From 3e109ee770c19fa4151f55aa6093adcd804360b0 Mon Sep 17 00:00:00 2001
From: Ryan Huffman <ryanhuffman@gmail.com>
Date: Thu, 6 Nov 2014 14:57:04 -0800
Subject: [PATCH] Add WebWindow widget for scripts

---
 interface/src/Application.cpp         |  3 ++
 interface/src/scripting/WebWindow.cpp | 68 +++++++++++++++++++++++++++
 interface/src/scripting/WebWindow.h   | 53 +++++++++++++++++++++
 3 files changed, 124 insertions(+)
 create mode 100644 interface/src/scripting/WebWindow.cpp
 create mode 100644 interface/src/scripting/WebWindow.h

diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index b773231b0f..98be839e25 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -91,6 +91,7 @@
 #include "scripting/MenuScriptingInterface.h"
 #include "scripting/SettingsScriptingInterface.h"
 #include "scripting/WindowScriptingInterface.h"
+#include "scripting/WebWindow.h"
 
 #include "ui/DataWebDialog.h"
 #include "ui/InfoView.h"
@@ -3871,6 +3872,8 @@ void Application::registerScriptEngineWithApplicationServices(ScriptEngine* scri
     // register `location` on the global object.
     scriptEngine->registerGetterSetter("location", LocationScriptingInterface::locationGetter,
                                        LocationScriptingInterface::locationSetter);
+
+    scriptEngine->registerFunction("WebWindow", WebWindow::constructor, 1);
     
     scriptEngine->registerGlobalObject("Menu", MenuScriptingInterface::getInstance());
     scriptEngine->registerGlobalObject("Settings", SettingsScriptingInterface::getInstance());
diff --git a/interface/src/scripting/WebWindow.cpp b/interface/src/scripting/WebWindow.cpp
new file mode 100644
index 0000000000..dfd3104f4b
--- /dev/null
+++ b/interface/src/scripting/WebWindow.cpp
@@ -0,0 +1,68 @@
+//
+//  WebWindow.cpp
+//  interface/src/scripting
+//
+//  Created by Ryan Huffman on 11/06/14.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include <QVBoxLayout>
+#include <QApplication>
+#include <QWebFrame>
+#include <QWebView>
+
+#include "WindowScriptingInterface.h"
+#include "WebWindow.h"
+
+ScriptEventBridge::ScriptEventBridge(QObject* parent) : QObject(parent) {
+}
+
+void ScriptEventBridge::emitWebEvent(const QString& data) {
+    emit webEventReceived(data);
+}
+
+void ScriptEventBridge::emitScriptEvent(const QString& data) {
+    emit scriptEventReceived(data);
+}
+
+WebWindow::WebWindow(const QString& url, int width, int height)
+    : QObject(NULL),
+      _window(new QWidget(NULL, Qt::Tool)),
+      _eventBridge(new ScriptEventBridge(this)) {
+
+    QWebView* webView = new QWebView(_window);
+    webView->page()->mainFrame()->addToJavaScriptWindowObject("EventBridge", _eventBridge);
+    webView->setUrl(url);
+    QVBoxLayout* layout = new QVBoxLayout(_window);
+    _window->setLayout(layout);
+    layout->addWidget(webView);
+    layout->setSpacing(0);
+    layout->setContentsMargins(0, 0, 0, 0);
+    _window->setGeometry(0, 0, width, height);
+
+    connect(this, &WebWindow::destroyed, _window, &QWidget::deleteLater);
+}
+
+WebWindow::~WebWindow() {
+}
+
+void WebWindow::setVisible(bool visible) {
+    QMetaObject::invokeMethod(_window, "setVisible", Qt::BlockingQueuedConnection, Q_ARG(bool, visible));
+}
+
+QScriptValue WebWindow::constructor(QScriptContext* context, QScriptEngine* engine) {
+    WebWindow* retVal;
+    QString file = context->argument(0).toString();
+    QMetaObject::invokeMethod(WindowScriptingInterface::getInstance(), "doCreateWebWindow", Qt::BlockingQueuedConnection,
+            Q_RETURN_ARG(WebWindow*, retVal),
+            Q_ARG(const QString&, file),
+            Q_ARG(int, context->argument(1).toInteger()),
+            Q_ARG(int, context->argument(2).toInteger()));
+
+    connect(engine, &QScriptEngine::destroyed, retVal, &WebWindow::deleteLater);
+
+    return engine->newQObject(retVal);//, QScriptEngine::ScriptOwnership);
+}
diff --git a/interface/src/scripting/WebWindow.h b/interface/src/scripting/WebWindow.h
new file mode 100644
index 0000000000..698e43fd6c
--- /dev/null
+++ b/interface/src/scripting/WebWindow.h
@@ -0,0 +1,53 @@
+//
+//  WebWindow.h
+//  interface/src/scripting
+//
+//  Created by Ryan Huffman on 11/06/14.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_WebWindow_h
+#define hifi_WebWindow_h
+
+#include <QScriptContext>
+#include <QScriptEngine>
+
+// #include "ScriptWebView.h"
+
+class ScriptEventBridge : public QObject {
+    Q_OBJECT
+public:
+    ScriptEventBridge(QObject* parent = NULL);
+
+public slots:
+    void emitWebEvent(const QString& data);
+    void emitScriptEvent(const QString& data);
+
+signals:
+    void webEventReceived(const QString& data);
+    void scriptEventReceived(const QString& data);
+
+};
+
+class WebWindow : public QObject {
+    Q_OBJECT
+    Q_PROPERTY(QObject* eventBridge READ getEventBridge)
+public:
+    WebWindow(const QString& url, int width, int height);
+    ~WebWindow();
+
+    static QScriptValue constructor(QScriptContext* context, QScriptEngine* engine);
+
+public slots:
+    void setVisible(bool visible);
+    ScriptEventBridge* getEventBridge() const { return _eventBridge; }
+
+private:
+    QWidget* _window;
+    ScriptEventBridge* _eventBridge;
+};
+
+#endif