tlb/core/src/AppManager.cpp

   1 #include <AppManager.h>
   2
   3 #include <stdio.h>
   4 #include <QFile>
   5
   6 static AppManager *s_am = nullptr;
   7 static Shows *s_shows = nullptr;
   8
   9 AppManager::AppManager(QObject* parent) :
  10   QObject(parent)
  11 {
  12   s_am = this;
  13   s_shows = new Shows(dataDirectory(), this);
  14
  15   connect(this, &AppManager::internalNewSource,
  16           this, [this](QUrl sourceFile){
  17               m_view->setSource(sourceFile);
  18               currentPage = sourceFile;
  19           }, Qt::QueuedConnection);
  20 }
  21
  22 AppManager::~AppManager()
  23 {
  24
  25 }
  26
  27 QString AppManager::dataDirectory(void) const
  28 {
  29   return QStringLiteral("/home/tlb/dev/git/android-qt-sandbox/data/");
  30 }
  31
  32 void AppManager::initializeView(QUrl url)
  33 {
  34   m_view = new QQuickView();
  35   m_view->setFlags(Qt::Window);
  36   m_view->setResizeMode(QQuickView::SizeRootObjectToView);
  37   m_view->resize({450, 800});
  38   m_view->show();
  39   m_view->setSource(url);
  40
  41   // this url is the base of the stack.
  42   currentPage = url;
  43 }
  44
  45 AppManager *AppManager::create(QQmlEngine *qmlEngine, QJSEngine *jsEngine)
  46 {
  47   QJSEngine::setObjectOwnership(s_am, QJSEngine::CppOwnership);
  48   return s_am;
  49 }
  50
  51 QObject *AppManager::shows(void)
  52 {
  53   return s_shows;
  54 }
  55
  56 void AppManager::requestBack()
  57 {
  58   fprintf(stderr, "[AM] received request go back\n");
  59   if(m_pageHistory.size() > 0){
  60     // we have something to go back to.
  61     fprintf(stderr, "[AM] -- going back to %s\n",
  62             m_pageHistory.top().toString().toStdString().c_str());
  63     emit internalNewSource(m_pageHistory.pop());
  64   }else{
  65     fprintf(stderr, "[AM] --error, no where to run to\n");
  66   }
  67 }
  68
  69 void AppManager::requestNewSource(QUrl sourceFile)
  70 {
  71   fprintf(stderr, "[AM] received request to load source file '%s'\n",
  72           sourceFile.toString().toStdString().c_str());
  73   if(QFile::exists(sourceFile.toString().remove("qrc"))){
  74     // when we go someplace new, push what we have now into the stack.
  75     m_pageHistory.push(currentPage);
  76     currentPage = sourceFile;
  77     emit internalNewSource(sourceFile);
  78   }else{
  79     fprintf(stderr, "[AM] --error! no such file\n");
  80   }
  81 }