blob: 87081ef45ba9a6fae4d2deebc9388f7996537442 [file] [log] [blame]
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/html/portal/html_portal_element.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/dom/node.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/local_frame_client.h"
#include "third_party/blink/renderer/core/frame/remote_frame.h"
#include "third_party/blink/renderer/core/html/html_unknown_element.h"
#include "third_party/blink/renderer/core/html/parser/html_parser_idioms.h"
#include "third_party/blink/renderer/core/html/portal/document_portals.h"
#include "third_party/blink/renderer/core/html_names.h"
#include "third_party/blink/renderer/core/layout/layout_iframe.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
namespace blink {
HTMLPortalElement::HTMLPortalElement(Document& document)
: HTMLFrameOwnerElement(html_names::kPortalTag, document) {}
HTMLPortalElement::~HTMLPortalElement() {}
void HTMLPortalElement::Trace(Visitor* visitor) {
HTMLFrameOwnerElement::Trace(visitor);
visitor->Trace(portal_frame_);
}
HTMLElement* HTMLPortalElement::Create(Document& document) {
if (RuntimeEnabledFeatures::PortalsEnabled())
return MakeGarbageCollected<HTMLPortalElement>(document);
return HTMLUnknownElement::Create(html_names::kPortalTag, document);
}
void HTMLPortalElement::Navigate() {
KURL url = GetNonEmptyURLAttribute(html_names::kSrcAttr);
if (!url.IsEmpty() && portal_ptr_) {
portal_ptr_->Navigate(url);
}
}
ScriptPromise HTMLPortalElement::activate(ScriptState* script_state) {
ScriptPromiseResolver* resolver = ScriptPromiseResolver::Create(script_state);
ScriptPromise promise = resolver->Promise();
if (portal_ptr_) {
portal_ptr_->Activate(WTF::Bind(
[](HTMLPortalElement* portal, ScriptPromiseResolver* resolver,
mojom::blink::PortalActivationStatus result) {
switch (result) {
case mojom::blink::PortalActivationStatus::kNotSupported:
resolver->Reject(
DOMException::Create(DOMExceptionCode::kNotSupportedError,
"Portal activation is not supported."));
break;
case mojom::blink::PortalActivationStatus::kSuccess:
resolver->Resolve();
break;
default:
NOTREACHED();
}
},
WrapPersistent(this), WrapPersistent(resolver)));
} else {
resolver->Reject(DOMException::Create(
DOMExceptionCode::kInvalidStateError,
"The HTMLPortalElement is not associated with a portal context."));
}
return promise;
}
HTMLPortalElement::InsertionNotificationRequest HTMLPortalElement::InsertedInto(
ContainerNode& node) {
auto result = HTMLFrameOwnerElement::InsertedInto(node);
Document& document = GetDocument();
if (node.IsInDocumentTree() && document.IsHTMLDocument()) {
std::tie(portal_frame_, portal_token_) =
GetDocument().GetFrame()->Client()->CreatePortal(
this, mojo::MakeRequest(&portal_ptr_));
DocumentPortals::From(GetDocument()).OnPortalInserted(this);
Navigate();
}
return result;
}
void HTMLPortalElement::RemovedFrom(ContainerNode& node) {
HTMLFrameOwnerElement::RemovedFrom(node);
Document& document = GetDocument();
if (node.IsInDocumentTree() && document.IsHTMLDocument()) {
// The portal creation is asynchronous, and the Document only gets notified
// after the element receives a callback from the browser that assigns its
// token, so we need to check whether that has been completed before
// notifying the document about the portal's removal.
if (!portal_token_.is_empty())
DocumentPortals::From(GetDocument()).OnPortalRemoved(this);
portal_token_ = base::UnguessableToken();
portal_ptr_.reset();
}
}
bool HTMLPortalElement::IsURLAttribute(const Attribute& attribute) const {
return attribute.GetName() == html_names::kSrcAttr ||
HTMLFrameOwnerElement::IsURLAttribute(attribute);
}
void HTMLPortalElement::ParseAttribute(
const AttributeModificationParams& params) {
HTMLFrameOwnerElement::ParseAttribute(params);
if (params.name == html_names::kSrcAttr)
Navigate();
}
LayoutObject* HTMLPortalElement::CreateLayoutObject(
const ComputedStyle& style) {
return new LayoutIFrame(this);
}
} // namespace blink