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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_ANDROID_APK_ASSETS_H_ | 5 #ifndef BASE_ANDROID_APK_ASSETS_H_ |
6 #define BASE_ANDROID_APK_ASSETS_H_ | 6 #define BASE_ANDROID_APK_ASSETS_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/android/jni_android.h" | 10 #include "base/android/jni_android.h" |
11 #include "base/files/memory_mapped_file.h" | 11 #include "base/files/memory_mapped_file.h" |
12 #include "base/posix/global_descriptors.h" | 12 #include "base/posix/global_descriptors.h" |
13 | 13 |
14 namespace base { | 14 namespace base { |
15 namespace android { | 15 namespace android { |
16 | 16 |
17 bool RegisterApkAssets(JNIEnv* env); | |
18 | |
19 // Opens an asset (e.g. a .pak file) from the apk. | 17 // Opens an asset (e.g. a .pak file) from the apk. |
20 // Can be used from renderer process. | 18 // Can be used from renderer process. |
21 // Fails if the asset is not stored uncompressed within the .apk. | 19 // Fails if the asset is not stored uncompressed within the .apk. |
22 // Returns: The File Descriptor of the asset, or -1 upon failure. | 20 // Returns: The File Descriptor of the asset, or -1 upon failure. |
23 // Input arguments: | 21 // Input arguments: |
24 // - |file_path|: Path to file within .apk. e.g.: assets/foo.pak | 22 // - |file_path|: Path to file within .apk. e.g.: assets/foo.pak |
25 // Output arguments: | 23 // Output arguments: |
26 // - |region|: size & offset (in bytes) within the .apk of the asset. | 24 // - |region|: size & offset (in bytes) within the .apk of the asset. |
27 BASE_EXPORT int OpenApkAsset( | 25 BASE_EXPORT int OpenApkAsset( |
28 const std::string& file_path, | 26 const std::string& file_path, |
29 base::MemoryMappedFile::Region* region); | 27 base::MemoryMappedFile::Region* region); |
30 | 28 |
31 // Registers an uncompressed asset from within the apk with GlobalDescriptors. | 29 // Registers an uncompressed asset from within the apk with GlobalDescriptors. |
32 // Returns: true in case of success, false otherwise. | 30 // Returns: true in case of success, false otherwise. |
33 BASE_EXPORT bool RegisterApkAssetWithGlobalDescriptors( | 31 BASE_EXPORT bool RegisterApkAssetWithGlobalDescriptors( |
34 base::GlobalDescriptors::Key key, | 32 base::GlobalDescriptors::Key key, |
35 const std::string& file_path); | 33 const std::string& file_path); |
36 | 34 |
37 } // namespace android | 35 } // namespace android |
38 } // namespace base | 36 } // namespace base |
39 | 37 |
40 #endif // BASE_ANDROID_APK_ASSETS_H_ | 38 #endif // BASE_ANDROID_APK_ASSETS_H_ |
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