Split the event library into a cross-platform and native part. Part 1.

ui/events/event_utils.h

 // Copyright (c) 2012 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.
 
 #ifndef UI_EVENTS_EVENT_UTILS_H_
 #define UI_EVENTS_EVENT_UTILS_H_
 
 #include "base/basictypes.h"
 #include "base/event_types.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 18 matching lines @@
 }
 
 namespace ui {
 
 class Event;
 class MouseEvent;
 
 // Updates the list of devices for cached properties.
 EVENTS_EXPORT void UpdateDeviceList();
 
-// Returns a ui::Event wrapping a native event. Ownership of the returned value
-// is transferred to the caller.
-EVENTS_EXPORT scoped_ptr<Event> EventFromNative(
-    const base::NativeEvent& native_event);
-
 // Get the EventType from a native event.
 EVENTS_EXPORT EventType EventTypeFromNative(
     const base::NativeEvent& native_event);
 
 // Get the EventFlags from a native event.
 EVENTS_EXPORT int EventFlagsFromNative(const base::NativeEvent& native_event);
 
 // Get the timestamp from a native event.
 EVENTS_EXPORT base::TimeDelta EventTimeFromNative(
     const base::NativeEvent& native_event);
@@ skipping 44 matching lines @@
 EVENTS_EXPORT bool IsCharFromNative(const base::NativeEvent& native_event);
 
 // Returns the flags of the button that changed during a press/release.
 EVENTS_EXPORT int GetChangedMouseButtonFlagsFromNative(
     const base::NativeEvent& native_event);
 
 // Gets the mouse wheel offsets from a native event.
 EVENTS_EXPORT gfx::Vector2d GetMouseWheelOffset(
     const base::NativeEvent& native_event);
 
-// Returns a copy of |native_event|. Depending on the platform, this copy may
-// need to be deleted with ReleaseCopiedNativeEvent().
-base::NativeEvent CopyNativeEvent(
-    const base::NativeEvent& native_event);
-
-// Delete a |native_event| previously created by CopyNativeEvent().
-void ReleaseCopiedNativeEvent(
-    const base::NativeEvent& native_event);
-
 // Gets the touch id from a native event.
 EVENTS_EXPORT int GetTouchId(const base::NativeEvent& native_event);
 
 // Increases the number of times |ClearTouchIdIfReleased| needs to be called on
 // an event with a given touch id before it will actually be cleared.
 EVENTS_EXPORT void IncrementTouchIdRefCount(
     const base::NativeEvent& native_event);
 
 // Clear the touch id from bookkeeping if it is a release/cancel event.
 EVENTS_EXPORT void ClearTouchIdIfReleased(
@@ skipping 21 matching lines @@
 // Returns whether this is a scroll event and optionally gets the amount to be
 // scrolled. |x_offset|, |y_offset| and |finger_count| can be NULL.
 EVENTS_EXPORT bool GetScrollOffsets(const base::NativeEvent& native_event,
                                     float* x_offset,
                                     float* y_offset,
                                     float* x_offset_ordinal,
                                     float* y_offset_ordinal,
                                     int* finger_count);
 
 #if defined(OS_WIN)
-EVENTS_EXPORT int GetModifiersFromACCEL(const ACCEL& accel);
-EVENTS_EXPORT int GetModifiersFromKeyState();
-
 // Returns true if |message| identifies a mouse event that was generated as the
 // result of a touch event.
 EVENTS_EXPORT bool IsMouseEventFromTouch(UINT message);
 
 // Converts scan code and lParam each other.  The scan code
 // representing an extended key contains 0xE000 bits.
 EVENTS_EXPORT uint16 GetScanCodeFromLParam(LPARAM lParam);
 EVENTS_EXPORT LPARAM GetLParamFromScanCode(uint16 scan_code);
 
 #endif
 
-#if defined(USE_X11)
-// Update the native X11 event to correspond to the new flags.
-EVENTS_EXPORT void UpdateX11EventForFlags(Event* event);
-// Update the native X11 event to correspond to the new button flags.
-EVENTS_EXPORT void UpdateX11EventForChangedButtonFlags(MouseEvent* event);
-#endif
-
-// Registers a custom event type.
-EVENTS_EXPORT int RegisterCustomEventType();
-
 }  // namespace ui
 
 #endif  // UI_EVENTS_EVENT_UTILS_H_