michael@0: /*
michael@0:  * Copyright (C) 2013 Square, Inc.
michael@0:  *
michael@0:  * Licensed under the Apache License, Version 2.0 (the "License");
michael@0:  * you may not use this file except in compliance with the License.
michael@0:  * You may obtain a copy of the License at
michael@0:  *
michael@0:  *      http://www.apache.org/licenses/LICENSE-2.0
michael@0:  *
michael@0:  * Unless required by applicable law or agreed to in writing, software
michael@0:  * distributed under the License is distributed on an "AS IS" BASIS,
michael@0:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0:  * See the License for the specific language governing permissions and
michael@0:  * limitations under the License.
michael@0:  */
michael@0: package com.squareup.picasso;
michael@0: 
michael@0: import android.annotation.TargetApi;
michael@0: import android.content.ContentResolver;
michael@0: import android.content.Context;
michael@0: import android.content.UriMatcher;
michael@0: import android.graphics.Bitmap;
michael@0: import android.graphics.BitmapFactory;
michael@0: import android.net.Uri;
michael@0: import android.provider.ContactsContract;
michael@0: 
michael@0: import java.io.IOException;
michael@0: import java.io.InputStream;
michael@0: 
michael@0: import static android.os.Build.VERSION.SDK_INT;
michael@0: import static android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH;
michael@0: import static android.provider.ContactsContract.Contacts.openContactPhotoInputStream;
michael@0: import static com.squareup.picasso.Picasso.LoadedFrom.DISK;
michael@0: 
michael@0: class ContactsPhotoBitmapHunter extends BitmapHunter {
michael@0:   /** A lookup uri (e.g. content://com.android.contacts/contacts/lookup/3570i61d948d30808e537) */
michael@0:   private static final int ID_LOOKUP = 1;
michael@0:   /** A contact thumbnail uri (e.g. content://com.android.contacts/contacts/38/photo) */
michael@0:   private static final int ID_THUMBNAIL = 2;
michael@0:   /** A contact uri (e.g. content://com.android.contacts/contacts/38) */
michael@0:   private static final int ID_CONTACT = 3;
michael@0:   /**
michael@0:    * A contact display photo (high resolution) uri
michael@0:    * (e.g. content://com.android.contacts/display_photo/5)
michael@0:    */
michael@0:   private static final int ID_DISPLAY_PHOTO = 4;
michael@0: 
michael@0:   private static final UriMatcher matcher;
michael@0: 
michael@0:   static {
michael@0:     matcher = new UriMatcher(UriMatcher.NO_MATCH);
michael@0:     matcher.addURI(ContactsContract.AUTHORITY, "contacts/lookup/*/#", ID_LOOKUP);
michael@0:     matcher.addURI(ContactsContract.AUTHORITY, "contacts/lookup/*", ID_LOOKUP);
michael@0:     matcher.addURI(ContactsContract.AUTHORITY, "contacts/#/photo", ID_THUMBNAIL);
michael@0:     matcher.addURI(ContactsContract.AUTHORITY, "contacts/#", ID_CONTACT);
michael@0:     matcher.addURI(ContactsContract.AUTHORITY, "display_photo/#", ID_DISPLAY_PHOTO);
michael@0:   }
michael@0: 
michael@0:   final Context context;
michael@0: 
michael@0:   ContactsPhotoBitmapHunter(Context context, Picasso picasso, Dispatcher dispatcher, Cache cache,
michael@0:       Stats stats, Action action) {
michael@0:     super(picasso, dispatcher, cache, stats, action);
michael@0:     this.context = context;
michael@0:   }
michael@0: 
michael@0:   @Override Bitmap decode(Request data) throws IOException {
michael@0:     InputStream is = null;
michael@0:     try {
michael@0:       is = getInputStream();
michael@0:       return decodeStream(is, data);
michael@0:     } finally {
michael@0:       Utils.closeQuietly(is);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   @Override Picasso.LoadedFrom getLoadedFrom() {
michael@0:     return DISK;
michael@0:   }
michael@0: 
michael@0:   private InputStream getInputStream() throws IOException {
michael@0:     ContentResolver contentResolver = context.getContentResolver();
michael@0:     Uri uri = getData().uri;
michael@0:     switch (matcher.match(uri)) {
michael@0:       case ID_LOOKUP:
michael@0:         uri = ContactsContract.Contacts.lookupContact(contentResolver, uri);
michael@0:         if (uri == null) {
michael@0:           return null;
michael@0:         }
michael@0:         // Resolved the uri to a contact uri, intentionally fall through to process the resolved uri
michael@0:       case ID_CONTACT:
michael@0:         if (SDK_INT < ICE_CREAM_SANDWICH) {
michael@0:           return openContactPhotoInputStream(contentResolver, uri);
michael@0:         } else {
michael@0:           return ContactPhotoStreamIcs.get(contentResolver, uri);
michael@0:         }
michael@0:       case ID_THUMBNAIL:
michael@0:       case ID_DISPLAY_PHOTO:
michael@0:         return contentResolver.openInputStream(uri);
michael@0:       default:
michael@0:         throw new IllegalStateException("Invalid uri: " + uri);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   private Bitmap decodeStream(InputStream stream, Request data) throws IOException {
michael@0:     if (stream == null) {
michael@0:       return null;
michael@0:     }
michael@0:     BitmapFactory.Options options = null;
michael@0:     if (data.hasSize()) {
michael@0:       options = new BitmapFactory.Options();
michael@0:       options.inJustDecodeBounds = true;
michael@0:       InputStream is = getInputStream();
michael@0:       try {
michael@0:         BitmapFactory.decodeStream(is, null, options);
michael@0:       } finally {
michael@0:         Utils.closeQuietly(is);
michael@0:       }
michael@0:       calculateInSampleSize(data.targetWidth, data.targetHeight, options);
michael@0:     }
michael@0:     return BitmapFactory.decodeStream(stream, null, options);
michael@0:   }
michael@0: 
michael@0:   @TargetApi(ICE_CREAM_SANDWICH)
michael@0:   private static class ContactPhotoStreamIcs {
michael@0:     static InputStream get(ContentResolver contentResolver, Uri uri) {
michael@0:       return openContactPhotoInputStream(contentResolver, uri, true);
michael@0:     }
michael@0:   }
michael@0: }