mirror of
https://github.com/rn10950/RetroZilla.git
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142 lines
4.5 KiB
C++
142 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: set ts=3 sw=2 et tw=80:
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*
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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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* The Original Code is the Mozilla browser.
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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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* Contributor(s):
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* David W. Hyatt <hyatt@netscape.com> (Original Author)
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* Dan Rosen <dr@netscape.com>
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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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#ifndef nsIFocusController_h__
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#define nsIFocusController_h__
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#include "nsISupports.h"
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#include "nsCOMPtr.h"
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class nsIDOMElement;
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class nsIDOMNode;
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class nsIDOMWindowInternal;
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class nsIController;
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class nsIControllers;
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class nsAString;
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// {AC71F479-17E1-4ee0-8EFD-0ECF2AA2F827}
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#define NS_IFOCUSCONTROLLER_IID \
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{ 0xac71f479, 0x17e1, 0x4ee0, { 0x8e, 0xfd, 0xe, 0xcf, 0x2a, 0xa2, 0xf8, 0x27 } }
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class nsIFocusController : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IFOCUSCONTROLLER_IID)
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NS_IMETHOD GetFocusedElement(nsIDOMElement** aResult)=0;
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NS_IMETHOD SetFocusedElement(nsIDOMElement* aElement)=0;
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NS_IMETHOD GetFocusedWindow(nsIDOMWindowInternal** aResult)=0;
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NS_IMETHOD SetFocusedWindow(nsIDOMWindowInternal* aResult)=0;
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NS_IMETHOD GetSuppressFocus(PRBool* aSuppressFlag)=0;
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NS_IMETHOD SetSuppressFocus(PRBool aSuppressFlag, const char* aReason)=0;
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NS_IMETHOD GetSuppressFocusScroll(PRBool* aSuppressFlag)=0;
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NS_IMETHOD SetSuppressFocusScroll(PRBool aSuppressFlag)=0;
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NS_IMETHOD GetActive(PRBool* aActive)=0;
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NS_IMETHOD SetActive(PRBool aActive)=0;
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NS_IMETHOD GetPopupNode(nsIDOMNode** aNode)=0;
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NS_IMETHOD SetPopupNode(nsIDOMNode* aNode)=0;
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NS_IMETHOD GetControllerForCommand(const char * aCommand, nsIController** aResult)=0;
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NS_IMETHOD GetControllers(nsIControllers** aResult)=0;
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NS_IMETHOD MoveFocus(PRBool aForward, nsIDOMElement* aElt)=0;
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NS_IMETHOD RewindFocusState()=0;
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NS_IMETHOD ResetElementFocus() = 0;
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};
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// {884e474a-bb6b-4cbf-89ea-47e0ec1f67c3}
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#define NS_IFOCUSCONTROLLER_MOZILLA_1_8_BRANCH_IID \
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{ 0x884e474a, 0xbb6b, 0x4cbf, { 0x89, 0xea, 0x47, 0xe0, 0xec, 0x1f, 0x67, 0xc3 } }
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class nsIFocusController_MOZILLA_1_8_BRANCH : public nsIFocusController
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{
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IFOCUSCONTROLLER_MOZILLA_1_8_BRANCH_IID)
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NS_IMETHOD GetPopupEvent(nsIDOMEvent** aEvent)=0;
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NS_IMETHOD SetPopupEvent(nsIDOMEvent* aEvent)=0;
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};
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class nsFocusSuppressor {
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public:
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~nsFocusSuppressor()
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{
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Unsuppress();
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}
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// Note: We assume that aReason outlives the instance of this class.
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void Suppress(nsIFocusController *aController, const char *aReason)
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{
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Unsuppress();
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mController = aController;
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mReason = aReason;
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if (aController) {
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mController->SetSuppressFocus(PR_TRUE, mReason);
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}
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}
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void Unsuppress()
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{
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if (mController) {
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mController->SetSuppressFocus(PR_FALSE, mReason);
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mController = nsnull;
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mReason = nsnull;
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}
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}
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PRBool Suppressing()
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{
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return mController != nsnull;
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}
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private:
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nsCOMPtr<nsIFocusController> mController;
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const char *mReason;
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};
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#endif // nsIFocusController_h__
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