gecko-dev/image/imgRequestProxy.h

275 строки
8.3 KiB
C
Исходник Обычный вид История

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/* -*- 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
* 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/. */
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Bug 1038536 - Flatten image/src/ directory. r=seth --HG-- rename : image/src/BMPFileHeaders.h => image/BMPFileHeaders.h rename : image/src/ClippedImage.cpp => image/ClippedImage.cpp rename : image/src/ClippedImage.h => image/ClippedImage.h rename : image/src/DecodePool.cpp => image/DecodePool.cpp rename : image/src/DecodePool.h => image/DecodePool.h rename : image/src/Decoder.cpp => image/Decoder.cpp rename : image/src/Decoder.h => image/Decoder.h rename : image/src/Downscaler.cpp => image/Downscaler.cpp rename : image/src/Downscaler.h => image/Downscaler.h rename : image/src/DynamicImage.cpp => image/DynamicImage.cpp rename : image/src/DynamicImage.h => image/DynamicImage.h rename : image/src/FrameAnimator.cpp => image/FrameAnimator.cpp rename : image/src/FrameAnimator.h => image/FrameAnimator.h rename : image/src/FrozenImage.cpp => image/FrozenImage.cpp rename : image/src/FrozenImage.h => image/FrozenImage.h rename : image/src/ICOFileHeaders.h => image/ICOFileHeaders.h rename : image/src/IProgressObserver.h => image/IProgressObserver.h rename : image/src/Image.cpp => image/Image.cpp rename : image/src/Image.h => image/Image.h rename : image/src/ImageFactory.cpp => image/ImageFactory.cpp rename : image/src/ImageFactory.h => image/ImageFactory.h rename : image/src/ImageMetadata.cpp => image/ImageMetadata.cpp rename : image/src/ImageMetadata.h => image/ImageMetadata.h rename : image/src/ImageOps.cpp => image/ImageOps.cpp rename : image/src/ImageOps.h => image/ImageOps.h rename : image/src/ImageRegion.h => image/ImageRegion.h rename : image/src/ImageURL.h => image/ImageURL.h rename : image/src/ImageWrapper.cpp => image/ImageWrapper.cpp rename : image/src/ImageWrapper.h => image/ImageWrapper.h rename : image/src/MultipartImage.cpp => image/MultipartImage.cpp rename : image/src/MultipartImage.h => image/MultipartImage.h rename : image/src/Orientation.h => image/Orientation.h rename : image/src/OrientedImage.cpp => image/OrientedImage.cpp rename : image/src/OrientedImage.h => image/OrientedImage.h rename : image/src/ProgressTracker.cpp => image/ProgressTracker.cpp rename : image/src/ProgressTracker.h => image/ProgressTracker.h rename : image/src/RasterImage.cpp => image/RasterImage.cpp rename : image/src/RasterImage.h => image/RasterImage.h rename : image/src/SVGDocumentWrapper.cpp => image/SVGDocumentWrapper.cpp rename : image/src/SVGDocumentWrapper.h => image/SVGDocumentWrapper.h rename : image/src/ScriptedNotificationObserver.cpp => image/ScriptedNotificationObserver.cpp rename : image/src/ScriptedNotificationObserver.h => image/ScriptedNotificationObserver.h rename : image/src/ShutdownTracker.cpp => image/ShutdownTracker.cpp rename : image/src/ShutdownTracker.h => image/ShutdownTracker.h rename : image/src/SourceBuffer.cpp => image/SourceBuffer.cpp rename : image/src/SourceBuffer.h => image/SourceBuffer.h rename : image/src/SurfaceCache.cpp => image/SurfaceCache.cpp rename : image/src/SurfaceCache.h => image/SurfaceCache.h rename : image/src/VectorImage.cpp => image/VectorImage.cpp rename : image/src/VectorImage.h => image/VectorImage.h rename : image/src/imgFrame.cpp => image/imgFrame.cpp rename : image/src/imgFrame.h => image/imgFrame.h rename : image/src/imgLoader.cpp => image/imgLoader.cpp rename : image/src/imgLoader.h => image/imgLoader.h rename : image/src/imgRequest.cpp => image/imgRequest.cpp rename : image/src/imgRequest.h => image/imgRequest.h rename : image/src/imgRequestProxy.cpp => image/imgRequestProxy.cpp rename : image/src/imgRequestProxy.h => image/imgRequestProxy.h rename : image/src/imgTools.cpp => image/imgTools.cpp rename : image/src/imgTools.h => image/imgTools.h
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#ifndef mozilla_image_imgRequestProxy_h
#define mozilla_image_imgRequestProxy_h
#include "imgIRequest.h"
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#include "nsILoadGroup.h"
#include "nsISupportsPriority.h"
#include "nsITimedChannel.h"
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#include "nsCOMPtr.h"
#include "nsThreadUtils.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/gfx/Rect.h"
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#include "imgRequest.h"
#include "IProgressObserver.h"
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#define NS_IMGREQUESTPROXY_CID \
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{ /* 20557898-1dd2-11b2-8f65-9c462ee2bc95 */ \
0x20557898, \
0x1dd2, \
0x11b2, \
{0x8f, 0x65, 0x9c, 0x46, 0x2e, 0xe2, 0xbc, 0x95} \
}
class imgCacheValidator;
class imgINotificationObserver;
class imgStatusNotifyRunnable;
class ProxyBehaviour;
namespace mozilla {
namespace dom {
class TabGroup;
}
namespace image {
class Image;
class ProgressTracker;
} // namespace image
} // namespace mozilla
class imgRequestProxy : public imgIRequest,
public mozilla::image::IProgressObserver,
public nsISupportsPriority,
public nsITimedChannel
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{
protected:
virtual ~imgRequestProxy();
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public:
typedef mozilla::image::Image Image;
typedef mozilla::image::ProgressTracker ProgressTracker;
MOZ_DECLARE_REFCOUNTED_TYPENAME(imgRequestProxy)
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NS_DECL_ISUPPORTS
NS_DECL_IMGIREQUEST
NS_DECL_NSIREQUEST
NS_DECL_NSISUPPORTSPRIORITY
// nsITimedChannel declared below
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imgRequestProxy();
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// Callers to Init or ChangeOwner are required to call NotifyListener after
// (although not immediately after) doing so.
nsresult Init(imgRequest* aOwner,
nsILoadGroup* aLoadGroup,
nsIDocument* aLoadingDocument,
nsIURI* aURI,
imgINotificationObserver* aObserver);
nsresult ChangeOwner(imgRequest* aNewOwner); // this will change mOwner.
// Do not call this if the
// previous owner has already
// sent notifications out!
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// Add the request to the load group, if any. This should only be called once
// during initialization.
void AddToLoadGroup();
inline bool HasObserver() const {
return mListener != nullptr;
}
// Asynchronously notify this proxy's listener of the current state of the
// image, and, if we have an imgRequest mOwner, any status changes that
// happen between the time this function is called and the time the
// notification is scheduled.
void NotifyListener();
// Synchronously notify this proxy's listener of the current state of the
// image. Only use this function if you are currently servicing an
// asynchronously-called function.
void SyncNotifyListener();
// imgINotificationObserver methods:
virtual void Notify(int32_t aType,
const mozilla::gfx::IntRect* aRect = nullptr) override;
virtual void OnLoadComplete(bool aLastPart) override;
// Other, internal-only methods:
virtual void SetHasImage() override;
// Whether we want notifications from ProgressTracker to be deferred until
// an event it has scheduled has been fired and/or validation is complete.
virtual bool NotificationsDeferred() const override
{
return IsValidating() || mPendingNotify;
}
virtual void MarkPendingNotify() override
{
mPendingNotify = true;
}
virtual void ClearPendingNotify() override
{
mPendingNotify = false;
}
bool IsValidating() const
{
return mValidating;
}
void MarkValidating();
void ClearValidating();
bool IsOnEventTarget() const;
already_AddRefed<nsIEventTarget> GetEventTarget() const override;
// Removes all animation consumers that were created with
// IncrementAnimationConsumers. This is necessary since we need
// to do it before the proxy itself is destroyed. See
// imgRequest::RemoveProxy
void ClearAnimationConsumers();
nsresult SyncClone(imgINotificationObserver* aObserver,
nsIDocument* aLoadingDocument,
imgRequestProxy** aClone);
nsresult Clone(imgINotificationObserver* aObserver,
nsIDocument* aLoadingDocument,
imgRequestProxy** aClone);
nsresult GetStaticRequest(nsIDocument* aLoadingDocument,
imgRequestProxy** aReturn);
protected:
friend class mozilla::image::ProgressTracker;
friend class imgStatusNotifyRunnable;
class imgCancelRunnable;
friend class imgCancelRunnable;
class imgCancelRunnable : public mozilla::Runnable
{
public:
imgCancelRunnable(imgRequestProxy* owner, nsresult status)
: Runnable("imgCancelRunnable"), mOwner(owner), mStatus(status)
{ }
NS_IMETHOD Run() override {
mOwner->DoCancel(mStatus);
return NS_OK;
}
private:
Bug 1207245 - part 6 - rename nsRefPtr<T> to RefPtr<T>; r=ehsan; a=Tomcat 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
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RefPtr<imgRequestProxy> mOwner;
nsresult mStatus;
};
/* Remove from and forget the load group. */
void RemoveFromLoadGroup();
/* Remove from the load group and readd as a background request. */
void MoveToBackgroundInLoadGroup();
/* Finish up canceling ourselves */
void DoCancel(nsresult status);
/* Do the proper refcount management to null out mListener */
void NullOutListener();
// Return the ProgressTracker associated with mOwner and/or mImage. It may
// live either on mOwner or mImage, depending on whether
// (a) we have an mOwner at all
// (b) whether mOwner has instantiated its image yet
already_AddRefed<ProgressTracker> GetProgressTracker() const;
nsITimedChannel* TimedChannel()
{
if (!GetOwner()) {
return nullptr;
}
return GetOwner()->GetTimedChannel();
}
already_AddRefed<Image> GetImage() const;
bool HasImage() const;
imgRequest* GetOwner() const;
imgCacheValidator* GetValidator() const;
nsresult PerformClone(imgINotificationObserver* aObserver,
nsIDocument* aLoadingDocument,
bool aSyncNotify,
imgRequestProxy** aClone);
virtual imgRequestProxy* NewClonedProxy();
public:
NS_FORWARD_SAFE_NSITIMEDCHANNEL(TimedChannel())
protected:
mozilla::UniquePtr<ProxyBehaviour> mBehaviour;
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private:
friend class imgCacheValidator;
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void AddToOwner(nsIDocument* aLoadingDocument);
void RemoveFromOwner(nsresult aStatus);
nsresult DispatchWithTargetIfAvailable(already_AddRefed<nsIRunnable> aEvent);
void DispatchWithTarget(already_AddRefed<nsIRunnable> aEvent);
// The URI of our request.
nsCOMPtr<nsIURI> mURI;
// mListener is only promised to be a weak ref (see imgILoader.idl),
// but we actually keep a strong ref to it until we've seen our
// first OnStopRequest.
imgINotificationObserver* MOZ_UNSAFE_REF("Observers must call Cancel() or "
"CancelAndForgetObserver() before "
"they are destroyed") mListener;
nsCOMPtr<nsILoadGroup> mLoadGroup;
RefPtr<mozilla::dom::TabGroup> mTabGroup;
nsCOMPtr<nsIEventTarget> mEventTarget;
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nsLoadFlags mLoadFlags;
uint32_t mLockCount;
uint32_t mAnimationConsumers;
bool mCanceled : 1;
bool mIsInLoadGroup : 1;
bool mForceDispatchLoadGroup : 1;
bool mListenerIsStrongRef : 1;
bool mDecodeRequested : 1;
// Whether we want to defer our notifications by the non-virtual Observer
// interfaces as image loads proceed.
bool mPendingNotify : 1;
bool mValidating : 1;
bool mHadListener : 1;
bool mHadDispatch : 1;
};
// Used for static image proxies for which no requests are available, so
// certain behaviours must be overridden to compensate.
class imgRequestProxyStatic : public imgRequestProxy
{
public:
imgRequestProxyStatic(Image* aImage, nsIPrincipal* aPrincipal);
NS_IMETHOD GetImagePrincipal(nsIPrincipal** aPrincipal) override;
protected:
imgRequestProxy* NewClonedProxy() override;
// Our principal. We have to cache it, rather than accessing the underlying
// request on-demand, because static proxies don't have an underlying request.
nsCOMPtr<nsIPrincipal> mPrincipal;
};
Bug 1038536 - Flatten image/src/ directory. r=seth --HG-- rename : image/src/BMPFileHeaders.h => image/BMPFileHeaders.h rename : image/src/ClippedImage.cpp => image/ClippedImage.cpp rename : image/src/ClippedImage.h => image/ClippedImage.h rename : image/src/DecodePool.cpp => image/DecodePool.cpp rename : image/src/DecodePool.h => image/DecodePool.h rename : image/src/Decoder.cpp => image/Decoder.cpp rename : image/src/Decoder.h => image/Decoder.h rename : image/src/Downscaler.cpp => image/Downscaler.cpp rename : image/src/Downscaler.h => image/Downscaler.h rename : image/src/DynamicImage.cpp => image/DynamicImage.cpp rename : image/src/DynamicImage.h => image/DynamicImage.h rename : image/src/FrameAnimator.cpp => image/FrameAnimator.cpp rename : image/src/FrameAnimator.h => image/FrameAnimator.h rename : image/src/FrozenImage.cpp => image/FrozenImage.cpp rename : image/src/FrozenImage.h => image/FrozenImage.h rename : image/src/ICOFileHeaders.h => image/ICOFileHeaders.h rename : image/src/IProgressObserver.h => image/IProgressObserver.h rename : image/src/Image.cpp => image/Image.cpp rename : image/src/Image.h => image/Image.h rename : image/src/ImageFactory.cpp => image/ImageFactory.cpp rename : image/src/ImageFactory.h => image/ImageFactory.h rename : image/src/ImageMetadata.cpp => image/ImageMetadata.cpp rename : image/src/ImageMetadata.h => image/ImageMetadata.h rename : image/src/ImageOps.cpp => image/ImageOps.cpp rename : image/src/ImageOps.h => image/ImageOps.h rename : image/src/ImageRegion.h => image/ImageRegion.h rename : image/src/ImageURL.h => image/ImageURL.h rename : image/src/ImageWrapper.cpp => image/ImageWrapper.cpp rename : image/src/ImageWrapper.h => image/ImageWrapper.h rename : image/src/MultipartImage.cpp => image/MultipartImage.cpp rename : image/src/MultipartImage.h => image/MultipartImage.h rename : image/src/Orientation.h => image/Orientation.h rename : image/src/OrientedImage.cpp => image/OrientedImage.cpp rename : image/src/OrientedImage.h => image/OrientedImage.h rename : image/src/ProgressTracker.cpp => image/ProgressTracker.cpp rename : image/src/ProgressTracker.h => image/ProgressTracker.h rename : image/src/RasterImage.cpp => image/RasterImage.cpp rename : image/src/RasterImage.h => image/RasterImage.h rename : image/src/SVGDocumentWrapper.cpp => image/SVGDocumentWrapper.cpp rename : image/src/SVGDocumentWrapper.h => image/SVGDocumentWrapper.h rename : image/src/ScriptedNotificationObserver.cpp => image/ScriptedNotificationObserver.cpp rename : image/src/ScriptedNotificationObserver.h => image/ScriptedNotificationObserver.h rename : image/src/ShutdownTracker.cpp => image/ShutdownTracker.cpp rename : image/src/ShutdownTracker.h => image/ShutdownTracker.h rename : image/src/SourceBuffer.cpp => image/SourceBuffer.cpp rename : image/src/SourceBuffer.h => image/SourceBuffer.h rename : image/src/SurfaceCache.cpp => image/SurfaceCache.cpp rename : image/src/SurfaceCache.h => image/SurfaceCache.h rename : image/src/VectorImage.cpp => image/VectorImage.cpp rename : image/src/VectorImage.h => image/VectorImage.h rename : image/src/imgFrame.cpp => image/imgFrame.cpp rename : image/src/imgFrame.h => image/imgFrame.h rename : image/src/imgLoader.cpp => image/imgLoader.cpp rename : image/src/imgLoader.h => image/imgLoader.h rename : image/src/imgRequest.cpp => image/imgRequest.cpp rename : image/src/imgRequest.h => image/imgRequest.h rename : image/src/imgRequestProxy.cpp => image/imgRequestProxy.cpp rename : image/src/imgRequestProxy.h => image/imgRequestProxy.h rename : image/src/imgTools.cpp => image/imgTools.cpp rename : image/src/imgTools.h => image/imgTools.h
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#endif // mozilla_image_imgRequestProxy_h