KeyguardMultiUserSelectorView.java revision 19a5267003e7dc70100a4bd4f1f449523b2ff38b 
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.Collections;
35import java.util.Comparator;
36
37public class KeyguardMultiUserSelectorView extends FrameLayout implements View.OnClickListener {
38    private static final String TAG = "KeyguardMultiUserSelectorView";
39
40    private ViewGroup mUsersGrid;
41    private KeyguardMultiUserAvatar mActiveUserAvatar;
42    private KeyguardHostView.UserSwitcherCallback mCallback;
43    private static final int FADE_OUT_ANIMATION_DURATION = 100;
44
45    public KeyguardMultiUserSelectorView(Context context) {
46        this(context, null, 0);
47    }
48
49    public KeyguardMultiUserSelectorView(Context context, AttributeSet attrs) {
50        this(context, attrs, 0);
51    }
52
53    public KeyguardMultiUserSelectorView(Context context, AttributeSet attrs, int defStyle) {
54        super(context, attrs, defStyle);
55    }
56
57    protected void onFinishInflate () {
58        init();
59    }
60
61    public void setCallback(KeyguardHostView.UserSwitcherCallback callback) {
62        mCallback = callback;
63    }
64
65    public void init() {
66        mUsersGrid = (ViewGroup) findViewById(R.id.keyguard_users_grid);
67        mUsersGrid.removeAllViews();
68        setClipChildren(false);
69        setClipToPadding(false);
70
71        UserInfo activeUser;
72        try {
73            activeUser = ActivityManagerNative.getDefault().getCurrentUser();
74        } catch (RemoteException re) {
75            activeUser = null;
76        }
77
78        UserManager mUm = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
79        ArrayList<UserInfo> users = new ArrayList<UserInfo>(mUm.getUsers(true));
80        Collections.sort(users, mOrderAddedComparator);
81
82        for (UserInfo user: users) {
83            KeyguardMultiUserAvatar uv = createAndAddUser(user);
84            if (user.id == activeUser.id) {
85                mActiveUserAvatar = uv;
86                mActiveUserAvatar.setActive(true, false, null);
87            } else {
88                uv.setActive(false, false, null);
89            }
90        }
91    }
92
93    Comparator<UserInfo> mOrderAddedComparator = new Comparator<UserInfo>() {
94        @Override
95        public int compare(UserInfo lhs, UserInfo rhs) {
96            return (lhs.serialNumber - rhs.serialNumber);
97        }
98    };
99
100    private KeyguardMultiUserAvatar createAndAddUser(UserInfo user) {
101        KeyguardMultiUserAvatar uv = KeyguardMultiUserAvatar.fromXml(
102                R.layout.keyguard_multi_user_avatar, mContext, this, user);
103        mUsersGrid.addView(uv);
104        return uv;
105    }
106
107    @Override
108    public boolean onInterceptTouchEvent(MotionEvent event) {
109        Log.e(TAG, "touch");
110        if(event.getActionMasked() != MotionEvent.ACTION_CANCEL && mCallback != null) {
111            Log.e(TAG, "userActivitytouch");
112            mCallback.userActivity();
113        }
114        return false;
115    }
116
117    @Override
118    public void onClick(View v) {
119        if (!(v instanceof KeyguardMultiUserAvatar)) return;
120        final KeyguardMultiUserAvatar avatar = (KeyguardMultiUserAvatar) v;
121        if (mActiveUserAvatar == avatar) {
122            // If they click the currently active user, show the unlock hint
123            mCallback.showUnlockHint();
124            return;
125        } else {
126            // Reset the previously active user to appear inactive
127            mCallback.hideSecurityView(FADE_OUT_ANIMATION_DURATION);
128            mActiveUserAvatar.setActive(false, true, new Runnable() {
129                @Override
130                public void run() {
131                    mActiveUserAvatar = avatar;
132                    mActiveUserAvatar.setActive(true, true, new Runnable() {
133                        @Override
134                        public void run() {
135                            if (this.getClass().getName().contains("internal")) {
136                                try {
137                                    ActivityManagerNative.getDefault()
138                                            .switchUser(avatar.getUserInfo().id);
139                                } catch (RemoteException re) {
140                                    Log.e(TAG, "Couldn't switch user " + re);
141                                }
142                            }
143                        }
144                    });
145                }
146            });
147        }
148    }
149}
150