1 /*
2  * Copyright (C) 2020 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.internal.accessibility.dialog;
18 
19 import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL;
20 
21 import static com.android.internal.accessibility.AccessibilityShortcutController.MAGNIFICATION_COMPONENT_NAME;
22 import static com.android.internal.accessibility.AccessibilityShortcutController.MAGNIFICATION_CONTROLLER_NAME;
23 import static com.android.internal.accessibility.common.ShortcutConstants.UserShortcutType.SOFTWARE;
24 import static com.android.internal.accessibility.dialog.AccessibilityTargetHelper.getTargets;
25 import static com.android.internal.accessibility.util.AccessibilityStatsLogUtils.logAccessibilityButtonLongPressStatus;
26 
27 import android.annotation.Nullable;
28 import android.app.Activity;
29 import android.content.ComponentName;
30 import android.os.Bundle;
31 import android.provider.Settings;
32 import android.text.TextUtils;
33 import android.view.View;
34 import android.view.accessibility.AccessibilityManager;
35 import android.widget.GridView;
36 import android.widget.TextView;
37 
38 import com.android.internal.R;
39 import com.android.internal.widget.ResolverDrawerLayout;
40 
41 import java.util.ArrayList;
42 import java.util.List;
43 
44 /**
45  * Activity used to display and persist a service or feature target for the Accessibility button.
46  */
47 public class AccessibilityButtonChooserActivity extends Activity {
48     private final List<AccessibilityTarget> mTargets = new ArrayList<>();
49 
50     @Override
onCreate(@ullable Bundle savedInstanceState)51     protected void onCreate(@Nullable Bundle savedInstanceState) {
52         super.onCreate(savedInstanceState);
53         setContentView(R.layout.accessibility_button_chooser);
54 
55         final ResolverDrawerLayout rdl = findViewById(R.id.contentPanel);
56         if (rdl != null) {
57             rdl.setOnDismissedListener(this::finish);
58         }
59 
60         final String component = Settings.Secure.getString(getContentResolver(),
61                 Settings.Secure.ACCESSIBILITY_BUTTON_TARGET_COMPONENT);
62 
63         final AccessibilityManager accessibilityManager =
64                 getSystemService(AccessibilityManager.class);
65         final boolean isTouchExploreOn =
66                 accessibilityManager.isTouchExplorationEnabled();
67         final boolean isGestureNavigateEnabled =
68                 NAV_BAR_MODE_GESTURAL == getResources().getInteger(
69                         com.android.internal.R.integer.config_navBarInteractionMode);
70 
71         if (isGestureNavigateEnabled) {
72             final TextView promptPrologue = findViewById(R.id.accessibility_button_prompt_prologue);
73             promptPrologue.setText(isTouchExploreOn
74                     ? R.string.accessibility_gesture_3finger_prompt_text
75                     : R.string.accessibility_gesture_prompt_text);
76         }
77 
78         if (TextUtils.isEmpty(component)) {
79             final TextView prompt = findViewById(R.id.accessibility_button_prompt);
80             if (isGestureNavigateEnabled) {
81                 prompt.setText(isTouchExploreOn
82                         ? R.string.accessibility_gesture_3finger_instructional_text
83                         : R.string.accessibility_gesture_instructional_text);
84             }
85             prompt.setVisibility(View.VISIBLE);
86         }
87 
88         mTargets.addAll(getTargets(this, SOFTWARE));
89 
90         final GridView gridview = findViewById(R.id.accessibility_button_chooser_grid);
91         gridview.setAdapter(new ButtonTargetAdapter(mTargets));
92         gridview.setOnItemClickListener((parent, view, position, id) -> {
93             final String key = Settings.Secure.ACCESSIBILITY_BUTTON_TARGET_COMPONENT;
94             String name = mTargets.get(position).getId();
95             if (name.equals(MAGNIFICATION_CONTROLLER_NAME)) {
96                 name = MAGNIFICATION_COMPONENT_NAME.flattenToString();
97             }
98             final ComponentName componentName = ComponentName.unflattenFromString(name);
99             logAccessibilityButtonLongPressStatus(componentName);
100             Settings.Secure.putString(getContentResolver(), key, mTargets.get(position).getId());
101             finish();
102         });
103     }
104 }
105