M7350/base/core/jni/android_util_AssetManager.cpp
2024-09-09 08:52:07 +00:00

1814 lines
62 KiB
C++

/* //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"
#define DEBUG_STYLES(x) //x
#define THROW_ON_BAD_ID 0
#include <android_runtime/android_util_AssetManager.h>
#include "jni.h"
#include "JNIHelp.h"
#include "android_util_Binder.h"
#include <utils/misc.h>
#include <android_runtime/AndroidRuntime.h>
#include <utils/Log.h>
#include <utils/Asset.h>
#include <utils/AssetManager.h>
#include <utils/ResourceTypes.h>
#include <stdio.h>
namespace android {
// ----------------------------------------------------------------------------
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;
jclass g_stringClass = NULL;
// ----------------------------------------------------------------------------
enum {
STYLE_NUM_ENTRIES = 6,
STYLE_TYPE = 0,
STYLE_DATA = 1,
STYLE_ASSET_COOKIE = 2,
STYLE_RESOURCE_ID = 3,
STYLE_CHANGING_CONFIGURATIONS = 4,
STYLE_DENSITY = 5
};
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,
(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 guy is exported to other jni routines
AssetManager* assetManagerForJavaObject(JNIEnv* env, jobject obj)
{
AssetManager* am = (AssetManager*)env->GetIntField(obj, gAssetManagerOffsets.mObject);
if (am != NULL) {
return am;
}
jniThrowException(env, "java/lang/IllegalStateException", "AssetManager has been finalized!");
return NULL;
}
static jint android_content_AssetManager_openAsset(JNIEnv* env, jobject clazz,
jstring fileName, jint mode)
{
AssetManager* am = assetManagerForJavaObject(env, clazz);
if (am == NULL) {
return 0;
}
LOGV("openAsset in %p (Java object %p)\n", am, clazz);
if (fileName == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "fileName");
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;
}
const char* fileName8 = env->GetStringUTFChars(fileName, NULL);
Asset* a = am->open(fileName8, (Asset::AccessMode)mode);
if (a == NULL) {
jniThrowException(env, "java/io/FileNotFoundException", fileName8);
env->ReleaseStringUTFChars(fileName, fileName8);
return -1;
}
env->ReleaseStringUTFChars(fileName, fileName8);
//printf("Created Asset Stream: %p\n", a);
return (jint)a;
}
static jobject returnParcelFileDescriptor(JNIEnv* env, Asset* a, jlongArray outOffsets)
{
off_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 = newFileDescriptor(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;
}
LOGV("openAssetFd in %p (Java object %p)\n", am, clazz);
if (fileName == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "fileName");
return NULL;
}
const char* fileName8 = env->GetStringUTFChars(fileName, NULL);
Asset* a = am->open(fileName8, Asset::ACCESS_RANDOM);
if (a == NULL) {
jniThrowException(env, "java/io/FileNotFoundException", fileName8);
env->ReleaseStringUTFChars(fileName, fileName8);
return NULL;
}
env->ReleaseStringUTFChars(fileName, fileName8);
//printf("Created Asset Stream: %p\n", a);
return returnParcelFileDescriptor(env, a, outOffsets);
}
static jint android_content_AssetManager_openNonAssetNative(JNIEnv* env, jobject clazz,
jint cookie,
jstring fileName,
jint mode)
{
AssetManager* am = assetManagerForJavaObject(env, clazz);
if (am == NULL) {
return 0;
}
LOGV("openNonAssetNative in %p (Java object %p)\n", am, clazz);
if (fileName == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "fileName");
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;
}
const char* fileName8 = env->GetStringUTFChars(fileName, NULL);
Asset* a = cookie
? am->openNonAsset((void*)cookie, fileName8, (Asset::AccessMode)mode)
: am->openNonAsset(fileName8, (Asset::AccessMode)mode);
if (a == NULL) {
jniThrowException(env, "java/io/FileNotFoundException", fileName8);
env->ReleaseStringUTFChars(fileName, fileName8);
return -1;
}
env->ReleaseStringUTFChars(fileName, fileName8);
//printf("Created Asset Stream: %p\n", a);
return (jint)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;
}
LOGV("openNonAssetFd in %p (Java object %p)\n", am, clazz);
if (fileName == NULL ) {
jniThrowException(env, "java/lang/NullPointerException", "fileName");
return NULL;
}
const char* fileName8 = env->GetStringUTFChars(fileName, NULL);
Asset* a = cookie
? am->openNonAsset((void*)cookie, fileName8, Asset::ACCESS_RANDOM)
: am->openNonAsset(fileName8, Asset::ACCESS_RANDOM);
if (a == NULL) {
jniThrowException(env, "java/io/FileNotFoundException", fileName8);
env->ReleaseStringUTFChars(fileName, fileName8);
return NULL;
}
env->ReleaseStringUTFChars(fileName, fileName8);
//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;
}
if (fileName == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "fileName");
return NULL;
}
const char* fileName8 = env->GetStringUTFChars(fileName, NULL);
AssetDir* dir = am->openDir(fileName8);
env->ReleaseStringUTFChars(fileName, fileName8);
if (dir == NULL) {
jniThrowException(env, "java/io/FileNotFoundException", fileName8);
return NULL;
}
jclass cls = env->FindClass("java/lang/String");
LOG_FATAL_IF(cls == NULL, "No string class?!?");
if (cls == NULL) {
delete dir;
return NULL;
}
size_t N = dir->getFileCount();
jobjectArray array = env->NewObjectArray(dir->getFileCount(),
cls, 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,
jint asset)
{
Asset* a = (Asset*)asset;
//printf("Destroying Asset Stream: %p\n", a);
if (a == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "asset");
return;
}
delete a;
}
static jint android_content_AssetManager_readAssetChar(JNIEnv* env, jobject clazz,
jint asset)
{
Asset* a = (Asset*)asset;
if (a == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "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,
jint asset, jbyteArray bArray,
jint off, jint len)
{
Asset* a = (Asset*)asset;
if (a == NULL || bArray == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "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 res;
if (res < 0) {
jniThrowException(env, "java/io/IOException", "");
}
return -1;
}
static jlong android_content_AssetManager_seekAsset(JNIEnv* env, jobject clazz,
jint asset,
jlong offset, jint whence)
{
Asset* a = (Asset*)asset;
if (a == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "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,
jint asset)
{
Asset* a = (Asset*)asset;
if (a == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "asset");
return -1;
}
return a->getLength();
}
static jlong android_content_AssetManager_getAssetRemainingLength(JNIEnv* env, jobject clazz,
jint asset)
{
Asset* a = (Asset*)asset;
if (a == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "asset");
return -1;
}
return a->getRemainingLength();
}
static jint android_content_AssetManager_addAssetPath(JNIEnv* env, jobject clazz,
jstring path)
{
if (path == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "path");
return JNI_FALSE;
}
AssetManager* am = assetManagerForJavaObject(env, clazz);
if (am == NULL) {
return JNI_FALSE;
}
const char* path8 = env->GetStringUTFChars(path, NULL);
void* cookie;
bool res = am->addAssetPath(String8(path8), &cookie);
env->ReleaseStringUTFChars(path, path8);
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 void android_content_AssetManager_setLocale(JNIEnv* env, jobject clazz,
jstring locale)
{
if (locale == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "locale");
return;
}
const char* locale8 = env->GetStringUTFChars(locale, NULL);
AssetManager* am = assetManagerForJavaObject(env, clazz);
if (am == NULL) {
return;
}
am->setLocale(locale8);
env->ReleaseStringUTFChars(locale, locale8);
}
static jobjectArray android_content_AssetManager_getLocales(JNIEnv* env, jobject clazz)
{
Vector<String8> locales;
AssetManager* am = assetManagerForJavaObject(env, clazz);
if (am == NULL) {
return NULL;
}
am->getLocales(&locales);
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 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 screenLayout, jint uiMode,
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;
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.screenLayout = (uint8_t)screenLayout;
config.uiMode = (uint8_t)uiMode;
config.sdkVersion = (uint16_t)sdkVersion;
config.minorVersion = 0;
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)
{
if (name == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "name");
return 0;
}
AssetManager* am = assetManagerForJavaObject(env, clazz);
if (am == NULL) {
return 0;
}
const char16_t* name16 = env->GetStringChars(name, NULL);
jsize nameLen = env->GetStringLength(name);
const char16_t* defType16 = defType
? env->GetStringChars(defType, NULL) : NULL;
jsize defTypeLen = defType
? env->GetStringLength(defType) : 0;
const char16_t* defPackage16 = defPackage
? env->GetStringChars(defPackage, NULL) : NULL;
jsize defPackageLen = defPackage
? env->GetStringLength(defPackage) : 0;
jint ident = am->getResources().identifierForName(
name16, nameLen, defType16, defTypeLen, defPackage16, defPackageLen);
if (defPackage16) {
env->ReleaseStringChars(defPackage, defPackage16);
}
if (defType16) {
env->ReleaseStringChars(defType, defType16);
}
env->ReleaseStringChars(name, name16);
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, &name)) {
return NULL;
}
String16 str;
if (name.package != NULL) {
str.setTo(name.package, name.packageLen);
}
if (name.type != NULL) {
if (str.size() > 0) {
char16_t div = ':';
str.append(&div, 1);
}
str.append(name.type, name.typeLen);
}
if (name.name != NULL) {
if (str.size() > 0) {
char16_t div = '/';
str.append(&div, 1);
}
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, &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, &name)) {
return NULL;
}
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, &name)) {
return NULL;
}
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,
jobject outValue,
jboolean resolve)
{
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, &typeSpecFlags, &config);
#if THROW_ON_BAD_ID
if (block == BAD_INDEX) {
jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!");
return 0;
}
#endif
uint32_t ref = ident;
if (resolve) {
block = res.resolveReference(&value, block, &ref);
#if THROW_ON_BAD_ID
if (block == BAD_INDEX) {
jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!");
return 0;
}
#endif
}
return block >= 0 ? copyValue(env, outValue, &res, value, ref, block, typeSpecFlags, &config) : 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 block;
}
uint32_t ref = ident;
if (resolve) {
block = res.resolveReference(&value, block, &ref, &typeSpecFlags);
#if THROW_ON_BAD_ID
if (block == BAD_INDEX) {
jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!");
return 0;
}
#endif
}
return block >= 0 ? copyValue(env, outValue, &res, value, ref, block, typeSpecFlags) : 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 jint android_content_AssetManager_getNativeStringBlock(JNIEnv* env, jobject clazz,
jint block)
{
AssetManager* am = assetManagerForJavaObject(env, clazz);
if (am == NULL) {
return 0;
}
return (jint)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((void*)cookie));
if (name.length() == 0) {
jniThrowException(env, "java/lang/IndexOutOfBoundsException", "Empty cookie name");
return NULL;
}
jstring str = env->NewStringUTF(name.string());
return str;
}
static jint android_content_AssetManager_newTheme(JNIEnv* env, jobject clazz)
{
AssetManager* am = assetManagerForJavaObject(env, clazz);
if (am == NULL) {
return 0;
}
return (jint)(new ResTable::Theme(am->getResources()));
}
static void android_content_AssetManager_deleteTheme(JNIEnv* env, jobject clazz,
jint themeInt)
{
ResTable::Theme* theme = (ResTable::Theme*)themeInt;
delete theme;
}
static void android_content_AssetManager_applyThemeStyle(JNIEnv* env, jobject clazz,
jint themeInt,
jint styleRes,
jboolean force)
{
ResTable::Theme* theme = (ResTable::Theme*)themeInt;
theme->applyStyle(styleRes, force ? true : false);
}
static void android_content_AssetManager_copyTheme(JNIEnv* env, jobject clazz,
jint destInt, jint srcInt)
{
ResTable::Theme* dest = (ResTable::Theme*)destInt;
ResTable::Theme* src = (ResTable::Theme*)srcInt;
dest->setTo(*src);
}
static jint android_content_AssetManager_loadThemeAttributeValue(
JNIEnv* env, jobject clazz, jint themeInt, jint ident, jobject outValue, jboolean resolve)
{
ResTable::Theme* theme = (ResTable::Theme*)themeInt;
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 THROW_ON_BAD_ID
if (block == BAD_INDEX) {
jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!");
return 0;
}
#endif
}
return block >= 0 ? copyValue(env, outValue, &res, value, ref, block, typeSpecFlags) : block;
}
static void android_content_AssetManager_dumpTheme(JNIEnv* env, jobject clazz,
jint themeInt, jint pri,
jstring tag, jstring prefix)
{
ResTable::Theme* theme = (ResTable::Theme*)themeInt;
const ResTable& res(theme->getResTable());
if (tag == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "tag");
return;
}
const char* tag8 = env->GetStringUTFChars(tag, NULL);
const char* prefix8 = NULL;
if (prefix != NULL) {
prefix8 = env->GetStringUTFChars(prefix, NULL);
}
// XXX Need to use params.
theme->dumpToLog();
if (prefix8 != NULL) {
env->ReleaseStringUTFChars(prefix, prefix8);
}
env->ReleaseStringUTFChars(tag, tag8);
}
static jboolean android_content_AssetManager_applyStyle(JNIEnv* env, jobject clazz,
jint themeToken,
jint defStyleAttr,
jint defStyleRes,
jint xmlParserToken,
jintArray attrs,
jintArray outValues,
jintArray outIndices)
{
if (themeToken == 0) {
jniThrowException(env, "java/lang/NullPointerException", "theme token");
return JNI_FALSE;
}
if (attrs == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "attrs");
return JNI_FALSE;
}
if (outValues == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "out values");
return JNI_FALSE;
}
DEBUG_STYLES(LOGI("APPLY STYLE: theme=0x%x defStyleAttr=0x%x defStyleRes=0x%x xml=0x%x",
themeToken, defStyleAttr, defStyleRes, xmlParserToken));
ResTable::Theme* theme = (ResTable::Theme*)themeToken;
const ResTable& res = theme->getResTable();
ResXMLParser* xmlParser = (ResXMLParser*)xmlParserToken;
ResTable_config config;
Res_value value;
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) {
jniThrowException(env, "java/lang/OutOfMemoryError", "");
return JNI_FALSE;
}
jint* baseDest = (jint*)env->GetPrimitiveArrayCritical(outValues, 0);
jint* dest = baseDest;
if (dest == NULL) {
env->ReleasePrimitiveArrayCritical(attrs, src, 0);
jniThrowException(env, "java/lang/OutOfMemoryError", "");
return JNI_FALSE;
}
jint* indices = NULL;
int indicesIdx = 0;
if (outIndices != NULL) {
if (env->GetArrayLength(outIndices) > NI) {
indices = (jint*)env->GetPrimitiveArrayCritical(outIndices, 0);
}
}
// Load default style from attribute, if specified...
uint32_t defStyleBagTypeSetFlags = 0;
if (defStyleAttr != 0) {
Res_value value;
if (theme->getAttribute(defStyleAttr, &value, &defStyleBagTypeSetFlags) >= 0) {
if (value.dataType == Res_value::TYPE_REFERENCE) {
defStyleRes = value.data;
}
}
}
// Retrieve the style class associated with the current XML tag.
int style = 0;
uint32_t styleBagTypeSetFlags = 0;
if (xmlParser != NULL) {
ssize_t idx = xmlParser->indexOfStyle();
if (idx >= 0 && xmlParser->getAttributeValue(idx, &value) >= 0) {
if (value.dataType == value.TYPE_ATTRIBUTE) {
if (theme->getAttribute(value.data, &value, &styleBagTypeSetFlags) < 0) {
value.dataType = Res_value::TYPE_NULL;
}
}
if (value.dataType == value.TYPE_REFERENCE) {
style = value.data;
}
}
}
// Now lock down the resource object and start pulling stuff from it.
res.lock();
// Retrieve the default style bag, if requested.
const ResTable::bag_entry* defStyleEnt = NULL;
uint32_t defStyleTypeSetFlags = 0;
ssize_t bagOff = defStyleRes != 0
? res.getBagLocked(defStyleRes, &defStyleEnt, &defStyleTypeSetFlags) : -1;
defStyleTypeSetFlags |= defStyleBagTypeSetFlags;
const ResTable::bag_entry* endDefStyleEnt = defStyleEnt +
(bagOff >= 0 ? bagOff : 0);
// Retrieve the style class bag, if requested.
const ResTable::bag_entry* styleEnt = NULL;
uint32_t styleTypeSetFlags = 0;
bagOff = style != 0 ? res.getBagLocked(style, &styleEnt, &styleTypeSetFlags) : -1;
styleTypeSetFlags |= styleBagTypeSetFlags;
const ResTable::bag_entry* endStyleEnt = styleEnt +
(bagOff >= 0 ? bagOff : 0);
// Retrieve the XML attributes, if requested.
const jsize NX = xmlParser ? xmlParser->getAttributeCount() : 0;
jsize ix=0;
uint32_t curXmlAttr = xmlParser ? xmlParser->getAttributeNameResID(ix) : 0;
static const ssize_t kXmlBlock = 0x10000000;
// Now iterate through all of the attributes that the client has requested,
// filling in each with whatever data we can find.
ssize_t block = 0;
uint32_t typeSetFlags;
for (jsize ii=0; ii<NI; ii++) {
const uint32_t curIdent = (uint32_t)src[ii];
DEBUG_STYLES(LOGI("RETRIEVING ATTR 0x%08x...", curIdent));
// Try to find a value for this attribute... we prioritize values
// coming from, first XML attributes, then XML style, then default
// style, and finally the theme.
value.dataType = Res_value::TYPE_NULL;
value.data = 0;
typeSetFlags = 0;
config.density = 0;
// Skip through XML attributes until the end or the next possible match.
while (ix < NX && curIdent > curXmlAttr) {
ix++;
curXmlAttr = xmlParser->getAttributeNameResID(ix);
}
// Retrieve the current XML attribute if it matches, and step to next.
if (ix < NX && curIdent == curXmlAttr) {
block = kXmlBlock;
xmlParser->getAttributeValue(ix, &value);
ix++;
curXmlAttr = xmlParser->getAttributeNameResID(ix);
DEBUG_STYLES(LOGI("-> From XML: type=0x%x, data=0x%08x",
value.dataType, value.data));
}
// Skip through the style values until the end or the next possible match.
while (styleEnt < endStyleEnt && curIdent > styleEnt->map.name.ident) {
styleEnt++;
}
// Retrieve the current style attribute if it matches, and step to next.
if (styleEnt < endStyleEnt && curIdent == styleEnt->map.name.ident) {
if (value.dataType == Res_value::TYPE_NULL) {
block = styleEnt->stringBlock;
typeSetFlags = styleTypeSetFlags;
value = styleEnt->map.value;
DEBUG_STYLES(LOGI("-> From style: type=0x%x, data=0x%08x",
value.dataType, value.data));
}
styleEnt++;
}
// Skip through the default style values until the end or the next possible match.
while (defStyleEnt < endDefStyleEnt && curIdent > defStyleEnt->map.name.ident) {
defStyleEnt++;
}
// Retrieve the current default style attribute if it matches, and step to next.
if (defStyleEnt < endDefStyleEnt && curIdent == defStyleEnt->map.name.ident) {
if (value.dataType == Res_value::TYPE_NULL) {
block = defStyleEnt->stringBlock;
typeSetFlags = defStyleTypeSetFlags;
value = defStyleEnt->map.value;
DEBUG_STYLES(LOGI("-> From def style: type=0x%x, data=0x%08x",
value.dataType, value.data));
}
defStyleEnt++;
}
uint32_t resid = 0;
if (value.dataType != Res_value::TYPE_NULL) {
// Take care of resolving the found resource to its final value.
ssize_t newBlock = theme->resolveAttributeReference(&value, block,
&resid, &typeSetFlags, &config);
if (newBlock >= 0) block = newBlock;
DEBUG_STYLES(LOGI("-> Resolved attr: type=0x%x, data=0x%08x",
value.dataType, value.data));
} else {
// If we still don't have a value for this attribute, try to find
// it in the theme!
ssize_t newBlock = theme->getAttribute(curIdent, &value, &typeSetFlags);
if (newBlock >= 0) {
DEBUG_STYLES(LOGI("-> From theme: type=0x%x, data=0x%08x",
value.dataType, value.data));
newBlock = res.resolveReference(&value, block, &resid,
&typeSetFlags, &config);
#if THROW_ON_BAD_ID
if (newBlock == BAD_INDEX) {
jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!");
return JNI_FALSE;
}
#endif
if (newBlock >= 0) block = newBlock;
DEBUG_STYLES(LOGI("-> Resolved theme: type=0x%x, data=0x%08x",
value.dataType, value.data));
}
}
// Deal with the special @null value -- it turns back to TYPE_NULL.
if (value.dataType == Res_value::TYPE_REFERENCE && value.data == 0) {
DEBUG_STYLES(LOGI("-> Setting to @null!"));
value.dataType = Res_value::TYPE_NULL;
}
DEBUG_STYLES(LOGI("Attribute 0x%08x: type=0x%x, data=0x%08x",
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] =
block != kXmlBlock ? (jint)res.getTableCookie(block) : (jint)-1;
dest[STYLE_RESOURCE_ID] = resid;
dest[STYLE_CHANGING_CONFIGURATIONS] = typeSetFlags;
dest[STYLE_DENSITY] = config.density;
if (indices != NULL && value.dataType != Res_value::TYPE_NULL) {
indicesIdx++;
indices[indicesIdx] = ii;
}
dest += STYLE_NUM_ENTRIES;
}
res.unlock();
if (indices != NULL) {
indices[0] = indicesIdx;
env->ReleasePrimitiveArrayCritical(outIndices, indices, 0);
}
env->ReleasePrimitiveArrayCritical(outValues, baseDest, 0);
env->ReleasePrimitiveArrayCritical(attrs, src, 0);
return JNI_TRUE;
}
static jboolean android_content_AssetManager_retrieveAttributes(JNIEnv* env, jobject clazz,
jint xmlParserToken,
jintArray attrs,
jintArray outValues,
jintArray outIndices)
{
if (xmlParserToken == 0) {
jniThrowException(env, "java/lang/NullPointerException", "xmlParserToken");
return JNI_FALSE;
}
if (attrs == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "attrs");
return JNI_FALSE;
}
if (outValues == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "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;
ResTable_config config;
Res_value value;
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) {
jniThrowException(env, "java/lang/OutOfMemoryError", "");
return JNI_FALSE;
}
jint* baseDest = (jint*)env->GetPrimitiveArrayCritical(outValues, 0);
jint* dest = baseDest;
if (dest == NULL) {
env->ReleasePrimitiveArrayCritical(attrs, src, 0);
jniThrowException(env, "java/lang/OutOfMemoryError", "");
return JNI_FALSE;
}
jint* indices = NULL;
int indicesIdx = 0;
if (outIndices != NULL) {
if (env->GetArrayLength(outIndices) > NI) {
indices = (jint*)env->GetPrimitiveArrayCritical(outIndices, 0);
}
}
// Now lock down the resource object and start pulling stuff from it.
res.lock();
// Retrieve the XML attributes, if requested.
const jsize NX = xmlParser->getAttributeCount();
jsize ix=0;
uint32_t curXmlAttr = xmlParser->getAttributeNameResID(ix);
static const ssize_t kXmlBlock = 0x10000000;
// Now iterate through all of the attributes that the client has requested,
// filling in each with whatever data we can find.
ssize_t block = 0;
uint32_t typeSetFlags;
for (jsize ii=0; ii<NI; ii++) {
const uint32_t curIdent = (uint32_t)src[ii];
// Try to find a value for this attribute...
value.dataType = Res_value::TYPE_NULL;
value.data = 0;
typeSetFlags = 0;
config.density = 0;
// Skip through XML attributes until the end or the next possible match.
while (ix < NX && curIdent > curXmlAttr) {
ix++;
curXmlAttr = xmlParser->getAttributeNameResID(ix);
}
// Retrieve the current XML attribute if it matches, and step to next.
if (ix < NX && curIdent == curXmlAttr) {
block = kXmlBlock;
xmlParser->getAttributeValue(ix, &value);
ix++;
curXmlAttr = xmlParser->getAttributeNameResID(ix);
}
//printf("Attribute 0x%08x: type=0x%x, data=0x%08x\n", curIdent, value.dataType, value.data);
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 THROW_ON_BAD_ID
if (newBlock == BAD_INDEX) {
jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!");
return JNI_FALSE;
}
#endif
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;
}
//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] =
block != kXmlBlock ? (jint)res.getTableCookie(block) : (jint)-1;
dest[STYLE_RESOURCE_ID] = resid;
dest[STYLE_CHANGING_CONFIGURATIONS] = typeSetFlags;
dest[STYLE_DENSITY] = config.density;
if (indices != NULL && value.dataType != Res_value::TYPE_NULL) {
indicesIdx++;
indices[indicesIdx] = ii;
}
dest += STYLE_NUM_ENTRIES;
}
res.unlock();
if (indices != NULL) {
indices[0] = indicesIdx;
env->ReleasePrimitiveArrayCritical(outIndices, indices, 0);
}
env->ReleasePrimitiveArrayCritical(outValues, baseDest, 0);
env->ReleasePrimitiveArrayCritical(attrs, src, 0);
return JNI_TRUE;
}
static jint android_content_AssetManager_getArraySize(JNIEnv* env, jobject clazz,
jint id)
{
AssetManager* am = assetManagerForJavaObject(env, clazz);
if (am == NULL) {
return NULL;
}
const ResTable& res(am->getResources());
res.lock();
const ResTable::bag_entry* defStyleEnt = NULL;
ssize_t bagOff = res.getBagLocked(id, &defStyleEnt);
res.unlock();
return bagOff;
}
static jint android_content_AssetManager_retrieveArray(JNIEnv* env, jobject clazz,
jint id,
jintArray outValues)
{
if (outValues == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "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 THROW_ON_BAD_ID
if (newBlock == BAD_INDEX) {
jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!");
return JNI_FALSE;
}
#endif
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;
}
//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] = (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 jint android_content_AssetManager_openXmlAssetNative(JNIEnv* env, jobject clazz,
jint cookie,
jstring fileName)
{
AssetManager* am = assetManagerForJavaObject(env, clazz);
if (am == NULL) {
return 0;
}
LOGV("openXmlAsset in %p (Java object %p)\n", am, clazz);
if (fileName == NULL) {
jniThrowException(env, "java/lang/NullPointerException", "fileName");
return 0;
}
const char* fileName8 = env->GetStringUTFChars(fileName, NULL);
Asset* a = cookie
? am->openNonAsset((void*)cookie, fileName8, Asset::ACCESS_BUFFER)
: am->openNonAsset(fileName8, Asset::ACCESS_BUFFER);
if (a == NULL) {
jniThrowException(env, "java/io/FileNotFoundException", fileName8);
env->ReleaseStringUTFChars(fileName, fileName8);
return 0;
}
env->ReleaseStringUTFChars(fileName, fileName8);
ResXMLTree* block = new ResXMLTree();
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 (jint)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) {
jniThrowException(env, "java/lang/OutOfMemoryError", "");
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 THROW_ON_BAD_ID
if (stringBlock == BAD_INDEX) {
jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!");
return array;
}
#endif
//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());
jclass cls = env->FindClass("java/lang/String");
LOG_FATAL_IF(cls == NULL, "No string class?!?");
if (cls == NULL) {
return NULL;
}
const ResTable::bag_entry* startOfBag;
const ssize_t N = res.lockBag(arrayResId, &startOfBag);
if (N < 0) {
return NULL;
}
jobjectArray array = env->NewObjectArray(N, cls, 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 THROW_ON_BAD_ID
if (block == BAD_INDEX) {
jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!");
return array;
}
#endif
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(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) {
jniThrowException(env, "java/lang/OutOfMemoryError", "");
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 THROW_ON_BAD_ID
if (block == BAD_INDEX) {
jniThrowException(env, "java/lang/IllegalStateException", "Bad resource!");
return array;
}
#endif
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 void android_content_AssetManager_init(JNIEnv* env, jobject clazz)
{
AssetManager* am = new AssetManager();
if (am == NULL) {
jniThrowException(env, "java/lang/OutOfMemoryError", "");
return;
}
am->addDefaultAssets();
LOGV("Created AssetManager %p for Java object %p\n", am, clazz);
env->SetIntField(clazz, gAssetManagerOffsets.mObject, (jint)am);
}
static void android_content_AssetManager_destroy(JNIEnv* env, jobject clazz)
{
AssetManager* am = (AssetManager*)
(env->GetIntField(clazz, gAssetManagerOffsets.mObject));
LOGV("Destroying AssetManager %p for Java object %p\n", am, clazz);
if (am != NULL) {
delete am;
env->SetIntField(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 JNINativeMethod gAssetManagerMethods[] = {
/* name, signature, funcPtr */
// Basic asset stuff.
{ "openAsset", "(Ljava/lang/String;I)I",
(void*) android_content_AssetManager_openAsset },
{ "openAssetFd", "(Ljava/lang/String;[J)Landroid/os/ParcelFileDescriptor;",
(void*) android_content_AssetManager_openAssetFd },
{ "openNonAssetNative", "(ILjava/lang/String;I)I",
(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", "(I)V",
(void*) android_content_AssetManager_destroyAsset },
{ "readAssetChar", "(I)I",
(void*) android_content_AssetManager_readAssetChar },
{ "readAsset", "(I[BII)I",
(void*) android_content_AssetManager_readAsset },
{ "seekAsset", "(IJI)J",
(void*) android_content_AssetManager_seekAsset },
{ "getAssetLength", "(I)J",
(void*) android_content_AssetManager_getAssetLength },
{ "getAssetRemainingLength", "(I)J",
(void*) android_content_AssetManager_getAssetRemainingLength },
{ "addAssetPath", "(Ljava/lang/String;)I",
(void*) android_content_AssetManager_addAssetPath },
{ "isUpToDate", "()Z",
(void*) android_content_AssetManager_isUpToDate },
// Resources.
{ "setLocale", "(Ljava/lang/String;)V",
(void*) android_content_AssetManager_setLocale },
{ "getLocales", "()[Ljava/lang/String;",
(void*) android_content_AssetManager_getLocales },
{ "setConfiguration", "(IILjava/lang/String;IIIIIIIIIII)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","(ILandroid/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)I",
(void*) android_content_AssetManager_getNativeStringBlock },
{ "getCookieName","(I)Ljava/lang/String;",
(void*) android_content_AssetManager_getCookieName },
// Themes.
{ "newTheme", "()I",
(void*) android_content_AssetManager_newTheme },
{ "deleteTheme", "(I)V",
(void*) android_content_AssetManager_deleteTheme },
{ "applyThemeStyle", "(IIZ)V",
(void*) android_content_AssetManager_applyThemeStyle },
{ "copyTheme", "(II)V",
(void*) android_content_AssetManager_copyTheme },
{ "loadThemeAttributeValue", "(IILandroid/util/TypedValue;Z)I",
(void*) android_content_AssetManager_loadThemeAttributeValue },
{ "dumpTheme", "(IILjava/lang/String;Ljava/lang/String;)V",
(void*) android_content_AssetManager_dumpTheme },
{ "applyStyle","(IIII[I[I[I)Z",
(void*) android_content_AssetManager_applyStyle },
{ "retrieveAttributes","(I[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;)I",
(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 },
// Bookkeeping.
{ "init", "()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_getGlobalAssetCount },
};
int register_android_content_AssetManager(JNIEnv* env)
{
jclass typedValue = env->FindClass("android/util/TypedValue");
LOG_FATAL_IF(typedValue == NULL, "Unable to find class android/util/TypedValue");
gTypedValueOffsets.mType
= env->GetFieldID(typedValue, "type", "I");
LOG_FATAL_IF(gTypedValueOffsets.mType == NULL, "Unable to find TypedValue.type");
gTypedValueOffsets.mData
= env->GetFieldID(typedValue, "data", "I");
LOG_FATAL_IF(gTypedValueOffsets.mData == NULL, "Unable to find TypedValue.data");
gTypedValueOffsets.mString
= env->GetFieldID(typedValue, "string", "Ljava/lang/CharSequence;");
LOG_FATAL_IF(gTypedValueOffsets.mString == NULL, "Unable to find TypedValue.string");
gTypedValueOffsets.mAssetCookie
= env->GetFieldID(typedValue, "assetCookie", "I");
LOG_FATAL_IF(gTypedValueOffsets.mAssetCookie == NULL, "Unable to find TypedValue.assetCookie");
gTypedValueOffsets.mResourceId
= env->GetFieldID(typedValue, "resourceId", "I");
LOG_FATAL_IF(gTypedValueOffsets.mResourceId == NULL, "Unable to find TypedValue.resourceId");
gTypedValueOffsets.mChangingConfigurations
= env->GetFieldID(typedValue, "changingConfigurations", "I");
LOG_FATAL_IF(gTypedValueOffsets.mChangingConfigurations == NULL, "Unable to find TypedValue.changingConfigurations");
gTypedValueOffsets.mDensity = env->GetFieldID(typedValue, "density", "I");
LOG_FATAL_IF(gTypedValueOffsets.mDensity == NULL, "Unable to find TypedValue.density");
jclass assetFd = env->FindClass("android/content/res/AssetFileDescriptor");
LOG_FATAL_IF(assetFd == NULL, "Unable to find class android/content/res/AssetFileDescriptor");
gAssetFileDescriptorOffsets.mFd
= env->GetFieldID(assetFd, "mFd", "Landroid/os/ParcelFileDescriptor;");
LOG_FATAL_IF(gAssetFileDescriptorOffsets.mFd == NULL, "Unable to find AssetFileDescriptor.mFd");
gAssetFileDescriptorOffsets.mStartOffset
= env->GetFieldID(assetFd, "mStartOffset", "J");
LOG_FATAL_IF(gAssetFileDescriptorOffsets.mStartOffset == NULL, "Unable to find AssetFileDescriptor.mStartOffset");
gAssetFileDescriptorOffsets.mLength
= env->GetFieldID(assetFd, "mLength", "J");
LOG_FATAL_IF(gAssetFileDescriptorOffsets.mLength == NULL, "Unable to find AssetFileDescriptor.mLength");
jclass assetManager = env->FindClass("android/content/res/AssetManager");
LOG_FATAL_IF(assetManager == NULL, "Unable to find class android/content/res/AssetManager");
gAssetManagerOffsets.mObject
= env->GetFieldID(assetManager, "mObject", "I");
LOG_FATAL_IF(gAssetManagerOffsets.mObject == NULL, "Unable to find AssetManager.mObject");
g_stringClass = env->FindClass("java/lang/String");
return AndroidRuntime::registerNativeMethods(env,
"android/content/res/AssetManager", gAssetManagerMethods, NELEM(gAssetManagerMethods));
}
}; // namespace android