KeyguardMultiUserSelectorView.java revision dc0d12278a99625295a6e117c649e4c3e8a907c9 
1/*
2 * Copyright (C) 2012 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.internal.policy.impl.keyguard;
18
19import android.app.ActivityManagerNative;
20import android.content.Context;
21import android.content.pm.UserInfo;
22import android.os.RemoteException;
23import android.os.UserManager;
24import android.util.AttributeSet;
25import android.util.Log;
26import android.view.MotionEvent;
27import android.view.View;
28import android.view.ViewGroup;
29import android.view.WindowManagerGlobal;
30import android.widget.FrameLayout;
31import com.android.internal.R;
32
33import java.util.ArrayList;
34import java.util.Collection;
35import java.util.Collections;
36import java.util.Comparator;
37
38public class KeyguardMultiUserSelectorView extends FrameLayout implements View.OnClickListener {
39    private static final String TAG = "KeyguardMultiUserSelectorView";
40
41    private ViewGroup mUsersGrid;
42    private KeyguardMultiUserAvatar mActiveUserAvatar;
43    private KeyguardHostView.UserSwitcherCallback mCallback;
44    private static final int FADE_OUT_ANIMATION_DURATION = 100;
45
46    public KeyguardMultiUserSelectorView(Context context) {
47        this(context, null, 0);
48    }
49
50    public KeyguardMultiUserSelectorView(Context context, AttributeSet attrs) {
51        this(context, attrs, 0);
52    }
53
54    public KeyguardMultiUserSelectorView(Context context, AttributeSet attrs, int defStyle) {
55        super(context, attrs, defStyle);
56    }
57
58    protected void onFinishInflate () {
59        mUsersGrid = (ViewGroup) findViewById(R.id.keyguard_users_grid);
60        mUsersGrid.removeAllViews();
61        setClipChildren(false);
62        setClipToPadding(false);
63
64    }
65
66    public void setCallback(KeyguardHostView.UserSwitcherCallback callback) {
67        mCallback = callback;
68    }
69
70    public void addUsers(Collection<UserInfo> userList) {
71        UserInfo activeUser;
72        try {
73            activeUser = ActivityManagerNative.getDefault().getCurrentUser();
74        } catch (RemoteException re) {
75            activeUser = null;
76        }
77
78        ArrayList<UserInfo> users = new ArrayList<UserInfo>(userList);
79        Collections.sort(users, mOrderAddedComparator);
80
81        for (UserInfo user: users) {
82            KeyguardMultiUserAvatar uv = createAndAddUser(user);
83            if (user.id == activeUser.id) {
84                mActiveUserAvatar = uv;
85                mActiveUserAvatar.setActive(true, false, null);
86            } else {
87                uv.setActive(false, false, null);
88            }
89        }
90    }
91
92    Comparator<UserInfo> mOrderAddedComparator = new Comparator<UserInfo>() {
93        @Override
94        public int compare(UserInfo lhs, UserInfo rhs) {
95            return (lhs.serialNumber - rhs.serialNumber);
96        }
97    };
98
99    private KeyguardMultiUserAvatar createAndAddUser(UserInfo user) {
100        KeyguardMultiUserAvatar uv = KeyguardMultiUserAvatar.fromXml(
101                R.layout.keyguard_multi_user_avatar, mContext, this, user);
102        mUsersGrid.addView(uv);
103        return uv;
104    }
105
106    @Override
107    public boolean onInterceptTouchEvent(MotionEvent event) {
108        if(event.getActionMasked() != MotionEvent.ACTION_CANCEL && mCallback != null) {
109            mCallback.userActivity();
110        }
111        return false;
112    }
113
114    @Override
115    public void onClick(View v) {
116        if (!(v instanceof KeyguardMultiUserAvatar)) return;
117        final KeyguardMultiUserAvatar avatar = (KeyguardMultiUserAvatar) v;
118        if (mActiveUserAvatar == avatar) {
119            // If they click the currently active user, show the unlock hint
120            mCallback.showUnlockHint();
121            return;
122        } else {
123            // Reset the previously active user to appear inactive
124            mCallback.hideSecurityView(FADE_OUT_ANIMATION_DURATION);
125            mActiveUserAvatar.setActive(false, true, new Runnable() {
126                @Override
127                public void run() {
128                    mActiveUserAvatar = avatar;
129                    mActiveUserAvatar.setActive(true, true, new Runnable() {
130                        @Override
131                        public void run() {
132                            if (this.getClass().getName().contains("internal")) {
133                                try {
134                                    ActivityManagerNative.getDefault()
135                                            .switchUser(avatar.getUserInfo().id);
136                                } catch (RemoteException re) {
137                                    Log.e(TAG, "Couldn't switch user " + re);
138                                }
139                            }
140                        }
141                    });
142                }
143            });
144        }
145    }
146}
147