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LibWebView: Add simple ID tracking to WebViews

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For Firefox DevTools, we will need to track WebViews by a numerical ID.
Here, we just increment a static 64-bit counter. We can switch to using
IDAllocator if we ever have an issue with this.

This patch adds such an ID to the views and a couple of APIs to access
WebViews after creation.
This commit is contained in:
Timothy Flynn 2025-02-15 08:06:36 -05:00 • committed by Tim Flynn
commit 3904765c4f
Notes: github-actions[bot] 2025-02-19 13:47:36 +00:00
2 changed files with 33 additions and 1 deletions
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25
Libraries/LibWebView/ViewImplementation.cpp
View file

@ -24,8 +24,29 @@
namespace WebView { namespace WebView {
ViewImplementation::ViewImplementation() static HashMap<u64, ViewImplementation*> s_all_views;
static u64 s_view_count = 1; // This has to start at 1 for Firefox DevTools.
void ViewImplementation::for_each_view(Function<IterationDecision(ViewImplementation&)> callback)
{ {
for (auto& view : s_all_views) {
if (callback(*view.value) == IterationDecision::Break)
break;
}
}
Optional<ViewImplementation&> ViewImplementation::find_view_by_id(u64 id)
{
if (auto view = s_all_views.get(id); view.has_value())
return *view.value();
return {};
}
ViewImplementation::ViewImplementation()
: m_view_id(s_view_count++)
{
s_all_views.set(m_view_id, this);
m_repeated_crash_timer = Core::Timer::create_single_shot(1000, [this] { m_repeated_crash_timer = Core::Timer::create_single_shot(1000, [this] {
// Reset the "crashing a lot" counter after 1 second in case we just // Reset the "crashing a lot" counter after 1 second in case we just
// happen to be visiting crashy websites a lot. // happen to be visiting crashy websites a lot.
@ -44,6 +65,8 @@ ViewImplementation::ViewImplementation()
ViewImplementation::~ViewImplementation() ViewImplementation::~ViewImplementation()
{ {
s_all_views.remove(m_view_id);
if (m_client_state.client) if (m_client_state.client)
m_client_state.client->unregister_view(m_client_state.page_index); m_client_state.client->unregister_view(m_client_state.page_index);
} }

9
Libraries/LibWebView/ViewImplementation.h
View file

@ -43,6 +43,11 @@ public:
String fonts_json; String fonts_json;
}; };
static void for_each_view(Function<IterationDecision(ViewImplementation&)>);
static Optional<ViewImplementation&> find_view_by_id(u64);
u64 view_id() const { return m_view_id; }
void set_url(Badge<WebContentClient>, URL::URL url) { m_url = move(url); } void set_url(Badge<WebContentClient>, URL::URL url) { m_url = move(url); }
URL::URL const& url() const { return m_url; } URL::URL const& url() const { return m_url; }
@ -304,6 +309,10 @@ protected:
size_t m_number_of_elements_playing_audio { 0 }; size_t m_number_of_elements_playing_audio { 0 };
Web::HTML::MuteState m_mute_state { Web::HTML::MuteState::Unmuted }; Web::HTML::MuteState m_mute_state { Web::HTML::MuteState::Unmuted };
// FIXME: Reconcile this ID with `page_id`. The latter is only unique per WebContent connection, whereas the view ID
// is required to be globally unique for Firefox DevTools.
u64 m_view_id { 0 };
}; };
} }