State.java revision 7f34b20a70603070b7634acc011b4ff45608dcf7 
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;
27import com.android.documentsui.model.RootInfo;
28
29import java.util.ArrayList;
30import java.util.HashMap;
31import java.util.List;
32
33public class State implements android.os.Parcelable {
34    public int action;
35    public String[] acceptMimes;
36
37    /** Explicit user choice */
38    public int userMode = MODE_UNKNOWN;
39    /** Derived after loader */
40    public int derivedMode = MODE_GRID;
41
42    /** Explicit user choice */
43    public int userSortOrder = SORT_ORDER_UNKNOWN;
44    /** Derived after loader */
45    public int derivedSortOrder = SORT_ORDER_DISPLAY_NAME;
46
47    public boolean allowMultiple;
48    public boolean forceSize;
49    public boolean showSize;
50    public boolean localOnly;
51    public boolean forceAdvanced;
52    public boolean showAdvanced;
53    public boolean restored;
54    public boolean directoryCopy;
55    public boolean openableOnly;
56    /** Transfer mode for file copy/move operations. */
57    public int transferMode;
58
59    /** Current user navigation stack; empty implies recents. */
60    public DocumentStack stack = new DocumentStack();
61    /** Currently active search, overriding any stack. */
62    public String currentSearch;
63
64    /** Instance state for every shown directory */
65    public HashMap<String, SparseArray<Parcelable>> dirState = new HashMap<>();
66
67    /** Currently copying file */
68    public List<DocumentInfo> selectedDocumentsForCopy = new ArrayList<DocumentInfo>();
69
70    /** Name of the package that started DocsUI */
71    public List<String> excludedAuthorities = new ArrayList<>();
72
73    public static final int ACTION_OPEN = 1;
74    public static final int ACTION_CREATE = 2;
75    public static final int ACTION_GET_CONTENT = 3;
76    public static final int ACTION_OPEN_TREE = 4;
77    public static final int ACTION_MANAGE = 5;
78    public static final int ACTION_BROWSE = 6;
79    public static final int ACTION_PICK_COPY_DESTINATION = 8;
80
81    public static final int MODE_UNKNOWN = 0;
82    public static final int MODE_LIST = 1;
83    public static final int MODE_GRID = 2;
84
85    public static final int SORT_ORDER_UNKNOWN = 0;
86    public static final int SORT_ORDER_DISPLAY_NAME = 1;
87    public static final int SORT_ORDER_LAST_MODIFIED = 2;
88    public static final int SORT_ORDER_SIZE = 3;
89
90    private boolean mStackTouched;
91
92    public void initAcceptMimes(Intent intent) {
93        if (intent.hasExtra(Intent.EXTRA_MIME_TYPES)) {
94            acceptMimes = intent.getStringArrayExtra(Intent.EXTRA_MIME_TYPES);
95        } else {
96            String glob = intent.getType();
97            acceptMimes = new String[] { glob != null ? glob : "*/*" };
98        }
99    }
100
101    public void onRootChanged(RootInfo root) {
102        stack.root = root;
103        stack.clear();
104        mStackTouched = true;
105    }
106
107    public void pushDocument(DocumentInfo info) {
108        stack.push(info);
109        mStackTouched = true;
110    }
111
112    public void popDocument() {
113        stack.pop();
114        mStackTouched = true;
115    }
116
117    public void setStack(DocumentStack stack) {
118        this.stack = stack;
119        mStackTouched = true;
120    }
121
122    public boolean hasLocationChanged() {
123        return mStackTouched;
124    }
125
126    @Override
127    public int describeContents() {
128        return 0;
129    }
130
131    @Override
132    public void writeToParcel(Parcel out, int flags) {
133        out.writeInt(action);
134        out.writeInt(userMode);
135        out.writeStringArray(acceptMimes);
136        out.writeInt(userSortOrder);
137        out.writeInt(allowMultiple ? 1 : 0);
138        out.writeInt(forceSize ? 1 : 0);
139        out.writeInt(showSize ? 1 : 0);
140        out.writeInt(localOnly ? 1 : 0);
141        out.writeInt(forceAdvanced ? 1 : 0);
142        out.writeInt(showAdvanced ? 1 : 0);
143        out.writeInt(restored ? 1 : 0);
144        DurableUtils.writeToParcel(out, stack);
145        out.writeString(currentSearch);
146        out.writeMap(dirState);
147        out.writeList(selectedDocumentsForCopy);
148        out.writeList(excludedAuthorities);
149        out.writeInt(openableOnly ? 1 : 0);
150        out.writeInt(mStackTouched ? 1 : 0);
151    }
152
153    public static final Creator<State> CREATOR = new Creator<State>() {
154        @Override
155        public State createFromParcel(Parcel in) {
156            final State state = new State();
157            state.action = in.readInt();
158            state.userMode = in.readInt();
159            state.acceptMimes = in.readStringArray();
160            state.userSortOrder = in.readInt();
161            state.allowMultiple = in.readInt() != 0;
162            state.forceSize = in.readInt() != 0;
163            state.showSize = in.readInt() != 0;
164            state.localOnly = in.readInt() != 0;
165            state.forceAdvanced = in.readInt() != 0;
166            state.showAdvanced = in.readInt() != 0;
167            state.restored = in.readInt() != 0;
168            DurableUtils.readFromParcel(in, state.stack);
169            state.currentSearch = in.readString();
170            in.readMap(state.dirState, null);
171            in.readList(state.selectedDocumentsForCopy, null);
172            in.readList(state.excludedAuthorities, null);
173            state.openableOnly = in.readInt() != 0;
174            state.mStackTouched = in.readInt() != 0;
175            return state;
176        }
177
178        @Override
179        public State[] newArray(int size) {
180            return new State[size];
181        }
182    };
183}
184