OLD | NEW |
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 #include <jni.h> | 5 #include <jni.h> |
6 | 6 |
7 #include "base/android/apk_assets.h" | 7 #include "base/android/apk_assets.h" |
8 | 8 |
9 #include "base/android/context_utils.h" | 9 #include "base/android/context_utils.h" |
10 #include "base/android/jni_array.h" | 10 #include "base/android/jni_array.h" |
11 #include "base/android/jni_string.h" | 11 #include "base/android/jni_string.h" |
12 #include "base/android/scoped_java_ref.h" | 12 #include "base/android/scoped_java_ref.h" |
13 #include "jni/ApkAssets_jni.h" | 13 #include "jni/ApkAssets_jni.h" |
14 | 14 |
15 namespace base { | 15 namespace base { |
16 namespace android { | 16 namespace android { |
17 | 17 |
18 int OpenApkAsset(const std::string& file_path, | 18 int OpenApkAsset(const std::string& file_path, |
19 base::MemoryMappedFile::Region* region) { | 19 base::MemoryMappedFile::Region* region) { |
20 // The AAssetManager API of the NDK is does not expose a method for accessing | 20 // The AAssetManager API of the NDK is does not expose a method for accessing |
21 // raw resources :(. | 21 // raw resources :(. |
22 JNIEnv* env = base::android::AttachCurrentThread(); | 22 JNIEnv* env = base::android::AttachCurrentThread(); |
23 ScopedJavaLocalRef<jlongArray> jarr = Java_ApkAssets_open( | 23 ScopedJavaLocalRef<jlongArray> jarr = Java_ApkAssets_open( |
24 env, | 24 env, base::android::GetApplicationContext(), |
25 base::android::GetApplicationContext(), | 25 base::android::ConvertUTF8ToJavaString(env, file_path)); |
26 base::android::ConvertUTF8ToJavaString(env, file_path).obj()); | |
27 std::vector<jlong> results; | 26 std::vector<jlong> results; |
28 base::android::JavaLongArrayToLongVector(env, jarr.obj(), &results); | 27 base::android::JavaLongArrayToLongVector(env, jarr.obj(), &results); |
29 CHECK_EQ(3U, results.size()); | 28 CHECK_EQ(3U, results.size()); |
30 int fd = static_cast<int>(results[0]); | 29 int fd = static_cast<int>(results[0]); |
31 region->offset = results[1]; | 30 region->offset = results[1]; |
32 region->size = results[2]; | 31 region->size = results[2]; |
33 return fd; | 32 return fd; |
34 } | 33 } |
35 | 34 |
36 bool RegisterApkAssetWithGlobalDescriptors(base::GlobalDescriptors::Key key, | 35 bool RegisterApkAssetWithGlobalDescriptors(base::GlobalDescriptors::Key key, |
37 const std::string& file_path) { | 36 const std::string& file_path) { |
38 base::MemoryMappedFile::Region region = | 37 base::MemoryMappedFile::Region region = |
39 base::MemoryMappedFile::Region::kWholeFile; | 38 base::MemoryMappedFile::Region::kWholeFile; |
40 int asset_fd = OpenApkAsset(file_path, ®ion); | 39 int asset_fd = OpenApkAsset(file_path, ®ion); |
41 if (asset_fd != -1) { | 40 if (asset_fd != -1) { |
42 base::GlobalDescriptors::GetInstance()->Set(key, asset_fd, region); | 41 base::GlobalDescriptors::GetInstance()->Set(key, asset_fd, region); |
43 } | 42 } |
44 return asset_fd != -1; | 43 return asset_fd != -1; |
45 } | 44 } |
46 | 45 |
47 } // namespace android | 46 } // namespace android |
48 } // namespace base | 47 } // namespace base |
OLD | NEW |