mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-30 00:01:50 +00:00
e368dc9c85
This patch was generated by a script. Here's the source of the script for future reference: function convert() { echo "Converting $1 to $2..." find . ! -wholename "*nsprpub*" \ ! -wholename "*security/nss*" \ ! -wholename "*/.hg*" \ ! -wholename "obj-ff-dbg*" \ ! -name nsXPCOMCID.h \ ! -name prtypes.h \ -type f \ \( -iname "*.cpp" \ -o -iname "*.h" \ -o -iname "*.c" \ -o -iname "*.cc" \ -o -iname "*.idl" \ -o -iname "*.ipdl" \ -o -iname "*.ipdlh" \ -o -iname "*.mm" \) | \ xargs -n 1 sed -i -e "s/\b$1\b/$2/g" } convert PRInt8 int8_t convert PRUint8 uint8_t convert PRInt16 int16_t convert PRUint16 uint16_t convert PRInt32 int32_t convert PRUint32 uint32_t convert PRInt64 int64_t convert PRUint64 uint64_t convert PRIntn int convert PRUintn unsigned convert PRSize size_t convert PROffset32 int32_t convert PROffset64 int64_t convert PRPtrdiff ptrdiff_t convert PRFloat64 double
78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef mozilla_Observer_h
|
|
#define mozilla_Observer_h
|
|
|
|
#include "nsTArray.h"
|
|
|
|
namespace mozilla {
|
|
|
|
/**
|
|
* Observer<T> provides a way for a class to observe something.
|
|
* When an event has to be broadcasted to all Observer<T>, Notify() method
|
|
* is called.
|
|
* T represents the type of the object passed in argument to Notify().
|
|
*
|
|
* @see ObserverList.
|
|
*/
|
|
template <class T>
|
|
class Observer
|
|
{
|
|
public:
|
|
virtual ~Observer() { }
|
|
virtual void Notify(const T& aParam) = 0;
|
|
};
|
|
|
|
/**
|
|
* ObserverList<T> tracks Observer<T> and can notify them when Broadcast() is
|
|
* called.
|
|
* T represents the type of the object passed in argument to Broadcast() and
|
|
* sent to Observer<T> objects through Notify().
|
|
*
|
|
* @see Observer.
|
|
*/
|
|
template <class T>
|
|
class ObserverList
|
|
{
|
|
public:
|
|
/**
|
|
* Note: When calling AddObserver, it's up to the caller to make sure the
|
|
* object isn't going to be release as long as RemoveObserver hasn't been
|
|
* called.
|
|
*
|
|
* @see RemoveObserver()
|
|
*/
|
|
void AddObserver(Observer<T>* aObserver) {
|
|
mObservers.AppendElement(aObserver);
|
|
}
|
|
|
|
/**
|
|
* Remove the observer from the observer list.
|
|
* @return Whether the observer has been found in the list.
|
|
*/
|
|
bool RemoveObserver(Observer<T>* aObserver) {
|
|
return mObservers.RemoveElement(aObserver);
|
|
}
|
|
|
|
uint32_t Length() {
|
|
return mObservers.Length();
|
|
}
|
|
|
|
void Broadcast(const T& aParam) {
|
|
uint32_t size = mObservers.Length();
|
|
for (uint32_t i=0; i<size; ++i) {
|
|
mObservers[i]->Notify(aParam);
|
|
}
|
|
}
|
|
|
|
protected:
|
|
nsTArray<Observer<T>*> mObservers;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_Observer_h
|