be43a39ff5
Add a library that wraps libbinder to make it possible to write tests for native code that communicates via binder. Bug: 23791723 Change-Id: I3c842413e0f07dc252040c042d664031b0354353
77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SYSTEM_CORE_INCLUDE_BINDERWRAPPER_BINDER_WRAPPER_H_
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#define SYSTEM_CORE_INCLUDE_BINDERWRAPPER_BINDER_WRAPPER_H_
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#include <string>
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#include <base/callback.h>
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#include <utils/StrongPointer.h>
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namespace android {
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class BBinder;
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class IBinder;
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// Wraps libbinder to make it testable.
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class BinderWrapper {
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public:
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virtual ~BinderWrapper() {}
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// Creates and initializes the singleton (using a wrapper that communicates
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// with the real binder system).
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static void Create();
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// Initializes |wrapper| as the singleton, taking ownership of it. Tests that
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// want to inject their own wrappers should call this instead of Create().
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static void InitForTesting(BinderWrapper* wrapper);
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// Destroys the singleton. Must be called before calling Create() or
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// InitForTesting() a second time.
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static void Destroy();
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// Returns the singleton instance previously created by Create() or set by
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// InitForTesting().
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static BinderWrapper* Get();
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// Gets the binder for communicating with the service identified by
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// |service_name|, returning null immediately if it doesn't exist.
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virtual sp<IBinder> GetService(const std::string& service_name) = 0;
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// Registers |binder| as |service_name| with the service manager.
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virtual bool RegisterService(const std::string& service_name,
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const sp<IBinder>& binder) = 0;
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// Creates a local binder object.
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virtual sp<BBinder> CreateLocalBinder() = 0;
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// Registers |callback| to be invoked when |binder| dies. If another callback
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// is currently registered for |binder|, it will be replaced.
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virtual bool RegisterForDeathNotifications(
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const sp<IBinder>& binder,
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const base::Closure& callback) = 0;
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// Unregisters the callback, if any, for |binder|.
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virtual bool UnregisterForDeathNotifications(const sp<IBinder>& binder) = 0;
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private:
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static BinderWrapper* instance_;
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};
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} // namespace android
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#endif // SYSTEM_CORE_INCLUDE_BINDERWRAPPER_BINDER_WRAPPER_H_
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