dom/base/DOMRequest.cpp@129ffea94266
dom/base/DOMRequest.cpp
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
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/. */
7 #include "DOMRequest.h"
9 #include "DOMError.h"
10 #include "nsCxPusher.h"
11 #include "nsThreadUtils.h"
12 #include "DOMCursor.h"
13 #include "nsIDOMEvent.h"
15 using mozilla::dom::DOMRequest;
16 using mozilla::dom::DOMRequestService;
17 using mozilla::dom::DOMCursor;
18 using mozilla::AutoSafeJSContext;
20 DOMRequest::DOMRequest(nsPIDOMWindow* aWindow)
21 : DOMEventTargetHelper(aWindow->IsInnerWindow() ?
22 aWindow : aWindow->GetCurrentInnerWindow())
23 , mResult(JSVAL_VOID)
24 , mDone(false)
25 {
26 }
28 NS_IMPL_CYCLE_COLLECTION_CLASS(DOMRequest)
30 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(DOMRequest,
31 DOMEventTargetHelper)
32 NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mError)
33 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
35 NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(DOMRequest,
36 DOMEventTargetHelper)
37 NS_IMPL_CYCLE_COLLECTION_UNLINK(mError)
38 tmp->mResult = JSVAL_VOID;
39 NS_IMPL_CYCLE_COLLECTION_UNLINK_END
41 NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(DOMRequest,
42 DOMEventTargetHelper)
43 // Don't need NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER because
44 // DOMEventTargetHelper does it for us.
45 NS_IMPL_CYCLE_COLLECTION_TRACE_JSVAL_MEMBER_CALLBACK(mResult)
46 NS_IMPL_CYCLE_COLLECTION_TRACE_END
48 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DOMRequest)
49 NS_INTERFACE_MAP_ENTRY(nsIDOMDOMRequest)
50 NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
52 NS_IMPL_ADDREF_INHERITED(DOMRequest, DOMEventTargetHelper)
53 NS_IMPL_RELEASE_INHERITED(DOMRequest, DOMEventTargetHelper)
55 /* virtual */ JSObject*
56 DOMRequest::WrapObject(JSContext* aCx)
57 {
58 return DOMRequestBinding::Wrap(aCx, this);
59 }
61 NS_IMPL_EVENT_HANDLER(DOMRequest, success)
62 NS_IMPL_EVENT_HANDLER(DOMRequest, error)
64 NS_IMETHODIMP
65 DOMRequest::GetReadyState(nsAString& aReadyState)
66 {
67 DOMRequestReadyState readyState = ReadyState();
68 switch (readyState) {
69 case DOMRequestReadyState::Pending:
70 aReadyState.AssignLiteral("pending");
71 break;
72 case DOMRequestReadyState::Done:
73 aReadyState.AssignLiteral("done");
74 break;
75 default:
76 MOZ_CRASH("Unrecognized readyState.");
77 }
79 return NS_OK;
80 }
82 NS_IMETHODIMP
83 DOMRequest::GetResult(JS::MutableHandle<JS::Value> aResult)
84 {
85 GetResult(nullptr, aResult);
86 return NS_OK;
87 }
89 NS_IMETHODIMP
90 DOMRequest::GetError(nsISupports** aError)
91 {
92 NS_IF_ADDREF(*aError = GetError());
93 return NS_OK;
94 }
96 void
97 DOMRequest::FireSuccess(JS::Handle<JS::Value> aResult)
98 {
99 NS_ASSERTION(!mDone, "mDone shouldn't have been set to true already!");
100 NS_ASSERTION(!mError, "mError shouldn't have been set!");
101 NS_ASSERTION(mResult == JSVAL_VOID, "mResult shouldn't have been set!");
103 mDone = true;
104 if (JSVAL_IS_GCTHING(aResult)) {
105 RootResultVal();
106 }
107 mResult = aResult;
109 FireEvent(NS_LITERAL_STRING("success"), false, false);
110 }
112 void
113 DOMRequest::FireError(const nsAString& aError)
114 {
115 NS_ASSERTION(!mDone, "mDone shouldn't have been set to true already!");
116 NS_ASSERTION(!mError, "mError shouldn't have been set!");
117 NS_ASSERTION(mResult == JSVAL_VOID, "mResult shouldn't have been set!");
119 mDone = true;
120 mError = new DOMError(GetOwner(), aError);
122 FireEvent(NS_LITERAL_STRING("error"), true, true);
123 }
125 void
126 DOMRequest::FireError(nsresult aError)
127 {
128 NS_ASSERTION(!mDone, "mDone shouldn't have been set to true already!");
129 NS_ASSERTION(!mError, "mError shouldn't have been set!");
130 NS_ASSERTION(mResult == JSVAL_VOID, "mResult shouldn't have been set!");
132 mDone = true;
133 mError = new DOMError(GetOwner(), aError);
135 FireEvent(NS_LITERAL_STRING("error"), true, true);
136 }
138 void
139 DOMRequest::FireDetailedError(nsISupports* aError)
140 {
141 NS_ASSERTION(!mDone, "mDone shouldn't have been set to true already!");
142 NS_ASSERTION(!mError, "mError shouldn't have been set!");
143 NS_ASSERTION(mResult == JSVAL_VOID, "mResult shouldn't have been set!");
144 NS_ASSERTION(aError, "No detailed error provided");
146 mDone = true;
147 mError = aError;
149 FireEvent(NS_LITERAL_STRING("error"), true, true);
150 }
152 void
153 DOMRequest::FireEvent(const nsAString& aType, bool aBubble, bool aCancelable)
154 {
155 if (NS_FAILED(CheckInnerWindowCorrectness())) {
156 return;
157 }
159 nsCOMPtr<nsIDOMEvent> event;
160 NS_NewDOMEvent(getter_AddRefs(event), this, nullptr, nullptr);
161 nsresult rv = event->InitEvent(aType, aBubble, aCancelable);
162 if (NS_FAILED(rv)) {
163 return;
164 }
166 event->SetTrusted(true);
168 bool dummy;
169 DispatchEvent(event, &dummy);
170 }
172 void
173 DOMRequest::RootResultVal()
174 {
175 mozilla::HoldJSObjects(this);
176 }
178 NS_IMPL_ISUPPORTS(DOMRequestService, nsIDOMRequestService)
180 NS_IMETHODIMP
181 DOMRequestService::CreateRequest(nsIDOMWindow* aWindow,
182 nsIDOMDOMRequest** aRequest)
183 {
184 nsCOMPtr<nsPIDOMWindow> win(do_QueryInterface(aWindow));
185 NS_ENSURE_STATE(win);
186 NS_ADDREF(*aRequest = new DOMRequest(win));
188 return NS_OK;
189 }
191 NS_IMETHODIMP
192 DOMRequestService::CreateCursor(nsIDOMWindow* aWindow,
193 nsICursorContinueCallback* aCallback,
194 nsIDOMDOMCursor** aCursor)
195 {
196 nsCOMPtr<nsPIDOMWindow> win(do_QueryInterface(aWindow));
197 NS_ENSURE_STATE(win);
198 NS_ADDREF(*aCursor = new DOMCursor(win, aCallback));
200 return NS_OK;
201 }
203 NS_IMETHODIMP
204 DOMRequestService::FireSuccess(nsIDOMDOMRequest* aRequest,
205 JS::Handle<JS::Value> aResult)
206 {
207 NS_ENSURE_STATE(aRequest);
208 static_cast<DOMRequest*>(aRequest)->FireSuccess(aResult);
210 return NS_OK;
211 }
213 NS_IMETHODIMP
214 DOMRequestService::FireError(nsIDOMDOMRequest* aRequest,
215 const nsAString& aError)
216 {
217 NS_ENSURE_STATE(aRequest);
218 static_cast<DOMRequest*>(aRequest)->FireError(aError);
220 return NS_OK;
221 }
223 NS_IMETHODIMP
224 DOMRequestService::FireDetailedError(nsIDOMDOMRequest* aRequest,
225 nsISupports* aError)
226 {
227 NS_ENSURE_STATE(aRequest);
228 static_cast<DOMRequest*>(aRequest)->FireDetailedError(aError);
230 return NS_OK;
231 }
233 class FireSuccessAsyncTask : public nsRunnable
234 {
236 FireSuccessAsyncTask(JSContext* aCx,
237 DOMRequest* aRequest,
238 const JS::Value& aResult) :
239 mReq(aRequest),
240 mResult(aCx, aResult)
241 {
242 }
244 public:
246 // Due to the fact that initialization can fail during shutdown (since we
247 // can't fetch a js context), set up an initiatization function to make sure
248 // we can return the failure appropriately
249 static nsresult
250 Dispatch(DOMRequest* aRequest,
251 const JS::Value& aResult)
252 {
253 NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
254 AutoSafeJSContext cx;
255 nsRefPtr<FireSuccessAsyncTask> asyncTask = new FireSuccessAsyncTask(cx, aRequest, aResult);
256 if (NS_FAILED(NS_DispatchToMainThread(asyncTask))) {
257 NS_WARNING("Failed to dispatch to main thread!");
258 return NS_ERROR_FAILURE;
259 }
260 return NS_OK;
261 }
263 NS_IMETHODIMP
264 Run()
265 {
266 mReq->FireSuccess(JS::Handle<JS::Value>::fromMarkedLocation(mResult.address()));
267 return NS_OK;
268 }
270 ~FireSuccessAsyncTask()
271 {
272 NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
273 }
275 private:
276 nsRefPtr<DOMRequest> mReq;
277 JS::PersistentRooted<JS::Value> mResult;
278 };
280 class FireErrorAsyncTask : public nsRunnable
281 {
282 public:
283 FireErrorAsyncTask(DOMRequest* aRequest,
284 const nsAString& aError) :
285 mReq(aRequest),
286 mError(aError)
287 {
288 }
290 NS_IMETHODIMP
291 Run()
292 {
293 mReq->FireError(mError);
294 return NS_OK;
295 }
296 private:
297 nsRefPtr<DOMRequest> mReq;
298 nsString mError;
299 };
301 NS_IMETHODIMP
302 DOMRequestService::FireSuccessAsync(nsIDOMDOMRequest* aRequest,
303 JS::Handle<JS::Value> aResult)
304 {
305 NS_ENSURE_STATE(aRequest);
306 return FireSuccessAsyncTask::Dispatch(static_cast<DOMRequest*>(aRequest), aResult);
307 }
309 NS_IMETHODIMP
310 DOMRequestService::FireErrorAsync(nsIDOMDOMRequest* aRequest,
311 const nsAString& aError)
312 {
313 NS_ENSURE_STATE(aRequest);
314 nsCOMPtr<nsIRunnable> asyncTask =
315 new FireErrorAsyncTask(static_cast<DOMRequest*>(aRequest), aError);
316 if (NS_FAILED(NS_DispatchToMainThread(asyncTask))) {
317 NS_WARNING("Failed to dispatch to main thread!");
318 return NS_ERROR_FAILURE;
319 }
320 return NS_OK;
321 }
323 NS_IMETHODIMP
324 DOMRequestService::FireDone(nsIDOMDOMCursor* aCursor) {
325 NS_ENSURE_STATE(aCursor);
326 static_cast<DOMCursor*>(aCursor)->FireDone();
328 return NS_OK;
329 }
