1 files changed, 31 insertions, 0 deletions
diff --git a/chrome/common/l10n_util_win.cc b/chrome/common/l10n_util_win.cc
new file mode 100644
index 0000000..5d85951
--- /dev/null
+++ b/chrome/common/l10n_util_win.cc
@@ -0,0 +1,31 @@
+#include "chrome/common/l10n_util.h"
+#include "chrome/common/l10n_util_win.h"
+
+namespace l10n_util {
+
+int GetExtendedStyles() {
+  return GetTextDirection() == LEFT_TO_RIGHT ? 0 :
+      WS_EX_LAYOUTRTL | WS_EX_RTLREADING;
+}
+
+int GetExtendedTooltipStyles() {
+  return GetTextDirection() == LEFT_TO_RIGHT ? 0 : WS_EX_LAYOUTRTL;
+}
+
+void HWNDSetRTLLayout(HWND hwnd) {
+  DWORD ex_style = ::GetWindowLong(hwnd, GWL_EXSTYLE);
+
+  // We don't have to do anything if the style is already set for the HWND.
+  if (!(ex_style & WS_EX_LAYOUTRTL)) {
+    ex_style |= WS_EX_LAYOUTRTL;
+    ::SetWindowLong(hwnd, GWL_EXSTYLE, ex_style);
+
+    // Right-to-left layout changes are not applied to the window immediately
+    // so we should make sure a WM_PAINT is sent to the window by invalidating
+    // the entire window rect.
+    ::InvalidateRect(hwnd, NULL, true);
+  }
+}
+
+}  // namespace l10n_util
+