/* * 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 #include <AK/ByteBuffer.h> #include <LibCore/Forward.h> #include <LibGfx/Forward.h> #include <LibWeb/DOM/HTMLElement.h> #include <LibWeb/Loader/ImageResource.h> namespace Web { class LayoutDocument; class HTMLImageElement final : public HTMLElement , public ImageResourceClient { public: using WrapperType = Bindings::HTMLImageElementWrapper; HTMLImageElement(Document&, const FlyString& tag_name); virtual ~HTMLImageElement() override; virtual void parse_attribute(const FlyString& name, const String& value) override; String alt() const { return attribute(HTML::AttributeNames::alt); } String src() const { return attribute(HTML::AttributeNames::src); } int preferred_width() const; int preferred_height() const; const Gfx::Bitmap* bitmap() const; const Gfx::ImageDecoder* image_decoder() const { return m_image_decoder; } void set_visible_in_viewport(Badge<LayoutDocument>, bool); private: // ^ImageResource virtual void resource_did_load() override; virtual void resource_did_fail() override; virtual void resource_did_replace_decoder() override; virtual bool is_visible_in_viewport() const override { return m_visible_in_viewport; } void load_image(const String& src); void animate(); virtual RefPtr<LayoutNode> create_layout_node(const StyleProperties* parent_style) const override; RefPtr<Gfx::ImageDecoder> m_image_decoder; size_t m_current_frame_index { 0 }; size_t m_loops_completed { 0 }; NonnullRefPtr<Core::Timer> m_timer; bool m_visible_in_viewport { false }; }; template<> inline bool is<HTMLImageElement>(const Node& node) { return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("img"); } }