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7af337764e
This patch introduces a caching mechanism in ResourceLoader. It's keyed on a LoadRequest object which is what you provide to load_resource() when you want to load a resource. We currently never prune the cache, so resources will stay in there forever. This is obviously not gonna stay that way, but we're just getting started here. :^) This should drastically reduce the number of requests when loading some sites (like Twitter) that reuse the same images over and over.
65 lines
2 KiB
C++
65 lines
2 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/URL.h>
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#include <LibWeb/Forward.h>
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namespace Web {
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class LoadRequest {
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public:
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LoadRequest()
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{
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}
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bool is_valid() const { return m_url.is_valid(); }
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const URL& url() const { return m_url; }
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void set_url(const URL& url) { m_url = url; }
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unsigned hash() const { return m_url.to_string().hash(); }
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bool operator==(const LoadRequest& other) const
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{
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return m_url == other.m_url;
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}
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private:
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URL m_url;
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};
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}
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namespace AK {
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template<>
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struct Traits<Web::LoadRequest> : public GenericTraits<Web::LoadRequest> {
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static unsigned hash(const Web::LoadRequest& request) { return request.hash(); }
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};
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}
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