diff options
Diffstat (limited to 'src/com/android/camera/data/FixedFirstDataAdapter.java')
-rw-r--r-- | src/com/android/camera/data/FixedFirstDataAdapter.java | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/com/android/camera/data/FixedFirstDataAdapter.java b/src/com/android/camera/data/FixedFirstDataAdapter.java new file mode 100644 index 000000000..34ba0a1a0 --- /dev/null +++ b/src/com/android/camera/data/FixedFirstDataAdapter.java @@ -0,0 +1,154 @@ +/* + * 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.view.View; + +import com.android.camera.ui.FilmStripView; +import com.android.camera.ui.FilmStripView.DataAdapter; +import com.android.camera.ui.FilmStripView.ImageData; + +/** + * A {@link LocalDataAdapter} which puts a {@link LocalData} fixed at the first + * position. It's done by combining a {@link LocalData} and another + * {@link LocalDataAdapter}. + */ +public class FixedFirstDataAdapter extends AbstractLocalDataAdapterWrapper + implements DataAdapter.Listener { + + private final LocalData mFirstData; + private Listener mListener; + + /** + * Constructor. + * + * @param wrappedAdapter The {@link LocalDataAdapter} to be wrapped. + * @param firstData The {@link LocalData} to be placed at the first + * position. + */ + public FixedFirstDataAdapter( + LocalDataAdapter wrappedAdapter, + LocalData firstData) { + super(wrappedAdapter); + if (firstData == null) { + throw new AssertionError("data is null"); + } + mFirstData = firstData; + } + + @Override + public void removeData(Context context, int dataID) { + if (dataID > 0) { + mAdapter.removeData(context, dataID - 1); + } + } + + @Override + public int findDataByContentUri(Uri uri) { + int pos = mAdapter.findDataByContentUri(uri); + if (pos != -1) { + return pos + 1; + } + return -1; + } + + @Override + public int getTotalNumber() { + return (mAdapter.getTotalNumber() + 1); + } + + @Override + public View getView(Context context, int dataID) { + if (dataID == 0) { + return mFirstData.getView( + context, mSuggestedWidth, mSuggestedHeight, null); + } + return mAdapter.getView(context, dataID - 1); + } + + @Override + public ImageData getImageData(int dataID) { + if (dataID == 0) { + return mFirstData; + } + return mAdapter.getImageData(dataID - 1); + } + + @Override + public void onDataFullScreen(int dataID, boolean fullScreen) { + if (dataID == 0) { + mFirstData.onFullScreen(fullScreen); + } else { + mAdapter.onDataFullScreen(dataID - 1, fullScreen); + } + } + + @Override + public void onDataCentered(int dataID, boolean centered) { + if (dataID != 0) { + mAdapter.onDataCentered(dataID, centered); + } else { + // TODO: notify the data + } + } + + @Override + public void setListener(Listener listener) { + mListener = listener; + mAdapter.setListener((listener == null) ? null : this); + } + + @Override + public boolean canSwipeInFullScreen(int dataID) { + if (dataID == 0) { + return mFirstData.canSwipeInFullScreen(); + } + return mAdapter.canSwipeInFullScreen(dataID - 1); + } + + @Override + public void onDataLoaded() { + mListener.onDataLoaded(); + } + + @Override + public void onDataUpdated(final UpdateReporter reporter) { + mListener.onDataUpdated(new UpdateReporter() { + @Override + public boolean isDataRemoved(int dataID) { + return reporter.isDataRemoved(dataID + 1); + } + + @Override + public boolean isDataUpdated(int dataID) { + return reporter.isDataUpdated(dataID + 1); + } + }); + } + + @Override + public void onDataInserted(int dataID, ImageData data) { + mListener.onDataInserted(dataID + 1, data); + } + + @Override + public void onDataRemoved(int dataID, ImageData data) { + mListener.onDataRemoved(dataID + 1, data); + } +} |