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#ifndef RESOURCE_H
#define RESOURCE_H
#include <QtCore>
namespace ResourcePolicy
{
/**
* This enumeration represents the resources which can be reserved.
* \see ResourcePolicy::ResourceSet::AddResource() for info on how to reserve
* resources.
*/
enum ResourceType {
AudioPlaybackType = 0, ///< For audio playback
VideoPlaybackType, ///< For video playback
AudioRecorderType, ///< For audio recording (using of the microphone)
VideoRecorderType, ///< For video recording (using the camera)
VibraType, ///< For Vibra
LedsType, ///< For LEDs
BacklightType, ///< For the backlight (of the display)
SystemButtonType, ///< For the system (power) button
LockButtonType, ///< For the lock button
ScaleButtonType, ///< The scale (zoom) button
SnapButtonType, ///< Use this if you are a camera application
LensCoverType,
NumberOfTypes
};
/**
* This class is the super class for all resources. It represents a generic
* \ref Resource. The type specific resource classes should be used.
*/
class Resource
{
public:
/**
* Whether or not this resource is optional, in that it doesn't need to
* be available for the set to be acquired.
* \return true when this resource is optional.
*/
bool isOptional() const;
/**
* Set the resource to be optional or mandatory.
* \param resourceIsOptional This optional parameter defaults to true.
* The default, true, results in the resource becoming optional. When it
* is set to false the resource becomes mandatory.
*/
void setOptional(bool resourceIsOptional = true);
/**
* Whether or not the resource to be shared. If it is shared then other
* programs are allowed to share this resource.
* \return true when this resource is shared.
*/
bool isGranted() const;
/**
* Use this method to check for the type of Resource
* \return The ResourceType associated to this resource
*/
virtual ResourceType type() const = 0;
virtual ~Resource();
protected:
Resource();
Resource(const Resource &other);
ResourceType resourceType;
bool optional;
quint32 identifier;
private:
void setGranted();
void unsetGranted();
bool granted;
};
}
#endif
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