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gecko/widget/nsGUIEvent.h
Wes Johnston 43680b21b4 Bug 603008 - Platform support for multitouch events. r=smaug 
* * *
Bug 603008 - Platform support for multitouch events.
* * *
ifdefandroid
2011-12-16 16:24:11 -08:00

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Makoto Kato <m_kato@ga2.so-net.ne.jp>
* Dean Tessman <dean_tessman@hotmail.com>
* Thomas K. Dyas <tdyas@zecador.org> (simple gestures support)
* Masayuki Nakano <masayuki@d-toybox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsGUIEvent_h__
#define nsGUIEvent_h__
#include "nsCOMArray.h"
#include "nsPoint.h"
#include "nsRect.h"
#include "nsRegion.h"
#include "nsEvent.h"
#include "nsStringGlue.h"
#include "nsCOMPtr.h"
#include "nsIAtom.h"
#include "nsIDOMKeyEvent.h"
#include "nsIDOMMouseEvent.h"
#include "nsIDOMDataTransfer.h"
#include "nsIDOMEventTarget.h"
#include "nsIDOMTouchEvent.h"
#include "nsWeakPtr.h"
#include "nsIWidget.h"
#include "nsTArray.h"
#include "nsTraceRefcnt.h"
#include "nsITransferable.h"
#include "nsIVariant.h"
#include "nsStyleConsts.h"
#include "nsAutoPtr.h"
namespace mozilla {
namespace dom {
class PBrowserParent;
class PBrowserChild;
}
namespace plugins {
class PPluginInstanceChild;
}
}
#ifdef ACCESSIBILITY
class nsAccessible;
#endif
class nsRenderingContext;
class nsIMenuItem;
class nsIContent;
class nsIURI;
class nsHashKey;
/**
* Event Struct Types
*/
#define NS_EVENT 1
#define NS_GUI_EVENT 2
#define NS_SIZE_EVENT 3
#define NS_SIZEMODE_EVENT 4
#define NS_ZLEVEL_EVENT 5
#define NS_PAINT_EVENT 6
#define NS_SCROLLBAR_EVENT 7
#define NS_INPUT_EVENT 8
#define NS_KEY_EVENT 9
#define NS_MOUSE_EVENT 10
#define NS_SCRIPT_ERROR_EVENT 12
#define NS_TEXT_EVENT 13
#define NS_COMPOSITION_EVENT 14
#define NS_MOUSE_SCROLL_EVENT 16
#define NS_SCROLLPORT_EVENT 18
#define NS_MUTATION_EVENT 19 // |nsMutationEvent| in content
#define NS_ACCESSIBLE_EVENT 20
#define NS_FORM_EVENT 21
#define NS_FOCUS_EVENT 22
#define NS_POPUP_EVENT 23
#define NS_COMMAND_EVENT 24
#define NS_SCROLLAREA_EVENT 25
#define NS_TRANSITION_EVENT 26
#define NS_ANIMATION_EVENT 27
#define NS_UI_EVENT 28
#define NS_SVG_EVENT 30
#define NS_SVGZOOM_EVENT 31
#define NS_SMIL_TIME_EVENT 32
#define NS_QUERY_CONTENT_EVENT 33
#define NS_DRAG_EVENT 35
#define NS_NOTIFYPAINT_EVENT 36
#define NS_SIMPLE_GESTURE_EVENT 37
#define NS_SELECTION_EVENT 38
#define NS_CONTENT_COMMAND_EVENT 39
#define NS_GESTURENOTIFY_EVENT 40
#define NS_UISTATECHANGE_EVENT 41
#define NS_MOZTOUCH_EVENT 42
#define NS_PLUGIN_EVENT 43
#define NS_TOUCH_EVENT 44
// These flags are sort of a mess. They're sort of shared between event
// listener flags and event flags, but only some of them. You've been
// warned!
#define NS_EVENT_FLAG_NONE 0x0000
#define NS_EVENT_FLAG_TRUSTED 0x0001
#define NS_EVENT_FLAG_BUBBLE 0x0002
#define NS_EVENT_FLAG_CAPTURE 0x0004
#define NS_EVENT_FLAG_STOP_DISPATCH 0x0008
#define NS_EVENT_FLAG_NO_DEFAULT 0x0010
#define NS_EVENT_FLAG_CANT_CANCEL 0x0020
#define NS_EVENT_FLAG_CANT_BUBBLE 0x0040
#define NS_PRIV_EVENT_FLAG_SCRIPT 0x0080
#define NS_EVENT_FLAG_NO_CONTENT_DISPATCH 0x0100
#define NS_EVENT_FLAG_SYSTEM_EVENT 0x0200
// Event has been dispatched at least once
#define NS_EVENT_DISPATCHED 0x0400
#define NS_EVENT_FLAG_DISPATCHING 0x0800
// When an event is synthesized for testing, this flag will be set.
// Note that this is currently used only with mouse events, because this
// flag is not needed on other events now. It could be added to other
// events.
#define NS_EVENT_FLAG_SYNTHETIC_TEST_EVENT 0x1000
// Use this flag if the event should be dispatched only to chrome.
#define NS_EVENT_FLAG_ONLY_CHROME_DISPATCH 0x2000
// A flag for drag&drop handling.
#define NS_EVENT_FLAG_NO_DEFAULT_CALLED_IN_CONTENT 0x4000
#define NS_PRIV_EVENT_UNTRUSTED_PERMITTED 0x8000
#define NS_EVENT_FLAG_EXCEPTION_THROWN 0x10000
#define NS_EVENT_FLAG_PREVENT_MULTIPLE_ACTIONS 0x20000
#define NS_EVENT_RETARGET_TO_NON_NATIVE_ANONYMOUS 0x40000
#define NS_EVENT_FLAG_STOP_DISPATCH_IMMEDIATELY 0x80000
#define NS_EVENT_CAPTURE_MASK (~(NS_EVENT_FLAG_BUBBLE | NS_EVENT_FLAG_NO_CONTENT_DISPATCH))
#define NS_EVENT_BUBBLE_MASK (~(NS_EVENT_FLAG_CAPTURE | NS_EVENT_FLAG_NO_CONTENT_DISPATCH))
#define NS_EVENT_TYPE_NULL 0
/**
* GUI MESSAGES
*/
//@{
#define NS_EVENT_NULL 0
#define NS_WINDOW_START 100
// Widget is being created
#define NS_CREATE (NS_WINDOW_START)
// Widget may be destroyed
#define NS_XUL_CLOSE (NS_WINDOW_START + 1)
// Widget is being destroyed
#define NS_DESTROY (NS_WINDOW_START + 2)
// Widget was resized
#define NS_SIZE (NS_WINDOW_START + 3)
// Widget size mode was changed
#define NS_SIZEMODE (NS_WINDOW_START + 4)
// Widget got activated
#define NS_ACTIVATE (NS_WINDOW_START + 7)
// Widget got deactivated
#define NS_DEACTIVATE (NS_WINDOW_START + 8)
// top-level window z-level change request
#define NS_SETZLEVEL (NS_WINDOW_START + 9)
// Widget was repainted (dispatched when it's safe to move widgets, but
// only on some platforms (including GTK2 and Windows))
#define NS_DID_PAINT (NS_WINDOW_START + 28)
// Widget will need to be painted
#define NS_WILL_PAINT (NS_WINDOW_START + 29)
// Widget needs to be repainted
#define NS_PAINT (NS_WINDOW_START + 30)
// Key is pressed within a window
#define NS_KEY_PRESS (NS_WINDOW_START + 31)
// Key is released within a window
#define NS_KEY_UP (NS_WINDOW_START + 32)
// Key is pressed within a window
#define NS_KEY_DOWN (NS_WINDOW_START + 33)
// Window has been moved to a new location.
// The events point contains the x, y location in screen coordinates
#define NS_MOVE (NS_WINDOW_START + 34)
// Tab control's selected tab has changed
#define NS_TABCHANGE (NS_WINDOW_START + 35)
#define NS_OS_TOOLBAR (NS_WINDOW_START + 36)
// Indicates the display has changed depth
#define NS_DISPLAYCHANGED (NS_WINDOW_START + 40)
// Indicates a theme change has occurred
#define NS_THEMECHANGED (NS_WINDOW_START + 41)
// Indicates a System color has changed. It is the platform
// toolkits responsibility to invalidate the window to
// ensure that it is drawn using the current system colors.
#define NS_SYSCOLORCHANGED (NS_WINDOW_START + 42)
// Indicates that the ui state such as whether to show focus or
// keyboard accelerator indicators has changed.
#define NS_UISTATECHANGED (NS_WINDOW_START + 43)
// Done sizing or moving a window, so ensure that the mousedown state was cleared.
#define NS_DONESIZEMOVE (NS_WINDOW_START + 44)
#define NS_RESIZE_EVENT (NS_WINDOW_START + 60)
#define NS_SCROLL_EVENT (NS_WINDOW_START + 61)
// A plugin was clicked or otherwise focused. NS_PLUGIN_ACTIVATE should be
// used when the window is not active. NS_PLUGIN_FOCUS should be used when
// the window is active. In the latter case, the dispatcher of the event
// is expected to ensure that the plugin's widget is focused beforehand.
#define NS_PLUGIN_ACTIVATE (NS_WINDOW_START + 62)
#define NS_PLUGIN_FOCUS (NS_WINDOW_START + 63)
#define NS_OFFLINE (NS_WINDOW_START + 64)
#define NS_ONLINE (NS_WINDOW_START + 65)
// Indicates a resize will occur
#define NS_BEFORERESIZE_EVENT (NS_WINDOW_START + 66)
#define NS_MOUSE_MESSAGE_START 300
#define NS_MOUSE_MOVE (NS_MOUSE_MESSAGE_START)
#define NS_MOUSE_BUTTON_UP (NS_MOUSE_MESSAGE_START + 1)
#define NS_MOUSE_BUTTON_DOWN (NS_MOUSE_MESSAGE_START + 2)
#define NS_MOUSE_ENTER (NS_MOUSE_MESSAGE_START + 22)
#define NS_MOUSE_EXIT (NS_MOUSE_MESSAGE_START + 23)
#define NS_MOUSE_DOUBLECLICK (NS_MOUSE_MESSAGE_START + 24)
#define NS_MOUSE_CLICK (NS_MOUSE_MESSAGE_START + 27)
#define NS_MOUSE_ACTIVATE (NS_MOUSE_MESSAGE_START + 30)
#define NS_MOUSE_ENTER_SYNTH (NS_MOUSE_MESSAGE_START + 31)
#define NS_MOUSE_EXIT_SYNTH (NS_MOUSE_MESSAGE_START + 32)
#define NS_MOUSE_MOZHITTEST (NS_MOUSE_MESSAGE_START + 33)
#define NS_MOUSEENTER (NS_MOUSE_MESSAGE_START + 34)
#define NS_MOUSELEAVE (NS_MOUSE_MESSAGE_START + 35)
#define NS_CONTEXTMENU_MESSAGE_START 500
#define NS_CONTEXTMENU (NS_CONTEXTMENU_MESSAGE_START)
#define NS_SCROLLBAR_MESSAGE_START 1000
#define NS_SCROLLBAR_POS (NS_SCROLLBAR_MESSAGE_START)
#define NS_SCROLLBAR_PAGE_NEXT (NS_SCROLLBAR_MESSAGE_START + 1)
#define NS_SCROLLBAR_PAGE_PREV (NS_SCROLLBAR_MESSAGE_START + 2)
#define NS_SCROLLBAR_LINE_NEXT (NS_SCROLLBAR_MESSAGE_START + 3)
#define NS_SCROLLBAR_LINE_PREV (NS_SCROLLBAR_MESSAGE_START + 4)
#define NS_STREAM_EVENT_START 1100
#define NS_LOAD (NS_STREAM_EVENT_START)
#define NS_PAGE_UNLOAD (NS_STREAM_EVENT_START + 1)
#define NS_HASHCHANGE (NS_STREAM_EVENT_START + 2)
#define NS_IMAGE_ABORT (NS_STREAM_EVENT_START + 3)
#define NS_LOAD_ERROR (NS_STREAM_EVENT_START + 4)
#define NS_POPSTATE (NS_STREAM_EVENT_START + 5)
#define NS_BEFORE_PAGE_UNLOAD (NS_STREAM_EVENT_START + 6)
#define NS_PAGE_RESTORE (NS_STREAM_EVENT_START + 7)
#define NS_READYSTATECHANGE (NS_STREAM_EVENT_START + 8)
#define NS_FORM_EVENT_START 1200
#define NS_FORM_SUBMIT (NS_FORM_EVENT_START)
#define NS_FORM_RESET (NS_FORM_EVENT_START + 1)
#define NS_FORM_CHANGE (NS_FORM_EVENT_START + 2)
#define NS_FORM_SELECTED (NS_FORM_EVENT_START + 3)
#define NS_FORM_INPUT (NS_FORM_EVENT_START + 4)
#define NS_FORM_INVALID (NS_FORM_EVENT_START + 5)
//Need separate focus/blur notifications for non-native widgets
#define NS_FOCUS_EVENT_START 1300
#define NS_FOCUS_CONTENT (NS_FOCUS_EVENT_START)
#define NS_BLUR_CONTENT (NS_FOCUS_EVENT_START + 1)
#define NS_DRAGDROP_EVENT_START 1400
#define NS_DRAGDROP_ENTER (NS_DRAGDROP_EVENT_START)
#define NS_DRAGDROP_OVER (NS_DRAGDROP_EVENT_START + 1)
#define NS_DRAGDROP_EXIT (NS_DRAGDROP_EVENT_START + 2)
#define NS_DRAGDROP_DRAGDROP (NS_DRAGDROP_EVENT_START + 3)
#define NS_DRAGDROP_GESTURE (NS_DRAGDROP_EVENT_START + 4)
#define NS_DRAGDROP_DRAG (NS_DRAGDROP_EVENT_START + 5)
#define NS_DRAGDROP_END (NS_DRAGDROP_EVENT_START + 6)
#define NS_DRAGDROP_START (NS_DRAGDROP_EVENT_START + 7)
#define NS_DRAGDROP_DROP (NS_DRAGDROP_EVENT_START + 8)
#define NS_DRAGDROP_OVER_SYNTH (NS_DRAGDROP_EVENT_START + 1)
#define NS_DRAGDROP_EXIT_SYNTH (NS_DRAGDROP_EVENT_START + 2)
#define NS_DRAGDROP_LEAVE_SYNTH (NS_DRAGDROP_EVENT_START + 9)
// Events for popups
#define NS_XUL_EVENT_START 1500
#define NS_XUL_POPUP_SHOWING (NS_XUL_EVENT_START)
#define NS_XUL_POPUP_SHOWN (NS_XUL_EVENT_START+1)
#define NS_XUL_POPUP_HIDING (NS_XUL_EVENT_START+2)
#define NS_XUL_POPUP_HIDDEN (NS_XUL_EVENT_START+3)
// NS_XUL_COMMAND used to be here (NS_XUL_EVENT_START+4)
#define NS_XUL_BROADCAST (NS_XUL_EVENT_START+5)
#define NS_XUL_COMMAND_UPDATE (NS_XUL_EVENT_START+6)
//@}
// Scroll events
#define NS_MOUSE_SCROLL_START 1600
#define NS_MOUSE_SCROLL (NS_MOUSE_SCROLL_START)
#define NS_MOUSE_PIXEL_SCROLL (NS_MOUSE_SCROLL_START + 1)
#define NS_SCROLLPORT_START 1700
#define NS_SCROLLPORT_UNDERFLOW (NS_SCROLLPORT_START)
#define NS_SCROLLPORT_OVERFLOW (NS_SCROLLPORT_START+1)
#define NS_SCROLLPORT_OVERFLOWCHANGED (NS_SCROLLPORT_START+2)
// Mutation events defined elsewhere starting at 1800
// accessible events
#define NS_ACCESSIBLE_START 1900
#define NS_GETACCESSIBLE (NS_ACCESSIBLE_START)
#define NS_USER_DEFINED_EVENT 2000
// composition events
#define NS_COMPOSITION_EVENT_START 2200
#define NS_COMPOSITION_START (NS_COMPOSITION_EVENT_START)
#define NS_COMPOSITION_END (NS_COMPOSITION_EVENT_START + 1)
#define NS_COMPOSITION_UPDATE (NS_COMPOSITION_EVENT_START + 2)
// text events
#define NS_TEXT_START 2400
#define NS_TEXT_TEXT (NS_TEXT_START)
// UI events
#define NS_UI_EVENT_START 2500
// this is not to be confused with NS_ACTIVATE!
#define NS_UI_ACTIVATE (NS_UI_EVENT_START)
#define NS_UI_FOCUSIN (NS_UI_EVENT_START + 1)
#define NS_UI_FOCUSOUT (NS_UI_EVENT_START + 2)
// pagetransition events
#define NS_PAGETRANSITION_START 2700
#define NS_PAGE_SHOW (NS_PAGETRANSITION_START + 1)
#define NS_PAGE_HIDE (NS_PAGETRANSITION_START + 2)
// SVG events
#define NS_SVG_EVENT_START 2800
#define NS_SVG_LOAD (NS_SVG_EVENT_START)
#define NS_SVG_UNLOAD (NS_SVG_EVENT_START + 1)
#define NS_SVG_ABORT (NS_SVG_EVENT_START + 2)
#define NS_SVG_ERROR (NS_SVG_EVENT_START + 3)
#define NS_SVG_RESIZE (NS_SVG_EVENT_START + 4)
#define NS_SVG_SCROLL (NS_SVG_EVENT_START + 5)
// SVG Zoom events
#define NS_SVGZOOM_EVENT_START 2900
#define NS_SVG_ZOOM (NS_SVGZOOM_EVENT_START)
// XUL command events
#define NS_XULCOMMAND_EVENT_START 3000
#define NS_XUL_COMMAND (NS_XULCOMMAND_EVENT_START)
// Cut, copy, paste events
#define NS_CUTCOPYPASTE_EVENT_START 3100
#define NS_COPY (NS_CUTCOPYPASTE_EVENT_START)
#define NS_CUT (NS_CUTCOPYPASTE_EVENT_START + 1)
#define NS_PASTE (NS_CUTCOPYPASTE_EVENT_START + 2)
// Query the content information
#define NS_QUERY_CONTENT_EVENT_START 3200
// Query for the selected text information, it return the selection offset,
// selection length and selected text.
#define NS_QUERY_SELECTED_TEXT (NS_QUERY_CONTENT_EVENT_START)
// Query for the text content of specified range, it returns actual lengh (if
// the specified range is too long) and the text of the specified range.
// Returns the entire text if requested length > actual length.
#define NS_QUERY_TEXT_CONTENT (NS_QUERY_CONTENT_EVENT_START + 1)
// Query for the caret rect of nth insertion point. The offset of the result is
// relative position from the top level widget.
#define NS_QUERY_CARET_RECT (NS_QUERY_CONTENT_EVENT_START + 3)
// Query for the bounding rect of a range of characters. This works on any
// valid character range given offset and length. Result is relative to top
// level widget coordinates
#define NS_QUERY_TEXT_RECT (NS_QUERY_CONTENT_EVENT_START + 4)
// Query for the bounding rect of the current focused frame. Result is relative
// to top level widget coordinates
#define NS_QUERY_EDITOR_RECT (NS_QUERY_CONTENT_EVENT_START + 5)
// Query for the current state of the content. The particular members of
// mReply that are set for each query content event will be valid on success.
#define NS_QUERY_CONTENT_STATE (NS_QUERY_CONTENT_EVENT_START + 6)
// Query for the selection in the form of a nsITransferable.
#define NS_QUERY_SELECTION_AS_TRANSFERABLE (NS_QUERY_CONTENT_EVENT_START + 7)
// Query for character at a point. This returns the character offset and its
// rect. The point is specified by nsEvent::refPoint.
#define NS_QUERY_CHARACTER_AT_POINT (NS_QUERY_CONTENT_EVENT_START + 8)
// Query if the DOM element under nsEvent::refPoint belongs to our widget
// or not.
#define NS_QUERY_DOM_WIDGET_HITTEST (NS_QUERY_CONTENT_EVENT_START + 9)
// Query for some information about mouse wheel event's target
// XXX This is used only for supporting high resolution mouse scroll on Windows
// and it's going to be reimplemented with another approach. At that time,
// this even is going to be removed. Therefore, DON'T use this event for
// other purpose.
#define NS_QUERY_SCROLL_TARGET_INFO (NS_QUERY_CONTENT_EVENT_START + 99)
// Video events
#define NS_MEDIA_EVENT_START 3300
#define NS_LOADSTART (NS_MEDIA_EVENT_START)
#define NS_PROGRESS (NS_MEDIA_EVENT_START+1)
#define NS_SUSPEND (NS_MEDIA_EVENT_START+2)
#define NS_EMPTIED (NS_MEDIA_EVENT_START+3)
#define NS_STALLED (NS_MEDIA_EVENT_START+4)
#define NS_PLAY (NS_MEDIA_EVENT_START+5)
#define NS_PAUSE (NS_MEDIA_EVENT_START+6)
#define NS_LOADEDMETADATA (NS_MEDIA_EVENT_START+7)
#define NS_LOADEDDATA (NS_MEDIA_EVENT_START+8)
#define NS_WAITING (NS_MEDIA_EVENT_START+9)
#define NS_PLAYING (NS_MEDIA_EVENT_START+10)
#define NS_CANPLAY (NS_MEDIA_EVENT_START+11)
#define NS_CANPLAYTHROUGH (NS_MEDIA_EVENT_START+12)
#define NS_SEEKING (NS_MEDIA_EVENT_START+13)
#define NS_SEEKED (NS_MEDIA_EVENT_START+14)
#define NS_TIMEUPDATE (NS_MEDIA_EVENT_START+15)
#define NS_ENDED (NS_MEDIA_EVENT_START+16)
#define NS_RATECHANGE (NS_MEDIA_EVENT_START+17)
#define NS_DURATIONCHANGE (NS_MEDIA_EVENT_START+18)
#define NS_VOLUMECHANGE (NS_MEDIA_EVENT_START+19)
#define NS_MOZAUDIOAVAILABLE (NS_MEDIA_EVENT_START+20)
// paint notification events
#define NS_NOTIFYPAINT_START 3400
#define NS_AFTERPAINT (NS_NOTIFYPAINT_START)
// Simple gesture events
#define NS_SIMPLE_GESTURE_EVENT_START 3500
#define NS_SIMPLE_GESTURE_SWIPE (NS_SIMPLE_GESTURE_EVENT_START)
#define NS_SIMPLE_GESTURE_MAGNIFY_START (NS_SIMPLE_GESTURE_EVENT_START+1)
#define NS_SIMPLE_GESTURE_MAGNIFY_UPDATE (NS_SIMPLE_GESTURE_EVENT_START+2)
#define NS_SIMPLE_GESTURE_MAGNIFY (NS_SIMPLE_GESTURE_EVENT_START+3)
#define NS_SIMPLE_GESTURE_ROTATE_START (NS_SIMPLE_GESTURE_EVENT_START+4)
#define NS_SIMPLE_GESTURE_ROTATE_UPDATE (NS_SIMPLE_GESTURE_EVENT_START+5)
#define NS_SIMPLE_GESTURE_ROTATE (NS_SIMPLE_GESTURE_EVENT_START+6)
#define NS_SIMPLE_GESTURE_TAP (NS_SIMPLE_GESTURE_EVENT_START+7)
#define NS_SIMPLE_GESTURE_PRESSTAP (NS_SIMPLE_GESTURE_EVENT_START+8)
// These are used to send native events to plugins.
#define NS_PLUGIN_EVENT_START 3600
#define NS_PLUGIN_INPUT_EVENT (NS_PLUGIN_EVENT_START)
#define NS_PLUGIN_FOCUS_EVENT (NS_PLUGIN_EVENT_START+1)
// Events to manipulate selection (nsSelectionEvent)
#define NS_SELECTION_EVENT_START 3700
// Clear any previous selection and set the given range as the selection
#define NS_SELECTION_SET (NS_SELECTION_EVENT_START)
// Events of commands for the contents
#define NS_CONTENT_COMMAND_EVENT_START 3800
#define NS_CONTENT_COMMAND_CUT (NS_CONTENT_COMMAND_EVENT_START)
#define NS_CONTENT_COMMAND_COPY (NS_CONTENT_COMMAND_EVENT_START+1)
#define NS_CONTENT_COMMAND_PASTE (NS_CONTENT_COMMAND_EVENT_START+2)
#define NS_CONTENT_COMMAND_DELETE (NS_CONTENT_COMMAND_EVENT_START+3)
#define NS_CONTENT_COMMAND_UNDO (NS_CONTENT_COMMAND_EVENT_START+4)
#define NS_CONTENT_COMMAND_REDO (NS_CONTENT_COMMAND_EVENT_START+5)
#define NS_CONTENT_COMMAND_PASTE_TRANSFERABLE (NS_CONTENT_COMMAND_EVENT_START+6)
// NS_CONTENT_COMMAND_SCROLL scrolls the nearest scrollable element to the
// currently focused content or latest DOM selection. This would normally be
// the same element scrolled by keyboard scroll commands, except that this event
// will scroll an element scrollable in either direction. I.e., if the nearest
// scrollable ancestor element can only be scrolled vertically, and horizontal
// scrolling is requested using this event, no scrolling will occur.
#define NS_CONTENT_COMMAND_SCROLL (NS_CONTENT_COMMAND_EVENT_START+7)
// Event to gesture notification
#define NS_GESTURENOTIFY_EVENT_START 3900
#define NS_ORIENTATION_EVENT 4000
#define NS_SCROLLAREA_EVENT_START 4100
#define NS_SCROLLEDAREACHANGED (NS_SCROLLAREA_EVENT_START)
#define NS_TRANSITION_EVENT_START 4200
#define NS_TRANSITION_END (NS_TRANSITION_EVENT_START)
#define NS_ANIMATION_EVENT_START 4250
#define NS_ANIMATION_START (NS_ANIMATION_EVENT_START)
#define NS_ANIMATION_END (NS_ANIMATION_EVENT_START + 1)
#define NS_ANIMATION_ITERATION (NS_ANIMATION_EVENT_START + 2)
#define NS_SMIL_TIME_EVENT_START 4300
#define NS_SMIL_BEGIN (NS_SMIL_TIME_EVENT_START)
#define NS_SMIL_END (NS_SMIL_TIME_EVENT_START + 1)
#define NS_SMIL_REPEAT (NS_SMIL_TIME_EVENT_START + 2)
#define NS_MOZTOUCH_EVENT_START 4400
#define NS_MOZTOUCH_DOWN (NS_MOZTOUCH_EVENT_START)
#define NS_MOZTOUCH_MOVE (NS_MOZTOUCH_EVENT_START+1)
#define NS_MOZTOUCH_UP (NS_MOZTOUCH_EVENT_START+2)
// script notification events
#define NS_NOTIFYSCRIPT_START 4500
#define NS_BEFORE_SCRIPT_EXECUTE (NS_NOTIFYSCRIPT_START)
#define NS_AFTER_SCRIPT_EXECUTE (NS_NOTIFYSCRIPT_START+1)
#define NS_PRINT_EVENT_START 4600
#define NS_BEFOREPRINT (NS_PRINT_EVENT_START)
#define NS_AFTERPRINT (NS_PRINT_EVENT_START + 1)
#define NS_MESSAGE_EVENT_START 4700
#define NS_MESSAGE (NS_MESSAGE_EVENT_START)
// Open and close events
#define NS_OPENCLOSE_EVENT_START 4800
#define NS_OPEN (NS_OPENCLOSE_EVENT_START)
#define NS_CLOSE (NS_OPENCLOSE_EVENT_START+1)
// Device motion and orientation
#define NS_DEVICE_ORIENTATION_START 4900
#define NS_DEVICE_ORIENTATION (NS_DEVICE_ORIENTATION_START)
#define NS_DEVICE_MOTION (NS_DEVICE_ORIENTATION_START+1)
#define NS_SHOW_EVENT 5000
// Fullscreen DOM API
#define NS_FULL_SCREEN_START 5100
#define NS_FULLSCREENCHANGE (NS_FULL_SCREEN_START)
#define NS_FULLSCREENERROR (NS_FULL_SCREEN_START + 1)
#define NS_TOUCH_EVENT_START 5200
#define NS_TOUCH_START (NS_TOUCH_EVENT_START)
#define NS_TOUCH_MOVE (NS_TOUCH_EVENT_START+1)
#define NS_TOUCH_END (NS_TOUCH_EVENT_START+2)
#define NS_TOUCH_ENTER (NS_TOUCH_EVENT_START+3)
#define NS_TOUCH_LEAVE (NS_TOUCH_EVENT_START+4)
#define NS_TOUCH_CANCEL (NS_TOUCH_EVENT_START+5)
/**
* Return status for event processors, nsEventStatus, is defined in
* nsEvent.h.
*/
/**
* different types of (top-level) window z-level positioning
*/
enum nsWindowZ {
nsWindowZTop = 0, // on top
nsWindowZBottom, // on bottom
nsWindowZRelative // just below some specified widget
};
/**
* General event
*/
class nsEvent
{
protected:
nsEvent(bool isTrusted, PRUint32 msg, PRUint8 structType)
: eventStructType(structType),
message(msg),
refPoint(0, 0),
time(0),
flags(isTrusted ? NS_EVENT_FLAG_TRUSTED : NS_EVENT_FLAG_NONE),
userType(0)
{
MOZ_COUNT_CTOR(nsEvent);
}
nsEvent()
{
}
public:
nsEvent(bool isTrusted, PRUint32 msg)
: eventStructType(NS_EVENT),
message(msg),
refPoint(0, 0),
time(0),
flags(isTrusted ? NS_EVENT_FLAG_TRUSTED : NS_EVENT_FLAG_NONE),
userType(0)
{
MOZ_COUNT_CTOR(nsEvent);
}
~nsEvent()
{
MOZ_COUNT_DTOR(nsEvent);
}
// See event struct types
PRUint8 eventStructType;
// See GUI MESSAGES,
PRUint32 message;
// Relative to the widget of the event, or if there is no widget then it is
// in screen coordinates. Not modified by layout code.
nsIntPoint refPoint;
// Elapsed time, in milliseconds, from a platform-specific zero time
// to the time the message was created
PRUint64 time;
// Flags to hold event flow stage and capture/bubble cancellation
// status. This is used also to indicate whether the event is trusted.
PRUint32 flags;
// Additional type info for user defined events
nsCOMPtr<nsIAtom> userType;
// Event targets, needed by DOM Events
nsCOMPtr<nsIDOMEventTarget> target;
nsCOMPtr<nsIDOMEventTarget> currentTarget;
nsCOMPtr<nsIDOMEventTarget> originalTarget;
};
/**
* General graphic user interface event
*/
class nsGUIEvent : public nsEvent
{
protected:
nsGUIEvent(bool isTrusted, PRUint32 msg, nsIWidget *w, PRUint8 structType)
: nsEvent(isTrusted, msg, structType),
widget(w), pluginEvent(nsnull)
{
}
nsGUIEvent()
: pluginEvent(nsnull)
{
}
public:
nsGUIEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsEvent(isTrusted, msg, NS_GUI_EVENT),
widget(w), pluginEvent(nsnull)
{
}
/// Originator of the event
nsCOMPtr<nsIWidget> widget;
/// Event for NPAPI plugin
void* pluginEvent;
};
/**
* Script error event
*/
class nsScriptErrorEvent : public nsEvent
{
public:
nsScriptErrorEvent(bool isTrusted, PRUint32 msg)
: nsEvent(isTrusted, msg, NS_SCRIPT_ERROR_EVENT),
lineNr(0), errorMsg(nsnull), fileName(nsnull)
{
}
PRInt32 lineNr;
const PRUnichar* errorMsg;
const PRUnichar* fileName;
};
/**
* Window resize event
*/
class nsSizeEvent : public nsGUIEvent
{
public:
nsSizeEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsGUIEvent(isTrusted, msg, w, NS_SIZE_EVENT),
windowSize(nsnull), mWinWidth(0), mWinHeight(0)
{
}
/// x,y width, height in pixels (client area)
nsIntRect *windowSize;
/// width of entire window (in pixels)
PRInt32 mWinWidth;
/// height of entire window (in pixels)
PRInt32 mWinHeight;
};
/**
* Window size mode event
*/
class nsSizeModeEvent : public nsGUIEvent
{
public:
nsSizeModeEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsGUIEvent(isTrusted, msg, w, NS_SIZEMODE_EVENT),
mSizeMode(nsSizeMode_Normal)
{
}
nsSizeMode mSizeMode;
};
/**
* Window z-level event
*/
class nsZLevelEvent : public nsGUIEvent
{
public:
nsZLevelEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsGUIEvent(isTrusted, msg, w, NS_ZLEVEL_EVENT),
mPlacement(nsWindowZTop), mReqBelow(nsnull), mActualBelow(nsnull),
mImmediate(false), mAdjusted(false)
{
}
nsWindowZ mPlacement;
nsIWidget *mReqBelow, // widget we request being below, if any
*mActualBelow; // widget to be below, returned by handler
bool mImmediate, // handler should make changes immediately
mAdjusted; // handler changed placement
};
/**
* Window repaint event
*/
class nsPaintEvent : public nsGUIEvent
{
public:
nsPaintEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsGUIEvent(isTrusted, msg, w, NS_PAINT_EVENT),
willSendDidPaint(false),
didSendWillPaint(false)
{
}
// area that needs repainting
nsIntRegion region;
bool willSendDidPaint;
bool didSendWillPaint;
};
/**
* Scrollbar event
*/
class nsScrollbarEvent : public nsGUIEvent
{
public:
nsScrollbarEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsGUIEvent(isTrusted, msg, w, NS_SCROLLBAR_EVENT),
position(0)
{
}
/// ranges between scrollbar 0 and (maxRange - thumbSize). See nsIScrollbar
PRUint32 position;
};
class nsScrollPortEvent : public nsGUIEvent
{
public:
enum orientType {
vertical = 0,
horizontal = 1,
both = 2
};
nsScrollPortEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsGUIEvent(isTrusted, msg, w, NS_SCROLLPORT_EVENT),
orient(vertical)
{
}
orientType orient;
};
class nsScrollAreaEvent : public nsGUIEvent
{
public:
nsScrollAreaEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsGUIEvent(isTrusted, msg, w, NS_SCROLLAREA_EVENT)
{
}
nsRect mArea;
};
class nsInputEvent : public nsGUIEvent
{
protected:
nsInputEvent(bool isTrusted, PRUint32 msg, nsIWidget *w,
PRUint8 structType)
: nsGUIEvent(isTrusted, msg, w, structType),
isShift(false), isControl(false), isAlt(false), isMeta(false)
{
}
nsInputEvent()
{
}
public:
nsInputEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsGUIEvent(isTrusted, msg, w, NS_INPUT_EVENT),
isShift(false), isControl(false), isAlt(false), isMeta(false)
{
}
/// true indicates the shift key is down
bool isShift;
/// true indicates the control key is down
bool isControl;
/// true indicates the alt key is down
bool isAlt;
/// true indicates the meta key is down (or, on Mac, the Command key)
bool isMeta;
};
/**
* Mouse event
*/
class nsMouseEvent_base : public nsInputEvent
{
private:
friend class mozilla::dom::PBrowserParent;
friend class mozilla::dom::PBrowserChild;
public:
nsMouseEvent_base()
{
}
nsMouseEvent_base(bool isTrusted, PRUint32 msg, nsIWidget *w, PRUint8 type)
: nsInputEvent(isTrusted, msg, w, type), button(0), pressure(0)
, inputSource(nsIDOMMouseEvent::MOZ_SOURCE_MOUSE) {}
/// The possible related target
nsCOMPtr<nsISupports> relatedTarget;
PRInt16 button;
// Finger or touch pressure of event
// ranges between 0.0 and 1.0
float pressure;
// Possible values at nsIDOMMouseEvent
PRUint16 inputSource;
};
class nsMouseEvent : public nsMouseEvent_base
{
private:
friend class mozilla::dom::PBrowserParent;
friend class mozilla::dom::PBrowserChild;
public:
enum buttonType { eLeftButton = 0, eMiddleButton = 1, eRightButton = 2 };
enum reasonType { eReal, eSynthesized };
enum contextType { eNormal, eContextMenuKey };
enum exitType { eChild, eTopLevel };
nsMouseEvent()
{
}
protected:
nsMouseEvent(bool isTrusted, PRUint32 msg, nsIWidget *w,
PRUint8 structType, reasonType aReason)
: nsMouseEvent_base(isTrusted, msg, w, structType),
acceptActivation(false), ignoreRootScrollFrame(false),
reason(aReason), context(eNormal), exit(eChild), clickCount(0)
{
switch (msg) {
case NS_MOUSE_MOVE:
flags |= NS_EVENT_FLAG_CANT_CANCEL;
break;
case NS_MOUSEENTER:
case NS_MOUSELEAVE:
flags |= (NS_EVENT_FLAG_CANT_CANCEL & NS_EVENT_FLAG_CANT_BUBBLE);
break;
default:
break;
}
}
public:
nsMouseEvent(bool isTrusted, PRUint32 msg, nsIWidget *w,
reasonType aReason, contextType aContext = eNormal)
: nsMouseEvent_base(isTrusted, msg, w, NS_MOUSE_EVENT),
acceptActivation(false), ignoreRootScrollFrame(false),
reason(aReason), context(aContext), exit(eChild), clickCount(0)
{
switch (msg) {
case NS_MOUSE_MOVE:
flags |= NS_EVENT_FLAG_CANT_CANCEL;
break;
case NS_MOUSEENTER:
case NS_MOUSELEAVE:
flags |= (NS_EVENT_FLAG_CANT_CANCEL | NS_EVENT_FLAG_CANT_BUBBLE);
break;
case NS_CONTEXTMENU:
button = (context == eNormal) ? eRightButton : eLeftButton;
break;
default:
break;
}
}
#ifdef NS_DEBUG
~nsMouseEvent() {
NS_WARN_IF_FALSE(message != NS_CONTEXTMENU ||
button ==
((context == eNormal) ? eRightButton : eLeftButton),
"Wrong button set to NS_CONTEXTMENU event?");
}
#endif
/// Special return code for MOUSE_ACTIVATE to signal
/// if the target accepts activation (1), or denies it (0)
bool acceptActivation;
// Whether the event should ignore scroll frame bounds
// during dispatch.
bool ignoreRootScrollFrame;
reasonType reason : 4;
contextType context : 4;
exitType exit;
/// The number of mouse clicks
PRUint32 clickCount;
};
/**
* Drag event
*/
class nsDragEvent : public nsMouseEvent
{
public:
nsDragEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsMouseEvent(isTrusted, msg, w, NS_DRAG_EVENT, eReal),
userCancelled(false)
{
if (msg == NS_DRAGDROP_EXIT_SYNTH ||
msg == NS_DRAGDROP_LEAVE_SYNTH ||
msg == NS_DRAGDROP_END) {
flags |= NS_EVENT_FLAG_CANT_CANCEL;
}
}
nsCOMPtr<nsIDOMDataTransfer> dataTransfer;
bool userCancelled;
};
#ifdef ACCESSIBILITY
/**
* Accessible event
*/
class nsAccessibleEvent : public nsInputEvent
{
public:
nsAccessibleEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsInputEvent(isTrusted, msg, w, NS_ACCESSIBLE_EVENT),
mAccessible(nsnull)
{
}
nsAccessible *mAccessible;
};
#endif
/**
* Keyboard event
*/
struct nsAlternativeCharCode {
nsAlternativeCharCode(PRUint32 aUnshiftedCharCode,
PRUint32 aShiftedCharCode) :
mUnshiftedCharCode(aUnshiftedCharCode), mShiftedCharCode(aShiftedCharCode)
{
}
PRUint32 mUnshiftedCharCode;
PRUint32 mShiftedCharCode;
};
class nsKeyEvent : public nsInputEvent
{
private:
friend class mozilla::dom::PBrowserParent;
friend class mozilla::dom::PBrowserChild;
public:
nsKeyEvent()
{
}
nsKeyEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsInputEvent(isTrusted, msg, w, NS_KEY_EVENT),
keyCode(0), charCode(0), isChar(0)
{
}
/// see NS_VK codes
PRUint32 keyCode;
/// OS translated Unicode char
PRUint32 charCode;
// OS translated Unicode chars which are used for accesskey and accelkey
// handling. The handlers will try from first character to last character.
nsTArray<nsAlternativeCharCode> alternativeCharCodes;
// indicates whether the event signifies a printable character
bool isChar;
};
/**
* IME Related Events
*/
struct nsTextRangeStyle
{
enum {
LINESTYLE_NONE = NS_STYLE_TEXT_DECORATION_STYLE_NONE,
LINESTYLE_SOLID = NS_STYLE_TEXT_DECORATION_STYLE_SOLID,
LINESTYLE_DOTTED = NS_STYLE_TEXT_DECORATION_STYLE_DOTTED,
LINESTYLE_DASHED = NS_STYLE_TEXT_DECORATION_STYLE_DASHED,
LINESTYLE_DOUBLE = NS_STYLE_TEXT_DECORATION_STYLE_DOUBLE,
LINESTYLE_WAVY = NS_STYLE_TEXT_DECORATION_STYLE_WAVY
};
enum {
DEFINED_NONE = 0x00,
DEFINED_LINESTYLE = 0x01,
DEFINED_FOREGROUND_COLOR = 0x02,
DEFINED_BACKGROUND_COLOR = 0x04,
DEFINED_UNDERLINE_COLOR = 0x08
};
// Initialize all members, because nsTextRange instances may be compared by
// memcomp.
nsTextRangeStyle()
{
Clear();
}
void Clear()
{
mDefinedStyles = DEFINED_NONE;
mLineStyle = LINESTYLE_NONE;
mIsBoldLine = false;
mForegroundColor = mBackgroundColor = mUnderlineColor = NS_RGBA(0, 0, 0, 0);
}
bool IsDefined() const { return mDefinedStyles != DEFINED_NONE; }
bool IsLineStyleDefined() const
{
return (mDefinedStyles & DEFINED_LINESTYLE) != 0;
}
bool IsForegroundColorDefined() const
{
return (mDefinedStyles & DEFINED_FOREGROUND_COLOR) != 0;
}
bool IsBackgroundColorDefined() const
{
return (mDefinedStyles & DEFINED_BACKGROUND_COLOR) != 0;
}
bool IsUnderlineColorDefined() const
{
return (mDefinedStyles & DEFINED_UNDERLINE_COLOR) != 0;
}
bool IsNoChangeStyle() const
{
return !IsForegroundColorDefined() && !IsBackgroundColorDefined() &&
IsLineStyleDefined() && mLineStyle == LINESTYLE_NONE;
}
bool Equals(const nsTextRangeStyle& aOther)
{
if (mDefinedStyles != aOther.mDefinedStyles)
return false;
if (IsLineStyleDefined() && (mLineStyle != aOther.mLineStyle ||
!mIsBoldLine != !aOther.mIsBoldLine))
return false;
if (IsForegroundColorDefined() &&
(mForegroundColor != aOther.mForegroundColor))
return false;
if (IsBackgroundColorDefined() &&
(mBackgroundColor != aOther.mBackgroundColor))
return false;
if (IsUnderlineColorDefined() &&
(mUnderlineColor != aOther.mUnderlineColor))
return false;
return true;
}
bool operator !=(const nsTextRangeStyle &aOther)
{
return !Equals(aOther);
}
bool operator ==(const nsTextRangeStyle &aOther)
{
return Equals(aOther);
}
PRUint8 mDefinedStyles;
PRUint8 mLineStyle; // DEFINED_LINESTYLE
bool mIsBoldLine; // DEFINED_LINESTYLE
nscolor mForegroundColor; // DEFINED_FOREGROUND_COLOR
nscolor mBackgroundColor; // DEFINED_BACKGROUND_COLOR
nscolor mUnderlineColor; // DEFINED_UNDERLINE_COLOR
};
struct nsTextRange
{
nsTextRange()
: mStartOffset(0), mEndOffset(0), mRangeType(0)
{
}
PRUint32 mStartOffset;
PRUint32 mEndOffset;
PRUint32 mRangeType;
nsTextRangeStyle mRangeStyle;
};
typedef nsTextRange* nsTextRangeArray;
class nsTextEvent : public nsInputEvent
{
private:
friend class mozilla::dom::PBrowserParent;
friend class mozilla::dom::PBrowserChild;
friend class mozilla::plugins::PPluginInstanceChild;
nsTextEvent()
{
}
public:
PRUint32 seqno;
public:
nsTextEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsInputEvent(isTrusted, msg, w, NS_TEXT_EVENT),
rangeCount(0), rangeArray(nsnull), isChar(false)
{
}
nsString theText;
PRUint32 rangeCount;
// Note that the range array may not specify a caret position; in that
// case there will be no range of type NS_TEXTRANGE_CARETPOSITION in the
// array.
nsTextRangeArray rangeArray;
bool isChar;
};
class nsCompositionEvent : public nsGUIEvent
{
private:
friend class mozilla::dom::PBrowserParent;
friend class mozilla::dom::PBrowserChild;
nsCompositionEvent()
{
}
public:
PRUint32 seqno;
public:
nsCompositionEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsGUIEvent(isTrusted, msg, w, NS_COMPOSITION_EVENT)
{
// XXX compositionstart is cancelable in draft of DOM3 Events.
// However, it doesn't make sense for us, we cannot cancel composition
// when we send compositionstart event.
flags |= NS_EVENT_FLAG_CANT_CANCEL;
}
nsString data;
};
/* Mouse Scroll Events: Line Scrolling, Pixel Scrolling and Common Event Flows
*
* There are two common event flows:
* (1) Normal line scrolling:
* 1. An NS_MOUSE_SCROLL event without kHasPixels is dispatched to Gecko.
* 2. A DOMMouseScroll event is sent into the DOM.
* 3. A MozMousePixelScroll event is sent into the DOM.
* 4. If neither event has been consumed, the default handling of the
* NS_MOUSE_SCROLL event is executed.
*
* (2) Pixel scrolling:
* 1. An NS_MOUSE_SCROLL event with kHasPixels is dispatched to Gecko.
* 2. A DOMMouseScroll event is sent into the DOM.
* 3. No scrolling takes place in the default handler.
* 4. An NS_MOUSE_PIXEL_SCROLL event is dispatched to Gecko.
* 5. A MozMousePixelScroll event is sent into the DOM.
* 6. If neither the NS_MOUSE_PIXELSCROLL event nor the preceding
* NS_MOUSE_SCROLL event have been consumed, the default handler scrolls.
* 7. Steps 4.-6. are repeated for every pixel scroll that belongs to
* the announced line scroll. Once enough pixels have been sent to
* complete a line, a new NS_MOUSE_SCROLL event is sent (goto step 1.).
*
* If a DOMMouseScroll event has been preventDefaulted, the associated
* following MozMousePixelScroll events are still sent - they just don't result
* in any scrolling (their default handler isn't executed).
*
* How many pixel scrolls make up one line scroll is decided in the widget layer
* where the NS_MOUSE(_PIXEL)_SCROLL events are created.
*
* This event flow model satisfies several requirements:
* - DOMMouseScroll handlers don't need to be aware of the existence of pixel
* scrolling.
* - preventDefault on a DOMMouseScroll event results in no scrolling.
* - DOMMouseScroll events aren't polluted with a kHasPixels flag.
* - You can make use of pixel scroll DOM events (MozMousePixelScroll).
*/
class nsMouseScrollEvent : public nsMouseEvent_base
{
private:
friend class mozilla::dom::PBrowserParent;
friend class mozilla::dom::PBrowserChild;
nsMouseScrollEvent()
{
}
public:
enum nsMouseScrollFlags {
kIsFullPage = 1 << 0,
kIsVertical = 1 << 1,
kIsHorizontal = 1 << 2,
kHasPixels = 1 << 3, // Marks line scroll events that are provided as
// a fallback for pixel scroll events.
// These scroll events are used by things that can't
// be scrolled pixel-wise, like trees. You should
// ignore them when processing pixel scroll events
// to avoid double-processing the same scroll gesture.
// When kHasPixels is set, the event is guaranteed to
// be followed up by an event that contains pixel
// scrolling information.
kNoLines = 1 << 4, // Marks pixel scroll events that will not be
// followed by a line scroll events. EventStateManager
// will compute the appropriate height/width based on
// view lineHeight and generate line scroll events
// as needed.
kNoDefer = 1 << 5, // For scrollable views, indicates scroll should not
// occur asynchronously.
kIsMomentum = 1 << 6, // Marks scroll events that aren't controlled by the
// user but fire automatically as the result of a
// "momentum" scroll.
kAllowSmoothScroll = 1 << 7 // Allow smooth scroll for the pixel scroll
// event.
};
nsMouseScrollEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsMouseEvent_base(isTrusted, msg, w, NS_MOUSE_SCROLL_EVENT),
scrollFlags(0), delta(0), scrollOverflow(0)
{
}
PRInt32 scrollFlags;
PRInt32 delta;
PRInt32 scrollOverflow;
};
/*
* Gesture Notify Event:
*
* This event is the first event generated when the user touches
* the screen with a finger, and it's meant to decide what kind
* of action we'll use for that touch interaction.
*
* The event is dispatched to the layout and based on what is underneath
* the initial contact point it's then decided if we should pan
* (finger scrolling) or drag the target element.
*/
class nsGestureNotifyEvent : public nsGUIEvent
{
public:
enum ePanDirection {
ePanNone,
ePanVertical,
ePanHorizontal,
ePanBoth
};
ePanDirection panDirection;
bool displayPanFeedback;
nsGestureNotifyEvent(bool aIsTrusted, PRUint32 aMsg, nsIWidget *aWidget):
nsGUIEvent(aIsTrusted, aMsg, aWidget, NS_GESTURENOTIFY_EVENT),
panDirection(ePanNone),
displayPanFeedback(false)
{
}
};
class nsQueryContentEvent : public nsGUIEvent
{
private:
friend class mozilla::dom::PBrowserParent;
friend class mozilla::dom::PBrowserChild;
nsQueryContentEvent()
{
mReply.mContentsRoot = nsnull;
mReply.mFocusedWidget = nsnull;
}
public:
nsQueryContentEvent(bool aIsTrusted, PRUint32 aMsg, nsIWidget *aWidget) :
nsGUIEvent(aIsTrusted, aMsg, aWidget, NS_QUERY_CONTENT_EVENT),
mSucceeded(false), mWasAsync(false)
{
}
void InitForQueryTextContent(PRUint32 aOffset, PRUint32 aLength)
{
NS_ASSERTION(message == NS_QUERY_TEXT_CONTENT,
"wrong initializer is called");
mInput.mOffset = aOffset;
mInput.mLength = aLength;
}
void InitForQueryCaretRect(PRUint32 aOffset)
{
NS_ASSERTION(message == NS_QUERY_CARET_RECT,
"wrong initializer is called");
mInput.mOffset = aOffset;
}
void InitForQueryTextRect(PRUint32 aOffset, PRUint32 aLength)
{
NS_ASSERTION(message == NS_QUERY_TEXT_RECT,
"wrong initializer is called");
mInput.mOffset = aOffset;
mInput.mLength = aLength;
}
void InitForQueryDOMWidgetHittest(nsIntPoint& aPoint)
{
NS_ASSERTION(message == NS_QUERY_DOM_WIDGET_HITTEST,
"wrong initializer is called");
refPoint = aPoint;
}
void InitForQueryScrollTargetInfo(nsMouseScrollEvent* aEvent)
{
NS_ASSERTION(message == NS_QUERY_SCROLL_TARGET_INFO,
"wrong initializer is called");
mInput.mMouseScrollEvent = aEvent;
}
PRUint32 GetSelectionStart(void) const
{
NS_ASSERTION(message == NS_QUERY_SELECTED_TEXT,
"not querying selection");
return mReply.mOffset + (mReply.mReversed ? mReply.mString.Length() : 0);
}
PRUint32 GetSelectionEnd(void) const
{
NS_ASSERTION(message == NS_QUERY_SELECTED_TEXT,
"not querying selection");
return mReply.mOffset + (mReply.mReversed ? 0 : mReply.mString.Length());
}
bool mSucceeded;
bool mWasAsync;
struct {
PRUint32 mOffset;
PRUint32 mLength;
// used by NS_QUERY_SCROLL_TARGET_INFO
nsMouseScrollEvent* mMouseScrollEvent;
} mInput;
struct {
void* mContentsRoot;
PRUint32 mOffset;
nsString mString;
nsIntRect mRect; // Finally, the coordinates is system coordinates.
// The return widget has the caret. This is set at all query events.
nsIWidget* mFocusedWidget;
bool mReversed; // true if selection is reversed (end < start)
bool mHasSelection; // true if the selection exists
bool mWidgetIsHit; // true if DOM element under mouse belongs to widget
// used by NS_QUERY_SELECTION_AS_TRANSFERABLE
nsCOMPtr<nsITransferable> mTransferable;
// used by NS_QUERY_SCROLL_TARGET_INFO
PRInt32 mLineHeight;
PRInt32 mPageWidth;
PRInt32 mPageHeight;
// used by NS_QUERY_SCROLL_TARGET_INFO
// the mouse wheel scrolling amount may be overridden by prefs or
// overriding system scrolling speed mechanism.
// If mMouseScrollEvent is a line scroll event, the unit of this value is
// line. If mMouseScrollEvent is a page scroll event, the unit of this
// value is page.
PRInt32 mComputedScrollAmount;
PRInt32 mComputedScrollAction;
} mReply;
enum {
NOT_FOUND = PR_UINT32_MAX
};
// values of mComputedScrollAction
enum {
SCROLL_ACTION_NONE,
SCROLL_ACTION_LINE,
SCROLL_ACTION_PAGE
};
};
class nsFocusEvent : public nsEvent
{
public:
nsFocusEvent(bool isTrusted, PRUint32 msg)
: nsEvent(isTrusted, msg, NS_FOCUS_EVENT),
fromRaise(false),
isRefocus(false)
{
}
bool fromRaise;
bool isRefocus;
};
class nsSelectionEvent : public nsGUIEvent
{
private:
friend class mozilla::dom::PBrowserParent;
friend class mozilla::dom::PBrowserChild;
nsSelectionEvent()
{
}
public:
PRUint32 seqno;
public:
nsSelectionEvent(bool aIsTrusted, PRUint32 aMsg, nsIWidget *aWidget) :
nsGUIEvent(aIsTrusted, aMsg, aWidget, NS_SELECTION_EVENT),
mExpandToClusterBoundary(true), mSucceeded(false)
{
}
PRUint32 mOffset; // start offset of selection
PRUint32 mLength; // length of selection
bool mReversed; // selection "anchor" should be in front
bool mExpandToClusterBoundary; // cluster-based or character-based
bool mSucceeded;
};
class nsContentCommandEvent : public nsGUIEvent
{
public:
nsContentCommandEvent(bool aIsTrusted, PRUint32 aMsg, nsIWidget *aWidget,
bool aOnlyEnabledCheck = false) :
nsGUIEvent(aIsTrusted, aMsg, aWidget, NS_CONTENT_COMMAND_EVENT),
mOnlyEnabledCheck(bool(aOnlyEnabledCheck)),
mSucceeded(false), mIsEnabled(false)
{
}
// NS_CONTENT_COMMAND_PASTE_TRANSFERABLE
nsCOMPtr<nsITransferable> mTransferable; // [in]
// NS_CONTENT_COMMAND_SCROLL
// for mScroll.mUnit
enum {
eCmdScrollUnit_Line,
eCmdScrollUnit_Page,
eCmdScrollUnit_Whole
};
struct ScrollInfo {
ScrollInfo() :
mAmount(0), mUnit(eCmdScrollUnit_Line), mIsHorizontal(false)
{
}
PRInt32 mAmount; // [in]
PRUint8 mUnit; // [in]
bool mIsHorizontal; // [in]
} mScroll;
bool mOnlyEnabledCheck; // [in]
bool mSucceeded; // [out]
bool mIsEnabled; // [out]
};
class nsMozTouchEvent : public nsMouseEvent_base
{
public:
nsMozTouchEvent(bool isTrusted, PRUint32 msg, nsIWidget* w,
PRUint32 streamIdArg)
: nsMouseEvent_base(isTrusted, msg, w, NS_MOZTOUCH_EVENT),
streamId(streamIdArg)
{
}
PRUint32 streamId;
};
class nsTouchEvent : public nsInputEvent
{
public:
nsTouchEvent(nsTouchEvent *aEvent)
:nsInputEvent(aEvent->flags & NS_EVENT_FLAG_TRUSTED ? true : false,
aEvent->message,
aEvent->widget,
NS_TOUCH_EVENT)
{
touches.AppendElements(aEvent->touches);
MOZ_COUNT_CTOR(nsTouchEvent);
}
nsTouchEvent(bool isTrusted, PRUint32 msg, nsIWidget* w)
: nsInputEvent(isTrusted, msg, w, NS_TOUCH_EVENT)
{
MOZ_COUNT_CTOR(nsTouchEvent);
}
~nsTouchEvent()
{
MOZ_COUNT_DTOR(nsTouchEvent);
}
nsTArray<nsCOMPtr<nsIDOMTouch> > touches;
};
/**
* Form event
*
* We hold the originating form control for form submit and reset events.
* originator is a weak pointer (does not hold a strong reference).
*/
class nsFormEvent : public nsEvent
{
public:
nsFormEvent(bool isTrusted, PRUint32 msg)
: nsEvent(isTrusted, msg, NS_FORM_EVENT),
originator(nsnull)
{
}
nsIContent *originator;
};
/**
* Command event
*
* Custom commands for example from the operating system.
*/
class nsCommandEvent : public nsGUIEvent
{
public:
nsCommandEvent(bool isTrusted, nsIAtom* aEventType,
nsIAtom* aCommand, nsIWidget* w)
: nsGUIEvent(isTrusted, NS_USER_DEFINED_EVENT, w, NS_COMMAND_EVENT)
{
userType = aEventType;
command = aCommand;
}
nsCOMPtr<nsIAtom> command;
};
/**
* DOM UIEvent
*/
class nsUIEvent : public nsEvent
{
public:
nsUIEvent(bool isTrusted, PRUint32 msg, PRInt32 d)
: nsEvent(isTrusted, msg, NS_UI_EVENT),
detail(d)
{
}
PRInt32 detail;
};
/**
* Simple gesture event
*/
class nsSimpleGestureEvent : public nsMouseEvent_base
{
public:
nsSimpleGestureEvent(bool isTrusted, PRUint32 msg, nsIWidget* w,
PRUint32 directionArg, PRFloat64 deltaArg)
: nsMouseEvent_base(isTrusted, msg, w, NS_SIMPLE_GESTURE_EVENT),
direction(directionArg), delta(deltaArg)
{
}
nsSimpleGestureEvent(const nsSimpleGestureEvent& other)
: nsMouseEvent_base((other.flags & NS_EVENT_FLAG_TRUSTED) != 0,
other.message, other.widget, NS_SIMPLE_GESTURE_EVENT),
direction(other.direction), delta(other.delta)
{
}
PRUint32 direction; // See nsIDOMSimpleGestureEvent for values
PRFloat64 delta; // Delta for magnify and rotate events
};
class nsTransitionEvent : public nsEvent
{
public:
nsTransitionEvent(bool isTrusted, PRUint32 msg,
const nsString &propertyNameArg, float elapsedTimeArg)
: nsEvent(isTrusted, msg, NS_TRANSITION_EVENT),
propertyName(propertyNameArg), elapsedTime(elapsedTimeArg)
{
}
nsString propertyName;
float elapsedTime;
};
class nsAnimationEvent : public nsEvent
{
public:
nsAnimationEvent(bool isTrusted, PRUint32 msg,
const nsString &animationNameArg, float elapsedTimeArg)
: nsEvent(isTrusted, msg, NS_ANIMATION_EVENT),
animationName(animationNameArg), elapsedTime(elapsedTimeArg)
{
}
nsString animationName;
float elapsedTime;
};
class nsUIStateChangeEvent : public nsGUIEvent
{
public:
nsUIStateChangeEvent(bool isTrusted, PRUint32 msg, nsIWidget* w)
: nsGUIEvent(isTrusted, msg, w, NS_UISTATECHANGE_EVENT),
showAccelerators(UIStateChangeType_NoChange),
showFocusRings(UIStateChangeType_NoChange)
{
}
UIStateChangeType showAccelerators;
UIStateChangeType showFocusRings;
};
/**
* Native event pluginEvent for plugins.
*/
class nsPluginEvent : public nsGUIEvent
{
public:
nsPluginEvent(bool isTrusted, PRUint32 msg, nsIWidget *w)
: nsGUIEvent(isTrusted, msg, w, NS_PLUGIN_EVENT),
retargetToFocusedDocument(false)
{
}
// If TRUE, this event needs to be retargeted to focused document.
// Otherwise, never retargeted.
// Defaults to false.
bool retargetToFocusedDocument;
};
/**
* Event status for D&D Event
*/
enum nsDragDropEventStatus {
/// The event is a enter
nsDragDropEventStatus_eDragEntered,
/// The event is exit
nsDragDropEventStatus_eDragExited,
/// The event is drop
nsDragDropEventStatus_eDrop
};
#define NS_IS_MOUSE_EVENT(evnt) \
(((evnt)->message == NS_MOUSE_BUTTON_DOWN) || \
((evnt)->message == NS_MOUSE_BUTTON_UP) || \
((evnt)->message == NS_MOUSE_CLICK) || \
((evnt)->message == NS_MOUSE_DOUBLECLICK) || \
((evnt)->message == NS_MOUSE_ENTER) || \
((evnt)->message == NS_MOUSE_EXIT) || \
((evnt)->message == NS_MOUSE_ACTIVATE) || \
((evnt)->message == NS_MOUSE_ENTER_SYNTH) || \
((evnt)->message == NS_MOUSE_EXIT_SYNTH) || \
((evnt)->message == NS_MOUSE_MOZHITTEST) || \
((evnt)->message == NS_MOUSE_MOVE))
#define NS_IS_MOUSE_EVENT_STRUCT(evnt) \
((evnt)->eventStructType == NS_MOUSE_EVENT || \
(evnt)->eventStructType == NS_DRAG_EVENT)
#define NS_IS_MOUSE_LEFT_CLICK(evnt) \
((evnt)->eventStructType == NS_MOUSE_EVENT && \
(evnt)->message == NS_MOUSE_CLICK && \
static_cast<nsMouseEvent*>((evnt))->button == nsMouseEvent::eLeftButton)
#define NS_IS_CONTEXT_MENU_KEY(evnt) \
((evnt)->eventStructType == NS_MOUSE_EVENT && \
(evnt)->message == NS_CONTEXTMENU && \
static_cast<nsMouseEvent*>((evnt))->context == nsMouseEvent::eContextMenuKey)
#define NS_IS_DRAG_EVENT(evnt) \
(((evnt)->message == NS_DRAGDROP_ENTER) || \
((evnt)->message == NS_DRAGDROP_OVER) || \
((evnt)->message == NS_DRAGDROP_EXIT) || \
((evnt)->message == NS_DRAGDROP_DRAGDROP) || \
((evnt)->message == NS_DRAGDROP_GESTURE) || \
((evnt)->message == NS_DRAGDROP_DRAG) || \
((evnt)->message == NS_DRAGDROP_END) || \
((evnt)->message == NS_DRAGDROP_START) || \
((evnt)->message == NS_DRAGDROP_DROP) || \
((evnt)->message == NS_DRAGDROP_LEAVE_SYNTH))
#define NS_IS_KEY_EVENT(evnt) \
(((evnt)->message == NS_KEY_DOWN) || \
((evnt)->message == NS_KEY_PRESS) || \
((evnt)->message == NS_KEY_UP))
#define NS_IS_IME_EVENT(evnt) \
(((evnt)->message == NS_TEXT_TEXT) || \
((evnt)->message == NS_COMPOSITION_START) || \
((evnt)->message == NS_COMPOSITION_END) || \
((evnt)->message == NS_COMPOSITION_UPDATE))
#define NS_IS_ACTIVATION_EVENT(evnt) \
(((evnt)->message == NS_ACTIVATE) || \
((evnt)->message == NS_DEACTIVATE) || \
((evnt)->message == NS_PLUGIN_ACTIVATE) || \
((evnt)->message == NS_PLUGIN_FOCUS))
#define NS_IS_QUERY_CONTENT_EVENT(evnt) \
((evnt)->eventStructType == NS_QUERY_CONTENT_EVENT)
#define NS_IS_SELECTION_EVENT(evnt) \
(((evnt)->message == NS_SELECTION_SET))
#define NS_IS_CONTENT_COMMAND_EVENT(evnt) \
((evnt)->eventStructType == NS_CONTENT_COMMAND_EVENT)
#define NS_IS_PLUGIN_EVENT(evnt) \
(((evnt)->message == NS_PLUGIN_INPUT_EVENT) || \
((evnt)->message == NS_PLUGIN_FOCUS_EVENT))
#define NS_IS_RETARGETED_PLUGIN_EVENT(evnt) \
(NS_IS_PLUGIN_EVENT(evnt) && \
(static_cast<nsPluginEvent*>(evnt)->retargetToFocusedDocument))
#define NS_IS_NON_RETARGETED_PLUGIN_EVENT(evnt) \
(NS_IS_PLUGIN_EVENT(evnt) && \
!(static_cast<nsPluginEvent*>(evnt)->retargetToFocusedDocument))
#define NS_IS_TRUSTED_EVENT(event) \
(((event)->flags & NS_EVENT_FLAG_TRUSTED) != 0)
// Mark an event as being dispatching.
#define NS_MARK_EVENT_DISPATCH_STARTED(event) \
(event)->flags |= NS_EVENT_FLAG_DISPATCHING;
#define NS_IS_EVENT_IN_DISPATCH(event) \
(((event)->flags & NS_EVENT_FLAG_DISPATCHING) != 0)
// Mark an event as being done dispatching.
#define NS_MARK_EVENT_DISPATCH_DONE(event) \
NS_ASSERTION(NS_IS_EVENT_IN_DISPATCH(event), \
"Event never got marked for dispatch!"); \
(event)->flags &= ~NS_EVENT_FLAG_DISPATCHING; \
(event)->flags |= NS_EVENT_DISPATCHED;
// Be aware the query content events and the selection events are a part of IME
// processing. So, you shouldn't use NS_IS_IME_EVENT macro directly in most
// cases, you should use NS_IS_IME_RELATED_EVENT instead.
#define NS_IS_IME_RELATED_EVENT(evnt) \
(NS_IS_IME_EVENT(evnt) || \
(NS_IS_QUERY_CONTENT_EVENT(evnt) && \
evnt->message != NS_QUERY_SCROLL_TARGET_INFO) || \
NS_IS_SELECTION_EVENT(evnt))
/*
* Virtual key bindings for keyboard events.
* These come from nsIDOMKeyEvent.h, which is generated from MouseKeyEvent.idl.
* Really, it would be better if we phased out the NS_VK symbols altogether
* in favor of the DOM ones, but at least this way they'll be in sync.
*/
#define NS_VK_CANCEL nsIDOMKeyEvent::DOM_VK_CANCEL
#define NS_VK_HELP nsIDOMKeyEvent::DOM_VK_HELP
#define NS_VK_BACK nsIDOMKeyEvent::DOM_VK_BACK_SPACE
#define NS_VK_TAB nsIDOMKeyEvent::DOM_VK_TAB
#define NS_VK_CLEAR nsIDOMKeyEvent::DOM_VK_CLEAR
#define NS_VK_RETURN nsIDOMKeyEvent::DOM_VK_RETURN
#define NS_VK_ENTER nsIDOMKeyEvent::DOM_VK_ENTER
#define NS_VK_SHIFT nsIDOMKeyEvent::DOM_VK_SHIFT
#define NS_VK_CONTROL nsIDOMKeyEvent::DOM_VK_CONTROL
#define NS_VK_ALT nsIDOMKeyEvent::DOM_VK_ALT
#define NS_VK_PAUSE nsIDOMKeyEvent::DOM_VK_PAUSE
#define NS_VK_CAPS_LOCK nsIDOMKeyEvent::DOM_VK_CAPS_LOCK
#define NS_VK_KANA nsIDOMKeyEvent::DOM_VK_KANA
#define NS_VK_HANGUL nsIDOMKeyEvent::DOM_VK_HANGUL
#define NS_VK_JUNJA nsIDOMKeyEvent::DOM_VK_JUNJA
#define NS_VK_FINAL nsIDOMKeyEvent::DOM_VK_FINAL
#define NS_VK_HANJA nsIDOMKeyEvent::DOM_VK_HANJA
#define NS_VK_KANJI nsIDOMKeyEvent::DOM_VK_KANJI
#define NS_VK_ESCAPE nsIDOMKeyEvent::DOM_VK_ESCAPE
#define NS_VK_CONVERT nsIDOMKeyEvent::DOM_VK_CONVERT
#define NS_VK_NONCONVERT nsIDOMKeyEvent::DOM_VK_NONCONVERT
#define NS_VK_ACCEPT nsIDOMKeyEvent::DOM_VK_ACCEPT
#define NS_VK_MODECHANGE nsIDOMKeyEvent::DOM_VK_MODECHANGE
#define NS_VK_SPACE nsIDOMKeyEvent::DOM_VK_SPACE
#define NS_VK_PAGE_UP nsIDOMKeyEvent::DOM_VK_PAGE_UP
#define NS_VK_PAGE_DOWN nsIDOMKeyEvent::DOM_VK_PAGE_DOWN
#define NS_VK_END nsIDOMKeyEvent::DOM_VK_END
#define NS_VK_HOME nsIDOMKeyEvent::DOM_VK_HOME
#define NS_VK_LEFT nsIDOMKeyEvent::DOM_VK_LEFT
#define NS_VK_UP nsIDOMKeyEvent::DOM_VK_UP
#define NS_VK_RIGHT nsIDOMKeyEvent::DOM_VK_RIGHT
#define NS_VK_DOWN nsIDOMKeyEvent::DOM_VK_DOWN
#define NS_VK_SELECT nsIDOMKeyEvent::DOM_VK_SELECT
#define NS_VK_PRINT nsIDOMKeyEvent::DOM_VK_PRINT
#define NS_VK_EXECUTE nsIDOMKeyEvent::DOM_VK_EXECUTE
#define NS_VK_PRINTSCREEN nsIDOMKeyEvent::DOM_VK_PRINTSCREEN
#define NS_VK_INSERT nsIDOMKeyEvent::DOM_VK_INSERT
#define NS_VK_DELETE nsIDOMKeyEvent::DOM_VK_DELETE
// NS_VK_0 - NS_VK_9 match their ascii values
#define NS_VK_0 nsIDOMKeyEvent::DOM_VK_0
#define NS_VK_1 nsIDOMKeyEvent::DOM_VK_1
#define NS_VK_2 nsIDOMKeyEvent::DOM_VK_2
#define NS_VK_3 nsIDOMKeyEvent::DOM_VK_3
#define NS_VK_4 nsIDOMKeyEvent::DOM_VK_4
#define NS_VK_5 nsIDOMKeyEvent::DOM_VK_5
#define NS_VK_6 nsIDOMKeyEvent::DOM_VK_6
#define NS_VK_7 nsIDOMKeyEvent::DOM_VK_7
#define NS_VK_8 nsIDOMKeyEvent::DOM_VK_8
#define NS_VK_9 nsIDOMKeyEvent::DOM_VK_9
#define NS_VK_SEMICOLON nsIDOMKeyEvent::DOM_VK_SEMICOLON
#define NS_VK_EQUALS nsIDOMKeyEvent::DOM_VK_EQUALS
// NS_VK_A - NS_VK_Z match their ascii values
#define NS_VK_A nsIDOMKeyEvent::DOM_VK_A
#define NS_VK_B nsIDOMKeyEvent::DOM_VK_B
#define NS_VK_C nsIDOMKeyEvent::DOM_VK_C
#define NS_VK_D nsIDOMKeyEvent::DOM_VK_D
#define NS_VK_E nsIDOMKeyEvent::DOM_VK_E
#define NS_VK_F nsIDOMKeyEvent::DOM_VK_F
#define NS_VK_G nsIDOMKeyEvent::DOM_VK_G
#define NS_VK_H nsIDOMKeyEvent::DOM_VK_H
#define NS_VK_I nsIDOMKeyEvent::DOM_VK_I
#define NS_VK_J nsIDOMKeyEvent::DOM_VK_J
#define NS_VK_K nsIDOMKeyEvent::DOM_VK_K
#define NS_VK_L nsIDOMKeyEvent::DOM_VK_L
#define NS_VK_M nsIDOMKeyEvent::DOM_VK_M
#define NS_VK_N nsIDOMKeyEvent::DOM_VK_N
#define NS_VK_O nsIDOMKeyEvent::DOM_VK_O
#define NS_VK_P nsIDOMKeyEvent::DOM_VK_P
#define NS_VK_Q nsIDOMKeyEvent::DOM_VK_Q
#define NS_VK_R nsIDOMKeyEvent::DOM_VK_R
#define NS_VK_S nsIDOMKeyEvent::DOM_VK_S
#define NS_VK_T nsIDOMKeyEvent::DOM_VK_T
#define NS_VK_U nsIDOMKeyEvent::DOM_VK_U
#define NS_VK_V nsIDOMKeyEvent::DOM_VK_V
#define NS_VK_W nsIDOMKeyEvent::DOM_VK_W
#define NS_VK_X nsIDOMKeyEvent::DOM_VK_X
#define NS_VK_Y nsIDOMKeyEvent::DOM_VK_Y
#define NS_VK_Z nsIDOMKeyEvent::DOM_VK_Z
#define NS_VK_CONTEXT_MENU nsIDOMKeyEvent::DOM_VK_CONTEXT_MENU
#define NS_VK_SLEEP nsIDOMKeyEvent::DOM_VK_SLEEP
#define NS_VK_NUMPAD0 nsIDOMKeyEvent::DOM_VK_NUMPAD0
#define NS_VK_NUMPAD1 nsIDOMKeyEvent::DOM_VK_NUMPAD1
#define NS_VK_NUMPAD2 nsIDOMKeyEvent::DOM_VK_NUMPAD2
#define NS_VK_NUMPAD3 nsIDOMKeyEvent::DOM_VK_NUMPAD3
#define NS_VK_NUMPAD4 nsIDOMKeyEvent::DOM_VK_NUMPAD4
#define NS_VK_NUMPAD5 nsIDOMKeyEvent::DOM_VK_NUMPAD5
#define NS_VK_NUMPAD6 nsIDOMKeyEvent::DOM_VK_NUMPAD6
#define NS_VK_NUMPAD7 nsIDOMKeyEvent::DOM_VK_NUMPAD7
#define NS_VK_NUMPAD8 nsIDOMKeyEvent::DOM_VK_NUMPAD8
#define NS_VK_NUMPAD9 nsIDOMKeyEvent::DOM_VK_NUMPAD9
#define NS_VK_MULTIPLY nsIDOMKeyEvent::DOM_VK_MULTIPLY
#define NS_VK_ADD nsIDOMKeyEvent::DOM_VK_ADD
#define NS_VK_SEPARATOR nsIDOMKeyEvent::DOM_VK_SEPARATOR
#define NS_VK_SUBTRACT nsIDOMKeyEvent::DOM_VK_SUBTRACT
#define NS_VK_DECIMAL nsIDOMKeyEvent::DOM_VK_DECIMAL
#define NS_VK_DIVIDE nsIDOMKeyEvent::DOM_VK_DIVIDE
#define NS_VK_F1 nsIDOMKeyEvent::DOM_VK_F1
#define NS_VK_F2 nsIDOMKeyEvent::DOM_VK_F2
#define NS_VK_F3 nsIDOMKeyEvent::DOM_VK_F3
#define NS_VK_F4 nsIDOMKeyEvent::DOM_VK_F4
#define NS_VK_F5 nsIDOMKeyEvent::DOM_VK_F5
#define NS_VK_F6 nsIDOMKeyEvent::DOM_VK_F6
#define NS_VK_F7 nsIDOMKeyEvent::DOM_VK_F7
#define NS_VK_F8 nsIDOMKeyEvent::DOM_VK_F8
#define NS_VK_F9 nsIDOMKeyEvent::DOM_VK_F9
#define NS_VK_F10 nsIDOMKeyEvent::DOM_VK_F10
#define NS_VK_F11 nsIDOMKeyEvent::DOM_VK_F11
#define NS_VK_F12 nsIDOMKeyEvent::DOM_VK_F12
#define NS_VK_F13 nsIDOMKeyEvent::DOM_VK_F13
#define NS_VK_F14 nsIDOMKeyEvent::DOM_VK_F14
#define NS_VK_F15 nsIDOMKeyEvent::DOM_VK_F15
#define NS_VK_F16 nsIDOMKeyEvent::DOM_VK_F16
#define NS_VK_F17 nsIDOMKeyEvent::DOM_VK_F17
#define NS_VK_F18 nsIDOMKeyEvent::DOM_VK_F18
#define NS_VK_F19 nsIDOMKeyEvent::DOM_VK_F19
#define NS_VK_F20 nsIDOMKeyEvent::DOM_VK_F20
#define NS_VK_F21 nsIDOMKeyEvent::DOM_VK_F21
#define NS_VK_F22 nsIDOMKeyEvent::DOM_VK_F22
#define NS_VK_F23 nsIDOMKeyEvent::DOM_VK_F23
#define NS_VK_F24 nsIDOMKeyEvent::DOM_VK_F24
#define NS_VK_NUM_LOCK nsIDOMKeyEvent::DOM_VK_NUM_LOCK
#define NS_VK_SCROLL_LOCK nsIDOMKeyEvent::DOM_VK_SCROLL_LOCK
#define NS_VK_COMMA nsIDOMKeyEvent::DOM_VK_COMMA
#define NS_VK_PERIOD nsIDOMKeyEvent::DOM_VK_PERIOD
#define NS_VK_SLASH nsIDOMKeyEvent::DOM_VK_SLASH
#define NS_VK_BACK_QUOTE nsIDOMKeyEvent::DOM_VK_BACK_QUOTE
#define NS_VK_OPEN_BRACKET nsIDOMKeyEvent::DOM_VK_OPEN_BRACKET
#define NS_VK_BACK_SLASH nsIDOMKeyEvent::DOM_VK_BACK_SLASH
#define NS_VK_CLOSE_BRACKET nsIDOMKeyEvent::DOM_VK_CLOSE_BRACKET
#define NS_VK_QUOTE nsIDOMKeyEvent::DOM_VK_QUOTE
#define NS_VK_META nsIDOMKeyEvent::DOM_VK_META
// IME Constants -- keep in synch with nsIPrivateTextRange.h
#define NS_TEXTRANGE_CARETPOSITION 0x01
#define NS_TEXTRANGE_RAWINPUT 0x02
#define NS_TEXTRANGE_SELECTEDRAWTEXT 0x03
#define NS_TEXTRANGE_CONVERTEDTEXT 0x04
#define NS_TEXTRANGE_SELECTEDCONVERTEDTEXT 0x05
/**
* Whether the event should be handled by the frame of the mouse cursor
* position or not. When it should be handled there (e.g., the mouse events),
* this returns TRUE.
*/
inline bool NS_IsEventUsingCoordinates(nsEvent* aEvent)
{
return !NS_IS_KEY_EVENT(aEvent) && !NS_IS_IME_RELATED_EVENT(aEvent) &&
!NS_IS_CONTEXT_MENU_KEY(aEvent) && !NS_IS_ACTIVATION_EVENT(aEvent) &&
!NS_IS_PLUGIN_EVENT(aEvent) &&
!NS_IS_CONTENT_COMMAND_EVENT(aEvent) &&
aEvent->eventStructType != NS_ACCESSIBLE_EVENT;
}
/**
* Whether the event should be handled by the focused DOM window in the
* same top level window's or not. E.g., key events, IME related events
* (including the query content events, they are used in IME transaction)
* should be handled by the (last) focused window rather than the dispatched
* window.
*
* NOTE: Even if this returns TRUE, the event isn't going to be handled by the
* application level active DOM window which is on another top level window.
* So, when the event is fired on a deactive window, the event is going to be
* handled by the last focused DOM window in the last focused window.
*/
inline bool NS_IsEventTargetedAtFocusedWindow(nsEvent* aEvent)
{
return NS_IS_KEY_EVENT(aEvent) || NS_IS_IME_RELATED_EVENT(aEvent) ||
NS_IS_CONTEXT_MENU_KEY(aEvent) ||
NS_IS_CONTENT_COMMAND_EVENT(aEvent) ||
NS_IS_RETARGETED_PLUGIN_EVENT(aEvent);
}
/**
* Whether the event should be handled by the focused content or not. E.g.,
* key events, IME related events and other input events which are not handled
* by the frame of the mouse cursor position.
*
* NOTE: Even if this returns TRUE, the event isn't going to be handled by the
* application level active DOM window which is on another top level window.
* So, when the event is fired on a deactive window, the event is going to be
* handled by the last focused DOM element of the last focused DOM window in
* the last focused window.
*/
inline bool NS_IsEventTargetedAtFocusedContent(nsEvent* aEvent)
{
return NS_IS_KEY_EVENT(aEvent) || NS_IS_IME_RELATED_EVENT(aEvent) ||
NS_IS_CONTEXT_MENU_KEY(aEvent) ||
NS_IS_RETARGETED_PLUGIN_EVENT(aEvent);
}
#endif // nsGUIEvent_h__
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