From 8c375db90f3185263c4180db78cc495d4968f199 Mon Sep 17 00:00:00 2001
From: Brad Davis <bdavis@saintandreas.org>
Date: Wed, 15 May 2019 12:55:47 -0700
Subject: [PATCH] Add display plugin introspection to the window scripting
 interface

---
 .../scripting/WindowScriptingInterface.cpp    | 33 ++++++++++++++++
 .../src/scripting/WindowScriptingInterface.h  | 38 +++++++++++++++++++
 2 files changed, 71 insertions(+)

diff --git a/interface/src/scripting/WindowScriptingInterface.cpp b/interface/src/scripting/WindowScriptingInterface.cpp
index 2c1311924f..e1272d68a7 100644
--- a/interface/src/scripting/WindowScriptingInterface.cpp
+++ b/interface/src/scripting/WindowScriptingInterface.cpp
@@ -19,6 +19,7 @@
 #include <shared/QtHelpers.h>
 #include <SettingHandle.h>
 
+#include <plugins/PluginManager.h>
 #include <display-plugins/CompositorHelper.h>
 #include <AddressManager.h>
 #include "AndroidHelper.h"
@@ -609,3 +610,35 @@ void WindowScriptingInterface::onMessageBoxSelected(int button) {
 float WindowScriptingInterface::domainLoadingProgress() {
     return qApp->getOctreePacketProcessor().domainLoadingProgress();
 }
+
+const DisplayPluginList& getDisplayPlugins() {
+    static const auto& list = PluginManager::getInstance()->getDisplayPlugins();
+    return list;
+}
+
+int WindowScriptingInterface::getDisplayPluginCount() {
+    return getDisplayPlugins().size();
+}
+
+QString WindowScriptingInterface::getDisplayPluginName(int index) {
+    return getDisplayPlugins().at(index)->getName();
+}
+
+bool WindowScriptingInterface::isDisplayPluginHmd(int index) {
+    return getDisplayPlugins().at(index)->isHmd();
+}
+
+int WindowScriptingInterface::getActiveDisplayPlugin() {
+    auto active = qApp->getActiveDisplayPlugin();
+    auto size = getDisplayPluginCount();
+    for (int i = 0; i < size; ++i) {
+        if (getDisplayPlugins().at(i) == active) {
+            return i;
+        }
+    }
+    return -1;
+}
+
+void WindowScriptingInterface::setActiveDisplayPlugin(int index) {
+    qApp->setActiveDisplayPlugin(getDisplayPlugins().at(index)->getName());
+}
diff --git a/interface/src/scripting/WindowScriptingInterface.h b/interface/src/scripting/WindowScriptingInterface.h
index 77b586ec70..c165e5474e 100644
--- a/interface/src/scripting/WindowScriptingInterface.h
+++ b/interface/src/scripting/WindowScriptingInterface.h
@@ -575,6 +575,44 @@ public slots:
 
     float domainLoadingProgress();
 
+    /**jsdoc
+     * Return the number of display plugins currently available
+     * @function Window.getDisplayPluginCount
+     * @returns {int} The number of currently available display plugins
+     */
+    int getDisplayPluginCount();
+
+    /**jsdoc
+     * Return the human readable name of a display plugin
+     * @function Window.getDisplayPluginName
+     * @param {int} index - The index of the display plugin.  Must be less than the value returned by {@link Window.getDisplayPluginCount|getDisplayPluginCount}.
+     * @returns {string} The name of the specified display plugin
+     */
+    QString getDisplayPluginName(int index);
+
+    /**jsdoc
+     * Return whether a given display plugin is an HMD
+     * @function Window.isDisplayPluginHmd
+     * @param {int} index - The index of the display plugin.  Must be less than the value returned by {@link Window.getDisplayPluginCount|getDisplayPluginCount}.
+     * @returns {bool} True if the specified display plugin is a HMD
+     */
+    bool isDisplayPluginHmd(int index);
+
+    /**jsdoc
+     * Return the currently active display plugin
+     * @function Window.getActiveDisplayPlugin
+     * @returns {int} The index of the currently active display plugin
+     */
+    int getActiveDisplayPlugin();
+
+    /**jsdoc
+     * Return the currently active display plugin
+     * @function Window.setActiveDisplayPlugin
+     * @param {int} index - The index of the display plugin.  Must be less than the value returned by {@link Window.getDisplayPluginCount|getDisplayPluginCount}.
+     */
+    void setActiveDisplayPlugin(int index);
+
+
 private slots:
     void onWindowGeometryChanged(const QRect& geometry);
     void onMessageBoxSelected(int button);