android_webview/native/aw_assets.h

   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_