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69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
#include "WebResourceHandler.h"
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#include "net/CacheDownload.h"
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#include "net/HttpMetaCache.h"
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#include "net/NetJob.h"
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#include "FileSystem.h"
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#include "Env.h"
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//FIXME: wrong. needs to be done elsewhere.
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QMap<QString, NetJob *> WebResourceHandler::m_activeDownloads;
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WebResourceHandler::WebResourceHandler(const QString &url)
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: QObject(), m_url(url)
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{
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MetaEntryPtr entry = ENV.metacache()->resolveEntry("icons", url);
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if (!entry->isStale())
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{
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setResultFromFile(entry->getFullPath());
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}
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else if (m_activeDownloads.contains(url))
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{
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NetJob *job = m_activeDownloads.value(url);
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connect(job, &NetJob::succeeded, this, &WebResourceHandler::succeeded);
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connect(job, &NetJob::failed, this, [job, this]() {setFailure(job->failReason());});
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connect(job, &NetJob::progress, this, &WebResourceHandler::progress);
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}
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else
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{
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NetJob *job = new NetJob("Icon download");
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job->addNetAction(CacheDownload::make(QUrl(url), entry));
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connect(job, &NetJob::succeeded, this, &WebResourceHandler::succeeded);
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connect(job, &NetJob::failed, this, [job, this]() {setFailure(job->failReason());});
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connect(job, &NetJob::progress, this, &WebResourceHandler::progress);
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connect(job, &NetJob::finished, job, [job](){m_activeDownloads.remove(m_activeDownloads.key(job));job->deleteLater();});
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m_activeDownloads.insert(url, job);
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job->start();
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}
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}
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void WebResourceHandler::succeeded()
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{
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MetaEntryPtr entry = ENV.metacache()->resolveEntry("icons", m_url);
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setResultFromFile(entry->getFullPath());
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m_activeDownloads.remove(m_activeDownloads.key(qobject_cast<NetJob *>(sender())));
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}
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void WebResourceHandler::progress(qint64 current, qint64 total)
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{
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if (total == 0)
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{
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setProgress(101);
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}
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else
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{
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setProgress(current / total);
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}
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}
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void WebResourceHandler::setResultFromFile(const QString &file)
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{
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try
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{
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setResult(FS::read(file));
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}
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catch (Exception &e)
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{
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setFailure(e.cause());
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}
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}
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