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39 
40 #ifndef CAMERARESOURCEPOLICY_H
41 #define CAMERARESOURCEPOLICY_H
42 
43 #include <QtCore/qobject.h>
44 
45 namespace ResourcePolicy {
46 class ResourceSet;
47 };
48 
49 QT_BEGIN_NAMESPACE
50 
51 class CamerabinResourcePolicy : public QObject
52 {
53     Q_OBJECT
54 public:
55     enum ResourceSet {
56         NoResources,
57         LoadedResources,
58         ImageCaptureResources,
59         VideoCaptureResources
60     };
61 
62     CamerabinResourcePolicy(QObject *parent);
63     ~CamerabinResourcePolicy();
64 
65     ResourceSet resourceSet() const;
66     void setResourceSet(ResourceSet set);
67 
68     bool isResourcesGranted() const;
69 
70     bool canCapture() const;
71 
72 Q_SIGNALS:
73     void resourcesDenied();
74     void resourcesGranted();
75     void resourcesLost();
76     void canCaptureChanged();
77 
78 private Q_SLOTS:
79     void handleResourcesLost();
80     void handleResourcesGranted();
81     void handleResourcesReleased();
82     void resourcesAvailable();
83     void updateCanCapture();
84 
85 
86 private:
87     ResourceSet m_resourceSet;
88     ResourcePolicy::ResourceSet *m_resource;
89     bool m_releasingResources;
90     bool m_canCapture;
91 };
92 
93 QT_END_NAMESPACE
94 
95 #endif
96