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comparison: ipc/dbus/DBusUtils.h
ipc/dbus/DBusUtils.h
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| 1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* | |
| 4 ** Copyright 2006, The Android Open Source Project | |
| 5 ** | |
| 6 ** Licensed under the Apache License, Version 2.0 (the "License"); | |
| 7 ** you may not use this file except in compliance with the License. | |
| 8 ** You may obtain a copy of the License at | |
| 9 ** | |
| 10 ** http://www.apache.org/licenses/LICENSE-2.0 | |
| 11 ** | |
| 12 ** Unless required by applicable law or agreed to in writing, software | |
| 13 ** distributed under the License is distributed on an "AS IS" BASIS, | |
| 14 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 15 ** See the License for the specific language governing permissions and | |
| 16 ** limitations under the License. | |
| 17 */ | |
| 18 | |
| 19 #ifndef mozilla_ipc_dbus_dbusutils_h__ | |
| 20 #define mozilla_ipc_dbus_dbusutils_h__ | |
| 21 | |
| 22 #include "mozilla/RefPtr.h" | |
| 23 | |
| 24 // LOGE and free a D-Bus error | |
| 25 // Using #define so that __FUNCTION__ resolves usefully | |
| 26 #define LOG_AND_FREE_DBUS_ERROR_WITH_MSG(err, msg) log_and_free_dbus_error(err, __FUNCTION__, msg); | |
| 27 #define LOG_AND_FREE_DBUS_ERROR(err) log_and_free_dbus_error(err, __FUNCTION__); | |
| 28 | |
| 29 struct DBusError; | |
| 30 struct DBusMessage; | |
| 31 | |
| 32 namespace mozilla { | |
| 33 namespace ipc { | |
| 34 | |
| 35 class DBusMessageRefPtr | |
| 36 { | |
| 37 public: | |
| 38 DBusMessageRefPtr(DBusMessage* aMsg); | |
| 39 ~DBusMessageRefPtr(); | |
| 40 | |
| 41 operator DBusMessage* () | |
| 42 { | |
| 43 return mMsg; | |
| 44 } | |
| 45 | |
| 46 DBusMessage* get() | |
| 47 { | |
| 48 return mMsg; | |
| 49 } | |
| 50 | |
| 51 private: | |
| 52 DBusMessage* mMsg; | |
| 53 }; | |
| 54 | |
| 55 /** | |
| 56 * DBusReplyHandler represents a handler for DBus reply messages. Inherit | |
| 57 * from this class and implement the Handle method. The method Callback | |
| 58 * should be passed to the DBus send function, with the class instance as | |
| 59 * user-data argument. | |
| 60 */ | |
| 61 class DBusReplyHandler | |
| 62 { | |
| 63 public: | |
| 64 NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DBusReplyHandler) | |
| 65 | |
| 66 /** | |
| 67 * Implements a call-back function for DBus. The supplied value for | |
| 68 * aData must be a pointer to an instance of DBusReplyHandler. | |
| 69 */ | |
| 70 static void Callback(DBusMessage* aReply, void* aData); | |
| 71 | |
| 72 /** | |
| 73 * Call-back method for handling the reply message from DBus. | |
| 74 */ | |
| 75 virtual void Handle(DBusMessage* aReply) = 0; | |
| 76 | |
| 77 protected: | |
| 78 DBusReplyHandler() | |
| 79 { | |
| 80 } | |
| 81 | |
| 82 DBusReplyHandler(const DBusReplyHandler& aHandler) | |
| 83 { | |
| 84 } | |
| 85 | |
| 86 DBusReplyHandler& operator = (const DBusReplyHandler& aRhs) | |
| 87 { | |
| 88 return *this; | |
| 89 } | |
| 90 | |
| 91 virtual ~DBusReplyHandler() | |
| 92 { | |
| 93 } | |
| 94 }; | |
| 95 | |
| 96 void log_and_free_dbus_error(DBusError* err, | |
| 97 const char* function, | |
| 98 DBusMessage* msg = nullptr); | |
| 99 | |
| 100 int dbus_returns_int32(DBusMessage *reply); | |
| 101 | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 #endif | |
| 106 |
