The Tor Browser / file comparison
comparison: media/omx-plugin/include/froyo/binder/IInterface.h
media/omx-plugin/include/froyo/binder/IInterface.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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replaced
| -1:000000000000 | 0:d86e29464e5e |
|---|---|
| 1 /* | |
| 2 * Copyright (C) 2005 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 // | |
| 18 #ifndef ANDROID_IINTERFACE_H | |
| 19 #define ANDROID_IINTERFACE_H | |
| 20 | |
| 21 #include <binder/Binder.h> | |
| 22 | |
| 23 namespace android { | |
| 24 | |
| 25 // ---------------------------------------------------------------------- | |
| 26 | |
| 27 class IInterface : public virtual RefBase | |
| 28 { | |
| 29 public: | |
| 30 IInterface(); | |
| 31 sp<IBinder> asBinder(); | |
| 32 sp<const IBinder> asBinder() const; | |
| 33 | |
| 34 protected: | |
| 35 virtual ~IInterface(); | |
| 36 virtual IBinder* onAsBinder() = 0; | |
| 37 }; | |
| 38 | |
| 39 // ---------------------------------------------------------------------- | |
| 40 | |
| 41 template<typename INTERFACE> | |
| 42 inline sp<INTERFACE> interface_cast(const sp<IBinder>& obj) | |
| 43 { | |
| 44 return INTERFACE::asInterface(obj); | |
| 45 } | |
| 46 | |
| 47 // ---------------------------------------------------------------------- | |
| 48 | |
| 49 template<typename INTERFACE> | |
| 50 class BnInterface : public INTERFACE, public BBinder | |
| 51 { | |
| 52 public: | |
| 53 virtual sp<IInterface> queryLocalInterface(const String16& _descriptor); | |
| 54 virtual const String16& getInterfaceDescriptor() const; | |
| 55 | |
| 56 protected: | |
| 57 virtual IBinder* onAsBinder(); | |
| 58 }; | |
| 59 | |
| 60 // ---------------------------------------------------------------------- | |
| 61 | |
| 62 template<typename INTERFACE> | |
| 63 class BpInterface : public INTERFACE, public BpRefBase | |
| 64 { | |
| 65 public: | |
| 66 BpInterface(const sp<IBinder>& remote); | |
| 67 | |
| 68 protected: | |
| 69 virtual IBinder* onAsBinder(); | |
| 70 }; | |
| 71 | |
| 72 // ---------------------------------------------------------------------- | |
| 73 | |
| 74 #define DECLARE_META_INTERFACE(INTERFACE) \ | |
| 75 static const String16 descriptor; \ | |
| 76 static sp<I##INTERFACE> asInterface(const sp<IBinder>& obj); \ | |
| 77 virtual const String16& getInterfaceDescriptor() const; \ | |
| 78 I##INTERFACE(); \ | |
| 79 virtual ~I##INTERFACE(); \ | |
| 80 | |
| 81 | |
| 82 #define IMPLEMENT_META_INTERFACE(INTERFACE, NAME) \ | |
| 83 const String16 I##INTERFACE::descriptor(NAME); \ | |
| 84 const String16& I##INTERFACE::getInterfaceDescriptor() const { \ | |
| 85 return I##INTERFACE::descriptor; \ | |
| 86 } \ | |
| 87 sp<I##INTERFACE> I##INTERFACE::asInterface(const sp<IBinder>& obj) \ | |
| 88 { \ | |
| 89 sp<I##INTERFACE> intr; \ | |
| 90 if (obj != NULL) { \ | |
| 91 intr = static_cast<I##INTERFACE*>( \ | |
| 92 obj->queryLocalInterface( \ | |
| 93 I##INTERFACE::descriptor).get()); \ | |
| 94 if (intr == NULL) { \ | |
| 95 intr = new Bp##INTERFACE(obj); \ | |
| 96 } \ | |
| 97 } \ | |
| 98 return intr; \ | |
| 99 } \ | |
| 100 I##INTERFACE::I##INTERFACE() { } \ | |
| 101 I##INTERFACE::~I##INTERFACE() { } \ | |
| 102 | |
| 103 | |
| 104 #define CHECK_INTERFACE(interface, data, reply) \ | |
| 105 if (!data.checkInterface(this)) { return PERMISSION_DENIED; } \ | |
| 106 | |
| 107 | |
| 108 // ---------------------------------------------------------------------- | |
| 109 // No user-serviceable parts after this... | |
| 110 | |
| 111 template<typename INTERFACE> | |
| 112 inline sp<IInterface> BnInterface<INTERFACE>::queryLocalInterface( | |
| 113 const String16& _descriptor) | |
| 114 { | |
| 115 if (_descriptor == INTERFACE::descriptor) return this; | |
| 116 return NULL; | |
| 117 } | |
| 118 | |
| 119 template<typename INTERFACE> | |
| 120 inline const String16& BnInterface<INTERFACE>::getInterfaceDescriptor() const | |
| 121 { | |
| 122 return INTERFACE::getInterfaceDescriptor(); | |
| 123 } | |
| 124 | |
| 125 template<typename INTERFACE> | |
| 126 IBinder* BnInterface<INTERFACE>::onAsBinder() | |
| 127 { | |
| 128 return this; | |
| 129 } | |
| 130 | |
| 131 template<typename INTERFACE> | |
| 132 inline BpInterface<INTERFACE>::BpInterface(const sp<IBinder>& remote) | |
| 133 : BpRefBase(remote) | |
| 134 { | |
| 135 } | |
| 136 | |
| 137 template<typename INTERFACE> | |
| 138 inline IBinder* BpInterface<INTERFACE>::onAsBinder() | |
| 139 { | |
| 140 return remote(); | |
| 141 } | |
| 142 | |
| 143 // ---------------------------------------------------------------------- | |
| 144 | |
| 145 }; // namespace android | |
| 146 | |
| 147 #endif // ANDROID_IINTERFACE_H |
