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LibWeb: Add actual document loading for the CSS (at)import rule

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Sviatoslav Peleshko 2021-02-21 18:44:17 +02:00 • committed by Andreas Kling
parent 54617e1a91
commit 183ebaee91
11 changed files with 229 additions and 56 deletions
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58
Userland/Libraries/LibWeb/Loader/CSSLoader.h Normal file
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/*
* Copyright (c) 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
#include <AK/Function.h>
#include <LibWeb/CSS/StyleSheet.h>
#include <LibWeb/Loader/Resource.h>
namespace Web {
class CSSLoader : public ResourceClient {
public:
CSSLoader(DOM::Document& document);
void load_from_text(const String&);
void load_from_url(const URL&);
void load_next_import_if_needed();
RefPtr<CSS::StyleSheet> style_sheet() const { return m_style_sheet; };
Function<void()> on_load;
Function<void()> on_fail;
private:
// ^ResourceClient
virtual void resource_did_load() override;
virtual void resource_did_fail() override;
RefPtr<CSS::StyleSheet> m_style_sheet;
const DOM::Document* m_document;
};
}