/
ShadowArscAssetManager9.java
1930 lines (1727 loc) · 74.2 KB
/
ShadowArscAssetManager9.java
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package org.robolectric.shadows;
import static android.os.Build.VERSION_CODES.P;
import static android.os.Build.VERSION_CODES.Q;
import static android.os.Build.VERSION_CODES.R;
import static org.robolectric.res.android.ApkAssetsCookie.K_INVALID_COOKIE;
import static org.robolectric.res.android.ApkAssetsCookie.kInvalidCookie;
import static org.robolectric.res.android.Asset.SEEK_CUR;
import static org.robolectric.res.android.Asset.SEEK_END;
import static org.robolectric.res.android.Asset.SEEK_SET;
import static org.robolectric.res.android.AttributeResolution9.ApplyStyle;
import static org.robolectric.res.android.AttributeResolution9.ResolveAttrs;
import static org.robolectric.res.android.AttributeResolution9.RetrieveAttributes;
import static org.robolectric.res.android.Errors.NO_ERROR;
import static org.robolectric.res.android.Registries.NATIVE_RES_XML_PARSERS;
import static org.robolectric.res.android.Registries.NATIVE_RES_XML_TREES;
import static org.robolectric.res.android.Util.ATRACE_NAME;
import static org.robolectric.res.android.Util.CHECK;
import static org.robolectric.res.android.Util.JNI_FALSE;
import static org.robolectric.res.android.Util.JNI_TRUE;
import static org.robolectric.res.android.Util.isTruthy;
import static org.robolectric.shadow.api.Shadow.invokeConstructor;
import static org.robolectric.util.reflector.Reflector.reflector;
import android.annotation.AnyRes;
import android.annotation.ArrayRes;
import android.annotation.AttrRes;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.StyleRes;
import android.content.res.ApkAssets;
import android.content.res.AssetManager;
import android.content.res.Configuration;
import android.content.res.Configuration.NativeConfig;
import android.os.Build;
import android.os.ParcelFileDescriptor;
import android.util.ArraySet;
import android.util.SparseArray;
import android.util.TypedValue;
import dalvik.system.VMRuntime;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
import org.robolectric.annotation.RealObject;
import org.robolectric.annotation.Resetter;
import org.robolectric.res.Fs;
import org.robolectric.res.android.ApkAssetsCookie;
import org.robolectric.res.android.Asset;
import org.robolectric.res.android.AssetDir;
import org.robolectric.res.android.AssetPath;
import org.robolectric.res.android.CppApkAssets;
import org.robolectric.res.android.CppAssetManager;
import org.robolectric.res.android.CppAssetManager2;
import org.robolectric.res.android.CppAssetManager2.ResolvedBag;
import org.robolectric.res.android.CppAssetManager2.ResourceName;
import org.robolectric.res.android.CppAssetManager2.Theme;
import org.robolectric.res.android.DynamicRefTable;
import org.robolectric.res.android.Ref;
import org.robolectric.res.android.Registries;
import org.robolectric.res.android.ResStringPool;
import org.robolectric.res.android.ResTable_config;
import org.robolectric.res.android.ResXMLParser;
import org.robolectric.res.android.ResXMLTree;
import org.robolectric.res.android.ResourceTypes.Res_value;
import org.robolectric.shadow.api.Shadow;
import org.robolectric.util.PerfStatsCollector;
import org.robolectric.util.ReflectionHelpers;
import org.robolectric.util.ReflectionHelpers.ClassParameter;
import org.robolectric.util.reflector.Direct;
import org.robolectric.util.reflector.ForType;
import org.robolectric.util.reflector.Static;
// transliterated from
// https://android.googlesource.com/platform/frameworks/base/+/android-9.0.0_r12/core/jni/android_util_AssetManager.cpp
@Implements(
value = AssetManager.class,
minSdk = Build.VERSION_CODES.P,
shadowPicker = ShadowAssetManager.Picker.class)
@SuppressWarnings("NewApi")
public class ShadowArscAssetManager9 extends ShadowAssetManager.ArscBase {
private static final int STYLE_NUM_ENTRIES = 6;
private static final int STYLE_TYPE = 0;
private static final int STYLE_DATA = 1;
private static final int STYLE_ASSET_COOKIE = 2;
private static final int STYLE_RESOURCE_ID = 3;
private static final int STYLE_CHANGING_CONFIGURATIONS = 4;
private static final int STYLE_DENSITY = 5;
private static CppAssetManager2 systemCppAssetManager2;
private static long systemCppAssetManager2Ref;
private static boolean inNonSystemConstructor;
private static ApkAssets[] cachedSystemApkAssets;
private static ArraySet<ApkAssets> cachedSystemApkAssetsSet;
@RealObject AssetManager realAssetManager;
// @RealObject // protected AssetManager realObject;
// #define ATRACE_TAG ATRACE_TAG_RESOURCES
// #define LOG_TAG "asset"
//
// #include <inttypes.h>
// #include <linux/capability.h>
// #include <stdio.h>
// #include <sys/stat.h>
// #include <sys/system_properties.h>
// #include <sys/types.h>
// #include <sys/wait.h>
//
// #include <private/android_filesystem_config.h> // for AID_SYSTEM
//
// #include "android-base/logging.h"
// #include "android-base/properties.h"
// #include "android-base/stringprintf.h"
// #include "android_runtime/android_util_AssetManager.h"
// #include "android_runtime/AndroidRuntime.h"
// #include "android_util_Binder.h"
// #include "androidfw/Asset.h"
// #include "androidfw/AssetManager.h"
// #include "androidfw/AssetManager2.h"
// #include "androidfw/AttributeResolution.h"
// #include "androidfw/MutexGuard.h"
// #include "androidfw/ResourceTypes.h"
// #include "core_jni_helpers.h"
// #include "jni.h"
// #include "nativehelper/JNIHelp.h"
// #include "nativehelper/ScopedPrimitiveArray.h"
// #include "nativehelper/ScopedStringChars.h"
// #include "nativehelper/String.h"
// #include "utils/Log.h"
// #include "utils/misc.h"
// #include "utils/String.h"
// #include "utils/Trace.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);
//
// using ::android::base::StringPrintf;
//
// namespace android {
//
// // ----------------------------------------------------------------------------
//
// static class typedvalue_offsets_t {
// jfieldID mType;
// jfieldID mData;
// jfieldID mString;
// jfieldID mAssetCookie;
// jfieldID mResourceId;
// jfieldID mChangingConfigurations;
// jfieldID mDensity;
// }
// static final typedvalue_offsets_t gTypedValueOffsets = new typedvalue_offsets_t();
//
// static class assetfiledescriptor_offsets_t {
// jfieldID mFd;
// jfieldID mStartOffset;
// jfieldID mLength;
// }
// static final assetfiledescriptor_offsets_t gAssetFileDescriptorOffsets = new
// assetfiledescriptor_offsets_t();
//
// static class assetmanager_offsets_t
// {
// jfieldID mObject;
// };
// // This is also used by asset_manager.cpp.
// static final assetmanager_offsets_t gAssetManagerOffsets = new assetmanager_offsets_t();
//
// static class apkassetsfields {
// jfieldID native_ptr;
// }
// static final apkassetsfields gApkAssetsFields = new apkassetsfields();
//
// static class sparsearray_offsets_t {
// jclass classObject;
// jmethodID constructor;
// jmethodID put;
// }
// static final sparsearray_offsets_t gSparseArrayOffsets = new sparsearray_offsets_t();
//
// static class configuration_offsets_t {
// jclass classObject;
// jmethodID constructor;
// jfieldID mSmallestScreenWidthDpOffset;
// jfieldID mScreenWidthDpOffset;
// jfieldID mScreenHeightDpOffset;
// }
// static final configuration_offsets_t gConfigurationOffsets = new configuration_offsets_t();
//
// jclass g_stringClass = nullptr;
//
// // ----------------------------------------------------------------------------
@Implementation(maxSdk = Q)
protected static void createSystemAssetsInZygoteLocked() {
_AssetManager28_ _assetManagerStatic_ = reflector(_AssetManager28_.class);
AssetManager sSystem = _assetManagerStatic_.getSystem();
if (sSystem != null) {
return;
}
if (systemCppAssetManager2 == null) {
// first time! let the framework create a CppAssetManager2 and an AssetManager, which we'll
// hang on to.
reflector(AssetManagerReflector.class).createSystemAssetsInZygoteLocked();
cachedSystemApkAssets = _assetManagerStatic_.getSystemApkAssets();
cachedSystemApkAssetsSet = _assetManagerStatic_.getSystemApkAssetsSet();
} else {
// reuse the shared system CppAssetManager2; create a new AssetManager around it.
_assetManagerStatic_.setSystemApkAssets(cachedSystemApkAssets);
_assetManagerStatic_.setSystemApkAssetsSet(cachedSystemApkAssetsSet);
sSystem =
ReflectionHelpers.callConstructor(
AssetManager.class, ClassParameter.from(boolean.class, true /*sentinel*/));
sSystem.setApkAssets(cachedSystemApkAssets, false /*invalidateCaches*/);
ReflectionHelpers.setStaticField(AssetManager.class, "sSystem", sSystem);
}
}
@Resetter
public static void reset() {
// todo: ShadowPicker doesn't discriminate properly between concrete shadow classes for
// resetters...
if (!useLegacy() && RuntimeEnvironment.getApiLevel() >= P) {
_AssetManager28_ _assetManagerStatic_ = reflector(_AssetManager28_.class);
_assetManagerStatic_.setSystemApkAssetsSet(null);
_assetManagerStatic_.setSystemApkAssets(null);
_assetManagerStatic_.setSystem(null);
}
}
// Java asset cookies have 0 as an invalid cookie, but TypedArray expects < 0.
static int ApkAssetsCookieToJavaCookie(ApkAssetsCookie cookie) {
return cookie.intValue() != kInvalidCookie ? (cookie.intValue() + 1) : -1;
}
static ApkAssetsCookie JavaCookieToApkAssetsCookie(int cookie) {
return ApkAssetsCookie.forInt(cookie > 0 ? (cookie - 1) : kInvalidCookie);
}
// This is called by zygote (running as user root) as part of preloadResources.
// static void NativeVerifySystemIdmaps(JNIEnv* /*env*/, jclass /*clazz*/) {
@Implementation(minSdk = P, maxSdk = Q)
protected static void nativeVerifySystemIdmaps() {
return;
// todo: maybe implement?
// switch (pid_t pid = fork()) {
// case -1:
// PLOG(ERROR) << "failed to fork for idmap";
// break;
//
// // child
// case 0: {
// 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) {
// PLOG(ERROR) << "capget";
// exit(1);
// }
//
// capdata.effective = capdata.permitted;
// if (capset(&capheader, &capdata) != 0) {
// PLOG(ERROR) << "capset";
// exit(1);
// }
//
// if (setgid(AID_SYSTEM) != 0) {
// PLOG(ERROR) << "setgid";
// exit(1);
// }
//
// if (setuid(AID_SYSTEM) != 0) {
// PLOG(ERROR) << "setuid";
// exit(1);
// }
//
// // Generic idmap parameters
// char* argv[8];
// int argc = 0;
// struct stat st;
//
// memset(argv, 0, 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.
// String overlay_theme_path = base.GetProperty(AssetManager.OVERLAY_THEME_DIR_PROPERTY,
// "");
// if (!overlay_theme_path.empty()) {
// overlay_theme_path = String(AssetManager.OVERLAY_DIR) + "/" + overlay_theme_path;
// if (stat(overlay_theme_path, &st) == 0) {
// argv[argc++] = overlay_theme_path;
// }
// }
//
// if (stat(AssetManager.OVERLAY_DIR, &st) == 0) {
// argv[argc++] = AssetManager.OVERLAY_DIR;
// }
//
// if (stat(AssetManager.PRODUCT_OVERLAY_DIR, &st) == 0) {
// argv[argc++] = AssetManager.PRODUCT_OVERLAY_DIR;
// }
//
// // Finally, invoke idmap (if any overlay directory exists)
// if (argc > 5) {
// execv(AssetManager.IDMAP_BIN, (char* const*)argv);
// PLOG(ERROR) << "failed to execv for idmap";
// exit(1); // should never get here
// } else {
// exit(0);
// }
// } break;
//
// // parent
// default:
// waitpid(pid, null, 0);
// break;
// }
}
@Implementation(minSdk = Build.VERSION_CODES.Q, maxSdk = Build.VERSION_CODES.R)
protected static String[] nativeCreateIdmapsForStaticOverlaysTargetingAndroid() {
return new String[0];
}
static int CopyValue(
/*JNIEnv* env,*/ ApkAssetsCookie cookie,
Res_value value,
int ref,
int type_spec_flags,
ResTable_config config,
TypedValue out_typed_value) {
out_typed_value.type = value.dataType;
out_typed_value.assetCookie = ApkAssetsCookieToJavaCookie(cookie);
out_typed_value.data = value.data;
out_typed_value.string = null;
out_typed_value.resourceId = ref;
out_typed_value.changingConfigurations = type_spec_flags;
if (config != null) {
out_typed_value.density = config.density;
}
return (int) (ApkAssetsCookieToJavaCookie(cookie));
}
// @Override
// protected int addAssetPathNative(String path) {
// throw new UnsupportedOperationException(); // todo
// }
@Override
Collection<Path> getAllAssetDirs() {
ApkAssets[] apkAssetsArray = reflector(_AssetManager28_.class, realAssetManager).getApkAssets();
ArrayList<Path> assetDirs = new ArrayList<>();
for (ApkAssets apkAssets : apkAssetsArray) {
long apk_assets_native_ptr =
((ShadowArscApkAssets9) Shadow.extract(apkAssets)).getNativePtr();
CppApkAssets cppApkAssets =
Registries.NATIVE_APK_ASSETS_REGISTRY.getNativeObject(apk_assets_native_ptr);
if (new File(cppApkAssets.GetPath()).isFile()) {
assetDirs.add(Fs.forJar(Paths.get(cppApkAssets.GetPath())).getPath("assets"));
} else {
assetDirs.add(Paths.get(cppApkAssets.GetPath()));
}
}
return assetDirs;
}
@Override
List<AssetPath> getAssetPaths() {
return AssetManagerForJavaObject(realAssetManager).getAssetPaths();
}
// ----------------------------------------------------------------------------
// interface AAssetManager {}
//
// // Let the opaque type AAssetManager refer to a guarded AssetManager2 instance.
// static class GuardedAssetManager implements AAssetManager {
// CppAssetManager2 guarded_assetmanager = new CppAssetManager2();
// }
static CppAssetManager2 NdkAssetManagerForJavaObject(
/* JNIEnv* env,*/ AssetManager jassetmanager) {
// long assetmanager_handle = env.GetLongField(jassetmanager, gAssetManagerOffsets.mObject);
long assetmanager_handle = ReflectionHelpers.getField(jassetmanager, "mObject");
CppAssetManager2 am =
Registries.NATIVE_ASSET_MANAGER_REGISTRY.getNativeObject(assetmanager_handle);
if (am == null) {
throw new IllegalStateException("AssetManager has been finalized!");
}
return am;
}
static CppAssetManager2 AssetManagerForJavaObject(/* JNIEnv* env,*/ AssetManager jassetmanager) {
return NdkAssetManagerForJavaObject(jassetmanager);
}
static CppAssetManager2 AssetManagerFromLong(long ptr) {
// return *AssetManagerForNdkAssetManager(reinterpret_cast<AAssetManager>(ptr));
return Registries.NATIVE_ASSET_MANAGER_REGISTRY.getNativeObject(ptr);
}
static ParcelFileDescriptor ReturnParcelFileDescriptor(
/* JNIEnv* env,*/ Asset asset, long[] out_offsets) throws FileNotFoundException {
final Ref<Long> start_offset = new Ref<>(0L);
final Ref<Long> length = new Ref<>(0L);
FileDescriptor fd = asset.openFileDescriptor(start_offset, length);
// asset.reset();
if (fd == null) {
throw new FileNotFoundException(
"This file can not be opened as a file descriptor; it is probably compressed");
}
long[] offsets =
out_offsets; // reinterpret_cast<long*>(env.GetPrimitiveArrayCritical(out_offsets, 0));
if (offsets == null) {
// close(fd);
return null;
}
offsets[0] = start_offset.get();
offsets[1] = length.get();
// env.ReleasePrimitiveArrayCritical(out_offsets, offsets, 0);
FileDescriptor file_desc = fd; // jniCreateFileDescriptor(env, fd);
// if (file_desc == null) {
// close(fd);
// return null;
// }
// TODO: consider doing this
// return new ParcelFileDescriptor(file_desc);
return ParcelFileDescriptor.open(asset.getFile(), ParcelFileDescriptor.MODE_READ_ONLY);
}
/** Used for the creation of system assets. */
@Implementation(minSdk = P)
protected void __constructor__(boolean sentinel) {
inNonSystemConstructor = true;
try {
// call real constructor so field initialization happens.
invokeConstructor(
AssetManager.class, realAssetManager, ClassParameter.from(boolean.class, sentinel));
} finally {
inNonSystemConstructor = false;
}
}
// static jint NativeGetGlobalAssetCount(JNIEnv* /*env*/, jobject /*clazz*/) {
@Implementation(minSdk = P)
protected static int getGlobalAssetCount() {
return Asset.getGlobalCount();
}
// static jobject NativeGetAssetAllocations(JNIEnv* env, jobject /*clazz*/) {
@Implementation(minSdk = P)
protected static String getAssetAllocations() {
String alloc = Asset.getAssetAllocations();
if (alloc.length() <= 0) {
return null;
}
return alloc;
}
// static jint NativeGetGlobalAssetManagerCount(JNIEnv* /*env*/, jobject /*clazz*/) {
@Implementation(minSdk = P)
protected static int getGlobalAssetManagerCount() {
// TODO(adamlesinski): Switch to AssetManager2.
return CppAssetManager.getGlobalCount();
}
// static jlong NativeCreate(JNIEnv* /*env*/, jclass /*clazz*/) {
@Implementation(minSdk = P)
protected static long nativeCreate() {
// AssetManager2 needs to be protected by a lock. To avoid cache misses, we allocate the lock
// and
// AssetManager2 in a contiguous block (GuardedAssetManager).
// return reinterpret_cast<long>(new GuardedAssetManager());
long cppAssetManagerRef;
// we want to share a single instance of the system CppAssetManager2
if (inNonSystemConstructor) {
CppAssetManager2 appAssetManager = new CppAssetManager2();
cppAssetManagerRef = Registries.NATIVE_ASSET_MANAGER_REGISTRY.register(appAssetManager);
} else {
if (systemCppAssetManager2 == null) {
systemCppAssetManager2 = new CppAssetManager2();
systemCppAssetManager2Ref =
Registries.NATIVE_ASSET_MANAGER_REGISTRY.register(systemCppAssetManager2);
}
cppAssetManagerRef = systemCppAssetManager2Ref;
}
return cppAssetManagerRef;
}
// static void NativeDestroy(JNIEnv* /*env*/, jclass /*clazz*/, jlong ptr) {
@Implementation(minSdk = P)
protected static void nativeDestroy(long ptr) {
if (ptr == systemCppAssetManager2Ref) {
// don't destroy the shared system CppAssetManager2!
return;
}
// delete reinterpret_cast<GuardedAssetManager*>(ptr);
Registries.NATIVE_ASSET_MANAGER_REGISTRY.unregister(ptr);
}
// static void NativeSetApkAssets(JNIEnv* env, jclass /*clazz*/, jlong ptr,
// jobjectArray apk_assets_array, jboolean invalidate_caches) {
@Implementation(minSdk = P)
protected static void nativeSetApkAssets(
long ptr,
@NonNull android.content.res.ApkAssets[] apk_assets_array,
boolean invalidate_caches) {
ATRACE_NAME("AssetManager::SetApkAssets");
int apk_assets_len = apk_assets_array.length;
List<CppApkAssets> apk_assets = new ArrayList<>();
// apk_assets.reserve(apk_assets_len);
for (int i = 0; i < apk_assets_len; i++) {
android.content.res.ApkAssets apkAssets =
apk_assets_array[i]; // env.GetObjectArrayElement(apk_assets_array, i);
if (apkAssets == null) {
throw new NullPointerException(String.format("ApkAssets at index %d is null", i));
}
long apk_assets_native_ptr =
((ShadowArscApkAssets9) Shadow.extract(apkAssets)).getNativePtr();
// if (env.ExceptionCheck()) {
// return;
// }
apk_assets.add(Registries.NATIVE_APK_ASSETS_REGISTRY.getNativeObject(apk_assets_native_ptr));
}
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
assetmanager.SetApkAssets(apk_assets, invalidate_caches);
}
// static void NativeSetConfiguration(JNIEnv* env, jclass /*clazz*/, jlong ptr, jint mcc, jint
// mnc,
// jstring locale, jint orientation, jint touchscreen, jint
// density,
// jint keyboard, jint keyboard_hidden, jint navigation,
// jint screen_width, jint screen_height,
// jint smallest_screen_width_dp, jint screen_width_dp,
// jint screen_height_dp, jint screen_layout, jint ui_mode,
// jint color_mode, jint major_version) {
@Implementation(minSdk = P)
protected static void nativeSetConfiguration(
long ptr,
int mcc,
int mnc,
@Nullable String locale,
int orientation,
int touchscreen,
int density,
int keyboard,
int keyboard_hidden,
int navigation,
int screen_width,
int screen_height,
int smallest_screen_width_dp,
int screen_width_dp,
int screen_height_dp,
int screen_layout,
int ui_mode,
int color_mode,
int major_version) {
ATRACE_NAME("AssetManager::SetConfiguration");
ResTable_config configuration = new ResTable_config();
// memset(&configuration, 0, sizeof(configuration));
configuration.mcc = (short) (mcc);
configuration.mnc = (short) (mnc);
configuration.orientation = (byte) (orientation);
configuration.touchscreen = (byte) (touchscreen);
configuration.density = (short) (density);
configuration.keyboard = (byte) (keyboard);
configuration.inputFlags = (byte) (keyboard_hidden);
configuration.navigation = (byte) (navigation);
configuration.screenWidth = (short) (screen_width);
configuration.screenHeight = (short) (screen_height);
configuration.smallestScreenWidthDp = (short) (smallest_screen_width_dp);
configuration.screenWidthDp = (short) (screen_width_dp);
configuration.screenHeightDp = (short) (screen_height_dp);
configuration.screenLayout = (byte) (screen_layout);
configuration.uiMode = (byte) (ui_mode);
configuration.colorMode = (byte) (color_mode);
configuration.sdkVersion = (short) (major_version);
if (locale != null) {
String locale_utf8 = locale;
CHECK(locale_utf8 != null);
configuration.setBcp47Locale(locale_utf8);
}
// Constants duplicated from Java class android.content.res.Configuration.
int kScreenLayoutRoundMask = 0x300;
int kScreenLayoutRoundShift = 8;
// 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.
configuration.screenLayout2 =
(byte) ((screen_layout & kScreenLayoutRoundMask) >> kScreenLayoutRoundShift);
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
assetmanager.SetConfiguration(configuration);
}
// static jobject NativeGetAssignedPackageIdentifiers(JNIEnv* env, jclass /*clazz*/, jlong ptr) {
@Implementation(minSdk = P, maxSdk = Q)
protected static @NonNull SparseArray<String> nativeGetAssignedPackageIdentifiers(long ptr) {
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
SparseArray<String> sparse_array = new SparseArray<>();
if (sparse_array == null) {
// An exception is pending.
return null;
}
assetmanager.ForEachPackage(
(String package_name, byte package_id) -> {
String jpackage_name = package_name; // env.NewStringUTF(package_name);
if (jpackage_name == null) {
// An exception is pending.
return;
}
// env.CallVoidMethod(sparse_array, gSparseArrayOffsets.put, (int) (package_id),
// jpackage_name);
sparse_array.put(package_id, jpackage_name);
});
return sparse_array;
}
// static jobjectArray NativeList(JNIEnv* env, jclass /*clazz*/, jlong ptr, jstring path) {
@Implementation(minSdk = P)
protected static @Nullable String[] nativeList(long ptr, @NonNull String path)
throws IOException {
String path_utf8 = path;
if (path_utf8 == null) {
// This will throw NPE.
return null;
}
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
AssetDir asset_dir = assetmanager.OpenDir(path_utf8);
if (asset_dir == null) {
throw new FileNotFoundException(path_utf8);
}
int file_count = asset_dir.getFileCount();
String[] array = new String[file_count]; // env.NewObjectArray(file_count, g_stringClass, null);
// if (array == null) {
// return null;
// }
for (int i = 0; i < file_count; i++) {
String java_string = asset_dir.getFileName(i).string();
// Check for errors creating the strings (if malformed or no memory).
// if (env.ExceptionCheck()) {
// return null;
// }
// env.SetObjectArrayElement(array, i, java_string);
array[i] = java_string;
// If we have a large amount of string in our array, we might overflow the
// local reference table of the VM.
// env.DeleteLocalRef(java_string);
}
return array;
}
// static jlong NativeOpenAsset(JNIEnv* env, jclass /*clazz*/, jlong ptr, jstring asset_path,
// jint access_mode) {
@Implementation(minSdk = P)
protected static long nativeOpenAsset(long ptr, @NonNull String asset_path, int access_mode)
throws FileNotFoundException {
String asset_path_utf8 = asset_path;
if (asset_path_utf8 == null) {
// This will throw NPE.
return 0;
}
ATRACE_NAME(String.format("AssetManager::OpenAsset(%s)", asset_path_utf8));
if (access_mode != Asset.AccessMode.ACCESS_UNKNOWN.mode()
&& access_mode != Asset.AccessMode.ACCESS_RANDOM.mode()
&& access_mode != Asset.AccessMode.ACCESS_STREAMING.mode()
&& access_mode != Asset.AccessMode.ACCESS_BUFFER.mode()) {
throw new IllegalArgumentException("Bad access mode");
}
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
Asset asset = assetmanager.Open(asset_path_utf8, Asset.AccessMode.fromInt(access_mode));
if (!isTruthy(asset)) {
throw new FileNotFoundException(asset_path_utf8);
}
return Registries.NATIVE_ASSET_REGISTRY.register(asset);
}
// static jobject NativeOpenAssetFd(JNIEnv* env, jclass /*clazz*/, jlong ptr, jstring asset_path,
// jlongArray out_offsets) {
@Implementation(minSdk = P)
protected static ParcelFileDescriptor nativeOpenAssetFd(
long ptr, @NonNull String asset_path, long[] out_offsets) throws IOException {
String asset_path_utf8 = asset_path;
if (asset_path_utf8 == null) {
// This will throw NPE.
return null;
}
ATRACE_NAME(String.format("AssetManager::OpenAssetFd(%s)", asset_path_utf8));
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
Asset asset = assetmanager.Open(asset_path_utf8, Asset.AccessMode.ACCESS_RANDOM);
if (!isTruthy(asset)) {
throw new FileNotFoundException(asset_path_utf8);
}
return ReturnParcelFileDescriptor(asset, out_offsets);
}
// static jlong NativeOpenNonAsset(JNIEnv* env, jclass /*clazz*/, jlong ptr, jint jcookie,
// jstring asset_path, jint access_mode) {
@Implementation(minSdk = P)
protected static long nativeOpenNonAsset(
long ptr, int jcookie, @NonNull String asset_path, int access_mode)
throws FileNotFoundException {
ApkAssetsCookie cookie = JavaCookieToApkAssetsCookie(jcookie);
String asset_path_utf8 = asset_path;
if (asset_path_utf8 == null) {
// This will throw NPE.
return 0;
}
ATRACE_NAME(String.format("AssetManager::OpenNonAsset(%s)", asset_path_utf8));
if (access_mode != Asset.AccessMode.ACCESS_UNKNOWN.mode()
&& access_mode != Asset.AccessMode.ACCESS_RANDOM.mode()
&& access_mode != Asset.AccessMode.ACCESS_STREAMING.mode()
&& access_mode != Asset.AccessMode.ACCESS_BUFFER.mode()) {
throw new IllegalArgumentException("Bad access mode");
}
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
Asset asset;
if (cookie.intValue() != kInvalidCookie) {
asset =
assetmanager.OpenNonAsset(asset_path_utf8, cookie, Asset.AccessMode.fromInt(access_mode));
} else {
asset = assetmanager.OpenNonAsset(asset_path_utf8, Asset.AccessMode.fromInt(access_mode));
}
if (!isTruthy(asset)) {
throw new FileNotFoundException(asset_path_utf8);
}
return Registries.NATIVE_ASSET_REGISTRY.register(asset);
}
// static jobject NativeOpenNonAssetFd(JNIEnv* env, jclass /*clazz*/, jlong ptr, jint jcookie,
// jstring asset_path, jlongArray out_offsets) {
@Implementation(minSdk = P)
protected static @Nullable ParcelFileDescriptor nativeOpenNonAssetFd(
long ptr, int jcookie, @NonNull String asset_path, @NonNull long[] out_offsets)
throws IOException {
ApkAssetsCookie cookie = JavaCookieToApkAssetsCookie(jcookie);
String asset_path_utf8 = asset_path;
if (asset_path_utf8 == null) {
// This will throw NPE.
return null;
}
ATRACE_NAME(String.format("AssetManager::OpenNonAssetFd(%s)", asset_path_utf8));
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
Asset asset;
if (cookie.intValue() != kInvalidCookie) {
asset = assetmanager.OpenNonAsset(asset_path_utf8, cookie, Asset.AccessMode.ACCESS_RANDOM);
} else {
asset = assetmanager.OpenNonAsset(asset_path_utf8, Asset.AccessMode.ACCESS_RANDOM);
}
if (!isTruthy(asset)) {
throw new FileNotFoundException(asset_path_utf8);
}
return ReturnParcelFileDescriptor(asset, out_offsets);
}
// static jlong NativeOpenXmlAsset(JNIEnv* env, jobject /*clazz*/, jlong ptr, jint jcookie,
// jstring asset_path) {
@Implementation(minSdk = P)
protected static long nativeOpenXmlAsset(long ptr, int jcookie, @NonNull String asset_path)
throws FileNotFoundException {
ApkAssetsCookie cookie = JavaCookieToApkAssetsCookie(jcookie);
String asset_path_utf8 = asset_path;
if (asset_path_utf8 == null) {
// This will throw NPE.
return 0;
}
ATRACE_NAME(String.format("AssetManager::OpenXmlAsset(%s)", asset_path_utf8));
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
Asset asset;
if (cookie.intValue() != kInvalidCookie) {
asset = assetmanager.OpenNonAsset(asset_path_utf8, cookie, Asset.AccessMode.ACCESS_RANDOM);
} else {
Ref<ApkAssetsCookie> cookieRef = new Ref<>(cookie);
asset = assetmanager.OpenNonAsset(asset_path_utf8, Asset.AccessMode.ACCESS_RANDOM, cookieRef);
cookie = cookieRef.get();
}
if (!isTruthy(asset)) {
throw new FileNotFoundException(asset_path_utf8);
}
// May be nullptr.
DynamicRefTable dynamic_ref_table = assetmanager.GetDynamicRefTableForCookie(cookie);
ResXMLTree xml_tree = new ResXMLTree(dynamic_ref_table);
int err = xml_tree.setTo(asset.getBuffer(true), (int) asset.getLength(), true);
// asset.reset();
if (err != NO_ERROR) {
throw new FileNotFoundException("Corrupt XML binary file");
}
return NATIVE_RES_XML_TREES.register(xml_tree);
}
// static jint NativeGetResourceValue(JNIEnv* env, jclass /*clazz*/, jlong ptr, jint resid,
// jshort density, jobject typed_value,
// jboolean resolve_references) {
@Implementation(minSdk = P)
protected static int nativeGetResourceValue(
long ptr,
@AnyRes int resid,
short density,
@NonNull TypedValue typed_value,
boolean resolve_references) {
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
final Ref<Res_value> value = new Ref<>(null);
final Ref<ResTable_config> selected_config = new Ref<>(null);
final Ref<Integer> flags = new Ref<>(0);
ApkAssetsCookie cookie =
assetmanager.GetResource(
resid, false /*may_be_bag*/, (short) (density), value, selected_config, flags);
if (cookie.intValue() == kInvalidCookie) {
return ApkAssetsCookieToJavaCookie(K_INVALID_COOKIE);
}
final Ref<Integer> ref = new Ref<>(resid);
if (resolve_references) {
cookie = assetmanager.ResolveReference(cookie, value, selected_config, flags, ref);
if (cookie.intValue() == kInvalidCookie) {
return ApkAssetsCookieToJavaCookie(K_INVALID_COOKIE);
}
}
return CopyValue(
cookie, value.get(), ref.get(), flags.get(), selected_config.get(), typed_value);
}
// static jint NativeGetResourceBagValue(JNIEnv* env, jclass /*clazz*/, jlong ptr, jint resid,
// jint bag_entry_id, jobject typed_value) {
@Implementation(minSdk = P)
protected static int nativeGetResourceBagValue(
long ptr, @AnyRes int resid, int bag_entry_id, @NonNull TypedValue typed_value) {
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
ResolvedBag bag = assetmanager.GetBag(resid);
if (bag == null) {
return ApkAssetsCookieToJavaCookie(K_INVALID_COOKIE);
}
final Ref<Integer> type_spec_flags = new Ref<>(bag.type_spec_flags);
ApkAssetsCookie cookie = K_INVALID_COOKIE;
Res_value bag_value = null;
for (ResolvedBag.Entry entry : bag.entries) {
if (entry.key == (int) (bag_entry_id)) {
cookie = entry.cookie;
bag_value = entry.value;
// Keep searching (the old implementation did that).
}
}
if (cookie.intValue() == kInvalidCookie) {
return ApkAssetsCookieToJavaCookie(K_INVALID_COOKIE);
}
final Ref<Res_value> value = new Ref<>(bag_value);
final Ref<Integer> ref = new Ref<>(resid);
final Ref<ResTable_config> selected_config = new Ref<>(null);
cookie = assetmanager.ResolveReference(cookie, value, selected_config, type_spec_flags, ref);
if (cookie.intValue() == kInvalidCookie) {
return ApkAssetsCookieToJavaCookie(K_INVALID_COOKIE);
}
return CopyValue(cookie, value.get(), ref.get(), type_spec_flags.get(), null, typed_value);
}
// static jintArray NativeGetStyleAttributes(JNIEnv* env, jclass /*clazz*/, jlong ptr, jint resid)
// {
@Implementation(minSdk = P)
protected static @Nullable @AttrRes int[] nativeGetStyleAttributes(
long ptr, @StyleRes int resid) {
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
ResolvedBag bag = assetmanager.GetBag(resid);
if (bag == null) {
return null;
}
int[] array = new int[bag.entry_count];
// if (env.ExceptionCheck()) {
// return null;
// }
for (int i = 0; i < bag.entry_count; i++) {
int attr_resid = bag.entries[i].key;
// env.SetIntArrayRegion(array, i, 1, &attr_resid);
array[i] = attr_resid;
}
return array;
}
// static jobjectArray NativeGetResourceStringArray(JNIEnv* env, jclass /*clazz*/, jlong ptr,
// jint resid) {
@Implementation(minSdk = P)
protected static @Nullable String[] nativeGetResourceStringArray(long ptr, @ArrayRes int resid) {
CppAssetManager2 assetmanager = AssetManagerFromLong(ptr);
ResolvedBag bag = assetmanager.GetBag(resid);
if (bag == null) {
return null;
}
String[] array = new String[bag.entry_count];
if (array == null) {
return null;
}
for (int i = 0; i < bag.entry_count; i++) {
ResolvedBag.Entry entry = bag.entries[i];
// Resolve any references to their final value.
final Ref<Res_value> value = new Ref<>(entry.value);
final Ref<ResTable_config> selected_config = new Ref<>(null);
final Ref<Integer> flags = new Ref<>(0);
final Ref<Integer> ref = new Ref<>(0);
ApkAssetsCookie cookie =
assetmanager.ResolveReference(entry.cookie, value, selected_config, flags, ref);
if (cookie.intValue() == kInvalidCookie) {
return null;
}
if (value.get().dataType == Res_value.TYPE_STRING) {
CppApkAssets apk_assets = assetmanager.GetApkAssets().get(cookie.intValue());
ResStringPool pool = apk_assets.GetLoadedArsc().GetStringPool();
String java_string = null;
int str_len;
String str_utf8 = pool.stringAt(value.get().data);
if (str_utf8 != null) {
java_string = str_utf8;
} else {
String str_utf16 = pool.stringAt(value.get().data);