Bug 1593361 - Define UNICODE in vrhost to support sending UTF16 character input r=kip

This change defines UNICODE for building vrhost so that wide chars can be sent from vrhost to Firefox.

Differential Revision: https://phabricator.services.mozilla.com/D51470

--HG--
extra : moz-landing-system : lando

gfx/vr/vrhost/moz.build

@@ -31,8 +31,6 @@ EXPORTS.vrhost = [
   'vrhostex.h'
 ]
 
-
-
 DIRS += [
   'testhost'
 ]
@@ -44,5 +42,9 @@ DEFINES['MOZ_NO_MOZALLOC'] = True
 # fixes "STL code can only be used with infallible ::operator new()"
 DisableStlWrapping()
 
+# Define UNICODE for default support in this dll
+DEFINES['UNICODE'] = True
+DEFINES['_UNICODE'] = True
+
 # Use SharedLibrary to generate the dll
 SharedLibrary('vrhost')

gfx/vr/vrhost/vrhostapi.cpp

@@ -94,19 +94,19 @@ struct StartFirefoxParams {
 
 // Helper threadproc function for CreateVRWindow
 DWORD StartFirefoxThreadProc(_In_ LPVOID lpParameter) {
-  char cmd[] = "%sfirefox.exe -wait-for-browser -profile %s --fxr";
+  wchar_t cmd[] = L"%Sfirefox.exe -wait-for-browser -profile %S --fxr";
 
   StartFirefoxParams* params = static_cast<StartFirefoxParams*>(lpParameter);
-  char cmdWithPath[MAX_PATH + MAX_PATH] = {0};
-  int err = sprintf_s(cmdWithPath, ARRAYSIZE(cmdWithPath), cmd,
-                      params->firefoxFolder, params->firefoxProfileFolder);
+  wchar_t cmdWithPath[MAX_PATH + MAX_PATH] = {0};
+  int err = swprintf_s(cmdWithPath, ARRAYSIZE(cmdWithPath), cmd,
+                       params->firefoxFolder, params->firefoxProfileFolder);
 
   if (err != -1) {
     PROCESS_INFORMATION procFx = {0};
     STARTUPINFO startupInfoFx = {0};
 
 #if defined(DEBUG) && defined(NIGHTLY_BUILD)
-    printf("Starting Firefox via: %s\n", cmdWithPath);
+    printf("Starting Firefox via: %S\n", cmdWithPath);
 #endif
 
     // Start Firefox

gfx/vr/vrhost/vrhosttest.cpp

@@ -264,7 +264,7 @@ void TestCreateVRWindow() {
   char currentDir[MAX_PATH] = {0};
   char currentDirProfile[MAX_PATH] = {0};
   DWORD currentDirLength =
-      ::GetCurrentDirectory(ARRAYSIZE(currentDir), currentDir);
+      ::GetCurrentDirectoryA(ARRAYSIZE(currentDir), currentDir);
   currentDir[currentDirLength] = '\\';
 
   int err = sprintf_s(currentDirProfile, ARRAYSIZE(currentDirProfile),
@@ -286,20 +286,24 @@ void TestCreateVRWindow() {
                                       (void*)fnWaitForVRMsg, 0, &dwTid);
 
     // Wait for Fx to finish launch
+#ifdef DEBUG
     ::Sleep(5000);
+#else
+    ::Sleep(2000);
+#endif
 
     printf(
-        "Now, simulating a click on the Home button, which should look "
+        "1. Simulating a click on the Home button, which should look "
         "pressed\n");
     POINT pt;
     pt.x = 180;
-    pt.y = 790;
+    pt.y = 700;
     fnSendMsg(windowId, WM_LBUTTONDOWN, 0, POINTTOPOINTS(pt));
     ::Sleep(3000);
     fnSendMsg(windowId, WM_LBUTTONUP, 0, POINTTOPOINTS(pt));
 
     printf(
-        "Next, simulating hovering across the URL bar, which should turn "
+        "2. Simulating hovering across the URL bar, which should turn "
         "blue\n");
     pt.x = 600;
     for (int i = 0; i < 100; ++i) {
@@ -309,16 +313,23 @@ void TestCreateVRWindow() {
     }
 
     printf(
-        "Next, simulating clicking inside the URL bar, which should "
+        "3. Simulating clicking inside the URL bar, which should "
         "highlight the text\n");
     pt.x = 700;
-    pt.y = 790;
+    pt.y = 700;
     fnSendMsg(windowId, WM_LBUTTONDOWN, 0, POINTTOPOINTS(pt));
     fnSendMsg(windowId, WM_LBUTTONUP, 0, POINTTOPOINTS(pt));
+
     ::Sleep(3000);
 
+    printf("4. Type some UTF16 characters in the URL bar\n");
+    fnSendMsg(windowId, WM_CHAR, 0x4E64, 0);
+    fnSendMsg(windowId, WM_CHAR, 0x312D, 0);
+    fnSendMsg(windowId, WM_CHAR, 0x0BB9, 0);
+    fnSendMsg(windowId, WM_CHAR, 0x2745, 0);
+
     printf(
-        "Finally, simulating clicking outside the URL bar, which should "
+        "5. Simulating clicking outside the URL bar, which should "
         "send a keyboard blur event\n");
     pt.x = 80;
     fnSendMsg(windowId, WM_LBUTTONDOWN, 0, POINTTOPOINTS(pt));