| 1 | // Copyright (c) 2013 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 | package org.chromium.content.browser; |
| 6 | |
| 7 | import android.content.Context; |
| 8 | import android.content.pm.PackageManager; |
| 9 | import android.media.MediaMetadataRetriever; |
| 10 | import android.net.ConnectivityManager; |
| 11 | import android.net.NetworkInfo; |
| 12 | import android.net.Uri; |
| 13 | import android.text.TextUtils; |
| 14 | import android.util.Log; |
| 15 | |
| 16 | import org.chromium.base.CalledByNative; |
| 17 | import org.chromium.base.JNINamespace; |
| 18 | import org.chromium.base.PathUtils; |
| 19 | |
| 20 | import java.io.File; |
| 21 | import java.util.HashMap; |
| 22 | |
| 23 | /** |
| 24 | * Java counterpart of android MediaResourceGetter. |
| 25 | */ |
| 26 | @JNINamespace("content") |
| 27 | class MediaResourceGetter { |
| 28 | |
| 29 | private static final String TAG = "MediaResourceGetter"; |
| 30 | |
| 31 | private static class MediaMetadata { |
| 32 | private final int mDurationInMilliseconds; |
| 33 | private final int mWidth; |
| 34 | private final int mHeight; |
| 35 | private final boolean mSuccess; |
| 36 | |
| 37 | private MediaMetadata(int durationInMilliseconds, int width, int height, boolean success) { |
| 38 | mDurationInMilliseconds = durationInMilliseconds; |
| 39 | mWidth = width; |
| 40 | mHeight = height; |
| 41 | mSuccess = success; |
| 42 | } |
| 43 | |
| 44 | @CalledByNative("MediaMetadata") |
| 45 | private int getDurationInMilliseconds() { return mDurationInMilliseconds; } |
| 46 | |
| 47 | @CalledByNative("MediaMetadata") |
| 48 | private int getWidth() { return mWidth; } |
| 49 | |
| 50 | @CalledByNative("MediaMetadata") |
| 51 | private int getHeight() { return mHeight; } |
| 52 | |
| 53 | @CalledByNative("MediaMetadata") |
| 54 | private boolean isSuccess() { return mSuccess; } |
| 55 | } |
| 56 | |
| 57 | @CalledByNative |
| 58 | private static MediaMetadata extractMediaMetadata(Context context, String url, String cookies) { |
| 59 | int durationInMilliseconds = 0; |
| 60 | int width = 0; |
| 61 | int height = 0; |
| 62 | boolean success = false; |
| 63 | // TODO(qinmin): use ConnectionTypeObserver to listen to the network type change. |
| 64 | ConnectivityManager mConnectivityManager = |
| 65 | (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); |
| 66 | if (mConnectivityManager != null) { |
| 67 | if (context.checkCallingOrSelfPermission( |
| 68 | android.Manifest.permission.ACCESS_NETWORK_STATE) != |
| 69 | PackageManager.PERMISSION_GRANTED) { |
| 70 | return new MediaMetadata(0, 0, 0, false); |
| 71 | } |
| 72 | |
| 73 | NetworkInfo info = mConnectivityManager.getActiveNetworkInfo(); |
| 74 | if (info == null) { |
| 75 | return new MediaMetadata(durationInMilliseconds, width, height, success); |
| 76 | } |
| 77 | switch (info.getType()) { |
| 78 | case ConnectivityManager.TYPE_ETHERNET: |
| 79 | case ConnectivityManager.TYPE_WIFI: |
| 80 | break; |
| 81 | case ConnectivityManager.TYPE_WIMAX: |
| 82 | case ConnectivityManager.TYPE_MOBILE: |
| 83 | default: |
| 84 | return new MediaMetadata(durationInMilliseconds, width, height, success); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | MediaMetadataRetriever retriever = new MediaMetadataRetriever(); |
| 89 | try { |
| 90 | Uri uri = Uri.parse(url); |
| 91 | String scheme = uri.getScheme(); |
| 92 | if (scheme == null || scheme.equals("file")) { |
| 93 | File file = new File(uri.getPath()); |
| 94 | String path = file.getAbsolutePath(); |
| 95 | if (file.exists() && (path.startsWith("/mnt/sdcard/") || |
| 96 | path.startsWith("/sdcard/") || |
| 97 | path.startsWith(PathUtils.getExternalStorageDirectory()))) { |
| 98 | retriever.setDataSource(path); |
| 99 | } else { |
| 100 | Log.e(TAG, "Unable to read file: " + url); |
| 101 | return new MediaMetadata(durationInMilliseconds, width, height, success); |
| 102 | } |
| 103 | } else { |
| 104 | HashMap<String, String> headersMap = new HashMap<String, String>(); |
| 105 | if (!TextUtils.isEmpty(cookies)) { |
| 106 | headersMap.put("Cookie", cookies); |
| 107 | } |
| 108 | retriever.setDataSource(url, headersMap); |
| 109 | } |
| 110 | String duration = retriever.extractMetadata( |
| 111 | MediaMetadataRetriever.METADATA_KEY_DURATION); |
| 112 | String videoWidth = retriever.extractMetadata( |
| 113 | MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH); |
| 114 | String videoHeight = retriever.extractMetadata( |
| 115 | MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT); |
| 116 | if (duration == null || videoWidth == null || videoHeight == null) { |
| 117 | return new MediaMetadata(durationInMilliseconds, width, height, success); |
| 118 | } |
| 119 | durationInMilliseconds = Integer.parseInt(duration); |
| 120 | width = Integer.parseInt(videoWidth); |
| 121 | height = Integer.parseInt(videoHeight); |
| 122 | success = true; |
| 123 | } catch (IllegalArgumentException e) { |
| 124 | Log.e(TAG, "Invalid url: " + e); |
| 125 | } catch (RuntimeException e) { |
| 126 | Log.e(TAG, "Invalid url: " + e); |
| 127 | } |
| 128 | return new MediaMetadata(durationInMilliseconds, width, height, success); |
| 129 | } |
| 130 | } |