1/*
2 * Copyright (C) 2016 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.app;
18
19import android.content.Context;
20import android.content.DialogInterface;
21import android.text.TextUtils;
22import android.view.Gravity;
23import android.view.View;
24import android.view.ViewGroup;
25import android.view.Window;
26import android.widget.FrameLayout;
27import android.widget.ImageView;
28import android.widget.ScrollView;
29import android.widget.TextView;
30
31import com.android.internal.app.AlertController;
32import com.android.internal.R;
33
34public class MicroAlertController extends AlertController {
35    public MicroAlertController(Context context, DialogInterface di, Window window) {
36        super(context, di, window);
37    }
38
39    @Override
40    protected void setupContent(ViewGroup contentPanel) {
41        // Special case for small screen - the scroll view is higher in hierarchy
42        mScrollView = (ScrollView) mWindow.findViewById(R.id.scrollView);
43
44        // Special case for users that only want to display a String
45        mMessageView = (TextView) contentPanel.findViewById(R.id.message);
46        if (mMessageView == null) {
47            return;
48        }
49
50        if (mMessage != null) {
51            mMessageView.setText(mMessage);
52        } else {
53            // no message, remove associated views
54            mMessageView.setVisibility(View.GONE);
55            contentPanel.removeView(mMessageView);
56
57            if (mListView != null) {
58                // has ListView, swap scrollView with ListView
59
60                // move topPanel into top of scrollParent
61                View topPanel = mScrollView.findViewById(R.id.topPanel);
62                ((ViewGroup) topPanel.getParent()).removeView(topPanel);
63                FrameLayout.LayoutParams topParams =
64                        new FrameLayout.LayoutParams(topPanel.getLayoutParams());
65                topParams.gravity = Gravity.TOP;
66                topPanel.setLayoutParams(topParams);
67
68                // move buttonPanel into bottom of scrollParent
69                View buttonPanel = mScrollView.findViewById(R.id.buttonPanel);
70                ((ViewGroup) buttonPanel.getParent()).removeView(buttonPanel);
71                FrameLayout.LayoutParams buttonParams =
72                        new FrameLayout.LayoutParams(buttonPanel.getLayoutParams());
73                buttonParams.gravity = Gravity.BOTTOM;
74                buttonPanel.setLayoutParams(buttonParams);
75
76                // remove scrollview
77                final ViewGroup scrollParent = (ViewGroup) mScrollView.getParent();
78                final int childIndex = scrollParent.indexOfChild(mScrollView);
79                scrollParent.removeViewAt(childIndex);
80
81                // add list view
82                scrollParent.addView(mListView,
83                        new ViewGroup.LayoutParams(
84                                ViewGroup.LayoutParams.MATCH_PARENT,
85                                ViewGroup.LayoutParams.MATCH_PARENT));
86
87                // add top and button panel
88                scrollParent.addView(topPanel);
89                scrollParent.addView(buttonPanel);
90            } else {
91                // no content, just hide everything
92                contentPanel.setVisibility(View.GONE);
93            }
94        }
95    }
96
97    @Override
98    protected void setupTitle(ViewGroup topPanel) {
99        super.setupTitle(topPanel);
100        if (topPanel.getVisibility() == View.GONE) {
101            topPanel.setVisibility(View.INVISIBLE);
102        }
103    }
104
105    @Override
106    protected void setupButtons(ViewGroup buttonPanel) {
107        super.setupButtons(buttonPanel);
108        if (buttonPanel.getVisibility() == View.GONE) {
109            buttonPanel.setVisibility(View.INVISIBLE);
110        }
111    }
112}
113