Update StickyKeys overlay to show or hide AltGr depending on the

chromeos/ime/xkeyboard.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromeos/ime/xkeyboard.h"
 
 #include <cstdlib>
 #include <cstring>
 #include <queue>
 #include <set>
@@ skipping 27 matching lines @@
 // setxkbmap command finished.
 const int kSetLayoutCommandCheckDelayMs = 100;
 
 // The command we use to set the current XKB layout and modifier key mapping.
 // TODO(yusukes): Use libxkbfile.so instead of the command (crosbug.com/13105)
 const char kSetxkbmapCommand[] = "/usr/bin/setxkbmap";
 
 // A string for obtaining a mask value for Num Lock.
 const char kNumLockVirtualModifierString[] = "NumLock";
 
+const char *kISOLevel5ShiftLayoutIds[] = {
+  "ca(multix)",
+  "de(neo)",
+};
+
+const char *kAltGrLayoutIds[] = {
+  "be",
+  "be",
+  "be",
+  "bg",
+  "bg(phonetic)",
+  "br",
+  "ca",
+  "ca(eng)",
+  "ca(multix)",
+  "ch",
+  "ch(fr)",
+  "cz",
+  "de",
+  "de(neo)",
+  "dk",
+  "ee",
+  "es",
+  "es(cat)",
+  "fi",
+  "fr",
+  "gb(dvorak)",
+  "gb(extd)",
+  "gr",
+  "hr",
+  "il",
+  "it",
+  "latam",
+  "lt",
+  "no",
+  "pl",
+  "pt",
+  "ro",
+  "se",
+  "si",
+  "sk",
+  "tr",
+  "ua",
+  "us(altgr-intl)",
+  "us(intl)",
+};
+
+
 // Returns false if |layout_name| contains a bad character.
 bool CheckLayoutName(const std::string& layout_name) {
   static const char kValidLayoutNameCharacters[] =
       "abcdefghijklmnopqrstuvwxyz0123456789()-_";
 
   if (layout_name.empty()) {
     DVLOG(1) << "Invalid layout_name: " << layout_name;
     return false;
   }
 
@@ skipping 12 matching lines @@
   virtual ~XKeyboardImpl() {}
 
   // Overridden from XKeyboard:
   virtual bool SetCurrentKeyboardLayoutByName(
       const std::string& layout_name) OVERRIDE;
   virtual bool ReapplyCurrentKeyboardLayout() OVERRIDE;
   virtual void ReapplyCurrentModifierLockStatus() OVERRIDE;
   virtual void DisableNumLock() OVERRIDE;
   virtual void SetCapsLockEnabled(bool enable_caps_lock) OVERRIDE;
   virtual bool CapsLockIsEnabled() OVERRIDE;
+  virtual bool IsISOLevel5ShiftAvailable() const OVERRIDE;
+  virtual bool IsAltGrAvailable() const OVERRIDE;
   virtual bool SetAutoRepeatEnabled(bool enabled) OVERRIDE;
   virtual bool SetAutoRepeatRate(const AutoRepeatRate& rate) OVERRIDE;
 
  private:
   // Returns a mask for Num Lock (e.g. 1U << 4). Returns 0 on error.
   unsigned int GetNumLockMask();
 
   // Sets the caps-lock status. Note that calling this function always disables
   // the num-lock.
   void SetLockedModifiers(bool caps_lock_enabled);
@@ skipping 191 matching lines @@
   }
 }
 
 bool XKeyboardImpl::CapsLockIsEnabled() {
   DCHECK(thread_checker_.CalledOnValidThread());
   XkbStateRec status;
   XkbGetState(GetXDisplay(), XkbUseCoreKbd, &status);
   return (status.locked_mods & LockMask);
 }
 
+bool XKeyboardImpl::IsISOLevel5ShiftAvailable() const {
+  for (size_t i = 0; i < arraysize(kISOLevel5ShiftLayoutIds); ++i) {
+    if (current_layout_name_ == kISOLevel5ShiftLayoutIds[i])
+      return true;
+  }
+  return false;
+}
+
+bool XKeyboardImpl::IsAltGrAvailable() const {
+  for (size_t i = 0; i < arraysize(kAltGrLayoutIds); ++i) {
+    if (current_layout_name_ == kAltGrLayoutIds[i])
+      return true;
+  }
+  return false;
+}
+
+
 bool XKeyboardImpl::SetAutoRepeatEnabled(bool enabled) {
   if (enabled)
     XAutoRepeatOn(GetXDisplay());
   else
     XAutoRepeatOff(GetXDisplay());
   DVLOG(1) << "Set auto-repeat mode to: " << (enabled ? "on" : "off");
   return true;
 }
 
 bool XKeyboardImpl::SetAutoRepeatRate(const AutoRepeatRate& rate) {
@@ skipping 69 matching lines @@
   return CheckLayoutName(layout_name);
 }
 
 // static
 XKeyboard* XKeyboard::Create() {
   return new XKeyboardImpl();
 }
 
 }  // namespace input_method
 }  // namespace chromeos