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ladybird/Userland/Libraries/LibWeb/HTML/HTMLScriptElement.h

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LibWeb: Parse <script> elements and run any JavaScript found inside This patch begins integrating LibJS into LibWeb. Document holds the JS::Interpreter for now, and it is created on demand when you first call Document::interpreter(). We also add a simple "alert()" function to the global object.
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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
LibWeb: A whole bunch of work towards spec-compliant <script> elements This is still very unfinished, but there's at least a skeleton of code.
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#include <AK/Function.h>
LibWeb: Move HTML object model stuff into LibWeb/HTML/ Take a hint from SVG and more all the HTML classes into HTML instead of mixing them with the DOM classes.
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#include <LibWeb/HTML/HTMLElement.h>
LibWeb: Parse <script> elements and run any JavaScript found inside This patch begins integrating LibJS into LibWeb. Document holds the JS::Interpreter for now, and it is created on demand when you first call Document::interpreter(). We also add a simple "alert()" function to the global object.
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LibWeb: Move HTML classes into the Web::HTML namespace
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namespace Web::HTML {
LibWeb: Parse <script> elements and run any JavaScript found inside This patch begins integrating LibJS into LibWeb. Document holds the JS::Interpreter for now, and it is created on demand when you first call Document::interpreter(). We also add a simple "alert()" function to the global object.
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LibWeb: Make all existing HTML elements "final"
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class HTMLScriptElement final : public HTMLElement {
LibWeb: Parse <script> elements and run any JavaScript found inside This patch begins integrating LibJS into LibWeb. Document holds the JS::Interpreter for now, and it is created on demand when you first call Document::interpreter(). We also add a simple "alert()" function to the global object.
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public:
LibWeb: Add a whole bunch of HTML DOM bindings Note that these aren't full implementations of the bindings. This mostly implements the low hanging fruit (namely, basic reflections) There are some attributes that should be USVString instead of DOMString. However, USVString is a slightly different definition of DOMString, so it should suffice for now.
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using WrapperType = Bindings::HTMLScriptElementWrapper;
LibWeb: Use move semantics for QualifiedName more often
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HTMLScriptElement(DOM::Document&, QualifiedName);
LibWeb: Parse <script> elements and run any JavaScript found inside This patch begins integrating LibJS into LibWeb. Document holds the JS::Interpreter for now, and it is created on demand when you first call Document::interpreter(). We also add a simple "alert()" function to the global object.
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virtual ~HTMLScriptElement() override;
LibWeb: A whole bunch of work towards spec-compliant <script> elements This is still very unfinished, but there's at least a skeleton of code.
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bool is_non_blocking() const { return m_non_blocking; }
LibWeb: Bring up basic external script execution in the new parser This only works in some narrow cases, but should be enough for our own welcome.html at least. :^)
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bool is_ready_to_be_parser_executed() const { return m_ready_to_be_parser_executed; }
LibWeb: Just ignore <script> elements that failed to load the script We're never gonna be able to run them if we can't load them so just let it go.
2020-06-15 18:37:48 +02:00
bool failed_to_load() const { return m_failed_to_load; }
LibWeb: A whole bunch of work towards spec-compliant <script> elements This is still very unfinished, but there's at least a skeleton of code.
2020-05-24 22:00:46 +02:00
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
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void set_parser_document(Badge<HTMLDocumentParser>, DOM::Document&);
LibWeb: A whole bunch of work towards spec-compliant <script> elements This is still very unfinished, but there's at least a skeleton of code.
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void set_non_blocking(Badge<HTMLDocumentParser>, bool);
LibWeb: Handle EOF tokens during "text" insertion
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void set_already_started(Badge<HTMLDocumentParser>, bool b) { m_already_started = b; }
LibWeb: Make sure <script> elements get prepared when connected There's a bit more nuance to how this should really work, but let's at least make sure we execute <script> elements if you insert them into the document.
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void prepare_script(Badge<HTMLDocumentParser>) { prepare_script(); }
LibWeb: Bring up basic external script execution in the new parser This only works in some narrow cases, but should be enough for our own welcome.html at least. :^)
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void execute_script();
LibWeb: A whole bunch of work towards spec-compliant <script> elements This is still very unfinished, but there's at least a skeleton of code.
2020-05-24 22:00:46 +02:00
LibWeb: Only prepare scripts on insertion if they're not parser inserted Also updates the "inserted_into" function as per the previous commit. Changes the FIXME, as according to the spec there is no notification system to be notified of things such as the node becoming connected. Instead, "becomes connected" means when the insertion steps are run, the element is now connected when it previously wasn't. https://html.spec.whatwg.org/multipage/infrastructure.html#becomes-connected This is done in this PR because the insertion steps are run when the start tag is inserted. This made it try to prepare the script too early for inline scripts. The order of operations in the HTML document parser ensures that the parser document is set before the insertion steps are run.
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bool is_parser_inserted() const { return !!m_parser_document; }
virtual void inserted() override;
LibWeb: Make sure <script> elements get prepared when connected There's a bit more nuance to how this should really work, but let's at least make sure we execute <script> elements if you insert them into the document.
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LibWeb: A whole bunch of work towards spec-compliant <script> elements This is still very unfinished, but there's at least a skeleton of code.
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private:
LibWeb: Make sure <script> elements get prepared when connected There's a bit more nuance to how this should really work, but let's at least make sure we execute <script> elements if you insert them into the document.
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void prepare_script();
LibWeb: A whole bunch of work towards spec-compliant <script> elements This is still very unfinished, but there's at least a skeleton of code.
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void script_became_ready();
void when_the_script_is_ready(Function<void()>);
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
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WeakPtr<DOM::Document> m_parser_document;
WeakPtr<DOM::Document> m_preparation_time_document;
LibWeb: A whole bunch of work towards spec-compliant <script> elements This is still very unfinished, but there's at least a skeleton of code.
2020-05-24 22:00:46 +02:00
bool m_non_blocking { false };
bool m_already_started { false };
bool m_from_an_external_file { false };
bool m_script_ready { false };
bool m_ready_to_be_parser_executed { false };
LibWeb: Just ignore <script> elements that failed to load the script We're never gonna be able to run them if we can't load them so just let it go.
2020-06-15 18:37:48 +02:00
bool m_failed_to_load { false };
LibWeb: A whole bunch of work towards spec-compliant <script> elements This is still very unfinished, but there's at least a skeleton of code.
2020-05-24 22:00:46 +02:00
LibWeb: Flesh out prepare_script and execute_script This fills in a bunch of the FIXMEs that was in prepare_script. execute_script is almost finished, it's just missing the module side. As an aside, let's not assert when inserting a script element with innerHTML.
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enum class ScriptType {
Classic,
Module
};
ScriptType m_script_type { ScriptType::Classic };
LibWeb: A whole bunch of work towards spec-compliant <script> elements This is still very unfinished, but there's at least a skeleton of code.
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Function<void()> m_script_ready_callback;
String m_script_source;
LibWeb: Provide file name to JavaScript interpreter
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String m_script_filename;
LibWeb: Parse <script> elements and run any JavaScript found inside This patch begins integrating LibJS into LibWeb. Document holds the JS::Interpreter for now, and it is created on demand when you first call Document::interpreter(). We also add a simple "alert()" function to the global object.
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};
LibWeb: A whole bunch of work towards spec-compliant <script> elements This is still very unfinished, but there's at least a skeleton of code.
2020-05-24 22:00:46 +02:00
}
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