1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=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 "IDBFileRequest.h"
8
9 #include "IDBFileHandle.h"
10 #include "js/RootingAPI.h"
11 #include "jsapi.h"
12 #include "mozilla/Assertions.h"
13 #include "mozilla/dom/IDBFileRequestBinding.h"
14 #include "mozilla/dom/ProgressEvent.h"
15 #include "mozilla/dom/ScriptSettings.h"
16 #include "mozilla/EventDispatcher.h"
17 #include "nsCOMPtr.h"
18 #include "nsDebug.h"
19 #include "nsError.h"
20 #include "nsLiteralString.h"
21
22 namespace mozilla::dom {
23
24 using namespace mozilla::dom::indexedDB;
25
IDBFileRequest(IDBFileHandle * aFileHandle,bool aWrapAsDOMRequest)26 IDBFileRequest::IDBFileRequest(IDBFileHandle* aFileHandle,
27 bool aWrapAsDOMRequest)
28 : DOMRequest(aFileHandle->GetOwnerGlobal()),
29 mFileHandle(aFileHandle),
30 mWrapAsDOMRequest(aWrapAsDOMRequest),
31 mHasEncoding(false) {
32 MOZ_ASSERT(aFileHandle);
33 aFileHandle->AssertIsOnOwningThread();
34 }
35
~IDBFileRequest()36 IDBFileRequest::~IDBFileRequest() { AssertIsOnOwningThread(); }
37
38 // static
Create(IDBFileHandle * aFileHandle,bool aWrapAsDOMRequest)39 RefPtr<IDBFileRequest> IDBFileRequest::Create(IDBFileHandle* aFileHandle,
40 bool aWrapAsDOMRequest) {
41 MOZ_ASSERT(aFileHandle);
42 aFileHandle->AssertIsOnOwningThread();
43
44 return new IDBFileRequest(aFileHandle, aWrapAsDOMRequest);
45 }
46
FireProgressEvent(uint64_t aLoaded,uint64_t aTotal)47 void IDBFileRequest::FireProgressEvent(uint64_t aLoaded, uint64_t aTotal) {
48 AssertIsOnOwningThread();
49
50 if (NS_FAILED(CheckCurrentGlobalCorrectness())) {
51 return;
52 }
53
54 ProgressEventInit init;
55 init.mBubbles = false;
56 init.mCancelable = false;
57 init.mLengthComputable = false;
58 init.mLoaded = aLoaded;
59 init.mTotal = aTotal;
60
61 RefPtr<ProgressEvent> event =
62 ProgressEvent::Constructor(this, u"progress"_ns, init);
63 DispatchTrustedEvent(event);
64 }
65
NS_IMPL_ADDREF_INHERITED(IDBFileRequest,DOMRequest)66 NS_IMPL_ADDREF_INHERITED(IDBFileRequest, DOMRequest)
67 NS_IMPL_RELEASE_INHERITED(IDBFileRequest, DOMRequest)
68
69 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IDBFileRequest)
70 NS_INTERFACE_MAP_END_INHERITING(DOMRequest)
71
72 NS_IMPL_CYCLE_COLLECTION_INHERITED(IDBFileRequest, DOMRequest, mFileHandle)
73
74 void IDBFileRequest::GetEventTargetParent(EventChainPreVisitor& aVisitor) {
75 AssertIsOnOwningThread();
76
77 aVisitor.mCanHandle = true;
78 aVisitor.SetParentTarget(mFileHandle, false);
79 }
80
81 // virtual
WrapObject(JSContext * aCx,JS::Handle<JSObject * > aGivenProto)82 JSObject* IDBFileRequest::WrapObject(JSContext* aCx,
83 JS::Handle<JSObject*> aGivenProto) {
84 AssertIsOnOwningThread();
85
86 if (mWrapAsDOMRequest) {
87 return DOMRequest::WrapObject(aCx, aGivenProto);
88 }
89 return IDBFileRequest_Binding::Wrap(aCx, this, aGivenProto);
90 }
91
92 } // namespace mozilla::dom
93