549 lines
28 KiB
C++
549 lines
28 KiB
C++
// Copyright (c) 2014 Marshall A. Greenblatt. Portions copyright (c) 2011
|
|
// Google Inc. All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Google Inc. nor the name Chromium Embedded
|
|
// Framework nor the names of its contributors may be used to endorse
|
|
// or promote products derived from this software without specific prior
|
|
// written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
#ifndef CEF_INCLUDE_BASE_CEF_BIND_H_
|
|
#define CEF_INCLUDE_BASE_CEF_BIND_H_
|
|
#pragma once
|
|
|
|
#if defined(BASE_BIND_H_)
|
|
// Do nothing if the Chromium header has already been included.
|
|
// This can happen in cases where Chromium code is used directly by the
|
|
// client application. When using Chromium code directly always include
|
|
// the Chromium header first to avoid type conflicts.
|
|
#elif defined(BUILDING_CEF_SHARED)
|
|
// When building CEF include the Chromium header directly.
|
|
#include "base/bind.h"
|
|
#else // !BUILDING_CEF_SHARED
|
|
// The following is substantially similar to the Chromium implementation.
|
|
// If the Chromium implementation diverges the below implementation should be
|
|
// updated to match.
|
|
|
|
#include "include/base/internal/cef_bind_internal.h"
|
|
#include "include/base/internal/cef_callback_internal.h"
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Usage documentation
|
|
// -----------------------------------------------------------------------------
|
|
//
|
|
// See base/cef_callback.h for documentation.
|
|
//
|
|
//
|
|
// -----------------------------------------------------------------------------
|
|
// Implementation notes
|
|
// -----------------------------------------------------------------------------
|
|
//
|
|
// If you're reading the implementation, before proceeding further, you should
|
|
// read the top comment of base/bind_internal.h for a definition of common
|
|
// terms and concepts.
|
|
//
|
|
// RETURN TYPES
|
|
//
|
|
// Though Bind()'s result is meant to be stored in a Callback<> type, it
|
|
// cannot actually return the exact type without requiring a large amount
|
|
// of extra template specializations. The problem is that in order to
|
|
// discern the correct specialization of Callback<>, Bind would need to
|
|
// unwrap the function signature to determine the signature's arity, and
|
|
// whether or not it is a method.
|
|
//
|
|
// Each unique combination of (arity, function_type, num_prebound) where
|
|
// function_type is one of {function, method, const_method} would require
|
|
// one specialization. We eventually have to do a similar number of
|
|
// specializations anyways in the implementation (see the Invoker<>,
|
|
// classes). However, it is avoidable in Bind if we return the result
|
|
// via an indirection like we do below.
|
|
//
|
|
// TODO(ajwong): We might be able to avoid this now, but need to test.
|
|
//
|
|
// It is possible to move most of the COMPILE_ASSERT asserts into BindState<>,
|
|
// but it feels a little nicer to have the asserts here so people do not
|
|
// need to crack open bind_internal.h. On the other hand, it makes Bind()
|
|
// harder to read.
|
|
|
|
namespace base {
|
|
|
|
template <typename Functor>
|
|
base::Callback<
|
|
typename cef_internal::BindState<
|
|
typename cef_internal::FunctorTraits<Functor>::RunnableType,
|
|
typename cef_internal::FunctorTraits<Functor>::RunType,
|
|
void()>
|
|
::UnboundRunType>
|
|
Bind(Functor functor) {
|
|
// Typedefs for how to store and run the functor.
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunnableType RunnableType;
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunType RunType;
|
|
|
|
typedef cef_internal::BindState<RunnableType, RunType, void()> BindState;
|
|
|
|
|
|
return Callback<typename BindState::UnboundRunType>(
|
|
new BindState(cef_internal::MakeRunnable(functor)));
|
|
}
|
|
|
|
template <typename Functor, typename P1>
|
|
base::Callback<
|
|
typename cef_internal::BindState<
|
|
typename cef_internal::FunctorTraits<Functor>::RunnableType,
|
|
typename cef_internal::FunctorTraits<Functor>::RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType)>
|
|
::UnboundRunType>
|
|
Bind(Functor functor, const P1& p1) {
|
|
// Typedefs for how to store and run the functor.
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunnableType RunnableType;
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunType RunType;
|
|
|
|
// Use RunnableType::RunType instead of RunType above because our
|
|
// checks should below for bound references need to know what the actual
|
|
// functor is going to interpret the argument as.
|
|
typedef cef_internal::FunctionTraits<typename RunnableType::RunType>
|
|
BoundFunctorTraits;
|
|
|
|
// Do not allow binding a non-const reference parameter. Non-const reference
|
|
// parameters are disallowed by the Google style guide. Also, binding a
|
|
// non-const reference parameter can make for subtle bugs because the
|
|
// invoked function will receive a reference to the stored copy of the
|
|
// argument and not the original.
|
|
COMPILE_ASSERT(
|
|
!(is_non_const_reference<typename BoundFunctorTraits::A1Type>::value ),
|
|
do_not_bind_functions_with_nonconst_ref);
|
|
|
|
// For methods, we need to be careful for parameter 1. We do not require
|
|
// a scoped_refptr because BindState<> itself takes care of AddRef() for
|
|
// methods. We also disallow binding of an array as the method's target
|
|
// object.
|
|
COMPILE_ASSERT(
|
|
cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!cef_internal::NeedsScopedRefptrButGetsRawPtr<P1>::value,
|
|
p1_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!is_array<P1>::value,
|
|
first_bound_argument_to_method_cannot_be_array);
|
|
typedef cef_internal::BindState<RunnableType, RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType)> BindState;
|
|
|
|
|
|
return Callback<typename BindState::UnboundRunType>(
|
|
new BindState(cef_internal::MakeRunnable(functor), p1));
|
|
}
|
|
|
|
template <typename Functor, typename P1, typename P2>
|
|
base::Callback<
|
|
typename cef_internal::BindState<
|
|
typename cef_internal::FunctorTraits<Functor>::RunnableType,
|
|
typename cef_internal::FunctorTraits<Functor>::RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType)>
|
|
::UnboundRunType>
|
|
Bind(Functor functor, const P1& p1, const P2& p2) {
|
|
// Typedefs for how to store and run the functor.
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunnableType RunnableType;
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunType RunType;
|
|
|
|
// Use RunnableType::RunType instead of RunType above because our
|
|
// checks should below for bound references need to know what the actual
|
|
// functor is going to interpret the argument as.
|
|
typedef cef_internal::FunctionTraits<typename RunnableType::RunType>
|
|
BoundFunctorTraits;
|
|
|
|
// Do not allow binding a non-const reference parameter. Non-const reference
|
|
// parameters are disallowed by the Google style guide. Also, binding a
|
|
// non-const reference parameter can make for subtle bugs because the
|
|
// invoked function will receive a reference to the stored copy of the
|
|
// argument and not the original.
|
|
COMPILE_ASSERT(
|
|
!(is_non_const_reference<typename BoundFunctorTraits::A1Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A2Type>::value ),
|
|
do_not_bind_functions_with_nonconst_ref);
|
|
|
|
// For methods, we need to be careful for parameter 1. We do not require
|
|
// a scoped_refptr because BindState<> itself takes care of AddRef() for
|
|
// methods. We also disallow binding of an array as the method's target
|
|
// object.
|
|
COMPILE_ASSERT(
|
|
cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!cef_internal::NeedsScopedRefptrButGetsRawPtr<P1>::value,
|
|
p1_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!is_array<P1>::value,
|
|
first_bound_argument_to_method_cannot_be_array);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P2>::value,
|
|
p2_is_refcounted_type_and_needs_scoped_refptr);
|
|
typedef cef_internal::BindState<RunnableType, RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType)> BindState;
|
|
|
|
|
|
return Callback<typename BindState::UnboundRunType>(
|
|
new BindState(cef_internal::MakeRunnable(functor), p1, p2));
|
|
}
|
|
|
|
template <typename Functor, typename P1, typename P2, typename P3>
|
|
base::Callback<
|
|
typename cef_internal::BindState<
|
|
typename cef_internal::FunctorTraits<Functor>::RunnableType,
|
|
typename cef_internal::FunctorTraits<Functor>::RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P3>::StorageType)>
|
|
::UnboundRunType>
|
|
Bind(Functor functor, const P1& p1, const P2& p2, const P3& p3) {
|
|
// Typedefs for how to store and run the functor.
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunnableType RunnableType;
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunType RunType;
|
|
|
|
// Use RunnableType::RunType instead of RunType above because our
|
|
// checks should below for bound references need to know what the actual
|
|
// functor is going to interpret the argument as.
|
|
typedef cef_internal::FunctionTraits<typename RunnableType::RunType>
|
|
BoundFunctorTraits;
|
|
|
|
// Do not allow binding a non-const reference parameter. Non-const reference
|
|
// parameters are disallowed by the Google style guide. Also, binding a
|
|
// non-const reference parameter can make for subtle bugs because the
|
|
// invoked function will receive a reference to the stored copy of the
|
|
// argument and not the original.
|
|
COMPILE_ASSERT(
|
|
!(is_non_const_reference<typename BoundFunctorTraits::A1Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A2Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A3Type>::value ),
|
|
do_not_bind_functions_with_nonconst_ref);
|
|
|
|
// For methods, we need to be careful for parameter 1. We do not require
|
|
// a scoped_refptr because BindState<> itself takes care of AddRef() for
|
|
// methods. We also disallow binding of an array as the method's target
|
|
// object.
|
|
COMPILE_ASSERT(
|
|
cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!cef_internal::NeedsScopedRefptrButGetsRawPtr<P1>::value,
|
|
p1_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!is_array<P1>::value,
|
|
first_bound_argument_to_method_cannot_be_array);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P2>::value,
|
|
p2_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P3>::value,
|
|
p3_is_refcounted_type_and_needs_scoped_refptr);
|
|
typedef cef_internal::BindState<RunnableType, RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P3>::StorageType)> BindState;
|
|
|
|
|
|
return Callback<typename BindState::UnboundRunType>(
|
|
new BindState(cef_internal::MakeRunnable(functor), p1, p2, p3));
|
|
}
|
|
|
|
template <typename Functor, typename P1, typename P2, typename P3, typename P4>
|
|
base::Callback<
|
|
typename cef_internal::BindState<
|
|
typename cef_internal::FunctorTraits<Functor>::RunnableType,
|
|
typename cef_internal::FunctorTraits<Functor>::RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P3>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P4>::StorageType)>
|
|
::UnboundRunType>
|
|
Bind(Functor functor, const P1& p1, const P2& p2, const P3& p3, const P4& p4) {
|
|
// Typedefs for how to store and run the functor.
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunnableType RunnableType;
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunType RunType;
|
|
|
|
// Use RunnableType::RunType instead of RunType above because our
|
|
// checks should below for bound references need to know what the actual
|
|
// functor is going to interpret the argument as.
|
|
typedef cef_internal::FunctionTraits<typename RunnableType::RunType>
|
|
BoundFunctorTraits;
|
|
|
|
// Do not allow binding a non-const reference parameter. Non-const reference
|
|
// parameters are disallowed by the Google style guide. Also, binding a
|
|
// non-const reference parameter can make for subtle bugs because the
|
|
// invoked function will receive a reference to the stored copy of the
|
|
// argument and not the original.
|
|
COMPILE_ASSERT(
|
|
!(is_non_const_reference<typename BoundFunctorTraits::A1Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A2Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A3Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A4Type>::value ),
|
|
do_not_bind_functions_with_nonconst_ref);
|
|
|
|
// For methods, we need to be careful for parameter 1. We do not require
|
|
// a scoped_refptr because BindState<> itself takes care of AddRef() for
|
|
// methods. We also disallow binding of an array as the method's target
|
|
// object.
|
|
COMPILE_ASSERT(
|
|
cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!cef_internal::NeedsScopedRefptrButGetsRawPtr<P1>::value,
|
|
p1_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!is_array<P1>::value,
|
|
first_bound_argument_to_method_cannot_be_array);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P2>::value,
|
|
p2_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P3>::value,
|
|
p3_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P4>::value,
|
|
p4_is_refcounted_type_and_needs_scoped_refptr);
|
|
typedef cef_internal::BindState<RunnableType, RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P3>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P4>::StorageType)> BindState;
|
|
|
|
|
|
return Callback<typename BindState::UnboundRunType>(
|
|
new BindState(cef_internal::MakeRunnable(functor), p1, p2, p3, p4));
|
|
}
|
|
|
|
template <typename Functor, typename P1, typename P2, typename P3, typename P4,
|
|
typename P5>
|
|
base::Callback<
|
|
typename cef_internal::BindState<
|
|
typename cef_internal::FunctorTraits<Functor>::RunnableType,
|
|
typename cef_internal::FunctorTraits<Functor>::RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P3>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P4>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P5>::StorageType)>
|
|
::UnboundRunType>
|
|
Bind(Functor functor, const P1& p1, const P2& p2, const P3& p3, const P4& p4,
|
|
const P5& p5) {
|
|
// Typedefs for how to store and run the functor.
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunnableType RunnableType;
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunType RunType;
|
|
|
|
// Use RunnableType::RunType instead of RunType above because our
|
|
// checks should below for bound references need to know what the actual
|
|
// functor is going to interpret the argument as.
|
|
typedef cef_internal::FunctionTraits<typename RunnableType::RunType>
|
|
BoundFunctorTraits;
|
|
|
|
// Do not allow binding a non-const reference parameter. Non-const reference
|
|
// parameters are disallowed by the Google style guide. Also, binding a
|
|
// non-const reference parameter can make for subtle bugs because the
|
|
// invoked function will receive a reference to the stored copy of the
|
|
// argument and not the original.
|
|
COMPILE_ASSERT(
|
|
!(is_non_const_reference<typename BoundFunctorTraits::A1Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A2Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A3Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A4Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A5Type>::value ),
|
|
do_not_bind_functions_with_nonconst_ref);
|
|
|
|
// For methods, we need to be careful for parameter 1. We do not require
|
|
// a scoped_refptr because BindState<> itself takes care of AddRef() for
|
|
// methods. We also disallow binding of an array as the method's target
|
|
// object.
|
|
COMPILE_ASSERT(
|
|
cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!cef_internal::NeedsScopedRefptrButGetsRawPtr<P1>::value,
|
|
p1_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!is_array<P1>::value,
|
|
first_bound_argument_to_method_cannot_be_array);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P2>::value,
|
|
p2_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P3>::value,
|
|
p3_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P4>::value,
|
|
p4_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P5>::value,
|
|
p5_is_refcounted_type_and_needs_scoped_refptr);
|
|
typedef cef_internal::BindState<RunnableType, RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P3>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P4>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P5>::StorageType)> BindState;
|
|
|
|
|
|
return Callback<typename BindState::UnboundRunType>(
|
|
new BindState(cef_internal::MakeRunnable(functor), p1, p2, p3, p4, p5));
|
|
}
|
|
|
|
template <typename Functor, typename P1, typename P2, typename P3, typename P4,
|
|
typename P5, typename P6>
|
|
base::Callback<
|
|
typename cef_internal::BindState<
|
|
typename cef_internal::FunctorTraits<Functor>::RunnableType,
|
|
typename cef_internal::FunctorTraits<Functor>::RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P3>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P4>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P5>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P6>::StorageType)>
|
|
::UnboundRunType>
|
|
Bind(Functor functor, const P1& p1, const P2& p2, const P3& p3, const P4& p4,
|
|
const P5& p5, const P6& p6) {
|
|
// Typedefs for how to store and run the functor.
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunnableType RunnableType;
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunType RunType;
|
|
|
|
// Use RunnableType::RunType instead of RunType above because our
|
|
// checks should below for bound references need to know what the actual
|
|
// functor is going to interpret the argument as.
|
|
typedef cef_internal::FunctionTraits<typename RunnableType::RunType>
|
|
BoundFunctorTraits;
|
|
|
|
// Do not allow binding a non-const reference parameter. Non-const reference
|
|
// parameters are disallowed by the Google style guide. Also, binding a
|
|
// non-const reference parameter can make for subtle bugs because the
|
|
// invoked function will receive a reference to the stored copy of the
|
|
// argument and not the original.
|
|
COMPILE_ASSERT(
|
|
!(is_non_const_reference<typename BoundFunctorTraits::A1Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A2Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A3Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A4Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A5Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A6Type>::value ),
|
|
do_not_bind_functions_with_nonconst_ref);
|
|
|
|
// For methods, we need to be careful for parameter 1. We do not require
|
|
// a scoped_refptr because BindState<> itself takes care of AddRef() for
|
|
// methods. We also disallow binding of an array as the method's target
|
|
// object.
|
|
COMPILE_ASSERT(
|
|
cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!cef_internal::NeedsScopedRefptrButGetsRawPtr<P1>::value,
|
|
p1_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!is_array<P1>::value,
|
|
first_bound_argument_to_method_cannot_be_array);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P2>::value,
|
|
p2_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P3>::value,
|
|
p3_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P4>::value,
|
|
p4_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P5>::value,
|
|
p5_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P6>::value,
|
|
p6_is_refcounted_type_and_needs_scoped_refptr);
|
|
typedef cef_internal::BindState<RunnableType, RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P3>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P4>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P5>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P6>::StorageType)> BindState;
|
|
|
|
|
|
return Callback<typename BindState::UnboundRunType>(
|
|
new BindState(cef_internal::MakeRunnable(functor), p1, p2, p3, p4, p5, p6));
|
|
}
|
|
|
|
template <typename Functor, typename P1, typename P2, typename P3, typename P4,
|
|
typename P5, typename P6, typename P7>
|
|
base::Callback<
|
|
typename cef_internal::BindState<
|
|
typename cef_internal::FunctorTraits<Functor>::RunnableType,
|
|
typename cef_internal::FunctorTraits<Functor>::RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P3>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P4>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P5>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P6>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P7>::StorageType)>
|
|
::UnboundRunType>
|
|
Bind(Functor functor, const P1& p1, const P2& p2, const P3& p3, const P4& p4,
|
|
const P5& p5, const P6& p6, const P7& p7) {
|
|
// Typedefs for how to store and run the functor.
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunnableType RunnableType;
|
|
typedef typename cef_internal::FunctorTraits<Functor>::RunType RunType;
|
|
|
|
// Use RunnableType::RunType instead of RunType above because our
|
|
// checks should below for bound references need to know what the actual
|
|
// functor is going to interpret the argument as.
|
|
typedef cef_internal::FunctionTraits<typename RunnableType::RunType>
|
|
BoundFunctorTraits;
|
|
|
|
// Do not allow binding a non-const reference parameter. Non-const reference
|
|
// parameters are disallowed by the Google style guide. Also, binding a
|
|
// non-const reference parameter can make for subtle bugs because the
|
|
// invoked function will receive a reference to the stored copy of the
|
|
// argument and not the original.
|
|
COMPILE_ASSERT(
|
|
!(is_non_const_reference<typename BoundFunctorTraits::A1Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A2Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A3Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A4Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A5Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A6Type>::value ||
|
|
is_non_const_reference<typename BoundFunctorTraits::A7Type>::value ),
|
|
do_not_bind_functions_with_nonconst_ref);
|
|
|
|
// For methods, we need to be careful for parameter 1. We do not require
|
|
// a scoped_refptr because BindState<> itself takes care of AddRef() for
|
|
// methods. We also disallow binding of an array as the method's target
|
|
// object.
|
|
COMPILE_ASSERT(
|
|
cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!cef_internal::NeedsScopedRefptrButGetsRawPtr<P1>::value,
|
|
p1_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::HasIsMethodTag<RunnableType>::value ||
|
|
!is_array<P1>::value,
|
|
first_bound_argument_to_method_cannot_be_array);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P2>::value,
|
|
p2_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P3>::value,
|
|
p3_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P4>::value,
|
|
p4_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P5>::value,
|
|
p5_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P6>::value,
|
|
p6_is_refcounted_type_and_needs_scoped_refptr);
|
|
COMPILE_ASSERT(!cef_internal::NeedsScopedRefptrButGetsRawPtr<P7>::value,
|
|
p7_is_refcounted_type_and_needs_scoped_refptr);
|
|
typedef cef_internal::BindState<RunnableType, RunType,
|
|
void(typename cef_internal::CallbackParamTraits<P1>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P2>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P3>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P4>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P5>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P6>::StorageType,
|
|
typename cef_internal::CallbackParamTraits<P7>::StorageType)> BindState;
|
|
|
|
|
|
return Callback<typename BindState::UnboundRunType>(
|
|
new BindState(cef_internal::MakeRunnable(functor), p1, p2, p3, p4, p5, p6,
|
|
p7));
|
|
}
|
|
|
|
} // namespace base
|
|
|
|
#endif // !BUILDING_CEF_SHARED
|
|
|
|
#endif // CEF_INCLUDE_BASE_CEF_BIND_H_
|