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Diffstat (limited to 'native_client_sdk/src/examples/tumbler/callback.h')
-rw-r--r-- | native_client_sdk/src/examples/tumbler/callback.h | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/native_client_sdk/src/examples/tumbler/callback.h b/native_client_sdk/src/examples/tumbler/callback.h deleted file mode 100644 index 4d67262..0000000 --- a/native_client_sdk/src/examples/tumbler/callback.h +++ /dev/null @@ -1,92 +0,0 @@ -// Copyright (c) 2011 The Native Client 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 EXAMPLES_TUMBLER_CALLBACK_H_ -#define EXAMPLES_TUMBLER_CALLBACK_H_ - -#include <map> -#include <string> -#include <vector> - -namespace tumbler { - -class ScriptingBridge; - -// Templates used to support method call-backs when a method or property is -// accessed from the browser code. - -// Class suite used to publish a method name to Javascript. Typical use is -// like this: -// photo::MethodCallback<Calculator>* calculate_callback_; -// calculate_callback_ = -// new scripting::MethodCallback<Calculator>(this, -// &Calculator::Calculate); -// bridge->AddMethodNamed("calculate", calculate_callback_); -// ... -// delete calculate_callback_; -// -// The caller must delete the callback. - -// Methods get parameters as a dictionary that maps parameter names to values. -typedef std::map<std::string, std::string> MethodParameter; - -// Pure virtual class used in STL containers. -class MethodCallbackExecutor { - public: - virtual ~MethodCallbackExecutor() {} - virtual void Execute( - const ScriptingBridge& bridge, - const MethodParameter& parameters) = 0; -}; - -template <class T> -class MethodCallback : public MethodCallbackExecutor { - public: - typedef void (T::*Method)( - const ScriptingBridge& bridge, - const MethodParameter& parameters); - - MethodCallback(T* instance, Method method) - : instance_(instance), method_(method) {} - virtual ~MethodCallback() {} - virtual void Execute( - const ScriptingBridge& bridge, - const MethodParameter& parameters) { - // Use "this->" to force C++ to look inside our templatized base class; see - // Effective C++, 3rd Ed, item 43, p210 for details. - ((this->instance_)->*(this->method_))(bridge, parameters); - } - - private: - T* instance_; - Method method_; -}; - -template <class T> -class ConstMethodCallback : public MethodCallbackExecutor { - public: - typedef void (T::*ConstMethod)( - const ScriptingBridge& bridge, - const MethodParameter& parameters) const; - - ConstMethodCallback(const T* instance, ConstMethod method) - : instance_(instance), const_method_(method) {} - virtual ~ConstMethodCallback() {} - virtual void Execute( - const ScriptingBridge& bridge, - const MethodParameter& parameters) { - // Use "this->" to force C++ to look inside our templatized base class; see - // Effective C++, 3rd Ed, item 43, p210 for details. - ((this->instance_)->*(this->const_method_))(bridge, parameters); - } - - private: - const T* instance_; - ConstMethod const_method_; -}; - -} // namespace tumbler - -#endif // EXAMPLES_TUMBLER_CALLBACK_H_ - |