IME (input method editor) support for Aura, part 3 of 3: Use ui::InputMethod in ash.

ui/aura/event.cc

 // Copyright (c) 2011 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/aura/event.h"
 
 #if defined(USE_X11)
 #include <X11/Xlib.h>
 #endif
 
+#include <cstring>
+
 #include "ui/aura/window.h"
 #include "ui/base/keycodes/keyboard_code_conversion.h"
 #include "ui/gfx/point3.h"
 #include "ui/gfx/transform.h"
 
 #if defined(USE_X11)
 #include "ui/base/keycodes/keyboard_code_conversion_x.h"
 #endif
 
 #if !defined(OS_WIN)
@@ skipping 33 matching lines @@
 
 namespace aura {
 
 Event::~Event() {
 #if defined(USE_X11)
   if (delete_native_event_)
     delete native_event_;
 #endif
 }
 
+bool Event::HasNativeEvent() const {
+  base::NativeEvent null_event;
+  std::memset(&null_event, 0, sizeof(null_event));
+  return !!std::memcmp(&native_event_, &null_event, sizeof(null_event));
+}
+
 Event::Event(ui::EventType type, int flags)
     : type_(type),
       time_stamp_(base::Time::NowFromSystemTime()),
       flags_(flags),
       delete_native_event_(false) {
   Init();
 }
 
 Event::Event(const base::NativeEvent& native_event,
              ui::EventType type,
              int flags)
     : type_(type),
       time_stamp_(base::Time::NowFromSystemTime()),
       flags_(flags),
       delete_native_event_(false) {
   InitWithNativeEvent(native_event);
 }
 
 Event::Event(const Event& copy)
     : native_event_(copy.native_event_),
       type_(copy.type_),
       time_stamp_(copy.time_stamp_),
       flags_(copy.flags_),
       delete_native_event_(false) {
 }
 
 void Event::Init() {
-  memset(&native_event_, 0, sizeof(native_event_));
+  std::memset(&native_event_, 0, sizeof(native_event_));
 }
 
 void Event::InitWithNativeEvent(const base::NativeEvent& native_event) {
   native_event_ = native_event;
 }
 
 LocatedEvent::LocatedEvent(const base::NativeEvent& native_event)
     : Event(native_event,
             ui::EventTypeFromNative(native_event),
             ui::EventFlagsFromNative(native_event)),
@@ skipping 180 matching lines @@
 #endif
   return copy;
 }
 
 ScrollEvent::ScrollEvent(const base::NativeEvent& native_event)
     : MouseEvent(native_event) {
   ui::GetScrollOffsets(native_event, &x_offset_, &y_offset_);
 }
 
 }  // namespace aura