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LibWebView+WebContent: Add APIs to manipulate DOM nodes

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This adds APIs to allow Ispector clients to:
* Change a DOM text or comment node's text data.
* Add, replace, or remove a DOM element's attribute.
* Change a DOM element's tag.
This commit is contained in:
Timothy Flynn 2023-11-19 10:42:11 -05:00 • committed by Andreas Kling
parent 18a4455d43
commit 4cfeb41c4b
10 changed files with 138 additions and 0 deletions
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50
Userland/Services/WebContent/ConnectionFromClient.cpp
View file

@ -22,7 +22,11 @@
#include <LibWeb/ARIA/RoleType.h>
#include <LibWeb/Bindings/MainThreadVM.h>
#include <LibWeb/CSS/StyleComputer.h>
#include <LibWeb/DOM/Attr.h>
#include <LibWeb/DOM/CharacterData.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Element.h>
#include <LibWeb/DOM/ElementFactory.h>
#include <LibWeb/Dump.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/Scripting/ClassicScript.h>
@ -37,6 +41,7 @@
#include <LibWeb/Painting/ViewportPaintable.h>
#include <LibWeb/PermissionsPolicy/AutoplayAllowlist.h>
#include <LibWeb/Platform/EventLoopPlugin.h>
#include <LibWebView/Attribute.h>
#include <WebContent/ConnectionFromClient.h>
#include <WebContent/PageClient.h>
#include <WebContent/PageHost.h>
@ -649,6 +654,51 @@ Messages::WebContentServer::GetHoveredNodeIdResponse ConnectionFromClient::get_h
return (i32)0;
}
void ConnectionFromClient::set_dom_node_text(i32 node_id, String const& text)
{
auto* dom_node = Web::DOM::Node::from_unique_id(node_id);
if (!dom_node || (!dom_node->is_text() && !dom_node->is_comment()))
return;
auto& character_data = static_cast<Web::DOM::CharacterData&>(*dom_node);
character_data.set_data(text);
}
Messages::WebContentServer::SetDomNodeTagResponse ConnectionFromClient::set_dom_node_tag(i32 node_id, String const& name)
{
auto* dom_node = Web::DOM::Node::from_unique_id(node_id);
if (!dom_node || !dom_node->is_element() || !dom_node->parent())
return OptionalNone {};
auto& element = static_cast<Web::DOM::Element&>(*dom_node);
auto new_element = Web::DOM::create_element(element.document(), name, element.namespace_uri(), element.prefix(), element.is_value()).release_value_but_fixme_should_propagate_errors();
element.for_each_attribute([&](auto const& attribute) {
new_element->set_attribute_value(attribute.local_name(), attribute.value().to_deprecated_string(), attribute.prefix(), attribute.namespace_uri());
});
while (auto* child_node = element.first_child()) {
MUST(element.remove_child(*child_node));
MUST(new_element->append_child(*child_node));
}
element.parent()->replace_child(*new_element, element).release_value_but_fixme_should_propagate_errors();
return new_element->unique_id();
}
void ConnectionFromClient::replace_dom_node_attribute(i32 node_id, String const& name, Vector<WebView::Attribute> const& replacement_attributes)
{
auto* dom_node = Web::DOM::Node::from_unique_id(node_id);
if (!dom_node || !dom_node->is_element())
return;
auto& element = static_cast<Web::DOM::Element&>(*dom_node);
element.remove_attribute(name);
for (auto const& attribute : replacement_attributes)
element.set_attribute(attribute.name, attribute.value).release_value_but_fixme_should_propagate_errors();
}
void ConnectionFromClient::initialize_js_console(Badge<PageClient>, Web::DOM::Document& document)
{
auto& realm = document.realm();

6
Userland/Services/WebContent/ConnectionFromClient.h
View file

@ -17,6 +17,7 @@
#include <LibWeb/Forward.h>
#include <LibWeb/Loader/FileRequest.h>
#include <LibWeb/Platform/Timer.h>
#include <LibWebView/Forward.h>
#include <WebContent/Forward.h>
#include <WebContent/WebContentClientEndpoint.h>
#include <WebContent/WebContentConsoleClient.h>
@ -74,6 +75,11 @@ private:
virtual Messages::WebContentServer::InspectDomNodeResponse inspect_dom_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement> const& pseudo_element) override;
virtual void inspect_accessibility_tree() override;
virtual Messages::WebContentServer::GetHoveredNodeIdResponse get_hovered_node_id() override;
virtual void set_dom_node_text(i32 node_id, String const& text) override;
virtual Messages::WebContentServer::SetDomNodeTagResponse set_dom_node_tag(i32 node_id, String const& name) override;
virtual void replace_dom_node_attribute(i32 node_id, String const& name, Vector<WebView::Attribute> const& replacement_attributes) override;
virtual Messages::WebContentServer::DumpLayoutTreeResponse dump_layout_tree() override;
virtual Messages::WebContentServer::DumpPaintTreeResponse dump_paint_tree() override;
virtual Messages::WebContentServer::DumpTextResponse dump_text() override;

5
Userland/Services/WebContent/WebContentServer.ipc
View file

@ -6,6 +6,7 @@
#include <LibWeb/CSS/PreferredColorScheme.h>
#include <LibWeb/CSS/Selector.h>
#include <LibWeb/WebDriver/ExecuteScript.h>
#include <LibWebView/Attribute.h>
endpoint WebContentServer
{
@ -45,6 +46,10 @@ endpoint WebContentServer
js_console_input(DeprecatedString js_source) =|
js_console_request_messages(i32 start_index) =|
set_dom_node_text(i32 node_id, String text) =|
set_dom_node_tag(i32 node_id, String name) => (Optional<i32> node_id)
replace_dom_node_attribute(i32 node_id, String name, Vector<WebView::Attribute> replacement_attributes) =|
take_document_screenshot() => (Gfx::ShareableBitmap data)
run_javascript(DeprecatedString js_source) =|