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comparison: docshell/base/nsDocShellEditorData.cpp
docshell/base/nsDocShellEditorData.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:dce4432bc841 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * | |
| 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/. */ | |
| 6 | |
| 7 | |
| 8 #include "nsDocShellEditorData.h" | |
| 9 #include "nsIInterfaceRequestorUtils.h" | |
| 10 #include "nsComponentManagerUtils.h" | |
| 11 #include "nsIDOMWindow.h" | |
| 12 #include "nsIDOMDocument.h" | |
| 13 #include "nsIEditor.h" | |
| 14 #include "nsIEditingSession.h" | |
| 15 #include "nsIDocShell.h" | |
| 16 | |
| 17 /*--------------------------------------------------------------------------- | |
| 18 | |
| 19 nsDocShellEditorData | |
| 20 | |
| 21 ----------------------------------------------------------------------------*/ | |
| 22 | |
| 23 nsDocShellEditorData::nsDocShellEditorData(nsIDocShell* inOwningDocShell) | |
| 24 : mDocShell(inOwningDocShell) | |
| 25 , mMakeEditable(false) | |
| 26 , mIsDetached(false) | |
| 27 , mDetachedMakeEditable(false) | |
| 28 , mDetachedEditingState(nsIHTMLDocument::eOff) | |
| 29 { | |
| 30 NS_ASSERTION(mDocShell, "Where is my docShell?"); | |
| 31 } | |
| 32 | |
| 33 | |
| 34 /*--------------------------------------------------------------------------- | |
| 35 | |
| 36 ~nsDocShellEditorData | |
| 37 | |
| 38 ----------------------------------------------------------------------------*/ | |
| 39 nsDocShellEditorData::~nsDocShellEditorData() | |
| 40 { | |
| 41 TearDownEditor(); | |
| 42 } | |
| 43 | |
| 44 void | |
| 45 nsDocShellEditorData::TearDownEditor() | |
| 46 { | |
| 47 if (mEditor) { | |
| 48 mEditor->PreDestroy(false); | |
| 49 mEditor = nullptr; | |
| 50 } | |
| 51 mEditingSession = nullptr; | |
| 52 mIsDetached = false; | |
| 53 } | |
| 54 | |
| 55 | |
| 56 /*--------------------------------------------------------------------------- | |
| 57 | |
| 58 MakeEditable | |
| 59 | |
| 60 ----------------------------------------------------------------------------*/ | |
| 61 nsresult | |
| 62 nsDocShellEditorData::MakeEditable(bool inWaitForUriLoad) | |
| 63 { | |
| 64 if (mMakeEditable) | |
| 65 return NS_OK; | |
| 66 | |
| 67 // if we are already editable, and are getting turned off, | |
| 68 // nuke the editor. | |
| 69 if (mEditor) | |
| 70 { | |
| 71 NS_WARNING("Destroying existing editor on frame"); | |
| 72 | |
| 73 mEditor->PreDestroy(false); | |
| 74 mEditor = nullptr; | |
| 75 } | |
| 76 | |
| 77 if (inWaitForUriLoad) | |
| 78 mMakeEditable = true; | |
| 79 return NS_OK; | |
| 80 } | |
| 81 | |
| 82 | |
| 83 /*--------------------------------------------------------------------------- | |
| 84 | |
| 85 GetEditable | |
| 86 | |
| 87 ----------------------------------------------------------------------------*/ | |
| 88 bool | |
| 89 nsDocShellEditorData::GetEditable() | |
| 90 { | |
| 91 return mMakeEditable || (mEditor != nullptr); | |
| 92 } | |
| 93 | |
| 94 /*--------------------------------------------------------------------------- | |
| 95 | |
| 96 CreateEditor | |
| 97 | |
| 98 ----------------------------------------------------------------------------*/ | |
| 99 nsresult | |
| 100 nsDocShellEditorData::CreateEditor() | |
| 101 { | |
| 102 nsCOMPtr<nsIEditingSession> editingSession; | |
| 103 nsresult rv = GetEditingSession(getter_AddRefs(editingSession)); | |
| 104 if (NS_FAILED(rv)) return rv; | |
| 105 | |
| 106 nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(mDocShell); | |
| 107 rv = editingSession->SetupEditorOnWindow(domWindow); | |
| 108 if (NS_FAILED(rv)) return rv; | |
| 109 | |
| 110 return NS_OK; | |
| 111 } | |
| 112 | |
| 113 | |
| 114 /*--------------------------------------------------------------------------- | |
| 115 | |
| 116 GetEditingSession | |
| 117 | |
| 118 ----------------------------------------------------------------------------*/ | |
| 119 nsresult | |
| 120 nsDocShellEditorData::GetEditingSession(nsIEditingSession **outEditingSession) | |
| 121 { | |
| 122 nsresult rv = EnsureEditingSession(); | |
| 123 NS_ENSURE_SUCCESS(rv, rv); | |
| 124 | |
| 125 NS_ADDREF(*outEditingSession = mEditingSession); | |
| 126 | |
| 127 return NS_OK; | |
| 128 } | |
| 129 | |
| 130 | |
| 131 /*--------------------------------------------------------------------------- | |
| 132 | |
| 133 GetEditor | |
| 134 | |
| 135 ----------------------------------------------------------------------------*/ | |
| 136 nsresult | |
| 137 nsDocShellEditorData::GetEditor(nsIEditor **outEditor) | |
| 138 { | |
| 139 NS_ENSURE_ARG_POINTER(outEditor); | |
| 140 NS_IF_ADDREF(*outEditor = mEditor); | |
| 141 return NS_OK; | |
| 142 } | |
| 143 | |
| 144 | |
| 145 /*--------------------------------------------------------------------------- | |
| 146 | |
| 147 SetEditor | |
| 148 | |
| 149 ----------------------------------------------------------------------------*/ | |
| 150 nsresult | |
| 151 nsDocShellEditorData::SetEditor(nsIEditor *inEditor) | |
| 152 { | |
| 153 // destroy any editor that we have. Checks for equality are | |
| 154 // necessary to ensure that assigment into the nsCOMPtr does | |
| 155 // not temporarily reduce the refCount of the editor to zero | |
| 156 if (mEditor.get() != inEditor) | |
| 157 { | |
| 158 if (mEditor) | |
| 159 { | |
| 160 mEditor->PreDestroy(false); | |
| 161 mEditor = nullptr; | |
| 162 } | |
| 163 | |
| 164 mEditor = inEditor; // owning addref | |
| 165 if (!mEditor) | |
| 166 mMakeEditable = false; | |
| 167 } | |
| 168 | |
| 169 return NS_OK; | |
| 170 } | |
| 171 | |
| 172 | |
| 173 /*--------------------------------------------------------------------------- | |
| 174 | |
| 175 EnsureEditingSession | |
| 176 | |
| 177 This creates the editing session on the content docShell that owns | |
| 178 'this'. | |
| 179 | |
| 180 ----------------------------------------------------------------------------*/ | |
| 181 nsresult | |
| 182 nsDocShellEditorData::EnsureEditingSession() | |
| 183 { | |
| 184 NS_ASSERTION(mDocShell, "Should have docShell here"); | |
| 185 NS_ASSERTION(!mIsDetached, "This will stomp editing session!"); | |
| 186 | |
| 187 nsresult rv = NS_OK; | |
| 188 | |
| 189 if (!mEditingSession) | |
| 190 { | |
| 191 mEditingSession = | |
| 192 do_CreateInstance("@mozilla.org/editor/editingsession;1", &rv); | |
| 193 } | |
| 194 | |
| 195 return rv; | |
| 196 } | |
| 197 | |
| 198 nsresult | |
| 199 nsDocShellEditorData::DetachFromWindow() | |
| 200 { | |
| 201 NS_ASSERTION(mEditingSession, | |
| 202 "Can't detach when we don't have a session to detach!"); | |
| 203 | |
| 204 nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(mDocShell); | |
| 205 nsresult rv = mEditingSession->DetachFromWindow(domWindow); | |
| 206 NS_ENSURE_SUCCESS(rv, rv); | |
| 207 | |
| 208 mIsDetached = true; | |
| 209 mDetachedMakeEditable = mMakeEditable; | |
| 210 mMakeEditable = false; | |
| 211 | |
| 212 nsCOMPtr<nsIDOMDocument> domDoc; | |
| 213 domWindow->GetDocument(getter_AddRefs(domDoc)); | |
| 214 nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(domDoc); | |
| 215 if (htmlDoc) | |
| 216 mDetachedEditingState = htmlDoc->GetEditingState(); | |
| 217 | |
| 218 mDocShell = nullptr; | |
| 219 | |
| 220 return NS_OK; | |
| 221 } | |
| 222 | |
| 223 nsresult | |
| 224 nsDocShellEditorData::ReattachToWindow(nsIDocShell* aDocShell) | |
| 225 { | |
| 226 mDocShell = aDocShell; | |
| 227 | |
| 228 nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(mDocShell); | |
| 229 nsresult rv = mEditingSession->ReattachToWindow(domWindow); | |
| 230 NS_ENSURE_SUCCESS(rv, rv); | |
| 231 | |
| 232 mIsDetached = false; | |
| 233 mMakeEditable = mDetachedMakeEditable; | |
| 234 | |
| 235 nsCOMPtr<nsIDOMDocument> domDoc; | |
| 236 domWindow->GetDocument(getter_AddRefs(domDoc)); | |
| 237 nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(domDoc); | |
| 238 if (htmlDoc) | |
| 239 htmlDoc->SetEditingState(mDetachedEditingState); | |
| 240 | |
| 241 return NS_OK; | |
| 242 } |
