LibWeb+LibWebView+WebContent: Support case-insensitive find-in-page

This allows searching for text with case-insensitivity. As this is
probably what most users expect, the default behavior is changes to
perform case-insensitive lookups. Chromes may add UI to change the
behavior as they see fit.

Meta/Lagom/Tools/CodeGenerators/IPCCompiler/main.cpp

@@ -70,7 +70,7 @@ static bool is_primitive_type(ByteString const& type)
 static bool is_simple_type(ByteString const& type)
 {
     // Small types that it makes sense just to pass by value.
-    return type.is_one_of("Gfx::Color", "Web::DevicePixels", "Gfx::IntPoint", "Gfx::FloatPoint", "Web::DevicePixelPoint", "Gfx::IntSize", "Gfx::FloatSize", "Web::DevicePixelSize", "Core::File::OpenMode", "Web::Cookie::Source", "Web::HTML::AllowMultipleFiles", "Web::HTML::AudioPlayState", "Web::HTML::HistoryHandlingBehavior");
+    return type.is_one_of("AK::CaseSensitivity", "Gfx::Color", "Web::DevicePixels", "Gfx::IntPoint", "Gfx::FloatPoint", "Web::DevicePixelPoint", "Gfx::IntSize", "Gfx::FloatSize", "Web::DevicePixelSize", "Core::File::OpenMode", "Web::Cookie::Source", "Web::HTML::AllowMultipleFiles", "Web::HTML::AudioPlayState", "Web::HTML::HistoryHandlingBehavior");
 }
 
 static bool is_primitive_or_simple_type(ByteString const& type)

Userland/Libraries/LibWeb/DOM/Document.cpp

@@ -5068,7 +5068,7 @@ void Document::set_needs_to_refresh_scroll_state(bool b)
         paintable->set_needs_to_refresh_scroll_state(b);
 }
 
-Vector<JS::Handle<DOM::Range>> Document::find_matching_text(String const& query)
+Vector<JS::Handle<DOM::Range>> Document::find_matching_text(String const& query, CaseSensitivity case_sensitivity)
 {
     if (!document_element() || !document_element()->layout_node())
         return {};
@@ -5078,7 +5078,9 @@ Vector<JS::Handle<DOM::Range>> Document::find_matching_text(String const& query)
         auto const& text = text_node.text_for_rendering();
         size_t offset = 0;
         while (true) {
-            auto match_index = text.find_byte_offset(query, offset);
+            auto match_index = case_sensitivity == CaseSensitivity::CaseInsensitive
+                ? text.find_byte_offset_ignoring_case(query, offset)
+                : text.find_byte_offset(query, offset);
             if (!match_index.has_value())
                 break;
 

Userland/Libraries/LibWeb/DOM/Document.h

@@ -667,7 +667,7 @@ public:
     // Does document represent an embedded svg img
     [[nodiscard]] bool is_decoded_svg() const;
 
-    Vector<JS::Handle<DOM::Range>> find_matching_text(String const&);
+    Vector<JS::Handle<DOM::Range>> find_matching_text(String const&, CaseSensitivity);
 
 protected:
     virtual void initialize(JS::Realm&) override;

Userland/Libraries/LibWeb/Page/Page.cpp

@@ -539,7 +539,7 @@ void Page::clear_selection()
     }
 }
 
-void Page::find_in_page(String const& query)
+void Page::find_in_page(String const& query, CaseSensitivity case_sensitivity)
 {
     m_find_in_page_match_index = 0;
 
@@ -555,7 +555,7 @@ void Page::find_in_page(String const& query)
         if (&document->page() != this)
             continue;
 
-        auto matches = document->find_matching_text(query);
+        auto matches = document->find_matching_text(query, case_sensitivity);
         all_matches.extend(move(matches));
     }
 

Userland/Libraries/LibWeb/Page/Page.h

@@ -180,7 +180,7 @@ public:
 
     void clear_selection();
 
-    void find_in_page(String const& query);
+    void find_in_page(String const& query, CaseSensitivity);
     void find_in_page_next_match();
     void find_in_page_previous_match();
 

Userland/Libraries/LibWebView/ViewImplementation.cpp

@@ -180,9 +180,9 @@ void ViewImplementation::paste(String const& text)
     client().async_paste(page_id(), text);
 }
 
-void ViewImplementation::find_in_page(String const& query)
+void ViewImplementation::find_in_page(String const& query, CaseSensitivity case_sensitivity)
 {
-    client().async_find_in_page(page_id(), query);
+    client().async_find_in_page(page_id(), query, case_sensitivity);
 }
 
 void ViewImplementation::find_in_page_next_match()

Userland/Libraries/LibWebView/ViewImplementation.h

@@ -66,7 +66,7 @@ public:
     ByteString selected_text();
     Optional<String> selected_text_with_whitespace_collapsed();
     void select_all();
-    void find_in_page(String const& query);
+    void find_in_page(String const& query, CaseSensitivity = CaseSensitivity::CaseInsensitive);
     void find_in_page_next_match();
     void find_in_page_previous_match();
     void paste(String const&);

Userland/Services/WebContent/ConnectionFromClient.cpp

@@ -827,13 +827,13 @@ void ConnectionFromClient::select_all(u64 page_id)
         page->page().focused_navigable().select_all();
 }
 
-void ConnectionFromClient::find_in_page(u64 page_id, String const& query)
+void ConnectionFromClient::find_in_page(u64 page_id, String const& query, CaseSensitivity case_sensitivity)
 {
     auto page = this->page(page_id);
     if (!page.has_value())
         return;
 
-    page->page().find_in_page(query);
+    page->page().find_in_page(query, case_sensitivity);
 }
 
 void ConnectionFromClient::find_in_page_next_match(u64 page_id)

Userland/Services/WebContent/ConnectionFromClient.h

@@ -130,7 +130,7 @@ private:
     virtual Messages::WebContentServer::GetSelectedTextResponse get_selected_text(u64 page_id) override;
     virtual void select_all(u64 page_id) override;
 
-    virtual void find_in_page(u64 page_id, String const& query) override;
+    virtual void find_in_page(u64 page_id, String const& query, CaseSensitivity) override;
     virtual void find_in_page_next_match(u64 page_id) override;
     virtual void find_in_page_previous_match(u64 page_id) override;
 

Userland/Services/WebContent/WebContentServer.ipc

@@ -69,7 +69,7 @@ endpoint WebContentServer
     select_all(u64 page_id) =|
     paste(u64 page_id, String text) =|
 
-    find_in_page(u64 page_id, String query) =|
+    find_in_page(u64 page_id, String query, AK::CaseSensitivity case_sensitivity) =|
     find_in_page_next_match(u64 page_id) =|
     find_in_page_previous_match(u64 page_id) =|