UWP port: re-enable devtools

support/hololens/ServoApp/BrowserPage.cpp

@@ -14,6 +14,7 @@ using namespace winrt::Windows::UI::Xaml;
 using namespace winrt::Windows::UI::Core;
 using namespace winrt::Windows::UI::ViewManagement;
 using namespace winrt::Windows::ApplicationModel::Core;
+using namespace winrt::Windows::UI::Notifications;
 
 namespace winrt::ServoApp::implementation {
 BrowserPage::BrowserPage() {
@@ -109,7 +110,10 @@ void BrowserPage::SetTransientMode(bool transient) {
 
 void BrowserPage::SetArgs(hstring args) { servoControl().SetArgs(args); }
 
-void BrowserPage::Shutdown() { servoControl().Shutdown(); }
+void BrowserPage::Shutdown() {
+  ToastNotificationManager::History().Clear();
+  servoControl().Shutdown();
+}
 
 /**** USER INTERACTIONS WITH UI ****/
 

support/hololens/ServoApp/ServoControl/Servo.cpp

@@ -67,6 +67,12 @@ void prompt_alert(const char *message, bool trusted) {
   sServo->Delegate().OnServoPromptAlert(char2hstring(message), trusted);
 }
 
+void on_devtools_started(Servo::DevtoolsServerState result,
+                         const unsigned int port) {
+  sServo->Delegate().OnServoDevtoolsStarted(
+      result == Servo::DevtoolsServerState::Started, port);
+}
+
 Servo::PromptResult prompt_ok_cancel(const char *message, bool trusted) {
   return sServo->Delegate().OnServoPromptOkCancel(char2hstring(message),
                                                   trusted);
@@ -87,17 +93,12 @@ const char *prompt_input(const char *message, const char *default,
   }
 }
 
-void on_devtools_started(Servo::DevtoolsServerState result,
-                         const unsigned int port) {
-  // FIXME
-}
-
 Servo::Servo(hstring url, hstring args, GLsizei width, GLsizei height,
              float dpi, ServoDelegate &aDelegate)
     : mWindowHeight(height), mWindowWidth(width), mDelegate(aDelegate) {
 
   capi::CInitOptions o;
-  hstring defaultPrefs = L" --pref dom.webxr.enabled";
+  hstring defaultPrefs = L" --pref dom.webxr.enabled --devtools";
   o.args = *hstring2char(args + defaultPrefs);
   o.url = *hstring2char(url);
   o.width = mWindowWidth;

support/hololens/ServoApp/ServoControl/Servo.h

@@ -95,6 +95,7 @@ public:
   virtual bool OnServoAllowNavigation(hstring) = 0;
   virtual void OnServoAnimatingChanged(bool) = 0;
   virtual void OnServoIMEStateChanged(bool) = 0;
+  virtual void OnServoDevtoolsStarted(bool, unsigned int) = 0;
   virtual void Flush() = 0;
   virtual void MakeCurrent() = 0;
   virtual void OnServoMediaSessionMetadata(hstring, hstring, hstring) = 0;

support/hololens/ServoApp/ServoControl/ServoControl.cpp

@@ -11,6 +11,8 @@ using namespace winrt::Windows::UI::Core;
 using namespace winrt::Windows::Foundation;
 using namespace winrt::Windows::System;
 using namespace winrt::Windows::Devices::Input;
+using namespace winrt::Windows::UI::Notifications;
+using namespace winrt::Windows::Data::Xml::Dom;
 using namespace concurrency;
 using namespace winrt::servo;
 
@@ -556,6 +558,22 @@ std::optional<hstring> ServoControl::OnServoPromptInput(winrt::hstring message,
   return string;
 }
 
+void ServoControl::OnServoDevtoolsStarted(bool success,
+                                          const unsigned int port) {
+  auto toastTemplate = ToastTemplateType::ToastText01;
+  auto toastXml = ToastNotificationManager::GetTemplateContent(toastTemplate);
+  auto toastTextElements = toastXml.GetElementsByTagName(L"text");
+  std::wstring message;
+  if (success) {
+    message = L"DevTools server has started on port " + std::to_wstring(port);
+  } else {
+    message = L"Error: could not start DevTools";
+  }
+  toastTextElements.Item(0).InnerText(message);
+  auto toast = ToastNotification(toastXml);
+  ToastNotificationManager::CreateToastNotifier().Show(toast);
+}
+
 template <typename Callable> void ServoControl::RunOnUIThread(Callable cb) {
   Dispatcher().RunAsync(CoreDispatcherPriority::High, cb);
 }

support/hololens/ServoApp/ServoControl/ServoControl.h

@@ -114,6 +114,7 @@ struct ServoControl : ServoControlT<ServoControl>, public servo::ServoDelegate {
   virtual servo::Servo::PromptResult OnServoPromptYesNo(winrt::hstring, bool);
   virtual std::optional<hstring> OnServoPromptInput(winrt::hstring,
                                                     winrt::hstring, bool);
+  virtual void OnServoDevtoolsStarted(bool success, const unsigned int port);
 
 private:
   winrt::event<Windows::Foundation::EventHandler<hstring>> mOnURLChangedEvent;

support/hololens/ServoApp/pch.h

@@ -52,3 +52,5 @@
 #include <winrt/Windows.UI.Xaml.Interop.h>
 #include <winrt/Windows.UI.Xaml.Markup.h>
 #include <winrt/Windows.UI.Xaml.Navigation.h>
+#include <winrt/Windows.UI.Notifications.h>
+#include <winrt/Windows.Data.Xml.Dom.h>