зеркало из https://github.com/mozilla/pjs.git
1783 строки
51 KiB
C++
1783 строки
51 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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 the Mozilla browser.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Travis Bogard <travis@netscape.com>
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* Adam Lock <adamlock@netscape.com>
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* Mike Pinkerton <pinkerton@netscape.com>
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* Dan Rosen <dr@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either 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 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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// Local Includes
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#include "nsDocShellTreeOwner.h"
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#include "nsWebBrowser.h"
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// Helper Classes
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#include "nsIGenericFactory.h"
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#include "nsStyleCoord.h"
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#include "nsSize.h"
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#include "nsHTMLReflowState.h"
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#include "nsIServiceManager.h"
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#include "nsComponentManagerUtils.h"
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#include "nsXPIDLString.h"
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#include "nsIAtom.h"
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#include "nsReadableUtils.h"
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#include "nsUnicharUtils.h"
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#include "nsISimpleEnumerator.h"
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// Interfaces needed to be included
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#include "nsPresContext.h"
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#include "nsIContextMenuListener.h"
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#include "nsIContextMenuListener2.h"
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#include "nsITooltipListener.h"
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#include "nsIPrivateDOMEvent.h"
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#include "nsIDOMNode.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMDocumentType.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMEvent.h"
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#include "nsIDOMMouseEvent.h"
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#include "nsIDOMNSUIEvent.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIDOMNamedNodeMap.h"
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#include "nsIDOMHTMLInputElement.h"
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#include "nsIWebNavigation.h"
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#include "nsIDOMHTMLElement.h"
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#include "nsIPresShell.h"
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#include "nsPIDOMWindow.h"
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#include "nsIDOMWindowCollection.h"
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#include "nsIFocusController.h"
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#include "nsIDOMWindowInternal.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIWindowWatcher.h"
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#include "nsPIWindowWatcher.h"
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#include "nsIPrompt.h"
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#include "nsRect.h"
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#include "nsIWebBrowserChromeFocus.h"
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#include "nsIContent.h"
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#include "imgIContainer.h"
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#include "nsContextMenuInfo.h"
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#include "nsPresContext.h"
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//
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// GetEventReceiver
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//
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// A helper routine that navigates the tricky path from a |nsWebBrowser| to
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// a |nsIDOMEventReceiver| via the window root and chrome event handler.
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//
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static nsresult
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GetEventReceiver ( nsWebBrowser* inBrowser, nsIDOMEventReceiver** outEventRcvr )
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{
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nsCOMPtr<nsIDOMWindow> domWindow;
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inBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
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NS_ENSURE_TRUE(domWindow, NS_ERROR_FAILURE);
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nsCOMPtr<nsPIDOMWindow> domWindowPrivate = do_QueryInterface(domWindow);
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NS_ENSURE_TRUE(domWindowPrivate, NS_ERROR_FAILURE);
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nsPIDOMWindow *rootWindow = domWindowPrivate->GetPrivateRoot();
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NS_ENSURE_TRUE(rootWindow, NS_ERROR_FAILURE);
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nsIChromeEventHandler *chromeHandler = rootWindow->GetChromeEventHandler();
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NS_ENSURE_TRUE(chromeHandler, NS_ERROR_FAILURE);
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nsCOMPtr<nsIDOMEventReceiver> rcvr = do_QueryInterface(chromeHandler);
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*outEventRcvr = rcvr;
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NS_IF_ADDREF(*outEventRcvr);
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return NS_OK;
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}
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//*****************************************************************************
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//*** nsDocShellTreeOwner: Object Management
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//*****************************************************************************
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nsDocShellTreeOwner::nsDocShellTreeOwner() :
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mWebBrowser(nsnull),
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mTreeOwner(nsnull),
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mPrimaryContentShell(nsnull),
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mWebBrowserChrome(nsnull),
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mOwnerWin(nsnull),
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mOwnerRequestor(nsnull),
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mChromeTooltipListener(nsnull),
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mChromeContextMenuListener(nsnull)
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{
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}
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nsDocShellTreeOwner::~nsDocShellTreeOwner()
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{
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RemoveChromeListeners();
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}
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//*****************************************************************************
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// nsDocShellTreeOwner::nsISupports
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//*****************************************************************************
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NS_IMPL_ADDREF(nsDocShellTreeOwner)
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NS_IMPL_RELEASE(nsDocShellTreeOwner)
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NS_INTERFACE_MAP_BEGIN(nsDocShellTreeOwner)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDocShellTreeOwner)
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NS_INTERFACE_MAP_ENTRY(nsIDocShellTreeOwner)
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NS_INTERFACE_MAP_ENTRY(nsIBaseWindow)
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NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
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NS_INTERFACE_MAP_ENTRY(nsIWebProgressListener)
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NS_INTERFACE_MAP_ENTRY(nsICDocShellTreeOwner)
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NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
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NS_INTERFACE_MAP_END
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//*****************************************************************************
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// nsDocShellTreeOwner::nsIInterfaceRequestor
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//*****************************************************************************
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NS_IMETHODIMP
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nsDocShellTreeOwner::GetInterface(const nsIID& aIID, void** aSink)
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{
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NS_ENSURE_ARG_POINTER(aSink);
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if(NS_SUCCEEDED(QueryInterface(aIID, aSink)))
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return NS_OK;
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if (aIID.Equals(NS_GET_IID(nsIWebBrowserChromeFocus))) {
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if (mWebBrowserChromeWeak != nsnull)
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return mWebBrowserChromeWeak->QueryReferent(aIID, aSink);
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return mOwnerWin->QueryInterface(aIID, aSink);
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}
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if (aIID.Equals(NS_GET_IID(nsIPrompt))) {
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nsIPrompt *prompt;
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EnsurePrompter();
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prompt = mPrompter;
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if (prompt) {
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NS_ADDREF(prompt);
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*aSink = prompt;
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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if (aIID.Equals(NS_GET_IID(nsIAuthPrompt))) {
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nsIAuthPrompt *prompt;
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EnsureAuthPrompter();
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prompt = mAuthPrompter;
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if (prompt) {
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NS_ADDREF(prompt);
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*aSink = prompt;
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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nsCOMPtr<nsIInterfaceRequestor> req = GetOwnerRequestor();
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if (req)
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return req->GetInterface(aIID, aSink);
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return NS_NOINTERFACE;
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}
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//*****************************************************************************
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// nsDocShellTreeOwner::nsIDocShellTreeOwner
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//*****************************************************************************
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NS_IMETHODIMP
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nsDocShellTreeOwner::FindItemWithName(const PRUnichar* aName,
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nsIDocShellTreeItem* aRequestor,
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nsIDocShellTreeItem* aOriginalRequestor,
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nsIDocShellTreeItem** aFoundItem)
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{
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NS_ENSURE_ARG(aName);
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NS_ENSURE_ARG_POINTER(aFoundItem);
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*aFoundItem = nsnull; // if we don't find one, we return NS_OK and a null result
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nsresult rv;
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nsAutoString name(aName);
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if (!mWebBrowser)
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return NS_OK; // stymied
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/* special cases */
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if(name.IsEmpty())
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return NS_OK;
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if(name.LowerCaseEqualsLiteral("_blank"))
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return NS_OK;
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// _main is an IE target which should be case-insensitive but isn't
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// see bug 217886 for details
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if(name.LowerCaseEqualsLiteral("_content") || name.EqualsLiteral("_main")) {
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*aFoundItem = mWebBrowser->mDocShellAsItem;
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NS_IF_ADDREF(*aFoundItem);
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return NS_OK;
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}
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// first, is it us?
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{
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nsCOMPtr<nsIDOMWindow> domWindow;
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mWebBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
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if (domWindow) {
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nsAutoString ourName;
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domWindow->GetName(ourName);
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if (name.Equals(ourName, nsCaseInsensitiveStringComparator())) {
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*aFoundItem = mWebBrowser->mDocShellAsItem;
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NS_IF_ADDREF(*aFoundItem);
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return NS_OK;
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}
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}
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}
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// next, check our children
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rv = FindChildWithName(aName, PR_TRUE, aRequestor, aOriginalRequestor,
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aFoundItem);
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if(NS_FAILED(rv) || *aFoundItem)
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return rv;
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// next, if we have a parent and it isn't the requestor, ask it
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nsCOMPtr<nsIDocShellTreeOwner> reqAsTreeOwner(do_QueryInterface(aRequestor));
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if(mTreeOwner) {
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if (mTreeOwner != reqAsTreeOwner)
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return mTreeOwner->FindItemWithName(aName, mWebBrowser->mDocShellAsItem,
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aOriginalRequestor, aFoundItem);
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return NS_OK;
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}
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// finally, failing everything else, search all windows
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return FindItemWithNameAcrossWindows(aName, aRequestor, aOriginalRequestor,
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aFoundItem);
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}
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nsresult
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nsDocShellTreeOwner::FindChildWithName(const PRUnichar *aName, PRBool aRecurse,
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nsIDocShellTreeItem* aRequestor,
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nsIDocShellTreeItem* aOriginalRequestor,
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nsIDocShellTreeItem **aFoundItem)
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{
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if (!mWebBrowser)
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return NS_OK;
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nsresult rv = NS_OK;
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nsCOMPtr<nsIDOMWindow> domWindow;
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mWebBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
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if (!domWindow)
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return NS_OK;
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nsCOMPtr<nsIDOMWindowCollection> frames;
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domWindow->GetFrames(getter_AddRefs(frames));
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if (!frames)
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return NS_OK;
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PRUint32 ctr, count;
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frames->GetLength(&count);
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for (ctr = 0; ctr < count; ctr++) {
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nsCOMPtr<nsIDOMWindow> frame;
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frames->Item(ctr, getter_AddRefs(frame));
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if (frame) {
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nsCOMPtr<nsIScriptGlobalObject> sgo(do_QueryInterface(frame));
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if (sgo) {
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nsCOMPtr<nsIDocShellTreeItem> item =
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do_QueryInterface(sgo->GetDocShell());
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if (item && item != aRequestor) {
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rv = item->FindItemWithName(aName, mWebBrowser->mDocShellAsItem,
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aOriginalRequestor, aFoundItem);
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if (NS_FAILED(rv) || *aFoundItem)
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break;
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}
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}
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}
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}
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return rv;
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}
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nsresult
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nsDocShellTreeOwner::FindItemWithNameAcrossWindows(const PRUnichar* aName,
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nsIDocShellTreeItem* aRequestor,
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nsIDocShellTreeItem* aOriginalRequestor,
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nsIDocShellTreeItem** aFoundItem)
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{
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// search for the item across the list of top-level windows
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nsCOMPtr<nsPIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
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if (!wwatch)
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return NS_OK;
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return wwatch->FindItemWithName(aName, aRequestor, aOriginalRequestor,
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aFoundItem);
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}
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void
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nsDocShellTreeOwner::EnsurePrompter()
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{
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if (mPrompter)
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return;
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nsCOMPtr<nsIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
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if (wwatch && mWebBrowser) {
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nsCOMPtr<nsIDOMWindow> domWindow;
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mWebBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
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if (domWindow)
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wwatch->GetNewPrompter(domWindow, getter_AddRefs(mPrompter));
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}
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}
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void
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nsDocShellTreeOwner::EnsureAuthPrompter()
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{
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if (mAuthPrompter)
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return;
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nsCOMPtr<nsIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
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if (wwatch && mWebBrowser) {
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nsCOMPtr<nsIDOMWindow> domWindow;
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mWebBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
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if (domWindow)
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wwatch->GetNewAuthPrompter(domWindow, getter_AddRefs(mAuthPrompter));
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}
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}
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void
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nsDocShellTreeOwner::AddToWatcher()
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{
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if (mWebBrowser) {
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nsCOMPtr<nsIDOMWindow> domWindow;
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mWebBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
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if (domWindow) {
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nsCOMPtr<nsPIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
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if (wwatch) {
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nsCOMPtr<nsIWebBrowserChrome> webBrowserChrome = GetWebBrowserChrome();
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if (webBrowserChrome)
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wwatch->AddWindow(domWindow, webBrowserChrome);
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}
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}
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}
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}
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void
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nsDocShellTreeOwner::RemoveFromWatcher()
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{
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if (mWebBrowser) {
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nsCOMPtr<nsIDOMWindow> domWindow;
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mWebBrowser->GetContentDOMWindow(getter_AddRefs(domWindow));
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if (domWindow) {
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nsCOMPtr<nsPIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
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if (wwatch)
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wwatch->RemoveWindow(domWindow);
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}
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}
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}
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NS_IMETHODIMP
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nsDocShellTreeOwner::ContentShellAdded(nsIDocShellTreeItem* aContentShell,
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PRBool aPrimary, const PRUnichar* aID)
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{
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if(mTreeOwner)
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return mTreeOwner->ContentShellAdded(aContentShell, aPrimary, aID);
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if (aPrimary)
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mPrimaryContentShell = aContentShell;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDocShellTreeOwner::GetPrimaryContentShell(nsIDocShellTreeItem** aShell)
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{
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NS_ENSURE_ARG_POINTER(aShell);
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if(mTreeOwner)
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return mTreeOwner->GetPrimaryContentShell(aShell);
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*aShell = (mPrimaryContentShell ? mPrimaryContentShell : mWebBrowser->mDocShellAsItem.get());
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NS_IF_ADDREF(*aShell);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDocShellTreeOwner::SizeShellTo(nsIDocShellTreeItem* aShellItem,
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PRInt32 aCX, PRInt32 aCY)
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{
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nsCOMPtr<nsIWebBrowserChrome> webBrowserChrome = GetWebBrowserChrome();
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NS_ENSURE_STATE(mTreeOwner || webBrowserChrome);
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if(mTreeOwner)
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return mTreeOwner->SizeShellTo(aShellItem, aCX, aCY);
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if(aShellItem == mWebBrowser->mDocShellAsItem)
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return webBrowserChrome->SizeBrowserTo(aCX, aCY);
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nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(aShellItem));
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NS_ENSURE_TRUE(webNav, NS_ERROR_FAILURE);
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nsCOMPtr<nsIDOMDocument> domDocument;
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webNav->GetDocument(getter_AddRefs(domDocument));
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NS_ENSURE_TRUE(domDocument, NS_ERROR_FAILURE);
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nsCOMPtr<nsIDOMElement> domElement;
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domDocument->GetDocumentElement(getter_AddRefs(domElement));
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NS_ENSURE_TRUE(domElement, NS_ERROR_FAILURE);
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// Set the preferred Size
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//XXX
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NS_ERROR("Implement this");
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/*
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Set the preferred size on the aShellItem.
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*/
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nsCOMPtr<nsPresContext> presContext;
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mWebBrowser->mDocShell->GetPresContext(getter_AddRefs(presContext));
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NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
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nsIPresShell *presShell = presContext->GetPresShell();
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NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
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NS_ENSURE_SUCCESS(presShell->ResizeReflow(NS_UNCONSTRAINEDSIZE,
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NS_UNCONSTRAINEDSIZE), NS_ERROR_FAILURE);
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nsRect shellArea = presContext->GetVisibleArea();
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float pixelScale;
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pixelScale = presContext->TwipsToPixels();
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PRInt32 browserCX = PRInt32((float)shellArea.width*pixelScale);
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PRInt32 browserCY = PRInt32((float)shellArea.height*pixelScale);
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return webBrowserChrome->SizeBrowserTo(browserCX, browserCY);
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}
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NS_IMETHODIMP
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nsDocShellTreeOwner::SetPersistence(PRBool aPersistPosition,
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PRBool aPersistSize,
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PRBool aPersistSizeMode)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsDocShellTreeOwner::GetPersistence(PRBool* aPersistPosition,
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PRBool* aPersistSize,
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PRBool* aPersistSizeMode)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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//*****************************************************************************
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// nsDocShellTreeOwner::nsIBaseWindow
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//*****************************************************************************
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NS_IMETHODIMP
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nsDocShellTreeOwner::InitWindow(nativeWindow aParentNativeWindow,
|
|
nsIWidget* aParentWidget, PRInt32 aX,
|
|
PRInt32 aY, PRInt32 aCX, PRInt32 aCY)
|
|
{
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::Create()
|
|
{
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::Destroy()
|
|
{
|
|
nsCOMPtr<nsIWebBrowserChrome> webBrowserChrome = GetWebBrowserChrome();
|
|
if (webBrowserChrome)
|
|
{
|
|
return webBrowserChrome->DestroyBrowserWindow();
|
|
}
|
|
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetPosition(PRInt32 aX, PRInt32 aY)
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->SetDimensions(nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION,
|
|
aX, aY, 0, 0);
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::GetPosition(PRInt32* aX, PRInt32* aY)
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->GetDimensions(nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION,
|
|
aX, aY, nsnull, nsnull);
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetSize(PRInt32 aCX, PRInt32 aCY, PRBool aRepaint)
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->SetDimensions(nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER,
|
|
0, 0, aCX, aCY);
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::GetSize(PRInt32* aCX, PRInt32* aCY)
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->GetDimensions(nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER,
|
|
nsnull, nsnull, aCX, aCY);
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetPositionAndSize(PRInt32 aX, PRInt32 aY, PRInt32 aCX,
|
|
PRInt32 aCY, PRBool aRepaint)
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->SetDimensions(nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER |
|
|
nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION,
|
|
aX, aY, aCX, aCY);
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::GetPositionAndSize(PRInt32* aX, PRInt32* aY, PRInt32* aCX,
|
|
PRInt32* aCY)
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->GetDimensions(nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER |
|
|
nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION,
|
|
aX, aY, aCX, aCY);
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::Repaint(PRBool aForce)
|
|
{
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::GetParentWidget(nsIWidget** aParentWidget)
|
|
{
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetParentWidget(nsIWidget* aParentWidget)
|
|
{
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::GetParentNativeWindow(nativeWindow* aParentNativeWindow)
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->GetSiteWindow(aParentNativeWindow);
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetParentNativeWindow(nativeWindow aParentNativeWindow)
|
|
{
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::GetVisibility(PRBool* aVisibility)
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->GetVisibility(aVisibility);
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetVisibility(PRBool aVisibility)
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->SetVisibility(aVisibility);
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::GetEnabled(PRBool *aEnabled)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aEnabled);
|
|
*aEnabled = PR_TRUE;
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetEnabled(PRBool aEnabled)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::GetBlurSuppression(PRBool *aBlurSuppression)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aBlurSuppression);
|
|
*aBlurSuppression = PR_FALSE;
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetBlurSuppression(PRBool aBlurSuppression)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::GetMainWidget(nsIWidget** aMainWidget)
|
|
{
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetFocus()
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->SetFocus();
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::GetTitle(PRUnichar** aTitle)
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->GetTitle(aTitle);
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetTitle(const PRUnichar* aTitle)
|
|
{
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin = GetOwnerWin();
|
|
if (ownerWin)
|
|
{
|
|
return ownerWin->SetTitle(aTitle);
|
|
}
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
|
|
//*****************************************************************************
|
|
// nsDocShellTreeOwner::nsIWebProgressListener
|
|
//*****************************************************************************
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::OnProgressChange(nsIWebProgress* aProgress,
|
|
nsIRequest* aRequest,
|
|
PRInt32 aCurSelfProgress,
|
|
PRInt32 aMaxSelfProgress,
|
|
PRInt32 aCurTotalProgress,
|
|
PRInt32 aMaxTotalProgress)
|
|
{
|
|
// In the absence of DOM document creation event, this method is the
|
|
// most convenient place to install the mouse listener on the
|
|
// DOM document.
|
|
return AddChromeListeners();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::OnStateChange(nsIWebProgress* aProgress,
|
|
nsIRequest* aRequest,
|
|
PRUint32 aProgressStateFlags,
|
|
nsresult aStatus)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::OnLocationChange(nsIWebProgress* aWebProgress,
|
|
nsIRequest* aRequest,
|
|
nsIURI* aURI)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::OnStatusChange(nsIWebProgress* aWebProgress,
|
|
nsIRequest* aRequest,
|
|
nsresult aStatus,
|
|
const PRUnichar* aMessage)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::OnSecurityChange(nsIWebProgress *aWebProgress,
|
|
nsIRequest *aRequest,
|
|
PRUint32 state)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//*****************************************************************************
|
|
// nsDocShellTreeOwner: Helpers
|
|
//*****************************************************************************
|
|
|
|
//*****************************************************************************
|
|
// nsDocShellTreeOwner: Accessors
|
|
//*****************************************************************************
|
|
|
|
void
|
|
nsDocShellTreeOwner::WebBrowser(nsWebBrowser* aWebBrowser)
|
|
{
|
|
if ( !aWebBrowser )
|
|
RemoveChromeListeners();
|
|
if (aWebBrowser != mWebBrowser) {
|
|
mPrompter = 0;
|
|
mAuthPrompter = 0;
|
|
}
|
|
|
|
mWebBrowser = aWebBrowser;
|
|
}
|
|
|
|
nsWebBrowser *
|
|
nsDocShellTreeOwner::WebBrowser()
|
|
{
|
|
return mWebBrowser;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetTreeOwner(nsIDocShellTreeOwner* aTreeOwner)
|
|
{
|
|
if(aTreeOwner) {
|
|
nsCOMPtr<nsIWebBrowserChrome> webBrowserChrome(do_GetInterface(aTreeOwner));
|
|
NS_ENSURE_TRUE(webBrowserChrome, NS_ERROR_INVALID_ARG);
|
|
NS_ENSURE_SUCCESS(SetWebBrowserChrome(webBrowserChrome), NS_ERROR_INVALID_ARG);
|
|
mTreeOwner = aTreeOwner;
|
|
}
|
|
else {
|
|
mTreeOwner = nsnull;
|
|
nsCOMPtr<nsIWebBrowserChrome> webBrowserChrome = GetWebBrowserChrome();
|
|
if (!webBrowserChrome)
|
|
NS_ENSURE_SUCCESS(SetWebBrowserChrome(nsnull), NS_ERROR_FAILURE);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::SetWebBrowserChrome(nsIWebBrowserChrome* aWebBrowserChrome)
|
|
{
|
|
if(!aWebBrowserChrome) {
|
|
mWebBrowserChrome = nsnull;
|
|
mOwnerWin = nsnull;
|
|
mOwnerRequestor = nsnull;
|
|
mWebBrowserChromeWeak = 0;
|
|
} else {
|
|
nsCOMPtr<nsISupportsWeakReference> supportsweak =
|
|
do_QueryInterface(aWebBrowserChrome);
|
|
if (supportsweak) {
|
|
supportsweak->GetWeakReference(getter_AddRefs(mWebBrowserChromeWeak));
|
|
} else {
|
|
nsCOMPtr<nsIEmbeddingSiteWindow> ownerWin(do_QueryInterface(aWebBrowserChrome));
|
|
nsCOMPtr<nsIInterfaceRequestor> requestor(do_QueryInterface(aWebBrowserChrome));
|
|
|
|
// it's ok for ownerWin or requestor to be null.
|
|
mWebBrowserChrome = aWebBrowserChrome;
|
|
mOwnerWin = ownerWin;
|
|
mOwnerRequestor = requestor;
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//
|
|
// AddChromeListeners
|
|
//
|
|
// Hook up things to the chrome like context menus and tooltips, if the chrome
|
|
// has implemented the right interfaces.
|
|
//
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::AddChromeListeners()
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
nsCOMPtr<nsIWebBrowserChrome> webBrowserChrome = GetWebBrowserChrome();
|
|
if (!webBrowserChrome)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// install tooltips
|
|
if ( !mChromeTooltipListener ) {
|
|
nsCOMPtr<nsITooltipListener>
|
|
tooltipListener(do_QueryInterface(webBrowserChrome));
|
|
if ( tooltipListener ) {
|
|
mChromeTooltipListener = new ChromeTooltipListener(mWebBrowser,
|
|
webBrowserChrome);
|
|
if ( mChromeTooltipListener ) {
|
|
NS_ADDREF(mChromeTooltipListener);
|
|
rv = mChromeTooltipListener->AddChromeListeners();
|
|
}
|
|
else
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
|
|
// install context menus
|
|
if ( !mChromeContextMenuListener ) {
|
|
nsCOMPtr<nsIContextMenuListener2>
|
|
contextListener2(do_QueryInterface(webBrowserChrome));
|
|
nsCOMPtr<nsIContextMenuListener>
|
|
contextListener(do_QueryInterface(webBrowserChrome));
|
|
if ( contextListener2 || contextListener ) {
|
|
mChromeContextMenuListener =
|
|
new ChromeContextMenuListener(mWebBrowser, webBrowserChrome);
|
|
if ( mChromeContextMenuListener ) {
|
|
NS_ADDREF(mChromeContextMenuListener);
|
|
rv = mChromeContextMenuListener->AddChromeListeners();
|
|
}
|
|
else
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
|
|
// install the external dragDrop handler
|
|
if ( !mChromeDragHandler ) {
|
|
mChromeDragHandler = do_CreateInstance("@mozilla.org:/content/content-area-dragdrop;1", &rv);
|
|
NS_ASSERTION(mChromeDragHandler, "Couldn't create the chrome drag handler");
|
|
if ( mChromeDragHandler ) {
|
|
nsCOMPtr<nsIDOMEventReceiver> rcvr;
|
|
GetEventReceiver(mWebBrowser, getter_AddRefs(rcvr));
|
|
nsCOMPtr<nsIDOMEventTarget> rcvrTarget(do_QueryInterface(rcvr));
|
|
mChromeDragHandler->HookupTo(rcvrTarget, NS_STATIC_CAST(nsIWebNavigation*, mWebBrowser));
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
|
|
} // AddChromeListeners
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDocShellTreeOwner::RemoveChromeListeners()
|
|
{
|
|
if ( mChromeTooltipListener ) {
|
|
mChromeTooltipListener->RemoveChromeListeners();
|
|
NS_RELEASE(mChromeTooltipListener);
|
|
}
|
|
if ( mChromeContextMenuListener ) {
|
|
mChromeContextMenuListener->RemoveChromeListeners();
|
|
NS_RELEASE(mChromeContextMenuListener);
|
|
}
|
|
if ( mChromeDragHandler )
|
|
mChromeDragHandler->Detach();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
already_AddRefed<nsIWebBrowserChrome>
|
|
nsDocShellTreeOwner::GetWebBrowserChrome()
|
|
{
|
|
nsIWebBrowserChrome* chrome = nsnull;
|
|
if (mWebBrowserChromeWeak != nsnull) {
|
|
mWebBrowserChromeWeak->
|
|
QueryReferent(NS_GET_IID(nsIWebBrowserChrome),
|
|
NS_REINTERPRET_CAST(void**, &chrome));
|
|
} else if (mWebBrowserChrome) {
|
|
chrome = mWebBrowserChrome;
|
|
NS_ADDREF(mWebBrowserChrome);
|
|
}
|
|
|
|
return chrome;
|
|
}
|
|
|
|
already_AddRefed<nsIEmbeddingSiteWindow>
|
|
nsDocShellTreeOwner::GetOwnerWin()
|
|
{
|
|
nsIEmbeddingSiteWindow* win = nsnull;
|
|
if (mWebBrowserChromeWeak != nsnull) {
|
|
mWebBrowserChromeWeak->
|
|
QueryReferent(NS_GET_IID(nsIEmbeddingSiteWindow),
|
|
NS_REINTERPRET_CAST(void**, &win));
|
|
} else if (mOwnerWin) {
|
|
win = mOwnerWin;
|
|
NS_ADDREF(mOwnerWin);
|
|
}
|
|
|
|
return win;
|
|
}
|
|
|
|
already_AddRefed<nsIInterfaceRequestor>
|
|
nsDocShellTreeOwner::GetOwnerRequestor()
|
|
{
|
|
nsIInterfaceRequestor* req = nsnull;
|
|
if (mWebBrowserChromeWeak != nsnull) {
|
|
mWebBrowserChromeWeak->
|
|
QueryReferent(NS_GET_IID(nsIInterfaceRequestor),
|
|
NS_REINTERPRET_CAST(void**, &req));
|
|
} else if (mOwnerRequestor) {
|
|
req = mOwnerRequestor;
|
|
NS_ADDREF(mOwnerRequestor);
|
|
}
|
|
|
|
return req;
|
|
}
|
|
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// DefaultTooltipTextProvider
|
|
|
|
class DefaultTooltipTextProvider : public nsITooltipTextProvider
|
|
{
|
|
public:
|
|
DefaultTooltipTextProvider();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSITOOLTIPTEXTPROVIDER
|
|
|
|
protected:
|
|
nsCOMPtr<nsIAtom> mTag_dialog;
|
|
nsCOMPtr<nsIAtom> mTag_dialogheader;
|
|
nsCOMPtr<nsIAtom> mTag_window;
|
|
};
|
|
|
|
NS_IMPL_THREADSAFE_ISUPPORTS1(DefaultTooltipTextProvider, nsITooltipTextProvider)
|
|
|
|
DefaultTooltipTextProvider::DefaultTooltipTextProvider()
|
|
{
|
|
// There are certain element types which we don't want to use
|
|
// as tool tip text.
|
|
mTag_dialog = do_GetAtom("dialog");
|
|
mTag_dialogheader = do_GetAtom("dialogheader");
|
|
mTag_window = do_GetAtom("window");
|
|
}
|
|
|
|
/* void getNodeText (in nsIDOMNode aNode, out wstring aText); */
|
|
NS_IMETHODIMP
|
|
DefaultTooltipTextProvider::GetNodeText(nsIDOMNode *aNode, PRUnichar **aText,
|
|
PRBool *_retval)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aNode);
|
|
NS_ENSURE_ARG_POINTER(aText);
|
|
|
|
nsString outText;
|
|
|
|
PRBool found = PR_FALSE;
|
|
nsCOMPtr<nsIDOMNode> current ( aNode );
|
|
while ( !found && current ) {
|
|
nsCOMPtr<nsIDOMElement> currElement ( do_QueryInterface(current) );
|
|
if ( currElement ) {
|
|
nsCOMPtr<nsIContent> content(do_QueryInterface(currElement));
|
|
if (content) {
|
|
nsIAtom *tagAtom = content->Tag();
|
|
if (tagAtom != mTag_dialog &&
|
|
tagAtom != mTag_dialogheader &&
|
|
tagAtom != mTag_window) {
|
|
// first try the normal title attribute...
|
|
currElement->GetAttribute(NS_LITERAL_STRING("title"), outText);
|
|
if ( outText.Length() )
|
|
found = PR_TRUE;
|
|
else {
|
|
// ...ok, that didn't work, try it in the XLink namespace
|
|
currElement->GetAttributeNS(NS_LITERAL_STRING("http://www.w3.org/1999/xlink"), NS_LITERAL_STRING("title"), outText);
|
|
if ( outText.Length() )
|
|
found = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// not found here, walk up to the parent and keep trying
|
|
if ( !found ) {
|
|
nsCOMPtr<nsIDOMNode> temp ( current );
|
|
temp->GetParentNode(getter_AddRefs(current));
|
|
}
|
|
} // while not found
|
|
|
|
*_retval = found;
|
|
*aText = (found) ? ToNewUnicode(outText) : nsnull;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
NS_IMPL_ADDREF(ChromeTooltipListener)
|
|
NS_IMPL_RELEASE(ChromeTooltipListener)
|
|
|
|
NS_INTERFACE_MAP_BEGIN(ChromeTooltipListener)
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMMouseListener)
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMEventListener, nsIDOMMouseListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMMouseListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMMouseMotionListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMKeyListener)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
|
|
//
|
|
// ChromeTooltipListener ctor
|
|
//
|
|
|
|
ChromeTooltipListener::ChromeTooltipListener(nsWebBrowser* inBrowser,
|
|
nsIWebBrowserChrome* inChrome)
|
|
: mWebBrowser(inBrowser), mWebBrowserChrome(inChrome),
|
|
mTooltipListenerInstalled(PR_FALSE),
|
|
mMouseClientX(0), mMouseClientY(0),
|
|
mShowingTooltip(PR_FALSE)
|
|
{
|
|
mTooltipTextProvider = do_GetService(NS_TOOLTIPTEXTPROVIDER_CONTRACTID);
|
|
if (!mTooltipTextProvider) {
|
|
nsISupports *pProvider = (nsISupports *) new DefaultTooltipTextProvider;
|
|
mTooltipTextProvider = do_QueryInterface(pProvider);
|
|
}
|
|
} // ctor
|
|
|
|
|
|
//
|
|
// ChromeTooltipListener dtor
|
|
//
|
|
ChromeTooltipListener::~ChromeTooltipListener()
|
|
{
|
|
|
|
} // dtor
|
|
|
|
|
|
//
|
|
// AddChromeListeners
|
|
//
|
|
// Hook up things to the chrome like context menus and tooltips, if the chrome
|
|
// has implemented the right interfaces.
|
|
//
|
|
NS_IMETHODIMP
|
|
ChromeTooltipListener::AddChromeListeners()
|
|
{
|
|
if ( !mEventReceiver )
|
|
GetEventReceiver(mWebBrowser, getter_AddRefs(mEventReceiver));
|
|
|
|
// Register the appropriate events for tooltips, but only if
|
|
// the embedding chrome cares.
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsITooltipListener> tooltipListener ( do_QueryInterface(mWebBrowserChrome) );
|
|
if ( tooltipListener && !mTooltipListenerInstalled ) {
|
|
rv = AddTooltipListener();
|
|
if ( NS_FAILED(rv) )
|
|
return rv;
|
|
}
|
|
|
|
return rv;
|
|
|
|
} // AddChromeListeners
|
|
|
|
|
|
//
|
|
// AddTooltipListener
|
|
//
|
|
// Subscribe to the events that will allow us to track tooltips. We need "mouse" for mouseExit,
|
|
// "mouse motion" for mouseMove, and "key" for keyDown. As we add the listeners, keep track
|
|
// of how many succeed so we can clean up correctly in Release().
|
|
//
|
|
NS_IMETHODIMP
|
|
ChromeTooltipListener::AddTooltipListener()
|
|
{
|
|
if (mEventReceiver) {
|
|
nsIDOMMouseListener *pListener = NS_STATIC_CAST(nsIDOMMouseListener *, this);
|
|
nsresult rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseListener));
|
|
nsresult rv2 = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseMotionListener));
|
|
nsresult rv3 = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMKeyListener));
|
|
|
|
// if all 3 succeed, we're a go!
|
|
if (NS_SUCCEEDED(rv) && NS_SUCCEEDED(rv2) && NS_SUCCEEDED(rv3))
|
|
mTooltipListenerInstalled = PR_TRUE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//
|
|
// RemoveChromeListeners
|
|
//
|
|
// Unsubscribe from the various things we've hooked up to the window root.
|
|
//
|
|
NS_IMETHODIMP
|
|
ChromeTooltipListener::RemoveChromeListeners ( )
|
|
{
|
|
HideTooltip();
|
|
|
|
if ( mTooltipListenerInstalled )
|
|
RemoveTooltipListener();
|
|
|
|
mEventReceiver = nsnull;
|
|
|
|
// it really doesn't matter if these fail...
|
|
return NS_OK;
|
|
|
|
} // RemoveChromeTooltipListeners
|
|
|
|
|
|
|
|
//
|
|
// RemoveTooltipListener
|
|
//
|
|
// Unsubscribe from all the various tooltip events that we were listening to
|
|
//
|
|
NS_IMETHODIMP
|
|
ChromeTooltipListener::RemoveTooltipListener()
|
|
{
|
|
if (mEventReceiver) {
|
|
nsIDOMMouseListener *pListener = NS_STATIC_CAST(nsIDOMMouseListener *, this);
|
|
nsresult rv = mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseListener));
|
|
nsresult rv2 = mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseMotionListener));
|
|
nsresult rv3 = mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMKeyListener));
|
|
if (NS_SUCCEEDED(rv) && NS_SUCCEEDED(rv2) && NS_SUCCEEDED(rv3))
|
|
mTooltipListenerInstalled = PR_FALSE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//
|
|
// KeyDown
|
|
//
|
|
// When the user starts typing, they generaly don't want to see any messy wax
|
|
// builup. Hide the tooltip.
|
|
//
|
|
nsresult
|
|
ChromeTooltipListener::KeyDown(nsIDOMEvent* aMouseEvent)
|
|
{
|
|
return HideTooltip();
|
|
} // KeyDown
|
|
|
|
|
|
//
|
|
// KeyUp
|
|
// KeyPress
|
|
//
|
|
// We can ignore these as they are already handled by KeyDown
|
|
//
|
|
nsresult
|
|
ChromeTooltipListener::KeyUp(nsIDOMEvent* aMouseEvent)
|
|
{
|
|
return NS_OK;
|
|
|
|
} // KeyUp
|
|
|
|
nsresult
|
|
ChromeTooltipListener::KeyPress(nsIDOMEvent* aMouseEvent)
|
|
{
|
|
return NS_OK;
|
|
|
|
} // KeyPress
|
|
|
|
|
|
//
|
|
// MouseDown
|
|
//
|
|
// On a click, hide the tooltip
|
|
//
|
|
nsresult
|
|
ChromeTooltipListener::MouseDown(nsIDOMEvent* aMouseEvent)
|
|
{
|
|
return HideTooltip();
|
|
|
|
} // MouseDown
|
|
|
|
|
|
nsresult
|
|
ChromeTooltipListener::MouseUp(nsIDOMEvent* aMouseEvent)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
ChromeTooltipListener::MouseClick(nsIDOMEvent* aMouseEvent)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
ChromeTooltipListener::MouseDblClick(nsIDOMEvent* aMouseEvent)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
ChromeTooltipListener::MouseOver(nsIDOMEvent* aMouseEvent)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//
|
|
// MouseOut
|
|
//
|
|
// If we're responding to tooltips, hide the tip whenever the mouse leaves
|
|
// the area it was in.
|
|
nsresult
|
|
ChromeTooltipListener::MouseOut(nsIDOMEvent* aMouseEvent)
|
|
{
|
|
return HideTooltip();
|
|
}
|
|
|
|
|
|
//
|
|
// MouseMove
|
|
//
|
|
// If we're a tooltip, fire off a timer to see if a tooltip should be shown. If the
|
|
// timer fires, we cache the node in |mPossibleTooltipNode|.
|
|
//
|
|
nsresult
|
|
ChromeTooltipListener::MouseMove(nsIDOMEvent* aMouseEvent)
|
|
{
|
|
nsCOMPtr<nsIDOMMouseEvent> mouseEvent ( do_QueryInterface(aMouseEvent) );
|
|
if (!mouseEvent)
|
|
return NS_OK;
|
|
|
|
// stash the coordinates of the event so that we can still get back to it from within the
|
|
// timer callback. On win32, we'll get a MouseMove event even when a popup goes away --
|
|
// even when the mouse doesn't change position! To get around this, we make sure the
|
|
// mouse has really moved before proceeding.
|
|
PRInt32 newMouseX, newMouseY;
|
|
mouseEvent->GetClientX(&newMouseX);
|
|
mouseEvent->GetClientY(&newMouseY);
|
|
if ( mMouseClientX == newMouseX && mMouseClientY == newMouseY )
|
|
return NS_OK;
|
|
mMouseClientX = newMouseX; mMouseClientY = newMouseY;
|
|
|
|
// We want to close the tip if it is being displayed and the mouse moves. Recall
|
|
// that |mShowingTooltip| is set when the popup is showing. Furthermore, as the mouse
|
|
// moves, we want to make sure we reset the timer to show it, so that the delay
|
|
// is from when the mouse stops moving, not when it enters the element.
|
|
if ( mShowingTooltip )
|
|
return HideTooltip();
|
|
if ( mTooltipTimer )
|
|
mTooltipTimer->Cancel();
|
|
|
|
mTooltipTimer = do_CreateInstance("@mozilla.org/timer;1");
|
|
if ( mTooltipTimer ) {
|
|
nsCOMPtr<nsIDOMEventTarget> eventTarget;
|
|
aMouseEvent->GetTarget(getter_AddRefs(eventTarget));
|
|
if ( eventTarget )
|
|
mPossibleTooltipNode = do_QueryInterface(eventTarget);
|
|
if ( mPossibleTooltipNode ) {
|
|
nsresult rv = mTooltipTimer->InitWithFuncCallback(sTooltipCallback, this, kTooltipShowTime,
|
|
nsITimer::TYPE_ONE_SHOT);
|
|
if (NS_FAILED(rv))
|
|
mPossibleTooltipNode = nsnull;
|
|
}
|
|
}
|
|
else
|
|
NS_WARNING ( "Could not create a timer for tooltip tracking" );
|
|
|
|
return NS_OK;
|
|
|
|
} // MouseMove
|
|
|
|
|
|
//
|
|
// ShowTooltip
|
|
//
|
|
// Tell the registered chrome that they should show the tooltip
|
|
//
|
|
NS_IMETHODIMP
|
|
ChromeTooltipListener::ShowTooltip(PRInt32 inXCoords, PRInt32 inYCoords,
|
|
const nsAString & inTipText)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
// do the work to call the client
|
|
nsCOMPtr<nsITooltipListener> tooltipListener ( do_QueryInterface(mWebBrowserChrome) );
|
|
if ( tooltipListener ) {
|
|
rv = tooltipListener->OnShowTooltip ( inXCoords, inYCoords, PromiseFlatString(inTipText).get() );
|
|
if ( NS_SUCCEEDED(rv) )
|
|
mShowingTooltip = PR_TRUE;
|
|
}
|
|
|
|
return rv;
|
|
|
|
} // ShowTooltip
|
|
|
|
|
|
//
|
|
// HideTooltip
|
|
//
|
|
// Tell the registered chrome that they should rollup the tooltip
|
|
// NOTE: This routine is safe to call even if the popup is already closed.
|
|
//
|
|
NS_IMETHODIMP
|
|
ChromeTooltipListener::HideTooltip()
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
// shut down the relevant timers
|
|
if ( mTooltipTimer ) {
|
|
mTooltipTimer->Cancel();
|
|
mTooltipTimer = nsnull;
|
|
// release tooltip target
|
|
mPossibleTooltipNode = nsnull;
|
|
}
|
|
if ( mAutoHideTimer ) {
|
|
mAutoHideTimer->Cancel();
|
|
mAutoHideTimer = nsnull;
|
|
}
|
|
|
|
// if we're showing the tip, tell the chrome to hide it
|
|
if ( mShowingTooltip ) {
|
|
nsCOMPtr<nsITooltipListener> tooltipListener ( do_QueryInterface(mWebBrowserChrome) );
|
|
if ( tooltipListener ) {
|
|
rv = tooltipListener->OnHideTooltip ( );
|
|
if ( NS_SUCCEEDED(rv) )
|
|
mShowingTooltip = PR_FALSE;
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
|
|
} // HideTooltip
|
|
|
|
|
|
//
|
|
// sTooltipCallback
|
|
//
|
|
// A timer callback, fired when the mouse has hovered inside of a frame for the
|
|
// appropriate amount of time. Getting to this point means that we should show the
|
|
// tooltip, but only after we determine there is an appropriate TITLE element.
|
|
//
|
|
// This relies on certain things being cached into the |aChromeTooltipListener| object passed to
|
|
// us by the timer:
|
|
// -- the x/y coordinates of the mouse (mMouseClientY, mMouseClientX)
|
|
// -- the dom node the user hovered over (mPossibleTooltipNode)
|
|
//
|
|
void
|
|
ChromeTooltipListener::sTooltipCallback(nsITimer *aTimer,
|
|
void *aChromeTooltipListener)
|
|
{
|
|
ChromeTooltipListener* self = NS_STATIC_CAST(ChromeTooltipListener*, aChromeTooltipListener);
|
|
if ( self && self->mPossibleTooltipNode ) {
|
|
|
|
// if there is text associated with the node, show the tip and fire
|
|
// off a timer to auto-hide it.
|
|
|
|
nsXPIDLString tooltipText;
|
|
if (self->mTooltipTextProvider) {
|
|
PRBool textFound = PR_FALSE;
|
|
|
|
self->mTooltipTextProvider->GetNodeText(
|
|
self->mPossibleTooltipNode, getter_Copies(tooltipText), &textFound);
|
|
|
|
if (textFound) {
|
|
nsString tipText(tooltipText);
|
|
self->CreateAutoHideTimer ( );
|
|
self->ShowTooltip (self->mMouseClientX, self->mMouseClientY, tipText);
|
|
}
|
|
}
|
|
|
|
// release tooltip target if there is one, NO MATTER WHAT
|
|
self->mPossibleTooltipNode = nsnull;
|
|
} // if "self" data valid
|
|
|
|
} // sTooltipCallback
|
|
|
|
|
|
//
|
|
// CreateAutoHideTimer
|
|
//
|
|
// Create a new timer to see if we should auto-hide. It's ok if this fails.
|
|
//
|
|
void
|
|
ChromeTooltipListener::CreateAutoHideTimer()
|
|
{
|
|
// just to be anal (er, safe)
|
|
if ( mAutoHideTimer ) {
|
|
mAutoHideTimer->Cancel();
|
|
mAutoHideTimer = nsnull;
|
|
}
|
|
|
|
mAutoHideTimer = do_CreateInstance("@mozilla.org/timer;1");
|
|
if ( mAutoHideTimer )
|
|
mAutoHideTimer->InitWithFuncCallback(sAutoHideCallback, this, kTooltipAutoHideTime,
|
|
nsITimer::TYPE_ONE_SHOT);
|
|
|
|
} // CreateAutoHideTimer
|
|
|
|
|
|
//
|
|
// sAutoHideCallback
|
|
//
|
|
// This fires after a tooltip has been open for a certain length of time. Just tell
|
|
// the listener to close the popup. We don't have to worry, because HideTooltip() can
|
|
// be called multiple times, even if the tip has already been closed.
|
|
//
|
|
void
|
|
ChromeTooltipListener::sAutoHideCallback(nsITimer *aTimer, void* aListener)
|
|
{
|
|
ChromeTooltipListener* self = NS_STATIC_CAST(ChromeTooltipListener*, aListener);
|
|
if ( self )
|
|
self->HideTooltip();
|
|
|
|
// NOTE: |aTimer| and |self->mAutoHideTimer| are invalid after calling ClosePopup();
|
|
|
|
} // sAutoHideCallback
|
|
|
|
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
|
|
NS_IMPL_ADDREF(ChromeContextMenuListener)
|
|
NS_IMPL_RELEASE(ChromeContextMenuListener)
|
|
|
|
NS_INTERFACE_MAP_BEGIN(ChromeContextMenuListener)
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMContextMenuListener)
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMEventListener, nsIDOMContextMenuListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMContextMenuListener)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
|
|
//
|
|
// ChromeTooltipListener ctor
|
|
//
|
|
ChromeContextMenuListener::ChromeContextMenuListener(nsWebBrowser* inBrowser, nsIWebBrowserChrome* inChrome )
|
|
: mContextMenuListenerInstalled(PR_FALSE),
|
|
mWebBrowser(inBrowser),
|
|
mWebBrowserChrome(inChrome)
|
|
{
|
|
} // ctor
|
|
|
|
|
|
//
|
|
// ChromeTooltipListener dtor
|
|
//
|
|
ChromeContextMenuListener::~ChromeContextMenuListener()
|
|
{
|
|
} // dtor
|
|
|
|
|
|
//
|
|
// AddContextMenuListener
|
|
//
|
|
// Subscribe to the events that will allow us to track context menus. Bascially, this
|
|
// is just the context-menu DOM event.
|
|
//
|
|
NS_IMETHODIMP
|
|
ChromeContextMenuListener::AddContextMenuListener()
|
|
{
|
|
if (mEventReceiver) {
|
|
nsIDOMContextMenuListener *pListener = NS_STATIC_CAST(nsIDOMContextMenuListener *, this);
|
|
nsresult rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMContextMenuListener));
|
|
if (NS_SUCCEEDED(rv))
|
|
mContextMenuListenerInstalled = PR_TRUE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//
|
|
// RemoveContextMenuListener
|
|
//
|
|
// Unsubscribe from all the various context menu events that we were listening to.
|
|
//
|
|
NS_IMETHODIMP
|
|
ChromeContextMenuListener::RemoveContextMenuListener()
|
|
{
|
|
if (mEventReceiver) {
|
|
nsIDOMContextMenuListener *pListener = NS_STATIC_CAST(nsIDOMContextMenuListener *, this);
|
|
nsresult rv = mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMContextMenuListener));
|
|
if (NS_SUCCEEDED(rv))
|
|
mContextMenuListenerInstalled = PR_FALSE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//
|
|
// AddChromeListeners
|
|
//
|
|
// Hook up things to the chrome like context menus and tooltips, if the chrome
|
|
// has implemented the right interfaces.
|
|
//
|
|
NS_IMETHODIMP
|
|
ChromeContextMenuListener::AddChromeListeners()
|
|
{
|
|
if ( !mEventReceiver )
|
|
GetEventReceiver(mWebBrowser, getter_AddRefs(mEventReceiver));
|
|
|
|
// Register the appropriate events for context menus, but only if
|
|
// the embedding chrome cares.
|
|
nsresult rv = NS_OK;
|
|
|
|
nsCOMPtr<nsIContextMenuListener2> contextListener2 ( do_QueryInterface(mWebBrowserChrome) );
|
|
nsCOMPtr<nsIContextMenuListener> contextListener ( do_QueryInterface(mWebBrowserChrome) );
|
|
if ( (contextListener || contextListener2) && !mContextMenuListenerInstalled )
|
|
rv = AddContextMenuListener();
|
|
|
|
return rv;
|
|
|
|
} // AddChromeListeners
|
|
|
|
|
|
//
|
|
// RemoveChromeListeners
|
|
//
|
|
// Unsubscribe from the various things we've hooked up to the window root.
|
|
//
|
|
NS_IMETHODIMP
|
|
ChromeContextMenuListener::RemoveChromeListeners()
|
|
{
|
|
if ( mContextMenuListenerInstalled )
|
|
RemoveContextMenuListener();
|
|
|
|
mEventReceiver = nsnull;
|
|
|
|
// it really doesn't matter if these fail...
|
|
return NS_OK;
|
|
|
|
} // RemoveChromeTooltipListeners
|
|
|
|
|
|
|
|
//
|
|
// ContextMenu
|
|
//
|
|
// We're on call to show the context menu. Dig around in the DOM to
|
|
// find the type of object we're dealing with and notify the front
|
|
// end chrome.
|
|
//
|
|
NS_IMETHODIMP
|
|
ChromeContextMenuListener::ContextMenu(nsIDOMEvent* aMouseEvent)
|
|
{
|
|
nsCOMPtr<nsIDOMNSUIEvent> uievent(do_QueryInterface(aMouseEvent));
|
|
|
|
if (uievent) {
|
|
PRBool isDefaultPrevented = PR_FALSE;
|
|
uievent->GetPreventDefault(&isDefaultPrevented);
|
|
|
|
if (isDefaultPrevented) {
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMEventTarget> targetNode;
|
|
nsresult res = aMouseEvent->GetTarget(getter_AddRefs(targetNode));
|
|
if (NS_FAILED(res))
|
|
return res;
|
|
if (!targetNode)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMNode> targetDOMnode;
|
|
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(targetNode);
|
|
if (!node)
|
|
return NS_OK;
|
|
|
|
// Stop the context menu event going to other windows (bug 78396)
|
|
aMouseEvent->PreventDefault();
|
|
|
|
// If the listener is a nsIContextMenuListener2, create the info object
|
|
nsCOMPtr<nsIContextMenuListener2> menuListener2(do_QueryInterface(mWebBrowserChrome));
|
|
nsContextMenuInfo *menuInfoImpl = nsnull;
|
|
nsCOMPtr<nsIContextMenuInfo> menuInfo;
|
|
if (menuListener2) {
|
|
menuInfoImpl = new nsContextMenuInfo;
|
|
if (!menuInfoImpl)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
menuInfo = menuInfoImpl;
|
|
}
|
|
|
|
// Find the first node to be an element starting with this node and
|
|
// working up through its parents.
|
|
|
|
PRUint32 flags = nsIContextMenuListener::CONTEXT_NONE;
|
|
PRUint32 flags2 = nsIContextMenuListener2::CONTEXT_NONE;
|
|
nsCOMPtr<nsIContent> content;
|
|
do {
|
|
// XXX test for selected text
|
|
content = do_QueryInterface(node);
|
|
if (content && content->IsContentOfType(nsIContent::eHTML)) {
|
|
const char *tagStr;
|
|
content->Tag()->GetUTF8String(&tagStr);
|
|
|
|
// Test what kind of element we're dealing with here
|
|
if (strcmp(tagStr, "img") == 0)
|
|
{
|
|
flags |= nsIContextMenuListener::CONTEXT_IMAGE;
|
|
flags2 |= nsIContextMenuListener2::CONTEXT_IMAGE;
|
|
targetDOMnode = node;
|
|
// if we see an image, keep searching for a possible anchor
|
|
}
|
|
else if (strcmp(tagStr, "input") == 0)
|
|
{
|
|
// INPUT element - button, combo, checkbox, text etc.
|
|
flags |= nsIContextMenuListener::CONTEXT_INPUT;
|
|
flags2 |= nsIContextMenuListener2::CONTEXT_INPUT;
|
|
targetDOMnode = node;
|
|
|
|
// See if the input type is an image
|
|
if (menuListener2) {
|
|
nsCOMPtr<nsIDOMHTMLInputElement> inputElement(do_QueryInterface(node));
|
|
if (inputElement) {
|
|
nsAutoString inputElemType;
|
|
inputElement->GetType(inputElemType);
|
|
if (inputElemType.LowerCaseEqualsLiteral("image"))
|
|
flags2 |= nsIContextMenuListener2::CONTEXT_IMAGE;
|
|
}
|
|
}
|
|
break; // exit do-while
|
|
}
|
|
else if (strcmp(tagStr, "textarea") == 0)
|
|
{
|
|
// text area
|
|
flags |= nsIContextMenuListener::CONTEXT_TEXT;
|
|
flags2 |= nsIContextMenuListener2::CONTEXT_TEXT;
|
|
targetDOMnode = node;
|
|
break; // exit do-while
|
|
}
|
|
else if (strcmp(tagStr, "html") == 0)
|
|
{
|
|
if (!flags && !flags2) {
|
|
// only care about this if no other context was found.
|
|
flags |= nsIContextMenuListener::CONTEXT_DOCUMENT;
|
|
flags2 |= nsIContextMenuListener2::CONTEXT_DOCUMENT;
|
|
targetDOMnode = node;
|
|
}
|
|
if (!(flags & nsIContextMenuListener::CONTEXT_IMAGE)) {
|
|
// first check if this is a background image that the user was trying to click on
|
|
// and if the listener is ready for that (only nsIContextMenuListener2 and up)
|
|
if (menuInfoImpl && menuInfoImpl->HasBackgroundImage(node)) {
|
|
flags2 |= nsIContextMenuListener2::CONTEXT_BACKGROUND_IMAGE;
|
|
}
|
|
}
|
|
break; // exit do-while
|
|
}
|
|
else if (strcmp(tagStr, "object") == 0 || /* XXX what about images and documents? */
|
|
strcmp(tagStr, "embed") == 0 ||
|
|
strcmp(tagStr, "applet") == 0)
|
|
{ // always consume events for plugins and Java
|
|
return NS_OK; // who may throw their own context menus
|
|
}
|
|
|
|
// Test if the element has an associated link
|
|
nsCOMPtr<nsIDOMElement> element(do_QueryInterface(node));
|
|
|
|
PRBool hasAttr = PR_FALSE;
|
|
res = element->HasAttribute(NS_LITERAL_STRING("href"), &hasAttr);
|
|
|
|
if (NS_SUCCEEDED(res) && hasAttr)
|
|
{
|
|
flags |= nsIContextMenuListener::CONTEXT_LINK;
|
|
flags2 |= nsIContextMenuListener2::CONTEXT_LINK;
|
|
if (!targetDOMnode)
|
|
targetDOMnode = node;
|
|
if (menuInfoImpl)
|
|
menuInfoImpl->SetAssociatedLink(node);
|
|
break; // exit do-while
|
|
}
|
|
}
|
|
|
|
// walk-up-the-tree
|
|
nsCOMPtr<nsIDOMNode> parentNode;
|
|
node->GetParentNode(getter_AddRefs(parentNode));
|
|
node = parentNode;
|
|
} while (node);
|
|
|
|
// we need to cache the event target into the focus controller's popupNode
|
|
// so we can get at it later from command code, etc.:
|
|
|
|
// get the dom window
|
|
nsCOMPtr<nsIDOMWindow> win;
|
|
res = mWebBrowser->GetContentDOMWindow(getter_AddRefs(win));
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
NS_ENSURE_TRUE(win, NS_ERROR_FAILURE);
|
|
// get the private dom window
|
|
nsCOMPtr<nsPIDOMWindow> privateWin(do_QueryInterface(win, &res));
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
NS_ENSURE_TRUE(privateWin, NS_ERROR_FAILURE);
|
|
// get the focus controller
|
|
nsIFocusController *focusController = privateWin->GetRootFocusController();
|
|
NS_ENSURE_TRUE(focusController, NS_ERROR_FAILURE);
|
|
// set the focus controller's popup node to the event target
|
|
res = focusController->SetPopupNode(targetDOMnode);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
|
|
// Tell the listener all about the event
|
|
if ( menuListener2 ) {
|
|
menuInfoImpl->SetMouseEvent(aMouseEvent);
|
|
menuInfoImpl->SetDOMNode(targetDOMnode);
|
|
menuListener2->OnShowContextMenu(flags2, menuInfo);
|
|
}
|
|
else {
|
|
nsCOMPtr<nsIContextMenuListener> menuListener(do_QueryInterface(mWebBrowserChrome));
|
|
if ( menuListener )
|
|
menuListener->OnShowContextMenu(flags, aMouseEvent, targetDOMnode);
|
|
}
|
|
|
|
return NS_OK;
|
|
|
|
} // MouseDown
|