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comparison Framework/Layers/LayerSourceBase.h @ 66:298f375dcb68 wasm

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LayerWidget
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 17 May 2017 22:03:09 +0200
parents 885932a893de
children f5f54ed8d307
comparison
equal deleted inserted replaced
65:885932a893de 66:298f375dcb68
27 { 27 {
28 class LayerSourceBase : public ILayerSource 28 class LayerSourceBase : public ILayerSource
29 { 29 {
30 private: 30 private:
31 IObserver* observer_; 31 IObserver* observer_;
32 bool started_;
32 33
33 protected: 34 protected:
35 bool IsStarted()
36 {
37 return started_;
38 }
39
40 void NotifyGeometryReady();
41
34 void NotifySourceChange(); 42 void NotifySourceChange();
35 43
36 void NotifySliceChange(const SliceGeometry& slice); 44 void NotifySliceChange(const SliceGeometry& slice);
37 45
38 // Takes ownership of "layer" (that cannot be "NULL") 46 // Takes ownership of "layer" (that cannot be "NULL")
39 void NotifyLayerReady(ILayerRenderer* layer, 47 void NotifyLayerReady(ILayerRenderer* layer,
40 ILayerSource& source,
41 const SliceGeometry& viewportSlice); 48 const SliceGeometry& viewportSlice);
42 49
43 void NotifyLayerError(ILayerSource& source, 50 void NotifyLayerError(const SliceGeometry& viewportSlice);
44 const SliceGeometry& viewportSlice); 51
52 virtual void StartInternal() = 0;
45 53
46 public: 54 public:
47 LayerSourceBase() : observer_(NULL) 55 LayerSourceBase() :
56 observer_(NULL),
57 started_(false)
48 { 58 {
49 } 59 }
50 60
51 virtual void SetObserver(IObserver& observer); 61 virtual void SetObserver(IObserver& observer);
62
63 virtual void Start();
52 }; 64 };
53 } 65 }