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annotate Framework/Layers/LayerSourceBase.cpp @ 90:64e60018943f wasm

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fix and observer refactoring
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 29 May 2017 11:04:18 +0200
parents f244018a4e4b
children 81f73efd81a1
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017 Osimis, Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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22 #include "LayerSourceBase.h"
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24 #include "../../Resources/Orthanc/Core/OrthancException.h"
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26 namespace OrthancStone
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27 {
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28 namespace
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29 {
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30 class LayerReadyFunctor : public boost::noncopyable
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31 {
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32 private:
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33 std::auto_ptr<ILayerRenderer> layer_;
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34 const Slice& slice_;
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36 public:
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37 LayerReadyFunctor(ILayerRenderer* layer,
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38 const Slice& slice) :
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39 layer_(layer),
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40 slice_(slice)
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41 {
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42 }
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43
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44 void operator() (ILayerSource::IObserver& observer,
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45 const ILayerSource& source)
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46 {
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47 observer.NotifyLayerReady(layer_, source, slice_);
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48 }
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49 };
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50 }
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51
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52 void LayerSourceBase::NotifyGeometryReady()
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53 {
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54 observers_.Apply(*this, &IObserver::NotifyGeometryReady);
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55 }
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57 void LayerSourceBase::NotifyGeometryError()
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58 {
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59 observers_.Apply(*this, &IObserver::NotifyGeometryError);
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60 }
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61
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62 void LayerSourceBase::NotifyContentChange()
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63 {
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64 observers_.Apply(*this, &IObserver::NotifyContentChange);
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65 }
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67 void LayerSourceBase::NotifySliceChange(const Slice& slice)
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68 {
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69 observers_.Apply(*this, &IObserver::NotifySliceChange, slice);
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70 }
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72 void LayerSourceBase::NotifyLayerReady(ILayerRenderer* layer,
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73 const Slice& slice)
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74 {
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75 if (layer == NULL)
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76 {
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77 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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78 }
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80 LayerReadyFunctor functor(layer, slice);
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81 observers_.Notify(this, functor);
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82 }
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84 void LayerSourceBase::NotifyLayerError(const SliceGeometry& slice)
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85 {
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86 observers_.Apply(*this, &IObserver::NotifyLayerError, slice);
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87 }
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88
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89 void LayerSourceBase::Register(IObserver& observer)
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90 {
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91 observers_.Register(observer);
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92 }
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93 }