94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
#include "kittenloader.h"
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#include "core/network.h"
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#include <QNetworkReply>
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#include <QNetworkRequest>
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#include <QXmlStreamReader>
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const char* KittenLoader::kFlickrKittenUrl =
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"http://api.flickr.com/services/rest/"
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"?method=flickr.photos.search"
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"&api_key=b60e59d549d314c98ddb1dc06008a2c4"
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"&tags=kitten"
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"&sort=random"
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"&safe_search=1"
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"&content_type=1";
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const char* KittenLoader::kFlickrPhotoUrl =
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"http://farm%1.static.flickr.com/%2/%3_%4_m.jpg";
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KittenLoader::KittenLoader(QObject* parent)
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: AlbumCoverLoader(parent) {
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}
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quint64 KittenLoader::LoadKitten(const AlbumCoverLoaderOptions& options) {
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if (!kitten_urls_.isEmpty()) {
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QUrl url = kitten_urls_.dequeue();
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return AlbumCoverLoader::LoadImageAsync(
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options,
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QString::null,
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url.toString(),
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QString::null,
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QImage());
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}
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Task task;
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task.options = options;
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{
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QMutexLocker l(&mutex_);
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task.id = next_id_++;
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pending_kittens_.enqueue(task);
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}
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metaObject()->invokeMethod(this, "FetchMoreKittens", Qt::QueuedConnection);
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return task.id;
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}
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void KittenLoader::FetchMoreKittens() {
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QNetworkRequest req = QNetworkRequest(QUrl(kFlickrKittenUrl));
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QNetworkReply* reply = network_->get(req);
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connect(reply, SIGNAL(finished()), SLOT(KittensRetrieved()));
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}
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void KittenLoader::KittensRetrieved() {
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QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
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Q_ASSERT(reply);
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reply->deleteLater();
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QXmlStreamReader reader(reply);
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while (!reader.atEnd()) {
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reader.readNext();
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if (reader.tokenType() == QXmlStreamReader::StartElement) {
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if (reader.name() == "photo") {
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QXmlStreamAttributes attrs = reader.attributes();
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QStringRef farm_id = attrs.value("farm");
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QStringRef photo_id = attrs.value("id");
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QStringRef secret = attrs.value("secret");
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QStringRef server = attrs.value("server");
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QString photo_url = QString(kFlickrPhotoUrl)
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.arg(farm_id.toString())
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.arg(server.toString())
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.arg(photo_id.toString())
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.arg(secret.toString());
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kitten_urls_ << QUrl(photo_url);
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}
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}
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}
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QMutexLocker l(&mutex_);
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while (!kitten_urls_.isEmpty() && !pending_kittens_.isEmpty()) {
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Task task = pending_kittens_.dequeue();
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QUrl kitten_url = kitten_urls_.dequeue();
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task.art_manual = kitten_url.toString();
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task.state = State_TryingManual;
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tasks_.enqueue(task);
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}
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if (kitten_urls_.isEmpty()) {
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FetchMoreKittens();
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}
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metaObject()->invokeMethod(this, "ProcessTasks", Qt::QueuedConnection);
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}
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