| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "third_party/blink/renderer/core/events/error_event.h" |
| |
| #include <memory> |
| |
| #include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h" |
| #include "third_party/blink/renderer/core/event_interface_names.h" |
| #include "v8/include/v8.h" |
| |
| namespace blink { |
| |
| ErrorEvent* ErrorEvent::CreateSanitizedError(ScriptState* script_state) { |
| // "6. If script's muted errors is true, then set message to "Script error.", |
| // urlString to the empty string, line and col to 0, and errorValue to null." |
| // https://html.spec.whatwg.org/multipage/webappapis.html#runtime-script-errors:muted-errors |
| DCHECK(script_state); |
| return MakeGarbageCollected<ErrorEvent>( |
| "Script error.", SourceLocation::Create(String(), 0, 0, nullptr), |
| ScriptValue::CreateNull(script_state), &script_state->World()); |
| } |
| |
| ErrorEvent::ErrorEvent() |
| : sanitized_message_(), |
| location_(SourceLocation::Create(String(), 0, 0, nullptr)), |
| world_(&DOMWrapperWorld::Current(v8::Isolate::GetCurrent())) {} |
| |
| ErrorEvent::ErrorEvent(ScriptState* script_state, |
| const AtomicString& type, |
| const ErrorEventInit* initializer) |
| : Event(type, initializer), |
| sanitized_message_(), |
| world_(&script_state->World()) { |
| if (initializer->hasMessage()) |
| sanitized_message_ = initializer->message(); |
| location_ = SourceLocation::Create( |
| initializer->hasFilename() ? initializer->filename() : String(), |
| initializer->hasLineno() ? initializer->lineno() : 0, |
| initializer->hasColno() ? initializer->colno() : 0, nullptr); |
| if (initializer->hasError()) { |
| error_.Set(initializer->error().GetIsolate(), |
| initializer->error().V8Value()); |
| } |
| } |
| |
| ErrorEvent::ErrorEvent(const String& message, |
| std::unique_ptr<SourceLocation> location, |
| ScriptValue error, |
| DOMWrapperWorld* world) |
| : Event(event_type_names::kError, Bubbles::kNo, Cancelable::kYes), |
| sanitized_message_(message), |
| location_(std::move(location)), |
| world_(world) { |
| if (!error.IsEmpty()) |
| error_.Set(error.GetIsolate(), error.V8Value()); |
| } |
| |
| void ErrorEvent::SetUnsanitizedMessage(const String& message) { |
| DCHECK(unsanitized_message_.IsEmpty()); |
| unsanitized_message_ = message; |
| } |
| |
| ErrorEvent::~ErrorEvent() = default; |
| |
| const AtomicString& ErrorEvent::InterfaceName() const { |
| return event_interface_names::kErrorEvent; |
| } |
| |
| bool ErrorEvent::IsErrorEvent() const { |
| return true; |
| } |
| |
| bool ErrorEvent::CanBeDispatchedInWorld(const DOMWrapperWorld& world) const { |
| return !world_ || world_ == &world; |
| } |
| |
| ScriptValue ErrorEvent::error(ScriptState* script_state) const { |
| // Don't return |m_error| when we are in the different worlds to avoid |
| // leaking a V8 value. |
| // We do not clone Error objects (exceptions), for 2 reasons: |
| // 1) Errors carry a reference to the isolated world's global object, and |
| // thus passing it around would cause leakage. |
| // 2) Errors cannot be cloned (or serialized): |
| if (World() != &script_state->World() || error_.IsEmpty()) |
| return ScriptValue(); |
| return ScriptValue(script_state, error_.NewLocal(script_state->GetIsolate())); |
| } |
| |
| void ErrorEvent::Trace(blink::Visitor* visitor) { |
| visitor->Trace(error_); |
| Event::Trace(visitor); |
| } |
| |
| } // namespace blink |