зеркало из https://github.com/mozilla/gecko-dev.git
307 строки
10 KiB
Plaintext
307 строки
10 KiB
Plaintext
/* -*- 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: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* David Hyatt <hyatt@netscape.com> (Original Author)
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsCOMPtr.h"
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#include "ContentClickListener.h"
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#include "nsIDOMEventTarget.h"
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#include "nsIContent.h"
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#include "nsIAtom.h"
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#include "nsIDOMElement.h"
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#include "nsString.h"
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#include "nsUnicharUtils.h"
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#include "nsIPrefBranch.h"
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#include "nsIDOMMouseEvent.h"
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#include "nsEmbedAPI.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMDocumentEvent.h"
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#include "nsIDOMEventTarget.h"
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#include "nsIDOMNSHTMLElement.h"
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#include "nsIDOMHTMLSelectElement.h"
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#include "nsIDOMHTMLOptionElement.h"
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#include "nsIDOMHTMLCollection.h"
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#include "nsIDOMWindow.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIDocument.h"
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#include "nsIPresShell.h"
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#include "nsIPresContext.h"
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#include "nsIFrame.h"
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#include "nsIView.h"
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#include "nsIWidget.h"
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// Common helper routines (also used by the context menu code)
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#include "CHGeckoUtils.h"
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#import "CHBrowserView.h"
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static void FindOptionWithContentID(nsIDOMHTMLSelectElement* aSel, PRUint32 aID, nsIDOMHTMLOptionElement** aResult)
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{
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*aResult = nsnull;
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nsCOMPtr<nsIDOMHTMLCollection> options;
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aSel->GetOptions(getter_AddRefs(options));
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PRUint32 count;
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options->GetLength(&count);
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for (PRUint32 i = 0; i < count; i++) {
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nsCOMPtr<nsIDOMNode> node;
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options->Item(i, getter_AddRefs(node));
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PRUint32 contentID;
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nsCOMPtr<nsIContent> content(do_QueryInterface(node));
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content->GetContentID(&contentID);
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if (contentID == aID) {
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nsCOMPtr<nsIDOMHTMLOptionElement> option(do_QueryInterface(node));
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*aResult = option;
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NS_ADDREF(*aResult);
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break;
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}
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}
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}
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@interface CHOptionSelector : NSObject
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{
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nsIDOMHTMLSelectElement* mSelectElt;
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}
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-(id)initWithSelect:(nsIDOMHTMLSelectElement*)aSel;
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-(IBAction)selectOption:(id)aSender;
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@end
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@implementation CHOptionSelector
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-(id)initWithSelect:(nsIDOMHTMLSelectElement*)aSel
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{
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if (self = [super init]) {
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mSelectElt = aSel;
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}
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return self;
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}
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-(IBAction)selectOption:(id)aSender
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{
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int tag = [aSender tag];
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nsCOMPtr<nsIDOMHTMLOptionElement> optionElt;
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FindOptionWithContentID(mSelectElt, tag, getter_AddRefs(optionElt));
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optionElt->SetSelected(PR_TRUE);
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[self autorelease]; // Free up ourselves.
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[[aSender menu] autorelease]; // Free up the menu.
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// Fire a DOM event for the title change.
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nsCOMPtr<nsIDOMEvent> event;
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nsCOMPtr<nsIDOMDocument> domDocument;
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mSelectElt->GetOwnerDocument(getter_AddRefs(domDocument));
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nsCOMPtr<nsIDOMDocumentEvent> docEvent(do_QueryInterface(domDocument));
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docEvent->CreateEvent(NS_LITERAL_STRING("Events"), getter_AddRefs(event));
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if (event) {
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event->InitEvent(NS_LITERAL_STRING("change"), PR_TRUE, PR_TRUE);
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PRBool noDefault;
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nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(mSelectElt));
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target->DispatchEvent(event, &noDefault);
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}
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}
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@end
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NS_IMPL_ISUPPORTS2(ContentClickListener, nsIDOMMouseListener, nsIDOMEventListener);
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ContentClickListener::ContentClickListener(id aBrowserController)
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:mBrowserController(aBrowserController)
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{
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NS_INIT_ISUPPORTS();
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}
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ContentClickListener::~ContentClickListener()
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{
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}
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NS_IMETHODIMP
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ContentClickListener::MouseDown(nsIDOMEvent* aEvent)
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{
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nsCOMPtr<nsIDOMEventTarget> target;
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aEvent->GetTarget(getter_AddRefs(target));
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if (!target)
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return NS_OK;
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nsCOMPtr<nsIDOMHTMLSelectElement> sel(do_QueryInterface(target));
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if (sel) {
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NSMenu* menu = [[NSMenu alloc] init]; // Retain the menu.
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nsCOMPtr<nsIDOMHTMLCollection> options;
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sel->GetOptions(getter_AddRefs(options));
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PRUint32 count;
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options->GetLength(&count);
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PRInt32 selIndex = 0;
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for (PRUint32 i = 0; i < count; i++) {
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nsCOMPtr<nsIDOMNode> node;
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options->Item(i, getter_AddRefs(node));
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PRUint32 contentID;
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nsCOMPtr<nsIContent> content(do_QueryInterface(node));
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content->GetContentID(&contentID);
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nsAutoString text;
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nsCOMPtr<nsIDOMHTMLOptionElement> option(do_QueryInterface(node));
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option->GetLabel(text);
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if (text.IsEmpty())
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option->GetText(text);
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NSString* title = [NSString stringWithCharacters: text.get() length: nsCRT::strlen(text.get())];
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NSMenuItem* menuItem = [[[NSMenuItem alloc] initWithTitle: title action: NULL keyEquivalent: @""] autorelease];
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[menu addItem: menuItem];
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[menuItem setTag: contentID];
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PRBool selected;
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option->GetSelected(&selected);
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if (selected) {
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[menuItem setState: NSOnState];
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selIndex = i;
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}
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CHOptionSelector* optSelector = [[CHOptionSelector alloc] initWithSelect: sel];
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[menuItem setTarget: optSelector];
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[menuItem setAction: @selector(selectOption:)];
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}
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nsCOMPtr<nsIDOMNSHTMLElement> nsSel(do_QueryInterface(sel));
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PRInt32 left, top, height;
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PRInt32 clientX, clientY;
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nsSel->GetOffsetLeft(&left);
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nsSel->GetOffsetTop(&top);
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nsSel->GetOffsetHeight(&height);
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nsCOMPtr<nsIDOMElement> currOffsetParent;
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nsSel->GetOffsetParent(getter_AddRefs(currOffsetParent));
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while (currOffsetParent) {
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nsCOMPtr<nsIDOMNSHTMLElement> currNS(do_QueryInterface(currOffsetParent));
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PRInt32 currLeft, currTop;
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currNS->GetOffsetLeft(&currLeft);
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currNS->GetOffsetTop(&currTop);
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left += currLeft;
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top += currTop;
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currNS->GetOffsetParent(getter_AddRefs(currOffsetParent));
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}
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nsCOMPtr<nsIDOMMouseEvent> msEvent(do_QueryInterface(aEvent));
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msEvent->GetClientX(&clientX);
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msEvent->GetClientY(&clientY);
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PRInt32 xDelta = clientX - left;
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PRInt32 yDelta = top + height - clientY;
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nsCOMPtr<nsIDOMWindow> window = getter_AddRefs([[[mBrowserController getBrowserWrapper] getBrowserView] getContentWindow]);
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PRInt32 scrollX, scrollY;
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window->GetScrollX(&scrollX);
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window->GetScrollY(&scrollY);
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xDelta += scrollX; // Normal direction.
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yDelta -= scrollY; // Remember, y is flipped.
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#define XMENUOFFSET 20
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#define MENUHEIGHT 20
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xDelta += XMENUOFFSET;
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yDelta -= MENUHEIGHT*(selIndex+1);
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NSEvent* event = [NSApp currentEvent];
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NSPoint point = [event locationInWindow];
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point.x -= xDelta;
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point.y -= yDelta;
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NSEvent* mouseEvent = [NSEvent mouseEventWithType: NSLeftMouseDown location: point
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modifierFlags: 0 timestamp: [event timestamp]
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windowNumber: [event windowNumber] context: [event context]
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eventNumber: [event eventNumber] clickCount: [event clickCount] pressure: [event pressure]];
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[NSMenu popUpContextMenu: menu withEvent: mouseEvent forView: [[mBrowserController window] contentView]];
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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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ContentClickListener::MouseClick(nsIDOMEvent* aEvent)
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{
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nsCOMPtr<nsIDOMEventTarget> target;
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aEvent->GetTarget(getter_AddRefs(target));
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if (!target)
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return NS_OK;
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nsCOMPtr<nsIDOMNode> content(do_QueryInterface(target));
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nsCOMPtr<nsIDOMElement> linkContent;
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nsAutoString href;
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CHGeckoUtils::GetEnclosingLinkElementAndHref(content, getter_AddRefs(linkContent), href);
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// XXXdwh Handle simple XLINKs if we want to be compatible with Mozilla, but who
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// really uses these anyway? :)
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if (!linkContent || href.IsEmpty())
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return NS_OK;
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nsCOMPtr<nsIPrefBranch> pref(do_GetService("@mozilla.org/preferences-service;1"));
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if (!pref)
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return NS_OK; // Something bad happened if we can't get prefs.
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PRUint16 button;
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nsCOMPtr<nsIDOMMouseEvent> mouseEvent(do_QueryInterface(aEvent));
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mouseEvent->GetButton(&button);
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PRBool metaKey, shiftKey, altKey;
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mouseEvent->GetMetaKey(&metaKey);
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mouseEvent->GetShiftKey(&shiftKey);
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mouseEvent->GetAltKey(&altKey);
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NSString* hrefStr = [NSString stringWithCharacters: href.get() length:nsCRT::strlen(href.get())];
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NSURL* linkURL = [NSURL URLWithString: hrefStr];
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if ((metaKey && button == 0) || button == 1) {
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// The command key is down or we got a middle click. Open the link in a new window or tab.
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PRBool useTab;
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pref->GetBoolPref("browser.tabs.opentabfor.middleclick", &useTab);
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PRBool loadInBackground;
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pref->GetBoolPref("browser.tabs.loadInBackground", &loadInBackground);
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if (shiftKey)
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loadInBackground = !loadInBackground;
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if (useTab)
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[mBrowserController openNewTabWithURL: linkURL loadInBackground: loadInBackground];
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else
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[mBrowserController openNewWindowWithURL: linkURL loadInBackground: loadInBackground];
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}
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else if (altKey) {
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// The user wants to save this link.
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nsAutoString text;
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CHGeckoUtils::GatherTextUnder(content, text);
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[mBrowserController saveURL: nil filterList: nil
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url: linkURL suggestedFilename: [NSString stringWithCharacters: text.get()
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length: nsCRT::strlen(text.get())]];
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}
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return NS_OK;
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}
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