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 package com.android.documentsui.dirlist; 17 18 import android.os.Bundle; 19 20 import com.android.documentsui.base.DocumentInfo; 21 import com.android.documentsui.base.RootInfo; 22 import com.android.documentsui.base.Shared; 23 import com.android.documentsui.services.FileOperation; 24 import com.android.documentsui.services.FileOperationService; 25 import com.android.documentsui.sorting.SortDimension.SortDirection; 26 import com.android.documentsui.sorting.SortModel; 27 28 import javax.annotation.Nullable; 29 30 final class DirectoryState { 31 32 private static final String EXTRA_SORT_DIMENSION_ID = "sortDimensionId"; 33 private static final String EXTRA_SORT_DIRECTION = "sortDirection"; 34 private static final String EXTRA_SELECTION_ID = "selectionId"; 35 36 // Null when viewing Recents directory. 37 @Nullable DocumentInfo mDocument; 38 // Here we save the clip details of moveTo/copyTo actions when picker shows up. 39 // This will be written to saved instance. 40 @Nullable FileOperation mPendingOperation; 41 int mLastSortDimensionId = SortModel.SORT_DIMENSION_ID_UNKNOWN; 42 @SortDirection int mLastSortDirection; 43 44 // The unique id to identify the selection. It is null when the corresponding 45 // container (fragment/activity) is the first launch. 46 @Nullable String mSelectionId; 47 48 private RootInfo mRoot; 49 private String mConfigKey; 50 restore(Bundle bundle)51 public void restore(Bundle bundle) { 52 mRoot = bundle.getParcelable(Shared.EXTRA_ROOT); 53 mDocument = bundle.getParcelable(Shared.EXTRA_DOC); 54 mPendingOperation = bundle.getParcelable(FileOperationService.EXTRA_OPERATION); 55 mLastSortDimensionId = bundle.getInt(EXTRA_SORT_DIMENSION_ID); 56 mLastSortDirection = bundle.getInt(EXTRA_SORT_DIRECTION); 57 mSelectionId = bundle.getString(EXTRA_SELECTION_ID); 58 } 59 save(Bundle bundle)60 public void save(Bundle bundle) { 61 bundle.putParcelable(Shared.EXTRA_ROOT, mRoot); 62 bundle.putParcelable(Shared.EXTRA_DOC, mDocument); 63 bundle.putParcelable(FileOperationService.EXTRA_OPERATION, mPendingOperation); 64 bundle.putInt(EXTRA_SORT_DIMENSION_ID, mLastSortDimensionId); 65 bundle.putInt(EXTRA_SORT_DIRECTION, mLastSortDirection); 66 bundle.putString(EXTRA_SELECTION_ID, mSelectionId); 67 } 68 claimPendingOperation()69 public FileOperation claimPendingOperation() { 70 FileOperation op = mPendingOperation; 71 mPendingOperation = null; 72 return op; 73 } 74 getConfigKey()75 String getConfigKey() { 76 if (mConfigKey == null) { 77 final StringBuilder builder = new StringBuilder(); 78 builder.append(mRoot != null ? mRoot.authority : "null").append(';'); 79 builder.append(mRoot != null ? mRoot.rootId : "null").append(';'); 80 builder.append(mDocument != null ? mDocument.documentId : "null"); 81 mConfigKey = builder.toString(); 82 } 83 return mConfigKey; 84 } 85 }