1 /* 2 * Copyright (C) 2018 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.car.dialer.ui.common; 18 19 import android.app.Activity; 20 import android.os.Bundle; 21 import android.view.View; 22 23 import androidx.annotation.CallSuper; 24 import androidx.annotation.NonNull; 25 import androidx.annotation.Nullable; 26 import androidx.fragment.app.Fragment; 27 import androidx.lifecycle.LiveData; 28 import androidx.lifecycle.ViewModelProvider; 29 30 import com.android.car.dialer.R; 31 import com.android.car.dialer.ui.TelecomActivityViewModel; 32 import com.android.car.ui.baselayout.Insets; 33 import com.android.car.ui.baselayout.InsetsChangedListener; 34 import com.android.car.ui.core.CarUi; 35 import com.android.car.ui.toolbar.Toolbar; 36 import com.android.car.ui.toolbar.ToolbarController; 37 38 import dagger.hilt.android.AndroidEntryPoint; 39 40 /** 41 * The base class for top level dialer content {@link Fragment}s. 42 */ 43 @AndroidEntryPoint(Fragment.class) 44 public abstract class DialerBaseFragment extends Hilt_DialerBaseFragment implements 45 InsetsChangedListener { 46 47 /** 48 * Interface for Dialer top level fragment's parent to implement. 49 */ 50 public interface DialerFragmentParent { 51 52 /** 53 * Push a fragment to the back stack. Update action bar accordingly. 54 */ pushContentFragment(Fragment fragment, String fragmentTag)55 void pushContentFragment(Fragment fragment, String fragmentTag); 56 } 57 58 @CallSuper 59 @Override onViewCreated(@onNull View view, @Nullable Bundle savedInstanceState)60 public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) { 61 super.onViewCreated(view, savedInstanceState); 62 ToolbarController toolbar = CarUi.getToolbar(requireActivity()); 63 // Null check for unit tests to pass 64 if (toolbar != null) { 65 setupToolbar(toolbar); 66 } 67 68 Insets insets = CarUi.getInsets(requireActivity()); 69 // Null check for unit tests to pass 70 if (insets != null) { 71 onCarUiInsetsChanged(insets); 72 } 73 } 74 75 /** 76 * Customizes the tool bar. Can be overridden in subclasses. 77 */ setupToolbar(@onNull ToolbarController toolbar)78 protected void setupToolbar(@NonNull ToolbarController toolbar) { 79 TelecomActivityViewModel viewModel = new ViewModelProvider(requireActivity()).get( 80 TelecomActivityViewModel.class); 81 LiveData<String> toolbarTitleLiveData = viewModel.getToolbarTitle(); 82 toolbarTitleLiveData.observe(this, toolbar::setTitle); 83 84 toolbar.setState(getToolbarState()); 85 toolbar.setLogo(getToolbarState() == Toolbar.State.HOME 86 ? requireActivity().getDrawable(R.drawable.ic_app_icon) 87 : null); 88 89 toolbar.setMenuItems(R.xml.menuitems); 90 } 91 92 /** 93 * Push a fragment to the back stack. Update action bar accordingly. 94 */ pushContentFragment(@onNull Fragment fragment, String fragmentTag)95 public void pushContentFragment(@NonNull Fragment fragment, String fragmentTag) { 96 Activity parentActivity = getActivity(); 97 if (parentActivity instanceof DialerFragmentParent) { 98 ((DialerFragmentParent) parentActivity).pushContentFragment(fragment, fragmentTag); 99 } 100 } 101 getToolbarState()102 protected Toolbar.State getToolbarState() { 103 return Toolbar.State.HOME; 104 } 105 106 @Override onCarUiInsetsChanged(Insets insets)107 public void onCarUiInsetsChanged(Insets insets) { 108 requireView().setPadding(insets.getLeft(), insets.getTop(), 109 insets.getRight(), insets.getBottom()); 110 } 111 } 112