Mercurial > hg > orthanc-stone

comparison Platforms/Wasm/Defaults.cpp @ 287:2038d76bf13f am-2

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interaction with HTML/JS
author am@osimis.io
date Thu, 30 Aug 2018 11:36:36 +0200
parents 8a86695fcbc3
children 8c8da145fefa
comparison
equal deleted inserted replaced
286:6b3d91857b96 287:2038d76bf13f
5 #include "Framework/Widgets/TestCairoWidget.h" 5 #include "Framework/Widgets/TestCairoWidget.h"
6 #include <Framework/Viewport/WidgetViewport.h> 6 #include <Framework/Viewport/WidgetViewport.h>
7 #include <Framework/Widgets/LayerWidget.h> 7 #include <Framework/Widgets/LayerWidget.h>
8 #include <algorithm> 8 #include <algorithm>
9 #include "Applications/Wasm/StartupParametersBuilder.h" 9 #include "Applications/Wasm/StartupParametersBuilder.h"
10 #include "Platforms/Wasm/IStoneApplicationToWebApplicationAdapter.h"
10 11
11 static unsigned int width_ = 0; 12 static unsigned int width_ = 0;
12 static unsigned int height_ = 0; 13 static unsigned int height_ = 0;
13 14
14 /**********************************/ 15 /**********************************/
15 16
16 static std::unique_ptr<OrthancStone::IBasicApplication> application; 17 static std::unique_ptr<OrthancStone::IBasicApplication> application;
18 static OrthancStone::IStoneApplicationToWebApplicationAdapter* applicationWebAdapter = NULL;
17 static std::unique_ptr<OrthancStone::BasicApplicationContext> context; 19 static std::unique_ptr<OrthancStone::BasicApplicationContext> context;
18 static OrthancStone::StartupParametersBuilder startupParametersBuilder; 20 static OrthancStone::StartupParametersBuilder startupParametersBuilder;
19 static OrthancStone::MessageBroker broker; 21 static OrthancStone::MessageBroker broker;
20 22
21 static OrthancStone::ViewportContentChangedObserver viewportContentChangedObserver_; 23 static OrthancStone::ViewportContentChangedObserver viewportContentChangedObserver_;
41 43
42 // when WASM needs a C++ viewport 44 // when WASM needs a C++ viewport
43 ViewportHandle EMSCRIPTEN_KEEPALIVE CreateCppViewport() { 45 ViewportHandle EMSCRIPTEN_KEEPALIVE CreateCppViewport() {
44 46
45 std::shared_ptr<OrthancStone::WidgetViewport> viewport(new OrthancStone::WidgetViewport); 47 std::shared_ptr<OrthancStone::WidgetViewport> viewport(new OrthancStone::WidgetViewport);
46 printf("viewport %x\n", viewport.get()); 48 printf("viewport %x\n", (int)viewport.get());
47 49
48 viewports_.push_back(viewport); 50 viewports_.push_back(viewport);
49 51
50 printf("There are now %d viewports in C++\n", viewports_.size()); 52 printf("There are now %d viewports in C++\n", viewports_.size());
51 53
65 void EMSCRIPTEN_KEEPALIVE CreateWasmApplication(ViewportHandle viewport) { 67 void EMSCRIPTEN_KEEPALIVE CreateWasmApplication(ViewportHandle viewport) {
66 68
67 printf("CreateWasmApplication\n"); 69 printf("CreateWasmApplication\n");
68 70
69 application.reset(CreateUserApplication(broker)); 71 application.reset(CreateUserApplication(broker));
72 applicationWebAdapter = dynamic_cast<OrthancStone::IStoneApplicationToWebApplicationAdapter*>(application.get());
70 WasmWebService::SetBroker(broker); 73 WasmWebService::SetBroker(broker);
71 74
72 startupParametersBuilder.Clear(); 75 startupParametersBuilder.Clear();
73 } 76 }
74 77
252 void EMSCRIPTEN_KEEPALIVE ViewportMouseLeave(ViewportHandle viewport) 255 void EMSCRIPTEN_KEEPALIVE ViewportMouseLeave(ViewportHandle viewport)
253 { 256 {
254 viewport->MouseLeave(); 257 viewport->MouseLeave();
255 } 258 }
256 259
260 const char* EMSCRIPTEN_KEEPALIVE SendMessageToStoneApplication(const char* message)
261 {
262 static std::string output; // we don't want the string to be deallocated when we return to JS code so we always use the same string (this is fine since JS is single-thread)
263
264 if (applicationWebAdapter != NULL) {
265 printf("sending message to C++");
266 applicationWebAdapter->HandleMessageFromWeb(output, std::string(message));
267 return output.c_str();
268 }
269 return "This stone application does not have a Web Adapter";
270 }
271
257 272
258 #ifdef __cplusplus 273 #ifdef __cplusplus
259 } 274 }
260 #endif 275 #endif