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Diffstat (limited to 'Userland/Libraries/LibWeb/Loader/ImageLoader.h')
-rw-r--r-- | Userland/Libraries/LibWeb/Loader/ImageLoader.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/Userland/Libraries/LibWeb/Loader/ImageLoader.h b/Userland/Libraries/LibWeb/Loader/ImageLoader.h new file mode 100644 index 0000000000..f07b6e3055 --- /dev/null +++ b/Userland/Libraries/LibWeb/Loader/ImageLoader.h @@ -0,0 +1,79 @@ +/* + * 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(); + + void load(const URL&); + + const Gfx::Bitmap* bitmap() const; + + 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, + }; + + 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; +}; + +} |