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package com.android.systemui.statusbar.powerwidget;
import com.android.systemui.R;
import android.app.Activity;
import android.app.KeyguardManager;
import android.app.KeyguardManager.KeyguardLock;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.view.Gravity;
import android.widget.Toast;
public class LockScreenButton extends PowerButton {
private static Boolean LOCK_SCREEN_STATE = null;
private KeyguardLock mLock = null;
public LockScreenButton() { mType = BUTTON_LOCKSCREEN; }
@Override
protected void updateState() {
getState();
if (LOCK_SCREEN_STATE == null) {
mIcon = R.drawable.stat_lock_screen_off;
mState = STATE_INTERMEDIATE;
} else if (LOCK_SCREEN_STATE) {
mIcon = R.drawable.stat_lock_screen_on;
mState = STATE_ENABLED;
} else {
mIcon = R.drawable.stat_lock_screen_off;
mState = STATE_DISABLED;
}
}
@Override
protected void toggleState() {
Context context = mView.getContext();
getState();
if(LOCK_SCREEN_STATE == null) {
Toast msg = Toast.makeText(context, "Not yet initialized", Toast.LENGTH_LONG);
msg.setGravity(Gravity.CENTER, msg.getXOffset() / 2, msg.getYOffset() / 2);
msg.show();
} else {
getLock(context);
if (mLock != null) {
if (LOCK_SCREEN_STATE) {
mLock.disableKeyguard();
LOCK_SCREEN_STATE = false;
} else {
mLock.reenableKeyguard();
LOCK_SCREEN_STATE = true;
}
}
}
// we're handling this, so just update our buttons now
// this is UGLY, do it better later >.>
update();
}
@Override
protected boolean handleLongClick() {
Intent intent = new Intent("android.settings.SECURITY_SETTINGS");
intent.addCategory(Intent.CATEGORY_DEFAULT);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
mView.getContext().startActivity(intent);
return true;
}
private KeyguardLock getLock(Context context) {
if (mLock == null) {
KeyguardManager keyguardManager = (KeyguardManager)context.
getSystemService(Activity.KEYGUARD_SERVICE);
mLock = keyguardManager.newKeyguardLock(Context.KEYGUARD_SERVICE);
}
return mLock;
}
private static boolean getState() {
if (LOCK_SCREEN_STATE == null) {
LOCK_SCREEN_STATE = true;
}
return LOCK_SCREEN_STATE;
}
}
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