gecko/xpcom/ds/nsObserverList.h
Ehsan Akhgari 0fd9123eac Bug 579517 - Part 1: Automated conversion of NSPR numeric types to stdint types in Gecko; r=bsmedberg
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
2012-08-22 11:56:38 -04:00

87 lines
2.4 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 nsObserverList_h___
#define nsObserverList_h___
#include "nsISupports.h"
#include "nsTArray.h"
#include "nsCOMPtr.h"
#include "nsCOMArray.h"
#include "nsIObserver.h"
#include "nsIWeakReference.h"
#include "nsHashKeys.h"
#include "nsISimpleEnumerator.h"
#include "mozilla/Attributes.h"
struct ObserverRef
{
ObserverRef(const ObserverRef& o) :
isWeakRef(o.isWeakRef), ref(o.ref) { }
ObserverRef(nsIObserver* aObserver) : isWeakRef(false), ref(aObserver) { }
ObserverRef(nsIWeakReference* aWeak) : isWeakRef(true), ref(aWeak) { }
bool isWeakRef;
nsCOMPtr<nsISupports> ref;
nsIObserver* asObserver() {
NS_ASSERTION(!isWeakRef, "Isn't a strong ref.");
return static_cast<nsIObserver*>((nsISupports*) ref);
}
nsIWeakReference* asWeak() {
NS_ASSERTION(isWeakRef, "Isn't a weak ref.");
return static_cast<nsIWeakReference*>((nsISupports*) ref);
}
bool operator==(nsISupports* b) const { return ref == b; }
};
class nsObserverList : public nsCharPtrHashKey
{
public:
nsObserverList(const char *key) : nsCharPtrHashKey(key)
{ MOZ_COUNT_CTOR(nsObserverList); }
~nsObserverList() { MOZ_COUNT_DTOR(nsObserverList); }
nsresult AddObserver(nsIObserver* anObserver, bool ownsWeak);
nsresult RemoveObserver(nsIObserver* anObserver);
void NotifyObservers(nsISupports *aSubject,
const char *aTopic,
const PRUnichar *someData);
nsresult GetObserverList(nsISimpleEnumerator** anEnumerator);
// Fill an array with the observers of this category.
// The array is filled in last-added-first order.
void FillObserverArray(nsCOMArray<nsIObserver> &aArray);
// Unmark any strongly held observers implemented in JS so the cycle
// collector will not traverse them.
void UnmarkGrayStrongObservers();
private:
nsTArray<ObserverRef> mObservers;
};
class nsObserverEnumerator MOZ_FINAL : public nsISimpleEnumerator
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSISIMPLEENUMERATOR
nsObserverEnumerator(nsObserverList* aObserverList);
private:
~nsObserverEnumerator() { }
int32_t mIndex; // Counts up from 0
nsCOMArray<nsIObserver> mObservers;
};
#endif /* nsObserverList_h___ */