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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 class DTMFTwelveKeyDialerView extends LinearLayout {
     41 
     42     private static final String LOG_TAG = "PHONE/DTMFTwelveKeyDialerView";
     43     private static final boolean DBG = false;
     44 
     45     private DTMFTwelveKeyDialer mDialer;
     46     private ButtonGridLayout mButtonGrid;
     47 
     48     public DTMFTwelveKeyDialerView (Context context) {
     49         super(context);
     50     }
     51 
     52     public DTMFTwelveKeyDialerView(Context context, AttributeSet attrs) {
     53         super(context, attrs);
     54     }
     55 
     56     void setDialer (DTMFTwelveKeyDialer dialer) {
     57         mDialer = dialer;
     58         mButtonGrid = (ButtonGridLayout)findViewById(R.id.dialpad);
     59     }
     60 
     61     /**
     62      * Normally we ignore everything except for the BACK and CALL keys.
     63      * For those, we pass them to the model (and then the InCallScreen).
     64      */
     65     @Override
     66     public boolean dispatchKeyEvent(KeyEvent event) {
     67         if (DBG) log("dispatchKeyEvent(" + event + ")...");
     68 
     69         int keyCode = event.getKeyCode();
     70         if (mDialer != null) {
     71             switch (keyCode) {
     72                 case KeyEvent.KEYCODE_BACK:
     73                 case KeyEvent.KEYCODE_CALL:
     74                     return event.isDown() ? mDialer.onKeyDown(keyCode, event) :
     75                         mDialer.onKeyUp(keyCode, event);
     76             }
     77         }
     78 
     79         if (DBG) log("==> dispatchKeyEvent: forwarding event to the DTMFDialer");
     80         return super.dispatchKeyEvent(event);
     81     }
     82 
     83     /**
     84      * Set the background of all the dialpad keys. Typically a selector to
     85      * change the background based on some combination of the
     86      * attributes.
     87      * @param resid Is a resource id to be used for each button's background.
     88      */
     89     public void setKeysBackgroundResource(int resid) {
     90         mButtonGrid.setChildrenBackgroundResource(resid);
     91     }
     92 
     93     private void log(String msg) {
     94         Log.d(LOG_TAG, msg);
     95     }
     96 
     97 }
     98