Windows Phone: add language control to the package manifest

This allows the developer to provide a list of languages to the manifest
by listing them in WINRT_MANIFEST.languages. It also allows setting the
default language with WINRT_MANIFEST.default_language.

Task-number: QTBUG-38557
Change-Id: I5cb94c9f45146e3068d0833b9e669dc17dca14b2
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>

mkspecs/common/winrt_winphone/manifests/8.0/WMAppManifest.xml.in

@@ -1,6 +1,6 @@
 <?xml version=\"1.0\" encoding=\"utf-8\"?>
 <Deployment xmlns=\"http://schemas.microsoft.com/windowsphone/2012/deployment\" AppPlatformVersion=\"8.0\">
-  <DefaultLanguage xmlns=\"\" code=\"en-US\" />
+  <DefaultLanguage xmlns=\"\" code=\"$${WINRT_MANIFEST.default_language}\" />$${WINRT_MANIFEST.languages}
   <App xmlns=\"\"
     ProductID=\"$${WINRT_MANIFEST.identity}\"
     Title=\"$${WINRT_MANIFEST.name}\"

mkspecs/features/winrt/package_manifest.prf

@@ -27,6 +27,8 @@
 # WINRT_MANIFEST.splash_screen: Splash screen image file. Default provided by the mkspec.
 # WINRT_MANIFEST.iconic_tile_icon: Image file for the "iconic" tile template icon. Default provided by the mkspec.
 # WINRT_MANIFEST.iconic_tile_small: Image file for the small "iconic" tile template logo. Default provided by the mkspec.
+# WINRT_MANIFEST.default_language: Specifies the default language of the application
+# WINRT_MANIFEST.languages: Specifies the languages the application supports
 # WINRT_MANIFEST.capabilities: Specifies capabilities to add to the capability list.
 # WINRT_MANIFEST.capabilities_device: Specifies device capabilities to add to the capability list. (location, webcam...)
 # WINRT_MANIFEST.dependencies: Specifies dependencies required by the package.
@@ -90,10 +92,23 @@
     isEmpty(WINRT_MANIFEST.genre): WINRT_MANIFEST.genre = apps.normal
     isEmpty(WINRT_MANIFEST.background): WINRT_MANIFEST.background = green
     isEmpty(WINRT_MANIFEST.foreground): WINRT_MANIFEST.foreground = light
+    isEmpty(WINRT_MANIFEST.default_language): WINRT_MANIFEST.default_language = en
 
     winphone: INDENT = "$$escape_expand(\\r\\n)    "
     else: INDENT = "$$escape_expand(\\r\\n)  "
 
+    # Languages are given as a string list
+    WINRT_MANIFEST.languages = $$unique(WINRT_MANIFEST.languages)
+    winphone:equals(WINSDK_VER, 8.0):!isEmpty(WINRT_MANIFEST.languages) {
+        for(LANGUAGE, WINRT_MANIFEST.languages): \
+            MANIFEST_LANGUAGES += "<Language code=\"$$LANGUAGE\" />"
+
+        WINRT_MANIFEST.languages = \
+            $$join(MANIFEST_LANGUAGES, $$INDENT, \
+                   "$$escape_expand(\\r\\n)  <Languages xmlns=\"\">$$INDENT", \
+                   "$$escape_expand(\\r\\n)  </Languages>")
+    }
+
     # Capabilities are given as a string list and may change with the configuration (network, sensors, etc.)
     WINRT_MANIFEST.capabilities = $$unique(WINRT_MANIFEST.capabilities)
     WINRT_MANIFEST.capabilities_device = $$unique(WINRT_MANIFEST.capabilities_device)

qmake/doc/src/qmake-manual.qdoc

@@ -2411,6 +2411,9 @@
         \li capabilities_device
         \li Specifies device capabilities to add to the capability list
             (location, webcam, and so on). This option is not available on Windows Phone.
+    \row
+        \li default_language
+        \li The default language code of the application. Defaults to "en".
     \row
         \li dependencies
         \li Specifies dependencies required by the package.
@@ -2437,6 +2440,10 @@
         \li identity
         \li The unique ID of the app. Defaults to reusing the existing generated
             manifest's UUID, or generates a new UUID if none is present.
+    \row
+        \li languages
+        \li A list of additional language codes supported by the application. This list
+            is empty by default.
     \row
         \li logo_large
         \li Large logo image file. Default provided by the mkspec.