Merge changes If7ea17d5,If6364fd6 into rvc-dev am: 8275fb7d66 (a6f2c4f6) · Commits · e / os / android_frameworks_base

core/jni/android_util_AssetManager.cpp

+0 −4

Original line number	Diff line number	Diff line
		@@ -214,12 +214,8 @@ static jint CopyValue(JNIEnv* env, ApkAssetsCookie cookie, const Res_value& valu

		// ----------------------------------------------------------------------------

		static std::unique_ptr<DynamicLibManager> sDynamicLibManager =
		std::make_unique<DynamicLibManager>();

		// Let the opaque type AAssetManager refer to a guarded AssetManager2 instance.
		struct GuardedAssetManager : public ::AAssetManager {
		GuardedAssetManager() : guarded_assetmanager(sDynamicLibManager.get()) {}
		Guarded<AssetManager2> guarded_assetmanager;
		};

libs/androidfw/Android.bp

+0 −1

Original line number	Diff line number	Diff line
		@@ -44,7 +44,6 @@ cc_library {
		"AttributeResolution.cpp",
		"ChunkIterator.cpp",
		"ConfigDescription.cpp",
		"DynamicLibManager.cpp",
		"Idmap.cpp",
		"LoadedArsc.cpp",
		"Locale.cpp",

libs/androidfw/AssetManager2.cpp

+25 −48

Original line number	Diff line number	Diff line
		@@ -25,7 +25,6 @@

		#include "android-base/logging.h"
		#include "android-base/stringprintf.h"
		#include "androidfw/DynamicLibManager.h"
		#include "androidfw/ResourceUtils.h"
		#include "androidfw/Util.h"
		#include "utils/ByteOrder.h"
		@@ -67,12 +66,7 @@ struct FindEntryResult {
		StringPoolRef entry_string_ref;
		};

		AssetManager2::AssetManager2() : dynamic_lib_manager_(std::make_unique<DynamicLibManager>()) {
		memset(&configuration_, 0, sizeof(configuration_));
		}

		AssetManager2::AssetManager2(DynamicLibManager* dynamic_lib_manager)
		: dynamic_lib_manager_(dynamic_lib_manager) {
		AssetManager2::AssetManager2() {
		memset(&configuration_, 0, sizeof(configuration_));
		}

		@@ -91,6 +85,9 @@ void AssetManager2::BuildDynamicRefTable() {
		package_groups_.clear();
		package_ids_.fill(0xff);

		// A mapping from apk assets path to the runtime package id of its first loaded package.
		std::unordered_map<std::string, uint8_t> apk_assets_package_ids;

		// Overlay resources are not directly referenced by an application so their resource ids
		// can change throughout the application's lifetime. Assign overlay package ids last.
		std::vector<const ApkAssets*> sorted_apk_assets(apk_assets_);
		@@ -98,38 +95,26 @@ void AssetManager2::BuildDynamicRefTable() {
		return !a->IsOverlay();
		});

		std::unordered_map<std::string, uint8_t> apk_assets_package_ids;
		std::unordered_map<std::string, uint8_t> package_name_package_ids;

		// Assign stable package ids to application packages.
		uint8_t next_available_package_id = 0U;
		for (const auto& apk_assets : sorted_apk_assets) {
		for (const auto& package : apk_assets->GetLoadedArsc()->GetPackages()) {
		uint8_t package_id = package->GetPackageId();
		if (package->IsOverlay()) {
		package_id = GetDynamicLibManager()->FindUnassignedId(next_available_package_id);
		next_available_package_id = package_id + 1;
		} else if (package->IsDynamic()) {
		package_id = GetDynamicLibManager()->GetAssignedId(package->GetPackageName());
		// The assets cookie must map to the position of the apk assets in the unsorted apk assets list.
		std::unordered_map<const ApkAssets*, ApkAssetsCookie> apk_assets_cookies;
		apk_assets_cookies.reserve(apk_assets_.size());
		for (size_t i = 0, n = apk_assets_.size(); i < n; i++) {
		apk_assets_cookies[apk_assets_[i]] = static_cast<ApkAssetsCookie>(i);
		}

		// Map the path of the apk assets to the package id of its first loaded package.
		apk_assets_package_ids[apk_assets->GetPath()] = package_id;

		// Map the package name of the package to the first loaded package with that package id.
		package_name_package_ids[package->GetPackageName()] = package_id;
		}
		// 0x01 is reserved for the android package.
		int next_package_id = 0x02;
		for (const ApkAssets* apk_assets : sorted_apk_assets) {
		const LoadedArsc* loaded_arsc = apk_assets->GetLoadedArsc();
		for (const std::unique_ptr<const LoadedPackage>& package : loaded_arsc->GetPackages()) {
		// Get the package ID or assign one if a shared library.
		int package_id;
		if (package->IsDynamic()) {
		package_id = next_package_id++;
		} else {
		package_id = package->GetPackageId();
		}

		const int apk_assets_count = apk_assets_.size();
		for (int i = 0; i < apk_assets_count; i++) {
		const auto& apk_assets = apk_assets_[i];
		for (const auto& package : apk_assets->GetLoadedArsc()->GetPackages()) {
		const auto package_id_entry = package_name_package_ids.find(package->GetPackageName());
		CHECK(package_id_entry != package_name_package_ids.end())
		<< "no package id assgined to package " << package->GetPackageName();
		const uint8_t package_id = package_id_entry->second;

		// Add the mapping for package ID to index if not present.
		uint8_t idx = package_ids_[package_id];
		if (idx == 0xff) {
		@@ -162,7 +147,7 @@ void AssetManager2::BuildDynamicRefTable() {
		target_package_group.overlays_.push_back(
		ConfiguredOverlay{loaded_idmap->GetTargetResourcesMap(target_package_id,
		overlay_table.get()),
		static_cast<ApkAssetsCookie>(i)});
		apk_assets_cookies[apk_assets]});
		}
		}

		@@ -174,7 +159,7 @@ void AssetManager2::BuildDynamicRefTable() {

		// Add the package and to the set of packages with the same ID.
		package_group->packages_.push_back(ConfiguredPackage{package.get(), {}});
		package_group->cookies_.push_back(static_cast<ApkAssetsCookie>(i));
		package_group->cookies_.push_back(apk_assets_cookies[apk_assets]);

		// Add the package name -> build time ID mappings.
		for (const DynamicPackageEntry& entry : package->GetDynamicPackageMap()) {
		@@ -182,6 +167,8 @@ void AssetManager2::BuildDynamicRefTable() {
		package_group->dynamic_ref_table->mEntries.replaceValueFor(
		package_name, static_cast<uint8_t>(entry.package_id));
		}

		apk_assets_package_ids.insert(std::make_pair(apk_assets->GetPath(), package_id));
		}
		}

		@@ -1329,16 +1316,6 @@ uint8_t AssetManager2::GetAssignedPackageId(const LoadedPackage* package) const
		return 0;
		}

		DynamicLibManager* AssetManager2::GetDynamicLibManager() const {
		auto dynamic_lib_manager =
		std::get_if<std::unique_ptr<DynamicLibManager>>(&dynamic_lib_manager_);
		if (dynamic_lib_manager) {
		return (*dynamic_lib_manager).get();
		} else {
		return std::get_if<DynamicLibManager>(&dynamic_lib_manager_);
		}
		}

		std::unique_ptr<Theme> AssetManager2::NewTheme() {
		return std::unique_ptr<Theme>(new Theme(this));
		}

libs/androidfw/DynamicLibManager.cpp

deleted100644 → 0

+0 −34

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2019 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.
		*/

		#include "androidfw/DynamicLibManager.h"

		namespace android {

		uint8_t DynamicLibManager::GetAssignedId(const std::string& library_package_name) {
		auto lib_entry = shared_lib_package_ids_.find(library_package_name);
		if (lib_entry != shared_lib_package_ids_.end()) {
		return lib_entry->second;
		}

		return shared_lib_package_ids_[library_package_name] = next_package_id_++;
		}

		uint8_t DynamicLibManager::FindUnassignedId(uint8_t start_package_id) {
		return (start_package_id < next_package_id_) ? next_package_id_ : start_package_id;
		}

		} // namespace android

libs/androidfw/include/androidfw/AssetManager2.h

+3 −10

Original line number	Diff line number	Diff line
		@@ -27,7 +27,6 @@
		#include "androidfw/ApkAssets.h"
		#include "androidfw/Asset.h"
		#include "androidfw/AssetManager.h"
		#include "androidfw/DynamicLibManager.h"
		#include "androidfw/ResourceTypes.h"
		#include "androidfw/Util.h"

		@@ -95,7 +94,6 @@ class AssetManager2 {
		};

		AssetManager2();
		explicit AssetManager2(DynamicLibManager* dynamic_lib_manager);

		// Sets/resets the underlying ApkAssets for this AssetManager. The ApkAssets
		// are not owned by the AssetManager, and must have a longer lifetime.
		@@ -126,6 +124,9 @@ class AssetManager2 {
		// This may be nullptr if the APK represented by `cookie` has no resource table.
		std::shared_ptr<const DynamicRefTable> GetDynamicRefTableForCookie(ApkAssetsCookie cookie) const;

		// Retrieve the assigned package id of the package if loaded into this AssetManager
		uint8_t GetAssignedPackageId(const LoadedPackage* package) const;

		// Returns a string representation of the overlayable API of a package.
		bool GetOverlayablesToString(const android::StringPiece& package_name,
		std::string* out) const;
		@@ -370,11 +371,6 @@ class AssetManager2 {
		// been seen while traversing bag parents.
		const ResolvedBag* GetBag(uint32_t resid, std::vector<uint32_t>& child_resids);

		// Retrieve the assigned package id of the package if loaded into this AssetManager
		uint8_t GetAssignedPackageId(const LoadedPackage* package) const;

		DynamicLibManager* GetDynamicLibManager() const;

		// The ordered list of ApkAssets to search. These are not owned by the AssetManager, and must
		// have a longer lifetime.
		std::vector<const ApkAssets*> apk_assets_;
		@@ -393,9 +389,6 @@ class AssetManager2 {
		// may need to be purged.
		ResTable_config configuration_;

		// Component responsible for assigning package ids to shared libraries.
		std::variant<std::unique_ptr<DynamicLibManager>, DynamicLibManager*> dynamic_lib_manager_;

		// Cached set of bags. These are cached because they can inherit keys from parent bags,
		// which involves some calculation.
		std::unordered_map<uint32_t, util::unique_cptr<ResolvedBag>> cached_bags_;