1998-04-14 00:24:54 +04:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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1999-11-06 06:40:37 +03:00
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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1998-04-14 00:24:54 +04:00
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*
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1999-11-06 06:40:37 +03:00
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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1998-04-14 00:24:54 +04:00
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*
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1999-11-06 06:40:37 +03:00
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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 Netscape
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1998-04-14 00:24:54 +04:00
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* Communications Corporation. Portions created by Netscape are
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1999-11-06 06:40:37 +03:00
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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2000-03-21 18:51:59 +03:00
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* IBM Corporation
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*
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* This Original Code has been modified by IBM Corporation.
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* Modifications made by IBM described herein are
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* Copyright (c) International Business Machines
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* Corporation, 2000
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*
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* Modifications to Mozilla code or documentation
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* identified per MPL Section 3.3
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*
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* Date Modified by Description of modification
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* 03/20/2000 IBM Corp. BiDi - ability to change the default direction of the browser
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*
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1998-04-14 00:24:54 +04:00
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*/
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1999-02-12 20:45:58 +03:00
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#include "nsCOMPtr.h"
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1998-04-14 00:24:54 +04:00
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#include "nsPresContext.h"
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#include "nsIPresShell.h"
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1998-07-31 09:54:59 +04:00
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#include "nsIPref.h"
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1998-04-14 00:24:54 +04:00
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#include "nsILinkHandler.h"
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#include "nsIStyleSet.h"
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1998-05-12 02:56:58 +04:00
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#include "nsFrameImageLoader.h"
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1999-09-04 03:35:41 +04:00
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#include "nsIFrameManager.h"
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1998-04-14 00:24:54 +04:00
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#include "nsIImageGroup.h"
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#include "nsIFrame.h"
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#include "nsIRenderingContext.h"
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1998-06-24 01:53:02 +04:00
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#include "nsEventStateManager.h"
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1998-09-05 07:52:40 +04:00
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#include "nsIURL.h"
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#include "nsIDocument.h"
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1998-11-06 19:16:01 +03:00
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#include "nsIStyleContext.h"
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1998-12-02 03:32:20 +03:00
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#include "nsLayoutAtoms.h"
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1999-09-10 09:51:08 +04:00
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#include "nsILookAndFeel.h"
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#include "nsWidgetsCID.h"
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#include "nsIComponentManager.h"
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2000-02-15 07:49:32 +03:00
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#include "nsIURIContentListener.h"
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#include "nsIInterfaceRequestor.h"
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2000-03-02 10:13:02 +03:00
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#include "nsIServiceManager.h"
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2000-04-25 11:10:48 +04:00
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#include "nsBoxLayoutState.h"
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#include "nsIBox.h"
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2000-05-16 02:05:45 +04:00
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#include "nsIDOMElement.h"
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#include "nsContentPolicyUtils.h"
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2000-02-15 07:49:32 +03:00
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1998-11-06 19:16:01 +03:00
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#ifdef _WIN32
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#include <windows.h>
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#endif
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1998-04-14 00:24:54 +04:00
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1998-11-06 20:24:08 +03:00
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int
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1998-11-06 19:16:01 +03:00
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PrefChangedCallback(const char* aPrefName, void* instance_data)
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{
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nsPresContext* presContext = (nsPresContext*)instance_data;
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NS_ASSERTION(nsnull != presContext, "bad instance data");
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if (nsnull != presContext) {
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presContext->PreferenceChanged(aPrefName);
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}
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return 0; // PREF_OK
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}
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1998-05-09 07:22:01 +04:00
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static NS_DEFINE_IID(kIPresContextIID, NS_IPRESCONTEXT_IID);
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1999-09-10 09:51:08 +04:00
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static NS_DEFINE_IID(kLookAndFeelCID, NS_LOOKANDFEEL_CID);
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static NS_DEFINE_IID(kILookAndFeelIID, NS_ILOOKANDFEEL_IID);
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1998-04-14 00:24:54 +04:00
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nsPresContext::nsPresContext()
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1999-12-08 02:27:52 +03:00
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: mDefaultFont("serif", NS_FONT_STYLE_NORMAL,
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1998-04-14 00:24:54 +04:00
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NS_FONT_VARIANT_NORMAL,
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NS_FONT_WEIGHT_NORMAL,
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0,
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1998-08-01 03:34:45 +04:00
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NSIntPointsToTwips(12)),
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1999-12-08 02:27:52 +03:00
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mDefaultFixedFont("monospace", NS_FONT_STYLE_NORMAL,
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1998-07-17 09:41:41 +04:00
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NS_FONT_VARIANT_NORMAL,
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NS_FONT_WEIGHT_NORMAL,
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0,
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1998-08-01 03:34:45 +04:00
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NSIntPointsToTwips(10))
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1998-04-14 00:24:54 +04:00
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{
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NS_INIT_REFCNT();
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1999-07-07 05:21:25 +04:00
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mCompatibilityMode = eCompatibility_Standard;
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mCompatibilityLocked = PR_FALSE;
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1999-09-09 23:43:27 +04:00
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mWidgetRenderingMode = eWidgetRendering_Gfx;
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2000-05-13 05:39:20 +04:00
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mImageAnimationMode = eImageAnimation_Normal;
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1999-09-10 09:51:08 +04:00
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mLookAndFeel = nsnull;
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1999-11-19 10:29:13 +03:00
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mShell = nsnull;
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1998-07-25 05:11:49 +04:00
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1998-11-06 19:16:01 +03:00
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#ifdef _WIN32
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// XXX This needs to be elsewhere, e.g., part of nsIDeviceContext
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mDefaultColor = ::GetSysColor(COLOR_WINDOWTEXT);
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mDefaultBackgroundColor = ::GetSysColor(COLOR_WINDOW);
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#else
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1998-07-17 09:41:41 +04:00
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mDefaultColor = NS_RGB(0x00, 0x00, 0x00);
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mDefaultBackgroundColor = NS_RGB(0xFF, 0xFF, 0xFF);
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1998-11-06 19:16:01 +03:00
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#endif
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1999-06-13 02:31:15 +04:00
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mDefaultBackgroundImageAttachment = NS_STYLE_BG_ATTACHMENT_SCROLL;
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mDefaultBackgroundImageRepeat = NS_STYLE_BG_REPEAT_XY;
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mDefaultBackgroundImageOffsetX = mDefaultBackgroundImageOffsetY = 0;
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2000-03-21 18:51:59 +03:00
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mDefaultDirection = NS_STYLE_DIRECTION_LTR;
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1998-04-14 00:24:54 +04:00
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}
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nsPresContext::~nsPresContext()
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{
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2000-06-02 03:12:26 +04:00
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if (mShell) {
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nsCOMPtr<nsIDocument> doc;
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mShell->GetDocument(getter_AddRefs(doc));
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if (doc) {
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doc->RemoveCharSetObserver(this);
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}
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}
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1998-04-14 00:24:54 +04:00
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mShell = nsnull;
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1998-11-26 21:10:10 +03:00
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Stop();
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1998-04-14 00:24:54 +04:00
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1999-04-30 13:04:36 +04:00
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if (mImageGroup) {
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1998-08-18 05:43:35 +04:00
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// Interrupt any loading images. This also stops all looping
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// image animations.
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mImageGroup->Interrupt();
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1998-04-14 00:24:54 +04:00
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}
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1999-04-30 13:04:36 +04:00
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if (mEventManager)
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mEventManager->SetPresContext(nsnull); // unclear if this is needed, but can't hurt
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1998-11-18 08:25:26 +03:00
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1999-09-10 09:51:08 +04:00
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NS_IF_RELEASE(mLookAndFeel);
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1998-11-06 19:16:01 +03:00
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// Unregister preference callbacks
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1999-04-30 13:04:36 +04:00
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if (mPrefs) {
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2000-01-12 19:10:48 +03:00
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mPrefs->UnregisterCallback("font.", PrefChangedCallback, (void*)this);
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2000-06-22 09:41:11 +04:00
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mPrefs->UnregisterCallback("browser.display.", PrefChangedCallback, (void*)this);
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1998-11-13 05:47:33 +03:00
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}
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1998-04-14 00:24:54 +04:00
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}
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2000-06-02 03:12:26 +04:00
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NS_IMPL_ISUPPORTS2(nsPresContext, nsIPresContext, nsIObserver)
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1998-04-14 00:24:54 +04:00
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2000-01-12 19:10:48 +03:00
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void
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nsPresContext::GetFontPreferences()
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{
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if (mPrefs) {
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char* value = nsnull;
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mPrefs->CopyCharPref("font.default", &value);
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if (value) {
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2000-04-03 15:20:35 +04:00
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mDefaultFont.name.AssignWithConversion(value);
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2000-06-03 13:46:12 +04:00
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nsMemory::Free(value);
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2000-01-12 19:10:48 +03:00
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value = nsnull;
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}
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2000-05-06 01:04:36 +04:00
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if (mLanguage) {
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2000-04-03 15:20:35 +04:00
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nsAutoString pref; pref.AssignWithConversion("font.size.variable.");
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2000-01-12 19:10:48 +03:00
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const PRUnichar* langGroup = nsnull;
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2000-05-06 01:04:36 +04:00
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nsCOMPtr<nsIAtom> langGroupAtom;
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mLanguage->GetLanguageGroup(getter_AddRefs(langGroupAtom));
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langGroupAtom->GetUnicode(&langGroup);
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2000-01-12 19:10:48 +03:00
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pref.Append(langGroup);
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char name[128];
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pref.ToCString(name, sizeof(name));
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2000-01-20 04:20:11 +03:00
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PRInt32 variableSize = 16;
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mPrefs->GetIntPref(name, &variableSize);
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2000-04-03 15:20:35 +04:00
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pref.AssignWithConversion("font.size.fixed.");
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2000-01-20 04:20:11 +03:00
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pref.Append(langGroup);
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pref.ToCString(name, sizeof(name));
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2000-02-26 02:01:36 +03:00
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PRInt32 fixedSize = 13;
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2000-01-20 04:20:11 +03:00
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mPrefs->GetIntPref(name, &fixedSize);
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char* unit = nsnull;
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mPrefs->CopyCharPref("font.size.unit", &unit);
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char* defaultUnit = "px";
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if (!unit) {
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unit = defaultUnit;
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2000-01-15 19:30:13 +03:00
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}
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2000-01-20 04:20:11 +03:00
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if (!PL_strcmp(unit, "px")) {
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2000-01-15 19:30:13 +03:00
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float p2t;
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GetScaledPixelsToTwips(&p2t);
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2000-01-20 04:20:11 +03:00
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mDefaultFont.size = NSFloatPixelsToTwips((float) variableSize, p2t);
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mDefaultFixedFont.size = NSFloatPixelsToTwips((float) fixedSize, p2t);
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2000-01-15 19:30:13 +03:00
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}
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2000-01-20 04:20:11 +03:00
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else if (!PL_strcmp(unit, "pt")) {
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mDefaultFont.size = NSIntPointsToTwips(variableSize);
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mDefaultFixedFont.size = NSIntPointsToTwips(fixedSize);
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2000-01-15 19:30:13 +03:00
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}
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else {
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float p2t;
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GetScaledPixelsToTwips(&p2t);
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2000-01-20 04:20:11 +03:00
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mDefaultFont.size = NSFloatPixelsToTwips((float) variableSize, p2t);
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mDefaultFixedFont.size = NSFloatPixelsToTwips((float) fixedSize, p2t);
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2000-01-15 19:30:13 +03:00
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}
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2000-01-20 04:20:11 +03:00
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if (unit != defaultUnit) {
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2000-06-03 13:46:12 +04:00
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nsMemory::Free(unit);
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2000-01-20 04:20:11 +03:00
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unit = nsnull;
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2000-01-15 19:30:13 +03:00
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}
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2000-01-12 19:10:48 +03:00
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}
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}
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}
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1998-11-06 19:16:01 +03:00
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void
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nsPresContext::GetUserPreferences()
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{
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1999-04-03 00:41:58 +04:00
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PRInt32 prefInt;
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1998-11-06 19:16:01 +03:00
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2000-05-18 07:19:00 +04:00
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if (NS_OK == mPrefs->GetIntPref("browser.display.base_font_scaler", &prefInt)) {
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1998-11-06 19:16:01 +03:00
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mFontScaler = prefInt;
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}
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if (NS_OK == mPrefs->GetIntPref("nglayout.compatibility.mode", &prefInt)) {
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1999-08-08 05:14:50 +04:00
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// XXX this should really be a state on the webshell instead of using prefs
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1999-07-07 05:21:25 +04:00
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switch (prefInt) {
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case 1:
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mCompatibilityLocked = PR_TRUE;
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mCompatibilityMode = eCompatibility_Standard;
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break;
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case 2:
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mCompatibilityLocked = PR_TRUE;
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mCompatibilityMode = eCompatibility_NavQuirks;
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break;
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case 0: // auto
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default:
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mCompatibilityLocked = PR_FALSE;
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break;
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}
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}
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else {
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mCompatibilityLocked = PR_FALSE; // auto
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1998-11-06 19:16:01 +03:00
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}
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1999-03-03 01:43:26 +03:00
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if (NS_OK == mPrefs->GetIntPref("nglayout.widget.mode", &prefInt)) {
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mWidgetRenderingMode = (enum nsWidgetRendering)prefInt; // bad cast
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1999-05-04 01:32:15 +04:00
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}
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1999-03-03 01:43:26 +03:00
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1998-11-06 19:16:01 +03:00
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PRBool usePrefColors = PR_TRUE;
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#ifdef _WIN32
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1999-04-03 00:41:58 +04:00
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PRBool boolPref;
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1998-11-06 19:16:01 +03:00
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// XXX Is Windows the only platform that uses this?
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2000-05-18 07:19:00 +04:00
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if (NS_OK == mPrefs->GetBoolPref("browser.display.wfe.use_windows_colors", &boolPref)) {
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1999-04-03 00:41:58 +04:00
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usePrefColors = !boolPref;
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1998-11-06 19:16:01 +03:00
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}
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#endif
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if (usePrefColors) {
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1999-04-03 00:41:58 +04:00
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PRUint32 colorPref;
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2000-05-18 07:19:00 +04:00
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if (NS_OK == mPrefs->GetColorPrefDWord("browser.display.foreground_color", &colorPref)) {
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1998-11-06 19:16:01 +03:00
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mDefaultColor = (nscolor)colorPref;
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}
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2000-05-18 07:19:00 +04:00
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if (NS_OK == mPrefs->GetColorPrefDWord("browser.display.background_color", &colorPref)) {
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1998-11-06 19:16:01 +03:00
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mDefaultBackgroundColor = (nscolor)colorPref;
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}
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}
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2000-03-21 18:51:59 +03:00
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if (NS_OK == mPrefs->GetIntPref("browser.display.direction", &prefInt)) {
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mDefaultDirection = prefInt;
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}
|
2000-01-12 19:10:48 +03:00
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GetFontPreferences();
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1998-11-06 19:16:01 +03:00
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}
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2000-04-03 01:52:17 +04:00
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NS_IMETHODIMP
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nsPresContext::RemapStyleAndReflow()
|
1998-11-06 19:16:01 +03:00
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|
{
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1999-09-15 02:16:42 +04:00
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if (mShell) {
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// Have the root frame's style context remap its style based on the
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// user preferences
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nsIFrame* rootFrame;
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mShell->GetRootFrame(&rootFrame);
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if (rootFrame) {
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nsIStyleContext* rootStyleContext;
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|
|
|
|
rootFrame->GetStyleContext(&rootStyleContext);
|
|
|
|
rootStyleContext->RemapStyle(this);
|
|
|
|
NS_RELEASE(rootStyleContext);
|
2000-04-25 11:10:48 +04:00
|
|
|
|
|
|
|
// boxes know how to coelesce style changes. So if our root frame is a box
|
|
|
|
// then tell it to handle it. If its a block we are stuck with a full top to bottom
|
|
|
|
// reflow. -EDV
|
|
|
|
nsIFrame* child = nsnull;
|
|
|
|
rootFrame->FirstChild(this, nsnull, &child);
|
|
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsIBox> box = do_QueryInterface(child, &rv);
|
|
|
|
if (NS_SUCCEEDED(rv) && box) {
|
|
|
|
nsBoxLayoutState state(this);
|
|
|
|
box->MarkStyleChange(state);
|
|
|
|
} else {
|
|
|
|
// Force a reflow of the root frame
|
|
|
|
// XXX We really should only do a reflow if a preference that affects
|
|
|
|
// formatting changed, e.g., a font change. If it's just a color change
|
|
|
|
// then we only need to repaint...
|
|
|
|
mShell->StyleChangeReflow();
|
|
|
|
}
|
1999-09-15 02:16:42 +04:00
|
|
|
}
|
1998-11-06 19:16:01 +03:00
|
|
|
}
|
2000-04-03 01:52:17 +04:00
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
nsPresContext::PreferenceChanged(const char* aPrefName)
|
|
|
|
{
|
|
|
|
// Initialize our state from the user preferences
|
|
|
|
GetUserPreferences();
|
|
|
|
if (mDeviceContext) {
|
|
|
|
mDeviceContext->FlushFontCache();
|
|
|
|
RemapStyleAndReflow();
|
|
|
|
}
|
1998-11-06 19:16:01 +03:00
|
|
|
}
|
|
|
|
|
1998-11-26 21:10:10 +03:00
|
|
|
NS_IMETHODIMP
|
2000-03-02 10:13:02 +03:00
|
|
|
nsPresContext::Init(nsIDeviceContext* aDeviceContext)
|
1998-06-25 08:24:45 +04:00
|
|
|
{
|
|
|
|
NS_ASSERTION(!(mInitialized == PR_TRUE), "attempt to reinit pres context");
|
|
|
|
|
1999-04-30 13:04:36 +04:00
|
|
|
mDeviceContext = dont_QueryInterface(aDeviceContext);
|
1998-07-31 09:54:59 +04:00
|
|
|
|
2000-05-06 01:04:36 +04:00
|
|
|
mLangService = do_GetService(NS_LANGUAGEATOMSERVICE_PROGID);
|
2000-03-02 10:13:02 +03:00
|
|
|
mPrefs = do_GetService(NS_PREF_PROGID);
|
1999-04-30 13:04:36 +04:00
|
|
|
if (mPrefs) {
|
1998-11-06 19:16:01 +03:00
|
|
|
// Register callbacks so we're notified when the preferences change
|
2000-01-12 19:10:48 +03:00
|
|
|
mPrefs->RegisterCallback("font.", PrefChangedCallback, (void*)this);
|
2000-06-22 09:41:11 +04:00
|
|
|
mPrefs->RegisterCallback("browser.display.", PrefChangedCallback, (void*)this);
|
1998-07-31 09:54:59 +04:00
|
|
|
|
1998-11-06 19:16:01 +03:00
|
|
|
// Initialize our state from the user preferences
|
|
|
|
GetUserPreferences();
|
1998-07-31 09:54:59 +04:00
|
|
|
}
|
|
|
|
|
1998-06-25 08:24:45 +04:00
|
|
|
#ifdef DEBUG
|
|
|
|
mInitialized = PR_TRUE;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-04-14 00:24:54 +04:00
|
|
|
// Note: We don't hold a reference on the shell; it has a reference to
|
|
|
|
// us
|
1998-11-26 21:10:10 +03:00
|
|
|
NS_IMETHODIMP
|
1998-05-09 07:22:01 +04:00
|
|
|
nsPresContext::SetShell(nsIPresShell* aShell)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
|
|
|
mShell = aShell;
|
1998-09-05 07:52:40 +04:00
|
|
|
if (nsnull != mShell) {
|
1999-02-12 20:45:58 +03:00
|
|
|
nsCOMPtr<nsIDocument> doc;
|
|
|
|
if (NS_SUCCEEDED(mShell->GetDocument(getter_AddRefs(doc)))) {
|
1999-02-12 21:41:26 +03:00
|
|
|
NS_ASSERTION(doc, "expect document here");
|
|
|
|
if (doc) {
|
1999-04-30 13:04:36 +04:00
|
|
|
doc->GetBaseURL(*getter_AddRefs(mBaseURL));
|
2000-05-06 01:04:36 +04:00
|
|
|
if (mLangService) {
|
1999-12-08 02:27:52 +03:00
|
|
|
nsAutoString charset;
|
2000-06-02 03:12:26 +04:00
|
|
|
doc->AddCharSetObserver(this);
|
1999-12-08 02:27:52 +03:00
|
|
|
doc->GetDocumentCharacterSet(charset);
|
2000-05-06 01:04:36 +04:00
|
|
|
mLangService->LookupCharSet(charset.GetUnicode(),
|
|
|
|
getter_AddRefs(mLanguage));
|
2000-01-12 19:10:48 +03:00
|
|
|
GetFontPreferences();
|
1999-12-08 02:27:52 +03:00
|
|
|
}
|
1999-02-12 20:45:58 +03:00
|
|
|
}
|
1998-09-05 07:52:40 +04:00
|
|
|
}
|
|
|
|
}
|
1998-11-26 21:10:10 +03:00
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetShell(nsIPresShell** aResult)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
*aResult = mShell;
|
1998-05-09 07:22:01 +04:00
|
|
|
NS_IF_ADDREF(mShell);
|
1999-02-12 20:45:58 +03:00
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
2000-06-02 03:12:26 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::Observe(nsISupports* aSubject, const PRUnichar* aTopic,
|
|
|
|
const PRUnichar* aData)
|
|
|
|
{
|
|
|
|
if (mLangService) {
|
|
|
|
mLangService->LookupCharSet(aData, getter_AddRefs(mLanguage));
|
|
|
|
GetFontPreferences();
|
|
|
|
}
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-07-31 09:54:59 +04:00
|
|
|
NS_IMETHODIMP
|
1999-02-12 20:45:58 +03:00
|
|
|
nsPresContext::GetCompatibilityMode(nsCompatibility* aResult)
|
1998-07-31 09:54:59 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
*aResult = mCompatibilityMode;
|
1998-07-31 09:54:59 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1999-03-03 01:43:26 +03:00
|
|
|
|
1998-07-31 09:54:59 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::SetCompatibilityMode(nsCompatibility aMode)
|
|
|
|
{
|
1999-07-07 05:21:25 +04:00
|
|
|
if (! mCompatibilityLocked) {
|
|
|
|
mCompatibilityMode = aMode;
|
|
|
|
}
|
2000-06-03 01:45:06 +04:00
|
|
|
|
2000-06-22 00:44:59 +04:00
|
|
|
// enable/disable the QuirkSheet
|
|
|
|
NS_ASSERTION(mShell, "PresShell must be set on PresContext before calling nsPresContext::SetCompatibilityMode");
|
|
|
|
if (mShell) {
|
|
|
|
nsCOMPtr<nsIStyleSet> set;
|
|
|
|
nsresult rv = mShell->GetStyleSet(getter_AddRefs(set));
|
|
|
|
if (NS_SUCCEEDED(rv) && set) {
|
|
|
|
set->EnableQuirkStyleSheet((mCompatibilityMode != eCompatibility_Standard) ? PR_TRUE : PR_FALSE);
|
|
|
|
}
|
2000-06-03 01:45:06 +04:00
|
|
|
}
|
1998-07-31 09:54:59 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1999-03-03 01:43:26 +03:00
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetWidgetRenderingMode(nsWidgetRendering* aResult)
|
|
|
|
{
|
2000-05-13 05:39:20 +04:00
|
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
1999-03-03 01:43:26 +03:00
|
|
|
*aResult = mWidgetRenderingMode;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::SetWidgetRenderingMode(nsWidgetRendering aMode)
|
|
|
|
{
|
|
|
|
mWidgetRenderingMode = aMode;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2000-05-13 05:39:20 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetImageAnimationMode(nsImageAnimation* aModeResult)
|
|
|
|
{
|
|
|
|
NS_ENSURE_ARG_POINTER(aModeResult);
|
|
|
|
*aModeResult = mImageAnimationMode;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::SetImageAnimationMode(nsImageAnimation aMode)
|
|
|
|
{
|
|
|
|
mImageAnimationMode = aMode;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1999-03-03 01:43:26 +03:00
|
|
|
|
1999-09-10 09:51:08 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetLookAndFeel(nsILookAndFeel** aLookAndFeel)
|
|
|
|
{
|
|
|
|
NS_PRECONDITION(nsnull != aLookAndFeel, "null ptr");
|
|
|
|
if (nsnull == aLookAndFeel) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
nsresult result = NS_OK;
|
|
|
|
if (! mLookAndFeel) {
|
|
|
|
result = nsComponentManager::CreateInstance(kLookAndFeelCID, nsnull,
|
|
|
|
kILookAndFeelIID, (void**)&mLookAndFeel);
|
|
|
|
if (NS_FAILED(result)) {
|
|
|
|
mLookAndFeel = nsnull;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
NS_IF_ADDREF(mLookAndFeel);
|
|
|
|
*aLookAndFeel = mLookAndFeel;
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
1998-09-05 07:52:40 +04:00
|
|
|
NS_IMETHODIMP
|
1999-06-23 07:29:44 +04:00
|
|
|
nsPresContext::GetBaseURL(nsIURI** aResult)
|
1998-09-05 07:52:40 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
*aResult = mBaseURL;
|
1999-04-30 13:04:36 +04:00
|
|
|
NS_IF_ADDREF(*aResult);
|
1998-09-05 07:52:40 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1999-02-11 18:53:26 +03:00
|
|
|
NS_IMETHODIMP
|
1998-04-14 00:24:54 +04:00
|
|
|
nsPresContext::ResolveStyleContextFor(nsIContent* aContent,
|
1998-11-03 23:20:07 +03:00
|
|
|
nsIStyleContext* aParentContext,
|
1999-02-12 20:45:58 +03:00
|
|
|
PRBool aForceUnique,
|
|
|
|
nsIStyleContext** aResult)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
nsIStyleContext* result = nsnull;
|
|
|
|
nsCOMPtr<nsIStyleSet> set;
|
|
|
|
nsresult rv = mShell->GetStyleSet(getter_AddRefs(set));
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
1999-02-12 21:41:26 +03:00
|
|
|
if (set) {
|
1999-02-12 20:45:58 +03:00
|
|
|
result = set->ResolveStyleFor(this, aContent, aParentContext,
|
|
|
|
aForceUnique);
|
|
|
|
if (nsnull == result) {
|
|
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
*aResult = result;
|
|
|
|
return rv;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1999-02-11 18:53:26 +03:00
|
|
|
NS_IMETHODIMP
|
1998-11-03 23:20:07 +03:00
|
|
|
nsPresContext::ResolvePseudoStyleContextFor(nsIContent* aParentContent,
|
|
|
|
nsIAtom* aPseudoTag,
|
|
|
|
nsIStyleContext* aParentContext,
|
1999-02-12 20:45:58 +03:00
|
|
|
PRBool aForceUnique,
|
|
|
|
nsIStyleContext** aResult)
|
1998-05-19 01:06:33 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
1998-05-19 01:06:33 +04:00
|
|
|
}
|
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
nsIStyleContext* result = nsnull;
|
|
|
|
nsCOMPtr<nsIStyleSet> set;
|
|
|
|
nsresult rv = mShell->GetStyleSet(getter_AddRefs(set));
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
1999-02-12 21:41:26 +03:00
|
|
|
if (set) {
|
1999-02-12 20:45:58 +03:00
|
|
|
result = set->ResolvePseudoStyleFor(this, aParentContent, aPseudoTag,
|
|
|
|
aParentContext, aForceUnique);
|
|
|
|
if (nsnull == result) {
|
|
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
*aResult = result;
|
|
|
|
return rv;
|
1998-05-19 01:06:33 +04:00
|
|
|
}
|
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_IMETHODIMP
|
1998-11-03 23:20:07 +03:00
|
|
|
nsPresContext::ProbePseudoStyleContextFor(nsIContent* aParentContent,
|
|
|
|
nsIAtom* aPseudoTag,
|
|
|
|
nsIStyleContext* aParentContext,
|
1999-02-12 20:45:58 +03:00
|
|
|
PRBool aForceUnique,
|
|
|
|
nsIStyleContext** aResult)
|
1998-05-19 01:06:33 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
1998-05-19 01:06:33 +04:00
|
|
|
}
|
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
nsIStyleContext* result = nsnull;
|
|
|
|
nsCOMPtr<nsIStyleSet> set;
|
|
|
|
nsresult rv = mShell->GetStyleSet(getter_AddRefs(set));
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
1999-02-12 21:41:26 +03:00
|
|
|
if (set) {
|
1999-02-12 20:45:58 +03:00
|
|
|
result = set->ProbePseudoStyleFor(this, aParentContent, aPseudoTag,
|
|
|
|
aParentContext, aForceUnique);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
*aResult = result;
|
|
|
|
return rv;
|
1998-05-19 01:06:33 +04:00
|
|
|
}
|
|
|
|
|
1999-09-04 03:35:41 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::ReParentStyleContext(nsIFrame* aFrame,
|
|
|
|
nsIStyleContext* aNewParentContext)
|
|
|
|
{
|
|
|
|
NS_PRECONDITION(aFrame, "null ptr");
|
|
|
|
if (! aFrame) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
|
|
|
|
nsCOMPtr<nsIFrameManager> manager;
|
|
|
|
nsresult rv = mShell->GetFrameManager(getter_AddRefs(manager));
|
|
|
|
if (NS_SUCCEEDED(rv) && manager) {
|
1999-11-24 09:03:41 +03:00
|
|
|
rv = manager->ReParentStyleContext(this, aFrame, aNewParentContext);
|
1999-09-04 03:35:41 +04:00
|
|
|
}
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetMetricsFor(const nsFont& aFont, nsIFontMetrics** aResult)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
1998-08-28 00:43:04 +04:00
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
nsIFontMetrics* metrics = nsnull;
|
1999-04-30 13:04:36 +04:00
|
|
|
if (mDeviceContext) {
|
2000-05-06 01:04:36 +04:00
|
|
|
nsCOMPtr<nsIAtom> langGroup;
|
|
|
|
if (mLanguage) {
|
|
|
|
mLanguage->GetLanguageGroup(getter_AddRefs(langGroup));
|
|
|
|
}
|
|
|
|
mDeviceContext->GetMetricsFor(aFont, langGroup, metrics);
|
1998-08-28 00:43:04 +04:00
|
|
|
}
|
1999-02-12 20:45:58 +03:00
|
|
|
*aResult = metrics;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetDefaultFont(nsFont& aResult)
|
|
|
|
{
|
|
|
|
aResult = mDefaultFont;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1999-06-13 02:31:15 +04:00
|
|
|
NS_IMETHODIMP
|
2000-01-25 17:33:03 +03:00
|
|
|
nsPresContext::SetDefaultFont(const nsFont& aFont)
|
1999-06-13 02:31:15 +04:00
|
|
|
{
|
|
|
|
mDefaultFont = aFont;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetDefaultFixedFont(nsFont& aResult)
|
|
|
|
{
|
|
|
|
aResult = mDefaultFixedFont;
|
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1999-06-13 02:31:15 +04:00
|
|
|
NS_IMETHODIMP
|
2000-01-25 17:33:03 +03:00
|
|
|
nsPresContext::SetDefaultFixedFont(const nsFont& aFont)
|
1999-06-13 02:31:15 +04:00
|
|
|
{
|
|
|
|
mDefaultFixedFont = aFont;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-05-09 07:22:01 +04:00
|
|
|
const nsFont&
|
1999-02-12 20:45:58 +03:00
|
|
|
nsPresContext::GetDefaultFontDeprecated()
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
|
|
|
return mDefaultFont;
|
|
|
|
}
|
|
|
|
|
1998-07-17 09:41:41 +04:00
|
|
|
const nsFont&
|
1999-02-12 20:45:58 +03:00
|
|
|
nsPresContext::GetDefaultFixedFontDeprecated()
|
1998-07-17 09:41:41 +04:00
|
|
|
{
|
|
|
|
return mDefaultFixedFont;
|
|
|
|
}
|
|
|
|
|
1998-11-26 21:10:10 +03:00
|
|
|
NS_IMETHODIMP
|
1999-02-12 20:45:58 +03:00
|
|
|
nsPresContext::GetFontScaler(PRInt32* aResult)
|
1998-07-25 05:11:49 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
|
|
|
|
*aResult = mFontScaler;
|
1998-11-26 21:10:10 +03:00
|
|
|
return NS_OK;
|
1998-07-25 05:11:49 +04:00
|
|
|
}
|
|
|
|
|
1998-11-26 21:10:10 +03:00
|
|
|
NS_IMETHODIMP
|
1998-07-25 05:11:49 +04:00
|
|
|
nsPresContext::SetFontScaler(PRInt32 aScaler)
|
|
|
|
{
|
|
|
|
mFontScaler = aScaler;
|
1998-11-26 21:10:10 +03:00
|
|
|
return NS_OK;
|
1998-07-25 05:11:49 +04:00
|
|
|
}
|
|
|
|
|
1998-07-31 09:54:59 +04:00
|
|
|
NS_IMETHODIMP
|
1999-02-12 20:45:58 +03:00
|
|
|
nsPresContext::GetDefaultColor(nscolor* aResult)
|
1998-07-17 09:41:41 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
|
|
|
|
*aResult = mDefaultColor;
|
1998-07-17 09:41:41 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-07-31 09:54:59 +04:00
|
|
|
NS_IMETHODIMP
|
1999-02-12 20:45:58 +03:00
|
|
|
nsPresContext::GetDefaultBackgroundColor(nscolor* aResult)
|
1998-07-17 09:41:41 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
|
|
|
|
*aResult = mDefaultBackgroundColor;
|
1998-07-17 09:41:41 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1999-06-13 02:31:15 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetDefaultBackgroundImage(nsString& aImage)
|
|
|
|
{
|
|
|
|
aImage = mDefaultBackgroundImage;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetDefaultBackgroundImageRepeat(PRUint8* aRepeat)
|
|
|
|
{
|
|
|
|
NS_PRECONDITION(nsnull != aRepeat, "null ptr");
|
|
|
|
if (nsnull == aRepeat) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
*aRepeat = mDefaultBackgroundImageRepeat;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetDefaultBackgroundImageOffset(nscoord* aX, nscoord* aY)
|
|
|
|
{
|
|
|
|
NS_PRECONDITION((nsnull != aX) && (nsnull != aY), "null ptr");
|
|
|
|
if (!aX || !aY) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
*aX = mDefaultBackgroundImageOffsetX;
|
|
|
|
*aY = mDefaultBackgroundImageOffsetY;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetDefaultBackgroundImageAttachment(PRUint8* aAttachment)
|
|
|
|
{
|
|
|
|
NS_PRECONDITION(nsnull != aAttachment, "null ptr");
|
|
|
|
if (nsnull == aAttachment) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
*aAttachment = mDefaultBackgroundImageAttachment;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-07-31 09:54:59 +04:00
|
|
|
NS_IMETHODIMP
|
1999-02-12 20:45:58 +03:00
|
|
|
nsPresContext::SetDefaultColor(nscolor aColor)
|
1998-07-23 21:57:00 +04:00
|
|
|
{
|
|
|
|
mDefaultColor = aColor;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-07-31 09:54:59 +04:00
|
|
|
NS_IMETHODIMP
|
1999-02-12 20:45:58 +03:00
|
|
|
nsPresContext::SetDefaultBackgroundColor(nscolor aColor)
|
1998-07-23 21:57:00 +04:00
|
|
|
{
|
|
|
|
mDefaultBackgroundColor = aColor;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1999-06-13 02:31:15 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::SetDefaultBackgroundImage(const nsString& aImage)
|
|
|
|
{
|
|
|
|
mDefaultBackgroundImage = aImage;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::SetDefaultBackgroundImageRepeat(PRUint8 aRepeat)
|
|
|
|
{
|
|
|
|
mDefaultBackgroundImageRepeat = aRepeat;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::SetDefaultBackgroundImageOffset(nscoord aX, nscoord aY)
|
|
|
|
{
|
|
|
|
mDefaultBackgroundImageOffsetX = aX;
|
|
|
|
mDefaultBackgroundImageOffsetY = aY;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::SetDefaultBackgroundImageAttachment(PRUint8 aAttachment)
|
|
|
|
{
|
|
|
|
mDefaultBackgroundImageAttachment = aAttachment;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-11-26 21:10:10 +03:00
|
|
|
NS_IMETHODIMP
|
1998-05-22 22:36:40 +04:00
|
|
|
nsPresContext::GetVisibleArea(nsRect& aResult)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1998-05-22 22:36:40 +04:00
|
|
|
aResult = mVisibleArea;
|
1998-11-26 21:10:10 +03:00
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1998-11-26 21:10:10 +03:00
|
|
|
NS_IMETHODIMP
|
1998-05-09 07:22:01 +04:00
|
|
|
nsPresContext::SetVisibleArea(const nsRect& r)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
|
|
|
mVisibleArea = r;
|
1998-11-26 21:10:10 +03:00
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetPixelsToTwips(float* aResult) const
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
|
|
|
|
float p2t = 1.0f;
|
1999-04-30 13:04:36 +04:00
|
|
|
if (mDeviceContext) {
|
1998-08-28 02:45:35 +04:00
|
|
|
mDeviceContext->GetDevUnitsToAppUnits(p2t);
|
1998-05-09 07:22:01 +04:00
|
|
|
}
|
1999-02-12 20:45:58 +03:00
|
|
|
*aResult = p2t;
|
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetTwipsToPixels(float* aResult) const
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
|
|
|
|
float app2dev = 1.0f;
|
1999-04-30 13:04:36 +04:00
|
|
|
if (mDeviceContext) {
|
1998-08-28 02:45:35 +04:00
|
|
|
mDeviceContext->GetAppUnitsToDevUnits(app2dev);
|
1998-05-09 07:22:01 +04:00
|
|
|
}
|
1999-02-12 20:45:58 +03:00
|
|
|
*aResult = app2dev;
|
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetScaledPixelsToTwips(float* aResult) const
|
1998-11-14 04:52:27 +03:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
|
|
|
|
float scale = 1.0f;
|
1999-04-30 13:04:36 +04:00
|
|
|
if (mDeviceContext)
|
1998-11-14 04:52:27 +03:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
float p2t;
|
1998-11-14 04:52:27 +03:00
|
|
|
mDeviceContext->GetDevUnitsToAppUnits(p2t);
|
|
|
|
mDeviceContext->GetCanonicalPixelScale(scale);
|
1999-02-12 20:45:58 +03:00
|
|
|
scale = p2t * scale;
|
1998-11-14 04:52:27 +03:00
|
|
|
}
|
1999-02-12 20:45:58 +03:00
|
|
|
*aResult = scale;
|
1998-11-14 04:52:27 +03:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetDeviceContext(nsIDeviceContext** aResult) const
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
*aResult = mDeviceContext;
|
1999-04-30 13:04:36 +04:00
|
|
|
NS_IF_ADDREF(*aResult);
|
1999-02-12 20:45:58 +03:00
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1998-07-31 09:54:59 +04:00
|
|
|
NS_IMETHODIMP
|
1999-02-12 20:45:58 +03:00
|
|
|
nsPresContext::GetImageGroup(nsIImageGroup** aResult)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1999-02-12 20:45:58 +03:00
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
|
1999-04-30 13:04:36 +04:00
|
|
|
if (!mImageGroup) {
|
1998-05-09 07:22:01 +04:00
|
|
|
// Create image group
|
1999-04-30 13:04:36 +04:00
|
|
|
nsresult rv = NS_NewImageGroup(getter_AddRefs(mImageGroup));
|
1998-05-09 07:22:01 +04:00
|
|
|
if (NS_OK != rv) {
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Initialize the image group
|
2000-02-15 07:49:32 +03:00
|
|
|
nsCOMPtr<nsIURIContentListener> loadHandler (do_GetInterface(mContainer, &rv));
|
|
|
|
if (NS_SUCCEEDED(rv) && loadHandler)
|
|
|
|
{
|
|
|
|
nsCOMPtr<nsISupports> loadContext;
|
|
|
|
loadHandler->GetLoadCookie(getter_AddRefs(loadContext));
|
|
|
|
rv = mImageGroup->Init(mDeviceContext, loadContext);
|
1999-07-03 12:56:26 +04:00
|
|
|
}
|
2000-02-15 07:49:32 +03:00
|
|
|
|
1998-05-09 07:22:01 +04:00
|
|
|
if (NS_OK != rv) {
|
|
|
|
return rv;
|
|
|
|
}
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
1999-02-12 20:45:58 +03:00
|
|
|
|
|
|
|
*aResult = mImageGroup;
|
1999-04-30 13:04:36 +04:00
|
|
|
NS_IF_ADDREF(*aResult);
|
1998-05-12 02:56:58 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|
1998-04-14 00:24:54 +04:00
|
|
|
|
1998-07-31 09:54:59 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::StartLoadImage(const nsString& aURL,
|
|
|
|
const nscolor* aBackgroundColor,
|
1999-04-14 01:49:28 +04:00
|
|
|
const nsSize* aDesiredSize,
|
1998-07-31 09:54:59 +04:00
|
|
|
nsIFrame* aTargetFrame,
|
1999-04-14 01:49:28 +04:00
|
|
|
nsIFrameImageLoaderCB aCallBack,
|
|
|
|
void* aClosure,
|
|
|
|
nsIFrameImageLoader** aResult)
|
1998-05-12 02:56:58 +04:00
|
|
|
{
|
1998-11-26 21:10:10 +03:00
|
|
|
if (mStopped) {
|
1999-04-21 01:50:32 +04:00
|
|
|
if (aResult) {
|
|
|
|
*aResult = nsnull;
|
|
|
|
}
|
1998-11-26 21:10:10 +03:00
|
|
|
return NS_OK;
|
|
|
|
}
|
1998-11-23 20:18:34 +03:00
|
|
|
|
1999-05-07 04:06:03 +04:00
|
|
|
// Allow for a null target frame argument (for precached images)
|
2000-05-13 05:39:20 +04:00
|
|
|
if (aTargetFrame) {
|
1999-05-07 04:06:03 +04:00
|
|
|
// Mark frame as having loaded an image
|
|
|
|
nsFrameState state;
|
|
|
|
aTargetFrame->GetFrameState(&state);
|
|
|
|
state |= NS_FRAME_HAS_LOADED_IMAGES;
|
|
|
|
aTargetFrame->SetFrameState(state);
|
|
|
|
}
|
1999-04-14 01:49:28 +04:00
|
|
|
|
|
|
|
// Lookup image request in our loaders array (maybe the load request
|
|
|
|
// has already been made for that url at the desired size).
|
1998-05-09 07:22:01 +04:00
|
|
|
PRInt32 i, n = mImageLoaders.Count();
|
1998-05-12 02:56:58 +04:00
|
|
|
nsIFrameImageLoader* loader;
|
1998-05-09 07:22:01 +04:00
|
|
|
for (i = 0; i < n; i++) {
|
1999-04-14 01:49:28 +04:00
|
|
|
PRBool same;
|
1998-05-12 02:56:58 +04:00
|
|
|
loader = (nsIFrameImageLoader*) mImageLoaders.ElementAt(i);
|
1999-04-14 01:49:28 +04:00
|
|
|
loader->IsSameImageRequest(aURL, aBackgroundColor, aDesiredSize, &same);
|
|
|
|
if (same) {
|
|
|
|
// This is pretty sick, but because we can get a notification
|
|
|
|
// *before* the caller has returned we have to store into
|
|
|
|
// aResult before calling the AddFrame method.
|
|
|
|
if (aResult) {
|
|
|
|
NS_ADDREF(loader);
|
|
|
|
*aResult = loader;
|
1998-05-12 02:56:58 +04:00
|
|
|
}
|
1999-04-14 01:49:28 +04:00
|
|
|
|
|
|
|
// Add frame to list of interested frames for this loader
|
|
|
|
loader->AddFrame(aTargetFrame, aCallBack, aClosure);
|
|
|
|
return NS_OK;
|
1998-05-12 02:56:58 +04:00
|
|
|
}
|
|
|
|
}
|
2000-05-16 02:05:45 +04:00
|
|
|
|
|
|
|
// Check with the content-policy things to make sure this load is permitted.
|
|
|
|
PRBool shouldLoad = PR_TRUE; // default permit
|
|
|
|
nsCOMPtr<nsIContent> content;
|
|
|
|
nsCOMPtr<nsIDOMElement> element;
|
|
|
|
if (aTargetFrame &&
|
|
|
|
NS_SUCCEEDED(aTargetFrame->GetContent(getter_AddRefs(content)))) {
|
|
|
|
element = do_QueryInterface(content);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (NS_SUCCEEDED(NS_CheckContentLoadPolicy(nsIContentPolicy::CONTENT_IMAGE,
|
|
|
|
aURL, element, &shouldLoad))
|
|
|
|
&& !shouldLoad) {
|
|
|
|
return NS_OK;
|
|
|
|
}
|
1998-05-12 02:56:58 +04:00
|
|
|
|
|
|
|
// Create image group if needed
|
|
|
|
nsresult rv;
|
1999-04-30 13:04:36 +04:00
|
|
|
if (!mImageGroup) {
|
1999-02-12 20:45:58 +03:00
|
|
|
nsCOMPtr<nsIImageGroup> group;
|
1999-04-30 13:04:36 +04:00
|
|
|
rv = GetImageGroup(getter_AddRefs(group)); // sets mImageGroup as side effect
|
1998-05-12 02:56:58 +04:00
|
|
|
if (NS_OK != rv) {
|
|
|
|
return rv;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
1998-05-09 07:22:01 +04:00
|
|
|
// We haven't seen that image before. Create a new loader and
|
|
|
|
// start it going.
|
1998-05-12 02:56:58 +04:00
|
|
|
rv = NS_NewFrameImageLoader(&loader);
|
|
|
|
if (NS_OK != rv) {
|
|
|
|
return rv;
|
|
|
|
}
|
1998-08-19 22:07:27 +04:00
|
|
|
mImageLoaders.AppendElement(loader);
|
1998-06-03 02:05:45 +04:00
|
|
|
|
1999-04-14 01:49:28 +04:00
|
|
|
// This is pretty sick, but because we can get a notification
|
|
|
|
// *before* the caller has returned we have to store into aResult
|
|
|
|
// before calling the loaders init method.
|
|
|
|
if (aResult) {
|
|
|
|
*aResult = loader;
|
|
|
|
NS_ADDREF(loader);
|
|
|
|
}
|
|
|
|
|
|
|
|
rv = loader->Init(this, mImageGroup, aURL, aBackgroundColor, aDesiredSize,
|
2000-05-13 05:39:20 +04:00
|
|
|
aTargetFrame, mImageAnimationMode, aCallBack, aClosure);
|
1998-06-03 02:05:45 +04:00
|
|
|
if (NS_OK != rv) {
|
1998-08-19 22:07:27 +04:00
|
|
|
mImageLoaders.RemoveElement(loader);
|
1999-04-23 23:57:49 +04:00
|
|
|
loader->StopImageLoad();
|
1998-08-18 05:43:35 +04:00
|
|
|
NS_RELEASE(loader);
|
1999-04-14 01:49:28 +04:00
|
|
|
|
|
|
|
// Undo premature store of reslut
|
|
|
|
if (aResult) {
|
|
|
|
*aResult = nsnull;
|
|
|
|
NS_RELEASE(loader);
|
|
|
|
}
|
1998-06-03 02:05:45 +04:00
|
|
|
return rv;
|
|
|
|
}
|
1998-05-09 07:22:01 +04:00
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1998-11-26 21:10:10 +03:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::Stop(void)
|
|
|
|
{
|
|
|
|
PRInt32 n = mImageLoaders.Count();
|
|
|
|
for (PRInt32 i = 0; i < n; i++) {
|
|
|
|
nsIFrameImageLoader* loader;
|
|
|
|
loader = (nsIFrameImageLoader*) mImageLoaders.ElementAt(i);
|
|
|
|
loader->StopImageLoad();
|
|
|
|
NS_RELEASE(loader);
|
|
|
|
}
|
|
|
|
mImageLoaders.Clear();
|
|
|
|
mStopped = PR_TRUE;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-07-31 09:54:59 +04:00
|
|
|
NS_IMETHODIMP
|
1999-04-14 01:49:28 +04:00
|
|
|
nsPresContext::StopLoadImage(nsIFrame* aTargetFrame,
|
|
|
|
nsIFrameImageLoader* aLoader)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1998-05-09 07:22:01 +04:00
|
|
|
PRInt32 i, n = mImageLoaders.Count();
|
1999-04-14 01:49:28 +04:00
|
|
|
nsIFrameImageLoader* loader;
|
|
|
|
for (i = 0; i < n; i++) {
|
1998-05-12 02:56:58 +04:00
|
|
|
loader = (nsIFrameImageLoader*) mImageLoaders.ElementAt(i);
|
1999-04-14 01:49:28 +04:00
|
|
|
if (loader == aLoader) {
|
|
|
|
// Remove frame from list of interested frames for this loader
|
|
|
|
loader->RemoveFrame(aTargetFrame);
|
|
|
|
|
|
|
|
// If loader is no longer loading for anybody and its safe to
|
|
|
|
// nuke it, nuke it.
|
|
|
|
PRBool safe;
|
|
|
|
loader->SafeToDestroy(&safe);
|
|
|
|
if (safe) {
|
1999-04-23 23:57:49 +04:00
|
|
|
loader->StopImageLoad();
|
1999-04-14 01:49:28 +04:00
|
|
|
NS_RELEASE(loader);
|
|
|
|
mImageLoaders.RemoveElementAt(i);
|
|
|
|
n--;
|
|
|
|
i--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::StopAllLoadImagesFor(nsIFrame* aTargetFrame)
|
|
|
|
{
|
|
|
|
nsFrameState state;
|
|
|
|
aTargetFrame->GetFrameState(&state);
|
|
|
|
if (NS_FRAME_HAS_LOADED_IMAGES & state) {
|
|
|
|
nsIFrameImageLoader* loader;
|
|
|
|
PRInt32 i, n = mImageLoaders.Count();
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
PRBool safe;
|
|
|
|
loader = (nsIFrameImageLoader*) mImageLoaders.ElementAt(i);
|
|
|
|
loader->RemoveFrame(aTargetFrame);
|
|
|
|
loader->SafeToDestroy(&safe);
|
|
|
|
if (safe) {
|
1999-04-23 23:57:49 +04:00
|
|
|
loader->StopImageLoad();
|
1999-04-14 01:49:28 +04:00
|
|
|
NS_RELEASE(loader);
|
|
|
|
mImageLoaders.RemoveElementAt(i);
|
|
|
|
n--;
|
|
|
|
i--;
|
1998-11-23 20:18:34 +03:00
|
|
|
}
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
}
|
1998-05-09 07:22:01 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::SetLinkHandler(nsILinkHandler* aHandler)
|
1999-04-30 13:04:36 +04:00
|
|
|
{
|
1998-04-14 00:24:54 +04:00
|
|
|
mLinkHandler = aHandler;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-05-09 07:22:01 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetLinkHandler(nsILinkHandler** aResult)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
*aResult = mLinkHandler;
|
|
|
|
NS_IF_ADDREF(mLinkHandler);
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-05-09 07:22:01 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::SetContainer(nsISupports* aHandler)
|
1999-04-30 13:04:36 +04:00
|
|
|
{
|
1998-04-14 00:24:54 +04:00
|
|
|
mContainer = aHandler;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-05-09 07:22:01 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetContainer(nsISupports** aResult)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
|
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
|
|
if (nsnull == aResult) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
*aResult = mContainer;
|
|
|
|
NS_IF_ADDREF(mContainer);
|
|
|
|
return NS_OK;
|
|
|
|
}
|
1998-06-24 01:53:02 +04:00
|
|
|
|
1998-07-31 09:54:59 +04:00
|
|
|
NS_IMETHODIMP
|
1998-06-24 01:53:02 +04:00
|
|
|
nsPresContext::GetEventStateManager(nsIEventStateManager** aManager)
|
|
|
|
{
|
|
|
|
NS_PRECONDITION(nsnull != aManager, "null ptr");
|
|
|
|
if (nsnull == aManager) {
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
}
|
|
|
|
|
1999-04-30 13:52:22 +04:00
|
|
|
if (!mEventManager) {
|
1999-04-30 13:04:36 +04:00
|
|
|
nsresult rv = NS_NewEventStateManager(getter_AddRefs(mEventManager));
|
1998-06-24 01:53:02 +04:00
|
|
|
if (NS_OK != rv) {
|
|
|
|
return rv;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
1998-11-18 08:25:26 +03:00
|
|
|
//Not refcnted, set null in destructor
|
|
|
|
mEventManager->SetPresContext(this);
|
|
|
|
|
1998-06-24 01:53:02 +04:00
|
|
|
*aManager = mEventManager;
|
1999-04-30 13:04:36 +04:00
|
|
|
NS_IF_ADDREF(*aManager);
|
1998-06-24 01:53:02 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|
2000-03-21 18:51:59 +03:00
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetDefaultDirection(PRUint8* aDirection)
|
|
|
|
{
|
|
|
|
*aDirection = mDefaultDirection;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::SetDefaultDirection(PRUint8 aDirection)
|
|
|
|
{
|
|
|
|
mDefaultDirection = aDirection;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
2000-04-21 18:59:47 +04:00
|
|
|
|
2000-05-06 01:04:36 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::GetLanguage(nsILanguageAtom** aLanguage)
|
|
|
|
{
|
|
|
|
NS_ENSURE_ARG_POINTER(aLanguage);
|
|
|
|
|
|
|
|
*aLanguage = mLanguage;
|
|
|
|
NS_IF_ADDREF(*aLanguage);
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2000-04-21 18:59:47 +04:00
|
|
|
#ifdef MOZ_REFLOW_PERF
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsPresContext::CountReflows(const char * aName, PRUint32 aType)
|
|
|
|
{
|
|
|
|
if (mShell) {
|
|
|
|
mShell->CountReflows(aName, aType);
|
|
|
|
}
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
#endif
|