source/modules/dgl/src/Application.cpp

   1 /*
   2  * DISTRHO Plugin Framework (DPF)
   3  * Copyright (C) 2012-2022 Filipe Coelho <falktx@falktx.com>
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any purpose with
   6  * or without fee is hereby granted, provided that the above copyright notice and this
   7  * permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
  10  * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
  11  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  12  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
  13  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include "ApplicationPrivateData.hpp"
  18
  19 #ifdef __EMSCRIPTEN__
  20 # include <emscripten/emscripten.h>
  21 #endif
  22
  23 START_NAMESPACE_DGL
  24
  25 // --------------------------------------------------------------------------------------------------------------------
  26
  27 #ifdef __EMSCRIPTEN__
  28 static void app_idle(void* const app)
  29 {
  30     static_cast<Application*>(app)->idle();
  31 }
  32 #endif
  33
  34 Application::Application(const bool isStandalone)
  35     : pData(new PrivateData(isStandalone)) {}
  36
  37 Application::~Application()
  38 {
  39     delete pData;
  40 }
  41
  42 void Application::idle()
  43 {
  44     pData->idle(0);
  45 }
  46
  47 void Application::exec(const uint idleTimeInMs)
  48 {
  49     DISTRHO_SAFE_ASSERT_RETURN(pData->isStandalone,);
  50
  51 #ifdef __EMSCRIPTEN__
  52     emscripten_set_main_loop_arg(app_idle, this, 0, true);
  53 #else
  54     while (! pData->isQuitting)
  55         pData->idle(idleTimeInMs);
  56 #endif
  57 }
  58
  59 void Application::quit()
  60 {
  61     pData->quit();
  62 }
  63
  64 bool Application::isQuitting() const noexcept
  65 {
  66     return pData->isQuitting || pData->isQuittingInNextCycle;
  67 }
  68
  69 bool Application::isStandalone() const noexcept
  70 {
  71     return pData->isStandalone;
  72 }
  73
  74 double Application::getTime() const
  75 {
  76     return pData->getTime();
  77 }
  78
  79 void Application::addIdleCallback(IdleCallback* const callback)
  80 {
  81     DISTRHO_SAFE_ASSERT_RETURN(callback != nullptr,)
  82
  83     pData->idleCallbacks.push_back(callback);
  84 }
  85
  86 void Application::removeIdleCallback(IdleCallback* const callback)
  87 {
  88     DISTRHO_SAFE_ASSERT_RETURN(callback != nullptr,)
  89
  90     pData->idleCallbacks.remove(callback);
  91 }
  92
  93 void Application::setClassName(const char* const name)
  94 {
  95     pData->setClassName(name);
  96 }
  97
  98 // --------------------------------------------------------------------------------------------------------------------
  99
 100 END_NAMESPACE_DGL