State.java revision 9f9d5b432d6b87fe28a9f90f540b229d0f363538 
1/*
2 * Copyright (C) 2013 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;
18
19import android.content.Intent;
20import android.os.Parcel;
21import android.os.Parcelable;
22import android.util.SparseArray;
23
24import com.android.documentsui.model.DocumentInfo;
25import com.android.documentsui.model.DocumentStack;
26import com.android.documentsui.model.DurableUtils;
27
28import java.util.ArrayList;
29import java.util.HashMap;
30import java.util.List;
31
32public class State implements android.os.Parcelable {
33    public int action;
34    public String[] acceptMimes;
35
36    /** Explicit user choice */
37    public int userMode = MODE_UNKNOWN;
38    /** Derived after loader */
39    public int derivedMode = MODE_LIST;
40
41    /** Explicit user choice */
42    public int userSortOrder = SORT_ORDER_UNKNOWN;
43    /** Derived after loader */
44    public int derivedSortOrder = SORT_ORDER_DISPLAY_NAME;
45
46    public boolean allowMultiple;
47    public boolean forceSize;
48    public boolean showSize;
49    public boolean localOnly;
50    public boolean forceAdvanced;
51    public boolean showAdvanced;
52    public boolean stackTouched;
53    public boolean restored;
54    public boolean directoryCopy;
55    /** Transfer mode for file copy/move operations. */
56    public int transferMode;
57
58    /** Current user navigation stack; empty implies recents. */
59    public DocumentStack stack = new DocumentStack();
60    /** Currently active search, overriding any stack. */
61    public String currentSearch;
62
63    /** Instance state for every shown directory */
64    public HashMap<String, SparseArray<Parcelable>> dirState = new HashMap<>();
65
66    /** Currently copying file */
67    public List<DocumentInfo> selectedDocumentsForCopy = new ArrayList<DocumentInfo>();
68
69    /** Name of the package that started DocsUI */
70    public List<String> excludedAuthorities = new ArrayList<>();
71
72    public static final int ACTION_OPEN = 1;
73    public static final int ACTION_CREATE = 2;
74    public static final int ACTION_GET_CONTENT = 3;
75    public static final int ACTION_OPEN_TREE = 4;
76    public static final int ACTION_MANAGE = 5;
77    public static final int ACTION_BROWSE = 6;
78    public static final int ACTION_OPEN_COPY_DESTINATION = 8;
79
80    public static final int MODE_UNKNOWN = 0;
81    public static final int MODE_LIST = 1;
82    public static final int MODE_GRID = 2;
83
84    public static final int SORT_ORDER_UNKNOWN = 0;
85    public static final int SORT_ORDER_DISPLAY_NAME = 1;
86    public static final int SORT_ORDER_LAST_MODIFIED = 2;
87    public static final int SORT_ORDER_SIZE = 3;
88
89    public void initAcceptMimes(Intent intent) {
90        if (intent.hasExtra(Intent.EXTRA_MIME_TYPES)) {
91            acceptMimes = intent.getStringArrayExtra(Intent.EXTRA_MIME_TYPES);
92        } else {
93            String glob = intent.getType();
94            acceptMimes = new String[] { glob != null ? glob : "*/*" };
95        }
96    }
97
98    @Override
99    public int describeContents() {
100        return 0;
101    }
102
103    @Override
104    public void writeToParcel(Parcel out, int flags) {
105        out.writeInt(action);
106        out.writeInt(userMode);
107        out.writeStringArray(acceptMimes);
108        out.writeInt(userSortOrder);
109        out.writeInt(allowMultiple ? 1 : 0);
110        out.writeInt(forceSize ? 1 : 0);
111        out.writeInt(showSize ? 1 : 0);
112        out.writeInt(localOnly ? 1 : 0);
113        out.writeInt(forceAdvanced ? 1 : 0);
114        out.writeInt(showAdvanced ? 1 : 0);
115        out.writeInt(stackTouched ? 1 : 0);
116        out.writeInt(restored ? 1 : 0);
117        DurableUtils.writeToParcel(out, stack);
118        out.writeString(currentSearch);
119        out.writeMap(dirState);
120        out.writeList(selectedDocumentsForCopy);
121        out.writeList(excludedAuthorities);
122    }
123
124    public static final Creator<State> CREATOR = new Creator<State>() {
125        @Override
126        public State createFromParcel(Parcel in) {
127            final State state = new State();
128            state.action = in.readInt();
129            state.userMode = in.readInt();
130            state.acceptMimes = in.readStringArray();
131            state.userSortOrder = in.readInt();
132            state.allowMultiple = in.readInt() != 0;
133            state.forceSize = in.readInt() != 0;
134            state.showSize = in.readInt() != 0;
135            state.localOnly = in.readInt() != 0;
136            state.forceAdvanced = in.readInt() != 0;
137            state.showAdvanced = in.readInt() != 0;
138            state.stackTouched = in.readInt() != 0;
139            state.restored = in.readInt() != 0;
140            DurableUtils.readFromParcel(in, state.stack);
141            state.currentSearch = in.readString();
142            in.readMap(state.dirState, null);
143            in.readList(state.selectedDocumentsForCopy, null);
144            in.readList(state.excludedAuthorities, null);
145            return state;
146        }
147
148        @Override
149        public State[] newArray(int size) {
150            return new State[size];
151        }
152    };
153}