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 17 #ifndef _ANDROID_OS_DROPBOXMANAGER_H 18 #define _ANDROID_OS_DROPBOXMANAGER_H 19 20 #include <android-base/unique_fd.h> 21 #include <binder/Parcel.h> 22 #include <binder/Parcelable.h> 23 #include <binder/Status.h> 24 #include <utils/RefBase.h> 25 26 #include <vector> 27 28 namespace android { 29 namespace os { 30 31 using namespace android; 32 using namespace android::base; 33 using namespace android::binder; 34 using namespace std; 35 36 class DropBoxManager : public virtual RefBase 37 { 38 public: 39 enum { 40 IS_EMPTY = 1, 41 IS_TEXT = 2, 42 IS_GZIPPED = 4 43 }; 44 45 DropBoxManager(); 46 virtual ~DropBoxManager(); 47 48 static sp<DropBoxManager> create(); 49 50 // Create a new entry with plain text contents. 51 Status addText(const String16& tag, const string& text); 52 53 // Create a new Entry with byte array contents. Makes a copy of the data. 54 Status addData(const String16& tag, uint8_t const* data, size_t size, int flags); 55 56 // Create a new Entry from a file. The file will be opened in this process 57 // and a handle will be passed to the system process, so no additional permissions 58 // are required from the system process. Returns NULL if the file can't be opened. 59 Status addFile(const String16& tag, const string& filename, int flags); 60 61 class Entry : public virtual RefBase, public Parcelable { 62 public: 63 Entry(); 64 virtual ~Entry(); 65 66 virtual status_t writeToParcel(Parcel* out) const; 67 virtual status_t readFromParcel(const Parcel* in); 68 69 private: 70 Entry(const String16& tag, int32_t flags); 71 Entry(const String16& tag, int32_t flags, int fd); 72 73 String16 mTag; 74 int64_t mTimeMillis; 75 int32_t mFlags; 76 77 vector<uint8_t> mData; 78 unique_fd mFd; 79 80 friend class DropBoxManager; 81 }; 82 83 private: 84 enum { 85 HAS_BYTE_ARRAY = 8 86 }; 87 88 Status add(const Entry& entry); 89 }; 90 91 }} // namespace android::os 92 93 #endif // _ANDROID_OS_DROPBOXMANAGER_H 94 95