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			62 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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 *
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 * SPDX-License-Identifier: BSD-2-Clause
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 */
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#pragma once
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#include <AK/Function.h>
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#include <LibCore/Timer.h>
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#include <LibWeb/Loader/ImageResource.h>
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namespace Web {
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class ImageLoader : public ImageResourceClient {
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public:
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    ImageLoader(DOM::Element& owner_element);
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    void load(const URL&);
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    const Gfx::Bitmap* bitmap(size_t index) const;
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    size_t current_frame_index() const { return m_current_frame_index; }
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    bool has_image() const;
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    bool has_loaded_or_failed() const { return m_loading_state != LoadingState::Loading; }
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    void set_visible_in_viewport(bool) const;
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    unsigned width() const;
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    unsigned height() const;
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    Function<void()> on_load;
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    Function<void()> on_fail;
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    Function<void()> on_animate;
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private:
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    // ^ImageResourceClient
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    virtual void resource_did_load() override;
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    virtual void resource_did_fail() override;
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    virtual bool is_visible_in_viewport() const override { return m_visible_in_viewport; }
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    void animate();
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    enum class LoadingState {
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        None,
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        Loading,
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        Loaded,
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        Failed,
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    };
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    DOM::Element& m_owner_element;
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    mutable bool m_visible_in_viewport { false };
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    size_t m_current_frame_index { 0 };
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    size_t m_loops_completed { 0 };
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    LoadingState m_loading_state { LoadingState::Loading };
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    NonnullRefPtr<Core::Timer> m_timer;
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};
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}
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