events: Move some files into ui/base/events/

ui/base/events.h

Index: ui/base/events.h
diff --git a/ui/base/events.h b/ui/base/events.h
deleted file mode 100644
index 891fc3245ace4c415faeb00c4d5ee791de347ccd..0000000000000000000000000000000000000000
--- a/ui/base/events.h
+++ /dev/null
@@ -1,231 +0,0 @@
-// 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_BASE_EVENTS_H_
-#define UI_BASE_EVENTS_H_
-
-#include "base/event_types.h"
-#include "ui/base/keycodes/keyboard_codes.h"
-#include "ui/gfx/native_widget_types.h"
-
-#if defined(OS_WIN)
-#include <windows.h>
-#endif
-
-namespace gfx {
-class Point;
-}
-
-namespace base {
-class TimeDelta;
-}
-
-namespace ui {
-
-// Event types. (prefixed because of a conflict with windows headers)
-enum EventType {
-  ET_UNKNOWN = 0,
-  ET_MOUSE_PRESSED,
-  ET_MOUSE_DRAGGED,
-  ET_MOUSE_RELEASED,
-  ET_MOUSE_MOVED,
-  ET_MOUSE_ENTERED,
-  ET_MOUSE_EXITED,
-  ET_KEY_PRESSED,
-  ET_KEY_RELEASED,
-  ET_MOUSEWHEEL,
-  ET_MOUSE_CAPTURE_CHANGED,  // Event has no location.
-  ET_TOUCH_RELEASED,
-  ET_TOUCH_PRESSED,
-  ET_TOUCH_MOVED,
-  ET_TOUCH_STATIONARY,
-  ET_TOUCH_CANCELLED,
-  ET_DROP_TARGET_EVENT,
-  ET_FOCUS_CHANGE,
-  ET_TRANSLATED_KEY_PRESS,
-  ET_TRANSLATED_KEY_RELEASE,
-
-  // GestureEvent types
-  ET_GESTURE_SCROLL_BEGIN,
-  ET_GESTURE_SCROLL_END,
-  ET_GESTURE_SCROLL_UPDATE,
-  ET_GESTURE_TAP,
-  ET_GESTURE_TAP_DOWN,
-  ET_GESTURE_BEGIN,  // Sent before any other gesture types.
-  ET_GESTURE_END,    // Sent after any other gestures.
-  ET_GESTURE_DOUBLE_TAP,
-  ET_GESTURE_TWO_FINGER_TAP,
-  ET_GESTURE_PINCH_BEGIN,
-  ET_GESTURE_PINCH_END,
-  ET_GESTURE_PINCH_UPDATE,
-  ET_GESTURE_LONG_PRESS,
-  // A SWIPE gesture can happen at the end of a TAP_UP gesture if the
-  // finger(s) were moving quickly before they are released.
-  ET_GESTURE_MULTIFINGER_SWIPE,
-
-  // Scroll support.
-  // TODO[davemoore] we need to unify these events w/ touch and gestures.
-  ET_SCROLL,
-  ET_SCROLL_FLING_START,
-  ET_SCROLL_FLING_CANCEL,
-};
-
-// Event flags currently supported
-enum EventFlags {
-  EF_NONE                = 0,       // Used to denote no flags explicitly
-  EF_CAPS_LOCK_DOWN      = 1 << 0,
-  EF_SHIFT_DOWN          = 1 << 1,
-  EF_CONTROL_DOWN        = 1 << 2,
-  EF_ALT_DOWN            = 1 << 3,
-  EF_LEFT_MOUSE_BUTTON   = 1 << 4,
-  EF_MIDDLE_MOUSE_BUTTON = 1 << 5,
-  EF_RIGHT_MOUSE_BUTTON  = 1 << 6,
-  EF_COMMAND_DOWN        = 1 << 7,  // Only useful on OSX
-  EF_EXTENDED            = 1 << 8,  // Windows extended key (see WM_KEYDOWN doc)
-};
-
-// Flags specific to mouse events
-enum MouseEventFlags {
-  EF_IS_DOUBLE_CLICK    = 1 << 16,
-  EF_IS_TRIPLE_CLICK    = 1 << 17,
-  EF_IS_NON_CLIENT      = 1 << 18,
-  EF_IS_SYNTHESIZED     = 1 << 19,  // Only for Aura.  See ui/aura/root_window.h
-  EF_FROM_TOUCH         = 1 << 20,  // Indicates this mouse event is generated
-                                    // from an unconsumed touch/gesture event.
-};
-
-// Result of dispatching an event.
-enum EventResult {
-  ER_UNHANDLED = 0,  // The event hasn't been handled. The event can be
-                     // propagated to other handlers.
-  ER_HANDLED,        // The event has already been handled, but it can still be
-                     // propagated to other handlers.
-  ER_CONSUMED,       // The event has been handled, and it should not be
-                     // propagated to other handlers.
-};
-
-enum TouchStatus {
-  TOUCH_STATUS_UNKNOWN = 0,  // Unknown touch status. This is used to indicate
-                             // that the touch event was not handled.
-  TOUCH_STATUS_START,        // The touch event initiated a touch sequence.
-  TOUCH_STATUS_CONTINUE,     // The touch event is part of a previously
-                             // started touch sequence.
-  TOUCH_STATUS_END,          // The touch event ended the touch sequence.
-  TOUCH_STATUS_SYNTH_MOUSE,  // The touch event was not processed, but a
-                             // synthetic mouse event generated from the
-                             // unused touch event was handled.
-  TOUCH_STATUS_QUEUED,       // The touch event has not been processed yet, but
-                             // may be processed asynchronously later. This also
-                             // places a lock on touch-events (i.e. all
-                             // subsequent touch-events should be sent to the
-                             // current handler).
-  TOUCH_STATUS_QUEUED_END,   // Similar to TOUCH_STATUS_QUEUED, except that
-                             // subsequent touch-events can be sent to any
-                             // handler.
-};
-
-// Updates the list of devices for cached properties.
-UI_EXPORT void UpdateDeviceList();
-
-// Get the EventType from a native event.
-UI_EXPORT EventType EventTypeFromNative(const base::NativeEvent& native_event);
-
-// Get the EventFlags from a native event.
-UI_EXPORT int EventFlagsFromNative(const base::NativeEvent& native_event);
-
-UI_EXPORT base::TimeDelta EventTimeFromNative(
-    const base::NativeEvent& native_event);
-
-// Get the location from a native event.  The coordinate system of the resultant
-// |Point| has the origin at top-left of the "root window".  The nature of
-// this "root window" and how it maps to platform-specific drawing surfaces is
-// defined in ui/aura/root_window.* and ui/aura/root_window_host*.
-UI_EXPORT gfx::Point EventLocationFromNative(
-    const base::NativeEvent& native_event);
-
-// Gets the location in native system coordinate space.
-UI_EXPORT gfx::Point EventSystemLocationFromNative(
-    const base::NativeEvent& native_event);
-
-#if defined(USE_X11)
-// Returns the 'real' button for an event. The button reported in slave events
-// does not take into account any remapping (e.g. using xmodmap), while the
-// button reported in master events do. This is a utility function to always
-// return the mapped button.
-UI_EXPORT int EventButtonFromNative(const base::NativeEvent& native_event);
-#endif
-
-// Returns the KeyboardCode from a native event.
-UI_EXPORT KeyboardCode KeyboardCodeFromNative(
-    const base::NativeEvent& native_event);
-
-// Returns true if the message is a mouse event.
-UI_EXPORT bool IsMouseEvent(const base::NativeEvent& native_event);
-
-// Returns the flags of the button that changed during a press/release.
-UI_EXPORT int GetChangedMouseButtonFlagsFromNative(
-    const base::NativeEvent& native_event);
-
-// Gets the mouse wheel offset from a native event.
-UI_EXPORT int GetMouseWheelOffset(const base::NativeEvent& native_event);
-
-// Gets the touch id from a native event.
-UI_EXPORT int GetTouchId(const base::NativeEvent& native_event);
-
-// Gets the radius along the X/Y axis from a native event. Default is 1.0.
-UI_EXPORT float GetTouchRadiusX(const base::NativeEvent& native_event);
-UI_EXPORT float GetTouchRadiusY(const base::NativeEvent& native_event);
-
-// Gets the angle of the major axis away from the X axis. Default is 0.0.
-UI_EXPORT float GetTouchAngle(const base::NativeEvent& native_event);
-
-// Gets the force from a native_event. Normalized to be [0, 1]. Default is 0.0.
-UI_EXPORT float GetTouchForce(const base::NativeEvent& native_event);
-
-// Gets the fling velocity from a native event. is_cancel is set to true if
-// this was a tap down, intended to stop an ongoing fling.
-UI_EXPORT bool GetFlingData(const base::NativeEvent& native_event,
-                            float* vx,
-                            float* vy,
-                            bool* is_cancel);
-
-// Returns whether this is a scroll event and optionally gets the amount to be
-// scrolled. |x_offset| and |y_offset| can be NULL.
-UI_EXPORT bool GetScrollOffsets(const base::NativeEvent& native_event,
-                                float* x_offset,
-                                float* y_offset);
-
-UI_EXPORT bool GetGestureTimes(const base::NativeEvent& native_event,
-                               double* start_time,
-                               double* end_time);
-
-// Enable/disable natural scrolling for touchpads.
-UI_EXPORT void SetNaturalScroll(bool enabled);
-
-// In natural scrolling enabled for touchpads?
-UI_EXPORT bool IsNaturalScrollEnabled();
-
-// Was this event generated by a touchpad device?
-// The caller is responsible for ensuring that this is a mouse/touchpad event
-// before calling this function.
-UI_EXPORT bool IsTouchpadEvent(const base::NativeEvent& event);
-
-// Returns true if event is noop.
-UI_EXPORT bool IsNoopEvent(const base::NativeEvent& event);
-
-// Creates and returns no-op event.
-UI_EXPORT base::NativeEvent CreateNoopEvent();
-
-#if defined(OS_WIN)
-UI_EXPORT int GetModifiersFromACCEL(const ACCEL& accel);
-UI_EXPORT int GetModifiersFromKeyState();
-
-// Returns true if |message| identifies a mouse event that was generated as the
-// result of a touch event.
-UI_EXPORT bool IsMouseEventFromTouch(UINT message);
-#endif
-
-}  // namespace ui
-
-#endif  // UI_BASE_EVENTS_H_