Mercurial > hg > orthanc-stone
annotate Framework/SmartLoader.cpp @ 268:5bd4161bf11b am-2
removed constness of the observable when emitting a message
| author | am@osimis.io |
|---|---|
| date | Wed, 22 Aug 2018 15:08:15 +0200 |
| parents | 89d02de83c03 |
| children | 2d64f4d39610 |
| rev | line source |
|---|---|
| 260 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2018 Osimis S.A., Belgium | |
| 6 * | |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "SmartLoader.h" | |
| 23 #include "Layers/OrthancFrameLayerSource.h" | |
|
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24 #include "Layers/OrthancFrameLayer.h" |
| 260 | 25 |
| 26 namespace OrthancStone | |
| 27 { | |
| 28 SmartLoader::SmartLoader(MessageBroker& broker, IWebService& webService) : | |
| 29 IObservable(broker), | |
| 30 IObserver(broker), | |
| 31 imageQuality_(SliceImageQuality_FullPam), | |
| 32 webService_(webService) | |
| 267 | 33 { |
| 34 DeclareHandledMessage(MessageType_LayerSource_GeometryReady); | |
| 35 DeclareHandledMessage(MessageType_LayerSource_LayerReady); | |
| 36 DeclareIgnoredMessage(MessageType_LayerSource_GeometryError); | |
| 37 DeclareIgnoredMessage(MessageType_LayerSource_ContentChanged); | |
| 38 DeclareIgnoredMessage(MessageType_LayerSource_SliceChanged); | |
| 39 } | |
| 260 | 40 |
|
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41 void SmartLoader::HandleMessage(IObservable& from, const IMessage& message) |
| 260 | 42 { |
| 262 | 43 switch (message.GetType()) { |
| 267 | 44 case MessageType_LayerSource_GeometryReady: |
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45 { |
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46 const OrthancFrameLayerSource* layerSource=dynamic_cast<const OrthancFrameLayerSource*>(&from); |
| 262 | 47 // TODO keep track of objects that have been loaded already |
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48 }; break; |
| 267 | 49 case MessageType_LayerSource_LayerReady: |
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50 { |
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51 const OrthancFrameLayerSource* layerSource=dynamic_cast<const OrthancFrameLayerSource*>(&from); |
| 262 | 52 // TODO keep track of objects that have been loaded already |
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53 }; break; |
| 262 | 54 default: |
| 55 VLOG("unhandled message type" << message.GetType()); | |
| 56 } | |
| 57 | |
| 260 | 58 // forward messages to its own observers |
| 59 IObservable::broker_.EmitMessage(from, IObservable::observers_, message); | |
| 60 } | |
| 61 | |
| 62 ILayerSource* SmartLoader::GetFrame(const std::string& instanceId, unsigned int frame) | |
| 63 { | |
| 262 | 64 // TODO: check if this frame has already been loaded or is already being loaded. |
| 65 // - if already loaded: create a "clone" that will emit the GeometryReady/ImageReady messages "immediately" | |
| 66 // (it can not be immediate because Observers needs to register first and this is done after this method returns) | |
| 67 // - if currently loading, we need to return an object that will observe the existing LayerSource and forward | |
| 68 // the messages to its observables | |
| 69 // in both cases, we must be carefull about objects lifecycle !!! | |
| 260 | 70 std::auto_ptr<OrthancFrameLayerSource> layerSource (new OrthancFrameLayerSource(IObserver::broker_, webService_)); |
| 71 layerSource->SetImageQuality(imageQuality_); | |
| 72 layerSource->RegisterObserver(*this); | |
| 73 layerSource->LoadFrame(instanceId, frame); | |
| 74 | |
| 75 return layerSource.release(); | |
| 76 } | |
| 77 | |
| 78 | |
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79 void PreloadStudy(const std::string studyId) |
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80 { |
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81 /* TODO */ |
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82 } |
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83 |
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84 void PreloadSeries(const std::string seriesId) |
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85 { |
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86 /* TODO */ |
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87 } |
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88 |
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89 |
| 260 | 90 } |