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LibWeb: Add a flag to track when a browsing context has been discarded

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Timothy Flynn 2022-11-08 12:56:40 -05:00 • committed by Tim Flynn
parent f7c212a19d
commit 2d5381fd91
2 changed files with 5 additions and 0 deletions
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2
Userland/Libraries/LibWeb/HTML/BrowsingContext.cpp
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@ -1329,6 +1329,8 @@ void BrowsingContext::set_system_visibility_state(VisibilityState visibility_sta
// https://html.spec.whatwg.org/multipage/window-object.html#a-browsing-context-is-discarded // https://html.spec.whatwg.org/multipage/window-object.html#a-browsing-context-is-discarded
void BrowsingContext::discard() void BrowsingContext::discard()
{ {
m_has_been_discarded = true;
// 1. Discard all Document objects for all the entries in browsingContext's session history. // 1. Discard all Document objects for all the entries in browsingContext's session history.
for (auto& entry : m_session_history) { for (auto& entry : m_session_history) {
if (entry.document) if (entry.document)

3
Userland/Libraries/LibWeb/HTML/BrowsingContext.h
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@ -243,6 +243,7 @@ public:
// https://html.spec.whatwg.org/multipage/window-object.html#a-browsing-context-is-discarded // https://html.spec.whatwg.org/multipage/window-object.html#a-browsing-context-is-discarded
void discard(); void discard();
bool has_been_discarded() const { return m_has_been_discarded; }
// https://html.spec.whatwg.org/multipage/window-object.html#close-a-browsing-context // https://html.spec.whatwg.org/multipage/window-object.html#close-a-browsing-context
void close(); void close();
@ -305,6 +306,8 @@ private:
JS::GCPtr<BrowsingContext> m_last_child; JS::GCPtr<BrowsingContext> m_last_child;
JS::GCPtr<BrowsingContext> m_next_sibling; JS::GCPtr<BrowsingContext> m_next_sibling;
JS::GCPtr<BrowsingContext> m_previous_sibling; JS::GCPtr<BrowsingContext> m_previous_sibling;
bool m_has_been_discarded { false };
}; };
HTML::Origin determine_the_origin(BrowsingContext const& browsing_context, Optional<AK::URL> url, SandboxingFlagSet sandbox_flags, Optional<HTML::Origin> invocation_origin); HTML::Origin determine_the_origin(BrowsingContext const& browsing_context, Optional<AK::URL> url, SandboxingFlagSet sandbox_flags, Optional<HTML::Origin> invocation_origin);