adamjs/promises_test.cpp

## promises_test.cpp
#include <AppCore/App.h>
#include <AppCore/Window.h>
#include <AppCore/Overlay.h>
#include <AppCore/JSHelpers.h>

using namespace ultralight;

const char* htmlString();

class MyApp : public LoadListener {
  RefPtr<Overlay> overlay_;
public:
  MyApp(Ref<Window> win) {
    overlay_ = Overlay::Create(win, win->width(), win->height(), 0, 0);
    overlay_->view()->set_load_listener(this);
    overlay_->view()->LoadHTML(htmlString());
  }

  virtual ~MyApp() {}

  JSValue GetMessage(const JSObject& thisObject, const JSArgs& args) {
    if (args.size() == 3) {
      JSValue obj = args[0];
      JSValue resolve = args[1];
      JSValue reject = args[2];
      if (resolve.IsFunction()) {
        JSFunction resolveFunc = resolve.ToFunction();
        resolveFunc({ "Hello!" });
      }
    }
    return JSValue();
  }

  virtual void OnDOMReady(ultralight::View* caller) {
    SetJSContext(caller->js_context());
    JSObject global = JSGlobalObject();
    global["GetMessage"] = BindJSCallbackWithRetval(&MyApp::GetMessage);
  }
};

int main() {
  auto app = App::Create();
  auto window = Window::Create(app->main_monitor(), 300, 300, false, kWindowFlags_Titled);
  window->SetTitle("Testing JavaScript Promises");
  app->set_window(window);
  MyApp my_app(window);
  app->Run();

  return 0;
}

const char* htmlString() {
  return R"(
<html>
  <head>
    <style type="text/css">
      body {
        font-family: -apple-system, 'Segoe UI', Ubuntu, Arial, sans-serif;
        text-align: center;
        background: linear-gradient(#FFF, #DDD);
        padding: 2em;
      }
      #message {
        padding-top: 2em;
        color: black;
        font-weight: bold;
        font-size: 24px;
      }
    </style>
    <script type="text/javascript">
    function HandleButton(evt) {
      var obj = { someJson:2 };
      return new Promise(function(resolve, reject) {
        GetMessage(obj, resolve, reject)
      }).then(function(message) {
        // Display the result in our 'message' div element
        document.getElementById('message').innerHTML = message;
      });
    }
    </script>
  </head>
  <body>
    <button onclick="HandleButton(event);">Get the Secret Message!</button>
    <div id="message"></div>
  </body>
</html>
    )";
}
	#include <AppCore/App.h>
	#include <AppCore/Window.h>
	#include <AppCore/Overlay.h>
	#include <AppCore/JSHelpers.h>

	using namespace ultralight;

	const char* htmlString();

	class MyApp : public LoadListener {
	RefPtr<Overlay> overlay_;
	public:
	MyApp(Ref<Window> win) {
	overlay_ = Overlay::Create(win, win->width(), win->height(), 0, 0);
	overlay_->view()->set_load_listener(this);
	overlay_->view()->LoadHTML(htmlString());
	}

	virtual ~MyApp() {}

	JSValue GetMessage(const JSObject& thisObject, const JSArgs& args) {
	if (args.size() == 3) {
	JSValue obj = args[0];
	JSValue resolve = args[1];
	JSValue reject = args[2];
	if (resolve.IsFunction()) {
	JSFunction resolveFunc = resolve.ToFunction();
	resolveFunc({ "Hello!" });
	}
	}
	return JSValue();
	}

	virtual void OnDOMReady(ultralight::View* caller) {
	SetJSContext(caller->js_context());
	JSObject global = JSGlobalObject();
	global["GetMessage"] = BindJSCallbackWithRetval(&MyApp::GetMessage);
	}
	};

	int main() {
	auto app = App::Create();
	auto window = Window::Create(app->main_monitor(), 300, 300, false, kWindowFlags_Titled);
	window->SetTitle("Testing JavaScript Promises");
	app->set_window(window);
	MyApp my_app(window);
	app->Run();

	return 0;
	}

	const char* htmlString() {
	return R"(
	<html>
	<head>
	<style type="text/css">
	body {
	font-family: -apple-system, 'Segoe UI', Ubuntu, Arial, sans-serif;
	text-align: center;
	background: linear-gradient(#FFF, #DDD);
	padding: 2em;
	}
	#message {
	padding-top: 2em;
	color: black;
	font-weight: bold;
	font-size: 24px;
	}
	</style>
	<script type="text/javascript">
	function HandleButton(evt) {
	var obj = { someJson:2 };
	return new Promise(function(resolve, reject) {
	GetMessage(obj, resolve, reject)
	}).then(function(message) {
	// Display the result in our 'message' div element
	document.getElementById('message').innerHTML = message;
	});
	}
	</script>
	</head>
	<body>
	<button onclick="HandleButton(event);">Get the Secret Message!</button>
	<div id="message"></div>
	</body>
	</html>
	)";
	}