| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef FLUTTER_ASSETS_APK_ASSET_PROVIDER_H_ |
| #define FLUTTER_ASSETS_APK_ASSET_PROVIDER_H_ |
| |
| #include <android/asset_manager_jni.h> |
| #include <jni.h> |
| |
| #include "flutter/assets/asset_resolver.h" |
| #include "flutter/fml/memory/ref_counted.h" |
| #include "flutter/fml/platform/android/scoped_java_ref.h" |
| |
| namespace flutter { |
| |
| class APKAssetProviderInternal { |
| public: |
| virtual std::unique_ptr<fml::Mapping> GetAsMapping( |
| const std::string& asset_name) const = 0; |
| |
| protected: |
| virtual ~APKAssetProviderInternal() = default; |
| }; |
| |
| class APKAssetProvider final : public AssetResolver { |
| public: |
| explicit APKAssetProvider(JNIEnv* env, |
| jobject assetManager, |
| std::string directory); |
| |
| explicit APKAssetProvider(std::shared_ptr<APKAssetProviderInternal> impl); |
| |
| ~APKAssetProvider() = default; |
| |
| // Returns a new 'std::unique_ptr<APKAssetProvider>' with the same 'impl_' as |
| // this provider. |
| std::unique_ptr<APKAssetProvider> Clone() const; |
| |
| // Obtain a raw pointer to the APKAssetProviderInternal. |
| // |
| // This method is intended for use in tests. Callers must not |
| // delete the returned pointer. |
| APKAssetProviderInternal* GetImpl() const { return impl_.get(); } |
| |
| private: |
| std::shared_ptr<APKAssetProviderInternal> impl_; |
| |
| // |flutter::AssetResolver| |
| bool IsValid() const override; |
| |
| // |flutter::AssetResolver| |
| bool IsValidAfterAssetManagerChange() const override; |
| |
| // |AssetResolver| |
| AssetResolver::AssetResolverType GetType() const override; |
| |
| // |flutter::AssetResolver| |
| std::unique_ptr<fml::Mapping> GetAsMapping( |
| const std::string& asset_name) const override; |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(APKAssetProvider); |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_ASSETS_APK_ASSET_PROVIDER_H |