| /* |
| * Copyright (C) 2011 Google Inc. |
| * Licensed to The Android Open Source Project. |
| * |
| * 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.android.ex.photo.adapters; |
| |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.content.Context; |
| import android.database.Cursor; |
| |
| import com.android.ex.photo.Intents; |
| import com.android.ex.photo.Intents.PhotoViewIntentBuilder; |
| import com.android.ex.photo.fragments.PhotoViewFragment; |
| import com.android.ex.photo.provider.PhotoContract; |
| |
| /** |
| * Pager adapter for the photo view |
| */ |
| public class PhotoPagerAdapter extends BaseCursorPagerAdapter { |
| private int mContentUriIndex; |
| private int mThumbnailUriIndex; |
| private float mMaxScale; |
| |
| public PhotoPagerAdapter(Context context, FragmentManager fm, Cursor c, float maxScale) { |
| super(context, fm, c); |
| mMaxScale = maxScale; |
| } |
| |
| @Override |
| public Fragment getItem(Context context, Cursor cursor, int position) { |
| final String photoUri = cursor.getString(mContentUriIndex); |
| final String thumbnailUri = cursor.getString(mThumbnailUriIndex); |
| |
| // create new PhotoViewFragment |
| final PhotoViewIntentBuilder builder = |
| Intents.newPhotoViewFragmentIntentBuilder(mContext); |
| builder |
| .setResolvedPhotoUri(photoUri) |
| .setThumbnailUri(thumbnailUri) |
| .setMaxInitialScale(mMaxScale); |
| |
| return new PhotoViewFragment(builder.build(), position, this); |
| } |
| |
| @Override |
| public Cursor swapCursor(Cursor newCursor) { |
| if (newCursor != null) { |
| mContentUriIndex = |
| newCursor.getColumnIndex(PhotoContract.PhotoViewColumns.CONTENT_URI); |
| mThumbnailUriIndex = |
| newCursor.getColumnIndex(PhotoContract.PhotoViewColumns.THUMBNAIL_URI); |
| } else { |
| mContentUriIndex = -1; |
| mThumbnailUriIndex = -1; |
| } |
| |
| return super.swapCursor(newCursor); |
| } |
| |
| public String getPhotoUri(Cursor cursor) { |
| return cursor.getString(mContentUriIndex); |
| } |
| } |