small"); |
| return JNI_FALSE; |
| } |
| |
| jint* src = (jint*)env->GetPrimitiveArrayCritical(attrs, 0); |
| if (src == NULL) { |
| return JNI_FALSE; |
| } |
| |
| jint* baseDest = (jint*)env->GetPrimitiveArrayCritical(outValues, 0); |
| if (baseDest == NULL) { |
| env->ReleasePrimitiveArrayCritical(attrs, src, 0); |
| return JNI_FALSE; |
| } |
| |
| jint* indices = NULL; |
| if (outIndices != NULL) { |
| if (env->GetArrayLength(outIndices) > NI) { |
| indices = (jint*)env->GetPrimitiveArrayCritical(outIndices, 0); |
| } |
| } |
| |
| bool result = RetrieveAttributes(&res, xmlParser, |
| (uint32_t*) src, NI, |
| (uint32_t*) baseDest, |
| (uint32_t*) indices); |
| |
| if (indices != NULL) { |
| env->ReleasePrimitiveArrayCritical(outIndices, indices, 0); |
| } |
| env->ReleasePrimitiveArrayCritical(outValues, baseDest, 0); |
| env->ReleasePrimitiveArrayCritical(attrs, src, 0); |
| return result ? JNI_TRUE : JNI_FALSE; |
| } |
| |
| static jint android_content_AssetManager_getArraySize(JNIEnv* env, jobject clazz, |
| jint id) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| const ResTable& res(am->getResources()); |
| |
| res.lock(); |
| const ResTable::bag_entry* defStyleEnt = NULL; |
| ssize_t bagOff = res.getBagLocked(id, &defStyleEnt); |
| res.unlock(); |
| |
| return static_cast<jint>(bagOff); |
| } |
| |
| static jint android_content_AssetManager_retrieveArray(JNIEnv* env, jobject clazz, |
| jint id, |
| jintArray outValues) |
| { |
| if (outValues == NULL) { |
| jniThrowNullPointerException(env, "out values"); |
| return JNI_FALSE; |
| } |
| |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return JNI_FALSE; |
| } |
| const ResTable& res(am->getResources()); |
| ResTable_config config; |
| Res_value value; |
| ssize_t block; |
| |
| const jsize NV = env->GetArrayLength(outValues); |
| |
| jint* baseDest = (jint*)env->GetPrimitiveArrayCritical(outValues, 0); |
| jint* dest = baseDest; |
| if (dest == NULL) { |
| jniThrowException(env, "java/lang/OutOfMemoryError", ""); |
| return JNI_FALSE; |
| } |
| |
| // Now lock down the resource object and start pulling stuff from it. |
| res.lock(); |
| |
| const ResTable::bag_entry* arrayEnt = NULL; |
| uint32_t arrayTypeSetFlags = 0; |
| ssize_t bagOff = res.getBagLocked(id, &arrayEnt, &arrayTypeSetFlags); |
| const ResTable::bag_entry* endArrayEnt = arrayEnt + |
| (bagOff >= 0 ? bagOff : 0); |
| |
| int i = 0; |
| uint32_t typeSetFlags; |
| while (i < NV && arrayEnt < endArrayEnt) { |
| block = arrayEnt->stringBlock; |
| typeSetFlags = arrayTypeSetFlags; |
| config.density = 0; |
| value = arrayEnt->map.value; |
| |
| uint32_t resid = 0; |
| if (value.dataType != Res_value::TYPE_NULL) { |
| // Take care of resolving the found resource to its final value. |
| //printf("Resolving attribute reference\n"); |
| ssize_t newBlock = res.resolveReference(&value, block, &resid, |
| &typeSetFlags, &config); |
| if (kThrowOnBadId) { |
| if (newBlock == BAD_INDEX) { |
| jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!"); |
| return JNI_FALSE; |
| } |
| } |
| if (newBlock >= 0) block = newBlock; |
| } |
| |
| // Deal with the special @null value -- it turns back to TYPE_NULL. |
| if (value.dataType == Res_value::TYPE_REFERENCE && value.data == 0) { |
| value.dataType = Res_value::TYPE_NULL; |
| value.data = Res_value::DATA_NULL_UNDEFINED; |
| } |
| |
| //printf("Attribute 0x%08x: final type=0x%x, data=0x%08x\n", curIdent, value.dataType, value.data); |
| |
| // Write the final value back to Java. |
| dest[STYLE_TYPE] = value.dataType; |
| dest[STYLE_DATA] = value.data; |
| dest[STYLE_ASSET_COOKIE] = reinterpret_cast<jint>(res.getTableCookie(block)); |
| dest[STYLE_RESOURCE_ID] = resid; |
| dest[STYLE_CHANGING_CONFIGURATIONS] = typeSetFlags; |
| dest[STYLE_DENSITY] = config.density; |
| dest += STYLE_NUM_ENTRIES; |
| i+= STYLE_NUM_ENTRIES; |
| arrayEnt++; |
| } |
| |
| i /= STYLE_NUM_ENTRIES; |
| |
| res.unlock(); |
| |
| env->ReleasePrimitiveArrayCritical(outValues, baseDest, 0); |
| |
| return i; |
| } |
| |
| static jlong android_content_AssetManager_openXmlAssetNative(JNIEnv* env, jobject clazz, |
| jint cookie, |
| jstring fileName) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return 0; |
| } |
| |
| ALOGV("openXmlAsset in %p (Java object %p)\n", am, clazz); |
| |
| ScopedUtfChars fileName8(env, fileName); |
| if (fileName8.c_str() == NULL) { |
| return 0; |
| } |
| |
| int32_t assetCookie = static_cast<int32_t>(cookie); |
| Asset* a = assetCookie |
| ? am->openNonAsset(assetCookie, fileName8.c_str(), Asset::ACCESS_BUFFER) |
| : am->openNonAsset(fileName8.c_str(), Asset::ACCESS_BUFFER, &assetCookie); |
| |
| if (a == NULL) { |
| jniThrowException(env, "java/io/FileNotFoundException", fileName8.c_str()); |
| return 0; |
| } |
| |
| const DynamicRefTable* dynamicRefTable = |
| am->getResources().getDynamicRefTableForCookie(assetCookie); |
| ResXMLTree* block = new ResXMLTree(dynamicRefTable); |
| status_t err = block->setTo(a->getBuffer(true), a->getLength(), true); |
| a->close(); |
| delete a; |
| |
| if (err != NO_ERROR) { |
| jniThrowException(env, "java/io/FileNotFoundException", "Corrupt XML binary file"); |
| return 0; |
| } |
| |
| return reinterpret_cast<jlong>(block); |
| } |
| |
| static jintArray android_content_AssetManager_getArrayStringInfo(JNIEnv* env, jobject clazz, |
| jint arrayResId) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| const ResTable& res(am->getResources()); |
| |
| const ResTable::bag_entry* startOfBag; |
| const ssize_t N = res.lockBag(arrayResId, &startOfBag); |
| if (N < 0) { |
| return NULL; |
| } |
| |
| jintArray array = env->NewIntArray(N * 2); |
| if (array == NULL) { |
| res.unlockBag(startOfBag); |
| return NULL; |
| } |
| |
| Res_value value; |
| const ResTable::bag_entry* bag = startOfBag; |
| for (size_t i = 0, j = 0; ((ssize_t)i)<N; i++, bag++) { |
| jint stringIndex = -1; |
| jint stringBlock = 0; |
| value = bag->map.value; |
| |
| // Take care of resolving the found resource to its final value. |
| stringBlock = res.resolveReference(&value, bag->stringBlock, NULL); |
| if (value.dataType == Res_value::TYPE_STRING) { |
| stringIndex = value.data; |
| } |
| |
| if (kThrowOnBadId) { |
| if (stringBlock == BAD_INDEX) { |
| jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!"); |
| return array; |
| } |
| } |
| |
| //todo: It might be faster to allocate a C array to contain |
| // the blocknums and indices, put them in there and then |
| // do just one SetIntArrayRegion() |
| env->SetIntArrayRegion(array, j, 1, &stringBlock); |
| env->SetIntArrayRegion(array, j + 1, 1, &stringIndex); |
| j = j + 2; |
| } |
| res.unlockBag(startOfBag); |
| return array; |
| } |
| |
| static jobjectArray android_content_AssetManager_getArrayStringResource(JNIEnv* env, jobject clazz, |
| jint arrayResId) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| const ResTable& res(am->getResources()); |
| |
| const ResTable::bag_entry* startOfBag; |
| const ssize_t N = res.lockBag(arrayResId, &startOfBag); |
| if (N < 0) { |
| return NULL; |
| } |
| |
| jobjectArray array = env->NewObjectArray(N, g_stringClass, NULL); |
| if (env->ExceptionCheck()) { |
| res.unlockBag(startOfBag); |
| return NULL; |
| } |
| |
| Res_value value; |
| const ResTable::bag_entry* bag = startOfBag; |
| size_t strLen = 0; |
| for (size_t i=0; ((ssize_t)i)<N; i++, bag++) { |
| value = bag->map.value; |
| jstring str = NULL; |
| |
| // Take care of resolving the found resource to its final value. |
| ssize_t block = res.resolveReference(&value, bag->stringBlock, NULL); |
| if (kThrowOnBadId) { |
| if (block == BAD_INDEX) { |
| jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!"); |
| return array; |
| } |
| } |
| if (value.dataType == Res_value::TYPE_STRING) { |
| const ResStringPool* pool = res.getTableStringBlock(block); |
| const char* str8 = pool->string8At(value.data, &strLen); |
| if (str8 != NULL) { |
| str = env->NewStringUTF(str8); |
| } else { |
| const char16_t* str16 = pool->stringAt(value.data, &strLen); |
| str = env->NewString(reinterpret_cast<const jchar*>(str16), |
| strLen); |
| } |
| |
| // If one of our NewString{UTF} calls failed due to memory, an |
| // exception will be pending. |
| if (env->ExceptionCheck()) { |
| res.unlockBag(startOfBag); |
| return NULL; |
| } |
| |
| env->SetObjectArrayElement(array, i, str); |
| |
| // str is not NULL at that point, otherwise ExceptionCheck would have been true. |
| // If we have a large amount of strings in our array, we might |
| // overflow the local reference table of the VM. |
| env->DeleteLocalRef(str); |
| } |
| } |
| res.unlockBag(startOfBag); |
| return array; |
| } |
| |
| static jintArray android_content_AssetManager_getArrayIntResource(JNIEnv* env, jobject clazz, |
| jint arrayResId) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| const ResTable& res(am->getResources()); |
| |
| const ResTable::bag_entry* startOfBag; |
| const ssize_t N = res.lockBag(arrayResId, &startOfBag); |
| if (N < 0) { |
| return NULL; |
| } |
| |
| jintArray array = env->NewIntArray(N); |
| if (array == NULL) { |
| res.unlockBag(startOfBag); |
| return NULL; |
| } |
| |
| Res_value value; |
| const ResTable::bag_entry* bag = startOfBag; |
| for (size_t i=0; ((ssize_t)i)<N; i++, bag++) { |
| value = bag->map.value; |
| |
| // Take care of resolving the found resource to its final value. |
| ssize_t block = res.resolveReference(&value, bag->stringBlock, NULL); |
| if (kThrowOnBadId) { |
| if (block == BAD_INDEX) { |
| jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!"); |
| return array; |
| } |
| } |
| if (value.dataType >= Res_value::TYPE_FIRST_INT |
| && value.dataType <= Res_value::TYPE_LAST_INT) { |
| int intVal = value.data; |
| env->SetIntArrayRegion(array, i, 1, &intVal); |
| } |
| } |
| res.unlockBag(startOfBag); |
| return array; |
| } |
| |
| static jintArray android_content_AssetManager_getStyleAttributes(JNIEnv* env, jobject clazz, |
| jint styleId) |
| { |
| AssetManager* am = assetManagerForJavaObject(env, clazz); |
| if (am == NULL) { |
| return NULL; |
| } |
| const ResTable& res(am->getResources()); |
| |
| const ResTable::bag_entry* startOfBag; |
| const ssize_t N = res.lockBag(styleId, &startOfBag); |
| if (N < 0) { |
| return NULL; |
| } |
| |
| jintArray array = env->NewIntArray(N); |
| if (array == NULL) { |
| res.unlockBag(startOfBag); |
| return NULL; |
| } |
| |
| const ResTable::bag_entry* bag = startOfBag; |
| for (size_t i=0; ((ssize_t)i)<N; i++, bag++) { |
| int resourceId = bag->map.name.ident; |
| env->SetIntArrayRegion(array, i, 1, &resourceId); |
| } |
| res.unlockBag(startOfBag); |
| return array; |
| } |
| |
| static void android_content_AssetManager_init(JNIEnv* env, jobject clazz, jboolean isSystem) |
| { |
| if (isSystem) { |
| verifySystemIdmaps(); |
| } |
| AssetManager* am = new AssetManager(); |
| if (am == NULL) { |
| jniThrowException(env, "java/lang/OutOfMemoryError", ""); |
| return; |
| } |
| |
| am->addDefaultAssets(); |
| |
| ALOGV("Created AssetManager %p for Java object %p\n", am, clazz); |
| env->SetLongField(clazz, gAssetManagerOffsets.mObject, reinterpret_cast<jlong>(am)); |
| } |
| |
| static void android_content_AssetManager_destroy(JNIEnv* env, jobject clazz) |
| { |
| AssetManager* am = (AssetManager*) |
| (env->GetLongField(clazz, gAssetManagerOffsets.mObject)); |
| ALOGV("Destroying AssetManager %p for Java object %p\n", am, clazz); |
| if (am != NULL) { |
| delete am; |
| env->SetLongField(clazz, gAssetManagerOffsets.mObject, 0); |
| } |
| } |
| |
| static jint android_content_AssetManager_getGlobalAssetCount(JNIEnv* env, jobject clazz) |
| { |
| return Asset::getGlobalCount(); |
| } |
| |
| static jobject android_content_AssetManager_getAssetAllocations(JNIEnv* env, jobject clazz) |
| { |
| String8 alloc = Asset::getAssetAllocations(); |
| if (alloc.length() <= 0) { |
| return NULL; |
| } |
| |
| jstring str = env->NewStringUTF(alloc.string()); |
| return str; |
| } |
| |
| static jint android_content_AssetManager_getGlobalAssetManagerCount(JNIEnv* env, jobject clazz) |
| { |
| return AssetManager::getGlobalCount(); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| /* |
| * JNI registration. |
| */ |
| static const JNINativeMethod gAssetManagerMethods[] = { |
| /* name, signature, funcPtr */ |
| |
| // Basic asset stuff. |
| { "openAsset", "(Ljava/lang/String;I)J", |
| (void*) android_content_AssetManager_openAsset }, |
| { "openAssetFd", "(Ljava/lang/String;[J)Landroid/os/ParcelFileDescriptor;", |
| (void*) android_content_AssetManager_openAssetFd }, |
| { "openNonAssetNative", "(ILjava/lang/String;I)J", |
| (void*) android_content_AssetManager_openNonAssetNative }, |
| { "openNonAssetFdNative", "(ILjava/lang/String;[J)Landroid/os/ParcelFileDescriptor;", |
| (void*) android_content_AssetManager_openNonAssetFdNative }, |
| { "list", "(Ljava/lang/String;)[Ljava/lang/String;", |
| (void*) android_content_AssetManager_list }, |
| { "destroyAsset", "(J)V", |
| (void*) android_content_AssetManager_destroyAsset }, |
| { "readAssetChar", "(J)I", |
| (void*) android_content_AssetManager_readAssetChar }, |
| { "readAsset", "(J[BII)I", |
| (void*) android_content_AssetManager_readAsset }, |
| { "seekAsset", "(JJI)J", |
| (void*) android_content_AssetManager_seekAsset }, |
| { "getAssetLength", "(J)J", |
| (void*) android_content_AssetManager_getAssetLength }, |
| { "getAssetRemainingLength", "(J)J", |
| (void*) android_content_AssetManager_getAssetRemainingLength }, |
| { "addAssetPathNative", "(Ljava/lang/String;Z)I", |
| (void*) android_content_AssetManager_addAssetPath }, |
| { "addOverlayPathNative", "(Ljava/lang/String;)I", |
| (void*) android_content_AssetManager_addOverlayPath }, |
| { "isUpToDate", "()Z", |
| (void*) android_content_AssetManager_isUpToDate }, |
| |
| // Resources. |
| { "getLocales", "()[Ljava/lang/String;", |
| (void*) android_content_AssetManager_getLocales }, |
| { "getNonSystemLocales", "()[Ljava/lang/String;", |
| (void*) android_content_AssetManager_getNonSystemLocales }, |
| { "getSizeConfigurations", "()[Landroid/content/res/Configuration;", |
| (void*) android_content_AssetManager_getSizeConfigurations }, |
| { "setConfiguration", "(IILjava/lang/String;IIIIIIIIIIIIIII)V", |
| (void*) android_content_AssetManager_setConfiguration }, |
| { "getResourceIdentifier","(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)I", |
| (void*) android_content_AssetManager_getResourceIdentifier }, |
| { "getResourceName","(I)Ljava/lang/String;", |
| (void*) android_content_AssetManager_getResourceName }, |
| { "getResourcePackageName","(I)Ljava/lang/String;", |
| (void*) android_content_AssetManager_getResourcePackageName }, |
| { "getResourceTypeName","(I)Ljava/lang/String;", |
| (void*) android_content_AssetManager_getResourceTypeName }, |
| { "getResourceEntryName","(I)Ljava/lang/String;", |
| (void*) android_content_AssetManager_getResourceEntryName }, |
| { "loadResourceValue","(ISLandroid/util/TypedValue;Z)I", |
| (void*) android_content_AssetManager_loadResourceValue }, |
| { "loadResourceBagValue","(IILandroid/util/TypedValue;Z)I", |
| (void*) android_content_AssetManager_loadResourceBagValue }, |
| { "getStringBlockCount","()I", |
| (void*) android_content_AssetManager_getStringBlockCount }, |
| { "getNativeStringBlock","(I)J", |
| (void*) android_content_AssetManager_getNativeStringBlock }, |
| { "getCookieName","(I)Ljava/lang/String;", |
| (void*) android_content_AssetManager_getCookieName }, |
| { "getAssignedPackageIdentifiers","()Landroid/util/SparseArray;", |
| (void*) android_content_AssetManager_getAssignedPackageIdentifiers }, |
| |
| // Themes. |
| { "newTheme", "()J", |
| (void*) android_content_AssetManager_newTheme }, |
| { "deleteTheme", "(J)V", |
| (void*) android_content_AssetManager_deleteTheme }, |
| { "applyThemeStyle", "(JIZ)V", |
| (void*) android_content_AssetManager_applyThemeStyle }, |
| { "copyTheme", "(JJ)V", |
| (void*) android_content_AssetManager_copyTheme }, |
| { "clearTheme", "(J)V", |
| (void*) android_content_AssetManager_clearTheme }, |
| { "loadThemeAttributeValue", "(JILandroid/util/TypedValue;Z)I", |
| (void*) android_content_AssetManager_loadThemeAttributeValue }, |
| { "getThemeChangingConfigurations", "(J)I", |
| (void*) android_content_AssetManager_getThemeChangingConfigurations }, |
| { "dumpTheme", "(JILjava/lang/String;Ljava/lang/String;)V", |
| (void*) android_content_AssetManager_dumpTheme }, |
| { "applyStyle","(JIIJ[IIJJ)V", |
| (void*) android_content_AssetManager_applyStyle }, |
| { "resolveAttrs","(JII[I[I[I[I)Z", |
| (void*) android_content_AssetManager_resolveAttrs }, |
| { "retrieveAttributes","(J[I[I[I)Z", |
| (void*) android_content_AssetManager_retrieveAttributes }, |
| { "getArraySize","(I)I", |
| (void*) android_content_AssetManager_getArraySize }, |
| { "retrieveArray","(I[I)I", |
| (void*) android_content_AssetManager_retrieveArray }, |
| |
| // XML files. |
| { "openXmlAssetNative", "(ILjava/lang/String;)J", |
| (void*) android_content_AssetManager_openXmlAssetNative }, |
| |
| // Arrays. |
| { "getArrayStringResource","(I)[Ljava/lang/String;", |
| (void*) android_content_AssetManager_getArrayStringResource }, |
| { "getArrayStringInfo","(I)[I", |
| (void*) android_content_AssetManager_getArrayStringInfo }, |
| { "getArrayIntResource","(I)[I", |
| (void*) android_content_AssetManager_getArrayIntResource }, |
| { "getStyleAttributes","(I)[I", |
| (void*) android_content_AssetManager_getStyleAttributes }, |
| |
| // Bookkeeping. |
| { "init", "(Z)V", |
| (void*) android_content_AssetManager_init }, |
| { "destroy", "()V", |
| (void*) android_content_AssetManager_destroy }, |
| { "getGlobalAssetCount", "()I", |
| (void*) android_content_AssetManager_getGlobalAssetCount }, |
| { "getAssetAllocations", "()Ljava/lang/String;", |
| (void*) android_content_AssetManager_getAssetAllocations }, |
| { "getGlobalAssetManagerCount", "()I", |
| (void*) android_content_AssetManager_getGlobalAssetManagerCount }, |
| }; |
| |
| int register_android_content_AssetManager(JNIEnv* env) |
| { |
| jclass typedValue = FindClassOrDie(env, "android/util/TypedValue"); |
| gTypedValueOffsets.mType = GetFieldIDOrDie(env, typedValue, "type", "I"); |
| gTypedValueOffsets.mData = GetFieldIDOrDie(env, typedValue, "data", "I"); |
| gTypedValueOffsets.mString = GetFieldIDOrDie(env, typedValue, "string", |
| "Ljava/lang/CharSequence;"); |
| gTypedValueOffsets.mAssetCookie = GetFieldIDOrDie(env, typedValue, "assetCookie", "I"); |
| gTypedValueOffsets.mResourceId = GetFieldIDOrDie(env, typedValue, "resourceId", "I"); |
| gTypedValueOffsets.mChangingConfigurations = GetFieldIDOrDie(env, typedValue, |
| "changingConfigurations", "I"); |
| gTypedValueOffsets.mDensity = GetFieldIDOrDie(env, typedValue, "density", "I"); |
| |
| jclass assetFd = FindClassOrDie(env, "android/content/res/AssetFileDescriptor"); |
| gAssetFileDescriptorOffsets.mFd = GetFieldIDOrDie(env, assetFd, "mFd", |
| "Landroid/os/ParcelFileDescriptor;"); |
| gAssetFileDescriptorOffsets.mStartOffset = GetFieldIDOrDie(env, assetFd, "mStartOffset", "J"); |
| gAssetFileDescriptorOffsets.mLength = GetFieldIDOrDie(env, assetFd, "mLength", "J"); |
| |
| jclass assetManager = FindClassOrDie(env, "android/content/res/AssetManager"); |
| gAssetManagerOffsets.mObject = GetFieldIDOrDie(env, assetManager, "mObject", "J"); |
| |
| jclass stringClass = FindClassOrDie(env, "java/lang/String"); |
| g_stringClass = MakeGlobalRefOrDie(env, stringClass); |
| |
| jclass sparseArrayClass = FindClassOrDie(env, "android/util/SparseArray"); |
| gSparseArrayOffsets.classObject = MakeGlobalRefOrDie(env, sparseArrayClass); |
| gSparseArrayOffsets.constructor = GetMethodIDOrDie(env, gSparseArrayOffsets.classObject, |
| "<init>", "()V"); |
| gSparseArrayOffsets.put = GetMethodIDOrDie(env, gSparseArrayOffsets.classObject, "put", |
| "(ILjava/lang/Object;)V"); |
| |
| jclass configurationClass = FindClassOrDie(env, "android/content/res/Configuration"); |
| gConfigurationOffsets.classObject = MakeGlobalRefOrDie(env, configurationClass); |
| gConfigurationOffsets.constructor = GetMethodIDOrDie(env, configurationClass, |
| "<init>", "()V"); |
| gConfigurationOffsets.mSmallestScreenWidthDpOffset = GetFieldIDOrDie(env, configurationClass, |
| "smallestScreenWidthDp", "I"); |
| gConfigurationOffsets.mScreenWidthDpOffset = GetFieldIDOrDie(env, configurationClass, |
| "screenWidthDp", "I"); |
| gConfigurationOffsets.mScreenHeightDpOffset = GetFieldIDOrDie(env, configurationClass, |
| "screenHeightDp", "I"); |
| |
| return RegisterMethodsOrDie(env, "android/content/res/AssetManager", gAssetManagerMethods, |
| NELEM(gAssetManagerMethods)); |
| } |
| |
| }; // namespace android |