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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.keyguard;
import android.app.ActivityManagerNative;
import android.content.Context;
import android.content.pm.UserInfo;
import android.os.RemoteException;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
public class KeyguardMultiUserSelectorView extends FrameLayout implements View.OnClickListener {
private static final String TAG = "KeyguardMultiUserSelectorView";
private ViewGroup mUsersGrid;
private KeyguardMultiUserAvatar mActiveUserAvatar;
private KeyguardHostView.UserSwitcherCallback mCallback;
private static final int FADE_OUT_ANIMATION_DURATION = 100;
public KeyguardMultiUserSelectorView(Context context) {
this(context, null, 0);
}
public KeyguardMultiUserSelectorView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public KeyguardMultiUserSelectorView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
protected void onFinishInflate () {
mUsersGrid = (ViewGroup) findViewById(R.id.keyguard_users_grid);
mUsersGrid.removeAllViews();
setClipChildren(false);
setClipToPadding(false);
}
public void setCallback(KeyguardHostView.UserSwitcherCallback callback) {
mCallback = callback;
}
public void addUsers(Collection<UserInfo> userList) {
UserInfo activeUser;
try {
activeUser = ActivityManagerNative.getDefault().getCurrentUser();
} catch (RemoteException re) {
activeUser = null;
}
ArrayList<UserInfo> users = new ArrayList<UserInfo>(userList);
Collections.sort(users, mOrderAddedComparator);
for (UserInfo user: users) {
if (user.supportsSwitchTo()) {
KeyguardMultiUserAvatar uv = createAndAddUser(user);
if (user.id == activeUser.id) {
mActiveUserAvatar = uv;
}
uv.setActive(false, false, null);
}
}
mActiveUserAvatar.lockPressed(true);
}
public void finalizeActiveUserView(boolean animate) {
if (animate) {
getHandler().postDelayed(new Runnable() {
@Override
public void run() {
finalizeActiveUserNow(true);
}
}, 500);
} else {
finalizeActiveUserNow(animate);
}
}
void finalizeActiveUserNow(boolean animate) {
mActiveUserAvatar.lockPressed(false);
mActiveUserAvatar.setActive(true, animate, null);
}
Comparator<UserInfo> mOrderAddedComparator = new Comparator<UserInfo>() {
@Override
public int compare(UserInfo lhs, UserInfo rhs) {
return (lhs.serialNumber - rhs.serialNumber);
}
};
private KeyguardMultiUserAvatar createAndAddUser(UserInfo user) {
KeyguardMultiUserAvatar uv = KeyguardMultiUserAvatar.fromXml(
R.layout.keyguard_multi_user_avatar, mContext, this, user);
mUsersGrid.addView(uv);
return uv;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent event) {
if(event.getActionMasked() != MotionEvent.ACTION_CANCEL && mCallback != null) {
mCallback.userActivity();
}
return false;
}
private void setAllClickable(boolean clickable)
{
for(int i = 0; i < mUsersGrid.getChildCount(); i++) {
View v = mUsersGrid.getChildAt(i);
v.setClickable(clickable);
v.setPressed(false);
}
}
@Override
public void onClick(View v) {
if (!(v instanceof KeyguardMultiUserAvatar)) return;
final KeyguardMultiUserAvatar avatar = (KeyguardMultiUserAvatar) v;
if (avatar.isClickable()) { // catch race conditions
if (mActiveUserAvatar == avatar) {
// If they click the currently active user, show the unlock hint
mCallback.showUnlockHint();
return;
} else {
// Reset the previously active user to appear inactive
mCallback.hideSecurityView(FADE_OUT_ANIMATION_DURATION);
setAllClickable(false);
avatar.lockPressed(true);
mActiveUserAvatar.setActive(false, true, new Runnable() {
@Override
public void run() {
mActiveUserAvatar = avatar;
try {
ActivityManagerNative.getDefault()
.switchUser(avatar.getUserInfo().id);
} catch (RemoteException re) {
Log.e(TAG, "Couldn't switch user " + re);
}
}
});
}
}
}
}
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