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/*
* Copyright (C) 2015 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.settings.wifi;
import android.app.AppGlobals;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.IPackageManager;
import android.content.pm.PackageManager;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
import android.net.wifi.WifiConfiguration;
import android.os.RemoteException;
import android.os.UserHandle;
import android.preference.Preference;
import android.view.View;
import android.widget.TextView;
import com.android.settings.R;
import com.android.settingslib.wifi.AccessPoint;
public class AccessPointPreference extends Preference {
private static final int[] STATE_SECURED = {
R.attr.state_encrypted
};
private static final int[] STATE_NONE = {};
private static int[] wifi_signal_attributes = { R.attr.wifi_signal };
private TextView mSummaryView;
private boolean showSummary = true;
private AccessPoint mAccessPoint;
public AccessPointPreference(AccessPoint accessPoint, Context context) {
super(context);
mAccessPoint = accessPoint;
mAccessPoint.setTag(this);
refresh();
}
public AccessPoint getAccessPoint() {
return mAccessPoint;
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
updateIcon(mAccessPoint.getLevel(), getContext());
mSummaryView = (TextView) view.findViewById(com.android.internal.R.id.summary);
mSummaryView.setVisibility(showSummary ? View.VISIBLE : View.GONE);
notifyChanged();
}
public void showAppIcon() {
PackageManager pm = getContext().getPackageManager();
String systemName = pm.getNameForUid(android.os.Process.SYSTEM_UID);
WifiConfiguration mConfig = mAccessPoint.getConfig();
Drawable drawable = pm.getDefaultActivityIcon();
if (mConfig == null) {
drawable.setAlpha(0);
} else {
int userId = UserHandle.getUserId(mConfig.creatorUid);
ApplicationInfo appInfo = null;
if (mConfig.creatorName.equals(systemName)) {
appInfo = getContext().getApplicationInfo();
} else {
try {
IPackageManager ipm = AppGlobals.getPackageManager();
appInfo = ipm.getApplicationInfo(mConfig.creatorName, 0 /* flags */, userId);
} catch (RemoteException rex) {
// use default app icon
}
}
if (appInfo != null) {
drawable = appInfo.loadIcon(pm);
drawable = pm.getUserBadgedIcon(drawable, new UserHandle(userId));
}
}
setIcon(drawable);
}
protected void updateIcon(int level, Context context) {
if (level == -1) {
setIcon(null);
} else {
Drawable drawable = getIcon();
if (drawable == null) {
// To avoid a drawing race condition, we first set the state (SECURE/NONE) and then
// set the icon (drawable) to that state's drawable.
StateListDrawable sld = (StateListDrawable) context.getTheme()
.obtainStyledAttributes(wifi_signal_attributes).getDrawable(0);
// If sld is null then we are indexing and therefore do not have access to
// (nor need to display) the drawable.
if (sld != null) {
sld.setState((mAccessPoint.getSecurity() != AccessPoint.SECURITY_NONE)
? STATE_SECURED
: STATE_NONE);
drawable = sld.getCurrent();
setIcon(drawable);
}
}
if (drawable != null) {
drawable.setLevel(level);
}
}
}
/**
* Shows or Hides the Summary of an AccessPoint.
*
* @param showSummary true will show the summary, false will hide the summary
*/
public void setShowSummary(boolean showSummary) {
this.showSummary = showSummary;
if (mSummaryView != null) {
mSummaryView.setVisibility(showSummary ? View.VISIBLE : View.GONE);
} // otherwise, will be handled in onBindView.
}
/**
* Updates the title and summary; may indirectly call notifyChanged().
*/
public void refresh() {
setTitle(mAccessPoint.getSsid());
final Context context = getContext();
updateIcon(mAccessPoint.getLevel(), context);
// Force new summary
setSummary(null);
String summary = mAccessPoint.getSummary();
if (summary.length() > 0) {
setSummary(summary);
setShowSummary(true);
} else {
setShowSummary(false);
}
}
public void onLevelChanged() {
notifyChanged();
}
}
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