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Diffstat (limited to 'chromium/media/base/bind_to_loop.h.pump')
-rw-r--r-- | chromium/media/base/bind_to_loop.h.pump | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/chromium/media/base/bind_to_loop.h.pump b/chromium/media/base/bind_to_loop.h.pump deleted file mode 100644 index 8490413eb1c..00000000000 --- a/chromium/media/base/bind_to_loop.h.pump +++ /dev/null @@ -1,96 +0,0 @@ -$$ This is a pump file for generating file templates. Pump is a python -$$ script that is part of the Google Test suite of utilities. Description -$$ can be found here: -$$ -$$ http://code.google.com/p/googletest/wiki/PumpManual -$$ - -$$ See comment for MAX_ARITY in base/bind.h.pump. -$var MAX_ARITY = 7 - -// Copyright (c) 2012 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifndef MEDIA_BASE_BIND_TO_LOOP_H_ -#define MEDIA_BASE_BIND_TO_LOOP_H_ - -#include "base/bind.h" -#include "base/location.h" -#include "base/message_loop/message_loop_proxy.h" - -// This is a helper utility for base::Bind()ing callbacks on to particular -// MessageLoops. A typical use is when |a| (of class |A|) wants to hand a -// callback such as base::Bind(&A::AMethod, a) to |b|, but needs to ensure that -// when |b| executes the callback, it does so on a particular MessageLoop. -// -// Typical usage: request to be called back on the current thread: -// other->StartAsyncProcessAndCallMeBack( -// media::BindToLoop(MessageLoopProxy::current(), -// base::Bind(&MyClass::MyMethod, this))); -// -// Note that like base::Bind(), BindToLoop() can't bind non-constant references, -// and that *unlike* base::Bind(), BindToLoop() makes copies of its arguments, -// and thus can't be used with arrays. - -namespace media { - -// Mimic base::internal::CallbackForward, replacing p.Pass() with -// base::Passed(&p) to account for the extra layer of indirection. -namespace internal { -template <typename T> -T& TrampolineForward(T& t) { return t; } - -template <typename T> -base::internal::PassedWrapper<scoped_ptr<T> > TrampolineForward( - scoped_ptr<T>& p) { return base::Passed(&p); } - -template <typename T, typename R> -base::internal::PassedWrapper<scoped_ptr_malloc<T, R> > TrampolineForward( - scoped_ptr_malloc<T, R>& p) { return base::Passed(&p); } - -template <typename T> -base::internal::PassedWrapper<ScopedVector<T> > TrampolineForward( - ScopedVector<T>& p) { return base::Passed(&p); } - -template <typename T> struct TrampolineHelper; - -$range ARITY 0..MAX_ARITY -$for ARITY [[ -$range ARG 1..ARITY - -template <$for ARG , [[typename A$(ARG)]]> -struct TrampolineHelper<void($for ARG , [[A$(ARG)]])> { - static void Run( - const scoped_refptr<base::MessageLoopProxy>& loop, - const base::Callback<void($for ARG , [[A$(ARG)]])>& cb -$if ARITY != 0 [[, ]] -$for ARG , [[A$(ARG) a$(ARG)]] -) { - loop->PostTask(FROM_HERE, base::Bind(cb -$if ARITY != 0 [[, ]] -$for ARG , [[internal::TrampolineForward(a$(ARG))]])); - } -}; - - -]] $$ for ARITY - -} // namespace internal - -template<typename T> -static base::Callback<T> BindToLoop( - const scoped_refptr<base::MessageLoopProxy>& loop, - const base::Callback<T>& cb) { - return base::Bind(&internal::TrampolineHelper<T>::Run, loop, cb); -} - -template<typename T> -static base::Callback<T> BindToCurrentLoop( - const base::Callback<T>& cb) { - return BindToLoop(base::MessageLoopProxy::current(), cb); -} - -} // namespace media - -#endif // MEDIA_BASE_BIND_TO_LOOP_H_ |