Hooked up EventBridge to TabletScriptingInterface.

interface/resources/qml/hifi/tablet/TabletRoot.qml

@@ -3,6 +3,7 @@ import QtQuick 2.0
 Item {
     id: tabletRoot
     objectName: "tabletRoot"
+    property var eventBridge;
 
     function loadSource(url) {
         loader.source = url;
@@ -19,6 +20,13 @@ Item {
 
         width: parent.width
         height: parent.height
+
+        onLoaded: {
+            // propogate eventBridge to WebEngineView
+            if (loader.item.hasOwnProperty("eventBridge")) {
+                loader.item.eventBridge = eventBridge;
+            }
+        }
     }
 
     width: 480

interface/resources/qml/hifi/tablet/TabletWebView.qml

@@ -1,9 +1,10 @@
 import QtQuick 2.0
 import QtWebEngine 1.2
 
-WebEngineView {
+import "../../controls" as Controls
-    id: webEngineView
+
-    height: parent.height
+Controls.WebView {
-    width: parent.width
+
 }
 
+

interface/src/ui/overlays/Web3DOverlay.cpp

@@ -61,7 +61,7 @@ Web3DOverlay::~Web3DOverlay() {
 
         if (rootItem && rootItem->objectName() == "tabletRoot") {
             auto tabletScriptingInterface = DependencyManager::get<TabletScriptingInterface>();
-            tabletScriptingInterface->setQmlTabletRoot("com.highfidelity.interface.tablet.system", nullptr);
+            tabletScriptingInterface->setQmlTabletRoot("com.highfidelity.interface.tablet.system", nullptr, nullptr);
         }
 
         // Fix for crash in QtWebEngineCore when rapidly switching domains
@@ -138,7 +138,7 @@ void Web3DOverlay::loadSourceURL() {
 
         if (_webSurface->getRootItem() && _webSurface->getRootItem()->objectName() == "tabletRoot") {
             auto tabletScriptingInterface = DependencyManager::get<TabletScriptingInterface>();
-            tabletScriptingInterface->setQmlTabletRoot("com.highfidelity.interface.tablet.system", _webSurface->getRootItem());
+            tabletScriptingInterface->setQmlTabletRoot("com.highfidelity.interface.tablet.system", _webSurface->getRootItem(), _webSurface.data());
         }
     }
 }

libraries/entities-renderer/src/RenderableWebEntityItem.cpp

@@ -268,7 +268,7 @@ void RenderableWebEntityItem::loadSourceURL() {
 
         if (_webSurface->getRootItem() && _webSurface->getRootItem()->objectName() == "tabletRoot") {
             auto tabletScriptingInterface = DependencyManager::get<TabletScriptingInterface>();
-            tabletScriptingInterface->setQmlTabletRoot("com.highfidelity.interface.tablet.system", _webSurface->getRootItem());
+            tabletScriptingInterface->setQmlTabletRoot("com.highfidelity.interface.tablet.system", _webSurface->getRootItem(), _webSurface.data());
         }
     }
 }
@@ -372,7 +372,7 @@ void RenderableWebEntityItem::destroyWebSurface() {
 
         if (rootItem && rootItem->objectName() == "tabletRoot") {
             auto tabletScriptingInterface = DependencyManager::get<TabletScriptingInterface>();
-            tabletScriptingInterface->setQmlTabletRoot("com.highfidelity.interface.tablet.system", nullptr);
+            tabletScriptingInterface->setQmlTabletRoot("com.highfidelity.interface.tablet.system", nullptr, nullptr);
         }
 
         // Fix for crash in QtWebEngineCore when rapidly switching domains

libraries/script-engine/src/TabletScriptingInterface.cpp

@@ -29,10 +29,10 @@ QObject* TabletScriptingInterface::getTablet(const QString& tabletId) {
     }
 }
 
-void TabletScriptingInterface::setQmlTabletRoot(QString tabletId, QQuickItem* qmlTabletRoot) {
+void TabletScriptingInterface::setQmlTabletRoot(QString tabletId, QQuickItem* qmlTabletRoot, QObject* qmlOffscreenSurface) {
     TabletProxy* tablet = qobject_cast<TabletProxy*>(getTablet(tabletId));
-    if (tablet) {
+    if (tablet && qmlOffscreenSurface) {
-        tablet->setQmlTabletRoot(qmlTabletRoot);
+        tablet->setQmlTabletRoot(qmlTabletRoot, qmlOffscreenSurface);
     } else {
         qCWarning(scriptengine) << "TabletScriptingInterface::setupTablet() bad tablet object";
     }
@@ -72,10 +72,12 @@ static void addButtonProxyToQmlTablet(QQuickItem* qmlTablet, TabletButtonProxy*
     buttonProxy->setQmlButton(qobject_cast<QQuickItem*>(qmlButton));
 }
 
-void TabletProxy::setQmlTabletRoot(QQuickItem* qmlTabletRoot) {
+void TabletProxy::setQmlTabletRoot(QQuickItem* qmlTabletRoot, QObject* qmlOffscreenSurface) {
     std::lock_guard<std::mutex> guard(_mutex);
+    _qmlOffscreenSurface = qmlOffscreenSurface;
     _qmlTabletRoot = qmlTabletRoot;
-    if (_qmlTabletRoot) {
+    if (_qmlTabletRoot && _qmlOffscreenSurface) {
+        QObject::connect(_qmlOffscreenSurface, SIGNAL(webEventReceived(QVariant)), this, SIGNAL(webEventReceived(QVariant)));
         gotoHomeScreen();
     } else {
         removeButtonsFromHomeScreen();
@@ -141,6 +143,12 @@ void TabletProxy::removeButton(QObject* tabletButtonProxy) {
     }
 }
 
+void TabletProxy::emitScriptEvent(QVariant msg) {
+    if (_qmlOffscreenSurface) {
+        QMetaObject::invokeMethod(_qmlOffscreenSurface, "emitScriptEvent", Qt::AutoConnection, Q_ARG(QVariant, msg));
+    }
+}
+
 void TabletProxy::addButtonsToHomeScreen() {
     auto tablet = getQmlTablet();
     if (!tablet) {

libraries/script-engine/src/TabletScriptingInterface.h

@@ -37,7 +37,7 @@ public:
      */
     Q_INVOKABLE QObject* getTablet(const QString& tabletId);
 
-    void setQmlTabletRoot(QString tabletId, QQuickItem* qmlTabletRoot);
+    void setQmlTabletRoot(QString tabletId, QQuickItem* qmlTabletRoot, QObject* qmlOffscreenSurface);
 
 protected:
     std::mutex _mutex;
@@ -46,7 +46,7 @@ protected:
 
 /**jsdoc
  * @class TabletProxy
- * @property name {string} name of this tablet
+ * @property name {string} READ_ONLY: name of this tablet
  */
 class TabletProxy : public QObject {
     Q_OBJECT
@@ -54,7 +54,7 @@ class TabletProxy : public QObject {
 public:
     TabletProxy(QString name);
 
-    void setQmlTabletRoot(QQuickItem* qmlTabletRoot);
+    void setQmlTabletRoot(QQuickItem* qmlTabletRoot, QObject* qmlOffscreenSurface);
 
     /**jsdoc
      * transition to the home screen
@@ -85,6 +85,23 @@ public:
     Q_INVOKABLE void removeButton(QObject* tabletButtonProxy);
 
     QString getName() const { return _name; }
+
+    /**jsdoc
+     * Used to send an event to the html/js embedded in the tablet
+     * @function TabletProxy#emitScriptEvent
+     * @param msg {object|string}
+     */
+    Q_INVOKABLE void emitScriptEvent(QVariant msg);
+
+signals:
+    /**jsdoc
+     * Signaled when this tablet receives an event from the html/js embedded in the tablet
+     * @function TabletProxy#webEventReceived
+     * @param msg {object|string}
+     * @returns {Signal}
+     */
+    void webEventReceived(QVariant msg);
+
 protected:
 
     void addButtonsToHomeScreen();
@@ -95,19 +112,23 @@ protected:
     std::mutex _mutex;
     std::vector<QSharedPointer<TabletButtonProxy>> _tabletButtonProxies;
     QQuickItem* _qmlTabletRoot { nullptr };
+    QObject* _qmlOffscreenSurface { nullptr };
 };
 
 /**jsdoc
  * @class TabletButtonProxy
- * @property imageUrl {string}
+ * @property uuid {QUuid} READ_ONLY: uniquely identifies this button
  */
 class TabletButtonProxy : public QObject {
     Q_OBJECT
+    Q_PROPERTY(QUuid uuid READ getUuid)
 public:
     TabletButtonProxy(const QVariantMap& properties);
 
     void setQmlButton(QQuickItem* qmlButton);
 
+    QUuid getUuid() const { return _uuid; }
+
     /**jsdoc
      * Returns the current value of this button's properties
      * @function TabletButtonProxy#getProperties