Port ScopedDisableInternalMouseAndKeyboardX11 to Ozone

ui/events/ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.cc

 // Copyright 2014 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 "ui/events/ozone/evdev/libgestures_glue/gesture_interpreter_libevdev_cros.h"
 
 #include <gestures/gestures.h>
 #include <libevdev/libevdev.h>
 #include <linux/input.h>
 
@@ skipping 217 matching lines @@
         is_mouse_ ? button_map_->GetMappedButton(BTN_MIDDLE) : BTN_MIDDLE);
   }
   if (Event_Get_Button_Right(evdev)) {
     hwstate.buttons_down |= GetGestureButton(
         is_mouse_ ? button_map_->GetMappedButton(BTN_RIGHT) : BTN_RIGHT);
   }
 
   GestureInterpreterPushHardwareState(interpreter_, &hwstate);
 }
 
+void GestureInterpreterLibevdevCros::SetAllowedKeys(
+    scoped_ptr<std::set<KeyboardCode>> allowed_keys) {
+  allowed_keys_ = allowed_keys.Pass();
+}
+
+void GestureInterpreterLibevdevCros::AllowAllKeys() {
+  allowed_keys_.reset();
+}
+
 void GestureInterpreterLibevdevCros::OnGestureReady(const Gesture* gesture) {
   switch (gesture->type) {
     case kGestureTypeMove:
       OnGestureMove(gesture, &gesture->details.move);
       break;
     case kGestureTypeScroll:
       OnGestureScroll(gesture, &gesture->details.scroll);
       break;
     case kGestureTypeButtonsChange:
       OnGestureButtonsChange(gesture, &gesture->details.buttons);
@@ skipping 228 matching lines @@
       bool value = EvdevBitIsSet(evdev->key_state_bitmask, key);
 
       // Mouse buttons are handled by DispatchMouseButton.
       if (key >= BTN_MOUSE && key < BTN_JOYSTICK)
         continue;
 
       // Ignore digi buttons (e.g. BTN_TOOL_FINGER).
       if (key >= BTN_DIGI && key < BTN_WHEEL)
         continue;
 
+      KeyboardCode key_code = KeyboardEvdev::KeyboardCodeFromEvdevKey(key);
+      if (allowed_keys_ && !allowed_keys_->count(key_code))
+        continue;
+
       // Dispatch key press or release to keyboard.
       keyboard_->OnKeyChange(key, value);
     }
   }
 
   // Update internal key state.
   for (unsigned long i = 0; i < EVDEV_BITS_TO_LONGS(KEY_CNT); ++i)
     prev_key_state_[i] = evdev->key_state_bitmask[i];
 }
 
 }  // namespace ui