mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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375 lines
9.9 KiB
C++
375 lines
9.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Travis Bogard <travis@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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#include "nsBarProps.h"
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#include "nsCOMPtr.h"
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#include "nscore.h"
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#include "nsGlobalWindow.h"
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#include "nsStyleConsts.h"
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#include "nsIDocShell.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsIScrollable.h"
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#include "nsIWebBrowserChrome.h"
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#include "nsIDOMWindow.h"
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#include "nsDOMClassInfoID.h"
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//
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// Basic (virtual) BarProp class implementation
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//
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nsBarProp::nsBarProp(nsGlobalWindow *aWindow)
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{
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mDOMWindow = aWindow;
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nsISupports *supwin = static_cast<nsIScriptGlobalObject *>(aWindow);
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mDOMWindowWeakref = do_GetWeakReference(supwin);
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}
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nsBarProp::~nsBarProp()
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{
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}
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DOMCI_DATA(BarProp, nsBarProp)
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// QueryInterface implementation for BarProp
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NS_INTERFACE_MAP_BEGIN(nsBarProp)
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NS_INTERFACE_MAP_ENTRY(nsIDOMBarProp)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(BarProp)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(nsBarProp)
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NS_IMPL_RELEASE(nsBarProp)
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NS_IMETHODIMP
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nsBarProp::GetVisibleByFlag(bool *aVisible, PRUint32 aChromeFlag)
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{
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*aVisible = false;
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nsCOMPtr<nsIWebBrowserChrome> browserChrome = GetBrowserChrome();
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NS_ENSURE_TRUE(browserChrome, NS_OK);
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PRUint32 chromeFlags;
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NS_ENSURE_SUCCESS(browserChrome->GetChromeFlags(&chromeFlags),
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NS_ERROR_FAILURE);
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if (chromeFlags & aChromeFlag)
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*aVisible = true;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBarProp::SetVisibleByFlag(bool aVisible, PRUint32 aChromeFlag)
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{
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nsCOMPtr<nsIWebBrowserChrome> browserChrome = GetBrowserChrome();
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NS_ENSURE_TRUE(browserChrome, NS_OK);
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bool enabled = false;
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nsCOMPtr<nsIScriptSecurityManager>
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securityManager(do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID));
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if (securityManager)
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securityManager->IsCapabilityEnabled("UniversalBrowserWrite", &enabled);
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if (!enabled)
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return NS_OK;
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PRUint32 chromeFlags;
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NS_ENSURE_SUCCESS(browserChrome->GetChromeFlags(&chromeFlags),
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NS_ERROR_FAILURE);
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if (aVisible)
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chromeFlags |= aChromeFlag;
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else
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chromeFlags &= ~aChromeFlag;
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NS_ENSURE_SUCCESS(browserChrome->SetChromeFlags(chromeFlags),
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NS_ERROR_FAILURE);
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return NS_OK;
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}
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already_AddRefed<nsIWebBrowserChrome>
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nsBarProp::GetBrowserChrome()
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{
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// Check that the window is still alive.
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nsCOMPtr<nsIDOMWindow> domwin(do_QueryReferent(mDOMWindowWeakref));
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if (!domwin)
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return nsnull;
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nsIWebBrowserChrome *browserChrome = nsnull;
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mDOMWindow->GetWebBrowserChrome(&browserChrome);
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return browserChrome;
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}
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//
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// MenubarProp class implementation
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//
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nsMenubarProp::nsMenubarProp(nsGlobalWindow *aWindow)
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: nsBarProp(aWindow)
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{
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}
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nsMenubarProp::~nsMenubarProp()
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{
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}
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NS_IMETHODIMP
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nsMenubarProp::GetVisible(bool *aVisible)
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{
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return nsBarProp::GetVisibleByFlag(aVisible,
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nsIWebBrowserChrome::CHROME_MENUBAR);
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}
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NS_IMETHODIMP
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nsMenubarProp::SetVisible(bool aVisible)
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{
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return nsBarProp::SetVisibleByFlag(aVisible,
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nsIWebBrowserChrome::CHROME_MENUBAR);
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}
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//
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// ToolbarProp class implementation
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//
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nsToolbarProp::nsToolbarProp(nsGlobalWindow *aWindow)
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: nsBarProp(aWindow)
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{
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}
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nsToolbarProp::~nsToolbarProp()
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{
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}
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NS_IMETHODIMP
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nsToolbarProp::GetVisible(bool *aVisible)
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{
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return nsBarProp::GetVisibleByFlag(aVisible,
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nsIWebBrowserChrome::CHROME_TOOLBAR);
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}
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NS_IMETHODIMP
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nsToolbarProp::SetVisible(bool aVisible)
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{
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return nsBarProp::SetVisibleByFlag(aVisible,
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nsIWebBrowserChrome::CHROME_TOOLBAR);
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}
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//
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// LocationbarProp class implementation
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//
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nsLocationbarProp::nsLocationbarProp(nsGlobalWindow *aWindow)
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: nsBarProp(aWindow)
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{
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}
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nsLocationbarProp::~nsLocationbarProp()
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{
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}
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NS_IMETHODIMP
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nsLocationbarProp::GetVisible(bool *aVisible)
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{
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return
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nsBarProp::GetVisibleByFlag(aVisible,
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nsIWebBrowserChrome::CHROME_LOCATIONBAR);
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}
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NS_IMETHODIMP
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nsLocationbarProp::SetVisible(bool aVisible)
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{
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return
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nsBarProp::SetVisibleByFlag(aVisible,
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nsIWebBrowserChrome::CHROME_LOCATIONBAR);
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}
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//
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// PersonalbarProp class implementation
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//
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nsPersonalbarProp::nsPersonalbarProp(nsGlobalWindow *aWindow)
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: nsBarProp(aWindow)
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{
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}
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nsPersonalbarProp::~nsPersonalbarProp()
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{
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}
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NS_IMETHODIMP
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nsPersonalbarProp::GetVisible(bool *aVisible)
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{
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return
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nsBarProp::GetVisibleByFlag(aVisible,
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nsIWebBrowserChrome::CHROME_PERSONAL_TOOLBAR);
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}
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NS_IMETHODIMP
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nsPersonalbarProp::SetVisible(bool aVisible)
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{
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return
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nsBarProp::SetVisibleByFlag(aVisible,
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nsIWebBrowserChrome::CHROME_PERSONAL_TOOLBAR);
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}
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//
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// StatusbarProp class implementation
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//
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nsStatusbarProp::nsStatusbarProp(nsGlobalWindow *aWindow)
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: nsBarProp(aWindow)
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{
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}
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nsStatusbarProp::~nsStatusbarProp()
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{
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}
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NS_IMETHODIMP
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nsStatusbarProp::GetVisible(bool *aVisible)
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{
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return nsBarProp::GetVisibleByFlag(aVisible,
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nsIWebBrowserChrome::CHROME_STATUSBAR);
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}
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NS_IMETHODIMP
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nsStatusbarProp::SetVisible(bool aVisible)
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{
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return nsBarProp::SetVisibleByFlag(aVisible,
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nsIWebBrowserChrome::CHROME_STATUSBAR);
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}
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//
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// ScrollbarsProp class implementation
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//
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nsScrollbarsProp::nsScrollbarsProp(nsGlobalWindow *aWindow)
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: nsBarProp(aWindow)
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{
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}
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nsScrollbarsProp::~nsScrollbarsProp()
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{
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}
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NS_IMETHODIMP
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nsScrollbarsProp::GetVisible(bool *aVisible)
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{
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*aVisible = true; // one assumes
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nsCOMPtr<nsIDOMWindow> domwin(do_QueryReferent(mDOMWindowWeakref));
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if (domwin) { // dom window not deleted
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nsCOMPtr<nsIScrollable> scroller =
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do_QueryInterface(mDOMWindow->GetDocShell());
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if (scroller) {
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PRInt32 prefValue;
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scroller->GetDefaultScrollbarPreferences(
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nsIScrollable::ScrollOrientation_Y, &prefValue);
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if (prefValue == nsIScrollable::Scrollbar_Never) // try the other way
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scroller->GetDefaultScrollbarPreferences(
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nsIScrollable::ScrollOrientation_X, &prefValue);
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if (prefValue == nsIScrollable::Scrollbar_Never)
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*aVisible = false;
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsScrollbarsProp::SetVisible(bool aVisible)
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{
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bool enabled = false;
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nsCOMPtr<nsIScriptSecurityManager>
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securityManager(do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID));
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if (securityManager)
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securityManager->IsCapabilityEnabled("UniversalBrowserWrite", &enabled);
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if (!enabled)
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return NS_OK;
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/* Scrollbars, unlike the other barprops, implement visibility directly
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rather than handing off to the superclass (and from there to the
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chrome window) because scrollbar visibility uniquely applies only
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to the window making the change (arguably. it does now, anyway.)
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and because embedding apps have no interface for implementing this
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themselves, and therefore the implementation must be internal. */
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nsCOMPtr<nsIDOMWindow> domwin(do_QueryReferent(mDOMWindowWeakref));
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if (domwin) { // dom window must still exist. use away.
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nsCOMPtr<nsIScrollable> scroller =
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do_QueryInterface(mDOMWindow->GetDocShell());
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if (scroller) {
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PRInt32 prefValue;
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if (aVisible) {
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prefValue = nsIScrollable::Scrollbar_Auto;
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} else {
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prefValue = nsIScrollable::Scrollbar_Never;
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}
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scroller->SetDefaultScrollbarPreferences(
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nsIScrollable::ScrollOrientation_Y, prefValue);
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scroller->SetDefaultScrollbarPreferences(
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nsIScrollable::ScrollOrientation_X, prefValue);
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}
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}
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/* Notably absent is the part where we notify the chrome window using
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GetBrowserChrome()->SetChromeFlags(). Given the possibility of multiple
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DOM windows (multiple top-level windows, even) within a single
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chrome window, the historical concept of a single "has scrollbars"
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flag in the chrome is inapplicable, and we can't tell at this level
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whether we represent the particular DOM window that makes this decision
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for the chrome.
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So only this object (and its corresponding DOM window) knows whether
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scrollbars are visible. The corresponding chrome window will need to
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ask (one of) its DOM window(s) when it needs to know about scrollbar
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visibility, rather than caching its own copy of that information.
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*/
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return NS_OK;
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}
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