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https://github.com/LadybirdBrowser/ladybird.git
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4b5541e1b7
This is the same behavior as RequestServer, with the added benefit that we know how to gracefully reconnect ImageDecoder to all WebContent processes on restart.
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/*
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* Copyright (c) 2022, Dex♪ <dexes.ttp@gmail.com>
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* Copyright (c) 2022, 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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#include "ImageCodecPlugin.h"
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#include "Utilities.h"
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/ImageFormats/ImageDecoder.h>
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#include <LibImageDecoderClient/Client.h>
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namespace Ladybird {
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ImageCodecPlugin::ImageCodecPlugin(NonnullRefPtr<ImageDecoderClient::Client> client)
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: m_client(move(client))
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{
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m_client->on_death = [this] {
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m_client = nullptr;
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};
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}
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void ImageCodecPlugin::set_client(NonnullRefPtr<ImageDecoderClient::Client> client)
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{
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m_client = move(client);
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m_client->on_death = [this] {
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m_client = nullptr;
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};
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}
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ImageCodecPlugin::~ImageCodecPlugin() = default;
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NonnullRefPtr<Core::Promise<Web::Platform::DecodedImage>> ImageCodecPlugin::decode_image(ReadonlyBytes bytes, Function<ErrorOr<void>(Web::Platform::DecodedImage&)> on_resolved, Function<void(Error&)> on_rejected)
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{
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auto promise = Core::Promise<Web::Platform::DecodedImage>::construct();
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if (on_resolved)
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promise->on_resolution = move(on_resolved);
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if (on_rejected)
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promise->on_rejection = move(on_rejected);
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if (!m_client) {
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promise->reject(Error::from_string_literal("ImageDecoderClient is disconnected"));
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return promise;
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}
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auto image_decoder_promise = m_client->decode_image(
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bytes,
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[promise](ImageDecoderClient::DecodedImage& result) -> ErrorOr<void> {
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// FIXME: Remove this codec plugin and just use the ImageDecoderClient directly to avoid these copies
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Web::Platform::DecodedImage decoded_image;
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decoded_image.is_animated = result.is_animated;
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decoded_image.loop_count = result.loop_count;
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for (auto const& frame : result.frames) {
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decoded_image.frames.empend(move(frame.bitmap), frame.duration);
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}
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promise->resolve(move(decoded_image));
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return {};
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},
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[promise](auto& error) {
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promise->reject(Error::copy(error));
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});
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return promise;
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}
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}
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