1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsDocShellEditorData.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsComponentManagerUtils.h"
#include "nsPIDOMWindow.h"
#include "nsIDocument.h"
#include "nsIDOMDocument.h"
#include "nsIEditor.h"
#include "nsIEditingSession.h"
#include "nsIDocShell.h"
nsDocShellEditorData::nsDocShellEditorData(nsIDocShell* aOwningDocShell)
: mDocShell(aOwningDocShell)
, mMakeEditable(false)
, mIsDetached(false)
, mDetachedMakeEditable(false)
, mDetachedEditingState(nsIHTMLDocument::eOff)
{
NS_ASSERTION(mDocShell, "Where is my docShell?");
}
nsDocShellEditorData::~nsDocShellEditorData()
{
TearDownEditor();
}
void
nsDocShellEditorData::TearDownEditor()
{
if (mEditor) {
mEditor->PreDestroy(false);
mEditor = nullptr;
}
mEditingSession = nullptr;
mIsDetached = false;
}
nsresult
nsDocShellEditorData::MakeEditable(bool aInWaitForUriLoad)
{
if (mMakeEditable) {
return NS_OK;
}
// if we are already editable, and are getting turned off,
// nuke the editor.
if (mEditor) {
NS_WARNING("Destroying existing editor on frame");
mEditor->PreDestroy(false);
mEditor = nullptr;
}
if (aInWaitForUriLoad) {
mMakeEditable = true;
}
return NS_OK;
}
bool
nsDocShellEditorData::GetEditable()
{
return mMakeEditable || (mEditor != nullptr);
}
nsresult
nsDocShellEditorData::CreateEditor()
{
nsCOMPtr<nsIEditingSession> editingSession;
nsresult rv = GetEditingSession(getter_AddRefs(editingSession));
if (NS_FAILED(rv)) {
return rv;
}
nsCOMPtr<nsPIDOMWindowOuter> domWindow =
mDocShell ? mDocShell->GetWindow() : nullptr;
rv = editingSession->SetupEditorOnWindow(domWindow);
if (NS_FAILED(rv)) {
return rv;
}
return NS_OK;
}
nsresult
nsDocShellEditorData::GetEditingSession(nsIEditingSession** aResult)
{
nsresult rv = EnsureEditingSession();
NS_ENSURE_SUCCESS(rv, rv);
NS_ADDREF(*aResult = mEditingSession);
return NS_OK;
}
nsresult
nsDocShellEditorData::GetEditor(nsIEditor** aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
NS_IF_ADDREF(*aResult = mEditor);
return NS_OK;
}
nsresult
nsDocShellEditorData::SetEditor(nsIEditor* aEditor)
{
// destroy any editor that we have. Checks for equality are
// necessary to ensure that assigment into the nsCOMPtr does
// not temporarily reduce the refCount of the editor to zero
if (mEditor.get() != aEditor) {
if (mEditor) {
mEditor->PreDestroy(false);
mEditor = nullptr;
}
mEditor = aEditor; // owning addref
if (!mEditor) {
mMakeEditable = false;
}
}
return NS_OK;
}
// This creates the editing session on the content docShell that owns 'this'.
nsresult
nsDocShellEditorData::EnsureEditingSession()
{
NS_ASSERTION(mDocShell, "Should have docShell here");
NS_ASSERTION(!mIsDetached, "This will stomp editing session!");
nsresult rv = NS_OK;
if (!mEditingSession) {
mEditingSession =
do_CreateInstance("@mozilla.org/editor/editingsession;1", &rv);
}
return rv;
}
nsresult
nsDocShellEditorData::DetachFromWindow()
{
NS_ASSERTION(mEditingSession,
"Can't detach when we don't have a session to detach!");
nsCOMPtr<nsPIDOMWindowOuter> domWindow =
mDocShell ? mDocShell->GetWindow() : nullptr;
nsresult rv = mEditingSession->DetachFromWindow(domWindow);
NS_ENSURE_SUCCESS(rv, rv);
mIsDetached = true;
mDetachedMakeEditable = mMakeEditable;
mMakeEditable = false;
nsCOMPtr<nsIDocument> doc = domWindow->GetDoc();
nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(doc);
if (htmlDoc) {
mDetachedEditingState = htmlDoc->GetEditingState();
}
mDocShell = nullptr;
return NS_OK;
}
nsresult
nsDocShellEditorData::ReattachToWindow(nsIDocShell* aDocShell)
{
mDocShell = aDocShell;
nsCOMPtr<nsPIDOMWindowOuter> domWindow =
mDocShell ? mDocShell->GetWindow() : nullptr;
nsresult rv = mEditingSession->ReattachToWindow(domWindow);
NS_ENSURE_SUCCESS(rv, rv);
mIsDetached = false;
mMakeEditable = mDetachedMakeEditable;
nsCOMPtr<nsIDocument> doc = domWindow->GetDoc();
nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(doc);
if (htmlDoc) {
htmlDoc->SetEditingState(mDetachedEditingState);
}
return NS_OK;
}
|
