BUG115229 files not in build yet. checking in new files to make tree landing of editor embedded work go more smoothely

This commit is contained in:
mjudge%netscape.com 2002-01-30 04:46:54 +00:00
parent bb03fef0ac
commit ca4de4f1e9
6 changed files with 1249 additions and 0 deletions

View File

@ -0,0 +1,51 @@
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Mozilla browser.
*
* The Initial Developer of the Original Code is Netscape
* Communications, Inc. Portions created by Netscape are
* Copyright (C) 1999, Mozilla. All Rights Reserved.
*
* Contributor(s):
* Simon Fraser <sfraser@netscape.com>
*/
#include "nsISupports.idl"
interface nsIEditor;
/**
* nsIEditorDocShell provides a way to get an editor from
* a specific frame in a docShell hierarchy. It is intended
* to be only used internally. Use nsIEditingShell.getEditorForFrame
* from out side.
*/
[scriptable, uuid(3BDB8F01-F141-11D4-A73C-FBA4ABA8A3FC)]
interface nsIEditorDocShell : nsISupports
{
attribute nsIEditor editor;
readonly attribute boolean editable; /* this docShell is editable */
readonly attribute boolean hasEditingSession; /* this docShell has an editing session */
/**
* Make this docShell editable, setting a flag that causes
* an editor to get created, either immediately, or after
* a url has been loaded.
* @param inWaitForUriLoad true to wait for a URI before
* creating the editor.
*/
void makeEditable(in boolean inWaitForUriLoad);
};

View File

@ -0,0 +1,333 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Simon Fraser <sfraser@netscape.com>
*/
#include "nsComposerCommandsUpdater.h"
#include "nsIDOMDocument.h"
#include "nsIDocument.h"
#include "nsISelection.h"
#include "nsIScriptGlobalObject.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsICommandManager.h"
#include "nsPICommandUpdater.h"
#include "nsIEditor.h"
#include "nsIDocShell.h"
#include "nsITransactionManager.h"
nsComposerCommandsUpdater::nsComposerCommandsUpdater()
: mEditor(nsnull)
, mDocShell(nsnull)
, mDirtyState(eStateUninitialized)
, mSelectionCollapsed(eStateUninitialized)
, mFirstDoOfFirstUndo(PR_TRUE)
{
NS_INIT_REFCNT();
}
nsComposerCommandsUpdater::~nsComposerCommandsUpdater()
{
}
NS_IMPL_ISUPPORTS4(nsComposerCommandsUpdater, nsISelectionListener, nsIDocumentStateListener, nsITransactionListener, nsITimerCallback);
#if 0
#pragma mark -
#endif
NS_IMETHODIMP
nsComposerCommandsUpdater::NotifyDocumentCreated()
{
return NS_OK;
}
NS_IMETHODIMP
nsComposerCommandsUpdater::NotifyDocumentWillBeDestroyed()
{
// cancel any outstanding udpate timer
if (mUpdateTimer)
mUpdateTimer->Cancel();
return NS_OK;
}
NS_IMETHODIMP
nsComposerCommandsUpdater::NotifyDocumentStateChanged(PRBool aNowDirty)
{
// update document modified. We should have some other notifications for this too.
return UpdateDirtyState(aNowDirty);
}
NS_IMETHODIMP
nsComposerCommandsUpdater::NotifySelectionChanged(nsIDOMDocument *, nsISelection *, short)
{
return PrimeUpdateTimer();
}
#if 0
#pragma mark -
#endif
NS_IMETHODIMP nsComposerCommandsUpdater::WillDo(nsITransactionManager *aManager,
nsITransaction *aTransaction, PRBool *aInterrupt)
{
*aInterrupt = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP nsComposerCommandsUpdater::DidDo(nsITransactionManager *aManager,
nsITransaction *aTransaction, nsresult aDoResult)
{
// only need to update if the status of the Undo menu item changes.
PRInt32 undoCount;
aManager->GetNumberOfUndoItems(&undoCount);
if (undoCount == 1)
{
if (mFirstDoOfFirstUndo)
CallUpdateCommands(NS_ConvertASCIItoUCS2("undo"));
mFirstDoOfFirstUndo = PR_FALSE;
}
return NS_OK;
}
NS_IMETHODIMP nsComposerCommandsUpdater::WillUndo(nsITransactionManager *aManager,
nsITransaction *aTransaction, PRBool *aInterrupt)
{
*aInterrupt = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP nsComposerCommandsUpdater::DidUndo(nsITransactionManager *aManager,
nsITransaction *aTransaction, nsresult aUndoResult)
{
PRInt32 undoCount;
aManager->GetNumberOfUndoItems(&undoCount);
if (undoCount == 0)
mFirstDoOfFirstUndo = PR_TRUE; // reset the state for the next do
CallUpdateCommands(NS_ConvertASCIItoUCS2("undo"));
return NS_OK;
}
NS_IMETHODIMP nsComposerCommandsUpdater::WillRedo(nsITransactionManager *aManager,
nsITransaction *aTransaction, PRBool *aInterrupt)
{
*aInterrupt = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP nsComposerCommandsUpdater::DidRedo(nsITransactionManager *aManager,
nsITransaction *aTransaction, nsresult aRedoResult)
{
CallUpdateCommands(NS_ConvertASCIItoUCS2("undo"));
return NS_OK;
}
NS_IMETHODIMP nsComposerCommandsUpdater::WillBeginBatch(nsITransactionManager *aManager, PRBool *aInterrupt)
{
*aInterrupt = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP nsComposerCommandsUpdater::DidBeginBatch(nsITransactionManager *aManager, nsresult aResult)
{
return NS_OK;
}
NS_IMETHODIMP nsComposerCommandsUpdater::WillEndBatch(nsITransactionManager *aManager, PRBool *aInterrupt)
{
*aInterrupt = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP nsComposerCommandsUpdater::DidEndBatch(nsITransactionManager *aManager, nsresult aResult)
{
return NS_OK;
}
NS_IMETHODIMP nsComposerCommandsUpdater::WillMerge(nsITransactionManager *aManager,
nsITransaction *aTopTransaction, nsITransaction *aTransactionToMerge, PRBool *aInterrupt)
{
*aInterrupt = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP nsComposerCommandsUpdater::DidMerge(nsITransactionManager *aManager,
nsITransaction *aTopTransaction, nsITransaction *aTransactionToMerge,
PRBool aDidMerge, nsresult aMergeResult)
{
return NS_OK;
}
#if 0
#pragma mark -
#endif
nsresult
nsComposerCommandsUpdater::SetEditor(nsIEditor* aEditor)
{
mEditor = aEditor; // no addreffing here
return NS_OK;
}
nsresult
nsComposerCommandsUpdater::PrimeUpdateTimer()
{
nsresult rv = NS_OK;
if (mUpdateTimer)
{
// i'd love to be able to just call SetDelay on the existing timer, but
// i think i have to tear it down and make a new one.
mUpdateTimer->Cancel();
mUpdateTimer = NULL; // free it
}
mUpdateTimer = do_CreateInstance("@mozilla.org/timer;1", &rv);
if (NS_FAILED(rv)) return rv;
const PRUint32 kUpdateTimerDelay = 150;
return mUpdateTimer->Init(NS_STATIC_CAST(nsITimerCallback*, this), kUpdateTimerDelay);
}
void nsComposerCommandsUpdater::TimerCallback()
{
// if the selection state has changed, update stuff
PRBool isCollapsed = SelectionIsCollapsed();
if (isCollapsed != mSelectionCollapsed)
{
CallUpdateCommands(NS_ConvertASCIItoUCS2("select"));
mSelectionCollapsed = isCollapsed;
}
CallUpdateCommands(NS_ConvertASCIItoUCS2("style"));
}
nsresult
nsComposerCommandsUpdater::UpdateDirtyState(PRBool aNowDirty)
{
if (mDirtyState != aNowDirty)
{
CallUpdateCommands(NS_ConvertASCIItoUCS2("save"));
mDirtyState = aNowDirty;
}
return NS_OK;
}
nsresult
nsComposerCommandsUpdater::CallUpdateCommands(const nsAReadableString& aCommand)
{
if (!mDocShell)
{
nsCOMPtr<nsIEditor> editor = do_QueryInterface(mEditor);
if (!editor) return NS_ERROR_FAILURE;
nsCOMPtr<nsIDOMDocument> domDoc;
editor->GetDocument(getter_AddRefs(domDoc));
if (!domDoc) return NS_ERROR_FAILURE;
nsCOMPtr<nsIDocument> theDoc = do_QueryInterface(domDoc);
if (!theDoc) return NS_ERROR_FAILURE;
nsCOMPtr<nsIScriptGlobalObject> scriptGlobalObject;
theDoc->GetScriptGlobalObject(getter_AddRefs(scriptGlobalObject));
nsCOMPtr<nsIDocShell> docShell;
scriptGlobalObject->GetDocShell(getter_AddRefs(docShell));
mDocShell = docShell.get();
}
if (!mDocShell) return NS_ERROR_FAILURE;
nsCOMPtr<nsICommandManager> commandManager = do_GetInterface(mDocShell);
nsCOMPtr<nsPICommandUpdater> commandUpdater = do_QueryInterface(commandManager);
if (!commandUpdater) return NS_ERROR_FAILURE;
commandUpdater->CommandStatusChanged(NS_LITERAL_STRING("cmd_bold"));
commandUpdater->CommandStatusChanged(NS_LITERAL_STRING("cmd_italic"));
commandUpdater->CommandStatusChanged(NS_LITERAL_STRING("cmd_underline"));
return NS_OK;
}
PRBool
nsComposerCommandsUpdater::SelectionIsCollapsed()
{
nsresult rv;
// we don't care too much about failures here.
nsCOMPtr<nsIEditor> editor = do_QueryInterface(mEditor, &rv);
if (NS_SUCCEEDED(rv))
{
nsCOMPtr<nsISelection> domSelection;
rv = editor->GetSelection(getter_AddRefs(domSelection));
if (NS_SUCCEEDED(rv))
{
PRBool selectionCollapsed = PR_FALSE;
rv = domSelection->GetIsCollapsed(&selectionCollapsed);
return selectionCollapsed;
}
}
return PR_FALSE;
}
#if 0
#pragma mark -
#endif
void
nsComposerCommandsUpdater::Notify(nsITimer *timer)
{
NS_ASSERTION(timer == mUpdateTimer.get(), "Hey, this ain't my timer!");
mUpdateTimer = NULL; // release my hold
TimerCallback();
}
#if 0
#pragma mark -
#endif
nsresult NS_NewComposerCommandsUpdater(nsIEditor* aEditor, nsISelectionListener** aInstancePtrResult)
{
nsComposerCommandsUpdater* newThang = new nsComposerCommandsUpdater;
if (!newThang)
return NS_ERROR_OUT_OF_MEMORY;
*aInstancePtrResult = nsnull;
nsresult rv = newThang->SetEditor(aEditor);
if (NS_FAILED(rv))
{
delete newThang;
return rv;
}
return newThang->QueryInterface(NS_GET_IID(nsISelectionListener), (void **)aInstancePtrResult);
}

View File

@ -0,0 +1,121 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Simon Fraser <sfraser@netscape.com>
*/
#ifndef nsComposerCommandsUpdater_h__
#define nsComposerCommandsUpdater_h__
#include "nsString.h"
#include "nsITimer.h"
#include "nsISelectionListener.h"
#include "nsIDocumentStateListener.h"
#include "nsITransactionListener.h"
#include "nsITimerCallback.h"
class nsIEditor;
class nsIDocShell;
class nsITransactionManager;
class nsComposerCommandsUpdater : public nsISelectionListener,
public nsIDocumentStateListener,
public nsITransactionListener,
public nsITimerCallback
{
public:
nsComposerCommandsUpdater();
virtual ~nsComposerCommandsUpdater();
// nsISupports
NS_DECL_ISUPPORTS
// nsISelectionListener
NS_DECL_NSISELECTIONLISTENER
// nsIDocumentStateListener
NS_DECL_NSIDOCUMENTSTATELISTENER
// nsITimerCallback interfaces
NS_IMETHOD_(void) Notify(nsITimer *timer);
/** nsITransactionListener interfaces
*/
NS_IMETHOD WillDo(nsITransactionManager *aManager, nsITransaction *aTransaction, PRBool *aInterrupt);
NS_IMETHOD DidDo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aDoResult);
NS_IMETHOD WillUndo(nsITransactionManager *aManager, nsITransaction *aTransaction, PRBool *aInterrupt);
NS_IMETHOD DidUndo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aUndoResult);
NS_IMETHOD WillRedo(nsITransactionManager *aManager, nsITransaction *aTransaction, PRBool *aInterrupt);
NS_IMETHOD DidRedo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aRedoResult);
NS_IMETHOD WillBeginBatch(nsITransactionManager *aManager, PRBool *aInterrupt);
NS_IMETHOD DidBeginBatch(nsITransactionManager *aManager, nsresult aResult);
NS_IMETHOD WillEndBatch(nsITransactionManager *aManager, PRBool *aInterrupt);
NS_IMETHOD DidEndBatch(nsITransactionManager *aManager, nsresult aResult);
NS_IMETHOD WillMerge(nsITransactionManager *aManager, nsITransaction *aTopTransaction,
nsITransaction *aTransactionToMerge, PRBool *aInterrupt);
NS_IMETHOD DidMerge(nsITransactionManager *aManager, nsITransaction *aTopTransaction,
nsITransaction *aTransactionToMerge,
PRBool aDidMerge, nsresult aMergeResult);
nsresult SetEditor(nsIEditor* aEditor);
protected:
enum {
eStateUninitialized = -1,
eStateOff = PR_FALSE,
eStateOn = PR_TRUE
};
PRBool SelectionIsCollapsed();
nsresult UpdateDirtyState(PRBool aNowDirty);
nsresult CallUpdateCommands(const nsAReadableString& aCommand);
nsresult PrimeUpdateTimer();
void TimerCallback();
// this class should not hold references to the editor or editorShell. Doing
// so would result in cirular reference chains.
nsIEditor* mEditor; // the HTML editor
nsIDocShell* mDocShell;
nsCOMPtr<nsITimer> mUpdateTimer;
PRInt8 mDirtyState;
PRInt8 mSelectionCollapsed;
PRPackedBool mFirstDoOfFirstUndo;
};
extern "C" nsresult NS_NewComposerCommandsUpdater(nsIEditor* aEditor, nsISelectionListener** aInstancePtrResult);
#endif // nsComposerCommandsUpdater_h__

View File

@ -0,0 +1,685 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Simon Fraser <sfraser@netscape.com>
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsIDOMWindow.h"
#include "nsIDOMWindowInternal.h"
#include "nsIDOMDocument.h"
#include "nsIScriptGlobalObject.h"
#include "nsISelectionPrivate.h"
#include "nsITransactionManager.h"
#include "nsIEditorDocShell.h"
#include "nsIChannel.h"
#include "nsIWebProgress.h"
#include "nsIControllers.h"
#include "nsIController.h"
#include "nsIEditorController.h"
#include "nsIPresShell.h"
#include "nsComposerCommandsUpdater.h"
#include "nsEditingSession.h"
#include "nsIComponentManager.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIContentViewer.h"
#include "nsISelectionController.h"
#if DEBUG
#define NOISY_DOC_LOADING 1
#endif
/*---------------------------------------------------------------------------
nsEditingSession
----------------------------------------------------------------------------*/
nsEditingSession::nsEditingSession()
: mDoneSetup(PR_FALSE)
{
NS_INIT_ISUPPORTS();
}
/*---------------------------------------------------------------------------
~nsEditingSession
----------------------------------------------------------------------------*/
nsEditingSession::~nsEditingSession()
{
NS_IF_RELEASE(mStateMaintainer);
}
NS_IMPL_ISUPPORTS3(nsEditingSession, nsIEditingSession, nsIWebProgressListener, nsISupportsWeakReference)
/*---------------------------------------------------------------------------
GetEditingShell
void init (in nsIDOMWindow aWindow)
----------------------------------------------------------------------------*/
NS_IMETHODIMP
nsEditingSession::Init(nsIDOMWindow *aWindow)
{
nsCOMPtr<nsIDocShell> docShell;
nsresult rv = GetDocShellFromWindow(aWindow, getter_AddRefs(docShell));
if (NS_FAILED(rv)) return rv;
mEditingShell = getter_AddRefs(NS_GetWeakReference(docShell));
if (!mEditingShell) return NS_ERROR_NO_INTERFACE;
return NS_OK;
}
/*---------------------------------------------------------------------------
MakeWindowEditable
void makeWindowEditable (in nsIDOMWindow aWindow, in boolean inDoAfterUriLoad);
----------------------------------------------------------------------------*/
NS_IMETHODIMP
nsEditingSession::MakeWindowEditable(nsIDOMWindow *aWindow, PRBool inDoAfterUriLoad)
{
nsresult rv = PrepareForEditing();
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIEditorDocShell> editorDocShell;
rv = GetEditorDocShellFromWindow(aWindow, getter_AddRefs(editorDocShell));
if (NS_FAILED(rv)) return rv;
// set the flag on the docShell to say that it's editable
rv = editorDocShell->MakeEditable(inDoAfterUriLoad);
if (NS_FAILED(rv)) return rv;
rv = SetupFrameControllers(aWindow);
if (NS_FAILED(rv)) return rv;
// make an editor immediately
if (!inDoAfterUriLoad)
{
rv = SetupEditorOnWindow(aWindow);
if (NS_FAILED(rv)) return rv;
}
return NS_OK;
}
/*---------------------------------------------------------------------------
WindowIsEditable
boolean windowIsEditable (in nsIDOMWindow aWindow);
----------------------------------------------------------------------------*/
NS_IMETHODIMP nsEditingSession::WindowIsEditable(nsIDOMWindow *aWindow, PRBool *outIsEditable)
{
nsCOMPtr<nsIEditorDocShell> editorDocShell;
nsresult rv = GetEditorDocShellFromWindow(aWindow, getter_AddRefs(editorDocShell));
if (NS_FAILED(rv)) return rv;
return editorDocShell->GetEditable(outIsEditable);
}
/*---------------------------------------------------------------------------
SetupEditorOnWindow
nsIEditor setupEditorOnWindow (in nsIDOMWindow aWindow);
----------------------------------------------------------------------------*/
NS_IMETHODIMP
nsEditingSession::SetupEditorOnWindow(nsIDOMWindow *aWindow)
{
nsresult rv = PrepareForEditing();
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIDocShell> docShell;
rv = GetDocShellFromWindow(aWindow, getter_AddRefs(docShell));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIEditorDocShell> editorDocShell(do_QueryInterface(docShell, &rv));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIEditor> editor(do_CreateInstance("@mozilla.org/editor/htmleditor;1", &rv));
if (NS_FAILED(rv)) return rv;
// set the editor on the docShell. The docShell now owns it.
rv = editorDocShell->SetEditor(editor);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIPresShell> presShell;
rv = docShell->GetPresShell(getter_AddRefs(presShell));
if (NS_FAILED(rv)) return rv;
if (!presShell) return NS_ERROR_FAILURE;
nsCOMPtr<nsIContentViewer> contentViewer;
rv = docShell->GetContentViewer(getter_AddRefs(contentViewer));
if (NS_FAILED(rv)) return rv;
if (!contentViewer) return NS_ERROR_FAILURE;
nsCOMPtr<nsIDOMDocument> domDoc;
rv = contentViewer->GetDOMDocument(getter_AddRefs(domDoc));
if (NS_FAILED(rv)) return rv;
if (!domDoc) return NS_ERROR_FAILURE;
nsCOMPtr<nsISelectionController> selCon = do_QueryInterface(presShell);
rv = editor->Init(domDoc, presShell, nsnull /* root content */, selCon, 0);
if (NS_FAILED(rv)) return rv;
rv = editor->PostCreate();
if (NS_FAILED(rv)) return rv;
// set the editor on the controller
rv = SetEditorOnControllers(aWindow, editor);
if (NS_FAILED(rv)) return rv;
// make the UI state maintainer
NS_NEWXPCOM(mStateMaintainer, nsComposerCommandsUpdater);
if (!mStateMaintainer) return NS_ERROR_OUT_OF_MEMORY;
mStateMaintainer->AddRef(); // the owning reference
// now init the state maintainer
// XXX this needs to swap out editors
rv = mStateMaintainer->SetEditor(editor);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsISelection> selection;
editor->GetSelection(getter_AddRefs(selection));
nsCOMPtr<nsISelectionPrivate> selPriv = do_QueryInterface(selection);
if (!selPriv) return NS_ERROR_FAILURE;
rv = selPriv->AddSelectionListener(mStateMaintainer);
if (NS_FAILED(rv)) return rv;
// and set it up as a doc state listener
rv = editor->AddDocumentStateListener(NS_STATIC_CAST(nsIDocumentStateListener*, mStateMaintainer));
if (NS_FAILED(rv)) return rv;
// and as a transaction listener
nsCOMPtr<nsITransactionManager> txnMgr;
editor->GetTransactionManager(getter_AddRefs(txnMgr));
if (txnMgr)
{
txnMgr->AddListener(NS_STATIC_CAST(nsITransactionListener*, mStateMaintainer));
}
return NS_OK;
}
/*---------------------------------------------------------------------------
TearDownEditorOnWindow
void tearDownEditorOnWindow (in nsIDOMWindow aWindow);
----------------------------------------------------------------------------*/
NS_IMETHODIMP
nsEditingSession::TearDownEditorOnWindow(nsIDOMWindow *aWindow)
{
nsresult rv;
// null out the editor on the controller
rv = SetEditorOnControllers(aWindow, nsnull);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIEditorDocShell> editorDocShell;
rv = GetEditorDocShellFromWindow(aWindow, getter_AddRefs(editorDocShell));
if (NS_FAILED(rv)) return rv;
// null out the editor on the docShell
rv = editorDocShell->SetEditor(nsnull);
if (NS_FAILED(rv)) return rv;
return NS_OK;
}
/*---------------------------------------------------------------------------
GetEditorForFrame
nsIEditor getEditorForFrame (in nsIDOMWindow aWindow);
----------------------------------------------------------------------------*/
NS_IMETHODIMP
nsEditingSession::GetEditorForWindow(nsIDOMWindow *aWindow, nsIEditor **outEditor)
{
nsCOMPtr<nsIEditorDocShell> editorDocShell;
nsresult rv = GetEditorDocShellFromWindow(aWindow, getter_AddRefs(editorDocShell));
if (NS_FAILED(rv)) return rv;
return editorDocShell->GetEditor(outEditor);
}
#ifdef XP_MAC
#pragma mark -
#endif
/*---------------------------------------------------------------------------
OnStateChange
----------------------------------------------------------------------------*/
NS_IMETHODIMP
nsEditingSession::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRInt32 aStateFlags, PRUint32 aStatus)
{
//
// A Request has started...
//
if (aStateFlags & nsIWebProgressListener::STATE_START)
{
// Page level notification...
if (aStateFlags & nsIWebProgressListener::STATE_IS_NETWORK)
{
StartPageLoad(aWebProgress);
}
// Document level notification...
if (aStateFlags & nsIWebProgressListener::STATE_IS_DOCUMENT)
{
if (NotifyingCurrentDocument(aWebProgress))
(void)StartDocumentLoad(aWebProgress);
}
}
//
// A Request is being processed
//
else if (aStateFlags & nsIWebProgressListener::STATE_TRANSFERRING)
{
if (aStateFlags * nsIWebProgressListener::STATE_IS_DOCUMENT)
{
// document transfer started
}
}
//
// Got a redirection
//
else if (aStateFlags & nsIWebProgressListener::STATE_REDIRECTING)
{
if (aStateFlags * nsIWebProgressListener::STATE_IS_DOCUMENT)
{
// got a redirect
}
}
//
// A network or document Request as finished...
//
else if (aStateFlags & nsIWebProgressListener::STATE_STOP)
{
// Document level notification...
if (aStateFlags & nsIWebProgressListener::STATE_IS_DOCUMENT)
{
if (NotifyingCurrentDocument(aWebProgress))
{
nsCOMPtr<nsIChannel> channel(do_QueryInterface(aRequest));
(void)EndDocumentLoad(aWebProgress, channel, aStatus);
}
}
// Page level notification...
if (aStateFlags & nsIWebProgressListener::STATE_IS_NETWORK)
{
nsCOMPtr<nsIChannel> channel(do_QueryInterface(aRequest));
(void)EndPageLoad(aWebProgress, channel, aStatus);
}
}
return NS_OK;
}
/*---------------------------------------------------------------------------
OnProgressChange
----------------------------------------------------------------------------*/
NS_IMETHODIMP
nsEditingSession::OnProgressChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRInt32 aCurSelfProgress, PRInt32 aMaxSelfProgress, PRInt32 aCurTotalProgress, PRInt32 aMaxTotalProgress)
{
return NS_OK;
}
/*---------------------------------------------------------------------------
OnLocationChange
----------------------------------------------------------------------------*/
NS_IMETHODIMP
nsEditingSession::OnLocationChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, nsIURI *location)
{
return NS_OK;
}
/*---------------------------------------------------------------------------
OnStatusChange
----------------------------------------------------------------------------*/
NS_IMETHODIMP
nsEditingSession::OnStatusChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, nsresult aStatus, const PRUnichar *aMessage)
{
return NS_OK;
}
/*---------------------------------------------------------------------------
OnSecurityChange
----------------------------------------------------------------------------*/
NS_IMETHODIMP
nsEditingSession::OnSecurityChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRInt32 state)
{
return NS_OK;
}
#ifdef XP_MAC
#pragma mark -
#endif
/*---------------------------------------------------------------------------
NotifyingCurrentDocument
Check that this notification is for our document. Necessary?
----------------------------------------------------------------------------*/
PRBool
nsEditingSession::NotifyingCurrentDocument(nsIWebProgress *aWebProgress)
{
return PR_TRUE;
}
/*---------------------------------------------------------------------------
StartDocumentLoad
Called on start of load in a single frame
----------------------------------------------------------------------------*/
nsresult
nsEditingSession::StartDocumentLoad(nsIWebProgress *aWebProgress)
{
#ifdef NOISY_DOC_LOADING
printf("Editing session StartDocumentLoad\n");
#endif
NS_ENSURE_ARG(aWebProgress);
// If we have an editor here, then we got a reload after making the editor.
// We need to blow it away and make a new one at the end of the load.
nsCOMPtr<nsIDOMWindow> domWindow;
aWebProgress->GetDOMWindow(getter_AddRefs(domWindow));
if (domWindow)
{
nsresult rv = TearDownEditorOnWindow(domWindow);
}
return NS_OK;
}
/*---------------------------------------------------------------------------
EndDocumentLoad
Called on end of load in a single frame
----------------------------------------------------------------------------*/
nsresult
nsEditingSession::EndDocumentLoad(nsIWebProgress *aWebProgress, nsIChannel* aChannel, nsresult aStatus)
{
NS_ENSURE_ARG(aWebProgress);
#ifdef NOISY_DOC_LOADING
printf("Editing shell EndDocumentLoad\n");
#endif
// we want to call the base class EndDocumentLoad, but avoid some of the stuff
// that nsWebShell does (need to refactor).
// OK, time to make an editor on this document
nsCOMPtr<nsIDOMWindow> domWindow;
aWebProgress->GetDOMWindow(getter_AddRefs(domWindow));
nsCOMPtr<nsIDocShell> docShell;
nsresult rv = GetDocShellFromWindow(domWindow, getter_AddRefs(docShell));
if (NS_FAILED(rv)) return rv; // better error handling?
nsCOMPtr<nsIEditorDocShell> editorDocShell(do_QueryInterface(docShell));
// did someone set the flag to make this shell editable?
if (editorDocShell)
{
PRBool makeEditable;
editorDocShell->GetEditable(&makeEditable);
if (makeEditable)
{
nsresult rv = SetupEditorOnWindow(domWindow);
}
}
return NS_OK;
}
/*---------------------------------------------------------------------------
StartPageLoad
Called on start load of the entire page (incl. subframes)
----------------------------------------------------------------------------*/
nsresult
nsEditingSession::StartPageLoad(nsIWebProgress *aWebProgress)
{
return NS_OK;
}
/*---------------------------------------------------------------------------
EndPageLoad
Called on end load of the entire page (incl. subframes)
----------------------------------------------------------------------------*/
nsresult
nsEditingSession::EndPageLoad(nsIWebProgress *aWebProgress, nsIChannel* aChannel, nsresult aStatus)
{
return NS_OK;
}
#ifdef XP_MAC
#pragma mark -
#endif
/*---------------------------------------------------------------------------
GetDocShellFromWindow
Utility method. This will always return an error if no docShell
is returned.
----------------------------------------------------------------------------*/
nsresult
nsEditingSession::GetDocShellFromWindow(nsIDOMWindow *inWindow, nsIDocShell** outDocShell)
{
nsCOMPtr<nsIScriptGlobalObject> scriptGO(do_QueryInterface(inWindow));
if (!scriptGO) return NS_ERROR_FAILURE;
nsresult rv = scriptGO->GetDocShell(outDocShell);
if (NS_FAILED(rv)) return rv;
if (!*outDocShell) return NS_ERROR_FAILURE;
return NS_OK;
}
/*---------------------------------------------------------------------------
GetEditorDocShellFromWindow
Utility method. This will always return an error if no docShell
is returned.
----------------------------------------------------------------------------*/
nsresult
nsEditingSession::GetEditorDocShellFromWindow(nsIDOMWindow *inWindow, nsIEditorDocShell** outDocShell)
{
nsCOMPtr<nsIDocShell> docShell;
nsresult rv = GetDocShellFromWindow(inWindow, getter_AddRefs(docShell));
if (NS_FAILED(rv)) return rv;
return docShell->QueryInterface(NS_GET_IID(nsIEditorDocShell), (void **)outDocShell);
}
/*---------------------------------------------------------------------------
PrepareForEditing
Set up this editing session for one or more editors
----------------------------------------------------------------------------*/
nsresult
nsEditingSession::PrepareForEditing()
{
if (mDoneSetup)
return NS_OK;
mDoneSetup = PR_TRUE;
nsCOMPtr<nsIDocShell> docShell = do_QueryReferent(mEditingShell);
if (!docShell) return NS_ERROR_NOT_INITIALIZED;
nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(docShell);
if (!domWindow) return NS_ERROR_FAILURE;
// register callback
nsCOMPtr<nsIWebProgress> webProgress = do_GetInterface(docShell);
if (!webProgress) return NS_ERROR_FAILURE;
nsresult rv = webProgress->AddProgressListener(this);
if (NS_FAILED(rv)) return rv;
return NS_OK;
}
/*---------------------------------------------------------------------------
SetupFrameControllers
Set up the controller for this frame.
----------------------------------------------------------------------------*/
nsresult
nsEditingSession::SetupFrameControllers(nsIDOMWindow *inWindow)
{
nsresult rv;
nsCOMPtr<nsIDOMWindowInternal> domWindowInt(do_QueryInterface(inWindow, &rv));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIControllers> controllers;
rv = domWindowInt->GetControllers(getter_AddRefs(controllers));
if (NS_FAILED(rv)) return rv;
// the first is an editor controller, and takes an nsIEditor as the refCon
nsCOMPtr<nsIController> controller(do_CreateInstance("@mozilla.org/editor/editorcontroller;1", &rv));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIEditorController> editorController(do_QueryInterface(controller));
rv = editorController->Init(nsnull); // we set the editor later when we have one
if (NS_FAILED(rv)) return rv;
rv = controllers->InsertControllerAt(0, controller);
if (NS_FAILED(rv)) return rv;
// the second is an composer controller, and also takes an nsIEditor as the refCon
controller = do_CreateInstance("@mozilla.org/editor/composercontroller;1", &rv);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIEditorController> composerController(do_QueryInterface(controller));
rv = composerController->Init(nsnull); // we set the editor later when we have one
if (NS_FAILED(rv)) return rv;
rv = controllers->InsertControllerAt(1, controller);
if (NS_FAILED(rv)) return rv;
return NS_OK;
}
/*---------------------------------------------------------------------------
SetEditorOnControllers
Set the editor on the controller(s) for this window
----------------------------------------------------------------------------*/
nsresult
nsEditingSession::SetEditorOnControllers(nsIDOMWindow *inWindow, nsIEditor* inEditor)
{
nsresult rv;
// set the editor on the controller
nsCOMPtr<nsIDOMWindowInternal> domWindowInt(do_QueryInterface(inWindow, &rv));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIControllers> controllers;
rv = domWindowInt->GetControllers(getter_AddRefs(controllers));
if (NS_FAILED(rv)) return rv;
// find the editor controllers by QIing each one. This sucks.
// Controllers need to have IDs of some kind.
PRUint32 numControllers;
rv = controllers->GetControllerCount(&numControllers);
if (NS_FAILED(rv)) return rv;
for (PRUint32 i = 0; i < numControllers; i ++)
{
nsCOMPtr<nsIController> thisController;
controllers->GetControllerAt(i, getter_AddRefs(thisController));
nsCOMPtr<nsIEditorController> editorController(do_QueryInterface(thisController)); // ok with nil controller
if (editorController)
{
rv = editorController->SetCommandRefCon(inEditor);
if (NS_FAILED(rv)) break;
}
}
if (NS_FAILED(rv)) return rv;
return NS_OK;
}

View File

@ -0,0 +1,35 @@
#include "stdafx.h"
#include "CCommandObserver.h"
NS_IMPL_ADDREF(CCommandObserver)
NS_IMPL_RELEASE(CCommandObserver)
NS_IMPL_QUERY_INTERFACE1(CCommandObserver, nsIObserver)
CCommandObserver::CCommandObserver()
{
NS_INIT_REFCNT();
mFrame = 0;
}
/* void observe (in nsISupports aSubject, in string aTopic, in wstring aData); */
NS_IMETHODIMP
CCommandObserver::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *aData)
{
if (!mFrame)
return NS_ERROR_NOT_INITIALIZED;
mFrame->KillTimer(mTimerId);
mFrame->SetTimer(mTimerId,mDelay,0);//reset delay on update.
return NS_OK;
}
void
CCommandObserver::SetFrame(CFrameWnd *frame,UINT timerId,UINT delay) //update if 100 ticks goes by and no more changes
{
mFrame = frame;
mDelay = delay;
mTimerId = timerId;
}

View File

@ -0,0 +1,24 @@
#pragma once
#include "nsIObserver.h"
class CFrameWnd;
class CCommandObserver : public nsIObserver
{
public:
NS_DECL_ISUPPORTS
CCommandObserver();
~CCommandObserver(){}
//NSIOBSERVER
NS_DECL_NSIOBSERVER
//CCommandObserver
void SetFrame(CFrameWnd *frame,UINT timerId,UINT delay); //update if 100 ticks goes by and no more changes
private:
CFrameWnd *mFrame;
UINT mDelay;
UINT mTimerId;
};