image/ImageWrapper.h
author Nathan Froyd <froydnj@mozilla.com>
Wed, 07 Oct 2015 16:50:25 -0400
changeset 266617 91d4539e00cecb658604e021675a923c60ef3235
parent 244258 7701abd924856d65acbf9927629cf27dd2335ec1
child 266639 41dea9df27ed995f8315ab4318c187a617937664
permissions -rw-r--r--
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. # 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

/* -*- 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_image_ImageWrapper_h
#define mozilla_image_ImageWrapper_h

#include "mozilla/MemoryReporting.h"
#include "Image.h"

namespace mozilla {
namespace image {

/**
 * Abstract superclass for Images that wrap other Images.
 */
class ImageWrapper : public Image
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_IMGICONTAINER

  // Inherited methods from Image.
  virtual already_AddRefed<ProgressTracker> GetProgressTracker() override;

  virtual size_t
    SizeOfSourceWithComputedFallback(MallocSizeOf aMallocSizeOf) const override;
  virtual void CollectSizeOfSurfaces(nsTArray<SurfaceMemoryCounter>& aCounters,
                                     MallocSizeOf aMallocSizeOf) const override;

  virtual void IncrementAnimationConsumers() override;
  virtual void DecrementAnimationConsumers() override;
#ifdef DEBUG
  virtual uint32_t GetAnimationConsumers() override;
#endif

  virtual nsresult OnImageDataAvailable(nsIRequest* aRequest,
                                        nsISupports* aContext,
                                        nsIInputStream* aInStr,
                                        uint64_t aSourceOffset,
                                        uint32_t aCount) override;
  virtual nsresult OnImageDataComplete(nsIRequest* aRequest,
                                       nsISupports* aContext,
                                       nsresult aStatus,
                                       bool aLastPart) override;

  virtual void OnSurfaceDiscarded() override;

  virtual void SetInnerWindowID(uint64_t aInnerWindowId) override;
  virtual uint64_t InnerWindowID() const override;

  virtual bool HasError() override;
  virtual void SetHasError() override;

  virtual ImageURL* GetURI() override;

protected:
  explicit ImageWrapper(Image* aInnerImage)
    : mInnerImage(aInnerImage)
  {
    MOZ_ASSERT(aInnerImage, "Need an image to wrap");
  }

  virtual ~ImageWrapper() { }

  /**
   * Returns a weak reference to the inner image wrapped by this ImageWrapper.
   */
  Image* InnerImage() const { return mInnerImage.get(); }

  void SetInnerImage(Image* aInnerImage)
  {
    MOZ_ASSERT(aInnerImage, "Need an image to wrap");
    mInnerImage = aInnerImage;
  }

private:
  RefPtr<Image> mInnerImage;
};

} // namespace image
} // namespace mozilla

#endif // mozilla_image_ImageWrapper_h