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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.systemui.statusbar.tablet;
     18 
     19 import android.app.ActivityManager;
     20 import android.content.Context;
     21 import android.content.res.TypedArray;
     22 import android.os.RemoteException;
     23 import android.util.AttributeSet;
     24 import android.util.Slog;
     25 import android.view.MotionEvent;
     26 import android.view.View;
     27 import android.widget.FrameLayout;
     28 import android.widget.ImageView;
     29 import android.widget.RadioButton;
     30 import android.widget.RadioGroup;
     31 
     32 import com.android.systemui.R;
     33 
     34 public class CompatModePanel extends FrameLayout implements StatusBarPanel,
     35         View.OnClickListener {
     36     private static final boolean DEBUG = TabletStatusBar.DEBUG;
     37     private static final String TAG = "CompatModePanel";
     38 
     39     private ActivityManager mAM;
     40 
     41     private boolean mAttached = false;
     42     private Context mContext;
     43     private RadioButton mOnButton, mOffButton;
     44 
     45     private View mTrigger;
     46 //    private InputMethodButton mInputMethodSwitchButton;
     47 
     48     public CompatModePanel(Context context, AttributeSet attrs) {
     49         super(context, attrs);
     50         mContext = context;
     51         mAM = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
     52     }
     53 
     54     @Override
     55     public void onFinishInflate() {
     56         mOnButton  = (RadioButton) findViewById(R.id.compat_mode_on_radio);
     57         mOffButton = (RadioButton) findViewById(R.id.compat_mode_off_radio);
     58         mOnButton.setOnClickListener(this);
     59         mOffButton.setOnClickListener(this);
     60 
     61         refresh();
     62     }
     63 
     64     @Override
     65     protected void onDetachedFromWindow() {
     66         super.onDetachedFromWindow();
     67         if (mAttached) {
     68             mAttached = false;
     69         }
     70     }
     71 
     72     @Override
     73     protected void onAttachedToWindow() {
     74         super.onAttachedToWindow();
     75         if (!mAttached) {
     76             mAttached = true;
     77         }
     78     }
     79 
     80     @Override
     81     public void onClick(View v) {
     82         if (v == mOnButton) {
     83             mAM.setFrontActivityScreenCompatMode(ActivityManager.COMPAT_MODE_ENABLED);
     84         } else if (v == mOffButton) {
     85             mAM.setFrontActivityScreenCompatMode(ActivityManager.COMPAT_MODE_DISABLED);
     86         }
     87     }
     88 
     89     @Override
     90     public boolean isInContentArea(int x, int y) {
     91         return false;
     92     }
     93 
     94     @Override
     95     public boolean dispatchHoverEvent(MotionEvent event) {
     96         // Ignore hover events outside of this panel bounds since such events
     97         // generate spurious accessibility events with the panel content when
     98         // tapping outside of it, thus confusing the user.
     99         final int x = (int) event.getX();
    100         final int y = (int) event.getY();
    101         if (x >= 0 && x < getWidth() && y >= 0 && y < getHeight()) {
    102             return super.dispatchHoverEvent(event);
    103         }
    104         return true;
    105     }
    106 
    107     public void setTrigger(View v) {
    108         mTrigger = v;
    109     }
    110 
    111     public void openPanel() {
    112         setVisibility(View.VISIBLE);
    113         if (mTrigger != null) mTrigger.setSelected(true);
    114         refresh();
    115     }
    116 
    117     public void closePanel() {
    118         setVisibility(View.GONE);
    119         if (mTrigger != null) mTrigger.setSelected(false);
    120     }
    121 
    122     private void refresh() {
    123         int mode = mAM.getFrontActivityScreenCompatMode();
    124         if (mode == ActivityManager.COMPAT_MODE_ALWAYS
    125                 || mode == ActivityManager.COMPAT_MODE_NEVER) {
    126             // No longer have something to switch.
    127             closePanel();
    128             return;
    129         }
    130         final boolean on = (mode == ActivityManager.COMPAT_MODE_ENABLED);
    131         mOnButton.setChecked(on);
    132         mOffButton.setChecked(!on);
    133     }
    134 }
    135