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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef ANDROID_WEBVIEW_NATIVE_AW_ASSETS_H_
      6 #define ANDROID_WEBVIEW_NATIVE_AW_ASSETS_H_
      7 
      8 #include <string>
      9 
     10 #include "base/android/jni_android.h"
     11 
     12 namespace android_webview {
     13 namespace AwAssets {
     14 
     15 // Called by native to retrieve an asset (e.g. a .pak file) from the apk.
     16 // Returns: true in case of success, false otherwise.
     17 // Output arguments:
     18 // - |fd|: file descriptor to the apk. The caller takes the ownership.
     19 // - |offset|: offset in bytes from the start of the file
     20 // - |size|: size in bytes of the asset / resource.
     21 bool OpenAsset(const std::string& filename,
     22                int* fd,
     23                int64* offset,
     24                int64* size);
     25 
     26 }  // namespace AwAssets
     27 
     28 bool RegisterAwAssets(JNIEnv* env);
     29 
     30 }  // namsespace android_webview
     31 
     32 #endif  // ANDROID_WEBVIEW_NATIVE_AW_ASSETS_H_
     33