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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.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);
}
}
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