The Tor Browser / file revision

 /*

  * Copyright (C) 2013 Square, Inc.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *      http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package com.squareup.picasso;

 import android.annotation.TargetApi;

 import android.content.ContentResolver;

 import android.content.Context;

 import android.content.UriMatcher;

 import android.graphics.Bitmap;

 import android.graphics.BitmapFactory;

 import android.net.Uri;

 import android.provider.ContactsContract;

 import java.io.IOException;

 import java.io.InputStream;

 import static android.os.Build.VERSION.SDK_INT;

 import static android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH;

 import static android.provider.ContactsContract.Contacts.openContactPhotoInputStream;

 import static com.squareup.picasso.Picasso.LoadedFrom.DISK;

 class ContactsPhotoBitmapHunter extends BitmapHunter {

   /** A lookup uri (e.g. content://com.android.contacts/contacts/lookup/3570i61d948d30808e537) */

   private static final int ID_LOOKUP = 1;

   /** A contact thumbnail uri (e.g. content://com.android.contacts/contacts/38/photo) */

   private static final int ID_THUMBNAIL = 2;

   /** A contact uri (e.g. content://com.android.contacts/contacts/38) */

   private static final int ID_CONTACT = 3;

   /**

    * A contact display photo (high resolution) uri

    * (e.g. content://com.android.contacts/display_photo/5)

    */

   private static final int ID_DISPLAY_PHOTO = 4;

   private static final UriMatcher matcher;

   static {

     matcher = new UriMatcher(UriMatcher.NO_MATCH);

     matcher.addURI(ContactsContract.AUTHORITY, "contacts/lookup/*/#", ID_LOOKUP);

     matcher.addURI(ContactsContract.AUTHORITY, "contacts/lookup/*", ID_LOOKUP);

     matcher.addURI(ContactsContract.AUTHORITY, "contacts/#/photo", ID_THUMBNAIL);

     matcher.addURI(ContactsContract.AUTHORITY, "contacts/#", ID_CONTACT);

     matcher.addURI(ContactsContract.AUTHORITY, "display_photo/#", ID_DISPLAY_PHOTO);

   }

   final Context context;

   ContactsPhotoBitmapHunter(Context context, Picasso picasso, Dispatcher dispatcher, Cache cache,

       Stats stats, Action action) {

     super(picasso, dispatcher, cache, stats, action);

     this.context = context;

   }

   @Override Bitmap decode(Request data) throws IOException {

     InputStream is = null;

     try {

       is = getInputStream();

       return decodeStream(is, data);

     } finally {

       Utils.closeQuietly(is);

     }

   }

   @Override Picasso.LoadedFrom getLoadedFrom() {

     return DISK;

   }

   private InputStream getInputStream() throws IOException {

     ContentResolver contentResolver = context.getContentResolver();

     Uri uri = getData().uri;

     switch (matcher.match(uri)) {

       case ID_LOOKUP:

         uri = ContactsContract.Contacts.lookupContact(contentResolver, uri);

         if (uri == null) {

           return null;

         }

         // Resolved the uri to a contact uri, intentionally fall through to process the resolved uri

       case ID_CONTACT:

         if (SDK_INT < ICE_CREAM_SANDWICH) {

           return openContactPhotoInputStream(contentResolver, uri);

         } else {

           return ContactPhotoStreamIcs.get(contentResolver, uri);

         }

       case ID_THUMBNAIL:

       case ID_DISPLAY_PHOTO:

         return contentResolver.openInputStream(uri);

       default:

         throw new IllegalStateException("Invalid uri: " + uri);

     }

   }

   private Bitmap decodeStream(InputStream stream, Request data) throws IOException {

     if (stream == null) {

       return null;

     }

     BitmapFactory.Options options = null;

     if (data.hasSize()) {

       options = new BitmapFactory.Options();

       options.inJustDecodeBounds = true;

       InputStream is = getInputStream();

       try {

         BitmapFactory.decodeStream(is, null, options);

       } finally {

         Utils.closeQuietly(is);

       }

       calculateInSampleSize(data.targetWidth, data.targetHeight, options);

     }

     return BitmapFactory.decodeStream(stream, null, options);

   }

   @TargetApi(ICE_CREAM_SANDWICH)

   private static class ContactPhotoStreamIcs {

     static InputStream get(ContentResolver contentResolver, Uri uri) {

       return openContactPhotoInputStream(contentResolver, uri, true);

     }

   }

 }