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https://gitlab.winehq.org/wine/wine-gecko.git
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33bb32f549
This patch was automatically generated using the following script:
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find . \
! -wholename "*/.git*" \
! -wholename "obj-ff-dbg*" \
-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 MOZ_OVERRIDE override
convert MOZ_FINAL final
896 lines
25 KiB
C++
896 lines
25 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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#ifndef mozilla_dom_File_h
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#define mozilla_dom_File_h
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#include "mozilla/Attributes.h"
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#include "mozilla/GuardObjects.h"
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#include "mozilla/LinkedList.h"
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#include "mozilla/StaticMutex.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/dom/Date.h"
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#include "mozilla/dom/indexedDB/FileInfo.h"
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#include "mozilla/dom/indexedDB/FileManager.h"
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#include "mozilla/dom/indexedDB/IndexedDatabaseManager.h"
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#include "nsAutoPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsCOMPtr.h"
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#include "nsIDOMFile.h"
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#include "nsIDOMFileList.h"
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#include "nsIFile.h"
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#include "nsIMutable.h"
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#include "nsIXMLHttpRequest.h"
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#include "nsString.h"
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#include "nsTemporaryFileInputStream.h"
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#include "nsWrapperCache.h"
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#include "nsWeakReference.h"
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class nsDOMMultipartFile;
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class nsIFile;
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class nsIInputStream;
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class nsIClassInfo;
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#define FILEIMPL_IID \
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{ 0xbccb3275, 0x6778, 0x4ac5, \
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{ 0xaf, 0x03, 0x90, 0xed, 0x37, 0xad, 0xdf, 0x5d } }
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namespace mozilla {
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namespace dom {
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namespace indexedDB {
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class FileInfo;
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};
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struct BlobPropertyBag;
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struct ChromeFilePropertyBag;
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struct FilePropertyBag;
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class FileImpl;
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class OwningArrayBufferOrArrayBufferViewOrBlobOrString;
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class File final : public nsIDOMFile
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, public nsIXHRSendable
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, public nsIMutable
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, public nsSupportsWeakReference
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, public nsWrapperCache
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{
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public:
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NS_DECL_NSIDOMBLOB
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NS_DECL_NSIDOMFILE
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NS_DECL_NSIXHRSENDABLE
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NS_DECL_NSIMUTABLE
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(File, nsIDOMFile)
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static already_AddRefed<File>
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Create(nsISupports* aParent, const nsAString& aName,
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const nsAString& aContentType, uint64_t aLength,
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uint64_t aLastModifiedDate);
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static already_AddRefed<File>
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Create(nsISupports* aParent, const nsAString& aName,
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const nsAString& aContentType, uint64_t aLength);
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static already_AddRefed<File>
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Create(nsISupports* aParent, const nsAString& aContentType,
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uint64_t aLength);
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static already_AddRefed<File>
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Create(nsISupports* aParent, const nsAString& aContentType, uint64_t aStart,
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uint64_t aLength);
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// The returned File takes ownership of aMemoryBuffer. aMemoryBuffer will be
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// freed by moz_free so it must be allocated by moz_malloc or something
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// compatible with it.
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static already_AddRefed<File>
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CreateMemoryFile(nsISupports* aParent, void* aMemoryBuffer, uint64_t aLength,
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const nsAString& aName, const nsAString& aContentType,
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uint64_t aLastModifiedDate);
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// The returned File takes ownership of aMemoryBuffer. aMemoryBuffer will be
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// freed by moz_free so it must be allocated by moz_malloc or something
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// compatible with it.
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static already_AddRefed<File>
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CreateMemoryFile(nsISupports* aParent, void* aMemoryBuffer, uint64_t aLength,
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const nsAString& aContentType);
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static already_AddRefed<File>
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CreateTemporaryFileBlob(nsISupports* aParent, PRFileDesc* aFD,
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uint64_t aStartPos, uint64_t aLength,
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const nsAString& aContentType);
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static already_AddRefed<File>
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CreateFromFile(nsISupports* aParent, nsIFile* aFile, bool aTemporary = false);
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static already_AddRefed<File>
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CreateFromFile(nsISupports* aParent, const nsAString& aContentType,
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uint64_t aLength, nsIFile* aFile,
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indexedDB::FileInfo* aFileInfo);
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static already_AddRefed<File>
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CreateFromFile(nsISupports* aParent, const nsAString& aName,
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const nsAString& aContentType, uint64_t aLength,
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nsIFile* aFile, indexedDB::FileInfo* aFileInfo);
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static already_AddRefed<File>
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CreateFromFile(nsISupports* aParent, nsIFile* aFile,
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indexedDB::FileInfo* aFileInfo);
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static already_AddRefed<File>
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CreateFromFile(nsISupports* aParent, nsIFile* aFile, const nsAString& aName,
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const nsAString& aContentType);
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File(nsISupports* aParent, FileImpl* aImpl);
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FileImpl* Impl() const
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{
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return mImpl;
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}
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const nsTArray<nsRefPtr<FileImpl>>* GetSubBlobImpls() const;
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bool IsSizeUnknown() const;
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bool IsDateUnknown() const;
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bool IsFile() const;
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already_AddRefed<File>
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CreateSlice(uint64_t aStart, uint64_t aLength, const nsAString& aContentType,
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ErrorResult& aRv);
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// WebIDL methods
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nsISupports* GetParentObject() const
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{
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return mParent;
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}
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// Blob constructor
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static already_AddRefed<File>
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Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
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// Blob constructor
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static already_AddRefed<File>
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Constructor(const GlobalObject& aGlobal,
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const Sequence<OwningArrayBufferOrArrayBufferViewOrBlobOrString>& aData,
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const BlobPropertyBag& aBag,
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ErrorResult& aRv);
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// File constructor
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static already_AddRefed<File>
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Constructor(const GlobalObject& aGlobal,
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const Sequence<OwningArrayBufferOrArrayBufferViewOrBlobOrString>& aData,
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const nsAString& aName,
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const FilePropertyBag& aBag,
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ErrorResult& aRv);
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// File constructor - ChromeOnly
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static already_AddRefed<File>
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Constructor(const GlobalObject& aGlobal,
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File& aData,
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const ChromeFilePropertyBag& aBag,
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ErrorResult& aRv);
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// File constructor - ChromeOnly
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static already_AddRefed<File>
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Constructor(const GlobalObject& aGlobal,
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const nsAString& aData,
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const ChromeFilePropertyBag& aBag,
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ErrorResult& aRv);
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// File constructor - ChromeOnly
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static already_AddRefed<File>
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Constructor(const GlobalObject& aGlobal,
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nsIFile* aData,
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const ChromeFilePropertyBag& aBag,
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ErrorResult& aRv);
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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uint64_t GetSize(ErrorResult& aRv);
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// XPCOM GetType is OK
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// XPCOM GetName is OK
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int64_t GetLastModified(ErrorResult& aRv);
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Date GetLastModifiedDate(ErrorResult& aRv);
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void GetMozFullPath(nsAString& aFilename, ErrorResult& aRv);
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already_AddRefed<File> Slice(const Optional<int64_t>& aStart,
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const Optional<int64_t>& aEnd,
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const nsAString& aContentType,
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ErrorResult& aRv);
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private:
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~File() {};
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// The member is the real backend implementation of this File/Blob.
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// It's thread-safe and not CC-able and it's the only element that is moved
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// between threads.
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// Note: we should not store any other state in this class!
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nsRefPtr<FileImpl> mImpl;
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nsCOMPtr<nsISupports> mParent;
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};
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// This is the abstract class for any File backend. It must be nsISupports
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// because this class must be ref-counted and it has to work with IPC.
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class FileImpl : public nsISupports
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(FILEIMPL_IID)
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NS_DECL_THREADSAFE_ISUPPORTS
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FileImpl() {}
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virtual void GetName(nsAString& aName) = 0;
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virtual nsresult GetPath(nsAString& aName) = 0;
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virtual int64_t GetLastModified(ErrorResult& aRv) = 0;
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virtual void SetLastModified(int64_t aLastModified) = 0;
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virtual void GetMozFullPath(nsAString& aName, ErrorResult& aRv) = 0;
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virtual void GetMozFullPathInternal(nsAString& aFileName, ErrorResult& aRv) = 0;
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virtual uint64_t GetSize(ErrorResult& aRv) = 0;
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virtual void GetType(nsAString& aType) = 0;
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already_AddRefed<FileImpl>
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Slice(const Optional<int64_t>& aStart, const Optional<int64_t>& aEnd,
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const nsAString& aContentType, ErrorResult& aRv);
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virtual already_AddRefed<FileImpl>
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CreateSlice(uint64_t aStart, uint64_t aLength,
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const nsAString& aContentType, ErrorResult& aRv) = 0;
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virtual const nsTArray<nsRefPtr<FileImpl>>*
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GetSubBlobImpls() const = 0;
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virtual nsresult GetInternalStream(nsIInputStream** aStream) = 0;
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virtual int64_t GetFileId() = 0;
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virtual void AddFileInfo(indexedDB::FileInfo* aFileInfo) = 0;
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virtual indexedDB::FileInfo*
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GetFileInfo(indexedDB::FileManager* aFileManager) = 0;
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virtual nsresult GetSendInfo(nsIInputStream** aBody,
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uint64_t* aContentLength,
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nsACString& aContentType,
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nsACString& aCharset) = 0;
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virtual nsresult GetMutable(bool* aMutable) const = 0;
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virtual nsresult SetMutable(bool aMutable) = 0;
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virtual void SetLazyData(const nsAString& aName,
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const nsAString& aContentType,
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uint64_t aLength,
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uint64_t aLastModifiedDate) = 0;
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virtual bool IsMemoryFile() const = 0;
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virtual bool IsSizeUnknown() const = 0;
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virtual bool IsDateUnknown() const = 0;
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virtual bool IsFile() const = 0;
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// True if this implementation can be sent to other threads.
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virtual bool MayBeClonedToOtherThreads() const
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{
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return true;
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}
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protected:
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virtual ~FileImpl() {}
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(FileImpl, FILEIMPL_IID)
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class FileImplBase : public FileImpl
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{
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public:
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FileImplBase(const nsAString& aName, const nsAString& aContentType,
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uint64_t aLength, uint64_t aLastModifiedDate)
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: mIsFile(true)
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, mImmutable(false)
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, mContentType(aContentType)
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, mName(aName)
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, mStart(0)
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, mLength(aLength)
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, mLastModificationDate(aLastModifiedDate)
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{
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// Ensure non-null mContentType by default
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mContentType.SetIsVoid(false);
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}
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FileImplBase(const nsAString& aName, const nsAString& aContentType,
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uint64_t aLength)
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: mIsFile(true)
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, mImmutable(false)
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, mContentType(aContentType)
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, mName(aName)
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, mStart(0)
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, mLength(aLength)
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, mLastModificationDate(UINT64_MAX)
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{
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// Ensure non-null mContentType by default
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mContentType.SetIsVoid(false);
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}
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FileImplBase(const nsAString& aContentType, uint64_t aLength)
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: mIsFile(false)
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, mImmutable(false)
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, mContentType(aContentType)
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, mStart(0)
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, mLength(aLength)
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, mLastModificationDate(UINT64_MAX)
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{
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// Ensure non-null mContentType by default
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mContentType.SetIsVoid(false);
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}
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FileImplBase(const nsAString& aContentType, uint64_t aStart,
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uint64_t aLength)
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: mIsFile(false)
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, mImmutable(false)
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, mContentType(aContentType)
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, mStart(aStart)
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, mLength(aLength)
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, mLastModificationDate(UINT64_MAX)
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{
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NS_ASSERTION(aLength != UINT64_MAX,
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"Must know length when creating slice");
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// Ensure non-null mContentType by default
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mContentType.SetIsVoid(false);
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}
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virtual void GetName(nsAString& aName) override;
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virtual nsresult GetPath(nsAString& aName) override;
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virtual int64_t GetLastModified(ErrorResult& aRv) override;
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virtual void SetLastModified(int64_t aLastModified) override;
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virtual void GetMozFullPath(nsAString& aName, ErrorResult& aRv) override;
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virtual void GetMozFullPathInternal(nsAString& aFileName,
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ErrorResult& aRv) override;
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virtual uint64_t GetSize(ErrorResult& aRv) override
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{
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return mLength;
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}
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virtual void GetType(nsAString& aType) override;
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virtual already_AddRefed<FileImpl>
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CreateSlice(uint64_t aStart, uint64_t aLength,
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const nsAString& aContentType, ErrorResult& aRv) override
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{
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return nullptr;
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}
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virtual const nsTArray<nsRefPtr<FileImpl>>*
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GetSubBlobImpls() const override
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{
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return nullptr;
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}
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virtual nsresult GetInternalStream(nsIInputStream** aStream) override
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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virtual int64_t GetFileId() override;
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virtual void AddFileInfo(indexedDB::FileInfo* aFileInfo) override;
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virtual indexedDB::FileInfo*
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GetFileInfo(indexedDB::FileManager* aFileManager) override;
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virtual nsresult GetSendInfo(nsIInputStream** aBody,
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uint64_t* aContentLength,
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nsACString& aContentType,
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nsACString& aCharset) override;
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virtual nsresult GetMutable(bool* aMutable) const override;
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virtual nsresult SetMutable(bool aMutable) override;
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virtual void
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SetLazyData(const nsAString& aName, const nsAString& aContentType,
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uint64_t aLength, uint64_t aLastModifiedDate) override
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{
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NS_ASSERTION(aLength, "must have length");
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mName = aName;
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mContentType = aContentType;
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mLength = aLength;
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mLastModificationDate = aLastModifiedDate;
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mIsFile = !aName.IsVoid();
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}
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virtual bool IsMemoryFile() const override
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{
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return false;
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}
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virtual bool IsDateUnknown() const override
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{
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return mIsFile && mLastModificationDate == UINT64_MAX;
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}
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virtual bool IsFile() const override
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{
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return mIsFile;
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}
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virtual bool IsStoredFile() const
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{
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return false;
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}
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virtual bool IsWholeFile() const
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{
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NS_NOTREACHED("Should only be called on dom blobs backed by files!");
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return false;
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}
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virtual bool IsSnapshot() const
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{
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return false;
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}
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virtual bool IsSizeUnknown() const override
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{
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return mLength == UINT64_MAX;
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}
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protected:
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virtual ~FileImplBase() {}
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indexedDB::FileInfo* GetFileInfo() const
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{
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NS_ASSERTION(IsStoredFile(), "Should only be called on stored files!");
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NS_ASSERTION(!mFileInfos.IsEmpty(), "Must have at least one file info!");
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return mFileInfos.ElementAt(0);
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}
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bool mIsFile;
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bool mImmutable;
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nsString mContentType;
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nsString mName;
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nsString mPath; // The path relative to a directory chosen by the user
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uint64_t mStart;
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uint64_t mLength;
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uint64_t mLastModificationDate;
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// Protected by IndexedDatabaseManager::FileMutex()
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nsTArray<nsRefPtr<indexedDB::FileInfo>> mFileInfos;
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};
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/**
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* This class may be used off the main thread, and in particular, its
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* constructor and destructor may not run on the same thread. Be careful!
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*/
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class FileImplMemory final : public FileImplBase
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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FileImplMemory(void* aMemoryBuffer, uint64_t aLength, const nsAString& aName,
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const nsAString& aContentType, uint64_t aLastModifiedDate)
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: FileImplBase(aName, aContentType, aLength, aLastModifiedDate)
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, mDataOwner(new DataOwner(aMemoryBuffer, aLength))
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{
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NS_ASSERTION(mDataOwner && mDataOwner->mData, "must have data");
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}
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FileImplMemory(void* aMemoryBuffer, uint64_t aLength,
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const nsAString& aContentType)
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: FileImplBase(aContentType, aLength)
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, mDataOwner(new DataOwner(aMemoryBuffer, aLength))
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{
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NS_ASSERTION(mDataOwner && mDataOwner->mData, "must have data");
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}
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|
|
virtual nsresult GetInternalStream(nsIInputStream** aStream) override;
|
|
|
|
virtual already_AddRefed<FileImpl>
|
|
CreateSlice(uint64_t aStart, uint64_t aLength,
|
|
const nsAString& aContentType, ErrorResult& aRv) override;
|
|
|
|
virtual bool IsMemoryFile() const override
|
|
{
|
|
return true;
|
|
}
|
|
|
|
class DataOwner final : public mozilla::LinkedListElement<DataOwner> {
|
|
public:
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DataOwner)
|
|
DataOwner(void* aMemoryBuffer, uint64_t aLength)
|
|
: mData(aMemoryBuffer)
|
|
, mLength(aLength)
|
|
{
|
|
mozilla::StaticMutexAutoLock lock(sDataOwnerMutex);
|
|
|
|
if (!sDataOwners) {
|
|
sDataOwners = new mozilla::LinkedList<DataOwner>();
|
|
EnsureMemoryReporterRegistered();
|
|
}
|
|
sDataOwners->insertBack(this);
|
|
}
|
|
|
|
private:
|
|
// Private destructor, to discourage deletion outside of Release():
|
|
~DataOwner() {
|
|
mozilla::StaticMutexAutoLock lock(sDataOwnerMutex);
|
|
|
|
remove();
|
|
if (sDataOwners->isEmpty()) {
|
|
// Free the linked list if it's empty.
|
|
sDataOwners = nullptr;
|
|
}
|
|
|
|
moz_free(mData);
|
|
}
|
|
|
|
public:
|
|
static void EnsureMemoryReporterRegistered();
|
|
|
|
// sDataOwners and sMemoryReporterRegistered may only be accessed while
|
|
// holding sDataOwnerMutex! You also must hold the mutex while touching
|
|
// elements of the linked list that DataOwner inherits from.
|
|
static mozilla::StaticMutex sDataOwnerMutex;
|
|
static mozilla::StaticAutoPtr<mozilla::LinkedList<DataOwner> > sDataOwners;
|
|
static bool sMemoryReporterRegistered;
|
|
|
|
void* mData;
|
|
uint64_t mLength;
|
|
};
|
|
|
|
private:
|
|
// Create slice
|
|
FileImplMemory(const FileImplMemory* aOther, uint64_t aStart,
|
|
uint64_t aLength, const nsAString& aContentType)
|
|
: FileImplBase(aContentType, aOther->mStart + aStart, aLength)
|
|
, mDataOwner(aOther->mDataOwner)
|
|
{
|
|
NS_ASSERTION(mDataOwner && mDataOwner->mData, "must have data");
|
|
mImmutable = aOther->mImmutable;
|
|
}
|
|
|
|
~FileImplMemory() {}
|
|
|
|
// Used when backed by a memory store
|
|
nsRefPtr<DataOwner> mDataOwner;
|
|
};
|
|
|
|
class FileImplTemporaryFileBlob final : public FileImplBase
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
|
|
FileImplTemporaryFileBlob(PRFileDesc* aFD, uint64_t aStartPos,
|
|
uint64_t aLength, const nsAString& aContentType)
|
|
: FileImplBase(aContentType, aLength)
|
|
, mLength(aLength)
|
|
, mStartPos(aStartPos)
|
|
, mContentType(aContentType)
|
|
{
|
|
mFileDescOwner = new nsTemporaryFileInputStream::FileDescOwner(aFD);
|
|
}
|
|
|
|
virtual nsresult GetInternalStream(nsIInputStream** aStream) override;
|
|
|
|
virtual already_AddRefed<FileImpl>
|
|
CreateSlice(uint64_t aStart, uint64_t aLength,
|
|
const nsAString& aContentType, ErrorResult& aRv) override;
|
|
|
|
private:
|
|
FileImplTemporaryFileBlob(const FileImplTemporaryFileBlob* aOther,
|
|
uint64_t aStart, uint64_t aLength,
|
|
const nsAString& aContentType)
|
|
: FileImplBase(aContentType, aLength)
|
|
, mLength(aLength)
|
|
, mStartPos(aStart)
|
|
, mFileDescOwner(aOther->mFileDescOwner)
|
|
, mContentType(aContentType) {}
|
|
|
|
~FileImplTemporaryFileBlob() {}
|
|
|
|
uint64_t mLength;
|
|
uint64_t mStartPos;
|
|
nsRefPtr<nsTemporaryFileInputStream::FileDescOwner> mFileDescOwner;
|
|
nsString mContentType;
|
|
};
|
|
|
|
class FileImplFile : public FileImplBase
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
|
|
// Create as a file
|
|
explicit FileImplFile(nsIFile* aFile, bool aTemporary = false)
|
|
: FileImplBase(EmptyString(), EmptyString(), UINT64_MAX, UINT64_MAX)
|
|
, mFile(aFile)
|
|
, mWholeFile(true)
|
|
, mStoredFile(false)
|
|
, mIsTemporary(aTemporary)
|
|
{
|
|
NS_ASSERTION(mFile, "must have file");
|
|
// Lazily get the content type and size
|
|
mContentType.SetIsVoid(true);
|
|
mFile->GetLeafName(mName);
|
|
}
|
|
|
|
FileImplFile(nsIFile* aFile, indexedDB::FileInfo* aFileInfo)
|
|
: FileImplBase(EmptyString(), EmptyString(), UINT64_MAX, UINT64_MAX)
|
|
, mFile(aFile)
|
|
, mWholeFile(true)
|
|
, mStoredFile(true)
|
|
, mIsTemporary(false)
|
|
{
|
|
NS_ASSERTION(mFile, "must have file");
|
|
NS_ASSERTION(aFileInfo, "must have file info");
|
|
// Lazily get the content type and size
|
|
mContentType.SetIsVoid(true);
|
|
mFile->GetLeafName(mName);
|
|
|
|
mFileInfos.AppendElement(aFileInfo);
|
|
}
|
|
|
|
// Create as a file
|
|
FileImplFile(const nsAString& aName, const nsAString& aContentType,
|
|
uint64_t aLength, nsIFile* aFile)
|
|
: FileImplBase(aName, aContentType, aLength, UINT64_MAX)
|
|
, mFile(aFile)
|
|
, mWholeFile(true)
|
|
, mStoredFile(false)
|
|
, mIsTemporary(false)
|
|
{
|
|
NS_ASSERTION(mFile, "must have file");
|
|
}
|
|
|
|
FileImplFile(const nsAString& aName, const nsAString& aContentType,
|
|
uint64_t aLength, nsIFile* aFile,
|
|
uint64_t aLastModificationDate)
|
|
: FileImplBase(aName, aContentType, aLength, aLastModificationDate)
|
|
, mFile(aFile)
|
|
, mWholeFile(true)
|
|
, mStoredFile(false)
|
|
, mIsTemporary(false)
|
|
{
|
|
NS_ASSERTION(mFile, "must have file");
|
|
}
|
|
|
|
// Create as a file with custom name
|
|
FileImplFile(nsIFile* aFile, const nsAString& aName,
|
|
const nsAString& aContentType)
|
|
: FileImplBase(aName, aContentType, UINT64_MAX, UINT64_MAX)
|
|
, mFile(aFile)
|
|
, mWholeFile(true)
|
|
, mStoredFile(false)
|
|
, mIsTemporary(false)
|
|
{
|
|
NS_ASSERTION(mFile, "must have file");
|
|
if (aContentType.IsEmpty()) {
|
|
// Lazily get the content type and size
|
|
mContentType.SetIsVoid(true);
|
|
}
|
|
}
|
|
|
|
// Create as a stored file
|
|
FileImplFile(const nsAString& aName, const nsAString& aContentType,
|
|
uint64_t aLength, nsIFile* aFile,
|
|
indexedDB::FileInfo* aFileInfo)
|
|
: FileImplBase(aName, aContentType, aLength, UINT64_MAX)
|
|
, mFile(aFile)
|
|
, mWholeFile(true)
|
|
, mStoredFile(true)
|
|
, mIsTemporary(false)
|
|
{
|
|
NS_ASSERTION(mFile, "must have file");
|
|
mFileInfos.AppendElement(aFileInfo);
|
|
}
|
|
|
|
// Create as a stored blob
|
|
FileImplFile(const nsAString& aContentType, uint64_t aLength,
|
|
nsIFile* aFile, indexedDB::FileInfo* aFileInfo)
|
|
: FileImplBase(aContentType, aLength)
|
|
, mFile(aFile)
|
|
, mWholeFile(true)
|
|
, mStoredFile(true)
|
|
, mIsTemporary(false)
|
|
{
|
|
NS_ASSERTION(mFile, "must have file");
|
|
mFileInfos.AppendElement(aFileInfo);
|
|
}
|
|
|
|
// Create as a file to be later initialized
|
|
FileImplFile()
|
|
: FileImplBase(EmptyString(), EmptyString(), UINT64_MAX, UINT64_MAX)
|
|
, mWholeFile(true)
|
|
, mStoredFile(false)
|
|
, mIsTemporary(false)
|
|
{
|
|
// Lazily get the content type and size
|
|
mContentType.SetIsVoid(true);
|
|
mName.SetIsVoid(true);
|
|
}
|
|
|
|
// Overrides
|
|
virtual uint64_t GetSize(ErrorResult& aRv) override;
|
|
virtual void GetType(nsAString& aType) override;
|
|
virtual int64_t GetLastModified(ErrorResult& aRv) override;
|
|
virtual void SetLastModified(int64_t aLastModified) override;
|
|
virtual void GetMozFullPathInternal(nsAString& aFullPath,
|
|
ErrorResult& aRv) override;
|
|
virtual nsresult GetInternalStream(nsIInputStream**) override;
|
|
|
|
void SetPath(const nsAString& aFullPath);
|
|
|
|
protected:
|
|
virtual ~FileImplFile() {
|
|
if (mFile && mIsTemporary) {
|
|
NS_WARNING("In temporary ~FileImplFile");
|
|
// Ignore errors if any, not much we can do. Clean-up will be done by
|
|
// https://mxr.mozilla.org/mozilla-central/source/xpcom/io/nsAnonymousTemporaryFile.cpp?rev=6c1c7e45c902#127
|
|
#ifdef DEBUG
|
|
nsresult rv =
|
|
#endif
|
|
mFile->Remove(false);
|
|
NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "Failed to remove temporary DOMFile.");
|
|
}
|
|
}
|
|
|
|
private:
|
|
// Create slice
|
|
FileImplFile(const FileImplFile* aOther, uint64_t aStart,
|
|
uint64_t aLength, const nsAString& aContentType)
|
|
: FileImplBase(aContentType, aOther->mStart + aStart, aLength)
|
|
, mFile(aOther->mFile)
|
|
, mWholeFile(false)
|
|
, mStoredFile(aOther->mStoredFile)
|
|
, mIsTemporary(false)
|
|
{
|
|
NS_ASSERTION(mFile, "must have file");
|
|
mImmutable = aOther->mImmutable;
|
|
|
|
if (mStoredFile) {
|
|
indexedDB::FileInfo* fileInfo;
|
|
|
|
using indexedDB::IndexedDatabaseManager;
|
|
|
|
if (IndexedDatabaseManager::IsClosed()) {
|
|
fileInfo = aOther->GetFileInfo();
|
|
}
|
|
else {
|
|
mozilla::MutexAutoLock lock(IndexedDatabaseManager::FileMutex());
|
|
fileInfo = aOther->GetFileInfo();
|
|
}
|
|
|
|
mFileInfos.AppendElement(fileInfo);
|
|
}
|
|
}
|
|
|
|
virtual already_AddRefed<FileImpl>
|
|
CreateSlice(uint64_t aStart, uint64_t aLength,
|
|
const nsAString& aContentType, ErrorResult& aRv) override;
|
|
|
|
virtual bool IsStoredFile() const override
|
|
{
|
|
return mStoredFile;
|
|
}
|
|
|
|
virtual bool IsWholeFile() const override
|
|
{
|
|
return mWholeFile;
|
|
}
|
|
|
|
nsCOMPtr<nsIFile> mFile;
|
|
bool mWholeFile;
|
|
bool mStoredFile;
|
|
bool mIsTemporary;
|
|
};
|
|
|
|
class FileList final : public nsIDOMFileList,
|
|
public nsWrapperCache
|
|
{
|
|
~FileList() {}
|
|
|
|
public:
|
|
explicit FileList(nsISupports *aParent) : mParent(aParent)
|
|
{
|
|
}
|
|
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(FileList)
|
|
|
|
NS_DECL_NSIDOMFILELIST
|
|
|
|
virtual JSObject* WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
|
|
|
|
nsISupports* GetParentObject()
|
|
{
|
|
return mParent;
|
|
}
|
|
|
|
void Disconnect()
|
|
{
|
|
mParent = nullptr;
|
|
}
|
|
|
|
bool Append(File *aFile) { return mFiles.AppendElement(aFile); }
|
|
|
|
bool Remove(uint32_t aIndex) {
|
|
if (aIndex < mFiles.Length()) {
|
|
mFiles.RemoveElementAt(aIndex);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void Clear() { return mFiles.Clear(); }
|
|
|
|
static FileList* FromSupports(nsISupports* aSupports)
|
|
{
|
|
#ifdef DEBUG
|
|
{
|
|
nsCOMPtr<nsIDOMFileList> list_qi = do_QueryInterface(aSupports);
|
|
|
|
// If this assertion fires the QI implementation for the object in
|
|
// question doesn't use the nsIDOMFileList pointer as the nsISupports
|
|
// pointer. That must be fixed, or we'll crash...
|
|
NS_ASSERTION(list_qi == static_cast<nsIDOMFileList*>(aSupports),
|
|
"Uh, fix QI!");
|
|
}
|
|
#endif
|
|
|
|
return static_cast<FileList*>(aSupports);
|
|
}
|
|
|
|
File* Item(uint32_t aIndex)
|
|
{
|
|
return mFiles.SafeElementAt(aIndex);
|
|
}
|
|
File* IndexedGetter(uint32_t aIndex, bool& aFound)
|
|
{
|
|
aFound = aIndex < mFiles.Length();
|
|
return aFound ? mFiles.ElementAt(aIndex) : nullptr;
|
|
}
|
|
uint32_t Length()
|
|
{
|
|
return mFiles.Length();
|
|
}
|
|
|
|
private:
|
|
nsTArray<nsRefPtr<File>> mFiles;
|
|
nsISupports *mParent;
|
|
};
|
|
|
|
} // dom namespace
|
|
} // file namespace
|
|
|
|
#endif // mozilla_dom_File_h
|