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/*
* 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.app.Activity;
import android.content.Context;
import android.net.Uri;
import android.view.View;
import com.android.camera.ui.FilmStripView;
/**
* 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 wrappedAdapter The {@link LocalDataAdapter} to be wrapped.
* @param lastData The {@link LocalData} to be placed at the last position.
*/
public FixedLastDataAdapter(
LocalDataAdapter wrappedAdapter,
LocalData lastData) {
super(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(Context context, int dataID) {
if (dataID < mAdapter.getTotalNumber()) {
mAdapter.removeData(context, 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(Activity activity, int dataID) {
int totalNumber = mAdapter.getTotalNumber();
if (dataID < totalNumber) {
return mAdapter.getView(activity, dataID);
} else if (dataID == totalNumber) {
return mLastData.getView(activity,
mSuggestedWidth, mSuggestedHeight, null, null);
}
return null;
}
@Override
public FilmStripView.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;
}
}
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