зеркало из https://github.com/mozilla/gecko-dev.git
add implementation for giving status feedback to user via webshell, not part of build yet
This commit is contained in:
bienvenu%netscape.com
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a3417c7046
Коммит
238ec370fd
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "msgCore.h"
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#include "nsMsgStatusFeedback.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIDomWindow.h"
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#include "nsIDocumentViewer.h"
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#include "nsIDocument.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMXULDocument.h"
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nsMsgStatusFeedback::nsMsgStatusFeedback()
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{
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NS_INIT_REFCNT();
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m_meteorsSpinning = PR_FALSE;
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}
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nsMsgStatusFeedback::~nsMsgStatusFeedback()
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{
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}
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//
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// nsISupports
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//
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NS_IMPL_ISUPPORTS2(nsMsgStatusFeedback, nsIMsgStatusFeedback, nsIDocumentLoaderObserver)
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// nsIDocumentLoaderObserver
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// nsIDocumentLoaderObserver methods
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NS_IMETHODIMP
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nsMsgStatusFeedback::OnStartDocumentLoad(nsIDocumentLoader* aLoader, nsIURI* aURL, const char* aCommand)
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{
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NS_PRECONDITION(aLoader != nsnull, "null ptr");
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if (! aLoader)
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return NS_ERROR_NULL_POINTER;
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NS_PRECONDITION(aURL != nsnull, "null ptr");
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if (! aURL)
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return NS_ERROR_NULL_POINTER;
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nsresult rv = NS_OK;
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if (mWindow)
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{
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nsCOMPtr<nsIScriptGlobalObject>
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globalScript(do_QueryInterface(mWindow));
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nsCOMPtr<nsIWebShell> webshell, rootWebshell;
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if (globalScript)
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globalScript->GetWebShell(getter_AddRefs(webshell));
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if (webshell)
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webshell->GetRootWebShell(*getter_AddRefs(rootWebshell));
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if (rootWebshell)
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{
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// Kick start the throbber
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if (!m_meteorsSpinning)
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setAttribute( rootWebshell, "Messenger:Throbber", "busy", "true" );
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else // because of a bug, we're not stopping the meteors, so lets just stop them here.
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setAttribute( rootWebshell, "Messenger:Throbber", "busy", "false" );
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setAttribute( rootWebshell, "Messenger:Status", "value", "Loading Message..." );
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m_meteorsSpinning = PR_TRUE;
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// Enable the Stop buton
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// setAttribute( rootWebshell, "canStop", "disabled", "" );
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}
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}
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return rv;
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}
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NS_IMETHODIMP
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nsMsgStatusFeedback::OnEndDocumentLoad(nsIDocumentLoader* aLoader, nsIChannel* channel, PRInt32 aStatus,
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nsIDocumentLoaderObserver * aObserver)
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{
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NS_PRECONDITION(aLoader != nsnull, "null ptr");
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if (! aLoader)
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return NS_ERROR_NULL_POINTER;
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NS_PRECONDITION(channel != nsnull, "null ptr");
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if (! channel)
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return NS_ERROR_NULL_POINTER;
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nsresult rv = NS_OK;
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if (mWindow)
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{
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nsCOMPtr<nsIScriptGlobalObject>
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globalScript(do_QueryInterface(mWindow));
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nsCOMPtr<nsIWebShell> webshell, rootWebshell;
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if (globalScript)
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globalScript->GetWebShell(getter_AddRefs(webshell));
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if (webshell)
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webshell->GetRootWebShell(*getter_AddRefs(rootWebshell));
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if (rootWebshell)
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{
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// stop the throbber
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setAttribute( rootWebshell, "Messenger:Throbber", "busy", "false" );
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static PRInt32 i = 0;
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if (i++ % 2 != 0)
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setAttribute( rootWebshell, "Messenger:Status", "value", "Message loaded" );
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else
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setAttribute(rootWebshell, "Messenger:Status", "value", "Hello kitty Message loaded" );
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m_meteorsSpinning = PR_FALSE;
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// Disable the Stop buton
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// setAttribute( rootWebshell, "canStop", "disabled", "true" );
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}
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}
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return rv;
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}
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NS_IMETHODIMP nsMsgStatusFeedback::OnStartURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsIContentViewer* aViewer)
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{
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return NS_OK;
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}
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NS_IMETHODIMP nsMsgStatusFeedback::OnProgressURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, PRUint32 aProgress, PRUint32 aProgressMax)
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{
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return NS_OK;
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}
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NS_IMETHODIMP nsMsgStatusFeedback::OnStatusURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsString& aMsg)
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{
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return NS_OK;
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}
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NS_IMETHODIMP nsMsgStatusFeedback::OnEndURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, PRInt32 aStatus)
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{
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return NS_OK;
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}
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NS_IMETHODIMP nsMsgStatusFeedback::HandleUnknownContentType(nsIDocumentLoader* loader, nsIChannel* channel, const char *aContentType,const char *aCommand )
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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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nsMsgStatusFeedback::ShowStatusString(const PRUnichar *status)
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{
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nsString statusMsg = status;
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setAttribute( mWebShell, "Messenger:Status", "value", statusMsg );
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return NS_OK;
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}
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NS_IMETHODIMP
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nsMsgStatusFeedback::ShowProgress(PRInt32 percentage)
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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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nsMsgStatusFeedback::StartMeteors()
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{
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if (!m_meteorsSpinning)
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{
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setAttribute( mWebShell, "Messenger:Throbber", "busy", "true" );
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m_meteorsSpinning = PR_TRUE;
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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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nsMsgStatusFeedback::StopMeteors()
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{
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if (!m_meteorsSpinning)
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{
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setAttribute( mWebShell, "Messenger:Throbber", "busy", "false" );
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m_meteorsSpinning = PR_FALSE;
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}
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return NS_OK;
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}
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void nsMsgStatusFeedback::SetWebShell(nsIWebShell *shell, nsIDOMWindow *aWindow)
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{
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mWebShell = shell;
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mWindow = aWindow;
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}
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static int debugSetAttr = 0;
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nsresult nsMsgStatusFeedback::setAttribute( nsIWebShell *shell,
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const char *id,
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const char *name,
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const nsString &value ) {
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nsresult rv = NS_OK;
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nsCOMPtr<nsIContentViewer> cv;
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rv = shell ? shell->GetContentViewer(getter_AddRefs(cv))
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: NS_ERROR_NULL_POINTER;
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if ( cv ) {
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// Up-cast.
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nsCOMPtr<nsIDocumentViewer> docv(do_QueryInterface(cv));
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if ( docv ) {
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// Get the document from the doc viewer.
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nsCOMPtr<nsIDocument> doc;
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rv = docv->GetDocument(*getter_AddRefs(doc));
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if ( doc ) {
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// Up-cast.
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nsCOMPtr<nsIDOMXULDocument> xulDoc( do_QueryInterface(doc) );
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if ( xulDoc )
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{
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// Find specified element.
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nsCOMPtr<nsIDOMElement> elem;
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rv = xulDoc->GetElementById( id, getter_AddRefs(elem) );
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if ( elem ) {
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// Set the text attribute.
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rv = elem->SetAttribute( name, value );
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if ( debugSetAttr ) {
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char *p = value.ToNewCString();
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printf("setting busy to %s\n", p);
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delete [] p;
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}
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if ( rv != NS_OK ) {
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if (debugSetAttr) printf("SetAttribute failed, rv=0x%X\n",(int)rv);
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}
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} else {
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if (debugSetAttr) printf("GetElementByID failed, rv=0x%X\n",(int)rv);
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}
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} else {
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if (debugSetAttr) printf("Upcast to nsIDOMHTMLDocument failed\n");
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}
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} else {
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if (debugSetAttr) printf("GetDocument failed, rv=0x%X\n",(int)rv);
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}
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} else {
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if (debugSetAttr) printf("Upcast to nsIDocumentViewer failed\n");
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}
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} else {
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if (debugSetAttr) printf("GetContentViewer failed, rv=0x%X\n",(int)rv);
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}
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return rv;
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}
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@ -0,0 +1,64 @@
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef _nsMsgStatusFeedback_h
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#define _nsMsgStatusFeedback_h
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#include "nsIDocumentLoaderObserver.h"
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#include "nsIWebShell.h"
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#include "nsCOMPtr.h"
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#include "nsIMsgStatusFeedback.h"
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class nsMsgStatusFeedback : public nsIMsgStatusFeedback, public nsIDocumentLoaderObserver
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{
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public:
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nsMsgStatusFeedback();
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virtual ~nsMsgStatusFeedback();
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NS_DECL_ISUPPORTS
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// nsIMsgStatusFeedback
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NS_IMETHOD ShowStatusString(const PRUnichar *status);
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NS_IMETHOD StartMeteors();
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NS_IMETHOD StopMeteors();
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NS_IMETHOD ShowProgress(PRInt32 percent);
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// nsIDocumntLoaderObserver
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NS_IMETHOD OnStartDocumentLoad(nsIDocumentLoader* loader, nsIURI* aURL, const char* aCommand);
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NS_IMETHOD OnEndDocumentLoad(nsIDocumentLoader* loader, nsIChannel* channel, PRInt32 aStatus, nsIDocumentLoaderObserver* aObserver);
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NS_IMETHOD OnStartURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsIContentViewer* aViewer);
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NS_IMETHOD OnProgressURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, PRUint32 aProgress, PRUint32 aProgressMax);
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NS_IMETHOD OnStatusURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, nsString& aMsg);
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NS_IMETHOD OnEndURLLoad(nsIDocumentLoader* loader, nsIChannel* channel, PRInt32 aStatus);
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NS_IMETHOD HandleUnknownContentType(nsIDocumentLoader* loader, nsIChannel* channel, const char *aContentType,const char *aCommand );
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void SetWebShell(nsIWebShell *shell, nsIDOMWindow *mWindow);
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nsresult setAttribute( nsIWebShell *shell,
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const char *id,
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const char *name,
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const nsString &value );
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protected:
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nsCOMPtr <nsIWebShell> mWebShell;
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nsCOMPtr <nsIDOMWindow> mWindow;
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PRBool m_meteorsSpinning;
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};
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#endif // _nsMsgStatusFeedback_h
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