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#ifndef MIXXX_SOUNDSOURCEPROVIDERREGISTRY_H
#define MIXXX_SOUNDSOURCEPROVIDERREGISTRY_H
#include <QMap>
#include "sources/soundsourceprovider.h"
namespace mixxx {
class SoundSourceProviderRegistration {
public:
const SoundSourceProviderPointer& getProvider() const {
return m_pProvider;
}
SoundSourceProviderPriority getProviderPriority() const {
return m_providerPriority;
}
private:
friend class SoundSourceProviderRegistry;
SoundSourceProviderRegistration(
SoundSourceProviderPointer pProvider,
SoundSourceProviderPriority providerPriority)
: m_pProvider(pProvider),
m_providerPriority(providerPriority) {
}
SoundSourceProviderPointer m_pProvider;
SoundSourceProviderPriority m_providerPriority;
};
// Registry for SoundSourceProviders
class SoundSourceProviderRegistry {
public:
// Registers a provider for all supported file extensions
// with their cooperative priority hint.
void registerProvider(
const SoundSourceProviderPointer& pProvider);
// Registers a provider for a single file extension with an
// explicitly specified priority. The provider must support
// the given file extension.
void registerProviderForFileExtension(
const QString& fileExtension,
const SoundSourceProviderPointer& pProvider,
SoundSourceProviderPriority providerPriority);
// Deregisters a provider for all supported file extensions.
void deregisterProvider(
const SoundSourceProviderPointer& pProvider);
// Deregisters a provider for a single file extension.
void deregisterProviderForFileExtension(
const QString& fileExtension,
const SoundSourceProviderPointer& pProvider);
QStringList getRegisteredFileExtensions() const {
return m_registry.keys();
}
// Returns all registrations for the given file extension.
// If no providers have been registered for this file extension
// an empty list will be returned.
QList<SoundSourceProviderRegistration> getRegistrationsForFileExtension(
const QString& fileExtension) const;
private:
void addRegistrationForFileExtension(
const QString& fileExtension,
SoundSourceProviderRegistration registration);
static void insertRegistration(
QList<SoundSourceProviderRegistration>* pRegistrations,
SoundSourceProviderRegistration registration);
typedef QMap<QString, QList<SoundSourceProviderRegistration>> FileExtension2RegistrationList;
FileExtension2RegistrationList m_registry;
};
} // namespace mixxx
#endif // MIXXX_SOUNDSOURCEPROVIDERREGISTRY_H
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