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72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
//
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// ScriptCache.h
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// libraries/script-engine/src
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//
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// Created by Brad Hefta-Gaub on 2015-03-30
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// Copyright 2015 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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/// @addtogroup ScriptEngine
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/// @{
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#ifndef hifi_ScriptCache_h
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#define hifi_ScriptCache_h
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#include <mutex>
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#include <DependencyManager.h>
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using contentAvailableCallback = std::function<void(const QString& scriptOrURL, const QString& contents, bool isURL, bool contentAvailable, const QString& status)>;
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class ScriptUser {
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public:
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virtual void scriptContentsAvailable(const QUrl& url, const QString& scriptContents) = 0;
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virtual void errorInLoadingScript(const QUrl& url) = 0;
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};
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class ScriptRequest {
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public:
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static const int MAX_RETRIES { 5 };
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static const int START_DELAY_BETWEEN_RETRIES { 200 };
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std::vector<contentAvailableCallback> scriptUsers { };
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int numRetries { 0 };
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int maxRetries { MAX_RETRIES };
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};
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/// Dependency for for loading and caching scripts
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class ScriptCache : public QObject, public Dependency {
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Q_OBJECT
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SINGLETON_DEPENDENCY
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using Mutex = std::mutex;
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using Lock = std::unique_lock<Mutex>;
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public:
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static const QString STATUS_INLINE;
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static const QString STATUS_CACHED;
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static bool isSuccessStatus(const QString& status) {
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return status == "Success" || status == STATUS_INLINE || status == STATUS_CACHED;
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}
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void clearCache();
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Q_INVOKABLE void clearATPScriptsFromCache();
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void getScriptContents(const QString& scriptOrURL, contentAvailableCallback contentAvailable, bool forceDownload = false, int maxRetries = ScriptRequest::MAX_RETRIES);
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void deleteScript(const QUrl& unnormalizedURL);
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private:
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void scriptContentAvailable(int maxRetries); // new version
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ScriptCache(QObject* parent = NULL);
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Mutex _containerLock;
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QMap<QUrl, ScriptRequest> _activeScriptRequests;
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QHash<QUrl, QVariantMap> _scriptCache;
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QMultiMap<QUrl, ScriptUser*> _scriptUsers;
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};
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#endif // hifi_ScriptCache_h
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/// @}
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