131 lines
3.0 KiB
C++
131 lines
3.0 KiB
C++
#include "UpdateDialog.h"
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#include "ui_UpdateDialog.h"
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#include "Platform.h"
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#include <QDebug>
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#include "MultiMC.h"
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#include <settings/SettingsObject.h>
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#include <hoedown/html.h>
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#include <hoedown/document.h>
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UpdateDialog::UpdateDialog(bool hasUpdate, QWidget *parent) : QDialog(parent), ui(new Ui::UpdateDialog)
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{
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MultiMCPlatform::fixWM_CLASS(this);
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ui->setupUi(this);
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auto channel = MMC->settings()->get("UpdateChannel").toString();
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if(hasUpdate)
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{
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ui->label->setText(tr("A new %1 update is available!").arg(channel));
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}
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else
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{
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ui->label->setText(tr("No %1 updates found. You are running the latest version.").arg(channel));
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ui->btnUpdateNow->setDisabled(true);
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}
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loadChangelog();
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}
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UpdateDialog::~UpdateDialog()
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{
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}
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void UpdateDialog::loadChangelog()
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{
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auto channel = MMC->settings()->get("UpdateChannel").toString();
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dljob.reset(new NetJob("Changelog"));
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auto url = QString("https://raw.githubusercontent.com/MultiMC/MultiMC5/%1/changelog.md").arg(channel);
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changelogDownload = ByteArrayDownload::make(QUrl(url));
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dljob->addNetAction(changelogDownload);
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connect(dljob.get(), &NetJob::succeeded, this, &UpdateDialog::changelogLoaded);
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connect(dljob.get(), &NetJob::failed, this, &UpdateDialog::changelogFailed);
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dljob->start();
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}
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/**
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* hoedown wrapper, because dealing with resource lifetime in C is stupid
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*/
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class HoeDown
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{
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public:
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class buffer
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{
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public:
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buffer(size_t unit = 4096)
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{
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buf = hoedown_buffer_new(unit);
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}
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~buffer()
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{
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hoedown_buffer_free(buf);
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}
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const char * cstr()
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{
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return hoedown_buffer_cstr(buf);
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}
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void put(QByteArray input)
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{
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hoedown_buffer_put(buf, (uint8_t *) input.data(), input.size());
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}
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const uint8_t * data() const
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{
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return buf->data;
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}
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size_t size() const
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{
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return buf->size;
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}
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hoedown_buffer * buf;
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} ib, ob;
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HoeDown()
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{
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renderer = hoedown_html_renderer_new((hoedown_html_flags) 0,0);
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document = hoedown_document_new(renderer, (hoedown_extensions) 0, 8);
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}
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~HoeDown()
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{
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hoedown_document_free(document);
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hoedown_html_renderer_free(renderer);
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}
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QString process(QByteArray input)
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{
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ib.put(input);
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hoedown_document_render(document, ob.buf, ib.data(), ib.size());
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return ob.cstr();
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}
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private:
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hoedown_document * document;
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hoedown_renderer * renderer;
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};
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QString reprocessMarkdown(QByteArray markdown)
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{
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HoeDown hoedown;
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QString output = hoedown.process(markdown);
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// HACK: easier than customizing hoedown
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output.replace(QRegExp("GH-([0-9]+)"), "<a href=\"https://github.com/MultiMC/MultiMC5/issues/\\1\">GH-\\1</a>");
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qDebug() << output;
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return output;
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}
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void UpdateDialog::changelogLoaded()
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{
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auto html = reprocessMarkdown(changelogDownload->m_data);
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ui->changelogBrowser->setHtml(html);
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}
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void UpdateDialog::changelogFailed(QString reason)
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{
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ui->changelogBrowser->setHtml(tr("<p align=\"center\" <span style=\"font-size:22pt;\">Failed to fetch changelog... Error: %1</span></p>").arg(reason));
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}
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void UpdateDialog::on_btnUpdateLater_clicked()
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{
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reject();
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}
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void UpdateDialog::on_btnUpdateNow_clicked()
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{
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done(UPDATE_NOW);
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}
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