/*
* 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.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.AbstractGalleryActivity;
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 com.android.gallery3d.ui.DetailsHelper.ResolutionResolvingListener;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Locale;
import java.util.Map.Entry;
public class DialogDetailsView implements DetailsViewContainer {
@SuppressWarnings("unused")
private static final String TAG = "DialogDetailsView";
private final AbstractGalleryActivity mActivity;
private DetailsAdapter mAdapter;
private MediaDetails mDetails;
private final DetailsSource mSource;
private int mIndex;
private Dialog mDialog;
private CloseListener mListener;
public DialogDetailsView(AbstractGalleryActivity activity, DetailsSource source) {
mActivity = activity;
mSource = source;
}
@Override
public void show() {
reloadDetails();
mDialog.show();
}
@Override
public void hide() {
mDialog.hide();
}
@Override
public void reloadDetails() {
int index = mSource.setIndex();
if (index == -1) return;
MediaDetails details = mSource.getDetails();
if (details != null) {
if (mIndex == index && mDetails == details) return;
mIndex = index;
mDetails = details;
setDetails(details);
}
}
private void setDetails(MediaDetails details) {
mAdapter = new DetailsAdapter(details);
String title = String.format(
mActivity.getAndroidContext().getString(R.string.details_title),
mIndex + 1, mSource.size());
ListView detailsList = (ListView) LayoutInflater.from(mActivity.getAndroidContext()).inflate(
R.layout.details_list, null, false);
detailsList.setAdapter(mAdapter);
mDialog = new AlertDialog.Builder(mActivity)
.setView(detailsList)
.setTitle(title)
.setPositiveButton(R.string.close, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int whichButton) {
mDialog.dismiss();
}
})
.create();
mDialog.setOnDismissListener(new OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
if (mListener != null) {
mListener.onClose();
}
}
});
}
private class DetailsAdapter extends BaseAdapter
implements AddressResolvingListener, ResolutionResolvingListener {
private final ArrayList<String> mItems;
private int mLocationIndex;
private final Locale mDefaultLocale = Locale.getDefault();
private final DecimalFormat mDecimalFormat = new DecimalFormat(".####");
private int mWidthIndex = -1;
private int mHeightIndex = -1;
public DetailsAdapter(MediaDetails details) {
Context context = mActivity.getAndroidContext();
mItems = new ArrayList<String>(details.size());
mLocationIndex = -1;
setDetails(context, details);
}
private void setDetails(Context context, MediaDetails details) {
boolean resolutionIsValid = true;
String path = null;
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(mActivity, 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(mDefaultLocale, "%d/%d", 1,
(int) (0.5f + 1 / time));
} else {
int integer = (int) time;
time -= integer;
value = String.valueOf(integer) + "''";
if (time > 0.0001) {
value += String.format(mDefaultLocale, " %d/%d", 1,
(int) (0.5f + 1 / time));
}
}
break;
}
case MediaDetails.INDEX_WIDTH:
mWidthIndex = mItems.size();
if (detail.getValue().toString().equalsIgnoreCase("0")) {
value = context.getString(R.string.unknown);
resolutionIsValid = false;
} else {
value = toLocalInteger(detail.getValue());
}
break;
case MediaDetails.INDEX_HEIGHT: {
mHeightIndex = mItems.size();
if (detail.getValue().toString().equalsIgnoreCase("0")) {
value = context.getString(R.string.unknown);
resolutionIsValid = false;
} else {
value = toLocalInteger(detail.getValue());
}
break;
}
case MediaDetails.INDEX_PATH:
// Prepend the new-line as a) paths are usually long, so
// the formatting is better and b) an RTL UI will see it
// as a separate section and interpret it for what it
// is, rather than trying to make it RTL (which messes
// up the path).
value = "\n" + detail.getValue().toString();
path = detail.getValue().toString();
break;
case MediaDetails.INDEX_ISO:
value = toLocalNumber(Integer.parseInt((String) detail.getValue()));
break;
case MediaDetails.INDEX_FOCAL_LENGTH:
double focalLength = Double.parseDouble(detail.getValue().toString());
value = toLocalNumber(focalLength);
break;
case MediaDetails.INDEX_ORIENTATION:
value = toLocalInteger(detail.getValue());
break;
default: {
Object valueObj = detail.getValue();
// This shouldn't happen, log its key to help us diagnose the problem.
if (valueObj == null) {
Utils.fail("%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);
}
if (!resolutionIsValid) {
DetailsHelper.resolveResolution(path, this);
}
}
@Override
public boolean areAllItemsEnabled() {
return false;
}
@Override
public boolean isEnabled(int position) {
return false;
}
@Override
public int getCount() {
return mItems.size();
}
@Override
public Object getItem(int position) {
return mDetails.getDetail(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
TextView tv;
if (convertView == null) {
tv = (TextView) LayoutInflater.from(mActivity.getAndroidContext()).inflate(
R.layout.details, parent, false);
} else {
tv = (TextView) convertView;
}
tv.setText(mItems.get(position));
return tv;
}
@Override
public void onAddressAvailable(String address) {
mItems.set(mLocationIndex, address);
notifyDataSetChanged();
}
@Override
public void onResolutionAvailable(int width, int height) {
if (width == 0 || height == 0) return;
// Update the resolution with the new width and height
Context context = mActivity.getAndroidContext();
String widthString = String.format(mDefaultLocale, "%s: %d",
DetailsHelper.getDetailsName(
context, MediaDetails.INDEX_WIDTH), width);
String heightString = String.format(mDefaultLocale, "%s: %d",
DetailsHelper.getDetailsName(
context, MediaDetails.INDEX_HEIGHT), height);
mItems.set(mWidthIndex, String.valueOf(widthString));
mItems.set(mHeightIndex, String.valueOf(heightString));
notifyDataSetChanged();
}
/**
* Converts the given integer (given as String or Integer object) to a
* localized String version.
*/
private String toLocalInteger(Object valueObj) {
if (valueObj instanceof Integer) {
return toLocalNumber((Integer) valueObj);
} else {
String value = valueObj.toString();
try {
value = toLocalNumber(Integer.parseInt(value));
} catch (NumberFormatException ex) {
// Just keep the current "value" if we cannot
// parse it as a fallback.
}
return value;
}
}
/** Converts the given integer to a localized String version. */
private String toLocalNumber(int n) {
return String.format(mDefaultLocale, "%d", n);
}
/** Converts the given double to a localized String version. */
private String toLocalNumber(double n) {
return mDecimalFormat.format(n);
}
}
@Override
public void setCloseListener(CloseListener listener) {
mListener = listener;
}
}