src/com/android/car/dialer/DialerFragment.java - platform/packages/apps/Car/Dialer - Git at Google

 /*
  * 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.car.dialer;

 import android.content.Context;
 import android.media.AudioManager;
 import android.media.ToneGenerator;
 import android.os.Bundle;
 import android.os.Handler;
 import android.support.v4.app.Fragment;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 import com.android.car.apps.common.FabDrawable;
 import com.android.car.dialer.telecom.TelecomUtils;
 import com.android.car.dialer.telecom.UiCallManager;
 import com.android.car.dialer.telecom.UiCallManager.CallListener;

 /**
  * Fragment that controls the dialpad.
  */
 public class DialerFragment extends Fragment {
     private static final String TAG = "Em.DialerFragment";
     private static final String INPUT_ACTIVE_KEY = "INPUT_ACTIVE_KEY";
     private static final int TONE_RELATIVE_VOLUME = 80;
     private static final int ABANDON_AUDIO_FOCUS_DELAY_MS = 250;
     private static final int MAX_DIAL_NUMBER = 20;
     private static final int NO_TONE = -1;

     private static final ArrayMap<Integer, Integer> mToneMap = new ArrayMap<>();

     static {
         mToneMap.put(KeyEvent.KEYCODE_1, ToneGenerator.TONE_DTMF_1);
         mToneMap.put(KeyEvent.KEYCODE_2, ToneGenerator.TONE_DTMF_2);
         mToneMap.put(KeyEvent.KEYCODE_3, ToneGenerator.TONE_DTMF_3);
         mToneMap.put(KeyEvent.KEYCODE_4, ToneGenerator.TONE_DTMF_4);
         mToneMap.put(KeyEvent.KEYCODE_5, ToneGenerator.TONE_DTMF_5);
         mToneMap.put(KeyEvent.KEYCODE_6, ToneGenerator.TONE_DTMF_6);
         mToneMap.put(KeyEvent.KEYCODE_7, ToneGenerator.TONE_DTMF_7);
         mToneMap.put(KeyEvent.KEYCODE_8, ToneGenerator.TONE_DTMF_8);
         mToneMap.put(KeyEvent.KEYCODE_9, ToneGenerator.TONE_DTMF_9);
         mToneMap.put(KeyEvent.KEYCODE_0, ToneGenerator.TONE_DTMF_0);
         mToneMap.put(KeyEvent.KEYCODE_STAR, ToneGenerator.TONE_DTMF_S);
         mToneMap.put(KeyEvent.KEYCODE_POUND, ToneGenerator.TONE_DTMF_P);
     }

     private Context mContext;
     private UiCallManager mUiCallManager;
     private final StringBuffer mNumber = new StringBuffer(MAX_DIAL_NUMBER);
     private AudioManager mAudioManager;
     private ToneGenerator mToneGenerator;
     private final Handler mHandler = new Handler();
     private final Object mToneGeneratorLock = new Object();
     private TextView mNumberView;
     private boolean mShowInput = true;
     private Runnable mPendingRunnable;

     private DialerBackButtonListener mBackListener;

     /**
      * Interface for a class that will be notified when the back button of the dialer has been
      * clicked.
      */
     public interface DialerBackButtonListener {
         /**
          * Called when the back button has been clicked on the dialer. This action should dismiss
          * the dialer fragment.
          */
         void onDialerBackClick();
     }

     public static DialerFragment newInstance(UiCallManager callManager) {
         DialerFragment fragment = new DialerFragment();
         fragment.mUiCallManager = callManager;
         return fragment;
     }

     /**
      * Sets the given {@link DialerBackButtonListener} to be notified whenever the back button
      * on the dialer has been clicked. Passing {@code null} to this method will clear all listeners.
      */
     public void setDialerBackButtonListener(DialerBackButtonListener listener) {
         mBackListener = listener;
     }

     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         mAudioManager =
                 (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);
         if (savedInstanceState != null && savedInstanceState.containsKey(INPUT_ACTIVE_KEY)) {
             mShowInput = savedInstanceState.getBoolean(INPUT_ACTIVE_KEY);
         }
     }

     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
         if (Log.isLoggable(TAG, Log.DEBUG)) {
             Log.d(TAG, "onCreateView");
         }

         mContext = getContext();
         View view = inflater.inflate(R.layout.dialer_fragment, container, false);

         if (Log.isLoggable(TAG, Log.VERBOSE)) {
             Log.v(TAG, "onCreateView: inflated successfully");
         }

         view.findViewById(R.id.exit_dialer_button).setOnClickListener((unusedView) -> {
             if (mBackListener != null) {
                 mBackListener.onDialerBackClick();
             }
         });

         mNumberView = (TextView) view.findViewById(R.id.number);
         final boolean hasTouch = getResources().getBoolean(R.bool.has_touch);

         if (Log.isLoggable(TAG, Log.VERBOSE)) {
             Log.v(TAG, "hasTouch: " + hasTouch + ", mShowInput: " + mShowInput);
         }

         if (hasTouch) {
             // Only show the delete and call buttons in touch mode.
             // Buttons are in rotary input itself.
             View callButton = view.findViewById(R.id.call);
             FabDrawable answerCallDrawable = new FabDrawable(mContext);
             answerCallDrawable.setFabAndStrokeColor(getResources().getColor(R.color.phone_call));
             callButton.setBackground(answerCallDrawable);
             callButton.setVisibility(View.VISIBLE);
             callButton.setOnClickListener((unusedView) -> {
                 if (Log.isLoggable(TAG, Log.DEBUG)) {
                     Log.d(TAG, "Call button clicked, placing a call: " + mNumber.toString());
                 }

                 if (!TextUtils.isEmpty(mNumber.toString())) {
                     mUiCallManager.safePlaceCall(mNumber.toString(), false);
                 }
             });
             View deleteButton = view.findViewById(R.id.delete);
             deleteButton.setVisibility(View.VISIBLE);
             deleteButton.setOnClickListener((unusedView) -> {
                 if (mNumber.length() != 0) {
                     mNumber.deleteCharAt(mNumber.length() - 1);
                     mNumberView.setText(getFormattedNumber(mNumber.toString()));
                 }
             });
         }

         setupKeypad(view);

         return view;
     }

     /**
      * The default click listener for all dialpad buttons. This click listener will append its
      * associated value to {@link #mNumber}.
      */
     private class DialpadClickListener implements View.OnClickListener {
         private String mValue;

         public DialpadClickListener(String value) {
             mValue = value;
         }

         @Override
         public void onClick(View v) {
             mNumber.append(mValue);
             mNumberView.setText(getFormattedNumber(mNumber.toString()));
         }
     };

     /**
      * Sets up the click listeners for all the dialpad buttons.
      */
     private void setupKeypad(View parent) {
         parent.findViewById(R.id.zero).setOnClickListener(new DialpadClickListener("0"));
         parent.findViewById(R.id.one).setOnClickListener(new DialpadClickListener("1"));
         parent.findViewById(R.id.two).setOnClickListener(new DialpadClickListener("2"));
         parent.findViewById(R.id.three).setOnClickListener(new DialpadClickListener("3"));
         parent.findViewById(R.id.four).setOnClickListener(new DialpadClickListener("4"));
         parent.findViewById(R.id.five).setOnClickListener(new DialpadClickListener("5"));
         parent.findViewById(R.id.six).setOnClickListener(new DialpadClickListener("6"));
         parent.findViewById(R.id.seven).setOnClickListener(new DialpadClickListener("7"));
         parent.findViewById(R.id.eight).setOnClickListener(new DialpadClickListener("8"));
         parent.findViewById(R.id.nine).setOnClickListener(new DialpadClickListener("9"));
         parent.findViewById(R.id.star).setOnClickListener(new DialpadClickListener("*"));
         parent.findViewById(R.id.pound).setOnClickListener(new DialpadClickListener("#"));
     }

     @Override
     public void onResume() {
         super.onResume();
         synchronized (mToneGeneratorLock) {
             if (mToneGenerator == null) {
                 mToneGenerator = new ToneGenerator(AudioManager.STREAM_MUSIC, TONE_RELATIVE_VOLUME);
             }
         }
         mUiCallManager.addListener(mCallListener);

         if (mPendingRunnable != null) {
             mPendingRunnable.run();
             mPendingRunnable = null;
         }
     }

     @Override
     public void onPause() {
         super.onPause();
         mUiCallManager.removeListener(mCallListener);
         stopTone();
         synchronized (mToneGeneratorLock) {
             if (mToneGenerator != null) {
                 mToneGenerator.release();
                 mToneGenerator = null;
             }
         }
     }

     @Override
     public void onDestroyView() {
         super.onDestroyView();
         mContext = null;
         mNumberView = null;
     }

     public void setDialNumber(final String number) {
         if (TextUtils.isEmpty(number)) {
             return;
         }

         if (mContext != null && mNumberView != null) {
             setDialNumberInternal(number);
         } else {
             mPendingRunnable = () -> setDialNumberInternal(number);
         }
     }

     private void setDialNumberInternal(final String number) {
         // Clear existing content in mNumber.
         mNumber.setLength(0);
         mNumber.append(number);
         mNumberView.setText(getFormattedNumber(mNumber.toString()));
     }

     private void stopTone() {
         synchronized (mToneGeneratorLock) {
             if (mToneGenerator == null) {
                 Log.w(TAG, "stopTone: mToneGenerator == null");
                 return;
             }
             mToneGenerator.stopTone();
             mHandler.postDelayed(mDelayedAbandonAudioFocusRunnable, ABANDON_AUDIO_FOCUS_DELAY_MS);
         }
     }

     private final Runnable mDelayedAbandonAudioFocusRunnable = new Runnable() {
         @Override
         public void run() {
             mAudioManager.abandonAudioFocus(null);
         }
     };

     private String getFormattedNumber(String number) {
         return TelecomUtils.getFormattedNumber(mContext, number);
     }

     private final CallListener mCallListener = new CallListener() {
         @Override
         public void dispatchPhoneKeyEvent(KeyEvent event) {
             if (event.getKeyCode() == KeyEvent.KEYCODE_CALL &&
                     event.getAction() == KeyEvent.ACTION_UP &&
                     !TextUtils.isEmpty(mNumber.toString())) {
                 mUiCallManager.safePlaceCall(mNumber.toString(), false);
             }
         }
     };
 }
	/*
	* 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.car.dialer;

	import android.content.Context;
	import android.media.AudioManager;
	import android.media.ToneGenerator;
	import android.os.Bundle;
	import android.os.Handler;
	import android.support.v4.app.Fragment;
	import android.text.TextUtils;
	import android.util.ArrayMap;
	import android.util.Log;
	import android.view.KeyEvent;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.widget.TextView;
	import com.android.car.apps.common.FabDrawable;
	import com.android.car.dialer.telecom.TelecomUtils;
	import com.android.car.dialer.telecom.UiCallManager;
	import com.android.car.dialer.telecom.UiCallManager.CallListener;

	/**
	* Fragment that controls the dialpad.
	*/
	public class DialerFragment extends Fragment {
	private static final String TAG = "Em.DialerFragment";
	private static final String INPUT_ACTIVE_KEY = "INPUT_ACTIVE_KEY";
	private static final int TONE_RELATIVE_VOLUME = 80;
	private static final int ABANDON_AUDIO_FOCUS_DELAY_MS = 250;
	private static final int MAX_DIAL_NUMBER = 20;
	private static final int NO_TONE = -1;

	private static final ArrayMap<Integer, Integer> mToneMap = new ArrayMap<>();

	static {
	mToneMap.put(KeyEvent.KEYCODE_1, ToneGenerator.TONE_DTMF_1);
	mToneMap.put(KeyEvent.KEYCODE_2, ToneGenerator.TONE_DTMF_2);
	mToneMap.put(KeyEvent.KEYCODE_3, ToneGenerator.TONE_DTMF_3);
	mToneMap.put(KeyEvent.KEYCODE_4, ToneGenerator.TONE_DTMF_4);
	mToneMap.put(KeyEvent.KEYCODE_5, ToneGenerator.TONE_DTMF_5);
	mToneMap.put(KeyEvent.KEYCODE_6, ToneGenerator.TONE_DTMF_6);
	mToneMap.put(KeyEvent.KEYCODE_7, ToneGenerator.TONE_DTMF_7);
	mToneMap.put(KeyEvent.KEYCODE_8, ToneGenerator.TONE_DTMF_8);
	mToneMap.put(KeyEvent.KEYCODE_9, ToneGenerator.TONE_DTMF_9);
	mToneMap.put(KeyEvent.KEYCODE_0, ToneGenerator.TONE_DTMF_0);
	mToneMap.put(KeyEvent.KEYCODE_STAR, ToneGenerator.TONE_DTMF_S);
	mToneMap.put(KeyEvent.KEYCODE_POUND, ToneGenerator.TONE_DTMF_P);
	}

	private Context mContext;
	private UiCallManager mUiCallManager;
	private final StringBuffer mNumber = new StringBuffer(MAX_DIAL_NUMBER);
	private AudioManager mAudioManager;
	private ToneGenerator mToneGenerator;
	private final Handler mHandler = new Handler();
	private final Object mToneGeneratorLock = new Object();
	private TextView mNumberView;
	private boolean mShowInput = true;
	private Runnable mPendingRunnable;

	private DialerBackButtonListener mBackListener;

	/**
	* Interface for a class that will be notified when the back button of the dialer has been
	* clicked.
	*/
	public interface DialerBackButtonListener {
	/**
	* Called when the back button has been clicked on the dialer. This action should dismiss
	* the dialer fragment.
	*/
	void onDialerBackClick();
	}

	public static DialerFragment newInstance(UiCallManager callManager) {
	DialerFragment fragment = new DialerFragment();
	fragment.mUiCallManager = callManager;
	return fragment;
	}

	/**
	* Sets the given {@link DialerBackButtonListener} to be notified whenever the back button
	* on the dialer has been clicked. Passing {@code null} to this method will clear all listeners.
	*/
	public void setDialerBackButtonListener(DialerBackButtonListener listener) {
	mBackListener = listener;
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	mAudioManager =
	(AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE);
	if (savedInstanceState != null && savedInstanceState.containsKey(INPUT_ACTIVE_KEY)) {
	mShowInput = savedInstanceState.getBoolean(INPUT_ACTIVE_KEY);
	}
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
	Bundle savedInstanceState) {
	if (Log.isLoggable(TAG, Log.DEBUG)) {
	Log.d(TAG, "onCreateView");
	}

	mContext = getContext();
	View view = inflater.inflate(R.layout.dialer_fragment, container, false);

	if (Log.isLoggable(TAG, Log.VERBOSE)) {
	Log.v(TAG, "onCreateView: inflated successfully");
	}

	view.findViewById(R.id.exit_dialer_button).setOnClickListener((unusedView) -> {
	if (mBackListener != null) {
	mBackListener.onDialerBackClick();
	}
	});

	mNumberView = (TextView) view.findViewById(R.id.number);
	final boolean hasTouch = getResources().getBoolean(R.bool.has_touch);

	if (Log.isLoggable(TAG, Log.VERBOSE)) {
	Log.v(TAG, "hasTouch: " + hasTouch + ", mShowInput: " + mShowInput);
	}

	if (hasTouch) {
	// Only show the delete and call buttons in touch mode.
	// Buttons are in rotary input itself.
	View callButton = view.findViewById(R.id.call);
	FabDrawable answerCallDrawable = new FabDrawable(mContext);
	answerCallDrawable.setFabAndStrokeColor(getResources().getColor(R.color.phone_call));
	callButton.setBackground(answerCallDrawable);
	callButton.setVisibility(View.VISIBLE);
	callButton.setOnClickListener((unusedView) -> {
	if (Log.isLoggable(TAG, Log.DEBUG)) {
	Log.d(TAG, "Call button clicked, placing a call: " + mNumber.toString());
	}

	if (!TextUtils.isEmpty(mNumber.toString())) {
	mUiCallManager.safePlaceCall(mNumber.toString(), false);
	}
	});
	View deleteButton = view.findViewById(R.id.delete);
	deleteButton.setVisibility(View.VISIBLE);
	deleteButton.setOnClickListener((unusedView) -> {
	if (mNumber.length() != 0) {
	mNumber.deleteCharAt(mNumber.length() - 1);
	mNumberView.setText(getFormattedNumber(mNumber.toString()));
	}
	});
	}

	setupKeypad(view);

	return view;
	}

	/**
	* The default click listener for all dialpad buttons. This click listener will append its
	* associated value to {@link #mNumber}.
	*/
	private class DialpadClickListener implements View.OnClickListener {
	private String mValue;

	public DialpadClickListener(String value) {
	mValue = value;
	}

	@Override
	public void onClick(View v) {
	mNumber.append(mValue);
	mNumberView.setText(getFormattedNumber(mNumber.toString()));
	}
	};

	/**
	* Sets up the click listeners for all the dialpad buttons.
	*/
	private void setupKeypad(View parent) {
	parent.findViewById(R.id.zero).setOnClickListener(new DialpadClickListener("0"));
	parent.findViewById(R.id.one).setOnClickListener(new DialpadClickListener("1"));
	parent.findViewById(R.id.two).setOnClickListener(new DialpadClickListener("2"));
	parent.findViewById(R.id.three).setOnClickListener(new DialpadClickListener("3"));
	parent.findViewById(R.id.four).setOnClickListener(new DialpadClickListener("4"));
	parent.findViewById(R.id.five).setOnClickListener(new DialpadClickListener("5"));
	parent.findViewById(R.id.six).setOnClickListener(new DialpadClickListener("6"));
	parent.findViewById(R.id.seven).setOnClickListener(new DialpadClickListener("7"));
	parent.findViewById(R.id.eight).setOnClickListener(new DialpadClickListener("8"));
	parent.findViewById(R.id.nine).setOnClickListener(new DialpadClickListener("9"));
	parent.findViewById(R.id.star).setOnClickListener(new DialpadClickListener("*"));
	parent.findViewById(R.id.pound).setOnClickListener(new DialpadClickListener("#"));
	}

	@Override
	public void onResume() {
	super.onResume();
	synchronized (mToneGeneratorLock) {
	if (mToneGenerator == null) {
	mToneGenerator = new ToneGenerator(AudioManager.STREAM_MUSIC, TONE_RELATIVE_VOLUME);
	}
	}
	mUiCallManager.addListener(mCallListener);

	if (mPendingRunnable != null) {
	mPendingRunnable.run();
	mPendingRunnable = null;
	}
	}

	@Override
	public void onPause() {
	super.onPause();
	mUiCallManager.removeListener(mCallListener);
	stopTone();
	synchronized (mToneGeneratorLock) {
	if (mToneGenerator != null) {
	mToneGenerator.release();
	mToneGenerator = null;
	}
	}
	}

	@Override
	public void onDestroyView() {
	super.onDestroyView();
	mContext = null;
	mNumberView = null;
	}

	public void setDialNumber(final String number) {
	if (TextUtils.isEmpty(number)) {
	return;
	}

	if (mContext != null && mNumberView != null) {
	setDialNumberInternal(number);
	} else {
	mPendingRunnable = () -> setDialNumberInternal(number);
	}
	}

	private void setDialNumberInternal(final String number) {
	// Clear existing content in mNumber.
	mNumber.setLength(0);
	mNumber.append(number);
	mNumberView.setText(getFormattedNumber(mNumber.toString()));
	}

	private void stopTone() {
	synchronized (mToneGeneratorLock) {
	if (mToneGenerator == null) {
	Log.w(TAG, "stopTone: mToneGenerator == null");
	return;
	}
	mToneGenerator.stopTone();
	mHandler.postDelayed(mDelayedAbandonAudioFocusRunnable, ABANDON_AUDIO_FOCUS_DELAY_MS);
	}
	}

	private final Runnable mDelayedAbandonAudioFocusRunnable = new Runnable() {
	@Override
	public void run() {
	mAudioManager.abandonAudioFocus(null);
	}
	};

	private String getFormattedNumber(String number) {
	return TelecomUtils.getFormattedNumber(mContext, number);
	}

	private final CallListener mCallListener = new CallListener() {
	@Override
	public void dispatchPhoneKeyEvent(KeyEvent event) {
	if (event.getKeyCode() == KeyEvent.KEYCODE_CALL &&
	event.getAction() == KeyEvent.ACTION_UP &&
	!TextUtils.isEmpty(mNumber.toString())) {
	mUiCallManager.safePlaceCall(mNumber.toString(), false);
	}
	}
	};
	}