Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
michael@0 | 2 | * |
michael@0 | 3 | * This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 6 | |
michael@0 | 7 | |
michael@0 | 8 | #include "nsDocShellEditorData.h" |
michael@0 | 9 | #include "nsIInterfaceRequestorUtils.h" |
michael@0 | 10 | #include "nsComponentManagerUtils.h" |
michael@0 | 11 | #include "nsIDOMWindow.h" |
michael@0 | 12 | #include "nsIDOMDocument.h" |
michael@0 | 13 | #include "nsIEditor.h" |
michael@0 | 14 | #include "nsIEditingSession.h" |
michael@0 | 15 | #include "nsIDocShell.h" |
michael@0 | 16 | |
michael@0 | 17 | /*--------------------------------------------------------------------------- |
michael@0 | 18 | |
michael@0 | 19 | nsDocShellEditorData |
michael@0 | 20 | |
michael@0 | 21 | ----------------------------------------------------------------------------*/ |
michael@0 | 22 | |
michael@0 | 23 | nsDocShellEditorData::nsDocShellEditorData(nsIDocShell* inOwningDocShell) |
michael@0 | 24 | : mDocShell(inOwningDocShell) |
michael@0 | 25 | , mMakeEditable(false) |
michael@0 | 26 | , mIsDetached(false) |
michael@0 | 27 | , mDetachedMakeEditable(false) |
michael@0 | 28 | , mDetachedEditingState(nsIHTMLDocument::eOff) |
michael@0 | 29 | { |
michael@0 | 30 | NS_ASSERTION(mDocShell, "Where is my docShell?"); |
michael@0 | 31 | } |
michael@0 | 32 | |
michael@0 | 33 | |
michael@0 | 34 | /*--------------------------------------------------------------------------- |
michael@0 | 35 | |
michael@0 | 36 | ~nsDocShellEditorData |
michael@0 | 37 | |
michael@0 | 38 | ----------------------------------------------------------------------------*/ |
michael@0 | 39 | nsDocShellEditorData::~nsDocShellEditorData() |
michael@0 | 40 | { |
michael@0 | 41 | TearDownEditor(); |
michael@0 | 42 | } |
michael@0 | 43 | |
michael@0 | 44 | void |
michael@0 | 45 | nsDocShellEditorData::TearDownEditor() |
michael@0 | 46 | { |
michael@0 | 47 | if (mEditor) { |
michael@0 | 48 | mEditor->PreDestroy(false); |
michael@0 | 49 | mEditor = nullptr; |
michael@0 | 50 | } |
michael@0 | 51 | mEditingSession = nullptr; |
michael@0 | 52 | mIsDetached = false; |
michael@0 | 53 | } |
michael@0 | 54 | |
michael@0 | 55 | |
michael@0 | 56 | /*--------------------------------------------------------------------------- |
michael@0 | 57 | |
michael@0 | 58 | MakeEditable |
michael@0 | 59 | |
michael@0 | 60 | ----------------------------------------------------------------------------*/ |
michael@0 | 61 | nsresult |
michael@0 | 62 | nsDocShellEditorData::MakeEditable(bool inWaitForUriLoad) |
michael@0 | 63 | { |
michael@0 | 64 | if (mMakeEditable) |
michael@0 | 65 | return NS_OK; |
michael@0 | 66 | |
michael@0 | 67 | // if we are already editable, and are getting turned off, |
michael@0 | 68 | // nuke the editor. |
michael@0 | 69 | if (mEditor) |
michael@0 | 70 | { |
michael@0 | 71 | NS_WARNING("Destroying existing editor on frame"); |
michael@0 | 72 | |
michael@0 | 73 | mEditor->PreDestroy(false); |
michael@0 | 74 | mEditor = nullptr; |
michael@0 | 75 | } |
michael@0 | 76 | |
michael@0 | 77 | if (inWaitForUriLoad) |
michael@0 | 78 | mMakeEditable = true; |
michael@0 | 79 | return NS_OK; |
michael@0 | 80 | } |
michael@0 | 81 | |
michael@0 | 82 | |
michael@0 | 83 | /*--------------------------------------------------------------------------- |
michael@0 | 84 | |
michael@0 | 85 | GetEditable |
michael@0 | 86 | |
michael@0 | 87 | ----------------------------------------------------------------------------*/ |
michael@0 | 88 | bool |
michael@0 | 89 | nsDocShellEditorData::GetEditable() |
michael@0 | 90 | { |
michael@0 | 91 | return mMakeEditable || (mEditor != nullptr); |
michael@0 | 92 | } |
michael@0 | 93 | |
michael@0 | 94 | /*--------------------------------------------------------------------------- |
michael@0 | 95 | |
michael@0 | 96 | CreateEditor |
michael@0 | 97 | |
michael@0 | 98 | ----------------------------------------------------------------------------*/ |
michael@0 | 99 | nsresult |
michael@0 | 100 | nsDocShellEditorData::CreateEditor() |
michael@0 | 101 | { |
michael@0 | 102 | nsCOMPtr<nsIEditingSession> editingSession; |
michael@0 | 103 | nsresult rv = GetEditingSession(getter_AddRefs(editingSession)); |
michael@0 | 104 | if (NS_FAILED(rv)) return rv; |
michael@0 | 105 | |
michael@0 | 106 | nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(mDocShell); |
michael@0 | 107 | rv = editingSession->SetupEditorOnWindow(domWindow); |
michael@0 | 108 | if (NS_FAILED(rv)) return rv; |
michael@0 | 109 | |
michael@0 | 110 | return NS_OK; |
michael@0 | 111 | } |
michael@0 | 112 | |
michael@0 | 113 | |
michael@0 | 114 | /*--------------------------------------------------------------------------- |
michael@0 | 115 | |
michael@0 | 116 | GetEditingSession |
michael@0 | 117 | |
michael@0 | 118 | ----------------------------------------------------------------------------*/ |
michael@0 | 119 | nsresult |
michael@0 | 120 | nsDocShellEditorData::GetEditingSession(nsIEditingSession **outEditingSession) |
michael@0 | 121 | { |
michael@0 | 122 | nsresult rv = EnsureEditingSession(); |
michael@0 | 123 | NS_ENSURE_SUCCESS(rv, rv); |
michael@0 | 124 | |
michael@0 | 125 | NS_ADDREF(*outEditingSession = mEditingSession); |
michael@0 | 126 | |
michael@0 | 127 | return NS_OK; |
michael@0 | 128 | } |
michael@0 | 129 | |
michael@0 | 130 | |
michael@0 | 131 | /*--------------------------------------------------------------------------- |
michael@0 | 132 | |
michael@0 | 133 | GetEditor |
michael@0 | 134 | |
michael@0 | 135 | ----------------------------------------------------------------------------*/ |
michael@0 | 136 | nsresult |
michael@0 | 137 | nsDocShellEditorData::GetEditor(nsIEditor **outEditor) |
michael@0 | 138 | { |
michael@0 | 139 | NS_ENSURE_ARG_POINTER(outEditor); |
michael@0 | 140 | NS_IF_ADDREF(*outEditor = mEditor); |
michael@0 | 141 | return NS_OK; |
michael@0 | 142 | } |
michael@0 | 143 | |
michael@0 | 144 | |
michael@0 | 145 | /*--------------------------------------------------------------------------- |
michael@0 | 146 | |
michael@0 | 147 | SetEditor |
michael@0 | 148 | |
michael@0 | 149 | ----------------------------------------------------------------------------*/ |
michael@0 | 150 | nsresult |
michael@0 | 151 | nsDocShellEditorData::SetEditor(nsIEditor *inEditor) |
michael@0 | 152 | { |
michael@0 | 153 | // destroy any editor that we have. Checks for equality are |
michael@0 | 154 | // necessary to ensure that assigment into the nsCOMPtr does |
michael@0 | 155 | // not temporarily reduce the refCount of the editor to zero |
michael@0 | 156 | if (mEditor.get() != inEditor) |
michael@0 | 157 | { |
michael@0 | 158 | if (mEditor) |
michael@0 | 159 | { |
michael@0 | 160 | mEditor->PreDestroy(false); |
michael@0 | 161 | mEditor = nullptr; |
michael@0 | 162 | } |
michael@0 | 163 | |
michael@0 | 164 | mEditor = inEditor; // owning addref |
michael@0 | 165 | if (!mEditor) |
michael@0 | 166 | mMakeEditable = false; |
michael@0 | 167 | } |
michael@0 | 168 | |
michael@0 | 169 | return NS_OK; |
michael@0 | 170 | } |
michael@0 | 171 | |
michael@0 | 172 | |
michael@0 | 173 | /*--------------------------------------------------------------------------- |
michael@0 | 174 | |
michael@0 | 175 | EnsureEditingSession |
michael@0 | 176 | |
michael@0 | 177 | This creates the editing session on the content docShell that owns |
michael@0 | 178 | 'this'. |
michael@0 | 179 | |
michael@0 | 180 | ----------------------------------------------------------------------------*/ |
michael@0 | 181 | nsresult |
michael@0 | 182 | nsDocShellEditorData::EnsureEditingSession() |
michael@0 | 183 | { |
michael@0 | 184 | NS_ASSERTION(mDocShell, "Should have docShell here"); |
michael@0 | 185 | NS_ASSERTION(!mIsDetached, "This will stomp editing session!"); |
michael@0 | 186 | |
michael@0 | 187 | nsresult rv = NS_OK; |
michael@0 | 188 | |
michael@0 | 189 | if (!mEditingSession) |
michael@0 | 190 | { |
michael@0 | 191 | mEditingSession = |
michael@0 | 192 | do_CreateInstance("@mozilla.org/editor/editingsession;1", &rv); |
michael@0 | 193 | } |
michael@0 | 194 | |
michael@0 | 195 | return rv; |
michael@0 | 196 | } |
michael@0 | 197 | |
michael@0 | 198 | nsresult |
michael@0 | 199 | nsDocShellEditorData::DetachFromWindow() |
michael@0 | 200 | { |
michael@0 | 201 | NS_ASSERTION(mEditingSession, |
michael@0 | 202 | "Can't detach when we don't have a session to detach!"); |
michael@0 | 203 | |
michael@0 | 204 | nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(mDocShell); |
michael@0 | 205 | nsresult rv = mEditingSession->DetachFromWindow(domWindow); |
michael@0 | 206 | NS_ENSURE_SUCCESS(rv, rv); |
michael@0 | 207 | |
michael@0 | 208 | mIsDetached = true; |
michael@0 | 209 | mDetachedMakeEditable = mMakeEditable; |
michael@0 | 210 | mMakeEditable = false; |
michael@0 | 211 | |
michael@0 | 212 | nsCOMPtr<nsIDOMDocument> domDoc; |
michael@0 | 213 | domWindow->GetDocument(getter_AddRefs(domDoc)); |
michael@0 | 214 | nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(domDoc); |
michael@0 | 215 | if (htmlDoc) |
michael@0 | 216 | mDetachedEditingState = htmlDoc->GetEditingState(); |
michael@0 | 217 | |
michael@0 | 218 | mDocShell = nullptr; |
michael@0 | 219 | |
michael@0 | 220 | return NS_OK; |
michael@0 | 221 | } |
michael@0 | 222 | |
michael@0 | 223 | nsresult |
michael@0 | 224 | nsDocShellEditorData::ReattachToWindow(nsIDocShell* aDocShell) |
michael@0 | 225 | { |
michael@0 | 226 | mDocShell = aDocShell; |
michael@0 | 227 | |
michael@0 | 228 | nsCOMPtr<nsIDOMWindow> domWindow = do_GetInterface(mDocShell); |
michael@0 | 229 | nsresult rv = mEditingSession->ReattachToWindow(domWindow); |
michael@0 | 230 | NS_ENSURE_SUCCESS(rv, rv); |
michael@0 | 231 | |
michael@0 | 232 | mIsDetached = false; |
michael@0 | 233 | mMakeEditable = mDetachedMakeEditable; |
michael@0 | 234 | |
michael@0 | 235 | nsCOMPtr<nsIDOMDocument> domDoc; |
michael@0 | 236 | domWindow->GetDocument(getter_AddRefs(domDoc)); |
michael@0 | 237 | nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(domDoc); |
michael@0 | 238 | if (htmlDoc) |
michael@0 | 239 | htmlDoc->SetEditingState(mDetachedEditingState); |
michael@0 | 240 | |
michael@0 | 241 | return NS_OK; |
michael@0 | 242 | } |