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 |
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date | Wed, 22 Aug 2018 15:08:15 +0200 |
parents | 89d02de83c03 |
children | 2d64f4d39610 |
rev | line source |
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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 |
268
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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 } |