mirror of
https://github.com/mozilla/gecko-dev.git
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01583602a9
The bulk of this commit was generated with a script, executed at the top
level of a typical source code checkout. The only non-machine-generated
part was modifying MFBT's moz.build to reflect the new naming.
CLOSED TREE makes big refactorings like this a piece of cake.
# The main substitution.
find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \
xargs perl -p -i -e '
s/nsRefPtr\.h/RefPtr\.h/g; # handle includes
s/nsRefPtr ?</RefPtr</g; # handle declarations and variables
'
# Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h.
perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h
# Handle nsRefPtr.h itself, a couple places that define constructors
# from nsRefPtr, and code generators specially. We do this here, rather
# than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename
# things like nsRefPtrHashtable.
perl -p -i -e 's/nsRefPtr/RefPtr/g' \
mfbt/nsRefPtr.h \
xpcom/glue/nsCOMPtr.h \
xpcom/base/OwningNonNull.h \
ipc/ipdl/ipdl/lower.py \
ipc/ipdl/ipdl/builtin.py \
dom/bindings/Codegen.py \
python/lldbutils/lldbutils/utils.py
# In our indiscriminate substitution above, we renamed
# nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up.
find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \
xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g'
if [ -d .git ]; then
git mv mfbt/nsRefPtr.h mfbt/RefPtr.h
else
hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h
fi
--HG--
rename : mfbt/nsRefPtr.h => mfbt/RefPtr.h
107 lines
3.0 KiB
C++
107 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* DecodePool manages the threads used for decoding raster images.
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*/
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#ifndef mozilla_image_DecodePool_h
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#define mozilla_image_DecodePool_h
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#include "mozilla/Mutex.h"
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#include "mozilla/StaticPtr.h"
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#include "nsCOMArray.h"
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#include "nsCOMPtr.h"
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#include "nsIEventTarget.h"
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#include "nsIObserver.h"
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#include "mozilla/RefPtr.h"
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class nsIThread;
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class nsIThreadPool;
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namespace mozilla {
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namespace image {
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class Decoder;
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class DecodePoolImpl;
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/**
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* DecodePool is a singleton class that manages decoding of raster images. It
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* owns a pool of image decoding threads that are used for asynchronous
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* decoding.
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*
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* DecodePool allows callers to run a decoder, handling management of the
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* decoder's lifecycle and whether it executes on the main thread,
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* off-main-thread in the image decoding thread pool, or on some combination of
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* the two.
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*/
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class DecodePool : public nsIObserver
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIOBSERVER
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/// Initializes the singleton instance. Should be called from the main thread.
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static void Initialize();
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/// Returns the singleton instance.
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static DecodePool* Singleton();
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/// @return the number of processor cores we have available. This is not the
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/// same as the number of decoding threads we're actually using.
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static uint32_t NumberOfCores();
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/// Ask the DecodePool to run @aDecoder asynchronously and return immediately.
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void AsyncDecode(Decoder* aDecoder);
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/**
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* Run @aDecoder synchronously if the image it's decoding is small. If the
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* image is too large, or if the source data isn't complete yet, run @aDecoder
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* asynchronously instead.
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*/
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void SyncDecodeIfSmall(Decoder* aDecoder);
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/**
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* Run aDecoder synchronously if at all possible. If it can't complete
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* synchronously because the source data isn't complete, asynchronously decode
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* the rest.
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*/
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void SyncDecodeIfPossible(Decoder* aDecoder);
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/**
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* Returns an event target interface to the DecodePool's I/O thread. Callers
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* who want to deliver data to workers on the DecodePool can use this event
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* target.
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*
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* @return An nsIEventTarget interface to the thread pool's I/O thread.
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*/
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already_AddRefed<nsIEventTarget> GetIOEventTarget();
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private:
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friend class DecodePoolWorker;
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DecodePool();
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virtual ~DecodePool();
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void Decode(Decoder* aDecoder);
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void NotifyDecodeComplete(Decoder* aDecoder);
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void NotifyProgress(Decoder* aDecoder);
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static StaticRefPtr<DecodePool> sSingleton;
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static uint32_t sNumCores;
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RefPtr<DecodePoolImpl> mImpl;
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// mMutex protects mThreads and mIOThread.
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Mutex mMutex;
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nsCOMArray<nsIThread> mThreads;
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nsCOMPtr<nsIThread> mIOThread;
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};
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} // namespace image
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} // namespace mozilla
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#endif // mozilla_image_DecodePool_h
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