LCOV - code coverage report
Current view: directory - docshell/base - nsDocShellEditorData.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 87 0 0.0 %
Date: 2012-06-02 Functions: 12 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2                 :  *
       3                 :  * ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is the Mozilla browser.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Netscape Communications, Inc.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 1999
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Simon Fraser <sfraser@netscape.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      28                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : 
      41                 : #include "nsIComponentManager.h"
      42                 : #include "nsIInterfaceRequestorUtils.h"
      43                 : #include "nsIDOMWindow.h"
      44                 : #include "nsIDocShellTreeItem.h"
      45                 : #include "nsIDOMDocument.h"
      46                 : #include "nsDocShellEditorData.h"
      47                 : 
      48                 : /*---------------------------------------------------------------------------
      49                 : 
      50                 :   nsDocShellEditorData
      51                 : 
      52                 : ----------------------------------------------------------------------------*/
      53                 : 
      54               0 : nsDocShellEditorData::nsDocShellEditorData(nsIDocShell* inOwningDocShell)
      55                 : : mDocShell(inOwningDocShell)
      56                 : , mMakeEditable(false)
      57                 : , mIsDetached(false)
      58                 : , mDetachedMakeEditable(false)
      59               0 : , mDetachedEditingState(nsIHTMLDocument::eOff)
      60                 : {
      61               0 :   NS_ASSERTION(mDocShell, "Where is my docShell?");
      62               0 : }
      63                 : 
      64                 : 
      65                 : /*---------------------------------------------------------------------------
      66                 : 
      67                 :   ~nsDocShellEditorData
      68                 : 
      69                 : ----------------------------------------------------------------------------*/
      70               0 : nsDocShellEditorData::~nsDocShellEditorData()
      71                 : {
      72               0 :   TearDownEditor();
      73               0 : }
      74                 : 
      75                 : void
      76               0 : nsDocShellEditorData::TearDownEditor()
      77                 : {
      78               0 :   if (mEditor) {
      79               0 :     mEditor->PreDestroy(false);
      80               0 :     mEditor = nsnull;
      81                 :   }
      82               0 :   mEditingSession = nsnull;
      83               0 :   mIsDetached = false;
      84               0 : }
      85                 : 
      86                 : 
      87                 : /*---------------------------------------------------------------------------
      88                 : 
      89                 :   MakeEditable
      90                 : 
      91                 : ----------------------------------------------------------------------------*/
      92                 : nsresult
      93               0 : nsDocShellEditorData::MakeEditable(bool inWaitForUriLoad)
      94                 : {
      95               0 :   if (mMakeEditable)
      96               0 :     return NS_OK;
      97                 :   
      98                 :   // if we are already editable, and are getting turned off,
      99                 :   // nuke the editor.
     100               0 :   if (mEditor)
     101                 :   {
     102               0 :     NS_WARNING("Destroying existing editor on frame");
     103                 :     
     104               0 :     mEditor->PreDestroy(false);
     105               0 :     mEditor = nsnull;
     106                 :   }
     107                 :   
     108               0 :   if (inWaitForUriLoad)
     109               0 :     mMakeEditable = true;
     110               0 :   return NS_OK;
     111                 : }
     112                 : 
     113                 : 
     114                 : /*---------------------------------------------------------------------------
     115                 : 
     116                 :   GetEditable
     117                 : 
     118                 : ----------------------------------------------------------------------------*/
     119                 : bool
     120               0 : nsDocShellEditorData::GetEditable()
     121                 : {
     122               0 :   return mMakeEditable || (mEditor != nsnull);
     123                 : }
     124                 : 
     125                 : /*---------------------------------------------------------------------------
     126                 : 
     127                 :   CreateEditor
     128                 : 
     129                 : ----------------------------------------------------------------------------*/
     130                 : nsresult
     131               0 : nsDocShellEditorData::CreateEditor()
     132                 : {
     133               0 :   nsCOMPtr<nsIEditingSession>   editingSession;    
     134               0 :   nsresult rv = GetEditingSession(getter_AddRefs(editingSession));
     135               0 :   if (NS_FAILED(rv)) return rv;
     136                 :   
     137               0 :   nsCOMPtr<nsIDOMWindow>    domWindow = do_GetInterface(mDocShell);
     138               0 :   rv = editingSession->SetupEditorOnWindow(domWindow);
     139               0 :   if (NS_FAILED(rv)) return rv;
     140                 :   
     141               0 :   return NS_OK;
     142                 : }
     143                 : 
     144                 : 
     145                 : /*---------------------------------------------------------------------------
     146                 : 
     147                 :   GetEditingSession
     148                 : 
     149                 : ----------------------------------------------------------------------------*/
     150                 : nsresult
     151               0 : nsDocShellEditorData::GetEditingSession(nsIEditingSession **outEditingSession)
     152                 : {
     153               0 :   nsresult rv = EnsureEditingSession();
     154               0 :   NS_ENSURE_SUCCESS(rv, rv);
     155                 : 
     156               0 :   NS_ADDREF(*outEditingSession = mEditingSession);
     157                 : 
     158               0 :   return NS_OK;
     159                 : }
     160                 : 
     161                 : 
     162                 : /*---------------------------------------------------------------------------
     163                 : 
     164                 :   GetEditor
     165                 : 
     166                 : ----------------------------------------------------------------------------*/
     167                 : nsresult
     168               0 : nsDocShellEditorData::GetEditor(nsIEditor **outEditor)
     169                 : {
     170               0 :   NS_ENSURE_ARG_POINTER(outEditor);
     171               0 :   NS_IF_ADDREF(*outEditor = mEditor);
     172               0 :   return NS_OK;
     173                 : }
     174                 : 
     175                 : 
     176                 : /*---------------------------------------------------------------------------
     177                 : 
     178                 :   SetEditor
     179                 : 
     180                 : ----------------------------------------------------------------------------*/
     181                 : nsresult
     182               0 : nsDocShellEditorData::SetEditor(nsIEditor *inEditor)
     183                 : {
     184                 :   // destroy any editor that we have. Checks for equality are
     185                 :   // necessary to ensure that assigment into the nsCOMPtr does
     186                 :   // not temporarily reduce the refCount of the editor to zero
     187               0 :   if (mEditor.get() != inEditor)
     188                 :   {
     189               0 :     if (mEditor)
     190                 :     {
     191               0 :       mEditor->PreDestroy(false);
     192               0 :       mEditor = nsnull;
     193                 :     }
     194                 :       
     195               0 :     mEditor = inEditor;    // owning addref
     196               0 :     if (!mEditor)
     197               0 :       mMakeEditable = false;
     198                 :   }   
     199                 :   
     200               0 :   return NS_OK;
     201                 : }
     202                 : 
     203                 : 
     204                 : /*---------------------------------------------------------------------------
     205                 : 
     206                 :   EnsureEditingSession
     207                 :   
     208                 :   This creates the editing session on the content docShell that owns
     209                 :   'this'.
     210                 : 
     211                 : ----------------------------------------------------------------------------*/
     212                 : nsresult
     213               0 : nsDocShellEditorData::EnsureEditingSession()
     214                 : {
     215               0 :   NS_ASSERTION(mDocShell, "Should have docShell here");
     216               0 :   NS_ASSERTION(!mIsDetached, "This will stomp editing session!");
     217                 :   
     218               0 :   nsresult rv = NS_OK;
     219                 :   
     220               0 :   if (!mEditingSession)
     221                 :   {
     222                 :     mEditingSession =
     223               0 :       do_CreateInstance("@mozilla.org/editor/editingsession;1", &rv);
     224                 :   }
     225                 : 
     226               0 :   return rv;
     227                 : }
     228                 : 
     229                 : nsresult
     230               0 : nsDocShellEditorData::DetachFromWindow()
     231                 : {
     232               0 :   NS_ASSERTION(mEditingSession,
     233                 :                "Can't detach when we don't have a session to detach!");
     234                 :   
     235               0 :   nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(mDocShell);
     236               0 :   nsresult rv = mEditingSession->DetachFromWindow(domWindow);
     237               0 :   NS_ENSURE_SUCCESS(rv, rv);
     238                 : 
     239               0 :   mIsDetached = true;
     240               0 :   mDetachedMakeEditable = mMakeEditable;
     241               0 :   mMakeEditable = false;
     242                 : 
     243               0 :   nsCOMPtr<nsIDOMDocument> domDoc;
     244               0 :   domWindow->GetDocument(getter_AddRefs(domDoc));
     245               0 :   nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(domDoc);
     246               0 :   if (htmlDoc)
     247               0 :     mDetachedEditingState = htmlDoc->GetEditingState();
     248                 : 
     249               0 :   mDocShell = nsnull;
     250                 : 
     251               0 :   return NS_OK;
     252                 : }
     253                 : 
     254                 : nsresult
     255               0 : nsDocShellEditorData::ReattachToWindow(nsIDocShell* aDocShell)
     256                 : {
     257               0 :   mDocShell = aDocShell;
     258                 : 
     259               0 :   nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(mDocShell);
     260               0 :   nsresult rv = mEditingSession->ReattachToWindow(domWindow);
     261               0 :   NS_ENSURE_SUCCESS(rv, rv);
     262                 : 
     263               0 :   mIsDetached = false;
     264               0 :   mMakeEditable = mDetachedMakeEditable;
     265                 : 
     266               0 :   nsCOMPtr<nsIDOMDocument> domDoc;
     267               0 :   domWindow->GetDocument(getter_AddRefs(domDoc));
     268               0 :   nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(domDoc);
     269               0 :   if (htmlDoc)
     270               0 :     htmlDoc->SetEditingState(mDetachedEditingState);
     271                 :  
     272               0 :   return NS_OK;
     273                 : }

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