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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 <LibCore/Timer.h>
#include <LibWeb/Loader/ImageResource.h>
namespace Web {
class ImageLoader : public ImageResourceClient {
public:
ImageLoader(DOM::Element& owner_element);
void load(const URL&);
const Gfx::Bitmap* bitmap(size_t index) const;
size_t current_frame_index() const { return m_current_frame_index; }
bool has_image() const;
bool has_loaded_or_failed() const { return m_loading_state != LoadingState::Loading; }
void set_visible_in_viewport(bool) const;
unsigned width() const;
unsigned height() const;
Function<void()> on_load;
Function<void()> on_fail;
Function<void()> on_animate;
private:
// ^ImageResourceClient
virtual void resource_did_load() override;
virtual void resource_did_fail() override;
virtual bool is_visible_in_viewport() const override { return m_visible_in_viewport; }
void animate();
enum class LoadingState {
None,
Loading,
Loaded,
Failed,
};
DOM::Element& m_owner_element;
mutable bool m_visible_in_viewport { false };
size_t m_current_frame_index { 0 };
size_t m_loops_completed { 0 };
LoadingState m_loading_state { LoadingState::Loading };
NonnullRefPtr<Core::Timer> m_timer;
};
}
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