Restructure public side of input_events service.

mojo/services/public/interfaces/input_events/input_events.mojom

-// 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.
-
-module mojo;
-
-import "mojo/services/geometry/public/interfaces/geometry.mojom";
-import "mojo/services/public/interfaces/input_events/input_event_constants.mojom";
-import "mojo/services/public/interfaces/input_events/input_key_codes.mojom";
-
-struct LocationData {
-  Point? in_view_location;
-  Point? screen_location;
-};
-
-struct KeyData {
-  // The chromium event key code; these values are from the ui/ KeyCode enum,
-  // which has the fun property of being neither consistently the Windows key
-  // code, nor the X11 keycodes. (This value is consistent across platforms
-  // for basic ASCII characters; it will differ for modifiers. We don't define
-  // this as a mojo enum because mojom doesn't appear to have a platform
-  // dependent preprocessor yet.)
-  //
-  // TODO(erg): Remove this, and declare Win32 keycodes correct by fiat. We can
-  // not do this until we remove ui::Event usage from within mojo.
-  int32 key_code;
-
-  // Whether this is a character event, and the character value if it is. Note
-  // that this is different than |text|, which holds a value even when there
-  // isn't actually a character to insert. (For example, |text| will be set and
-  // have a value on backspace, and |character| won't.)
-  bool is_char;
-  uint16 character;
-
-  // The Win32 key code. Because of the web, this is the closest thing that we
-  // have to a cross platform key state.
-  KeyboardCode windows_key_code;
-
-  // The platform specific key code.
-  //
-  // TODO(erg): This exists only for NPAPI support, pepper USB keyboard support
-  // and IME on android support. Theoretically, we should be able to remove this
-  // in the medium to long term.
-  int32 native_key_code;
-
-  // The text generated by this keystroke. Corresponds to
-  // blink::WebKeyboardEvent::text.
-  uint16 text;
-
-  // Like |text|, but unmodified by concurrently held modifier keys (except
-  // shift). Corresponds to blink::WebKeyboardEvent::unmodifiedText.
-  uint16 unmodified_text;
-};
-
-struct TouchData {
-  int32 pointer_id;
-};
-
-struct MouseWheelData {
-  int32 x_offset;
-  int32 y_offset;
-};
-
-struct Event {
-  EventType action;
-  EventFlags flags;
-  int64 time_stamp;
-  LocationData? location_data;
-  KeyData? key_data;
-  TouchData? touch_data;
-  MouseWheelData? wheel_data;
-};