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      1 /*
      2  * Copyright (C) 2008 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.phone;
     18 
     19 import android.content.Context;
     20 import android.graphics.Rect;
     21 import android.graphics.drawable.Drawable;
     22 import android.util.AttributeSet;
     23 import android.util.Log;
     24 import android.view.FocusFinder;
     25 import android.view.KeyEvent;
     26 import android.view.MotionEvent;
     27 import android.view.View;
     28 import android.view.ViewConfiguration;
     29 import android.view.ViewGroup;
     30 import android.widget.LinearLayout;
     31 
     32 import java.util.ArrayList;
     33 
     34 /**
     35  * DTMFTwelveKeyDialerView is the view logic that the DTMFDialer uses.
     36  * This is really a thin wrapper around Linear Layout that intercepts
     37  * some user interactions to provide the correct UI behaviour for the
     38  * dialer.
     39  *
     40  * See dtmf_twelve_key_dialer_view.xml.
     41  */
     42 class DTMFTwelveKeyDialerView extends LinearLayout {
     43 
     44     private static final String LOG_TAG = "PHONE/DTMFTwelveKeyDialerView";
     45     private static final boolean DBG = false;
     46 
     47     private DTMFTwelveKeyDialer mDialer;
     48 
     49 
     50     public DTMFTwelveKeyDialerView (Context context) {
     51         super(context);
     52     }
     53 
     54     public DTMFTwelveKeyDialerView(Context context, AttributeSet attrs) {
     55         super(context, attrs);
     56     }
     57 
     58     void setDialer (DTMFTwelveKeyDialer dialer) {
     59         mDialer = dialer;
     60     }
     61 
     62     /**
     63      * Normally we ignore everything except for the BACK and CALL keys.
     64      * For those, we pass them to the model (and then the InCallScreen).
     65      */
     66     @Override
     67     public boolean dispatchKeyEvent(KeyEvent event) {
     68         if (DBG) log("dispatchKeyEvent(" + event + ")...");
     69 
     70         int keyCode = event.getKeyCode();
     71         if (mDialer != null) {
     72             switch (keyCode) {
     73                 case KeyEvent.KEYCODE_BACK:
     74                 case KeyEvent.KEYCODE_CALL:
     75                     return event.isDown() ? mDialer.onKeyDown(keyCode, event) :
     76                         mDialer.onKeyUp(keyCode, event);
     77             }
     78         }
     79 
     80         if (DBG) log("==> dispatchKeyEvent: forwarding event to the DTMFDialer");
     81         return super.dispatchKeyEvent(event);
     82     }
     83 
     84     private void log(String msg) {
     85         Log.d(LOG_TAG, msg);
     86     }
     87 }
     88