The Tor Browser / file comparison
comparison: dom/file/FileRequest.cpp
dom/file/FileRequest.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:dac27c500d95 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "FileRequest.h" | |
| 8 | |
| 9 #include "mozilla/EventDispatcher.h" | |
| 10 #include "mozilla/dom/FileRequestBinding.h" | |
| 11 #include "nsCxPusher.h" | |
| 12 #include "nsError.h" | |
| 13 #include "nsIDOMProgressEvent.h" | |
| 14 #include "nsDOMClassInfoID.h" | |
| 15 #include "FileHelper.h" | |
| 16 #include "LockedFile.h" | |
| 17 | |
| 18 using namespace mozilla; | |
| 19 | |
| 20 USING_FILE_NAMESPACE | |
| 21 | |
| 22 FileRequest::FileRequest(nsPIDOMWindow* aWindow) | |
| 23 : DOMRequest(aWindow), mWrapAsDOMRequest(false) | |
| 24 { | |
| 25 NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); | |
| 26 } | |
| 27 | |
| 28 FileRequest::~FileRequest() | |
| 29 { | |
| 30 NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); | |
| 31 } | |
| 32 | |
| 33 // static | |
| 34 already_AddRefed<FileRequest> | |
| 35 FileRequest::Create(nsPIDOMWindow* aOwner, LockedFile* aLockedFile, | |
| 36 bool aWrapAsDOMRequest) | |
| 37 { | |
| 38 NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); | |
| 39 | |
| 40 nsRefPtr<FileRequest> request = new FileRequest(aOwner); | |
| 41 request->mLockedFile = aLockedFile; | |
| 42 request->mWrapAsDOMRequest = aWrapAsDOMRequest; | |
| 43 | |
| 44 return request.forget(); | |
| 45 } | |
| 46 | |
| 47 nsresult | |
| 48 FileRequest::PreHandleEvent(EventChainPreVisitor& aVisitor) | |
| 49 { | |
| 50 NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); | |
| 51 | |
| 52 aVisitor.mCanHandle = true; | |
| 53 aVisitor.mParentTarget = mLockedFile; | |
| 54 return NS_OK; | |
| 55 } | |
| 56 | |
| 57 nsresult | |
| 58 FileRequest::NotifyHelperCompleted(FileHelper* aFileHelper) | |
| 59 { | |
| 60 NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); | |
| 61 | |
| 62 nsresult rv = aFileHelper->mResultCode; | |
| 63 | |
| 64 // If the request failed then fire error event and return. | |
| 65 if (NS_FAILED(rv)) { | |
| 66 FireError(rv); | |
| 67 return NS_OK; | |
| 68 } | |
| 69 | |
| 70 // Otherwise we need to get the result from the helper. | |
| 71 nsIScriptContext* sc = GetContextForEventHandlers(&rv); | |
| 72 NS_ENSURE_STATE(sc); | |
| 73 | |
| 74 AutoJSContext cx; | |
| 75 NS_ASSERTION(cx, "Failed to get a context!"); | |
| 76 | |
| 77 JS::Rooted<JS::Value> result(cx); | |
| 78 | |
| 79 JS::Rooted<JSObject*> global(cx, sc->GetWindowProxy()); | |
| 80 NS_ASSERTION(global, "Failed to get global object!"); | |
| 81 | |
| 82 JSAutoCompartment ac(cx, global); | |
| 83 | |
| 84 rv = aFileHelper->GetSuccessResult(cx, &result); | |
| 85 if (NS_FAILED(rv)) { | |
| 86 NS_WARNING("GetSuccessResult failed!"); | |
| 87 } | |
| 88 | |
| 89 if (NS_SUCCEEDED(rv)) { | |
| 90 FireSuccess(result); | |
| 91 } | |
| 92 else { | |
| 93 FireError(rv); | |
| 94 } | |
| 95 | |
| 96 return NS_OK; | |
| 97 } | |
| 98 | |
| 99 NS_IMPL_CYCLE_COLLECTION_INHERITED(FileRequest, DOMRequest, | |
| 100 mLockedFile) | |
| 101 | |
| 102 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(FileRequest) | |
| 103 NS_INTERFACE_MAP_END_INHERITING(DOMRequest) | |
| 104 | |
| 105 NS_IMPL_ADDREF_INHERITED(FileRequest, DOMRequest) | |
| 106 NS_IMPL_RELEASE_INHERITED(FileRequest, DOMRequest) | |
| 107 | |
| 108 // virtual | |
| 109 JSObject* | |
| 110 FileRequest::WrapObject(JSContext* aCx) | |
| 111 { | |
| 112 if (mWrapAsDOMRequest) { | |
| 113 return DOMRequest::WrapObject(aCx); | |
| 114 } | |
| 115 return FileRequestBinding::Wrap(aCx, this); | |
| 116 } | |
| 117 | |
| 118 LockedFile* | |
| 119 FileRequest::GetLockedFile() const | |
| 120 { | |
| 121 MOZ_ASSERT(NS_IsMainThread(), "Wrong thread!"); | |
| 122 return mLockedFile; | |
| 123 } | |
| 124 | |
| 125 void | |
| 126 FileRequest::FireProgressEvent(uint64_t aLoaded, uint64_t aTotal) | |
| 127 { | |
| 128 if (NS_FAILED(CheckInnerWindowCorrectness())) { | |
| 129 return; | |
| 130 } | |
| 131 | |
| 132 nsCOMPtr<nsIDOMEvent> event; | |
| 133 nsresult rv = NS_NewDOMProgressEvent(getter_AddRefs(event), this, | |
| 134 nullptr, nullptr); | |
| 135 if (NS_FAILED(rv)) { | |
| 136 return; | |
| 137 } | |
| 138 | |
| 139 nsCOMPtr<nsIDOMProgressEvent> progress = do_QueryInterface(event); | |
| 140 MOZ_ASSERT(progress); | |
| 141 rv = progress->InitProgressEvent(NS_LITERAL_STRING("progress"), false, false, | |
| 142 false, aLoaded, aTotal); | |
| 143 if (NS_FAILED(rv)) { | |
| 144 return; | |
| 145 } | |
| 146 | |
| 147 DispatchTrustedEvent(event); | |
| 148 } |
