From 244c8ef1f729b5c89a2c3483ea3acd552d4fb5a7 Mon Sep 17 00:00:00 2001 From: Moonchild Date: Thu, 23 Apr 2020 16:48:48 +0000 Subject: Issue #80 - De-unify dom/xhr --- dom/xhr/XMLHttpRequestString.cpp | 91 -------------------------------------- dom/xhr/XMLHttpRequestString.h | 95 ++++++++++++++++++++++++++++++++++++++++ dom/xhr/XMLHttpRequestWorker.cpp | 2 + dom/xhr/moz.build | 2 +- 4 files changed, 98 insertions(+), 92 deletions(-) (limited to 'dom') diff --git a/dom/xhr/XMLHttpRequestString.cpp b/dom/xhr/XMLHttpRequestString.cpp index c668b94f6..c2bde5e0e 100644 --- a/dom/xhr/XMLHttpRequestString.cpp +++ b/dom/xhr/XMLHttpRequestString.cpp @@ -12,97 +12,6 @@ namespace mozilla { namespace dom { -class XMLHttpRequestStringBuffer final -{ - friend class XMLHttpRequestStringWriterHelper; - friend class XMLHttpRequestStringSnapshotReaderHelper; - -public: - NS_INLINE_DECL_THREADSAFE_REFCOUNTING(XMLHttpRequestStringBuffer) - NS_DECL_OWNINGTHREAD - - XMLHttpRequestStringBuffer() - : mMutex("XMLHttpRequestStringBuffer::mMutex") - { - } - - uint32_t - Length() - { - MutexAutoLock lock(mMutex); - return mData.Length(); - } - - uint32_t - UnsafeLength() const - { - return mData.Length(); - } - - void - Append(const nsAString& aString) - { - NS_ASSERT_OWNINGTHREAD(XMLHttpRequestStringBuffer); - - MutexAutoLock lock(mMutex); - mData.Append(aString); - } - - MOZ_MUST_USE bool - GetAsString(nsAString& aString) - { - MutexAutoLock lock(mMutex); - return aString.Assign(mData, mozilla::fallible); - } - - size_t - SizeOfThis(MallocSizeOf aMallocSizeOf) const - { - return mData.SizeOfExcludingThisIfUnshared(aMallocSizeOf); - } - - MOZ_MUST_USE bool - GetAsString(DOMString& aString, uint32_t aLength) - { - MutexAutoLock lock(mMutex); - MOZ_ASSERT(aLength <= mData.Length()); - nsStringBuffer* buf = nsStringBuffer::FromString(mData); - if (buf) { - // We have to use SetEphemeralStringBuffer, because once we release our - // mutex mData can get mutated from some other thread while the DOMString - // is still alive. - aString.SetEphemeralStringBuffer(buf, aLength); - return true; - } - - // We can get here if mData is empty. In that case it won't have an - // nsStringBuffer.... - MOZ_ASSERT(mData.IsEmpty()); - return aString.AsAString().Assign(mData.BeginReading(), aLength, - mozilla::fallible); - } - - void - CreateSnapshot(XMLHttpRequestStringSnapshot& aSnapshot) - { - MutexAutoLock lock(mMutex); - aSnapshot.Set(this, mData.Length()); - } - -private: - ~XMLHttpRequestStringBuffer() - {} - - nsString& UnsafeData() - { - return mData; - } - - Mutex mMutex; - - // The following member variable is protected by mutex. - nsString mData; -}; // --------------------------------------------------------------------------- // XMLHttpRequestString diff --git a/dom/xhr/XMLHttpRequestString.h b/dom/xhr/XMLHttpRequestString.h index b6b12483f..5709c1aa2 100644 --- a/dom/xhr/XMLHttpRequestString.h +++ b/dom/xhr/XMLHttpRequestString.h @@ -7,6 +7,9 @@ #ifndef mozilla_dom_XMLHttpRequestString_h #define mozilla_dom_XMLHttpRequestString_h +#include "mozilla/Mutex.h" +#include "mozilla/RefPtr.h" +#include "mozilla/dom/DOMString.h" #include "nsString.h" namespace mozilla { @@ -155,6 +158,98 @@ private: MutexAutoLock mLock; }; +class XMLHttpRequestStringBuffer final +{ + friend class XMLHttpRequestStringWriterHelper; + friend class XMLHttpRequestStringSnapshotReaderHelper; + +public: + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(XMLHttpRequestStringBuffer) + NS_DECL_OWNINGTHREAD + + XMLHttpRequestStringBuffer() + : mMutex("XMLHttpRequestStringBuffer::mMutex") + { + } + + uint32_t + Length() + { + MutexAutoLock lock(mMutex); + return mData.Length(); + } + + uint32_t + UnsafeLength() const + { + return mData.Length(); + } + + void + Append(const nsAString& aString) + { + NS_ASSERT_OWNINGTHREAD(XMLHttpRequestStringBuffer); + + MutexAutoLock lock(mMutex); + mData.Append(aString); + } + + MOZ_MUST_USE bool + GetAsString(nsAString& aString) + { + MutexAutoLock lock(mMutex); + return aString.Assign(mData, mozilla::fallible); + } + + size_t + SizeOfThis(MallocSizeOf aMallocSizeOf) const + { + return mData.SizeOfExcludingThisIfUnshared(aMallocSizeOf); + } + + MOZ_MUST_USE bool + GetAsString(DOMString& aString, uint32_t aLength) + { + MutexAutoLock lock(mMutex); + MOZ_ASSERT(aLength <= mData.Length()); + nsStringBuffer* buf = nsStringBuffer::FromString(mData); + if (buf) { + // We have to use SetEphemeralStringBuffer, because once we release our + // mutex mData can get mutated from some other thread while the DOMString + // is still alive. + aString.SetEphemeralStringBuffer(buf, aLength); + return true; + } + + // We can get here if mData is empty. In that case it won't have an + // nsStringBuffer.... + MOZ_ASSERT(mData.IsEmpty()); + return aString.AsAString().Assign(mData.BeginReading(), aLength, + mozilla::fallible); + } + + void + CreateSnapshot(XMLHttpRequestStringSnapshot& aSnapshot) + { + MutexAutoLock lock(mMutex); + aSnapshot.Set(this, mData.Length()); + } + +private: + ~XMLHttpRequestStringBuffer() + {} + + nsString& UnsafeData() + { + return mData; + } + + Mutex mMutex; + + // The following member variable is protected by mutex. + nsString mData; +}; + } // dom namespace } // mozilla namespace diff --git a/dom/xhr/XMLHttpRequestWorker.cpp b/dom/xhr/XMLHttpRequestWorker.cpp index 2af61bd7d..7bec379aa 100644 --- a/dom/xhr/XMLHttpRequestWorker.cpp +++ b/dom/xhr/XMLHttpRequestWorker.cpp @@ -33,6 +33,8 @@ #include "WorkerScope.h" #include "WorkerPrivate.h" #include "WorkerRunnable.h" +#include "XMLHttpRequestMainThread.h" +#include "XMLHttpRequestString.h" #include "XMLHttpRequestUpload.h" #include "mozilla/UniquePtr.h" diff --git a/dom/xhr/moz.build b/dom/xhr/moz.build index 4ad91deea..d4803015f 100644 --- a/dom/xhr/moz.build +++ b/dom/xhr/moz.build @@ -18,7 +18,7 @@ EXPORTS.mozilla.dom += [ 'XMLHttpRequestUpload.h', ] -UNIFIED_SOURCES += [ +SOURCES += [ 'XMLHttpRequest.cpp', 'XMLHttpRequestEventTarget.cpp', 'XMLHttpRequestMainThread.cpp', -- cgit v1.2.3