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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /media/omx-plugin/include/ics/binder/IInterface.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/omx-plugin/include/ics/binder/IInterface.h')
-rw-r--r-- | media/omx-plugin/include/ics/binder/IInterface.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/media/omx-plugin/include/ics/binder/IInterface.h b/media/omx-plugin/include/ics/binder/IInterface.h new file mode 100644 index 000000000..5f9f69c04 --- /dev/null +++ b/media/omx-plugin/include/ics/binder/IInterface.h @@ -0,0 +1,150 @@ +/* + * Copyright (C) 2005 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// +#ifndef ANDROID_IINTERFACE_H +#define ANDROID_IINTERFACE_H + +#include <binder/Binder.h> + +namespace android { + +// ---------------------------------------------------------------------- + +class IInterface : public virtual RefBase +{ +public: + IInterface(); + sp<IBinder> asBinder(); + sp<const IBinder> asBinder() const; + +protected: + virtual ~IInterface(); + virtual IBinder* onAsBinder() = 0; +}; + +// ---------------------------------------------------------------------- + +template<typename INTERFACE> +inline sp<INTERFACE> interface_cast(const sp<IBinder>& obj) +{ + return INTERFACE::asInterface(obj); +} + +// ---------------------------------------------------------------------- + +template<typename INTERFACE> +class BnInterface : public INTERFACE, public BBinder +{ +public: + virtual sp<IInterface> queryLocalInterface(const String16& _descriptor); + virtual const String16& getInterfaceDescriptor() const; + +protected: + virtual IBinder* onAsBinder(); +}; + +// ---------------------------------------------------------------------- + +template<typename INTERFACE> +class BpInterface : public INTERFACE, public BpRefBase +{ +public: + BpInterface(const sp<IBinder>& remote); + +protected: + virtual IBinder* onAsBinder(); +}; + +// ---------------------------------------------------------------------- + +#define DECLARE_META_INTERFACE(INTERFACE) \ + static const android::String16 descriptor; \ + static android::sp<I##INTERFACE> asInterface( \ + const android::sp<android::IBinder>& obj); \ + virtual const android::String16& getInterfaceDescriptor() const; \ + I##INTERFACE(); \ + virtual ~I##INTERFACE(); \ + + +#define IMPLEMENT_META_INTERFACE(INTERFACE, NAME) \ + const android::String16 I##INTERFACE::descriptor(NAME); \ + const android::String16& \ + I##INTERFACE::getInterfaceDescriptor() const { \ + return I##INTERFACE::descriptor; \ + } \ + android::sp<I##INTERFACE> I##INTERFACE::asInterface( \ + const android::sp<android::IBinder>& obj) \ + { \ + android::sp<I##INTERFACE> intr; \ + if (obj != NULL) { \ + intr = static_cast<I##INTERFACE*>( \ + obj->queryLocalInterface( \ + I##INTERFACE::descriptor).get()); \ + if (intr == NULL) { \ + intr = new Bp##INTERFACE(obj); \ + } \ + } \ + return intr; \ + } \ + I##INTERFACE::I##INTERFACE() { } \ + I##INTERFACE::~I##INTERFACE() { } \ + + +#define CHECK_INTERFACE(interface, data, reply) \ + if (!data.checkInterface(this)) { return PERMISSION_DENIED; } \ + + +// ---------------------------------------------------------------------- +// No user-serviceable parts after this... + +template<typename INTERFACE> +inline sp<IInterface> BnInterface<INTERFACE>::queryLocalInterface( + const String16& _descriptor) +{ + if (_descriptor == INTERFACE::descriptor) return this; + return NULL; +} + +template<typename INTERFACE> +inline const String16& BnInterface<INTERFACE>::getInterfaceDescriptor() const +{ + return INTERFACE::getInterfaceDescriptor(); +} + +template<typename INTERFACE> +IBinder* BnInterface<INTERFACE>::onAsBinder() +{ + return this; +} + +template<typename INTERFACE> +inline BpInterface<INTERFACE>::BpInterface(const sp<IBinder>& remote) + : BpRefBase(remote) +{ +} + +template<typename INTERFACE> +inline IBinder* BpInterface<INTERFACE>::onAsBinder() +{ + return remote(); +} + +// ---------------------------------------------------------------------- + +}; // namespace android + +#endif // ANDROID_IINTERFACE_H |