1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/docshell/base/nsDocShellEditorData.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,242 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + *
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +
1.11 +#include "nsDocShellEditorData.h"
1.12 +#include "nsIInterfaceRequestorUtils.h"
1.13 +#include "nsComponentManagerUtils.h"
1.14 +#include "nsIDOMWindow.h"
1.15 +#include "nsIDOMDocument.h"
1.16 +#include "nsIEditor.h"
1.17 +#include "nsIEditingSession.h"
1.18 +#include "nsIDocShell.h"
1.19 +
1.20 +/*---------------------------------------------------------------------------
1.21 +
1.22 + nsDocShellEditorData
1.23 +
1.24 +----------------------------------------------------------------------------*/
1.25 +
1.26 +nsDocShellEditorData::nsDocShellEditorData(nsIDocShell* inOwningDocShell)
1.27 +: mDocShell(inOwningDocShell)
1.28 +, mMakeEditable(false)
1.29 +, mIsDetached(false)
1.30 +, mDetachedMakeEditable(false)
1.31 +, mDetachedEditingState(nsIHTMLDocument::eOff)
1.32 +{
1.33 + NS_ASSERTION(mDocShell, "Where is my docShell?");
1.34 +}
1.35 +
1.36 +
1.37 +/*---------------------------------------------------------------------------
1.38 +
1.39 + ~nsDocShellEditorData
1.40 +
1.41 +----------------------------------------------------------------------------*/
1.42 +nsDocShellEditorData::~nsDocShellEditorData()
1.43 +{
1.44 + TearDownEditor();
1.45 +}
1.46 +
1.47 +void
1.48 +nsDocShellEditorData::TearDownEditor()
1.49 +{
1.50 + if (mEditor) {
1.51 + mEditor->PreDestroy(false);
1.52 + mEditor = nullptr;
1.53 + }
1.54 + mEditingSession = nullptr;
1.55 + mIsDetached = false;
1.56 +}
1.57 +
1.58 +
1.59 +/*---------------------------------------------------------------------------
1.60 +
1.61 + MakeEditable
1.62 +
1.63 +----------------------------------------------------------------------------*/
1.64 +nsresult
1.65 +nsDocShellEditorData::MakeEditable(bool inWaitForUriLoad)
1.66 +{
1.67 + if (mMakeEditable)
1.68 + return NS_OK;
1.69 +
1.70 + // if we are already editable, and are getting turned off,
1.71 + // nuke the editor.
1.72 + if (mEditor)
1.73 + {
1.74 + NS_WARNING("Destroying existing editor on frame");
1.75 +
1.76 + mEditor->PreDestroy(false);
1.77 + mEditor = nullptr;
1.78 + }
1.79 +
1.80 + if (inWaitForUriLoad)
1.81 + mMakeEditable = true;
1.82 + return NS_OK;
1.83 +}
1.84 +
1.85 +
1.86 +/*---------------------------------------------------------------------------
1.87 +
1.88 + GetEditable
1.89 +
1.90 +----------------------------------------------------------------------------*/
1.91 +bool
1.92 +nsDocShellEditorData::GetEditable()
1.93 +{
1.94 + return mMakeEditable || (mEditor != nullptr);
1.95 +}
1.96 +
1.97 +/*---------------------------------------------------------------------------
1.98 +
1.99 + CreateEditor
1.100 +
1.101 +----------------------------------------------------------------------------*/
1.102 +nsresult
1.103 +nsDocShellEditorData::CreateEditor()
1.104 +{
1.105 + nsCOMPtr<nsIEditingSession> editingSession;
1.106 + nsresult rv = GetEditingSession(getter_AddRefs(editingSession));
1.107 + if (NS_FAILED(rv)) return rv;
1.108 +
1.109 + nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(mDocShell);
1.110 + rv = editingSession->SetupEditorOnWindow(domWindow);
1.111 + if (NS_FAILED(rv)) return rv;
1.112 +
1.113 + return NS_OK;
1.114 +}
1.115 +
1.116 +
1.117 +/*---------------------------------------------------------------------------
1.118 +
1.119 + GetEditingSession
1.120 +
1.121 +----------------------------------------------------------------------------*/
1.122 +nsresult
1.123 +nsDocShellEditorData::GetEditingSession(nsIEditingSession **outEditingSession)
1.124 +{
1.125 + nsresult rv = EnsureEditingSession();
1.126 + NS_ENSURE_SUCCESS(rv, rv);
1.127 +
1.128 + NS_ADDREF(*outEditingSession = mEditingSession);
1.129 +
1.130 + return NS_OK;
1.131 +}
1.132 +
1.133 +
1.134 +/*---------------------------------------------------------------------------
1.135 +
1.136 + GetEditor
1.137 +
1.138 +----------------------------------------------------------------------------*/
1.139 +nsresult
1.140 +nsDocShellEditorData::GetEditor(nsIEditor **outEditor)
1.141 +{
1.142 + NS_ENSURE_ARG_POINTER(outEditor);
1.143 + NS_IF_ADDREF(*outEditor = mEditor);
1.144 + return NS_OK;
1.145 +}
1.146 +
1.147 +
1.148 +/*---------------------------------------------------------------------------
1.149 +
1.150 + SetEditor
1.151 +
1.152 +----------------------------------------------------------------------------*/
1.153 +nsresult
1.154 +nsDocShellEditorData::SetEditor(nsIEditor *inEditor)
1.155 +{
1.156 + // destroy any editor that we have. Checks for equality are
1.157 + // necessary to ensure that assigment into the nsCOMPtr does
1.158 + // not temporarily reduce the refCount of the editor to zero
1.159 + if (mEditor.get() != inEditor)
1.160 + {
1.161 + if (mEditor)
1.162 + {
1.163 + mEditor->PreDestroy(false);
1.164 + mEditor = nullptr;
1.165 + }
1.166 +
1.167 + mEditor = inEditor; // owning addref
1.168 + if (!mEditor)
1.169 + mMakeEditable = false;
1.170 + }
1.171 +
1.172 + return NS_OK;
1.173 +}
1.174 +
1.175 +
1.176 +/*---------------------------------------------------------------------------
1.177 +
1.178 + EnsureEditingSession
1.179 +
1.180 + This creates the editing session on the content docShell that owns
1.181 + 'this'.
1.182 +
1.183 +----------------------------------------------------------------------------*/
1.184 +nsresult
1.185 +nsDocShellEditorData::EnsureEditingSession()
1.186 +{
1.187 + NS_ASSERTION(mDocShell, "Should have docShell here");
1.188 + NS_ASSERTION(!mIsDetached, "This will stomp editing session!");
1.189 +
1.190 + nsresult rv = NS_OK;
1.191 +
1.192 + if (!mEditingSession)
1.193 + {
1.194 + mEditingSession =
1.195 + do_CreateInstance("@mozilla.org/editor/editingsession;1", &rv);
1.196 + }
1.197 +
1.198 + return rv;
1.199 +}
1.200 +
1.201 +nsresult
1.202 +nsDocShellEditorData::DetachFromWindow()
1.203 +{
1.204 + NS_ASSERTION(mEditingSession,
1.205 + "Can't detach when we don't have a session to detach!");
1.206 +
1.207 + nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(mDocShell);
1.208 + nsresult rv = mEditingSession->DetachFromWindow(domWindow);
1.209 + NS_ENSURE_SUCCESS(rv, rv);
1.210 +
1.211 + mIsDetached = true;
1.212 + mDetachedMakeEditable = mMakeEditable;
1.213 + mMakeEditable = false;
1.214 +
1.215 + nsCOMPtr<nsIDOMDocument> domDoc;
1.216 + domWindow->GetDocument(getter_AddRefs(domDoc));
1.217 + nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(domDoc);
1.218 + if (htmlDoc)
1.219 + mDetachedEditingState = htmlDoc->GetEditingState();
1.220 +
1.221 + mDocShell = nullptr;
1.222 +
1.223 + return NS_OK;
1.224 +}
1.225 +
1.226 +nsresult
1.227 +nsDocShellEditorData::ReattachToWindow(nsIDocShell* aDocShell)
1.228 +{
1.229 + mDocShell = aDocShell;
1.230 +
1.231 + nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(mDocShell);
1.232 + nsresult rv = mEditingSession->ReattachToWindow(domWindow);
1.233 + NS_ENSURE_SUCCESS(rv, rv);
1.234 +
1.235 + mIsDetached = false;
1.236 + mMakeEditable = mDetachedMakeEditable;
1.237 +
1.238 + nsCOMPtr<nsIDOMDocument> domDoc;
1.239 + domWindow->GetDocument(getter_AddRefs(domDoc));
1.240 + nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(domDoc);
1.241 + if (htmlDoc)
1.242 + htmlDoc->SetEditingState(mDetachedEditingState);
1.243 +
1.244 + return NS_OK;
1.245 +}
