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// Copyright 2015 The Chromium 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 BASE_ANDROID_APK_ASSETS_H_
#define BASE_ANDROID_APK_ASSETS_H_
#include <string>
#include "base/android/jni_android.h"
#include "base/files/memory_mapped_file.h"
#include "base/posix/global_descriptors.h"
namespace base {
namespace android {
bool RegisterApkAssets(JNIEnv* env);
// 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
// Output arguments:
// - |region|: size & offset (in bytes) within the .apk of the asset.
BASE_EXPORT int OpenApkAsset(
const std::string& file_path,
base::MemoryMappedFile::Region* region);
// Registers an uncompressed asset from within the apk with GlobalDescriptors.
// Returns: true in case of success, false otherwise.
BASE_EXPORT bool RegisterApkAssetWithGlobalDescriptors(
base::GlobalDescriptors::Key key,
const std::string& file_path);
} // namespace android
} // namespace base
#endif // BASE_ANDROID_APK_ASSETS_H_
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