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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_ANDROID_APK_ASSETS_H_
#define BASE_ANDROID_APK_ASSETS_H_
#include <string>
#include "base/android/jni_android.h"
#include "base/files/file_path.h"
#include "base/files/memory_mapped_file.h"
namespace base {
namespace android {
// Opens an asset (e.g. a .pak file) from the apk.
// Can be used from renderer process.
// Fails if the asset is not stored uncompressed within the .apk.
// Returns: The File Descriptor of the asset, or -1 upon failure.
// Input arguments:
// - |file_path|: Path to file within .apk. e.g.: assets/foo.pak
// - |split_name|: If non-empty, refers to the split where the asset is located.
// Output arguments:
// - |region|: size & offset (in bytes) within the .apk of the asset.
BASE_EXPORT int OpenApkAsset(const std::string& file_path,
const std::string& split_name,
base::MemoryMappedFile::Region* region);
BASE_EXPORT int OpenApkAsset(const std::string& file_path,
base::MemoryMappedFile::Region* region);
// Registers an uncompressed asset from within the apk in the
// FileDescriptorStore.
// Returns: true in case of success, false otherwise.
BASE_EXPORT bool RegisterApkAssetWithFileDescriptorStore(
const std::string& key,
const base::FilePath& file_path);
// If one of the above methods failed, call this to perform a
// `DumpWithoutCrashing` containing errors relevant to the failure.
BASE_EXPORT void DumpLastOpenApkAssetFailure();
} // namespace android
} // namespace base
#endif // BASE_ANDROID_APK_ASSETS_H_
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