2002-03-23 21:07:51 +03:00
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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2004-04-18 01:52:36 +04:00
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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2002-03-23 21:07:51 +03:00
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* The Original Code is the Mozilla browser.
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2004-04-18 01:52:36 +04:00
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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2002-03-23 21:07:51 +03:00
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* Contributor(s):
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2005-07-21 04:15:27 +04:00
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* Mats Palmgren <mats.palmgren@bredband.net>
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2004-04-18 01:52:36 +04:00
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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2002-03-23 21:07:51 +03:00
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#include "nsPrintPreviewListener.h"
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2011-10-30 00:22:19 +04:00
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#include "mozilla/dom/Element.h"
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Bug 178324, refactor focus by moving all focus handling into one place and simplifying it, add many tests, fixes many other bugs too numerous to mention in this small checkin comment, r=josh,smichaud,ere,dbaron,marco,neil,gavin,smaug,sr=smaug (CLOSED TREE)
2009-06-10 22:00:39 +04:00
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#include "nsIDOMWindow.h"
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#include "nsPIDOMWindow.h"
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#include "nsIDOMElement.h"
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2002-03-23 21:07:51 +03:00
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#include "nsIDOMKeyEvent.h"
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2004-08-18 23:17:13 +04:00
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#include "nsIDOMNSEvent.h"
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2005-07-21 04:15:27 +04:00
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#include "nsIDocument.h"
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#include "nsIDocShell.h"
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#include "nsPresContext.h"
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Bug 178324, refactor focus by moving all focus handling into one place and simplifying it, add many tests, fixes many other bugs too numerous to mention in this small checkin comment, r=josh,smichaud,ere,dbaron,marco,neil,gavin,smaug,sr=smaug (CLOSED TREE)
2009-06-10 22:00:39 +04:00
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#include "nsFocusManager.h"
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2004-06-05 02:06:05 +04:00
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#include "nsLiteralString.h"
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2002-03-23 21:07:51 +03:00
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2011-10-30 00:22:19 +04:00
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using namespace mozilla;
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2004-06-05 02:06:05 +04:00
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NS_IMPL_ISUPPORTS1(nsPrintPreviewListener, nsIDOMEventListener)
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2002-03-23 21:07:51 +03:00
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//
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// nsPrintPreviewListener ctor
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//
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2004-06-05 02:06:05 +04:00
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nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventTarget* aTarget)
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: mEventTarget(aTarget)
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2002-03-23 21:07:51 +03:00
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{
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NS_ADDREF_THIS();
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} // ctor
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//-------------------------------------------------------
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//
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// AddListeners
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//
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// Subscribe to the events that will allow us to track various events.
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//
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nsresult
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nsPrintPreviewListener::AddListeners()
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{
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2004-06-05 02:06:05 +04:00
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if (mEventTarget) {
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mEventTarget->AddEventListener(NS_LITERAL_STRING("click"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("keydown"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("keypress"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("keyup"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mousedown"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mousemove"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseout"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseover"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseup"), this, true);
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2002-03-23 21:07:51 +03:00
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}
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return NS_OK;
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}
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//-------------------------------------------------------
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//
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// RemoveListeners
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//
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// Unsubscribe from all the various events that we were listening to.
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//
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nsresult
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nsPrintPreviewListener::RemoveListeners()
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{
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2004-06-05 02:06:05 +04:00
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if (mEventTarget) {
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("click"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keydown"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keypress"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keyup"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mousedown"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mousemove"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseout"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseover"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseup"), this, true);
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2002-03-23 21:07:51 +03:00
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}
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return NS_OK;
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}
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//-------------------------------------------------------
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//
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2005-07-21 04:15:27 +04:00
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// GetActionForEvent
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2002-03-23 21:07:51 +03:00
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//
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2005-11-21 01:05:24 +03:00
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// Helper function to let certain key events through
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2002-03-23 21:07:51 +03:00
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//
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2005-07-21 04:15:27 +04:00
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enum eEventAction {
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eEventAction_Tab, eEventAction_ShiftTab,
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eEventAction_Propagate, eEventAction_Suppress
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};
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static eEventAction
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GetActionForEvent(nsIDOMEvent* aEvent)
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2002-03-23 21:07:51 +03:00
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{
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2005-07-21 04:15:27 +04:00
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static const PRUint32 kOKKeyCodes[] = {
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nsIDOMKeyEvent::DOM_VK_PAGE_UP, nsIDOMKeyEvent::DOM_VK_PAGE_DOWN,
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nsIDOMKeyEvent::DOM_VK_UP, nsIDOMKeyEvent::DOM_VK_DOWN,
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nsIDOMKeyEvent::DOM_VK_HOME, nsIDOMKeyEvent::DOM_VK_END
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};
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2002-03-23 21:07:51 +03:00
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nsCOMPtr<nsIDOMKeyEvent> keyEvent(do_QueryInterface(aEvent));
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if (keyEvent) {
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2011-09-29 10:19:26 +04:00
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bool b;
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2002-03-23 21:07:51 +03:00
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keyEvent->GetAltKey(&b);
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2005-07-21 04:15:27 +04:00
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if (b) return eEventAction_Suppress;
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2002-03-23 21:07:51 +03:00
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keyEvent->GetCtrlKey(&b);
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2005-07-21 04:15:27 +04:00
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if (b) return eEventAction_Suppress;
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2002-03-23 21:07:51 +03:00
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keyEvent->GetShiftKey(&b);
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PRUint32 keyCode;
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keyEvent->GetKeyCode(&keyCode);
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2005-07-21 04:15:27 +04:00
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if (keyCode == nsIDOMKeyEvent::DOM_VK_TAB)
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return b ? eEventAction_ShiftTab : eEventAction_Tab;
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2005-07-26 04:21:29 +04:00
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PRUint32 charCode;
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keyEvent->GetCharCode(&charCode);
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if (charCode == ' ' || keyCode == nsIDOMKeyEvent::DOM_VK_SPACE)
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return eEventAction_Propagate;
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2005-07-21 04:15:27 +04:00
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if (b) return eEventAction_Suppress;
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for (PRUint32 i = 0; i < sizeof(kOKKeyCodes)/sizeof(kOKKeyCodes[0]); ++i) {
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2002-03-23 21:07:51 +03:00
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if (keyCode == kOKKeyCodes[i]) {
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2005-07-21 04:15:27 +04:00
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return eEventAction_Propagate;
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2002-03-23 21:07:51 +03:00
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}
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}
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}
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2005-07-21 04:15:27 +04:00
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return eEventAction_Suppress;
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2002-03-23 21:07:51 +03:00
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}
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2005-07-21 04:15:27 +04:00
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NS_IMETHODIMP
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nsPrintPreviewListener::HandleEvent(nsIDOMEvent* aEvent)
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{
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2004-06-16 12:11:30 +04:00
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nsCOMPtr<nsIDOMEventTarget> target;
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2005-07-21 04:15:27 +04:00
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nsCOMPtr<nsIDOMNSEvent> nsEvent = do_QueryInterface(aEvent);
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2004-08-18 23:17:13 +04:00
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if (nsEvent)
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nsEvent->GetOriginalTarget(getter_AddRefs(target));
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2004-06-16 12:11:30 +04:00
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nsCOMPtr<nsIContent> content(do_QueryInterface(target));
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2009-08-25 00:02:07 +04:00
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if (content && !content->IsXUL()) {
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2005-07-21 04:15:27 +04:00
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eEventAction action = ::GetActionForEvent(aEvent);
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switch (action) {
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case eEventAction_Tab:
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case eEventAction_ShiftTab:
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{
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nsAutoString eventString;
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aEvent->GetType(eventString);
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if (eventString == NS_LITERAL_STRING("keydown")) {
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// Handle tabbing explicitly here since we don't want focus ending up
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// inside the content document, bug 244128.
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nsIDocument* doc = content->GetCurrentDoc();
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NS_ASSERTION(doc, "no document");
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nsIDocument* parentDoc = doc->GetParentDocument();
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NS_ASSERTION(parentDoc, "no parent document");
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Bug 178324, refactor focus by moving all focus handling into one place and simplifying it, add many tests, fixes many other bugs too numerous to mention in this small checkin comment, r=josh,smichaud,ere,dbaron,marco,neil,gavin,smaug,sr=smaug (CLOSED TREE)
2009-06-10 22:00:39 +04:00
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nsCOMPtr<nsIDOMWindow> win = do_QueryInterface(parentDoc->GetWindow());
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nsIFocusManager* fm = nsFocusManager::GetFocusManager();
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if (fm && win) {
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2011-10-30 00:22:19 +04:00
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dom::Element* fromElement = parentDoc->FindContentForSubDocument(doc);
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nsCOMPtr<nsIDOMElement> from = do_QueryInterface(fromElement);
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Bug 178324, refactor focus by moving all focus handling into one place and simplifying it, add many tests, fixes many other bugs too numerous to mention in this small checkin comment, r=josh,smichaud,ere,dbaron,marco,neil,gavin,smaug,sr=smaug (CLOSED TREE)
2009-06-10 22:00:39 +04:00
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2011-09-29 10:19:26 +04:00
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bool forward = (action == eEventAction_Tab);
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Bug 178324, refactor focus by moving all focus handling into one place and simplifying it, add many tests, fixes many other bugs too numerous to mention in this small checkin comment, r=josh,smichaud,ere,dbaron,marco,neil,gavin,smaug,sr=smaug (CLOSED TREE)
2009-06-10 22:00:39 +04:00
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nsCOMPtr<nsIDOMElement> result;
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fm->MoveFocus(win, from,
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forward ? nsIFocusManager::MOVEFOCUS_FORWARD :
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nsIFocusManager::MOVEFOCUS_BACKWARD,
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2009-08-26 20:19:41 +04:00
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nsIFocusManager::FLAG_BYKEY, getter_AddRefs(result));
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2005-07-21 04:15:27 +04:00
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}
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}
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}
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// fall-through
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case eEventAction_Suppress:
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aEvent->StopPropagation();
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aEvent->PreventDefault();
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break;
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case eEventAction_Propagate:
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// intentionally empty
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break;
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}
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2002-03-23 21:07:51 +03:00
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}
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return NS_OK;
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}
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