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media/omx-plugin/include/froyo/binder/IInterface.h@6474c204b198 (annotated)

media/omx-plugin/include/froyo/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 String16 descriptor; \
michael@0	76	static sp<I##INTERFACE> asInterface(const sp<IBinder>& obj); \
michael@0	77	virtual const String16& getInterfaceDescriptor() const; \
michael@0	78	I##INTERFACE(); \
michael@0	79	virtual ~I##INTERFACE(); \
michael@0	80
michael@0	81
michael@0	82	#define IMPLEMENT_META_INTERFACE(INTERFACE, NAME) \
michael@0	83	const String16 I##INTERFACE::descriptor(NAME); \
michael@0	84	const String16& I##INTERFACE::getInterfaceDescriptor() const { \
michael@0	85	return I##INTERFACE::descriptor; \
michael@0	86	} \
michael@0	87	sp<I##INTERFACE> I##INTERFACE::asInterface(const sp<IBinder>& obj) \
michael@0	88	{ \
michael@0	89	sp<I##INTERFACE> intr; \
michael@0	90	if (obj != NULL) { \
michael@0	91	intr = static_cast<I##INTERFACE*>( \
michael@0	92	obj->queryLocalInterface( \
michael@0	93	I##INTERFACE::descriptor).get()); \
michael@0	94	if (intr == NULL) { \
michael@0	95	intr = new Bp##INTERFACE(obj); \
michael@0	96	} \
michael@0	97	} \
michael@0	98	return intr; \
michael@0	99	} \
michael@0	100	I##INTERFACE::I##INTERFACE() { } \
michael@0	101	I##INTERFACE::~I##INTERFACE() { } \
michael@0	102
michael@0	103
michael@0	104	#define CHECK_INTERFACE(interface, data, reply) \
michael@0	105	if (!data.checkInterface(this)) { return PERMISSION_DENIED; } \
michael@0	106
michael@0	107
michael@0	108	// ----------------------------------------------------------------------
michael@0	109	// No user-serviceable parts after this...
michael@0	110
michael@0	111	template<typename INTERFACE>
michael@0	112	inline sp<IInterface> BnInterface<INTERFACE>::queryLocalInterface(
michael@0	113	const String16& _descriptor)
michael@0	114	{
michael@0	115	if (_descriptor == INTERFACE::descriptor) return this;
michael@0	116	return NULL;
michael@0	117	}
michael@0	118
michael@0	119	template<typename INTERFACE>
michael@0	120	inline const String16& BnInterface<INTERFACE>::getInterfaceDescriptor() const
michael@0	121	{
michael@0	122	return INTERFACE::getInterfaceDescriptor();
michael@0	123	}
michael@0	124
michael@0	125	template<typename INTERFACE>
michael@0	126	IBinder* BnInterface<INTERFACE>::onAsBinder()
michael@0	127	{
michael@0	128	return this;
michael@0	129	}
michael@0	130
michael@0	131	template<typename INTERFACE>
michael@0	132	inline BpInterface<INTERFACE>::BpInterface(const sp<IBinder>& remote)
michael@0	133	: BpRefBase(remote)
michael@0	134	{
michael@0	135	}
michael@0	136
michael@0	137	template<typename INTERFACE>
michael@0	138	inline IBinder* BpInterface<INTERFACE>::onAsBinder()
michael@0	139	{
michael@0	140	return remote();
michael@0	141	}
michael@0	142
michael@0	143	// ----------------------------------------------------------------------
michael@0	144
michael@0	145	}; // namespace android
michael@0	146
michael@0	147	#endif // ANDROID_IINTERFACE_H