зеркало из https://github.com/mozilla/gecko-dev.git
1469 строки
38 KiB
C++
1469 строки
38 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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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*
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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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*
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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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* Communications Corporation. Portions created by Netscape are
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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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* IBM Corporation
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*/
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#include "nsCOMPtr.h"
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#include "nsPresContext.h"
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#include "nsIPresShell.h"
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#include "nsIPref.h"
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#include "nsILinkHandler.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsIStyleSet.h"
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#include "nsIFrameManager.h"
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#include "nsImageLoader.h"
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#include "nsIContent.h"
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#include "nsIFrame.h"
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#include "nsIRenderingContext.h"
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#include "nsIURL.h"
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#include "nsIDocument.h"
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#include "nsIStyleContext.h"
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#include "nsLayoutAtoms.h"
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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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#include "nsIURIContentListener.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIServiceManager.h"
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#include "nsBoxLayoutState.h"
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#include "nsIBox.h"
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#include "nsIDOMElement.h"
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#include "nsContentPolicyUtils.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIDOMWindow.h"
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#include "nsNetUtil.h"
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#include "nsXPIDLString.h"
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#include "prprf.h"
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#ifdef IBMBIDI
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#include "nsBidiPresUtils.h"
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#endif // IBMBIDI
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static nscolor
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MakeColorPref(const char *colstr)
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{
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PRUint32 red, green, blue;
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nscolor colorref;
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// 4.x stored RGB color values as a string rather than as an int,
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// thus we need to do this conversion
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PR_sscanf(colstr, "#%02x%02x%02x", &red, &green, &blue);
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colorref = NS_RGB(red, green, blue);
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return colorref;
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}
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int PR_CALLBACK
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nsPresContext::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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#ifdef IBMBIDI
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PRBool
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IsVisualCharset(const nsAutoString& aCharset)
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{
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if (aCharset.EqualsIgnoreCase("ibm864") // Arabic//ahmed
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|| aCharset.EqualsIgnoreCase("ibm862") // Hebrew
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|| aCharset.EqualsIgnoreCase("iso-8859-8") ) { // Hebrew
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return PR_TRUE; // visual text type
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}
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else {
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return PR_FALSE; // logical text type
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}
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}
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#endif // IBMBIDI
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PR_STATIC_CALLBACK(PRBool) destroy_loads(nsHashKey *aKey, void *aData, void* closure)
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{
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nsISupports *sup = NS_REINTERPRET_CAST(nsISupports*, aData);
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nsImageLoader *loader = NS_REINTERPRET_CAST(nsImageLoader*, sup);
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loader->Destroy();
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return PR_TRUE;
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}
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static NS_DEFINE_CID(kLookAndFeelCID, NS_LOOKANDFEEL_CID);
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#include "nsContentCID.h"
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static NS_DEFINE_CID(kEventStateManagerCID, NS_EVENTSTATEMANAGER_CID);
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nsPresContext::nsPresContext()
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: mDefaultFont("serif", NS_FONT_STYLE_NORMAL,
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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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NSIntPointsToTwips(12)),
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mDefaultFixedFont("monospace", NS_FONT_STYLE_NORMAL,
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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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NSIntPointsToTwips(10))
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{
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NS_INIT_REFCNT();
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mCompatibilityMode = eCompatibility_Standard;
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mCompatibilityLocked = PR_FALSE;
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mWidgetRenderingMode = eWidgetRendering_Gfx;
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mImageAnimationMode = eImageAnimation_Normal;
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mImageAnimationModePref = eImageAnimation_Normal;
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mStopped = PR_FALSE;
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mStopChrome = PR_TRUE;
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mShell = nsnull;
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mDefaultColor = NS_RGB(0x00, 0x00, 0x00);
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mDefaultBackgroundColor = NS_RGB(0xFF, 0xFF, 0xFF);
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nsILookAndFeel* look = nsnull;
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if (NS_SUCCEEDED(GetLookAndFeel(&look)) && look) {
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look->GetColor(nsILookAndFeel::eColor_WindowForeground, mDefaultColor);
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look->GetColor(nsILookAndFeel::eColor_WindowBackground, mDefaultBackgroundColor);
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NS_RELEASE(look);
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}
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mUseDocumentColors = PR_TRUE;
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mUseDocumentFonts = PR_TRUE;
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mLinkColor = NS_RGB(0x33, 0x33, 0xFF);
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mVisitedLinkColor = NS_RGB(0x66, 0x00, 0xCC);
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mUnderlineLinks = PR_TRUE;
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mUseFocusColors = PR_FALSE;
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mFocusTextColor = mDefaultColor;
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mFocusBackgroundColor = mDefaultBackgroundColor;
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mFocusRingWidth = 1;
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mFocusRingOnAnything = PR_FALSE;
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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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mLanguageSpecificTransformType = eLanguageSpecificTransformType_Unknown;
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mIsRenderingOnlySelection = PR_FALSE;
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#ifdef IBMBIDI
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mIsVisual = PR_FALSE;
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mBidiUtils = nsnull;
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mIsBidiSystem = PR_FALSE;
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mBidi = 0;
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#endif // IBMBIDI
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}
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nsPresContext::~nsPresContext()
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{
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mImageLoaders.Enumerate(destroy_loads);
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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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mShell = nsnull;
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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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// Unregister preference callbacks
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if (mPrefs) {
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mPrefs->UnregisterCallback("font.", nsPresContext::PrefChangedCallback, (void*)this);
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mPrefs->UnregisterCallback("browser.display.", nsPresContext::PrefChangedCallback, (void*)this);
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mPrefs->UnregisterCallback("browser.underline_anchors", nsPresContext::PrefChangedCallback, (void*)this);
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mPrefs->UnregisterCallback("browser.anchor_color", nsPresContext::PrefChangedCallback, (void*)this);
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mPrefs->UnregisterCallback("browser.visited_color", nsPresContext::PrefChangedCallback, (void*)this);
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mPrefs->UnregisterCallback("network.image.imageBehavior", nsPresContext::PrefChangedCallback, (void*)this);
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mPrefs->UnregisterCallback("image.animation_mode", nsPresContext::PrefChangedCallback, (void*)this);
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}
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#ifdef IBMBIDI
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if (mBidiUtils) {
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delete mBidiUtils;
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}
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#endif // IBMBIDI
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}
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NS_IMPL_ISUPPORTS2(nsPresContext, nsIPresContext, nsIObserver)
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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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mDefaultFont.name.AssignWithConversion(value);
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nsMemory::Free(value);
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value = nsnull;
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}
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if (mLanguage) {
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nsAutoString pref; pref.AssignWithConversion("font.size.variable.");
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const PRUnichar* langGroup = nsnull;
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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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pref.Append(langGroup);
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char name[128];
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pref.ToCString(name, sizeof(name));
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PRInt32 variableSize = 16;
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mPrefs->GetIntPref(name, &variableSize);
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pref.AssignWithConversion("font.size.fixed.");
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pref.Append(langGroup);
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pref.ToCString(name, sizeof(name));
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PRInt32 fixedSize = 13;
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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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}
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if (!PL_strcmp(unit, "px")) {
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float p2t;
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GetScaledPixelsToTwips(&p2t);
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mDefaultFont.size = NSFloatPixelsToTwips((float) variableSize, p2t);
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mDefaultFixedFont.size = NSFloatPixelsToTwips((float) fixedSize, p2t);
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}
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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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}
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else {
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float p2t;
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GetScaledPixelsToTwips(&p2t);
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mDefaultFont.size = NSFloatPixelsToTwips((float) variableSize, p2t);
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mDefaultFixedFont.size = NSFloatPixelsToTwips((float) fixedSize, p2t);
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}
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if (unit != defaultUnit) {
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nsMemory::Free(unit);
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unit = nsnull;
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}
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}
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}
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}
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void
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nsPresContext::GetUserPreferences()
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{
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PRInt32 prefInt;
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if (NS_SUCCEEDED(mPrefs->GetIntPref("browser.display.base_font_scaler", &prefInt))) {
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mFontScaler = prefInt;
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}
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if (NS_SUCCEEDED(mPrefs->GetIntPref("nglayout.compatibility.mode", &prefInt))) {
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// XXX this should really be a state on the webshell instead of using prefs
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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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}
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if (NS_SUCCEEDED(mPrefs->GetIntPref("nglayout.widget.mode", &prefInt))) {
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mWidgetRenderingMode = (enum nsWidgetRendering)prefInt; // bad cast
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}
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// * document colors
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PRBool usePrefColors = PR_TRUE;
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PRBool boolPref;
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nsXPIDLCString colorStr;
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if (NS_SUCCEEDED(mPrefs->GetBoolPref("browser.display.use_system_colors", &boolPref))) {
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usePrefColors = !boolPref;
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}
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if (usePrefColors) {
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if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.display.foreground_color", getter_Copies(colorStr)))) {
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mDefaultColor = MakeColorPref(colorStr);
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}
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if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.display.background_color", getter_Copies(colorStr)))) {
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mDefaultBackgroundColor = MakeColorPref(colorStr);
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}
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}
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else {
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// Without this here, checking the "use system colors" checkbox
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// has no affect until the constructor is called again
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mDefaultColor = NS_RGB(0x00, 0x00, 0x00);
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mDefaultBackgroundColor = NS_RGB(0xFF, 0xFF, 0xFF);
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nsCOMPtr<nsILookAndFeel> look;
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if (NS_SUCCEEDED(GetLookAndFeel(getter_AddRefs(look))) && look) {
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look->GetColor(nsILookAndFeel::eColor_WindowForeground, mDefaultColor);
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look->GetColor(nsILookAndFeel::eColor_WindowBackground, mDefaultBackgroundColor);
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}
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}
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if (NS_SUCCEEDED(mPrefs->GetBoolPref("browser.display.use_document_colors", &boolPref))) {
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mUseDocumentColors = boolPref;
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}
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// * link colors
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if (NS_SUCCEEDED(mPrefs->GetBoolPref("browser.underline_anchors", &boolPref))) {
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mUnderlineLinks = boolPref;
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}
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if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.anchor_color", getter_Copies(colorStr)))) {
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mLinkColor = MakeColorPref(colorStr);
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}
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if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.visited_color", getter_Copies(colorStr)))) {
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mVisitedLinkColor = MakeColorPref(colorStr);
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}
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if (NS_SUCCEEDED(mPrefs->GetBoolPref("browser.display.use_focus_colors", &boolPref))) {
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mUseFocusColors = boolPref;
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mFocusTextColor = mDefaultColor;
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mFocusBackgroundColor = mDefaultBackgroundColor;
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if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.display.focus_text_color", getter_Copies(colorStr)))) {
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mFocusTextColor = MakeColorPref(colorStr);
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}
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if (NS_SUCCEEDED(mPrefs->CopyCharPref("browser.display.focus_background_color", getter_Copies(colorStr)))) {
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mFocusBackgroundColor = MakeColorPref(colorStr);
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}
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}
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if (NS_SUCCEEDED(mPrefs->GetIntPref("browser.display.focus_ring_width", &prefInt))) {
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mFocusRingWidth = prefInt;
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}
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if (NS_SUCCEEDED(mPrefs->GetBoolPref("browser.display.focus_ring_on_anything", &boolPref))) {
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mFocusRingOnAnything = boolPref;
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}
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// * use fonts?
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if (NS_SUCCEEDED(mPrefs->GetIntPref("browser.display.use_document_fonts", &prefInt))) {
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mUseDocumentFonts = prefInt == 0 ? PR_FALSE : PR_TRUE;
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}
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GetFontPreferences();
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// * image animation
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char* animatePref = 0;
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nsresult rv = mPrefs->CopyCharPref("image.animation_mode", &animatePref);
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if (NS_SUCCEEDED(rv) && animatePref) {
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if (!nsCRT::strcmp(animatePref, "normal"))
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mImageAnimationModePref = eImageAnimation_Normal;
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else if (!nsCRT::strcmp(animatePref, "none"))
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mImageAnimationModePref = eImageAnimation_None;
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else if (!nsCRT::strcmp(animatePref, "once"))
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mImageAnimationModePref = eImageAnimation_LoopOnce;
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nsMemory::Free(animatePref);
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}
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}
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NS_IMETHODIMP
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nsPresContext::GetCachedBoolPref(PRUint32 prefType, PRBool &aValue)
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{
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nsresult rv = NS_ERROR_FAILURE;
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switch(prefType) {
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case kPresContext_UseDocumentFonts :
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aValue = mUseDocumentFonts;
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rv = NS_OK;
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break;
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case kPresContext_UseDocumentColors:
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aValue = mUseDocumentColors;
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rv = NS_OK;
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break;
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case kPresContext_UnderlineLinks:
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aValue = mUnderlineLinks;
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rv = NS_OK;
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break;
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default :
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rv = NS_ERROR_FAILURE;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsPresContext::ClearStyleDataAndReflow()
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{
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if (mShell) {
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// Clear out all our style data.
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nsCOMPtr<nsIStyleSet> set;
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mShell->GetStyleSet(getter_AddRefs(set));
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set->ClearStyleData(this, nsnull, nsnull);
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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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// boxes know how to coelesce style changes. So if our root frame is a box
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// then tell it to handle it. If its a block we are stuck with a full top to bottom
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// reflow. -EDV
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nsIFrame* child = nsnull;
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rootFrame->FirstChild(this, nsnull, &child);
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nsresult rv;
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nsCOMPtr<nsIBox> box = do_QueryInterface(child, &rv);
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if (NS_SUCCEEDED(rv) && box) {
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nsBoxLayoutState state(this);
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box->MarkStyleChange(state);
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} else {
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// Force a reflow of the root frame
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// XXX We really should only do a reflow if a preference that affects
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// formatting changed, e.g., a font change. If it's just a color change
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// then we only need to repaint...
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mShell->StyleChangeReflow();
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}
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}
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}
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return NS_OK;
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}
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void
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nsPresContext::PreferenceChanged(const char* aPrefName)
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{
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nsCOMPtr<nsIDocShellTreeItem> docShell(do_QueryInterface(mContainer));
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if (docShell) {
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PRInt32 docShellType;
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docShell->GetItemType(&docShellType);
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if (nsIDocShellTreeItem::typeChrome == docShellType)
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return;
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}
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// Initialize our state from the user preferences
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GetUserPreferences();
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// update the presShell: tell it to set the preference style rules up
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if (mShell) {
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mShell->SetPreferenceStyleRules(PR_TRUE);
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}
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if (mDeviceContext) {
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mDeviceContext->FlushFontCache();
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ClearStyleDataAndReflow();
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}
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}
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NS_IMETHODIMP
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nsPresContext::Init(nsIDeviceContext* aDeviceContext)
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{
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NS_ASSERTION(!(mInitialized == PR_TRUE), "attempt to reinit pres context");
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mDeviceContext = dont_QueryInterface(aDeviceContext);
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mLangService = do_GetService(NS_LANGUAGEATOMSERVICE_CONTRACTID);
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mPrefs = do_GetService(NS_PREF_CONTRACTID);
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if (mPrefs) {
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// Register callbacks so we're notified when the preferences change
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mPrefs->RegisterCallback("font.", nsPresContext::PrefChangedCallback, (void*)this);
|
|
mPrefs->RegisterCallback("browser.display.", nsPresContext::PrefChangedCallback, (void*)this);
|
|
mPrefs->RegisterCallback("browser.underline_anchors", nsPresContext::PrefChangedCallback, (void*)this);
|
|
mPrefs->RegisterCallback("browser.anchor_color", nsPresContext::PrefChangedCallback, (void*)this);
|
|
mPrefs->RegisterCallback("browser.visited_color", nsPresContext::PrefChangedCallback, (void*)this);
|
|
mPrefs->RegisterCallback("network.image.imageBehavior", nsPresContext::PrefChangedCallback, (void*)this);
|
|
mPrefs->RegisterCallback("image.animation_mode", nsPresContext::PrefChangedCallback, (void*)this);
|
|
|
|
// Initialize our state from the user preferences
|
|
GetUserPreferences();
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
mInitialized = PR_TRUE;
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// Note: We don't hold a reference on the shell; it has a reference to
|
|
// us
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetShell(nsIPresShell* aShell)
|
|
{
|
|
mShell = aShell;
|
|
if (nsnull != mShell) {
|
|
nsCOMPtr<nsIDocument> doc;
|
|
if (NS_SUCCEEDED(mShell->GetDocument(getter_AddRefs(doc)))) {
|
|
NS_ASSERTION(doc, "expect document here");
|
|
if (doc) {
|
|
doc->GetBaseURL(*getter_AddRefs(mBaseURL));
|
|
|
|
if (mBaseURL) {
|
|
PRBool isChrome = PR_FALSE;
|
|
PRBool isRes = PR_FALSE;
|
|
mBaseURL->SchemeIs("chrome", &isChrome);
|
|
mBaseURL->SchemeIs("resource", &isRes);
|
|
|
|
if (!isChrome && !isRes)
|
|
mImageAnimationMode = mImageAnimationModePref;
|
|
else
|
|
mImageAnimationMode = eImageAnimation_Normal;
|
|
}
|
|
|
|
if (mLangService) {
|
|
nsAutoString charset;
|
|
doc->AddCharSetObserver(this);
|
|
doc->GetDocumentCharacterSet(charset);
|
|
UpdateCharSet(charset.get());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetShell(nsIPresShell** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = mShell;
|
|
NS_IF_ADDREF(mShell);
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsPresContext::UpdateCharSet(const PRUnichar* aCharSet)
|
|
{
|
|
if (mLangService) {
|
|
mLangService->LookupCharSet(aCharSet, getter_AddRefs(mLanguage));
|
|
GetFontPreferences();
|
|
if (mLanguage) {
|
|
nsCOMPtr<nsIAtom> langGroupAtom;
|
|
mLanguage->GetLanguageGroup(getter_AddRefs(langGroupAtom));
|
|
NS_ASSERTION(langGroupAtom, "non-NULL language group atom expected");
|
|
if (langGroupAtom.get() == nsLayoutAtoms::Japanese) {
|
|
mLanguageSpecificTransformType =
|
|
eLanguageSpecificTransformType_Japanese;
|
|
}
|
|
else if (langGroupAtom.get() == nsLayoutAtoms::Korean) {
|
|
mLanguageSpecificTransformType =
|
|
eLanguageSpecificTransformType_Korean;
|
|
}
|
|
else {
|
|
mLanguageSpecificTransformType =
|
|
eLanguageSpecificTransformType_None;
|
|
}
|
|
}
|
|
}
|
|
#ifdef IBMBIDI
|
|
//ahmed
|
|
mCharset=aCharSet;
|
|
|
|
SetVisualMode(IsVisualCharset(mCharset) );
|
|
#endif // IBMBIDI
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::Observe(nsISupports* aSubject, const PRUnichar* aTopic,
|
|
const PRUnichar* aData)
|
|
{
|
|
if (nsAutoString(aTopic).EqualsWithConversion("charset")) {
|
|
UpdateCharSet(aData);
|
|
}
|
|
else {
|
|
NS_WARNING("unrecognized topic in nsPresContext::Observe");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetCompatibilityMode(nsCompatibility* aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = mCompatibilityMode;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetCompatibilityMode(nsCompatibility aMode)
|
|
{
|
|
if (! mCompatibilityLocked) {
|
|
mCompatibilityMode = aMode;
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetWidgetRenderingMode(nsWidgetRendering* aResult)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
|
*aResult = mWidgetRenderingMode;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetWidgetRenderingMode(nsWidgetRendering aMode)
|
|
{
|
|
mWidgetRenderingMode = aMode;
|
|
return NS_OK;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
/* This function has now been depricated. It is no longer necesary to
|
|
* hold on to presContext just to get a nsLookAndFeel. nsLookAndFeel is
|
|
* now a service provided by ServiceManager.
|
|
*/
|
|
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) {
|
|
mLookAndFeel = do_GetService(kLookAndFeelCID,&result);
|
|
}
|
|
*aLookAndFeel = mLookAndFeel;
|
|
NS_IF_ADDREF(*aLookAndFeel);
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetBaseURL(nsIURI** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = mBaseURL;
|
|
NS_IF_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::ResolveStyleContextFor(nsIContent* aContent,
|
|
nsIStyleContext* aParentContext,
|
|
PRBool aForceUnique,
|
|
nsIStyleContext** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
nsIStyleContext* result = nsnull;
|
|
nsCOMPtr<nsIStyleSet> set;
|
|
nsresult rv = mShell->GetStyleSet(getter_AddRefs(set));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
if (set) {
|
|
result = set->ResolveStyleFor(this, aContent, aParentContext,
|
|
aForceUnique);
|
|
if (nsnull == result) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
}
|
|
*aResult = result;
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::ResolvePseudoStyleContextFor(nsIContent* aParentContent,
|
|
nsIAtom* aPseudoTag,
|
|
nsIStyleContext* aParentContext,
|
|
PRBool aForceUnique,
|
|
nsIStyleContext** aResult)
|
|
{
|
|
return ResolvePseudoStyleWithComparator(aParentContent, aPseudoTag, aParentContext,
|
|
aForceUnique, nsnull, aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::ResolvePseudoStyleWithComparator(nsIContent* aParentContent,
|
|
nsIAtom* aPseudoTag,
|
|
nsIStyleContext* aParentContext,
|
|
PRBool aForceUnique,
|
|
nsICSSPseudoComparator* aComparator,
|
|
nsIStyleContext** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
nsIStyleContext* result = nsnull;
|
|
nsCOMPtr<nsIStyleSet> set;
|
|
nsresult rv = mShell->GetStyleSet(getter_AddRefs(set));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
if (set) {
|
|
result = set->ResolvePseudoStyleFor(this, aParentContent, aPseudoTag,
|
|
aParentContext, aForceUnique, aComparator);
|
|
if (nsnull == result) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
}
|
|
*aResult = result;
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::ProbePseudoStyleContextFor(nsIContent* aParentContent,
|
|
nsIAtom* aPseudoTag,
|
|
nsIStyleContext* aParentContext,
|
|
PRBool aForceUnique,
|
|
nsIStyleContext** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
nsIStyleContext* result = nsnull;
|
|
nsCOMPtr<nsIStyleSet> set;
|
|
nsresult rv = mShell->GetStyleSet(getter_AddRefs(set));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
if (set) {
|
|
result = set->ProbePseudoStyleFor(this, aParentContent, aPseudoTag,
|
|
aParentContext, aForceUnique);
|
|
}
|
|
}
|
|
*aResult = result;
|
|
return rv;
|
|
}
|
|
|
|
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) {
|
|
rv = manager->ReParentStyleContext(this, aFrame, aNewParentContext);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::AllocateFromShell(size_t aSize, void** aResult)
|
|
{
|
|
if (mShell)
|
|
return mShell->AllocateFrame(aSize, aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::FreeToShell(size_t aSize, void* aFreeChunk)
|
|
{
|
|
if (mShell)
|
|
return mShell->FreeFrame(aSize, aFreeChunk);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetMetricsFor(const nsFont& aFont, nsIFontMetrics** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
nsIFontMetrics* metrics = nsnull;
|
|
if (mDeviceContext) {
|
|
nsCOMPtr<nsIAtom> langGroup;
|
|
if (mLanguage) {
|
|
mLanguage->GetLanguageGroup(getter_AddRefs(langGroup));
|
|
}
|
|
mDeviceContext->GetMetricsFor(aFont, langGroup, metrics);
|
|
}
|
|
*aResult = metrics;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetDefaultFont(nsFont& aResult)
|
|
{
|
|
aResult = mDefaultFont;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetDefaultFont(const nsFont& aFont)
|
|
{
|
|
mDefaultFont = aFont;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetDefaultFixedFont(nsFont& aResult)
|
|
{
|
|
aResult = mDefaultFixedFont;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetDefaultFixedFont(const nsFont& aFont)
|
|
{
|
|
mDefaultFixedFont = aFont;
|
|
return NS_OK;
|
|
}
|
|
|
|
const nsFont&
|
|
nsPresContext::GetDefaultFontDeprecated()
|
|
{
|
|
return mDefaultFont;
|
|
}
|
|
|
|
const nsFont&
|
|
nsPresContext::GetDefaultFixedFontDeprecated()
|
|
{
|
|
return mDefaultFixedFont;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetFontScaler(PRInt32* aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
*aResult = mFontScaler;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetFontScaler(PRInt32 aScaler)
|
|
{
|
|
mFontScaler = aScaler;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetDefaultColor(nscolor* aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
*aResult = mDefaultColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetDefaultBackgroundColor(nscolor* aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
*aResult = mDefaultBackgroundColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetDefaultLinkColor(nscolor* aColor)
|
|
{
|
|
NS_PRECONDITION(nsnull != aColor, "null argument");
|
|
if (aColor) {
|
|
*aColor = mLinkColor;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetDefaultVisitedLinkColor(nscolor* aColor)
|
|
{
|
|
NS_PRECONDITION(nsnull != aColor, "null argument");
|
|
if (aColor) {
|
|
*aColor = mVisitedLinkColor;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetFocusRingOnAnything(PRBool& aFocusRingOnAnything)
|
|
{
|
|
aFocusRingOnAnything = mFocusRingOnAnything;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetUseFocusColors(PRBool& aUseFocusColors)
|
|
{
|
|
aUseFocusColors = mUseFocusColors;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetFocusTextColor(nscolor* aColor)
|
|
{
|
|
NS_PRECONDITION(nsnull != aColor, "null argument");
|
|
if (aColor) {
|
|
*aColor = mFocusTextColor;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetFocusBackgroundColor(nscolor* aColor)
|
|
{
|
|
NS_PRECONDITION(nsnull != aColor, "null argument");
|
|
if (aColor) {
|
|
*aColor = mFocusBackgroundColor;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetFocusRingWidth(PRUint8 *aFocusRingWidth)
|
|
{
|
|
NS_PRECONDITION(nsnull != aFocusRingWidth, "null argument");
|
|
if (aFocusRingWidth) {
|
|
*aFocusRingWidth = mFocusRingWidth;
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetDefaultColor(nscolor aColor)
|
|
{
|
|
mDefaultColor = aColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetDefaultBackgroundColor(nscolor aColor)
|
|
{
|
|
mDefaultBackgroundColor = aColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetDefaultLinkColor(nscolor aColor)
|
|
{
|
|
mLinkColor = aColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetDefaultVisitedLinkColor(nscolor aColor)
|
|
{
|
|
mVisitedLinkColor = aColor;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetVisibleArea(nsRect& aResult)
|
|
{
|
|
aResult = mVisibleArea;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetVisibleArea(const nsRect& r)
|
|
{
|
|
mVisibleArea = r;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetPixelsToTwips(float* aResult) const
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
float p2t = 1.0f;
|
|
if (mDeviceContext) {
|
|
mDeviceContext->GetDevUnitsToAppUnits(p2t);
|
|
}
|
|
*aResult = p2t;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetTwipsToPixels(float* aResult) const
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
float app2dev = 1.0f;
|
|
if (mDeviceContext) {
|
|
mDeviceContext->GetAppUnitsToDevUnits(app2dev);
|
|
}
|
|
*aResult = app2dev;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetScaledPixelsToTwips(float* aResult) const
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
float scale = 1.0f;
|
|
if (mDeviceContext)
|
|
{
|
|
float p2t;
|
|
mDeviceContext->GetDevUnitsToAppUnits(p2t);
|
|
mDeviceContext->GetCanonicalPixelScale(scale);
|
|
scale = p2t * scale;
|
|
}
|
|
*aResult = scale;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetDeviceContext(nsIDeviceContext** aResult) const
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = mDeviceContext;
|
|
NS_IF_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::LoadImage(const nsString& aURL,
|
|
nsIFrame* aTargetFrame,
|
|
imgIRequest **aRequest)
|
|
{
|
|
// look and see if we have a loader for the target frame.
|
|
|
|
nsVoidKey key(aTargetFrame);
|
|
nsImageLoader *loader = NS_REINTERPRET_CAST(nsImageLoader*, mImageLoaders.Get(&key)); // addrefs
|
|
|
|
if (!loader) {
|
|
nsImageLoader *newLoader = new nsImageLoader();
|
|
if (!newLoader)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
NS_ADDREF(newLoader); // new
|
|
|
|
nsCOMPtr<nsISupports> sup;
|
|
newLoader->QueryInterface(NS_GET_IID(nsISupports), getter_AddRefs(sup));
|
|
|
|
loader = NS_REINTERPRET_CAST(nsImageLoader*, sup.get());
|
|
|
|
loader->Init(aTargetFrame, this);
|
|
|
|
mImageLoaders.Put(&key, sup);
|
|
}
|
|
|
|
// Allow for a null target frame argument (for precached images)
|
|
if (aTargetFrame) {
|
|
// Mark frame as having loaded an image
|
|
nsFrameState state;
|
|
aTargetFrame->GetFrameState(&state);
|
|
state |= NS_FRAME_HAS_LOADED_IMAGES;
|
|
aTargetFrame->SetFrameState(state);
|
|
}
|
|
|
|
loader->Load(aURL);
|
|
|
|
loader->GetRequest(aRequest);
|
|
|
|
NS_RELEASE(loader);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::StopImagesFor(nsIFrame* aTargetFrame)
|
|
{
|
|
nsVoidKey key(aTargetFrame);
|
|
nsImageLoader *loader = NS_REINTERPRET_CAST(nsImageLoader*, mImageLoaders.Get(&key)); // addrefs
|
|
|
|
if (loader) {
|
|
loader->Destroy();
|
|
NS_RELEASE(loader);
|
|
|
|
mImageLoaders.Remove(&key);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetLinkHandler(nsILinkHandler* aHandler)
|
|
{
|
|
mLinkHandler = aHandler;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetLinkHandler(nsILinkHandler** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = mLinkHandler;
|
|
NS_IF_ADDREF(mLinkHandler);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetContainer(nsISupports* aHandler)
|
|
{
|
|
mContainer = aHandler;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetContainer(nsISupports** aResult)
|
|
{
|
|
NS_PRECONDITION(nsnull != aResult, "null ptr");
|
|
if (nsnull == aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = mContainer;
|
|
NS_IF_ADDREF(mContainer);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetEventStateManager(nsIEventStateManager** aManager)
|
|
{
|
|
NS_PRECONDITION(nsnull != aManager, "null ptr");
|
|
if (nsnull == aManager) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
if (!mEventManager) {
|
|
nsresult rv;
|
|
mEventManager = do_CreateInstance(kEventStateManagerCID,&rv);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
//Not refcnted, set null in destructor
|
|
mEventManager->SetPresContext(this);
|
|
|
|
*aManager = mEventManager;
|
|
NS_IF_ADDREF(*aManager);
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef IBMBIDI
|
|
//ahmed
|
|
NS_IMETHODIMP
|
|
nsPresContext::IsArabicEncoding(PRBool& aResult)
|
|
{
|
|
aResult=PR_FALSE;
|
|
if ( (mCharset.EqualsIgnoreCase("ibm864") )||(mCharset.EqualsIgnoreCase("ibm864i") )||(mCharset.EqualsIgnoreCase("windows-1256") )||(mCharset.EqualsIgnoreCase("iso-8859-6") ))
|
|
aResult=PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::IsVisRTL(PRBool& aResult)
|
|
{
|
|
aResult=PR_FALSE;
|
|
if ( (mIsVisual)&&(GET_BIDI_OPTION_DIRECTION(mBidi) == IBMBIDI_TEXTDIRECTION_RTL) )
|
|
aResult=PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetBidiEnabled(PRBool* aBidiEnabled) const
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aBidiEnabled);
|
|
*aBidiEnabled = PR_FALSE;
|
|
NS_ASSERTION(mShell, "PresShell must be set on PresContext before calling nsPresContext::GetBidiEnabled");
|
|
if (mShell) {
|
|
nsCOMPtr<nsIDocument> doc;
|
|
mShell->GetDocument(getter_AddRefs(doc) );
|
|
NS_ASSERTION(doc, "PresShell has no document in nsPresContext::GetBidiEnabled");
|
|
if (doc) {
|
|
doc->GetBidiEnabled(aBidiEnabled);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetBidiEnabled(PRBool aBidiEnabled) const
|
|
{
|
|
if (mShell) {
|
|
nsCOMPtr<nsIDocument> doc;
|
|
mShell->GetDocument(getter_AddRefs(doc) );
|
|
if (doc) {
|
|
doc->SetBidiEnabled(aBidiEnabled);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetVisualMode(PRBool aIsVisual)
|
|
{
|
|
mIsVisual = aIsVisual;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::IsVisualMode(PRBool& aIsVisual) const
|
|
{
|
|
aIsVisual = mIsVisual;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetBidiUtils(nsBidiPresUtils** aBidiUtils)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
if (!mBidiUtils) {
|
|
mBidiUtils = new nsBidiPresUtils;
|
|
if (!mBidiUtils) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
*aBidiUtils = mBidiUtils;
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP nsPresContext::SetBidi(PRUint32 aSource, PRBool aForceReflow)
|
|
{
|
|
mBidi = aSource;
|
|
if (IBMBIDI_TEXTDIRECTION_RTL == GET_BIDI_OPTION_DIRECTION(mBidi)
|
|
|| IBMBIDI_NUMERAL_HINDI == GET_BIDI_OPTION_NUMERAL(mBidi)) {
|
|
SetBidiEnabled(PR_TRUE);
|
|
}
|
|
if (IBMBIDI_TEXTTYPE_VISUAL == GET_BIDI_OPTION_TEXTTYPE(mBidi)) {
|
|
SetVisualMode(PR_TRUE);
|
|
}
|
|
else if (IBMBIDI_TEXTTYPE_LOGICAL == GET_BIDI_OPTION_TEXTTYPE(mBidi)) {
|
|
SetVisualMode(PR_FALSE);
|
|
}
|
|
else {
|
|
SetVisualMode(IsVisualCharset(mCharset) );
|
|
}
|
|
if (mShell && aForceReflow) {
|
|
ClearStyleDataAndReflow();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
NS_IMETHODIMP nsPresContext::GetBidi(PRUint32* aDest)
|
|
{
|
|
if (aDest)
|
|
*aDest = mBidi;
|
|
return NS_OK;
|
|
}
|
|
|
|
//Mohamed 17-1-01
|
|
NS_IMETHODIMP
|
|
nsPresContext::SetIsBidiSystem(PRBool aIsBidi)
|
|
{
|
|
mIsBidiSystem = aIsBidi;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetIsBidiSystem(PRBool& aResult) const
|
|
{
|
|
aResult = mIsBidiSystem;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetBidiCharset(nsAWritableString &aCharSet)
|
|
{
|
|
aCharSet = mCharset;
|
|
return NS_OK;
|
|
}
|
|
//Mohamed End
|
|
|
|
#endif //IBMBIDI
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetLanguage(nsILanguageAtom** aLanguage)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aLanguage);
|
|
|
|
*aLanguage = mLanguage;
|
|
NS_IF_ADDREF(*aLanguage);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::GetLanguageSpecificTransformType(
|
|
nsLanguageSpecificTransformType* aType)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aType);
|
|
*aType = mLanguageSpecificTransformType;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::IsRenderingOnlySelection(PRBool* aResult)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aResult);
|
|
*aResult = mIsRenderingOnlySelection;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef MOZ_REFLOW_PERF
|
|
NS_IMETHODIMP
|
|
nsPresContext::CountReflows(const char * aName, PRUint32 aType, nsIFrame * aFrame)
|
|
{
|
|
if (mShell) {
|
|
mShell->CountReflows(aName, aType, aFrame);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPresContext::PaintCount(const char * aName, nsIRenderingContext* aRenderingContext, nsIFrame * aFrame, PRUint32 aColor)
|
|
{
|
|
if (mShell) {
|
|
mShell->PaintCount(aName, aRenderingContext, this, aFrame, aColor);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
#endif
|