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;
18
19import android.content.Context;
20import android.content.res.Configuration;
21import android.util.AttributeSet;
22import android.view.View;
23import android.widget.TextView;
24
25import com.android.systemui.R;
26import com.android.systemui.statusbar.stack.ExpandableViewState;
27import com.android.systemui.statusbar.stack.StackScrollState;
28
29public class EmptyShadeView extends StackScrollerDecorView {
30
31    private TextView mEmptyText;
32
33    public EmptyShadeView(Context context, AttributeSet attrs) {
34        super(context, attrs);
35    }
36
37    @Override
38    protected void onConfigurationChanged(Configuration newConfig) {
39        super.onConfigurationChanged(newConfig);
40        mEmptyText.setText(R.string.empty_shade_text);
41    }
42
43    @Override
44    protected View findContentView() {
45        return findViewById(R.id.no_notifications);
46    }
47
48    @Override
49    protected void onFinishInflate() {
50        super.onFinishInflate();
51        mEmptyText = (TextView) findContentView();
52    }
53
54    @Override
55    public ExpandableViewState createNewViewState(StackScrollState stackScrollState) {
56        return new EmptyShadeViewState();
57    }
58
59    public class EmptyShadeViewState extends ExpandableViewState {
60        @Override
61        public void applyToView(View view) {
62            super.applyToView(view);
63            if (view instanceof EmptyShadeView) {
64                EmptyShadeView emptyShadeView = (EmptyShadeView) view;
65                boolean visible = this.clipTopAmount <= mEmptyText.getPaddingTop() * 0.6f;
66                emptyShadeView.performVisibilityAnimation(
67                        visible && !emptyShadeView.willBeGone());
68            }
69        }
70    }
71}
72