The Tor Browser / file comparison
comparison: content/base/src/nsDOMFileReader.h
content/base/src/nsDOMFileReader.h
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
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| -1:000000000000 | 0:978995d2730f |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsDOMFileReader_h__ | |
| 7 #define nsDOMFileReader_h__ | |
| 8 | |
| 9 #include "mozilla/Attributes.h" | |
| 10 #include "nsISupportsUtils.h" | |
| 11 #include "nsString.h" | |
| 12 #include "nsWeakReference.h" | |
| 13 #include "nsIStreamListener.h" | |
| 14 #include "nsIInterfaceRequestor.h" | |
| 15 #include "nsJSUtils.h" | |
| 16 #include "nsTArray.h" | |
| 17 #include "nsIJSNativeInitializer.h" | |
| 18 #include "prtime.h" | |
| 19 #include "nsITimer.h" | |
| 20 | |
| 21 #include "nsIDOMFile.h" | |
| 22 #include "nsIDOMFileReader.h" | |
| 23 #include "nsIDOMFileList.h" | |
| 24 #include "nsIInputStream.h" | |
| 25 #include "nsCOMPtr.h" | |
| 26 #include "nsIStreamLoader.h" | |
| 27 #include "nsIChannel.h" | |
| 28 | |
| 29 #include "FileIOObject.h" | |
| 30 | |
| 31 class nsDOMFileReader : public mozilla::dom::FileIOObject, | |
| 32 public nsIDOMFileReader, | |
| 33 public nsIInterfaceRequestor, | |
| 34 public nsSupportsWeakReference | |
| 35 { | |
| 36 typedef mozilla::ErrorResult ErrorResult; | |
| 37 typedef mozilla::dom::GlobalObject GlobalObject; | |
| 38 public: | |
| 39 nsDOMFileReader(); | |
| 40 virtual ~nsDOMFileReader(); | |
| 41 | |
| 42 NS_DECL_ISUPPORTS_INHERITED | |
| 43 | |
| 44 NS_DECL_NSIDOMFILEREADER | |
| 45 | |
| 46 NS_REALLY_FORWARD_NSIDOMEVENTTARGET(mozilla::DOMEventTargetHelper) | |
| 47 | |
| 48 // nsIInterfaceRequestor | |
| 49 NS_DECL_NSIINTERFACEREQUESTOR | |
| 50 | |
| 51 // FileIOObject overrides | |
| 52 virtual void DoAbort(nsAString& aEvent) MOZ_OVERRIDE; | |
| 53 NS_IMETHOD DoOnStopRequest(nsIRequest* aRequest, nsISupports* aContext, | |
| 54 nsresult aStatus, nsAString& aSuccessEvent, | |
| 55 nsAString& aTerminationEvent) MOZ_OVERRIDE; | |
| 56 NS_IMETHOD DoOnDataAvailable(nsIRequest* aRequest, nsISupports* aContext, | |
| 57 nsIInputStream* aInputStream, uint64_t aOffset, | |
| 58 uint32_t aCount) MOZ_OVERRIDE; | |
| 59 | |
| 60 nsPIDOMWindow* GetParentObject() const | |
| 61 { | |
| 62 return GetOwner(); | |
| 63 } | |
| 64 virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; | |
| 65 | |
| 66 // WebIDL | |
| 67 static already_AddRefed<nsDOMFileReader> | |
| 68 Constructor(const GlobalObject& aGlobal, ErrorResult& aRv); | |
| 69 void ReadAsArrayBuffer(JSContext* aCx, nsIDOMBlob* aBlob, ErrorResult& aRv) | |
| 70 { | |
| 71 MOZ_ASSERT(aBlob); | |
| 72 ReadFileContent(aCx, aBlob, EmptyString(), FILE_AS_ARRAYBUFFER, aRv); | |
| 73 } | |
| 74 void ReadAsText(nsIDOMBlob* aBlob, const nsAString& aLabel, ErrorResult& aRv) | |
| 75 { | |
| 76 MOZ_ASSERT(aBlob); | |
| 77 ReadFileContent(nullptr, aBlob, aLabel, FILE_AS_TEXT, aRv); | |
| 78 } | |
| 79 void ReadAsDataURL(nsIDOMBlob* aBlob, ErrorResult& aRv) | |
| 80 { | |
| 81 MOZ_ASSERT(aBlob); | |
| 82 ReadFileContent(nullptr, aBlob, EmptyString(), FILE_AS_DATAURL, aRv); | |
| 83 } | |
| 84 | |
| 85 using FileIOObject::Abort; | |
| 86 | |
| 87 // Inherited ReadyState(). | |
| 88 | |
| 89 void GetResult(JSContext* aCx, JS::MutableHandle<JS::Value> aResult, | |
| 90 ErrorResult& aRv); | |
| 91 | |
| 92 using FileIOObject::GetError; | |
| 93 | |
| 94 IMPL_EVENT_HANDLER(loadstart) | |
| 95 using FileIOObject::GetOnprogress; | |
| 96 using FileIOObject::SetOnprogress; | |
| 97 IMPL_EVENT_HANDLER(load) | |
| 98 using FileIOObject::GetOnabort; | |
| 99 using FileIOObject::SetOnabort; | |
| 100 using FileIOObject::GetOnerror; | |
| 101 using FileIOObject::SetOnerror; | |
| 102 IMPL_EVENT_HANDLER(loadend) | |
| 103 | |
| 104 void ReadAsBinaryString(nsIDOMBlob* aBlob, ErrorResult& aRv) | |
| 105 { | |
| 106 MOZ_ASSERT(aBlob); | |
| 107 ReadFileContent(nullptr, aBlob, EmptyString(), FILE_AS_BINARY, aRv); | |
| 108 } | |
| 109 | |
| 110 | |
| 111 nsresult Init(); | |
| 112 | |
| 113 NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(nsDOMFileReader, | |
| 114 FileIOObject) | |
| 115 void RootResultArrayBuffer(); | |
| 116 | |
| 117 protected: | |
| 118 enum eDataFormat { | |
| 119 FILE_AS_ARRAYBUFFER, | |
| 120 FILE_AS_BINARY, | |
| 121 FILE_AS_TEXT, | |
| 122 FILE_AS_DATAURL | |
| 123 }; | |
| 124 | |
| 125 void ReadFileContent(JSContext* aCx, nsIDOMBlob* aBlob, | |
| 126 const nsAString &aCharset, eDataFormat aDataFormat, | |
| 127 ErrorResult& aRv); | |
| 128 nsresult GetAsText(nsIDOMBlob *aFile, const nsACString &aCharset, | |
| 129 const char *aFileData, uint32_t aDataLen, nsAString &aResult); | |
| 130 nsresult GetAsDataURL(nsIDOMBlob *aFile, const char *aFileData, uint32_t aDataLen, nsAString &aResult); | |
| 131 | |
| 132 void FreeFileData() { | |
| 133 moz_free(mFileData); | |
| 134 mFileData = nullptr; | |
| 135 mDataLen = 0; | |
| 136 } | |
| 137 | |
| 138 char *mFileData; | |
| 139 nsCOMPtr<nsIDOMBlob> mFile; | |
| 140 nsCString mCharset; | |
| 141 uint32_t mDataLen; | |
| 142 | |
| 143 eDataFormat mDataFormat; | |
| 144 | |
| 145 nsString mResult; | |
| 146 nsCOMPtr<nsIPrincipal> mPrincipal; | |
| 147 | |
| 148 JS::Heap<JSObject*> mResultArrayBuffer; | |
| 149 }; | |
| 150 | |
| 151 #endif |
