no bug - Bumping Firefox l10n changesets r=release a=l10n-bump DONTBUILD CLOSED TREE
[gecko.git] / docshell / base / nsDocShellEditorData.cpp
blob6fe132a9775eea351f82063dc1bf36e75e4d8288
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #include "nsDocShellEditorData.h"
9 #include "mozilla/dom/Document.h"
10 #include "mozilla/HTMLEditor.h"
11 #include "nsIInterfaceRequestorUtils.h"
12 #include "nsComponentManagerUtils.h"
13 #include "nsPIDOMWindow.h"
14 #include "nsEditingSession.h"
15 #include "nsIDocShell.h"
17 using namespace mozilla;
18 using namespace mozilla::dom;
20 nsDocShellEditorData::nsDocShellEditorData(nsIDocShell* aOwningDocShell)
21 : mDocShell(aOwningDocShell),
22 mDetachedEditingState(Document::EditingState::eOff),
23 mMakeEditable(false),
24 mIsDetached(false),
25 mDetachedMakeEditable(false) {
26 NS_ASSERTION(mDocShell, "Where is my docShell?");
29 nsDocShellEditorData::~nsDocShellEditorData() { TearDownEditor(); }
31 void nsDocShellEditorData::TearDownEditor() {
32 if (mHTMLEditor) {
33 RefPtr<HTMLEditor> htmlEditor = std::move(mHTMLEditor);
34 htmlEditor->PreDestroy();
36 mEditingSession = nullptr;
37 mIsDetached = false;
40 nsresult nsDocShellEditorData::MakeEditable(bool aInWaitForUriLoad) {
41 if (mMakeEditable) {
42 return NS_OK;
45 // if we are already editable, and are getting turned off,
46 // nuke the editor.
47 if (mHTMLEditor) {
48 NS_WARNING("Destroying existing editor on frame");
50 RefPtr<HTMLEditor> htmlEditor = std::move(mHTMLEditor);
51 htmlEditor->PreDestroy();
54 if (aInWaitForUriLoad) {
55 mMakeEditable = true;
57 return NS_OK;
60 bool nsDocShellEditorData::GetEditable() {
61 return mMakeEditable || (mHTMLEditor != nullptr);
64 nsEditingSession* nsDocShellEditorData::GetEditingSession() {
65 EnsureEditingSession();
67 return mEditingSession.get();
70 nsresult nsDocShellEditorData::SetHTMLEditor(HTMLEditor* aHTMLEditor) {
71 // destroy any editor that we have. Checks for equality are
72 // necessary to ensure that assigment into the nsCOMPtr does
73 // not temporarily reduce the refCount of the editor to zero
74 if (mHTMLEditor == aHTMLEditor) {
75 return NS_OK;
78 if (mHTMLEditor) {
79 RefPtr<HTMLEditor> htmlEditor = std::move(mHTMLEditor);
80 htmlEditor->PreDestroy();
81 MOZ_ASSERT(!mHTMLEditor,
82 "Nested call of nsDocShellEditorData::SetHTMLEditor() detected");
85 mHTMLEditor = aHTMLEditor; // owning addref
86 if (!mHTMLEditor) {
87 mMakeEditable = false;
90 return NS_OK;
93 // This creates the editing session on the content docShell that owns 'this'.
94 void nsDocShellEditorData::EnsureEditingSession() {
95 NS_ASSERTION(mDocShell, "Should have docShell here");
96 NS_ASSERTION(!mIsDetached, "This will stomp editing session!");
98 if (!mEditingSession) {
99 mEditingSession = new nsEditingSession();
103 nsresult nsDocShellEditorData::DetachFromWindow() {
104 NS_ASSERTION(mEditingSession,
105 "Can't detach when we don't have a session to detach!");
107 nsCOMPtr<nsPIDOMWindowOuter> domWindow =
108 mDocShell ? mDocShell->GetWindow() : nullptr;
109 nsresult rv = mEditingSession->DetachFromWindow(domWindow);
110 NS_ENSURE_SUCCESS(rv, rv);
112 mIsDetached = true;
113 mDetachedMakeEditable = mMakeEditable;
114 mMakeEditable = false;
116 nsCOMPtr<dom::Document> doc = domWindow->GetDoc();
117 mDetachedEditingState = doc->GetEditingState();
119 mDocShell = nullptr;
121 return NS_OK;
124 nsresult nsDocShellEditorData::ReattachToWindow(nsIDocShell* aDocShell) {
125 mDocShell = aDocShell;
127 nsCOMPtr<nsPIDOMWindowOuter> domWindow =
128 mDocShell ? mDocShell->GetWindow() : nullptr;
129 nsresult rv = mEditingSession->ReattachToWindow(domWindow);
130 NS_ENSURE_SUCCESS(rv, rv);
132 mIsDetached = false;
133 mMakeEditable = mDetachedMakeEditable;
135 RefPtr<dom::Document> doc = domWindow->GetDoc();
136 doc->SetEditingState(mDetachedEditingState);
138 return NS_OK;