зеркало из https://github.com/mozilla/pjs.git
1783 строки
50 KiB
C++
1783 строки
50 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIDocShell.h"
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#include "nsPresContext.h"
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#include "nsDOMClassInfo.h"
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#include "nsDOMError.h"
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#include "nsIDOMNSEvent.h"
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#include "nsIPrivateDOMEvent.h"
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#include "nsDOMWindowUtils.h"
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#include "nsQueryContentEventResult.h"
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#include "nsGlobalWindow.h"
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#include "nsIDocument.h"
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#include "nsFocusManager.h"
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#include "nsIEventStateManager.h"
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#include "nsEventStateManager.h"
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#include "nsIScrollableFrame.h"
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#include "nsContentUtils.h"
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#include "nsLayoutUtils.h"
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#include "nsIFrame.h"
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#include "nsIWidget.h"
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#include "nsGUIEvent.h"
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#include "nsIParser.h"
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#include "nsJSEnvironment.h"
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#include "nsIViewManager.h"
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#include "nsIDOMHTMLCanvasElement.h"
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#include "gfxContext.h"
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#include "gfxImageSurface.h"
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#include "nsLayoutUtils.h"
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#include "nsComputedDOMStyle.h"
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#include "nsIViewObserver.h"
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#include "nsIPresShell.h"
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#include "nsStyleAnimation.h"
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#include "nsCSSProps.h"
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#if defined(MOZ_X11) && defined(MOZ_WIDGET_GTK2)
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#include <gdk/gdk.h>
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#include <gdk/gdkx.h>
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#endif
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#include "jsobj.h"
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#include "Layers.h"
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using namespace mozilla::layers;
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static PRBool IsUniversalXPConnectCapable()
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{
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PRBool hasCap = PR_FALSE;
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nsresult rv = nsContentUtils::GetSecurityManager()->
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IsCapabilityEnabled("UniversalXPConnect", &hasCap);
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NS_ENSURE_SUCCESS(rv, PR_FALSE);
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return hasCap;
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}
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DOMCI_DATA(WindowUtils, nsDOMWindowUtils)
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NS_INTERFACE_MAP_BEGIN(nsDOMWindowUtils)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMWindowUtils)
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NS_INTERFACE_MAP_ENTRY(nsIDOMWindowUtils)
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NS_INTERFACE_MAP_ENTRY(nsIDOMWindowUtils_MOZILLA_2_0_BRANCH)
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NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(WindowUtils)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(nsDOMWindowUtils)
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NS_IMPL_RELEASE(nsDOMWindowUtils)
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nsDOMWindowUtils::nsDOMWindowUtils(nsGlobalWindow *aWindow)
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: mWindow(aWindow)
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{
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NS_ASSERTION(mWindow->IsOuterWindow(), "How did that happen?");
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}
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nsDOMWindowUtils::~nsDOMWindowUtils()
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{
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}
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nsIPresShell*
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nsDOMWindowUtils::GetPresShell()
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{
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if (!mWindow)
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return nsnull;
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nsIDocShell *docShell = mWindow->GetDocShell();
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if (!docShell)
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return nsnull;
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nsCOMPtr<nsIPresShell> presShell;
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docShell->GetPresShell(getter_AddRefs(presShell));
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return presShell;
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}
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nsPresContext*
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nsDOMWindowUtils::GetPresContext()
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{
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if (!mWindow)
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return nsnull;
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nsIDocShell *docShell = mWindow->GetDocShell();
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if (!docShell)
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return nsnull;
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nsRefPtr<nsPresContext> presContext;
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docShell->GetPresContext(getter_AddRefs(presContext));
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return presContext;
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::GetImageAnimationMode(PRUint16 *aMode)
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{
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NS_ENSURE_ARG_POINTER(aMode);
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*aMode = 0;
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nsPresContext* presContext = GetPresContext();
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if (presContext) {
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*aMode = presContext->ImageAnimationMode();
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return NS_OK;
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}
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return NS_ERROR_NOT_AVAILABLE;
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::SetImageAnimationMode(PRUint16 aMode)
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{
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nsPresContext* presContext = GetPresContext();
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if (presContext) {
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presContext->SetImageAnimationMode(aMode);
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return NS_OK;
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}
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return NS_ERROR_NOT_AVAILABLE;
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::GetDocCharsetIsForced(PRBool *aIsForced)
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{
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*aIsForced = PR_FALSE;
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if (!IsUniversalXPConnectCapable()) {
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return NS_ERROR_DOM_SECURITY_ERR;
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}
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if (mWindow) {
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nsCOMPtr<nsIDocument> doc(do_QueryInterface(mWindow->GetExtantDocument()));
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*aIsForced = doc &&
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doc->GetDocumentCharacterSetSource() >= kCharsetFromParentForced;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::GetDocumentMetadata(const nsAString& aName,
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nsAString& aValue)
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{
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if (!IsUniversalXPConnectCapable()) {
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return NS_ERROR_DOM_SECURITY_ERR;
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}
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if (mWindow) {
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nsCOMPtr<nsIDocument> doc(do_QueryInterface(mWindow->GetExtantDocument()));
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if (doc) {
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nsCOMPtr<nsIAtom> name = do_GetAtom(aName);
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doc->GetHeaderData(name, aValue);
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return NS_OK;
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}
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}
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aValue.Truncate();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::Redraw(PRUint32 aCount, PRUint32 *aDurationOut)
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{
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if (aCount == 0)
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aCount = 1;
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if (nsIPresShell* presShell = GetPresShell()) {
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nsIFrame *rootFrame = presShell->GetRootFrame();
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if (rootFrame) {
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nsRect r(nsPoint(0, 0), rootFrame->GetSize());
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PRIntervalTime iStart = PR_IntervalNow();
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for (PRUint32 i = 0; i < aCount; i++)
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rootFrame->InvalidateWithFlags(r, nsIFrame::INVALIDATE_IMMEDIATE);
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#if defined(MOZ_X11) && defined(MOZ_WIDGET_GTK2)
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XSync(GDK_DISPLAY(), False);
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#endif
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*aDurationOut = PR_IntervalToMilliseconds(PR_IntervalNow() - iStart);
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return NS_OK;
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}
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}
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::SetCSSViewport(float aWidthPx, float aHeightPx)
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{
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if (!IsUniversalXPConnectCapable()) {
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return NS_ERROR_DOM_SECURITY_ERR;
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}
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if (!(aWidthPx >= 0.0 && aHeightPx >= 0.0)) {
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return NS_ERROR_ILLEGAL_VALUE;
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}
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nsIPresShell* presShell = GetPresShell();
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if (!presShell) {
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return NS_ERROR_FAILURE;
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}
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nscoord width = nsPresContext::CSSPixelsToAppUnits(aWidthPx);
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nscoord height = nsPresContext::CSSPixelsToAppUnits(aHeightPx);
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presShell->ResizeReflowOverride(width, height);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::SetDisplayPort(float aXPx, float aYPx,
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float aWidthPx, float aHeightPx)
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{
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if (!IsUniversalXPConnectCapable()) {
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return NS_ERROR_DOM_SECURITY_ERR;
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}
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nsIPresShell* presShell = GetPresShell();
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if (!presShell) {
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return NS_ERROR_FAILURE;
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}
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nsRect displayport(nsPresContext::CSSPixelsToAppUnits(aXPx),
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nsPresContext::CSSPixelsToAppUnits(aYPx),
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nsPresContext::CSSPixelsToAppUnits(aWidthPx),
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nsPresContext::CSSPixelsToAppUnits(aHeightPx));
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presShell->SetDisplayPort(displayport);
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presShell->SetIgnoreViewportScrolling(PR_TRUE);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::SetResolution(float aXResolution, float aYResolution)
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{
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if (!IsUniversalXPConnectCapable()) {
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return NS_ERROR_DOM_SECURITY_ERR;
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}
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nsIPresShell* presShell = GetPresShell();
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return presShell ? presShell->SetResolution(aXResolution, aYResolution)
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: NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::SendMouseEvent(const nsAString& aType,
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float aX,
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float aY,
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PRInt32 aButton,
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PRInt32 aClickCount,
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PRInt32 aModifiers,
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PRBool aIgnoreRootScrollFrame)
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{
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return SendMouseEventCommon(aType, aX, aY, aButton, aClickCount, aModifiers,
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aIgnoreRootScrollFrame, PR_FALSE);
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::SendMouseEventToWindow(const nsAString& aType,
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float aX,
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float aY,
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PRInt32 aButton,
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PRInt32 aClickCount,
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PRInt32 aModifiers,
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PRBool aIgnoreRootScrollFrame)
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{
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return SendMouseEventCommon(aType, aX, aY, aButton, aClickCount, aModifiers,
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aIgnoreRootScrollFrame, PR_TRUE);
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::SendMouseEventCommon(const nsAString& aType,
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float aX,
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float aY,
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PRInt32 aButton,
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PRInt32 aClickCount,
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PRInt32 aModifiers,
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PRBool aIgnoreRootScrollFrame,
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PRBool aToWindow)
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{
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if (!IsUniversalXPConnectCapable()) {
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return NS_ERROR_DOM_SECURITY_ERR;
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}
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// get the widget to send the event to
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nsPoint offset;
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nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
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if (!widget)
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return NS_ERROR_FAILURE;
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PRInt32 msg;
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PRBool contextMenuKey = PR_FALSE;
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if (aType.EqualsLiteral("mousedown"))
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msg = NS_MOUSE_BUTTON_DOWN;
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else if (aType.EqualsLiteral("mouseup"))
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msg = NS_MOUSE_BUTTON_UP;
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else if (aType.EqualsLiteral("mousemove"))
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msg = NS_MOUSE_MOVE;
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else if (aType.EqualsLiteral("mouseover"))
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msg = NS_MOUSE_ENTER;
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else if (aType.EqualsLiteral("mouseout"))
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msg = NS_MOUSE_EXIT;
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else if (aType.EqualsLiteral("contextmenu")) {
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msg = NS_CONTEXTMENU;
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contextMenuKey = (aButton == 0);
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} else
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return NS_ERROR_FAILURE;
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nsMouseEvent event(PR_TRUE, msg, widget, nsMouseEvent::eReal,
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contextMenuKey ?
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nsMouseEvent::eContextMenuKey : nsMouseEvent::eNormal);
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event.isShift = (aModifiers & nsIDOMNSEvent::SHIFT_MASK) ? PR_TRUE : PR_FALSE;
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event.isControl = (aModifiers & nsIDOMNSEvent::CONTROL_MASK) ? PR_TRUE : PR_FALSE;
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event.isAlt = (aModifiers & nsIDOMNSEvent::ALT_MASK) ? PR_TRUE : PR_FALSE;
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event.isMeta = (aModifiers & nsIDOMNSEvent::META_MASK) ? PR_TRUE : PR_FALSE;
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event.button = aButton;
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event.widget = widget;
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event.clickCount = aClickCount;
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event.time = PR_IntervalNow();
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event.flags |= NS_EVENT_FLAG_SYNTHETIC_TEST_EVENT;
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nsPresContext* presContext = GetPresContext();
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if (!presContext)
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return NS_ERROR_FAILURE;
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PRInt32 appPerDev = presContext->AppUnitsPerDevPixel();
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event.refPoint.x =
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NSAppUnitsToIntPixels(nsPresContext::CSSPixelsToAppUnits(aX) + offset.x,
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appPerDev);
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event.refPoint.y =
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NSAppUnitsToIntPixels(nsPresContext::CSSPixelsToAppUnits(aY) + offset.y,
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appPerDev);
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event.ignoreRootScrollFrame = aIgnoreRootScrollFrame;
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nsresult rv;
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nsEventStatus status;
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if (aToWindow) {
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nsIPresShell* presShell = presContext->PresShell();
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if (!presShell)
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsIViewObserver> vo = do_QueryInterface(presShell);
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if (!vo)
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return NS_ERROR_FAILURE;
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nsIViewManager* viewManager = presShell->GetViewManager();
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if (!viewManager)
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return NS_ERROR_FAILURE;
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nsIView* view = nsnull;
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rv = viewManager->GetRootView(view);
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if (NS_FAILED(rv) || !view)
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return NS_ERROR_FAILURE;
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status = nsEventStatus_eIgnore;
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rv = vo->HandleEvent(view, &event, PR_FALSE, &status);
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} else {
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rv = widget->DispatchEvent(&event, status);
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}
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return rv;
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::SendMouseScrollEvent(const nsAString& aType,
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float aX,
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float aY,
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PRInt32 aButton,
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PRInt32 aScrollFlags,
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PRInt32 aDelta,
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PRInt32 aModifiers)
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{
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if (!IsUniversalXPConnectCapable()) {
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return NS_ERROR_DOM_SECURITY_ERR;
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}
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// get the widget to send the event to
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nsPoint offset;
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nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
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if (!widget)
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return NS_ERROR_NULL_POINTER;
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PRInt32 msg;
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if (aType.EqualsLiteral("DOMMouseScroll"))
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msg = NS_MOUSE_SCROLL;
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else if (aType.EqualsLiteral("MozMousePixelScroll"))
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msg = NS_MOUSE_PIXEL_SCROLL;
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else
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return NS_ERROR_UNEXPECTED;
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nsMouseScrollEvent event(PR_TRUE, msg, widget);
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event.isShift = (aModifiers & nsIDOMNSEvent::SHIFT_MASK) ? PR_TRUE : PR_FALSE;
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event.isControl = (aModifiers & nsIDOMNSEvent::CONTROL_MASK) ? PR_TRUE : PR_FALSE;
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event.isAlt = (aModifiers & nsIDOMNSEvent::ALT_MASK) ? PR_TRUE : PR_FALSE;
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event.isMeta = (aModifiers & nsIDOMNSEvent::META_MASK) ? PR_TRUE : PR_FALSE;
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event.button = aButton;
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event.widget = widget;
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event.delta = aDelta;
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event.scrollFlags = aScrollFlags;
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event.time = PR_IntervalNow();
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nsPresContext* presContext = GetPresContext();
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if (!presContext)
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return NS_ERROR_FAILURE;
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PRInt32 appPerDev = presContext->AppUnitsPerDevPixel();
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event.refPoint.x =
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NSAppUnitsToIntPixels(nsPresContext::CSSPixelsToAppUnits(aX) + offset.x,
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appPerDev);
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event.refPoint.y =
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NSAppUnitsToIntPixels(nsPresContext::CSSPixelsToAppUnits(aY) + offset.y,
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appPerDev);
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nsEventStatus status;
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return widget->DispatchEvent(&event, status);
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}
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NS_IMETHODIMP
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nsDOMWindowUtils::SendKeyEvent(const nsAString& aType,
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PRInt32 aKeyCode,
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PRInt32 aCharCode,
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PRInt32 aModifiers,
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PRBool aPreventDefault,
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PRBool* aDefaultActionTaken)
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{
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if (!IsUniversalXPConnectCapable()) {
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return NS_ERROR_DOM_SECURITY_ERR;
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}
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// get the widget to send the event to
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nsCOMPtr<nsIWidget> widget = GetWidget();
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if (!widget)
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return NS_ERROR_FAILURE;
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PRInt32 msg;
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if (aType.EqualsLiteral("keydown"))
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msg = NS_KEY_DOWN;
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else if (aType.EqualsLiteral("keyup"))
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msg = NS_KEY_UP;
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else if (aType.EqualsLiteral("keypress"))
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msg = NS_KEY_PRESS;
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else
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return NS_ERROR_FAILURE;
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nsKeyEvent event(PR_TRUE, msg, widget);
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event.isShift = (aModifiers & nsIDOMNSEvent::SHIFT_MASK) ? PR_TRUE : PR_FALSE;
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event.isControl = (aModifiers & nsIDOMNSEvent::CONTROL_MASK) ? PR_TRUE : PR_FALSE;
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event.isAlt = (aModifiers & nsIDOMNSEvent::ALT_MASK) ? PR_TRUE : PR_FALSE;
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event.isMeta = (aModifiers & nsIDOMNSEvent::META_MASK) ? PR_TRUE : PR_FALSE;
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event.keyCode = aKeyCode;
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event.charCode = aCharCode;
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event.refPoint.x = event.refPoint.y = 0;
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event.time = PR_IntervalNow();
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if (aPreventDefault) {
|
|
event.flags |= NS_EVENT_FLAG_NO_DEFAULT;
|
|
}
|
|
|
|
nsEventStatus status;
|
|
nsresult rv = widget->DispatchEvent(&event, status);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
*aDefaultActionTaken = (status != nsEventStatus_eConsumeNoDefault);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::SendNativeKeyEvent(PRInt32 aNativeKeyboardLayout,
|
|
PRInt32 aNativeKeyCode,
|
|
PRInt32 aModifiers,
|
|
const nsAString& aCharacters,
|
|
const nsAString& aUnmodifiedCharacters)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
// get the widget to send the event to
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return widget->SynthesizeNativeKeyEvent(aNativeKeyboardLayout, aNativeKeyCode,
|
|
aModifiers, aCharacters, aUnmodifiedCharacters);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::SendNativeMouseEvent(PRInt32 aScreenX,
|
|
PRInt32 aScreenY,
|
|
PRInt32 aNativeMessage,
|
|
PRInt32 aModifierFlags,
|
|
nsIDOMElement* aElement)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
// get the widget to send the event to
|
|
nsCOMPtr<nsIWidget> widget = GetWidgetForElement(aElement);
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return widget->SynthesizeNativeMouseEvent(nsIntPoint(aScreenX, aScreenY),
|
|
aNativeMessage, aModifierFlags);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::ActivateNativeMenuItemAt(const nsAString& indexString)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
// get the widget to send the event to
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return widget->ActivateNativeMenuItemAt(indexString);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::ForceUpdateNativeMenuAt(const nsAString& indexString)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
// get the widget to send the event to
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return widget->ForceUpdateNativeMenuAt(indexString);
|
|
}
|
|
|
|
nsIWidget*
|
|
nsDOMWindowUtils::GetWidget(nsPoint* aOffset)
|
|
{
|
|
if (mWindow) {
|
|
nsIDocShell *docShell = mWindow->GetDocShell();
|
|
if (docShell) {
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
docShell->GetPresShell(getter_AddRefs(presShell));
|
|
if (presShell) {
|
|
nsIFrame* frame = presShell->GetRootFrame();
|
|
if (frame)
|
|
return frame->GetView()->GetNearestWidget(aOffset);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nsnull;
|
|
}
|
|
|
|
nsIWidget*
|
|
nsDOMWindowUtils::GetWidgetForElement(nsIDOMElement* aElement)
|
|
{
|
|
if (!aElement)
|
|
return GetWidget();
|
|
|
|
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement);
|
|
nsIDocument* doc = content->GetCurrentDoc();
|
|
nsIPresShell* presShell = doc ? doc->GetShell() : nsnull;
|
|
|
|
if (presShell) {
|
|
nsIFrame* frame = content->GetPrimaryFrame();
|
|
if (!frame) {
|
|
frame = presShell->GetRootFrame();
|
|
}
|
|
if (frame)
|
|
return frame->GetNearestWidget();
|
|
}
|
|
|
|
return nsnull;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::Focus(nsIDOMElement* aElement)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
|
|
if (fm) {
|
|
if (aElement)
|
|
fm->SetFocus(aElement, 0);
|
|
else
|
|
fm->ClearFocus(mWindow);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GarbageCollect(nsICycleCollectorListener *aListener)
|
|
{
|
|
// Always permit this in debug builds.
|
|
#ifndef DEBUG
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
#endif
|
|
|
|
nsJSContext::GarbageCollectNow();
|
|
nsJSContext::CycleCollectNow(aListener);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::ProcessUpdates()
|
|
{
|
|
nsPresContext* presContext = GetPresContext();
|
|
if (!presContext)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
nsIPresShell* shell = presContext->GetPresShell();
|
|
if (!shell)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
nsIViewManager *viewManager = shell->GetViewManager();
|
|
if (!viewManager)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
nsIViewManager::UpdateViewBatch batch;
|
|
batch.BeginUpdateViewBatch(viewManager);
|
|
batch.EndUpdateViewBatch(NS_VMREFRESH_IMMEDIATE);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::SendSimpleGestureEvent(const nsAString& aType,
|
|
float aX,
|
|
float aY,
|
|
PRUint32 aDirection,
|
|
PRFloat64 aDelta,
|
|
PRInt32 aModifiers)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
// get the widget to send the event to
|
|
nsPoint offset;
|
|
nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRInt32 msg;
|
|
if (aType.EqualsLiteral("MozSwipeGesture"))
|
|
msg = NS_SIMPLE_GESTURE_SWIPE;
|
|
else if (aType.EqualsLiteral("MozMagnifyGestureStart"))
|
|
msg = NS_SIMPLE_GESTURE_MAGNIFY_START;
|
|
else if (aType.EqualsLiteral("MozMagnifyGestureUpdate"))
|
|
msg = NS_SIMPLE_GESTURE_MAGNIFY_UPDATE;
|
|
else if (aType.EqualsLiteral("MozMagnifyGesture"))
|
|
msg = NS_SIMPLE_GESTURE_MAGNIFY;
|
|
else if (aType.EqualsLiteral("MozRotateGestureStart"))
|
|
msg = NS_SIMPLE_GESTURE_ROTATE_START;
|
|
else if (aType.EqualsLiteral("MozRotateGestureUpdate"))
|
|
msg = NS_SIMPLE_GESTURE_ROTATE_UPDATE;
|
|
else if (aType.EqualsLiteral("MozRotateGesture"))
|
|
msg = NS_SIMPLE_GESTURE_ROTATE;
|
|
else if (aType.EqualsLiteral("MozTapGesture"))
|
|
msg = NS_SIMPLE_GESTURE_TAP;
|
|
else if (aType.EqualsLiteral("MozPressTapGesture"))
|
|
msg = NS_SIMPLE_GESTURE_PRESSTAP;
|
|
else
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsSimpleGestureEvent event(PR_TRUE, msg, widget, aDirection, aDelta);
|
|
event.isShift = (aModifiers & nsIDOMNSEvent::SHIFT_MASK) ? PR_TRUE : PR_FALSE;
|
|
event.isControl = (aModifiers & nsIDOMNSEvent::CONTROL_MASK) ? PR_TRUE : PR_FALSE;
|
|
event.isAlt = (aModifiers & nsIDOMNSEvent::ALT_MASK) ? PR_TRUE : PR_FALSE;
|
|
event.isMeta = (aModifiers & nsIDOMNSEvent::META_MASK) ? PR_TRUE : PR_FALSE;
|
|
event.time = PR_IntervalNow();
|
|
|
|
nsPresContext* presContext = GetPresContext();
|
|
if (!presContext)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRInt32 appPerDev = presContext->AppUnitsPerDevPixel();
|
|
event.refPoint.x =
|
|
NSAppUnitsToIntPixels(nsPresContext::CSSPixelsToAppUnits(aX) + offset.x,
|
|
appPerDev);
|
|
event.refPoint.y =
|
|
NSAppUnitsToIntPixels(nsPresContext::CSSPixelsToAppUnits(aY) + offset.y,
|
|
appPerDev);
|
|
|
|
nsEventStatus status;
|
|
return widget->DispatchEvent(&event, status);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::ElementFromPoint(float aX, float aY,
|
|
PRBool aIgnoreRootScrollFrame,
|
|
PRBool aFlushLayout,
|
|
nsIDOMElement** aReturn)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc(do_QueryInterface(mWindow->GetExtantDocument()));
|
|
NS_ENSURE_STATE(doc);
|
|
|
|
return doc->ElementFromPointHelper(aX, aY, aIgnoreRootScrollFrame, aFlushLayout,
|
|
aReturn);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::NodesFromRect(float aX, float aY,
|
|
float aTopSize, float aRightSize,
|
|
float aBottomSize, float aLeftSize,
|
|
PRBool aIgnoreRootScrollFrame,
|
|
PRBool aFlushLayout,
|
|
nsIDOMNodeList** aReturn)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc(do_QueryInterface(mWindow->GetExtantDocument()));
|
|
NS_ENSURE_STATE(doc);
|
|
|
|
return doc->NodesFromRectHelper(aX, aY, aTopSize, aRightSize, aBottomSize, aLeftSize,
|
|
aIgnoreRootScrollFrame, aFlushLayout, aReturn);
|
|
}
|
|
|
|
static already_AddRefed<gfxImageSurface>
|
|
CanvasToImageSurface(nsIDOMHTMLCanvasElement *canvas)
|
|
{
|
|
nsLayoutUtils::SurfaceFromElementResult result =
|
|
nsLayoutUtils::SurfaceFromElement(canvas,
|
|
nsLayoutUtils::SFE_WANT_IMAGE_SURFACE);
|
|
return static_cast<gfxImageSurface*>(result.mSurface.forget().get());
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::CompareCanvases(nsIDOMHTMLCanvasElement *aCanvas1,
|
|
nsIDOMHTMLCanvasElement *aCanvas2,
|
|
PRUint32* aMaxDifference,
|
|
PRUint32* retVal)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
if (aCanvas1 == nsnull ||
|
|
aCanvas2 == nsnull ||
|
|
retVal == nsnull)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsRefPtr<gfxImageSurface> img1 = CanvasToImageSurface(aCanvas1);
|
|
nsRefPtr<gfxImageSurface> img2 = CanvasToImageSurface(aCanvas2);
|
|
|
|
if (img1 == nsnull || img2 == nsnull ||
|
|
img1->GetSize() != img2->GetSize() ||
|
|
img1->Stride() != img2->Stride())
|
|
return NS_ERROR_FAILURE;
|
|
|
|
int v;
|
|
gfxIntSize size = img1->GetSize();
|
|
PRUint32 stride = img1->Stride();
|
|
|
|
// we can optimize for the common all-pass case
|
|
if (stride == (PRUint32) size.width * 4) {
|
|
v = memcmp(img1->Data(), img2->Data(), size.width * size.height * 4);
|
|
if (v == 0) {
|
|
if (aMaxDifference)
|
|
*aMaxDifference = 0;
|
|
*retVal = 0;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
PRUint32 dc = 0;
|
|
PRUint32 different = 0;
|
|
|
|
for (int j = 0; j < size.height; j++) {
|
|
unsigned char *p1 = img1->Data() + j*stride;
|
|
unsigned char *p2 = img2->Data() + j*stride;
|
|
v = memcmp(p1, p2, stride);
|
|
|
|
if (v) {
|
|
for (int i = 0; i < size.width; i++) {
|
|
if (*(PRUint32*) p1 != *(PRUint32*) p2) {
|
|
|
|
different++;
|
|
|
|
dc = NS_MAX((PRUint32)abs(p1[0] - p2[0]), dc);
|
|
dc = NS_MAX((PRUint32)abs(p1[1] - p2[1]), dc);
|
|
dc = NS_MAX((PRUint32)abs(p1[2] - p2[2]), dc);
|
|
dc = NS_MAX((PRUint32)abs(p1[3] - p2[3]), dc);
|
|
}
|
|
|
|
p1 += 4;
|
|
p2 += 4;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (aMaxDifference)
|
|
*aMaxDifference = dc;
|
|
|
|
*retVal = different;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetIsMozAfterPaintPending(PRBool *aResult)
|
|
{
|
|
*aResult = PR_FALSE;
|
|
nsPresContext* presContext = GetPresContext();
|
|
if (!presContext)
|
|
return NS_OK;
|
|
*aResult = presContext->IsDOMPaintEventPending();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::ClearMozAfterPaintEvents()
|
|
{
|
|
nsPresContext* presContext = GetPresContext();
|
|
if (!presContext)
|
|
return NS_OK;
|
|
presContext->ClearMozAfterPaintEvents();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::DisableNonTestMouseEvents(PRBool aDisable)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
NS_ENSURE_TRUE(mWindow, NS_ERROR_FAILURE);
|
|
nsIDocShell *docShell = mWindow->GetDocShell();
|
|
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
docShell->GetPresShell(getter_AddRefs(presShell));
|
|
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
|
|
presShell->DisableNonTestMouseEvents(aDisable);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::SuppressEventHandling(PRBool aSuppress)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocument> doc(do_QueryInterface(mWindow->GetExtantDocument()));
|
|
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
|
|
|
|
if (aSuppress) {
|
|
doc->SuppressEventHandling();
|
|
} else {
|
|
doc->UnsuppressEventHandlingAndFireEvents(PR_TRUE);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetScrollXY(PRBool aFlushLayout, PRInt32* aScrollX, PRInt32* aScrollY)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc(do_QueryInterface(mWindow->GetExtantDocument()));
|
|
NS_ENSURE_STATE(doc);
|
|
|
|
if (aFlushLayout) {
|
|
doc->FlushPendingNotifications(Flush_Layout);
|
|
}
|
|
|
|
nsPoint scrollPos(0,0);
|
|
nsIPresShell *presShell = doc->GetShell();
|
|
if (presShell) {
|
|
nsIScrollableFrame* sf = presShell->GetRootScrollFrameAsScrollable();
|
|
if (sf) {
|
|
scrollPos = sf->GetScrollPosition();
|
|
}
|
|
}
|
|
|
|
*aScrollX = nsPresContext::AppUnitsToIntCSSPixels(scrollPos.x);
|
|
*aScrollY = nsPresContext::AppUnitsToIntCSSPixels(scrollPos.y);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetIMEIsOpen(PRBool *aState)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aState);
|
|
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Open state should not be available when IME is not enabled.
|
|
nsIWidget_MOZILLA_2_0_BRANCH* widget2 = static_cast<nsIWidget_MOZILLA_2_0_BRANCH*>(widget.get());
|
|
IMEContext context;
|
|
nsresult rv = widget2->GetInputMode(context);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
if (context.mStatus != nsIWidget::IME_STATUS_ENABLED)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
return widget->GetIMEOpenState(aState);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetIMEStatus(PRUint32 *aState)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aState);
|
|
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsIWidget_MOZILLA_2_0_BRANCH* widget2 = static_cast<nsIWidget_MOZILLA_2_0_BRANCH*>(widget.get());
|
|
IMEContext context;
|
|
nsresult rv = widget2->GetInputMode(context);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
*aState = context.mStatus;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetFocusedInputType(char** aType)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aType);
|
|
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsIWidget_MOZILLA_2_0_BRANCH* widget2 = static_cast<nsIWidget_MOZILLA_2_0_BRANCH*>(widget.get());
|
|
IMEContext context;
|
|
nsresult rv = widget2->GetInputMode(context);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
*aType = ToNewCString(context.mHTMLInputType);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::FindElementWithViewId(nsViewID aID,
|
|
nsIDOMElement** aResult)
|
|
{
|
|
if (aID == FrameMetrics::ROOT_SCROLL_ID) {
|
|
nsPresContext* presContext = GetPresContext();
|
|
if (!presContext) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
nsIDocument* document = presContext->Document();
|
|
mozilla::dom::Element* rootElement = document->GetRootElement();
|
|
if (!rootElement) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
CallQueryInterface(rootElement, aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsRefPtr<nsIContent> content = nsLayoutUtils::FindContentFor(aID);
|
|
return content ? CallQueryInterface(content, aResult) : NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetScreenPixelsPerCSSPixel(float* aScreenPixels)
|
|
{
|
|
*aScreenPixels = 1;
|
|
|
|
if (!nsContentUtils::IsCallerTrustedForRead())
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
nsPresContext* presContext = GetPresContext();
|
|
if (!presContext)
|
|
return NS_OK;
|
|
|
|
*aScreenPixels = float(nsPresContext::AppUnitsPerCSSPixel())/
|
|
presContext->AppUnitsPerDevPixel();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::DispatchDOMEventViaPresShell(nsIDOMNode* aTarget,
|
|
nsIDOMEvent* aEvent,
|
|
PRBool aTrusted,
|
|
PRBool* aRetVal)
|
|
{
|
|
if (!nsContentUtils::IsCallerTrustedForRead()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
nsPresContext* presContext = GetPresContext();
|
|
NS_ENSURE_STATE(presContext);
|
|
nsCOMPtr<nsIPresShell> shell = presContext->GetPresShell();
|
|
NS_ENSURE_STATE(shell);
|
|
nsCOMPtr<nsIPrivateDOMEvent> event = do_QueryInterface(aEvent);
|
|
NS_ENSURE_STATE(event);
|
|
event->SetTrusted(aTrusted);
|
|
nsEvent* internalEvent = event->GetInternalNSEvent();
|
|
NS_ENSURE_STATE(internalEvent);
|
|
nsCOMPtr<nsIContent> content = do_QueryInterface(aTarget);
|
|
NS_ENSURE_STATE(content);
|
|
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
shell->HandleEventWithTarget(internalEvent, nsnull, content,
|
|
&status);
|
|
*aRetVal = (status != nsEventStatus_eConsumeNoDefault);
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
InitEvent(nsGUIEvent &aEvent, nsIntPoint *aPt = nsnull)
|
|
{
|
|
if (aPt) {
|
|
aEvent.refPoint = *aPt;
|
|
}
|
|
aEvent.time = PR_IntervalNow();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::SendCompositionEvent(const nsAString& aType)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
// get the widget to send the event to
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
PRUint32 msg;
|
|
if (aType.EqualsLiteral("compositionstart")) {
|
|
msg = NS_COMPOSITION_START;
|
|
} else if (aType.EqualsLiteral("compositionend")) {
|
|
msg = NS_COMPOSITION_END;
|
|
} else {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCompositionEvent compositionEvent(PR_TRUE, msg, widget);
|
|
InitEvent(compositionEvent);
|
|
|
|
nsEventStatus status;
|
|
nsresult rv = widget->DispatchEvent(&compositionEvent, status);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
AppendClause(PRInt32 aClauseLength, PRUint32 aClauseAttr,
|
|
nsTArray<nsTextRange>* aRanges)
|
|
{
|
|
NS_PRECONDITION(aRanges, "aRange is null");
|
|
if (aClauseLength == 0) {
|
|
return;
|
|
}
|
|
nsTextRange range;
|
|
range.mStartOffset = aRanges->Length() == 0 ? 0 :
|
|
aRanges->ElementAt(aRanges->Length() - 1).mEndOffset + 1;
|
|
range.mEndOffset = range.mStartOffset + aClauseLength;
|
|
NS_ASSERTION(range.mStartOffset <= range.mEndOffset, "range is invalid");
|
|
NS_PRECONDITION(aClauseAttr == NS_TEXTRANGE_RAWINPUT ||
|
|
aClauseAttr == NS_TEXTRANGE_SELECTEDRAWTEXT ||
|
|
aClauseAttr == NS_TEXTRANGE_CONVERTEDTEXT ||
|
|
aClauseAttr == NS_TEXTRANGE_SELECTEDCONVERTEDTEXT,
|
|
"aClauseAttr is invalid value");
|
|
range.mRangeType = aClauseAttr;
|
|
aRanges->AppendElement(range);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::SendTextEvent(const nsAString& aCompositionString,
|
|
PRInt32 aFirstClauseLength,
|
|
PRUint32 aFirstClauseAttr,
|
|
PRInt32 aSecondClauseLength,
|
|
PRUint32 aSecondClauseAttr,
|
|
PRInt32 aThirdClauseLength,
|
|
PRUint32 aThirdClauseAttr,
|
|
PRInt32 aCaretStart,
|
|
PRInt32 aCaretLength)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
// get the widget to send the event to
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsTextEvent textEvent(PR_TRUE, NS_TEXT_TEXT, widget);
|
|
InitEvent(textEvent);
|
|
|
|
nsAutoTArray<nsTextRange, 4> textRanges;
|
|
NS_ENSURE_TRUE(aFirstClauseLength >= 0, NS_ERROR_INVALID_ARG);
|
|
NS_ENSURE_TRUE(aSecondClauseLength >= 0, NS_ERROR_INVALID_ARG);
|
|
NS_ENSURE_TRUE(aThirdClauseLength >= 0, NS_ERROR_INVALID_ARG);
|
|
AppendClause(aFirstClauseLength, aFirstClauseAttr, &textRanges);
|
|
AppendClause(aSecondClauseLength, aSecondClauseAttr, &textRanges);
|
|
AppendClause(aThirdClauseLength, aThirdClauseAttr, &textRanges);
|
|
PRInt32 len = aFirstClauseLength + aSecondClauseLength + aThirdClauseLength;
|
|
NS_ENSURE_TRUE(len == 0 || PRUint32(len) == aCompositionString.Length(),
|
|
NS_ERROR_FAILURE);
|
|
|
|
if (aCaretStart >= 0) {
|
|
nsTextRange range;
|
|
range.mStartOffset = aCaretStart;
|
|
range.mEndOffset = range.mStartOffset + aCaretLength;
|
|
range.mRangeType = NS_TEXTRANGE_CARETPOSITION;
|
|
textRanges.AppendElement(range);
|
|
}
|
|
|
|
textEvent.theText = aCompositionString;
|
|
|
|
textEvent.rangeCount = textRanges.Length();
|
|
textEvent.rangeArray = textRanges.Elements();
|
|
|
|
nsEventStatus status;
|
|
nsresult rv = widget->DispatchEvent(&textEvent, status);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::SendQueryContentEvent(PRUint32 aType,
|
|
PRUint32 aOffset, PRUint32 aLength,
|
|
PRInt32 aX, PRInt32 aY,
|
|
nsIQueryContentEventResult **aResult)
|
|
{
|
|
*aResult = nsnull;
|
|
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
NS_ENSURE_TRUE(mWindow, NS_ERROR_FAILURE);
|
|
|
|
nsIDocShell *docShell = mWindow->GetDocShell();
|
|
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
|
|
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
docShell->GetPresShell(getter_AddRefs(presShell));
|
|
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
|
|
|
|
nsPresContext* presContext = presShell->GetPresContext();
|
|
NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
|
|
|
|
// get the widget to send the event to
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (aType != NS_QUERY_SELECTED_TEXT &&
|
|
aType != NS_QUERY_TEXT_CONTENT &&
|
|
aType != NS_QUERY_CARET_RECT &&
|
|
aType != NS_QUERY_TEXT_RECT &&
|
|
aType != NS_QUERY_EDITOR_RECT &&
|
|
aType != NS_QUERY_CHARACTER_AT_POINT) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
nsCOMPtr<nsIWidget> targetWidget = widget;
|
|
nsIntPoint pt(aX, aY);
|
|
|
|
if (aType == QUERY_CHARACTER_AT_POINT) {
|
|
// Looking for the widget at the point.
|
|
nsQueryContentEvent dummyEvent(PR_TRUE, NS_QUERY_CONTENT_STATE, widget);
|
|
InitEvent(dummyEvent, &pt);
|
|
nsIFrame* popupFrame =
|
|
nsLayoutUtils::GetPopupFrameForEventCoordinates(presContext->GetRootPresContext(), &dummyEvent);
|
|
|
|
nsIntRect widgetBounds;
|
|
nsresult rv = widget->GetClientBounds(widgetBounds);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// There is no popup frame at the point and the point isn't in our widget,
|
|
// we cannot process this request.
|
|
NS_ENSURE_TRUE(popupFrame || widgetBounds.Contains(pt),
|
|
NS_ERROR_FAILURE);
|
|
|
|
// Fire the event on the widget at the point
|
|
if (popupFrame) {
|
|
targetWidget = popupFrame->GetNearestWidget();
|
|
}
|
|
}
|
|
|
|
pt += widget->WidgetToScreenOffset() - targetWidget->WidgetToScreenOffset();
|
|
|
|
nsQueryContentEvent queryEvent(PR_TRUE, aType, targetWidget);
|
|
InitEvent(queryEvent, &pt);
|
|
|
|
switch (aType) {
|
|
case NS_QUERY_TEXT_CONTENT:
|
|
queryEvent.InitForQueryTextContent(aOffset, aLength);
|
|
break;
|
|
case NS_QUERY_CARET_RECT:
|
|
queryEvent.InitForQueryCaretRect(aOffset);
|
|
break;
|
|
case NS_QUERY_TEXT_RECT:
|
|
queryEvent.InitForQueryTextRect(aOffset, aLength);
|
|
break;
|
|
}
|
|
|
|
nsEventStatus status;
|
|
nsresult rv = targetWidget->DispatchEvent(&queryEvent, status);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsQueryContentEventResult* result = new nsQueryContentEventResult();
|
|
NS_ENSURE_TRUE(result, NS_ERROR_OUT_OF_MEMORY);
|
|
result->SetEventResult(widget, queryEvent);
|
|
NS_ADDREF(*aResult = result);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::SendSelectionSetEvent(PRUint32 aOffset,
|
|
PRUint32 aLength,
|
|
PRBool aReverse,
|
|
PRBool *aResult)
|
|
{
|
|
*aResult = PR_FALSE;
|
|
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
// get the widget to send the event to
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsSelectionEvent selectionEvent(PR_TRUE, NS_SELECTION_SET, widget);
|
|
InitEvent(selectionEvent);
|
|
|
|
selectionEvent.mOffset = aOffset;
|
|
selectionEvent.mLength = aLength;
|
|
selectionEvent.mReversed = aReverse;
|
|
|
|
nsEventStatus status;
|
|
nsresult rv = widget->DispatchEvent(&selectionEvent, status);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
*aResult = selectionEvent.mSucceeded;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::SendContentCommandEvent(const nsAString& aType,
|
|
nsITransferable * aTransferable)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
// get the widget to send the event to
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRInt32 msg;
|
|
if (aType.EqualsLiteral("cut"))
|
|
msg = NS_CONTENT_COMMAND_CUT;
|
|
else if (aType.EqualsLiteral("copy"))
|
|
msg = NS_CONTENT_COMMAND_COPY;
|
|
else if (aType.EqualsLiteral("paste"))
|
|
msg = NS_CONTENT_COMMAND_PASTE;
|
|
else if (aType.EqualsLiteral("delete"))
|
|
msg = NS_CONTENT_COMMAND_DELETE;
|
|
else if (aType.EqualsLiteral("undo"))
|
|
msg = NS_CONTENT_COMMAND_UNDO;
|
|
else if (aType.EqualsLiteral("redo"))
|
|
msg = NS_CONTENT_COMMAND_REDO;
|
|
else if (aType.EqualsLiteral("pasteTransferable"))
|
|
msg = NS_CONTENT_COMMAND_PASTE_TRANSFERABLE;
|
|
else
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsContentCommandEvent event(PR_TRUE, msg, widget);
|
|
if (msg == NS_CONTENT_COMMAND_PASTE_TRANSFERABLE) {
|
|
event.mTransferable = aTransferable;
|
|
}
|
|
|
|
nsEventStatus status;
|
|
return widget->DispatchEvent(&event, status);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetClassName(char **aName)
|
|
{
|
|
if (!nsContentUtils::IsCallerTrustedForRead()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
// get the xpconnect native call context
|
|
nsAXPCNativeCallContext *cc = nsnull;
|
|
nsContentUtils::XPConnect()->GetCurrentNativeCallContext(&cc);
|
|
if(!cc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Get JSContext of current call
|
|
JSContext* cx;
|
|
nsresult rv = cc->GetJSContext(&cx);
|
|
if(NS_FAILED(rv) || !cx)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// get argc and argv and verify arg count
|
|
PRUint32 argc;
|
|
rv = cc->GetArgc(&argc);
|
|
if(NS_FAILED(rv))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
if(argc < 1)
|
|
return NS_ERROR_XPC_NOT_ENOUGH_ARGS;
|
|
|
|
jsval* argv;
|
|
rv = cc->GetArgvPtr(&argv);
|
|
if(NS_FAILED(rv) || !argv)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Our argument must be a non-null object.
|
|
if(JSVAL_IS_PRIMITIVE(argv[0]))
|
|
return NS_ERROR_XPC_BAD_CONVERT_JS;
|
|
|
|
*aName = NS_strdup(JS_GET_CLASS(cx, JSVAL_TO_OBJECT(argv[0]))->name);
|
|
return *aName ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetVisitedDependentComputedStyle(
|
|
nsIDOMElement *aElement, const nsAString& aPseudoElement,
|
|
const nsAString& aPropertyName, nsAString& aResult)
|
|
{
|
|
aResult.Truncate();
|
|
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMCSSStyleDeclaration> decl;
|
|
nsresult rv =
|
|
mWindow->GetComputedStyle(aElement, aPseudoElement, getter_AddRefs(decl));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
static_cast<nsComputedDOMStyle*>(decl.get())->SetExposeVisitedStyle(PR_TRUE);
|
|
rv = decl->GetPropertyValue(aPropertyName, aResult);
|
|
static_cast<nsComputedDOMStyle*>(decl.get())->SetExposeVisitedStyle(PR_FALSE);
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::EnterModalState()
|
|
{
|
|
mWindow->EnterModalState();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::LeaveModalState()
|
|
{
|
|
mWindow->LeaveModalState(nsnull);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::EnterModalStateWithWindow(nsIDOMWindow **aWindow)
|
|
{
|
|
*aWindow = mWindow->EnterModalState();
|
|
NS_IF_ADDREF(*aWindow);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::LeaveModalStateWithWindow(nsIDOMWindow *aWindow)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aWindow);
|
|
mWindow->LeaveModalState(aWindow);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::IsInModalState(PRBool *retval)
|
|
{
|
|
*retval = mWindow->IsInModalState();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetParent()
|
|
{
|
|
// This wasn't privileged in the past, but better to expose less than more.
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
nsCOMPtr<nsIXPConnect> xpc = nsContentUtils::XPConnect();
|
|
|
|
// get the xpconnect native call context
|
|
nsAXPCNativeCallContext *cc = nsnull;
|
|
xpc->GetCurrentNativeCallContext(&cc);
|
|
if(!cc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Get JSContext of current call
|
|
JSContext* cx;
|
|
nsresult rv = cc->GetJSContext(&cx);
|
|
if(NS_FAILED(rv) || !cx)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// get place for return value
|
|
jsval *rval = nsnull;
|
|
rv = cc->GetRetValPtr(&rval);
|
|
if(NS_FAILED(rv) || !rval)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// get argc and argv and verify arg count
|
|
PRUint32 argc;
|
|
rv = cc->GetArgc(&argc);
|
|
if(NS_FAILED(rv))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
if(argc != 1)
|
|
return NS_ERROR_XPC_NOT_ENOUGH_ARGS;
|
|
|
|
jsval* argv;
|
|
rv = cc->GetArgvPtr(&argv);
|
|
if(NS_FAILED(rv) || !argv)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// first argument must be an object
|
|
if(JSVAL_IS_PRIMITIVE(argv[0]))
|
|
return NS_ERROR_XPC_BAD_CONVERT_JS;
|
|
|
|
JSObject *parent = JS_GetParent(cx, JSVAL_TO_OBJECT(argv[0]));
|
|
*rval = OBJECT_TO_JSVAL(parent);
|
|
|
|
// Outerize if necessary.
|
|
if (parent) {
|
|
if (JSObjectOp outerize = parent->getClass()->ext.outerObject)
|
|
*rval = OBJECT_TO_JSVAL(outerize(cx, parent));
|
|
}
|
|
|
|
cc->SetReturnValueWasSet(PR_TRUE);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetOuterWindowID(PRUint64 *aWindowID)
|
|
{
|
|
NS_ASSERTION(mWindow->IsOuterWindow(), "How did that happen?");
|
|
*aWindowID = mWindow->WindowID();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetCurrentInnerWindowID(PRUint64 *aWindowID)
|
|
{
|
|
NS_ASSERTION(mWindow->IsOuterWindow(), "How did that happen?");
|
|
nsGlobalWindow* inner = mWindow->GetCurrentInnerWindowInternal();
|
|
if (!inner) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
*aWindowID = inner->WindowID();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::SuspendTimeouts()
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
mWindow->SuspendTimeouts();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::ResumeTimeouts()
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
mWindow->ResumeTimeouts();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetLayerManagerType(nsAString& aType)
|
|
{
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
LayerManager *mgr = widget->GetLayerManager();
|
|
if (!mgr)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
mgr->GetBackendName(aType);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
static PRBool
|
|
ComputeAnimationValue(nsCSSProperty aProperty, nsIContent* aContent,
|
|
const nsAString& aInput,
|
|
nsStyleAnimation::Value& aOutput)
|
|
{
|
|
|
|
if (!nsStyleAnimation::ComputeValue(aProperty, aContent, aInput,
|
|
PR_FALSE, aOutput)) {
|
|
return PR_FALSE;
|
|
}
|
|
|
|
// This matches TransExtractComputedValue in nsTransitionManager.cpp.
|
|
if (aProperty == eCSSProperty_visibility) {
|
|
NS_ABORT_IF_FALSE(aOutput.GetUnit() == nsStyleAnimation::eUnit_Enumerated,
|
|
"unexpected unit");
|
|
aOutput.SetIntValue(aOutput.GetIntValue(),
|
|
nsStyleAnimation::eUnit_Visibility);
|
|
}
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::ComputeAnimationDistance(nsIDOMElement* aElement,
|
|
const nsAString& aProperty,
|
|
const nsAString& aValue1,
|
|
const nsAString& aValue2,
|
|
double* aResult)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Convert direction-dependent properties as appropriate, e.g.,
|
|
// border-left to border-left-value.
|
|
nsCSSProperty property = nsCSSProps::LookupProperty(aProperty);
|
|
if (property != eCSSProperty_UNKNOWN && nsCSSProps::IsShorthand(property)) {
|
|
nsCSSProperty subprop0 = *nsCSSProps::SubpropertyEntryFor(property);
|
|
if (nsCSSProps::PropHasFlags(subprop0, CSS_PROPERTY_REPORT_OTHER_NAME) &&
|
|
nsCSSProps::OtherNameFor(subprop0) == property) {
|
|
property = subprop0;
|
|
} else {
|
|
property = eCSSProperty_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
NS_ABORT_IF_FALSE(property == eCSSProperty_UNKNOWN ||
|
|
!nsCSSProps::IsShorthand(property),
|
|
"should not have shorthand");
|
|
|
|
nsStyleAnimation::Value v1, v2;
|
|
if (property == eCSSProperty_UNKNOWN ||
|
|
!ComputeAnimationValue(property, content, aValue1, v1) ||
|
|
!ComputeAnimationValue(property, content, aValue2, v2)) {
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
}
|
|
|
|
if (!nsStyleAnimation::ComputeDistance(property, v1, v2, *aResult)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsDOMWindowUtils::RenderDocument(const nsRect& aRect,
|
|
PRUint32 aFlags,
|
|
nscolor aBackgroundColor,
|
|
gfxContext* aThebesContext)
|
|
{
|
|
// Get DOM Document
|
|
nsresult rv;
|
|
nsCOMPtr<nsIDOMDocument> ddoc;
|
|
rv = mWindow->GetDocument(getter_AddRefs(ddoc));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Get Document
|
|
nsCOMPtr<nsIDocument> doc = do_QueryInterface(ddoc, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Get Primary Shell
|
|
nsCOMPtr<nsIPresShell> presShell = doc->GetShell();
|
|
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
|
|
|
|
// Render Document
|
|
return presShell->RenderDocument(aRect, aFlags, aBackgroundColor, aThebesContext);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetCursorType(PRInt16 *aCursor)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aCursor);
|
|
|
|
PRBool isSameDoc = PR_FALSE;
|
|
nsCOMPtr<nsIDocument> doc(do_QueryInterface(mWindow->GetExtantDocument()));
|
|
|
|
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
|
|
|
|
do {
|
|
if (nsEventStateManager::sMouseOverDocument == doc.get()) {
|
|
isSameDoc = PR_TRUE;
|
|
break;
|
|
}
|
|
} while ((doc = doc->GetParentDocument()));
|
|
|
|
if (!isSameDoc) {
|
|
*aCursor = eCursor_none;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// fetch cursor value from window's widget
|
|
*aCursor = widget->GetCursor();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetDisplayDPI(float *aDPI)
|
|
{
|
|
nsCOMPtr<nsIWidget> widget = GetWidget();
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
*aDPI = widget->GetDPI();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::GetOuterWindowWithId(PRUint64 aWindowID,
|
|
nsIDOMWindow** aWindow)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
*aWindow = nsGlobalWindow::GetOuterWindowWithId(aWindowID);
|
|
NS_IF_ADDREF(*aWindow);
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
static PRBool
|
|
CheckLeafLayers(Layer* aLayer, const nsIntPoint& aOffset, nsIntRegion* aCoveredRegion)
|
|
{
|
|
gfxMatrix transform;
|
|
if (!aLayer->GetTransform().Is2D(&transform) ||
|
|
transform.HasNonIntegerTranslation())
|
|
return PR_FALSE;
|
|
transform.NudgeToIntegers();
|
|
nsIntPoint offset = aOffset + nsIntPoint(transform.x0, transform.y0);
|
|
|
|
Layer* child = aLayer->GetFirstChild();
|
|
if (child) {
|
|
while (child) {
|
|
if (!CheckLeafLayers(child, offset, aCoveredRegion))
|
|
return PR_FALSE;
|
|
child = child->GetNextSibling();
|
|
}
|
|
} else {
|
|
nsIntRegion rgn = aLayer->GetVisibleRegion();
|
|
rgn.MoveBy(offset);
|
|
nsIntRegion tmp;
|
|
tmp.And(rgn, *aCoveredRegion);
|
|
if (!tmp.IsEmpty())
|
|
return PR_FALSE;
|
|
aCoveredRegion->Or(*aCoveredRegion, rgn);
|
|
}
|
|
|
|
return PR_TRUE;
|
|
}
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsDOMWindowUtils::LeafLayersPartitionWindow(PRBool* aResult)
|
|
{
|
|
if (!IsUniversalXPConnectCapable()) {
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
*aResult = PR_TRUE;
|
|
#ifdef DEBUG
|
|
nsIWidget* widget = GetWidget();
|
|
if (!widget)
|
|
return NS_ERROR_FAILURE;
|
|
LayerManager* manager = widget->GetLayerManager();
|
|
if (!manager)
|
|
return NS_ERROR_FAILURE;
|
|
nsPresContext* presContext = GetPresContext();
|
|
if (!presContext)
|
|
return NS_ERROR_FAILURE;
|
|
Layer* root = manager->GetRoot();
|
|
if (!root)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsIntPoint offset(0, 0);
|
|
nsIntRegion coveredRegion;
|
|
if (!CheckLeafLayers(root, offset, &coveredRegion)) {
|
|
*aResult = PR_FALSE;
|
|
}
|
|
if (!coveredRegion.IsEqual(root->GetVisibleRegion())) {
|
|
*aResult = PR_FALSE;
|
|
}
|
|
#endif
|
|
return NS_OK;
|
|
}
|