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1/*
2 * Copyright (C) 2014 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
17package com.android.systemui.statusbar.phone;
18
19import android.content.Context;
20import android.content.Intent;
21import android.os.UserHandle;
22import android.os.UserManager;
23import android.provider.ContactsContract;
24import android.text.TextUtils;
25import android.util.AttributeSet;
26import android.view.View;
27import android.view.ViewGroup;
28import android.view.accessibility.AccessibilityEvent;
29import android.view.accessibility.AccessibilityNodeInfo;
30import android.widget.Button;
31import android.widget.FrameLayout;
32
33import com.android.systemui.R;
34import com.android.systemui.qs.QSPanel;
35import com.android.systemui.statusbar.policy.KeyguardUserSwitcher;
36import com.android.systemui.statusbar.policy.UserSwitcherController;
37
38/**
39 * Container for image of the multi user switcher (tappable).
40 */
41public class MultiUserSwitch extends FrameLayout implements View.OnClickListener {
42
43    private QSPanel mQsPanel;
44    private KeyguardUserSwitcher mKeyguardUserSwitcher;
45    private boolean mKeyguardMode;
46    private UserSwitcherController.BaseUserAdapter mUserListener;
47
48    final UserManager mUserManager;
49
50    private final int[] mTmpInt2 = new int[2];
51
52    private UserSwitcherController mUserSwitcherController;
53
54    public MultiUserSwitch(Context context, AttributeSet attrs) {
55        super(context, attrs);
56        mUserManager = UserManager.get(getContext());
57    }
58
59    @Override
60    protected void onFinishInflate() {
61        super.onFinishInflate();
62        setOnClickListener(this);
63        refreshContentDescription();
64    }
65
66    public void setQsPanel(QSPanel qsPanel) {
67        mQsPanel = qsPanel;
68        setUserSwitcherController(qsPanel.getHost().getUserSwitcherController());
69    }
70
71    public boolean hasMultipleUsers() {
72        if (mUserListener == null) {
73            return false;
74        }
75        return mUserListener.getCount() != 0;
76    }
77
78    public void setUserSwitcherController(UserSwitcherController userSwitcherController) {
79        mUserSwitcherController = userSwitcherController;
80        registerListener();
81        refreshContentDescription();
82    }
83
84    public void setKeyguardUserSwitcher(KeyguardUserSwitcher keyguardUserSwitcher) {
85        mKeyguardUserSwitcher = keyguardUserSwitcher;
86    }
87
88    public void setKeyguardMode(boolean keyguardShowing) {
89        mKeyguardMode = keyguardShowing;
90        registerListener();
91    }
92
93    private void registerListener() {
94        if (mUserManager.isUserSwitcherEnabled() && mUserListener == null) {
95
96            final UserSwitcherController controller = mUserSwitcherController;
97            if (controller != null) {
98                mUserListener = new UserSwitcherController.BaseUserAdapter(controller) {
99                    @Override
100                    public void notifyDataSetChanged() {
101                        refreshContentDescription();
102                    }
103
104                    @Override
105                    public View getView(int position, View convertView, ViewGroup parent) {
106                        return null;
107                    }
108                };
109                refreshContentDescription();
110            }
111        }
112    }
113
114    @Override
115    public void onClick(View v) {
116        if (mUserManager.isUserSwitcherEnabled()) {
117            if (mKeyguardMode) {
118                if (mKeyguardUserSwitcher != null) {
119                    mKeyguardUserSwitcher.show(true /* animate */);
120                }
121            } else if (mQsPanel != null && mUserSwitcherController != null) {
122                View center = getChildCount() > 0 ? getChildAt(0) : this;
123
124                center.getLocationInWindow(mTmpInt2);
125                mTmpInt2[0] += center.getWidth() / 2;
126                mTmpInt2[1] += center.getHeight() / 2;
127
128                mQsPanel.showDetailAdapter(true,
129                        mUserSwitcherController.userDetailAdapter,
130                        mTmpInt2);
131            }
132        } else {
133            if (mQsPanel != null) {
134                Intent intent = ContactsContract.QuickContact.composeQuickContactsIntent(
135                        getContext(), v, ContactsContract.Profile.CONTENT_URI,
136                        ContactsContract.QuickContact.MODE_LARGE, null);
137                mQsPanel.getHost().startActivityDismissingKeyguard(intent);
138            }
139        }
140    }
141
142    @Override
143    public void setClickable(boolean clickable) {
144        super.setClickable(clickable);
145        refreshContentDescription();
146    }
147
148    private void refreshContentDescription() {
149        String currentUser = null;
150        if (mUserManager.isUserSwitcherEnabled()
151                && mUserSwitcherController != null) {
152            currentUser = mUserSwitcherController.getCurrentUserName(mContext);
153        }
154
155        String text = null;
156
157        if (!TextUtils.isEmpty(currentUser)) {
158            text = mContext.getString(
159                    R.string.accessibility_quick_settings_user,
160                    currentUser);
161        }
162
163        if (!TextUtils.equals(getContentDescription(), text)) {
164            setContentDescription(text);
165        }
166    }
167
168    @Override
169    public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
170        super.onInitializeAccessibilityEvent(event);
171        event.setClassName(Button.class.getName());
172    }
173
174    @Override
175    public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
176        super.onInitializeAccessibilityNodeInfo(info);
177        info.setClassName(Button.class.getName());
178    }
179
180    @Override
181    public boolean hasOverlappingRendering() {
182        return false;
183    }
184
185}
186