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| 1 $$ This is a pump file for generating file templates. Pump is a python |
| 2 $$ script that is part of the Google Test suite of utilities. Description |
| 3 $$ can be found here: |
| 4 $$ |
| 5 $$ http://code.google.com/p/googletest/wiki/PumpManual |
| 6 $$ |
| 7 |
| 8 $var MAX_ARITY = 7 |
| 9 |
| 10 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 11 // Use of this source code is governed by a BSD-style license that can be |
| 12 // found in the LICENSE file. |
| 13 |
| 14 #ifndef MOJO_PUBLIC_BINDINGS_CALLBACK_H_ |
| 15 #define MOJO_PUBLIC_BINDINGS_CALLBACK_H_ |
| 16 |
| 17 #include "mojo/public/bindings/lib/callback_internal.h" |
| 18 #include "mojo/public/bindings/lib/shared_ptr.h" |
| 19 |
| 20 namespace mojo { |
| 21 |
| 22 template <typename Sig> |
| 23 class Callback; |
| 24 |
| 25 $range ARITY 0..MAX_ARITY |
| 26 $for ARITY [[ |
| 27 $range ARG 1..ARITY |
| 28 |
| 29 template <$for ARG , [[typename A$(ARG)]]> |
| 30 class Callback<void($for ARG , [[A$(ARG)]])> { |
| 31 public: |
| 32 struct Runnable { |
| 33 virtual ~Runnable() {} |
| 34 virtual void Run( |
| 35 $for ARG , |
| 36 [[typename internal::Callback_ParamTraits<A$(ARG)>::ForwardType a$(ARG)]
]) const = 0; |
| 37 }; |
| 38 |
| 39 Callback() {} |
| 40 |
| 41 // The Callback assumes ownership of |runnable|. |
| 42 explicit Callback(Runnable* runnable) : sink_(runnable) {} |
| 43 |
| 44 // Any class that is copy-constructable and has a compatible Run method may |
| 45 // be adapted to a Callback using this constructor. |
| 46 template <typename Sink> |
| 47 Callback(const Sink& sink) : sink_(new Adapter<Sink>(sink)) {} |
| 48 |
| 49 void Run( |
| 50 $for ARG , |
| 51 [[typename internal::Callback_ParamTraits<A$(ARG)>::ForwardType a$(ARG)]])
const { |
| 52 if (sink_.get()) |
| 53 sink_->Run( |
| 54 $for ARG , |
| 55 [[internal::Callback_Forward(a$(ARG))]]); |
| 56 } |
| 57 |
| 58 private: |
| 59 template <typename Sink> |
| 60 struct Adapter : public Runnable { |
| 61 explicit Adapter(const Sink& sink) : sink(sink) {} |
| 62 virtual void Run( |
| 63 $for ARG , |
| 64 [[typename internal::Callback_ParamTraits<A$(ARG)>::ForwardType a$(ARG)]
]) const MOJO_OVERRIDE { |
| 65 sink.Run( |
| 66 $for ARG , |
| 67 [[internal::Callback_Forward(a$(ARG))]]); |
| 68 } |
| 69 Sink sink; |
| 70 }; |
| 71 |
| 72 internal::SharedPtr<Runnable> sink_; |
| 73 }; |
| 74 |
| 75 ]] $$ for ARITY |
| 76 |
| 77 } // namespace mojo |
| 78 |
| 79 #endif // MOJO_PUBLIC_BINDINGS_CALLBACK_H_ |
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