media/omx-plugin/include/ics/binder/IInterface.h@6474c204b198 (annotated)
media/omx-plugin/include/ics/binder/IInterface.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright (C) 2005 The Android Open Source Project |
| michael@0 | 3 | * |
| michael@0 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| michael@0 | 5 | * you may not use this file except in compliance with the License. |
| michael@0 | 6 | * You may obtain a copy of the License at |
| michael@0 | 7 | * |
| michael@0 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| michael@0 | 9 | * |
| michael@0 | 10 | * Unless required by applicable law or agreed to in writing, software |
| michael@0 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| michael@0 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| michael@0 | 13 | * See the License for the specific language governing permissions and |
| michael@0 | 14 | * limitations under the License. |
| michael@0 | 15 | */ |
| michael@0 | 16 | |
| michael@0 | 17 | // |
| michael@0 | 18 | #ifndef ANDROID_IINTERFACE_H |
| michael@0 | 19 | #define ANDROID_IINTERFACE_H |
| michael@0 | 20 | |
| michael@0 | 21 | #include <binder/Binder.h> |
| michael@0 | 22 | |
| michael@0 | 23 | namespace android { |
| michael@0 | 24 | |
| michael@0 | 25 | // ---------------------------------------------------------------------- |
| michael@0 | 26 | |
| michael@0 | 27 | class IInterface : public virtual RefBase |
| michael@0 | 28 | { |
| michael@0 | 29 | public: |
| michael@0 | 30 | IInterface(); |
| michael@0 | 31 | sp<IBinder> asBinder(); |
| michael@0 | 32 | sp<const IBinder> asBinder() const; |
| michael@0 | 33 | |
| michael@0 | 34 | protected: |
| michael@0 | 35 | virtual ~IInterface(); |
| michael@0 | 36 | virtual IBinder* onAsBinder() = 0; |
| michael@0 | 37 | }; |
| michael@0 | 38 | |
| michael@0 | 39 | // ---------------------------------------------------------------------- |
| michael@0 | 40 | |
| michael@0 | 41 | template<typename INTERFACE> |
| michael@0 | 42 | inline sp<INTERFACE> interface_cast(const sp<IBinder>& obj) |
| michael@0 | 43 | { |
| michael@0 | 44 | return INTERFACE::asInterface(obj); |
| michael@0 | 45 | } |
| michael@0 | 46 | |
| michael@0 | 47 | // ---------------------------------------------------------------------- |
| michael@0 | 48 | |
| michael@0 | 49 | template<typename INTERFACE> |
| michael@0 | 50 | class BnInterface : public INTERFACE, public BBinder |
| michael@0 | 51 | { |
| michael@0 | 52 | public: |
| michael@0 | 53 | virtual sp<IInterface> queryLocalInterface(const String16& _descriptor); |
| michael@0 | 54 | virtual const String16& getInterfaceDescriptor() const; |
| michael@0 | 55 | |
| michael@0 | 56 | protected: |
| michael@0 | 57 | virtual IBinder* onAsBinder(); |
| michael@0 | 58 | }; |
| michael@0 | 59 | |
| michael@0 | 60 | // ---------------------------------------------------------------------- |
| michael@0 | 61 | |
| michael@0 | 62 | template<typename INTERFACE> |
| michael@0 | 63 | class BpInterface : public INTERFACE, public BpRefBase |
| michael@0 | 64 | { |
| michael@0 | 65 | public: |
| michael@0 | 66 | BpInterface(const sp<IBinder>& remote); |
| michael@0 | 67 | |
| michael@0 | 68 | protected: |
| michael@0 | 69 | virtual IBinder* onAsBinder(); |
| michael@0 | 70 | }; |
| michael@0 | 71 | |
| michael@0 | 72 | // ---------------------------------------------------------------------- |
| michael@0 | 73 | |
| michael@0 | 74 | #define DECLARE_META_INTERFACE(INTERFACE) \ |
| michael@0 | 75 | static const android::String16 descriptor; \ |
| michael@0 | 76 | static android::sp<I##INTERFACE> asInterface( \ |
| michael@0 | 77 | const android::sp<android::IBinder>& obj); \ |
| michael@0 | 78 | virtual const android::String16& getInterfaceDescriptor() const; \ |
| michael@0 | 79 | I##INTERFACE(); \ |
| michael@0 | 80 | virtual ~I##INTERFACE(); \ |
| michael@0 | 81 | |
| michael@0 | 82 | |
| michael@0 | 83 | #define IMPLEMENT_META_INTERFACE(INTERFACE, NAME) \ |
| michael@0 | 84 | const android::String16 I##INTERFACE::descriptor(NAME); \ |
| michael@0 | 85 | const android::String16& \ |
| michael@0 | 86 | I##INTERFACE::getInterfaceDescriptor() const { \ |
| michael@0 | 87 | return I##INTERFACE::descriptor; \ |
| michael@0 | 88 | } \ |
| michael@0 | 89 | android::sp<I##INTERFACE> I##INTERFACE::asInterface( \ |
| michael@0 | 90 | const android::sp<android::IBinder>& obj) \ |
| michael@0 | 91 | { \ |
| michael@0 | 92 | android::sp<I##INTERFACE> intr; \ |
| michael@0 | 93 | if (obj != NULL) { \ |
| michael@0 | 94 | intr = static_cast<I##INTERFACE*>( \ |
| michael@0 | 95 | obj->queryLocalInterface( \ |
| michael@0 | 96 | I##INTERFACE::descriptor).get()); \ |
| michael@0 | 97 | if (intr == NULL) { \ |
| michael@0 | 98 | intr = new Bp##INTERFACE(obj); \ |
| michael@0 | 99 | } \ |
| michael@0 | 100 | } \ |
| michael@0 | 101 | return intr; \ |
| michael@0 | 102 | } \ |
| michael@0 | 103 | I##INTERFACE::I##INTERFACE() { } \ |
| michael@0 | 104 | I##INTERFACE::~I##INTERFACE() { } \ |
| michael@0 | 105 | |
| michael@0 | 106 | |
| michael@0 | 107 | #define CHECK_INTERFACE(interface, data, reply) \ |
| michael@0 | 108 | if (!data.checkInterface(this)) { return PERMISSION_DENIED; } \ |
| michael@0 | 109 | |
| michael@0 | 110 | |
| michael@0 | 111 | // ---------------------------------------------------------------------- |
| michael@0 | 112 | // No user-serviceable parts after this... |
| michael@0 | 113 | |
| michael@0 | 114 | template<typename INTERFACE> |
| michael@0 | 115 | inline sp<IInterface> BnInterface<INTERFACE>::queryLocalInterface( |
| michael@0 | 116 | const String16& _descriptor) |
| michael@0 | 117 | { |
| michael@0 | 118 | if (_descriptor == INTERFACE::descriptor) return this; |
| michael@0 | 119 | return NULL; |
| michael@0 | 120 | } |
| michael@0 | 121 | |
| michael@0 | 122 | template<typename INTERFACE> |
| michael@0 | 123 | inline const String16& BnInterface<INTERFACE>::getInterfaceDescriptor() const |
| michael@0 | 124 | { |
| michael@0 | 125 | return INTERFACE::getInterfaceDescriptor(); |
| michael@0 | 126 | } |
| michael@0 | 127 | |
| michael@0 | 128 | template<typename INTERFACE> |
| michael@0 | 129 | IBinder* BnInterface<INTERFACE>::onAsBinder() |
| michael@0 | 130 | { |
| michael@0 | 131 | return this; |
| michael@0 | 132 | } |
| michael@0 | 133 | |
| michael@0 | 134 | template<typename INTERFACE> |
| michael@0 | 135 | inline BpInterface<INTERFACE>::BpInterface(const sp<IBinder>& remote) |
| michael@0 | 136 | : BpRefBase(remote) |
| michael@0 | 137 | { |
| michael@0 | 138 | } |
| michael@0 | 139 | |
| michael@0 | 140 | template<typename INTERFACE> |
| michael@0 | 141 | inline IBinder* BpInterface<INTERFACE>::onAsBinder() |
| michael@0 | 142 | { |
| michael@0 | 143 | return remote(); |
| michael@0 | 144 | } |
| michael@0 | 145 | |
| michael@0 | 146 | // ---------------------------------------------------------------------- |
| michael@0 | 147 | |
| michael@0 | 148 | }; // namespace android |
| michael@0 | 149 | |
| michael@0 | 150 | #endif // ANDROID_IINTERFACE_H |
