Make it possible to add a title to context menu

.gitignore

@@ -53,7 +53,7 @@ support/hololens/ARM64/
 support/hololens/ServoApp/x64/
 support/hololens/ServoApp/ARM/
 support/hololens/ServoApp/ARM64/
-support/hololens/ServoApp/Generated\ Files
+support/hololens/ServoApp/Generated Files/
 support/hololens/ServoApp/BundleArtifacts/
 support/hololens/ServoApp/support/
 support/hololens/ServoApp/Debug/

components/embedder_traits/lib.rs

@@ -157,7 +157,7 @@ pub enum EmbedderMsg {
     /// Show dialog to user
     Prompt(PromptDefinition, PromptOrigin),
     /// Show a context menu to the user
-    ShowContextMenu(IpcSender<ContextMenuResult>, Vec<String>),
+    ShowContextMenu(IpcSender<ContextMenuResult>, Option<String>, Vec<String>),
     /// Whether or not to allow a pipeline to load a url.
     AllowNavigationRequest(PipelineId, ServoUrl),
     /// Whether or not to allow script to open a new tab/browser

ports/glutin/browser.rs

@@ -521,7 +521,7 @@ where
                         Err(()) => error!("Error running devtools server"),
                     }
                 },
-                EmbedderMsg::ShowContextMenu(sender, _) => {
+                EmbedderMsg::ShowContextMenu(sender, ..) => {
                     let _ = sender.send(ContextMenuResult::Ignored);
                 }
             }

ports/libsimpleservo/api/src/lib.rs

@@ -105,7 +105,7 @@ pub trait HostTrait {
     /// Ask for string
     fn prompt_input(&self, msg: String, default: String, trusted: bool) -> Option<String>;
     /// Show context menu
-    fn show_context_menu(&self, items: Vec<String>);
+    fn show_context_menu(&self, title: Option<String>, items: Vec<String>);
     /// Page starts loading.
     /// "Reload button" should be disabled.
     /// "Stop button" should be enabled.
@@ -579,7 +579,7 @@ impl ServoGlue {
                 EmbedderMsg::AllowUnload(sender) => {
                     let _ = sender.send(true);
                 },
-                EmbedderMsg::ShowContextMenu(sender, items) => {
+                EmbedderMsg::ShowContextMenu(sender, title, items) => {
                     if self.context_menu_sender.is_some() {
                         warn!(
                             "Trying to show a context menu when a context menu is already active"
@@ -587,7 +587,9 @@ impl ServoGlue {
                         let _ = sender.send(ContextMenuResult::Ignored);
                     } else {
                         self.context_menu_sender = Some(sender);
-                        self.callbacks.host_callbacks.show_context_menu(items);
+                        self.callbacks
+                            .host_callbacks
+                            .show_context_menu(title, items);
                     }
                 },
                 EmbedderMsg::Prompt(definition, origin) => {

ports/libsimpleservo/capi/src/lib.rs

@@ -230,7 +230,8 @@ pub struct CHostCallbacks {
         trusted: bool,
     ) -> *const c_char,
     pub on_devtools_started: extern "C" fn(result: CDevtoolsServerState, port: c_uint),
-    pub show_context_menu: extern "C" fn(items_list: *const *const c_char, items_size: u32),
+    pub show_context_menu:
+        extern "C" fn(title: *const c_char, items_list: *const *const c_char, items_size: u32),
 }
 
 /// Servo options
@@ -903,15 +904,19 @@ impl HostTrait for HostCallbacks {
         }
     }
 
-    fn show_context_menu(&self, items: Vec<String>) {
+    fn show_context_menu(&self, title: Option<String>, items: Vec<String>) {
         debug!("show_context_menu");
-        let size = items.len() as u32;
+        let items_size = items.len() as u32;
         let cstrs: Vec<CString> = items
             .into_iter()
             .map(|i| CString::new(i).expect("Can't create string"))
             .collect();
-        let ptrs: Vec<*const c_char> = cstrs.iter().map(|cstr| cstr.as_ptr()).collect();
+        let items: Vec<*const c_char> = cstrs.iter().map(|cstr| cstr.as_ptr()).collect();
-        (self.0.show_context_menu)(ptrs.as_ptr(), size);
+        let title = title.map(|s| CString::new(s).expect("Can't create string"));
-        // let _ = cstrs; // Don't drop these too early
+        let title_ptr = title
+            .as_ref()
+            .map(|cstr| cstr.as_ptr())
+            .unwrap_or(std::ptr::null());
+        (self.0.show_context_menu)(title_ptr, items.as_ptr(), items_size);
     }
 }

support/hololens/ServoApp/ServoControl/Servo.cpp

@@ -67,12 +67,17 @@ void prompt_alert(const char *message, bool trusted) {
   sServo->Delegate().OnServoPromptAlert(char2hstring(message), trusted);
 }
 
-void show_context_menu(const char *const *items_list, uint32_t items_size) {
+void show_context_menu(const char *title, const char *const *items_list,
+                       uint32_t items_size) {
+  std::optional<hstring> opt_title = {};
+  if (title != nullptr) {
+    opt_title = char2hstring(title);
+  }
   std::vector<winrt::hstring> items;
   for (uint32_t i = 0; i < items_size; i++) {
     items.push_back(char2hstring(items_list[i]));
   }
-  sServo->Delegate().OnServoShowContextMenu(items);
+  sServo->Delegate().OnServoShowContextMenu(opt_title, items);
 }
 
 void on_devtools_started(Servo::DevtoolsServerState result,

support/hololens/ServoApp/ServoControl/Servo.h

@@ -105,7 +105,8 @@ public:
   virtual void OnServoMediaSessionMetadata(hstring, hstring, hstring) = 0;
   virtual void OnServoMediaSessionPlaybackStateChange(int) = 0;
   virtual void OnServoPromptAlert(hstring, bool) = 0;
-  virtual void OnServoShowContextMenu(std::vector<hstring>) = 0;
+  virtual void OnServoShowContextMenu(std::optional<hstring>,
+                                      std::vector<hstring>) = 0;
   virtual Servo::PromptResult OnServoPromptOkCancel(hstring, bool) = 0;
   virtual Servo::PromptResult OnServoPromptYesNo(hstring, bool) = 0;
   virtual std::optional<hstring> OnServoPromptInput(hstring, hstring, bool) = 0;

support/hololens/ServoApp/ServoControl/ServoControl.cpp

@@ -564,9 +564,10 @@ void ServoControl::OnServoDevtoolsStarted(bool success,
   });
 }
 
-void ServoControl::OnServoShowContextMenu(std::vector<winrt::hstring> items) {
+void ServoControl::OnServoShowContextMenu(std::optional<hstring> title,
+                                          std::vector<winrt::hstring> items) {
   RunOnUIThread([=] {
-    MessageDialog msg{L"Menu"};
+    MessageDialog msg{title.value_or(L"Menu")};
     for (auto i = 0; i < items.size(); i++) {
       UICommand cmd{items[i], [=](auto) {
                       RunOnGLThread([=] {

support/hololens/ServoApp/ServoControl/ServoControl.h

@@ -117,7 +117,8 @@ struct ServoControl : ServoControlT<ServoControl>, public servo::ServoDelegate {
                                            winrt::hstring);
   virtual void OnServoMediaSessionPlaybackStateChange(int);
   virtual void OnServoPromptAlert(winrt::hstring, bool);
-  virtual void OnServoShowContextMenu(std::vector<winrt::hstring>);
+  virtual void OnServoShowContextMenu(std::optional<winrt::hstring>,
+                                      std::vector<winrt::hstring>);
   virtual servo::Servo::PromptResult OnServoPromptOkCancel(winrt::hstring,
                                                            bool);
   virtual servo::Servo::PromptResult OnServoPromptYesNo(winrt::hstring, bool);