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https://github.com/RGBCube/serenity
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LibWeb: Bring browsing context creation closer to spec
This patch implements the "create a new browsing context" function from the HTML spec and replaces our existing logic with it. The big difference is that browsing contexts now initially navigate to "about:blank" instead of starting out in a strange "empty" state. This makes it possible for websites to create a new iframe and start scripting inside it right away, without having to load an URL into it.
This commit is contained in:
parent
73f77969a6
commit
2a7924f96c
8 changed files with 242 additions and 5 deletions
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@ -659,7 +659,6 @@ void Document::set_title(String const& title)
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void Document::attach_to_browsing_context(Badge<HTML::BrowsingContext>, HTML::BrowsingContext& browsing_context)
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void Document::attach_to_browsing_context(Badge<HTML::BrowsingContext>, HTML::BrowsingContext& browsing_context)
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{
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{
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m_browsing_context = browsing_context;
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m_browsing_context = browsing_context;
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update_layout();
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}
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}
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void Document::detach_from_browsing_context(Badge<HTML::BrowsingContext>, HTML::BrowsingContext& browsing_context)
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void Document::detach_from_browsing_context(Badge<HTML::BrowsingContext>, HTML::BrowsingContext& browsing_context)
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@ -1833,4 +1832,9 @@ void Document::check_favicon_after_loading_link_resource()
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dbgln_if(SPAM_DEBUG, "No favicon found to be used");
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dbgln_if(SPAM_DEBUG, "No favicon found to be used");
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}
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}
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void Document::set_window(Badge<HTML::BrowsingContext>, HTML::Window& window)
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{
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m_window = window;
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}
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}
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}
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@ -25,6 +25,7 @@
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#include <LibWeb/DOM/ExceptionOr.h>
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#include <LibWeb/DOM/ExceptionOr.h>
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#include <LibWeb/DOM/NonElementParentNode.h>
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#include <LibWeb/DOM/NonElementParentNode.h>
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#include <LibWeb/DOM/ParentNode.h>
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#include <LibWeb/DOM/ParentNode.h>
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#include <LibWeb/HTML/CrossOrigin/CrossOriginOpenerPolicy.h>
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#include <LibWeb/HTML/DocumentReadyState.h>
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#include <LibWeb/HTML/DocumentReadyState.h>
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#include <LibWeb/HTML/HTMLScriptElement.h>
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#include <LibWeb/HTML/HTMLScriptElement.h>
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#include <LibWeb/HTML/History.h>
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#include <LibWeb/HTML/History.h>
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@ -82,6 +83,9 @@ public:
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HTML::Origin origin() const;
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HTML::Origin origin() const;
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void set_origin(HTML::Origin const& origin);
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void set_origin(HTML::Origin const& origin);
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HTML::CrossOriginOpenerPolicy const& cross_origin_opener_policy() const { return m_cross_origin_opener_policy; }
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void set_cross_origin_opener_policy(HTML::CrossOriginOpenerPolicy policy) { m_cross_origin_opener_policy = move(policy); }
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AK::URL parse_url(String const&) const;
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AK::URL parse_url(String const&) const;
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CSS::StyleComputer& style_computer() { return *m_style_computer; }
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CSS::StyleComputer& style_computer() { return *m_style_computer; }
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@ -263,6 +267,8 @@ public:
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HTML::Window& window() { return *m_window; }
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HTML::Window& window() { return *m_window; }
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HTML::Window const& window() const { return *m_window; }
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HTML::Window const& window() const { return *m_window; }
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void set_window(Badge<HTML::BrowsingContext>, HTML::Window&);
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ExceptionOr<void> write(Vector<String> const& strings);
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ExceptionOr<void> write(Vector<String> const& strings);
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ExceptionOr<void> writeln(Vector<String> const& strings);
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ExceptionOr<void> writeln(Vector<String> const& strings);
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@ -484,6 +490,9 @@ private:
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// https://html.spec.whatwg.org/multipage/dom.html#is-initial-about:blank
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// https://html.spec.whatwg.org/multipage/dom.html#is-initial-about:blank
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bool m_is_initial_about_blank { false };
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bool m_is_initial_about_blank { false };
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// https://html.spec.whatwg.org/multipage/dom.html#concept-document-coop
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HTML::CrossOriginOpenerPolicy m_cross_origin_opener_policy;
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// https://html.spec.whatwg.org/multipage/dom.html#the-document's-referrer
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// https://html.spec.whatwg.org/multipage/dom.html#the-document's-referrer
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String m_referrer { "" };
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String m_referrer { "" };
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@ -4,13 +4,18 @@
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* SPDX-License-Identifier: BSD-2-Clause
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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*/
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#include <LibWeb/Bindings/MainThreadVM.h>
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#include <LibWeb/Bindings/Wrapper.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/HTMLCollection.h>
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#include <LibWeb/DOM/HTMLCollection.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/BrowsingContextContainer.h>
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#include <LibWeb/HTML/BrowsingContextContainer.h>
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#include <LibWeb/HTML/CrossOrigin/CrossOriginOpenerPolicy.h>
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#include <LibWeb/HTML/EventLoop/EventLoop.h>
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#include <LibWeb/HTML/EventLoop/EventLoop.h>
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#include <LibWeb/HTML/HTMLAnchorElement.h>
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#include <LibWeb/HTML/HTMLAnchorElement.h>
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#include <LibWeb/HTML/HTMLInputElement.h>
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#include <LibWeb/HTML/HTMLInputElement.h>
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#include <LibWeb/HTML/SandboxingFlagSet.h>
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#include <LibWeb/HTML/Scripting/WindowEnvironmentSettingsObject.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/Layout/BreakNode.h>
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#include <LibWeb/Layout/BreakNode.h>
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#include <LibWeb/Layout/InitialContainingBlock.h>
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#include <LibWeb/Layout/InitialContainingBlock.h>
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@ -19,6 +24,207 @@
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namespace Web::HTML {
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/urls-and-fetching.html#matches-about:blank
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static bool url_matches_about_blank(AK::URL const& url)
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{
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// A URL matches about:blank if its scheme is "about", its path contains a single string "blank", its username and password are the empty string, and its host is null.
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return url.scheme() == "about"sv
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&& url.path() == "blank"sv
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&& url.username().is_empty()
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&& url.password().is_empty()
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&& url.host().is_null();
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}
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// https://url.spec.whatwg.org/#concept-url-origin
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static HTML::Origin url_origin(AK::URL const& url)
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{
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// FIXME: Move this whole function somewhere better.
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if (url.scheme() == "blob"sv) {
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// FIXME: Implement
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return HTML::Origin {};
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}
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if (url.scheme().is_one_of("ftp"sv, "http"sv, "https"sv, "ws"sv, "wss"sv)) {
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// Return the tuple origin (url’s scheme, url’s host, url’s port, null).
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return HTML::Origin(url.scheme(), url.host(), url.port().value_or(0));
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}
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if (url.scheme() == "file"sv) {
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// Unfortunate as it is, this is left as an exercise to the reader. When in doubt, return a new opaque origin.
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return HTML::Origin {};
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}
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return HTML::Origin {};
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}
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// https://html.spec.whatwg.org/multipage/browsers.html#determining-the-origin
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static HTML::Origin determine_the_origin(BrowsingContext const& browsing_context, Optional<AK::URL> url, SandboxingFlagSet sandbox_flags, Optional<HTML::Origin> invocation_origin)
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{
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// 1. If sandboxFlags has its sandboxed origin browsing context flag set, then return a new opaque origin.
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if (sandbox_flags.flags & SandboxingFlagSet::SandboxedOrigin) {
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return HTML::Origin {};
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}
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// 2. If url is null, then return a new opaque origin.
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if (!url.has_value()) {
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return HTML::Origin {};
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}
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// 3. If invocationOrigin is non-null and url matches about:blank, then return invocationOrigin.
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if (invocation_origin.has_value() && url_matches_about_blank(*url)) {
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return invocation_origin.value();
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}
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// 4. If url is about:srcdoc, then return the origin of browsingContext's container document.
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if (url == AK::URL("about:srcdoc")) {
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VERIFY(browsing_context.container_document());
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return browsing_context.container_document()->origin();
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}
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// 5. Return url's origin.
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return url_origin(*url);
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}
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// https://html.spec.whatwg.org/multipage/browsers.html#creating-a-new-browsing-context
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NonnullRefPtr<BrowsingContext> BrowsingContext::create_a_new_browsing_context(Page& page, RefPtr<DOM::Document> creator, RefPtr<DOM::Element> embedder)
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{
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// 1. Let browsingContext be a new browsing context.
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BrowsingContextContainer* container = (embedder && is<BrowsingContextContainer>(*embedder)) ? static_cast<BrowsingContextContainer*>(embedder.ptr()) : nullptr;
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auto browsing_context = adopt_ref(*new BrowsingContext(page, container));
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// 2. Let unsafeContextCreationTime be the unsafe shared current time.
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[[maybe_unused]] auto unsafe_context_creation_time = HTML::main_thread_event_loop().unsafe_shared_current_time();
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// 3. If creator is non-null, then set browsingContext's creator origin to return creator's origin,
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// browsingContext's creator URL to return creator's URL,
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// browsingContext's creator base URL to return creator's base URL,
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// FIXME: and browsingContext's virtual browsing context group ID to creator's top-level browsing context's virtual browsing context group ID.
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if (creator) {
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browsing_context->m_creator_origin = creator->origin();
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browsing_context->m_creator_url = creator->url();
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browsing_context->m_creator_base_url = creator->base_url();
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}
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// FIXME: 4. Let sandboxFlags be the result of determining the creation sandboxing flags given browsingContext and embedded.
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SandboxingFlagSet sandbox_flags;
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// 5. Let origin be the result of determining the origin given browsingContext, about:blank, sandboxFlags, and browsingContext's creator origin.
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auto origin = determine_the_origin(browsing_context, AK::URL("about:blank"), sandbox_flags, browsing_context->m_creator_origin);
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// FIXME: 6. Let permissionsPolicy be the result of creating a permissions policy given browsingContext and origin. [PERMISSIONSPOLICY]
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// FIXME: 7. Let agent be the result of obtaining a similar-origin window agent given origin, group, and false.
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RefPtr<Window> window;
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// 8. Let realm execution context be the result of creating a new JavaScript realm given agent and the following customizations:
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auto realm_execution_context = Bindings::create_a_new_javascript_realm(
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Bindings::main_thread_vm(),
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[&](JS::Realm& realm) -> JS::Value {
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// - For the global object, create a new Window object.
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window = HTML::Window::create();
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auto* global_object = realm.heap().allocate_without_global_object<Bindings::WindowObject>(realm, *window);
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VERIFY(window->wrapper() == global_object);
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return global_object;
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},
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[](JS::Realm&) -> JS::Value {
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// FIXME: - For the global this binding, use browsingContext's WindowProxy object.
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return JS::js_undefined();
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});
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// 9. Let topLevelCreationURL be about:blank if embedder is null; otherwise embedder's relevant settings object's top-level creation URL.
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auto top_level_creation_url = !embedder ? AK::URL("about:blank") : relevant_settings_object(*embedder).top_level_creation_url;
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// 10. Let topLevelOrigin be origin if embedder is null; otherwise embedder's relevant settings object's top-level origin.
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auto top_level_origin = !embedder ? origin : relevant_settings_object(*embedder).origin();
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// 11. Set up a window environment settings object with about:blank, realm execution context, null, topLevelCreationURL, and topLevelOrigin.
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HTML::WindowEnvironmentSettingsObject::setup(
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AK::URL("about:blank"),
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move(realm_execution_context),
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{},
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top_level_creation_url,
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top_level_origin);
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// FIXME: 12. Let loadTimingInfo be a new document load timing info with its navigation start time set to the result of calling
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// coarsen time with unsafeContextCreationTime and the new environment settings object's cross-origin isolated capability.
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// 13. Let coop be a new cross-origin opener policy.
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auto coop = CrossOriginOpenerPolicy {};
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// 14. If creator is non-null and creator's origin is same origin with creator's relevant settings object's top-level origin,
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// then set coop to creator's browsing context's top-level browsing context's active document's cross-origin opener policy.
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if (creator && creator->origin().is_same_origin(relevant_settings_object(*creator).top_level_origin)) {
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VERIFY(creator->browsing_context());
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auto* top_level_document = creator->browsing_context()->top_level_browsing_context().active_document();
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VERIFY(top_level_document);
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coop = top_level_document->cross_origin_opener_policy();
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}
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// 15. Let document be a new Document, marked as an HTML document in quirks mode,
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// whose content type is "text/html",
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// origin is origin,
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// FIXME: active sandboxing flag set is sandboxFlags,
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// FIXME: permissions policy is permissionsPolicy,
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// cross-origin opener policy is coop,
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// FIXME: load timing info is loadTimingInfo,
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// FIXME: navigation id is null,
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// and which is ready for post-load tasks.
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auto document = DOM::Document::create();
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// Non-standard
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document->set_window({}, *window);
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window->set_associated_document(*document);
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document->set_quirks_mode(DOM::QuirksMode::Yes);
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document->set_content_type("text/html");
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document->set_origin(origin);
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document->set_url(AK::URL("about:blank"));
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document->set_cross_origin_opener_policy(coop);
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document->set_ready_for_post_load_tasks(true);
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// FIXME: 16. Assert: document's URL and document's relevant settings object's creation URL are about:blank.
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// 17. Set document's is initial about:blank to true.
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document->set_is_initial_about_blank(true);
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// 18. Ensure that document has a single child html node, which itself has two empty child nodes: a head element, and a body element.
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auto html_node = document->create_element(HTML::TagNames::html).release_value();
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html_node->append_child(document->create_element(HTML::TagNames::head).release_value());
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html_node->append_child(document->create_element(HTML::TagNames::body).release_value());
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document->append_child(html_node);
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// 19. Set the active document of browsingContext to document.
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browsing_context->m_active_document = document;
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// 20. If browsingContext's creator URL is non-null, then set document's referrer to the serialization of it.
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if (browsing_context->m_creator_url.has_value()) {
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document->set_referrer(browsing_context->m_creator_url->serialize());
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}
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// FIXME: 21. If creator is non-null, then set document's policy container to a clone of creator's policy container.
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// 22. Append a new session history entry to browsingContext's session history whose URL is about:blank and document is document.
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browsing_context->m_session_history.append(HTML::SessionHistoryEntry {
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.url = AK::URL("about:blank"),
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.document = document,
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.serialized_state = {},
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.policy_container = {},
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.scroll_restoration_mode = {},
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.browsing_context_name = {},
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});
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// Non-standard:
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document->attach_to_browsing_context({}, browsing_context);
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// 23. Completely finish loading document.
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document->completely_finish_loading();
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// 24. Return browsingContext.
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return browsing_context;
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}
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BrowsingContext::BrowsingContext(Page& page, HTML::BrowsingContextContainer* container)
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BrowsingContext::BrowsingContext(Page& page, HTML::BrowsingContextContainer* container)
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: m_page(page)
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: m_page(page)
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, m_loader(*this)
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, m_loader(*this)
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@ -16,6 +16,7 @@
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#include <LibGfx/Size.h>
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#include <LibGfx/Size.h>
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#include <LibWeb/DOM/Position.h>
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#include <LibWeb/DOM/Position.h>
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#include <LibWeb/HTML/BrowsingContextContainer.h>
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#include <LibWeb/HTML/BrowsingContextContainer.h>
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#include <LibWeb/HTML/Origin.h>
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#include <LibWeb/HTML/SessionHistoryEntry.h>
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#include <LibWeb/HTML/SessionHistoryEntry.h>
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#include <LibWeb/Loader/FrameLoader.h>
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#include <LibWeb/Loader/FrameLoader.h>
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#include <LibWeb/Page/EventHandler.h>
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#include <LibWeb/Page/EventHandler.h>
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@ -25,8 +26,8 @@ namespace Web::HTML {
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class BrowsingContext : public TreeNode<BrowsingContext> {
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class BrowsingContext : public TreeNode<BrowsingContext> {
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public:
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public:
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static NonnullRefPtr<BrowsingContext> create_nested(Page& page, HTML::BrowsingContextContainer& container) { return adopt_ref(*new BrowsingContext(page, &container)); }
|
static NonnullRefPtr<BrowsingContext> create_a_new_browsing_context(Page&, RefPtr<DOM::Document> creator, RefPtr<DOM::Element> embedder);
|
||||||
static NonnullRefPtr<BrowsingContext> create(Page& page) { return adopt_ref(*new BrowsingContext(page, nullptr)); }
|
|
||||||
~BrowsingContext();
|
~BrowsingContext();
|
||||||
|
|
||||||
class ViewportClient {
|
class ViewportClient {
|
||||||
|
@ -132,6 +133,15 @@ private:
|
||||||
// https://html.spec.whatwg.org/multipage/history.html#session-history
|
// https://html.spec.whatwg.org/multipage/history.html#session-history
|
||||||
Vector<SessionHistoryEntry> m_session_history;
|
Vector<SessionHistoryEntry> m_session_history;
|
||||||
|
|
||||||
|
// https://html.spec.whatwg.org/multipage/browsers.html#creator-url
|
||||||
|
Optional<AK::URL> m_creator_url;
|
||||||
|
|
||||||
|
// https://html.spec.whatwg.org/multipage/browsers.html#creator-base-url
|
||||||
|
Optional<AK::URL> m_creator_base_url;
|
||||||
|
|
||||||
|
// https://html.spec.whatwg.org/multipage/browsers.html#creator-origin
|
||||||
|
Optional<HTML::Origin> m_creator_origin;
|
||||||
|
|
||||||
WeakPtr<HTML::BrowsingContextContainer> m_container;
|
WeakPtr<HTML::BrowsingContextContainer> m_container;
|
||||||
RefPtr<DOM::Document> m_active_document;
|
RefPtr<DOM::Document> m_active_document;
|
||||||
Gfx::IntSize m_size;
|
Gfx::IntSize m_size;
|
||||||
|
|
|
@ -34,7 +34,7 @@ void BrowsingContextContainer::create_new_nested_browsing_context()
|
||||||
|
|
||||||
// 2. Let browsingContext be the result of creating a new browsing context with element's node document, element, and group.
|
// 2. Let browsingContext be the result of creating a new browsing context with element's node document, element, and group.
|
||||||
// 3. Set element's nested browsing context to browsingContext.
|
// 3. Set element's nested browsing context to browsingContext.
|
||||||
m_nested_browsing_context = BrowsingContext::create_nested(*group->page(), *this);
|
m_nested_browsing_context = BrowsingContext::create_a_new_browsing_context(*group->page(), document(), *this);
|
||||||
group->append_child(*m_nested_browsing_context);
|
group->append_child(*m_nested_browsing_context);
|
||||||
m_nested_browsing_context->set_frame_nesting_levels(group->frame_nesting_levels());
|
m_nested_browsing_context->set_frame_nesting_levels(group->frame_nesting_levels());
|
||||||
m_nested_browsing_context->register_frame_nesting(document().url());
|
m_nested_browsing_context->register_frame_nesting(document().url());
|
||||||
|
|
|
@ -334,6 +334,12 @@ EnvironmentSettingsObject& relevant_settings_object(JS::Object const& object)
|
||||||
return verify_cast<EnvironmentSettingsObject>(*relevant_realm(object).host_defined());
|
return verify_cast<EnvironmentSettingsObject>(*relevant_realm(object).host_defined());
|
||||||
}
|
}
|
||||||
|
|
||||||
|
EnvironmentSettingsObject& relevant_settings_object(DOM::Node const& node)
|
||||||
|
{
|
||||||
|
// Then, the relevant settings object for a platform object o is the environment settings object of the relevant Realm for o.
|
||||||
|
return const_cast<DOM::Document&>(node.document()).relevant_settings_object();
|
||||||
|
}
|
||||||
|
|
||||||
// https://html.spec.whatwg.org/multipage/webappapis.html#concept-relevant-global
|
// https://html.spec.whatwg.org/multipage/webappapis.html#concept-relevant-global
|
||||||
JS::GlobalObject& relevant_global_object(JS::Object const& object)
|
JS::GlobalObject& relevant_global_object(JS::Object const& object)
|
||||||
{
|
{
|
||||||
|
|
|
@ -126,6 +126,7 @@ EnvironmentSettingsObject& current_settings_object();
|
||||||
JS::GlobalObject& current_global_object();
|
JS::GlobalObject& current_global_object();
|
||||||
JS::Realm& relevant_realm(JS::Object const&);
|
JS::Realm& relevant_realm(JS::Object const&);
|
||||||
EnvironmentSettingsObject& relevant_settings_object(JS::Object const&);
|
EnvironmentSettingsObject& relevant_settings_object(JS::Object const&);
|
||||||
|
EnvironmentSettingsObject& relevant_settings_object(DOM::Node const&);
|
||||||
JS::GlobalObject& relevant_global_object(JS::Object const&);
|
JS::GlobalObject& relevant_global_object(JS::Object const&);
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
|
@ -4,6 +4,7 @@
|
||||||
* SPDX-License-Identifier: BSD-2-Clause
|
* SPDX-License-Identifier: BSD-2-Clause
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
#include <LibWeb/DOM/Document.h>
|
||||||
#include <LibWeb/HTML/BrowsingContext.h>
|
#include <LibWeb/HTML/BrowsingContext.h>
|
||||||
#include <LibWeb/Page/Page.h>
|
#include <LibWeb/Page/Page.h>
|
||||||
|
|
||||||
|
@ -12,7 +13,7 @@ namespace Web {
|
||||||
Page::Page(PageClient& client)
|
Page::Page(PageClient& client)
|
||||||
: m_client(client)
|
: m_client(client)
|
||||||
{
|
{
|
||||||
m_top_level_browsing_context = HTML::BrowsingContext::create(*this);
|
m_top_level_browsing_context = HTML::BrowsingContext::create_a_new_browsing_context(*this, nullptr, nullptr);
|
||||||
}
|
}
|
||||||
|
|
||||||
Page::~Page() = default;
|
Page::~Page() = default;
|
||||||
|
|
Loading…
Add table
Add a link
Reference in a new issue