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/*
* Copyright (C) 2010 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.ui;
import com.android.camera.IconListPreference;
import com.android.camera.R;
import android.content.Context;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.ViewGroup;
// An indicator button that represents one camera setting. Ex: flash. Pressing it opens a popup
// window.
public class IndicatorButton extends AbstractIndicatorButton implements BasicSettingPopup.Listener {
private final String TAG = "IndicatorButton";
private IconListPreference mPreference;
// Scene mode can override the original preference value.
private String mOverrideValue;
private Listener mListener;
static public interface Listener {
public void onSettingChanged();
}
public void setSettingChangedListener(Listener listener) {
mListener = listener;
}
public IndicatorButton(Context context, IconListPreference pref) {
super(context);
mPreference = pref;
reloadPreference();
}
@Override
public void reloadPreference() {
int[] iconIds = mPreference.getLargeIconIds();
if (iconIds != null) {
// Each entry has a corresponding icon.
int index;
if (mOverrideValue == null) {
index = mPreference.findIndexOfValue(mPreference.getValue());
} else {
index = mPreference.findIndexOfValue(mOverrideValue);
if (index == -1) {
// Avoid the crash if camera driver has bugs.
Log.e(TAG, "Fail to find override value=" + mOverrideValue);
mPreference.print();
return;
}
}
setImageResource(iconIds[index]);
} else {
// The preference only has a single icon to represent it.
setImageResource(mPreference.getSingleIcon());
}
super.reloadPreference();
}
public String getKey() {
return mPreference.getKey();
}
@Override
public boolean isOverridden() {
return mOverrideValue != null;
}
@Override
public void overrideSettings(final String ... keyvalues) {
mOverrideValue = null;
for (int i = 0; i < keyvalues.length; i += 2) {
String key = keyvalues[i];
String value = keyvalues[i + 1];
if (key.equals(getKey())) {
mOverrideValue = value;
setEnabled(value == null);
break;
}
}
reloadPreference();
}
@Override
protected void initializePopup() {
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
ViewGroup root = (ViewGroup) getRootView().findViewById(R.id.frame);
BasicSettingPopup popup = (BasicSettingPopup) inflater.inflate(
R.layout.basic_setting_popup, root, false);
popup.setSettingChangedListener(this);
popup.initialize(mPreference);
root.addView(popup);
mPopup = popup;
}
@Override
public void onSettingChanged() {
reloadPreference();
// Dismiss later so the activated state can be updated before dismiss.
dismissPopupDelayed();
if (mListener != null) {
mListener.onSettingChanged();
}
}
}
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