| /* |
| * Copyright (C) 2013 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.camera.data; |
| |
| import android.content.Context; |
| import android.net.Uri; |
| import android.os.AsyncTask; |
| import android.view.View; |
| |
| import com.android.camera.filmstrip.ImageData; |
| |
| /** |
| * A {@link LocalDataAdapter} which puts a {@link LocalData} fixed at the last |
| * position. It's done by combining a {@link LocalData} and another |
| * {@link LocalDataAdapter}. |
| */ |
| public class FixedLastDataAdapter extends AbstractLocalDataAdapterWrapper { |
| |
| private LocalData mLastData; |
| private Listener mListener; |
| |
| /** |
| * Constructor. |
| * |
| * @param context A valid Android context. |
| * @param wrappedAdapter The {@link LocalDataAdapter} to be wrapped. |
| * @param lastData The {@link LocalData} to be placed at the last position. |
| */ |
| public FixedLastDataAdapter( |
| Context context, |
| LocalDataAdapter wrappedAdapter, |
| LocalData lastData) { |
| super(context, wrappedAdapter); |
| if (lastData == null) { |
| throw new AssertionError("data is null"); |
| } |
| mLastData = lastData; |
| } |
| |
| @Override |
| public void setListener(Listener listener) { |
| super.setListener(listener); |
| mListener = listener; |
| } |
| |
| @Override |
| public LocalData getLocalData(int dataID) { |
| int totalNumber = mAdapter.getTotalNumber(); |
| |
| if (dataID < totalNumber) { |
| return mAdapter.getLocalData(dataID); |
| } else if (dataID == totalNumber) { |
| return mLastData; |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public void removeData(int dataID) { |
| if (dataID < mAdapter.getTotalNumber()) { |
| mAdapter.removeData(dataID); |
| } |
| } |
| |
| @Override |
| public int findDataByContentUri(Uri uri) { |
| return mAdapter.findDataByContentUri(uri); |
| } |
| |
| @Override |
| public void updateData(final int pos, LocalData data) { |
| int totalNumber = mAdapter.getTotalNumber(); |
| |
| if (pos < totalNumber) { |
| mAdapter.updateData(pos, data); |
| } else if (pos == totalNumber) { |
| mLastData = data; |
| if (mListener != null) { |
| mListener.onDataUpdated(new UpdateReporter() { |
| @Override |
| public boolean isDataRemoved(int dataID) { |
| return false; |
| } |
| |
| @Override |
| public boolean isDataUpdated(int dataID) { |
| return (dataID == pos); |
| } |
| }); |
| } |
| } |
| } |
| |
| @Override |
| public int getTotalNumber() { |
| return mAdapter.getTotalNumber() + 1; |
| } |
| |
| @Override |
| public View getView(Context context, View recycled, int dataID) { |
| int totalNumber = mAdapter.getTotalNumber(); |
| |
| if (dataID < totalNumber) { |
| return mAdapter.getView(context, recycled, dataID); |
| } else if (dataID == totalNumber) { |
| return mLastData.getView(context, recycled, |
| mSuggestedWidth, mSuggestedHeight, 0, null, false); |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public int getItemViewType(int dataId) { |
| int totalNumber = mAdapter.getTotalNumber(); |
| |
| if (dataId < totalNumber) { |
| return mAdapter.getItemViewType(dataId); |
| } else if (dataId == totalNumber) { |
| return mLastData.getItemViewType().ordinal(); |
| } |
| |
| return -1; |
| } |
| |
| @Override |
| public void resizeView(Context context, int dataID, View view, int w, int h) { |
| // Do nothing. |
| } |
| |
| @Override |
| public ImageData getImageData(int dataID) { |
| int totalNumber = mAdapter.getTotalNumber(); |
| |
| if (dataID < totalNumber) { |
| return mAdapter.getImageData(dataID); |
| } else if (dataID == totalNumber) { |
| return mLastData; |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean canSwipeInFullScreen(int dataID) { |
| int totalNumber = mAdapter.getTotalNumber(); |
| |
| if (dataID < totalNumber) { |
| return mAdapter.canSwipeInFullScreen(dataID); |
| } else if (dataID == totalNumber) { |
| return mLastData.canSwipeInFullScreen(); |
| } |
| return false; |
| } |
| |
| @Override |
| public AsyncTask updateMetadata(int dataId) { |
| if (dataId < mAdapter.getTotalNumber()) { |
| return mAdapter.updateMetadata(dataId); |
| } else { |
| MetadataLoader.loadMetadata(mContext, mLastData); |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean isMetadataUpdated(int dataId) { |
| if (dataId < mAdapter.getTotalNumber()) { |
| return mAdapter.isMetadataUpdated(dataId); |
| } else { |
| return MetadataLoader.isMetadataCached(mLastData); |
| } |
| } |
| } |