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rktwebview_qt/rktwebview_qt.cpp

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+#include "rktwebview_qt.h"
+#include "webviewqt.h"
+#include "rktwebview.h"
+#include "webviewwindow.h"
+#include <QApplication>
+#include <QTimer>
+#include <QSemaphore>
+
+#define COMMAND_QUIT    1
+#define COMMAND_CLOSE   2
+#define COMMAND_CREATE  3
+#define COMMAND_SET_URL 4
+
+class Command
+{
+public:
+    int cmd;
+    QVector<QVariant> args;
+    QVariant result;
+    bool done;
+public:
+    Command(int _cmd) {
+        cmd = _cmd;
+        done = false;
+    }
+};
+
+void Rktwebview_qt::processCommands()
+{
+    printf("COmmand processing\n");
+    while(!_command_queue.empty()) {
+        Command *cmd = _command_queue.dequeue();
+
+        switch(cmd->cmd) {
+        case COMMAND_QUIT: {
+            _app->quit();
+            cmd->done = true;
+        }
+        break;
+        case COMMAND_CREATE: {
+            int parent = cmd->args[0].toInt();
+            QWidget *p;
+            if (_views.contains(parent)) {
+                p = _views[parent];
+            } else {
+                p = nullptr;
+            }
+
+            WebviewWindow *w = new WebviewWindow(p);
+            WebViewQt *view = new WebViewQt(nextHandle(), w);
+            w->addView(view, this);
+
+            int id = view->id();
+
+            _views[id] = w;
+
+            w->show();
+
+            cmd->result = id;
+            cmd->done = true;
+        }
+        break;
+        case COMMAND_CLOSE: {
+            int wv = cmd->args[0].toInt();
+            if (_views.contains(wv)) {
+                WebviewWindow *w= _views[wv];
+                _views.remove(wv);
+                w->close();
+                w->deleteLater();
+                cmd->result = true;
+            } else {
+                cmd->result = false;
+            }
+            cmd->done = true;
+        }
+        break;
+        case COMMAND_SET_URL: {
+            int wv = cmd->args[0].toInt();
+            QString url = cmd->args[1].toString();
+            if (_views.contains(wv)) {
+                WebviewWindow *w = _views[wv];
+                WebViewQt *v = w->view();
+                QUrl u(url);
+                v->setUrl(u);
+                cmd->result = true;
+            } else {
+                cmd->result = false;
+            }
+            cmd->done = true;
+        }
+        break;
+        default: {
+            cmd->result = false;
+            cmd->done = true;
+        }
+        break;
+        }
+    }
+}
+
+void Rktwebview_qt::interruptEventLoop()
+{
+    printf("Exeting application event loop\n");
+    //_app->quit();
+}
+
+void Rktwebview_qt::removeView(int id)
+{
+    _views.remove(id);
+}
+
+int Rktwebview_qt::nextHandle()
+{
+    int h = ++_current_handle;
+    return h;
+}
+
+int Rktwebview_qt::rktWebViewCreate(int parent)
+{
+    Command c(COMMAND_CREATE);
+    c.args.push_back(parent);
+
+    _command_queue.enqueue(&c);
+
+    while(!c.done) { doEvents(); }
+
+    int id = c.result.toInt();
+    return id;
+}
+
+void Rktwebview_qt::rktWebViewClose(int wv)
+{
+    Command c(COMMAND_CLOSE);
+    c.args.push_back(wv);
+
+    _command_queue.enqueue(&c);
+
+    while(!c.done) { doEvents(); }
+}
+
+result_t Rktwebview_qt::rktSetUrl(rktwebview_t wv, const char *url)
+{
+    Command c(COMMAND_SET_URL);
+    QString _url(url);
+    c.args.push_back(wv);
+    c.args.push_back(_url);
+    _command_queue.enqueue(&c);
+
+    while(!c.done) { doEvents(); }
+
+    bool r = c.result.toBool();
+
+    return r ? result_t::oke : result_t::set_navigate_failed;
+}
+
+void Rktwebview_qt::rktQuit()
+{
+    QList<int> keys = _views.keys();
+    int i;
+    for(i = 0; i < keys.size(); i++) {
+        int view_handle = keys[i];
+        rktWebViewClose(view_handle);
+    }
+
+    Command c(COMMAND_QUIT);
+    _command_queue.enqueue(&c);
+
+    while(!c.done) { doEvents(); }
+}
+
+void Rktwebview_qt::doEvents()
+{
+    //_quit_event_loop.start(2000);
+    //_app->exec();
+    //processCommands();
+    _app->processEvents();
+
+}
+
+Rktwebview_qt::Rktwebview_qt(Rktwebview_qt **handler) :
+    QObject()
+{
+    _argc = 1;
+    _argv[0] = const_cast<char *>("Rktwebview_qt");
+
+
+    _current_handle = 0;
+    _handler = handler;
+
+    _app = new QApplication(_argc, _argv);
+    connect(&_process_commands, &QTimer::timeout, this, &Rktwebview_qt::processCommands);
+    connect(&_quit_event_loop, &QTimer::timeout, this, &Rktwebview_qt::interruptEventLoop);
+    _process_commands.start(1000);
+
+    *_handler = nullptr;
+}