1/*
2 * Copyright (C) 2017 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.documentsui.base;
18
19import static com.android.documentsui.base.SharedMinimal.VERBOSE;
20
21import android.util.Log;
22import android.util.Pair;
23
24import com.android.documentsui.Injector;
25import com.android.documentsui.R;
26
27/**
28 * Debug menu tools requested by QA Fred.
29 */
30public class DebugHelper {
31
32    private static final String TAG = "DebugHelper";
33
34    private static final int[][] sCode = new int[][] {
35            {19, 19, 20, 20, 21, 22, 21, 22, 30, 29},
36            {51, 51, 47, 47, 29, 32, 29, 32, 30, 29}
37    };
38
39    private static final int[][] sColors = new int[][] {
40            {0xFFDB3236, 0xFFB71C1C},
41            {0xFF3cba54, 0xFF1B5E20},
42            {0xFFf4c20d, 0xFFF9A825},
43            {0xFF4885ed, 0xFF0D47A1}
44    };
45
46    @SuppressWarnings("unchecked")
47    private static final Pair<String, Integer>[] sMessages = new Pair[]{
48            new Pair<>("Woof Woof", R.drawable.debug_msg_1),
49            new Pair<>("ワンワン", R.drawable.debug_msg_2)
50    };
51
52    private final Injector<?> mInjector;
53
54    private boolean mDebugEnabled;
55    private long mLastTime;
56    private int mPosition;
57    private int mCodeIndex;
58    private int mColorIndex;
59    private int mMessageIndex;
60
61    public DebugHelper(Injector<?> injector) {
62        mInjector = injector;
63    }
64
65    public int[] getNextColors() {
66        assert (mInjector.features.isDebugSupportEnabled());
67
68        if (mColorIndex == sColors.length) {
69            mColorIndex = 0;
70        }
71
72        return sColors[mColorIndex++];
73    }
74
75    public Pair<String, Integer> getNextMessage() {
76        assert (mInjector.features.isDebugSupportEnabled());
77
78        if (mMessageIndex == sMessages.length) {
79            mMessageIndex = 0;
80        }
81
82        return sMessages[mMessageIndex++];
83    }
84
85    public void debugCheck(long time, int keyCode) {
86        if (time == mLastTime) {
87            return;
88        }
89        mLastTime = time;
90
91        if (mPosition == 0) {
92            for (int i = 0; i < sCode.length; i++) {
93                if (keyCode == sCode[i][0]) {
94                    mCodeIndex = i;
95                    break;
96                }
97            }
98        }
99
100        if (keyCode == sCode[mCodeIndex][mPosition]) {
101            mPosition++;
102        } else if (mPosition  > 2 || (mPosition == 2 && keyCode != sCode[mCodeIndex][0])) {
103            mPosition = 0;
104        }
105
106        if (mPosition == sCode[mCodeIndex].length) {
107            mPosition = 0;
108            toggleDebugMode();
109        }
110    }
111
112    public void toggleDebugMode() {
113        mDebugEnabled = !mDebugEnabled;
114        // Actions is content-scope, so it can technically be null, though
115        // not likely.
116        if (mInjector.actions != null) {
117            mInjector.actions.setDebugMode(mDebugEnabled);
118        }
119
120        if (VERBOSE) {
121            Log.v(TAG, "Debug mode " + (mDebugEnabled ? "on" : "off"));
122        }
123    }
124}
125