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/*
* Copyright (C) 2011 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.gallery3d.ui;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnDismissListener;
import android.text.format.Formatter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;
import com.android.gallery3d.R;
import com.android.gallery3d.app.GalleryActivity;
import com.android.gallery3d.common.Utils;
import com.android.gallery3d.data.MediaDetails;
import com.android.gallery3d.ui.DetailsAddressResolver.AddressResolvingListener;
import com.android.gallery3d.ui.DetailsHelper.CloseListener;
import com.android.gallery3d.ui.DetailsHelper.DetailsSource;
import com.android.gallery3d.ui.DetailsHelper.DetailsViewContainer;
import java.util.ArrayList;
import java.util.Map.Entry;
public class DialogDetailsView implements DetailsViewContainer {
@SuppressWarnings("unused")
private static final String TAG = "DialogDetailsView";
private final GalleryActivity mContext;
private DetailsAdapter mAdapter;
private MediaDetails mDetails;
private final DetailsSource mSource;
private int mIndex;
private Dialog mDialog;
private CloseListener mListener;
public DialogDetailsView(GalleryActivity activity, DetailsSource source) {
mContext = activity;
mSource = source;
}
public void show() {
reloadDetails(mSource.getIndex());
mDialog.show();
}
public void hide() {
mDialog.hide();
}
public void reloadDetails(int indexHint) {
int index = mSource.findIndex(indexHint);
if (index == -1) return;
MediaDetails details = mSource.getDetails();
if (details != null) {
if (mIndex == index && mDetails == details) return;
mIndex = index;
mDetails = details;
setDetails(details);
}
}
public boolean isVisible() {
return mDialog.isShowing();
}
private void setDetails(MediaDetails details) {
mAdapter = new DetailsAdapter(details);
String title = String.format(
mContext.getAndroidContext().getString(R.string.details_title),
mIndex + 1, mSource.size());
ListView detailsList = (ListView) LayoutInflater.from(mContext.getAndroidContext()).inflate(
R.layout.details_list, null, false);
detailsList.setAdapter(mAdapter);
mDialog = new AlertDialog.Builder((Activity) mContext)
.setView(detailsList)
.setTitle(title)
.setPositiveButton(R.string.close, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
mDialog.dismiss();
}
})
.create();
mDialog.setOnDismissListener(new OnDismissListener() {
public void onDismiss(DialogInterface dialog) {
if (mListener != null) {
mListener.onClose();
}
}
});
}
private class DetailsAdapter extends BaseAdapter implements AddressResolvingListener {
private final ArrayList<String> mItems;
private int mLocationIndex;
public DetailsAdapter(MediaDetails details) {
Context context = mContext.getAndroidContext();
mItems = new ArrayList<String>(details.size());
mLocationIndex = -1;
setDetails(context, details);
}
private void setDetails(Context context, MediaDetails details) {
for (Entry<Integer, Object> detail : details) {
String value;
switch (detail.getKey()) {
case MediaDetails.INDEX_LOCATION: {
double[] latlng = (double[]) detail.getValue();
mLocationIndex = mItems.size();
value = DetailsHelper.resolveAddress(mContext, latlng, this);
break;
}
case MediaDetails.INDEX_SIZE: {
value = Formatter.formatFileSize(
context, (Long) detail.getValue());
break;
}
case MediaDetails.INDEX_WHITE_BALANCE: {
value = "1".equals(detail.getValue())
? context.getString(R.string.manual)
: context.getString(R.string.auto);
break;
}
case MediaDetails.INDEX_FLASH: {
MediaDetails.FlashState flash =
(MediaDetails.FlashState) detail.getValue();
// TODO: camera doesn't fill in the complete values, show more information
// when it is fixed.
if (flash.isFlashFired()) {
value = context.getString(R.string.flash_on);
} else {
value = context.getString(R.string.flash_off);
}
break;
}
case MediaDetails.INDEX_EXPOSURE_TIME: {
value = (String) detail.getValue();
double time = Double.valueOf(value);
if (time < 1.0f) {
value = String.format("1/%d", (int) (0.5f + 1 / time));
} else {
int integer = (int) time;
time -= integer;
value = String.valueOf(integer) + "''";
if (time > 0.0001) {
value += String.format(" 1/%d", (int) (0.5f + 1 / time));
}
}
break;
}
default: {
Object valueObj = detail.getValue();
// This shouldn't happen, log its key to help us diagnose the problem.
Utils.assertTrue(valueObj != null, "%s's value is Null",
DetailsHelper.getDetailsName(context, detail.getKey()));
value = valueObj.toString();
}
}
int key = detail.getKey();
if (details.hasUnit(key)) {
value = String.format("%s : %s %s", DetailsHelper.getDetailsName(
context, key), value, context.getString(details.getUnit(key)));
} else {
value = String.format("%s : %s", DetailsHelper.getDetailsName(
context, key), value);
}
mItems.add(value);
}
}
@Override
public boolean areAllItemsEnabled() {
return false;
}
@Override
public boolean isEnabled(int position) {
return false;
}
public int getCount() {
return mItems.size();
}
public Object getItem(int position) {
return mDetails.getDetail(position);
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
TextView tv;
if (convertView == null) {
tv = (TextView) LayoutInflater.from(mContext.getAndroidContext()).inflate(
R.layout.details, parent, false);
} else {
tv = (TextView) convertView;
}
tv.setText(mItems.get(position));
return tv;
}
public void onAddressAvailable(String address) {
mItems.set(mLocationIndex, address);
notifyDataSetChanged();
}
}
public void setCloseListener(CloseListener listener) {
mListener = listener;
}
}
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