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      1 /*
      2  * Copyright (C) 2016 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.incallui.incall.impl;
     18 
     19 import android.os.Bundle;
     20 import android.support.annotation.Nullable;
     21 import android.support.v4.app.Fragment;
     22 import android.util.ArraySet;
     23 import android.view.LayoutInflater;
     24 import android.view.View;
     25 import android.view.ViewGroup;
     26 import com.android.dialer.common.Assert;
     27 import com.android.dialer.common.FragmentUtils;
     28 import com.android.incallui.incall.protocol.InCallButtonIds;
     29 import java.util.List;
     30 import java.util.Set;
     31 
     32 /** Fragment for the in call buttons (mute, speaker, ect.). */
     33 public class InCallButtonGridFragment extends Fragment {
     34 
     35   private static final int BUTTON_COUNT = 6;
     36   private static final int BUTTONS_PER_ROW = 3;
     37 
     38   private CheckableLabeledButton[] buttons = new CheckableLabeledButton[BUTTON_COUNT];
     39   private OnButtonGridCreatedListener buttonGridListener;
     40 
     41   public static Fragment newInstance() {
     42     return new InCallButtonGridFragment();
     43   }
     44 
     45   @Override
     46   public void onCreate(@Nullable Bundle bundle) {
     47     super.onCreate(bundle);
     48     buttonGridListener = FragmentUtils.getParent(this, OnButtonGridCreatedListener.class);
     49     Assert.isNotNull(buttonGridListener);
     50   }
     51 
     52   @Nullable
     53   @Override
     54   public View onCreateView(
     55       LayoutInflater inflater, @Nullable ViewGroup parent, @Nullable Bundle bundle) {
     56     View view = inflater.inflate(R.layout.incall_button_grid, parent, false);
     57 
     58     buttons[0] = ((CheckableLabeledButton) view.findViewById(R.id.incall_first_button));
     59     buttons[1] = ((CheckableLabeledButton) view.findViewById(R.id.incall_second_button));
     60     buttons[2] = ((CheckableLabeledButton) view.findViewById(R.id.incall_third_button));
     61     buttons[3] = ((CheckableLabeledButton) view.findViewById(R.id.incall_fourth_button));
     62     buttons[4] = ((CheckableLabeledButton) view.findViewById(R.id.incall_fifth_button));
     63     buttons[5] = ((CheckableLabeledButton) view.findViewById(R.id.incall_sixth_button));
     64 
     65     return view;
     66   }
     67 
     68   @Override
     69   public void onViewCreated(View view, @Nullable Bundle bundle) {
     70     super.onViewCreated(view, bundle);
     71     buttonGridListener.onButtonGridCreated(this);
     72   }
     73 
     74   @Override
     75   public void onDestroyView() {
     76     super.onDestroyView();
     77     buttonGridListener.onButtonGridDestroyed();
     78   }
     79 
     80   public void onInCallScreenDialpadVisibilityChange(boolean isShowing) {
     81     for (CheckableLabeledButton button : buttons) {
     82       button.setImportantForAccessibility(
     83           isShowing
     84               ? View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS
     85               : View.IMPORTANT_FOR_ACCESSIBILITY_AUTO);
     86     }
     87   }
     88 
     89   public int updateButtonStates(
     90       List<ButtonController> buttonControllers,
     91       @Nullable ButtonChooser buttonChooser,
     92       int voiceNetworkType,
     93       int phoneType) {
     94     Set<Integer> allowedButtons = new ArraySet<>();
     95     Set<Integer> disabledButtons = new ArraySet<>();
     96     for (ButtonController controller : buttonControllers) {
     97       if (controller.isAllowed()) {
     98         allowedButtons.add(controller.getInCallButtonId());
     99         if (!controller.isEnabled()) {
    100           disabledButtons.add(controller.getInCallButtonId());
    101         }
    102       }
    103     }
    104 
    105     for (ButtonController controller : buttonControllers) {
    106       controller.setButton(null);
    107     }
    108 
    109     if (buttonChooser == null) {
    110       buttonChooser =
    111           ButtonChooserFactory.newButtonChooser(voiceNetworkType, false /* isWiFi */, phoneType);
    112     }
    113 
    114     int numVisibleButtons = getResources().getInteger(R.integer.incall_num_rows) * BUTTONS_PER_ROW;
    115     List<Integer> buttonsToPlace =
    116         buttonChooser.getButtonPlacement(numVisibleButtons, allowedButtons, disabledButtons);
    117 
    118     for (int i = 0; i < BUTTON_COUNT; ++i) {
    119       if (i >= buttonsToPlace.size()) {
    120         buttons[i].setVisibility(View.INVISIBLE);
    121         continue;
    122       }
    123       @InCallButtonIds int button = buttonsToPlace.get(i);
    124       buttonGridListener.getButtonController(button).setButton(buttons[i]);
    125     }
    126 
    127     return numVisibleButtons;
    128   }
    129 
    130   /** Interface to let the listener know the status of the button grid. */
    131   public interface OnButtonGridCreatedListener {
    132     void onButtonGridCreated(InCallButtonGridFragment inCallButtonGridFragment);
    133     void onButtonGridDestroyed();
    134 
    135     ButtonController getButtonController(@InCallButtonIds int id);
    136   }
    137 }
    138