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https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
33bb32f549
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convert MOZ_OVERRIDE override
convert MOZ_FINAL final
1556 lines
60 KiB
C++
1556 lines
60 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ContentEventHandler.h"
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#include "IMEContentObserver.h"
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#include "mozilla/AsyncEventDispatcher.h"
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#include "mozilla/AutoRestore.h"
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#include "mozilla/EventStateManager.h"
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#include "mozilla/IMEStateManager.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/TextComposition.h"
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#include "mozilla/TextEvents.h"
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#include "mozilla/dom/Element.h"
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#include "nsAutoPtr.h"
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#include "nsContentUtils.h"
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#include "nsGkAtoms.h"
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#include "nsIAtom.h"
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#include "nsIContent.h"
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#include "nsIDocument.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMRange.h"
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#include "nsIFrame.h"
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#include "nsINode.h"
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#include "nsIPresShell.h"
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#include "nsISelectionController.h"
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#include "nsISelectionPrivate.h"
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#include "nsISupports.h"
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#include "nsIWidget.h"
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#include "nsPresContext.h"
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#include "nsThreadUtils.h"
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#include "nsWeakReference.h"
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namespace mozilla {
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using namespace widget;
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NS_IMPL_CYCLE_COLLECTION_CLASS(IMEContentObserver)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IMEContentObserver)
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nsAutoScriptBlocker scriptBlocker;
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tmp->UnregisterObservers(true);
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mWidget)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mSelection)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mRootContent)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mEditableNode)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mDocShell)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mEditor)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mEndOfAddedTextCache.mContainerNode)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mStartOfRemovingTextRangeCache.mContainerNode)
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tmp->mUpdatePreference.mWantUpdates = nsIMEUpdatePreference::NOTIFY_NOTHING;
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tmp->mESM = nullptr;
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IMEContentObserver)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWidget)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSelection)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mRootContent)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mEditableNode)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDocShell)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mEditor)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mEndOfAddedTextCache.mContainerNode)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(
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mStartOfRemovingTextRangeCache.mContainerNode)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IMEContentObserver)
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NS_INTERFACE_MAP_ENTRY(nsISelectionListener)
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NS_INTERFACE_MAP_ENTRY(nsIMutationObserver)
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NS_INTERFACE_MAP_ENTRY(nsIReflowObserver)
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NS_INTERFACE_MAP_ENTRY(nsIScrollObserver)
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NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
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NS_INTERFACE_MAP_ENTRY(nsIEditorObserver)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsISelectionListener)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(IMEContentObserver)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(IMEContentObserver)
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IMEContentObserver::IMEContentObserver()
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: mESM(nullptr)
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, mPreCharacterDataChangeLength(-1)
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, mIsSelectionChangeEventPending(false)
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, mSelectionChangeCausedOnlyByComposition(false)
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, mIsPositionChangeEventPending(false)
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, mIsFlushingPendingNotifications(false)
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{
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#ifdef DEBUG
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TestMergingTextChangeData();
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#endif
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}
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void
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IMEContentObserver::Init(nsIWidget* aWidget,
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nsPresContext* aPresContext,
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nsIContent* aContent,
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nsIEditor* aEditor)
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{
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MOZ_ASSERT(aEditor, "aEditor must not be null");
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mESM = aPresContext->EventStateManager();
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mESM->OnStartToObserveContent(this);
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mWidget = aWidget;
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mEditableNode = IMEStateManager::GetRootEditableNode(aPresContext, aContent);
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if (!mEditableNode) {
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return;
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}
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mEditor = aEditor;
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mEditor->AddEditorObserver(this);
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nsIPresShell* presShell = aPresContext->PresShell();
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// get selection and root content
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nsCOMPtr<nsISelectionController> selCon;
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if (mEditableNode->IsNodeOfType(nsINode::eCONTENT)) {
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nsIFrame* frame =
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static_cast<nsIContent*>(mEditableNode.get())->GetPrimaryFrame();
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NS_ENSURE_TRUE_VOID(frame);
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frame->GetSelectionController(aPresContext,
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getter_AddRefs(selCon));
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} else {
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// mEditableNode is a document
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selCon = do_QueryInterface(presShell);
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}
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NS_ENSURE_TRUE_VOID(selCon);
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selCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
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getter_AddRefs(mSelection));
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NS_ENSURE_TRUE_VOID(mSelection);
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nsCOMPtr<nsIDOMRange> selDomRange;
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if (NS_SUCCEEDED(mSelection->GetRangeAt(0, getter_AddRefs(selDomRange)))) {
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nsRange* selRange = static_cast<nsRange*>(selDomRange.get());
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NS_ENSURE_TRUE_VOID(selRange && selRange->GetStartParent());
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mRootContent = selRange->GetStartParent()->
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GetSelectionRootContent(presShell);
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} else {
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mRootContent = mEditableNode->GetSelectionRootContent(presShell);
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}
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if (!mRootContent && mEditableNode->IsNodeOfType(nsINode::eDOCUMENT)) {
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// The document node is editable, but there are no contents, this document
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// is not editable.
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return;
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}
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NS_ENSURE_TRUE_VOID(mRootContent);
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if (IMEStateManager::IsTestingIME()) {
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nsIDocument* doc = aPresContext->Document();
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(new AsyncEventDispatcher(doc, NS_LITERAL_STRING("MozIMEFocusIn"),
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false, false))->RunDOMEventWhenSafe();
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}
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aWidget->NotifyIME(IMENotification(NOTIFY_IME_OF_FOCUS));
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// NOTIFY_IME_OF_FOCUS might cause recreating IMEContentObserver
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// instance via IMEStateManager::UpdateIMEState(). So, this
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// instance might already have been destroyed, check it.
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if (!mRootContent) {
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return;
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}
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mDocShell = aPresContext->GetDocShell();
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ObserveEditableNode();
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}
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void
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IMEContentObserver::ObserveEditableNode()
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{
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MOZ_ASSERT(mSelection);
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MOZ_ASSERT(mRootContent);
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mUpdatePreference = mWidget->GetIMEUpdatePreference();
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if (mUpdatePreference.WantSelectionChange()) {
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// add selection change listener
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nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(mSelection));
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NS_ENSURE_TRUE_VOID(selPrivate);
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nsresult rv = selPrivate->AddSelectionListener(this);
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NS_ENSURE_SUCCESS_VOID(rv);
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}
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if (mUpdatePreference.WantTextChange()) {
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// add text change observer
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mRootContent->AddMutationObserver(this);
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}
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if (mUpdatePreference.WantPositionChanged() && mDocShell) {
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// Add scroll position listener and reflow observer to detect position and
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// size changes
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mDocShell->AddWeakScrollObserver(this);
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mDocShell->AddWeakReflowObserver(this);
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}
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}
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void
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IMEContentObserver::UnregisterObservers(bool aPostEvent)
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{
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if (mEditor) {
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mEditor->RemoveEditorObserver(this);
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}
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// If CreateTextStateManager failed, mRootContent will be null, then, we
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// should not call NotifyIME(IMENotification(NOTIFY_IME_OF_BLUR))
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if (mRootContent && mWidget) {
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if (IMEStateManager::IsTestingIME() && mEditableNode) {
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nsIDocument* doc = mEditableNode->OwnerDoc();
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if (doc) {
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nsRefPtr<AsyncEventDispatcher> dispatcher =
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new AsyncEventDispatcher(doc, NS_LITERAL_STRING("MozIMEFocusOut"),
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false, false);
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if (aPostEvent) {
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dispatcher->PostDOMEvent();
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} else {
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dispatcher->RunDOMEventWhenSafe();
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}
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}
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}
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// A test event handler might destroy the widget.
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if (mWidget) {
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mWidget->NotifyIME(IMENotification(NOTIFY_IME_OF_BLUR));
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}
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}
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if (mUpdatePreference.WantSelectionChange() && mSelection) {
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nsCOMPtr<nsISelectionPrivate> selPrivate(do_QueryInterface(mSelection));
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if (selPrivate) {
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selPrivate->RemoveSelectionListener(this);
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}
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}
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if (mUpdatePreference.WantTextChange() && mRootContent) {
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mRootContent->RemoveMutationObserver(this);
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}
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if (mUpdatePreference.WantPositionChanged() && mDocShell) {
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mDocShell->RemoveWeakScrollObserver(this);
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mDocShell->RemoveWeakReflowObserver(this);
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}
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}
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void
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IMEContentObserver::Destroy()
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{
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// WARNING: When you change this method, you have to check Unlink() too.
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UnregisterObservers(false);
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mEditor = nullptr;
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// Even if there are some pending notification, it'll never notify the widget.
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mWidget = nullptr;
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mSelection = nullptr;
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mRootContent = nullptr;
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mEditableNode = nullptr;
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mDocShell = nullptr;
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mUpdatePreference.mWantUpdates = nsIMEUpdatePreference::NOTIFY_NOTHING;
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if (mESM) {
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mESM->OnStopObservingContent(this);
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mESM = nullptr;
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}
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}
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void
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IMEContentObserver::DisconnectFromEventStateManager()
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{
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mESM = nullptr;
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}
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bool
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IMEContentObserver::IsManaging(nsPresContext* aPresContext,
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nsIContent* aContent)
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{
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if (!mSelection || !mRootContent || !mEditableNode) {
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return false; // failed to initialize.
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}
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if (!mRootContent->IsInComposedDoc()) {
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return false; // the focused editor has already been reframed.
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}
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return mEditableNode == IMEStateManager::GetRootEditableNode(aPresContext,
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aContent);
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}
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bool
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IMEContentObserver::IsEditorHandlingEventForComposition() const
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{
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if (!mWidget) {
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return false;
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}
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nsRefPtr<TextComposition> composition =
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IMEStateManager::GetTextCompositionFor(mWidget);
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if (!composition) {
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return false;
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}
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return composition->IsEditorHandlingEvent();
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}
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nsresult
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IMEContentObserver::GetSelectionAndRoot(nsISelection** aSelection,
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nsIContent** aRootContent) const
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{
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if (!mEditableNode || !mSelection) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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NS_ASSERTION(mSelection && mRootContent, "uninitialized content observer");
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NS_ADDREF(*aSelection = mSelection);
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NS_ADDREF(*aRootContent = mRootContent);
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return NS_OK;
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}
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// Helper class, used for selection change notification
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class SelectionChangeEvent : public nsRunnable
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{
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public:
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SelectionChangeEvent(IMEContentObserver* aDispatcher,
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bool aCausedByComposition)
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: mDispatcher(aDispatcher)
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, mCausedByComposition(aCausedByComposition)
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{
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MOZ_ASSERT(mDispatcher);
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}
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NS_IMETHOD Run()
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{
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if (mDispatcher->GetWidget()) {
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IMENotification notification(NOTIFY_IME_OF_SELECTION_CHANGE);
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notification.mSelectionChangeData.mCausedByComposition =
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mCausedByComposition;
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mDispatcher->GetWidget()->NotifyIME(notification);
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}
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return NS_OK;
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}
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private:
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nsRefPtr<IMEContentObserver> mDispatcher;
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bool mCausedByComposition;
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};
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nsresult
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IMEContentObserver::NotifySelectionChanged(nsIDOMDocument* aDOMDocument,
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nsISelection* aSelection,
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int16_t aReason)
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{
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bool causedByComposition = IsEditorHandlingEventForComposition();
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if (causedByComposition &&
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!mUpdatePreference.WantChangesCausedByComposition()) {
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return NS_OK;
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}
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int32_t count = 0;
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nsresult rv = aSelection->GetRangeCount(&count);
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NS_ENSURE_SUCCESS(rv, rv);
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if (count > 0 && mWidget) {
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MaybeNotifyIMEOfSelectionChange(causedByComposition);
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}
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return NS_OK;
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}
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// Helper class, used for position change notification
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class PositionChangeEvent final : public nsRunnable
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{
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public:
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explicit PositionChangeEvent(IMEContentObserver* aDispatcher)
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: mDispatcher(aDispatcher)
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{
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MOZ_ASSERT(mDispatcher);
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}
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NS_IMETHOD Run()
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{
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if (mDispatcher->GetWidget()) {
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mDispatcher->GetWidget()->NotifyIME(
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IMENotification(NOTIFY_IME_OF_POSITION_CHANGE));
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}
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return NS_OK;
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}
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private:
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nsRefPtr<IMEContentObserver> mDispatcher;
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};
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void
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IMEContentObserver::ScrollPositionChanged()
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{
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MaybeNotifyIMEOfPositionChange();
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}
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NS_IMETHODIMP
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IMEContentObserver::Reflow(DOMHighResTimeStamp aStart,
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DOMHighResTimeStamp aEnd)
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{
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MaybeNotifyIMEOfPositionChange();
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return NS_OK;
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}
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NS_IMETHODIMP
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IMEContentObserver::ReflowInterruptible(DOMHighResTimeStamp aStart,
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DOMHighResTimeStamp aEnd)
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{
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MaybeNotifyIMEOfPositionChange();
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return NS_OK;
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}
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bool
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IMEContentObserver::OnMouseButtonEvent(nsPresContext* aPresContext,
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WidgetMouseEvent* aMouseEvent)
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{
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if (!mUpdatePreference.WantMouseButtonEventOnChar()) {
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return false;
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}
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if (!aMouseEvent->mFlags.mIsTrusted ||
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aMouseEvent->mFlags.mDefaultPrevented ||
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!aMouseEvent->widget) {
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return false;
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}
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// Now, we need to notify only mouse down and mouse up event.
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switch (aMouseEvent->message) {
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case NS_MOUSE_BUTTON_UP:
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case NS_MOUSE_BUTTON_DOWN:
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break;
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default:
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return false;
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}
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if (NS_WARN_IF(!mWidget) || NS_WARN_IF(mWidget->Destroyed())) {
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return false;
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}
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nsRefPtr<IMEContentObserver> kungFuDeathGrip(this);
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WidgetQueryContentEvent charAtPt(true, NS_QUERY_CHARACTER_AT_POINT,
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aMouseEvent->widget);
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charAtPt.refPoint = aMouseEvent->refPoint;
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ContentEventHandler handler(aPresContext);
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handler.OnQueryCharacterAtPoint(&charAtPt);
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if (NS_WARN_IF(!charAtPt.mSucceeded) ||
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charAtPt.mReply.mOffset == WidgetQueryContentEvent::NOT_FOUND) {
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return false;
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}
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// The widget might be destroyed during querying the content since it
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// causes flushing layout.
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if (!mWidget || NS_WARN_IF(mWidget->Destroyed())) {
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return false;
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}
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// The result character rect is relative to the top level widget.
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// We should notify it with offset in the widget.
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nsIWidget* topLevelWidget = mWidget->GetTopLevelWidget();
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if (topLevelWidget && topLevelWidget != mWidget) {
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charAtPt.mReply.mRect.MoveBy(
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topLevelWidget->WidgetToScreenOffset() -
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mWidget->WidgetToScreenOffset());
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}
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// The refPt is relative to its widget.
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// We should notify it with offset in the widget.
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if (aMouseEvent->widget != mWidget) {
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charAtPt.refPoint += aMouseEvent->widget->WidgetToScreenOffset() -
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mWidget->WidgetToScreenOffset();
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}
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IMENotification notification(NOTIFY_IME_OF_MOUSE_BUTTON_EVENT);
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notification.mMouseButtonEventData.mEventMessage = aMouseEvent->message;
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notification.mMouseButtonEventData.mOffset = charAtPt.mReply.mOffset;
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notification.mMouseButtonEventData.mCursorPos.Set(
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LayoutDeviceIntPoint::ToUntyped(charAtPt.refPoint));
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notification.mMouseButtonEventData.mCharRect.Set(
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LayoutDevicePixel::ToUntyped(charAtPt.mReply.mRect));
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notification.mMouseButtonEventData.mButton = aMouseEvent->button;
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notification.mMouseButtonEventData.mButtons = aMouseEvent->buttons;
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notification.mMouseButtonEventData.mModifiers = aMouseEvent->modifiers;
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nsresult rv = mWidget->NotifyIME(notification);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return false;
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}
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bool consumed = (rv == NS_SUCCESS_EVENT_CONSUMED);
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aMouseEvent->mFlags.mDefaultPrevented = consumed;
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return consumed;
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}
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|
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// Helper class, used for text change notification
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class TextChangeEvent : public nsRunnable
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{
|
|
public:
|
|
TextChangeEvent(IMEContentObserver* aDispatcher,
|
|
IMEContentObserver::TextChangeData& aData)
|
|
: mDispatcher(aDispatcher)
|
|
, mData(aData)
|
|
{
|
|
MOZ_ASSERT(mDispatcher);
|
|
MOZ_ASSERT(mData.mStored);
|
|
// Reset mStored because this now consumes the data.
|
|
aData.mStored = false;
|
|
}
|
|
|
|
NS_IMETHOD Run()
|
|
{
|
|
if (mDispatcher->GetWidget()) {
|
|
IMENotification notification(NOTIFY_IME_OF_TEXT_CHANGE);
|
|
notification.mTextChangeData.mStartOffset = mData.mStartOffset;
|
|
notification.mTextChangeData.mOldEndOffset = mData.mRemovedEndOffset;
|
|
notification.mTextChangeData.mNewEndOffset = mData.mAddedEndOffset;
|
|
notification.mTextChangeData.mCausedByComposition =
|
|
mData.mCausedOnlyByComposition;
|
|
mDispatcher->GetWidget()->NotifyIME(notification);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
nsRefPtr<IMEContentObserver> mDispatcher;
|
|
IMEContentObserver::TextChangeData mData;
|
|
};
|
|
|
|
void
|
|
IMEContentObserver::StoreTextChangeData(const TextChangeData& aTextChangeData)
|
|
{
|
|
MOZ_ASSERT(aTextChangeData.mStartOffset <= aTextChangeData.mRemovedEndOffset,
|
|
"end of removed text must be same or larger than start");
|
|
MOZ_ASSERT(aTextChangeData.mStartOffset <= aTextChangeData.mAddedEndOffset,
|
|
"end of added text must be same or larger than start");
|
|
|
|
if (!mTextChangeData.mStored) {
|
|
mTextChangeData = aTextChangeData;
|
|
MOZ_ASSERT(mTextChangeData.mStored, "Why mStored is false?");
|
|
return;
|
|
}
|
|
|
|
// |mTextChangeData| should represent all modified text ranges and all
|
|
// inserted text ranges.
|
|
// |mStartOffset| and |mRemovedEndOffset| represent all replaced or removed
|
|
// text ranges. I.e., mStartOffset should be the smallest offset of all
|
|
// modified text ranges in old text. |mRemovedEndOffset| should be the
|
|
// largest end offset in old text of all modified text ranges.
|
|
// |mAddedEndOffset| represents the end offset of all inserted text ranges.
|
|
// I.e., only this is an offset in new text.
|
|
// In other words, between mStartOffset and |mRemovedEndOffset| of the
|
|
// premodified text was already removed. And some text whose length is
|
|
// |mAddedEndOffset - mStartOffset| is inserted to |mStartOffset|. I.e.,
|
|
// this allows IME to mark dirty the modified text range with |mStartOffset|
|
|
// and |mRemovedEndOffset| if IME stores all text of the focused editor and
|
|
// to compute new text length with |mAddedEndOffset| and |mRemovedEndOffset|.
|
|
// Additionally, IME can retrieve only the text between |mStartOffset| and
|
|
// |mAddedEndOffset| for updating stored text.
|
|
|
|
// For comparing new and old |mStartOffset|/|mRemovedEndOffset| values, they
|
|
// should be adjusted to be in same text. The |newData.mStartOffset| and
|
|
// |newData.mRemovedEndOffset| should be computed as in old text because
|
|
// |mStartOffset| and |mRemovedEndOffset| represent the modified text range
|
|
// in the old text but even if some text before the values of the newData
|
|
// has already been modified, the values don't include the changes.
|
|
|
|
// For comparing new and old |mAddedEndOffset| values, they should be
|
|
// adjusted to be in same text. The |oldData.mAddedEndOffset| should be
|
|
// computed as in the new text because |mAddedEndOffset| indicates the end
|
|
// offset of inserted text in the new text but |oldData.mAddedEndOffset|
|
|
// doesn't include any changes of the text before |newData.mAddedEndOffset|.
|
|
|
|
const TextChangeData& newData = aTextChangeData;
|
|
const TextChangeData oldData = mTextChangeData;
|
|
|
|
mTextChangeData.mCausedOnlyByComposition =
|
|
newData.mCausedOnlyByComposition && oldData.mCausedOnlyByComposition;
|
|
|
|
if (newData.mStartOffset >= oldData.mAddedEndOffset) {
|
|
// Case 1:
|
|
// If new start is after old end offset of added text, it means that text
|
|
// after the modified range is modified. Like:
|
|
// added range of old change: +----------+
|
|
// removed range of new change: +----------+
|
|
// So, the old start offset is always the smaller offset.
|
|
mTextChangeData.mStartOffset = oldData.mStartOffset;
|
|
// The new end offset of removed text is moved by the old change and we
|
|
// need to cancel the move of the old change for comparing the offsets in
|
|
// same text because it doesn't make sensce to compare offsets in different
|
|
// text.
|
|
uint32_t newRemovedEndOffsetInOldText =
|
|
newData.mRemovedEndOffset - oldData.Difference();
|
|
mTextChangeData.mRemovedEndOffset =
|
|
std::max(newRemovedEndOffsetInOldText, oldData.mRemovedEndOffset);
|
|
// The new end offset of added text is always the larger offset.
|
|
mTextChangeData.mAddedEndOffset = newData.mAddedEndOffset;
|
|
return;
|
|
}
|
|
|
|
if (newData.mStartOffset >= oldData.mStartOffset) {
|
|
// If new start is in the modified range, it means that new data changes
|
|
// a part or all of the range.
|
|
mTextChangeData.mStartOffset = oldData.mStartOffset;
|
|
if (newData.mRemovedEndOffset >= oldData.mAddedEndOffset) {
|
|
// Case 2:
|
|
// If new end of removed text is greater than old end of added text, it
|
|
// means that all or a part of modified range modified again and text
|
|
// after the modified range is also modified. Like:
|
|
// added range of old change: +----------+
|
|
// removed range of new change: +----------+
|
|
// So, the new removed end offset is moved by the old change and we need
|
|
// to cancel the move of the old change for comparing the offsets in the
|
|
// same text because it doesn't make sense to compare the offsets in
|
|
// different text.
|
|
uint32_t newRemovedEndOffsetInOldText =
|
|
newData.mRemovedEndOffset - oldData.Difference();
|
|
mTextChangeData.mRemovedEndOffset =
|
|
std::max(newRemovedEndOffsetInOldText, oldData.mRemovedEndOffset);
|
|
// The old end of added text is replaced by new change. So, it should be
|
|
// same as the new start. On the other hand, the new added end offset is
|
|
// always same or larger. Therefore, the merged end offset of added
|
|
// text should be the new end offset of added text.
|
|
mTextChangeData.mAddedEndOffset = newData.mAddedEndOffset;
|
|
return;
|
|
}
|
|
|
|
// Case 3:
|
|
// If new end of removed text is less than old end of added text, it means
|
|
// that only a part of the modified range is modified again. Like:
|
|
// added range of old change: +------------+
|
|
// removed range of new change: +-----+
|
|
// So, the new end offset of removed text should be same as the old end
|
|
// offset of removed text. Therefore, the merged end offset of removed
|
|
// text should be the old text change's |mRemovedEndOffset|.
|
|
mTextChangeData.mRemovedEndOffset = oldData.mRemovedEndOffset;
|
|
// The old end of added text is moved by new change. So, we need to cancel
|
|
// the move of the new change for comparing the offsets in same text.
|
|
uint32_t oldAddedEndOffsetInNewText =
|
|
oldData.mAddedEndOffset + newData.Difference();
|
|
mTextChangeData.mAddedEndOffset =
|
|
std::max(newData.mAddedEndOffset, oldAddedEndOffsetInNewText);
|
|
return;
|
|
}
|
|
|
|
if (newData.mRemovedEndOffset >= oldData.mStartOffset) {
|
|
// If new end of removed text is greater than old start (and new start is
|
|
// less than old start), it means that a part of modified range is modified
|
|
// again and some new text before the modified range is also modified.
|
|
MOZ_ASSERT(newData.mStartOffset < oldData.mStartOffset,
|
|
"new start offset should be less than old one here");
|
|
mTextChangeData.mStartOffset = newData.mStartOffset;
|
|
if (newData.mRemovedEndOffset >= oldData.mAddedEndOffset) {
|
|
// Case 4:
|
|
// If new end of removed text is greater than old end of added text, it
|
|
// means that all modified text and text after the modified range is
|
|
// modified. Like:
|
|
// added range of old change: +----------+
|
|
// removed range of new change: +------------------+
|
|
// So, the new end of removed text is moved by the old change. Therefore,
|
|
// we need to cancel the move of the old change for comparing the offsets
|
|
// in same text because it doesn't make sense to compare the offsets in
|
|
// different text.
|
|
uint32_t newRemovedEndOffsetInOldText =
|
|
newData.mRemovedEndOffset - oldData.Difference();
|
|
mTextChangeData.mRemovedEndOffset =
|
|
std::max(newRemovedEndOffsetInOldText, oldData.mRemovedEndOffset);
|
|
// The old end of added text is replaced by new change. So, the old end
|
|
// offset of added text is same as new text change's start offset. Then,
|
|
// new change's end offset of added text is always same or larger than
|
|
// it. Therefore, merged end offset of added text is always the new end
|
|
// offset of added text.
|
|
mTextChangeData.mAddedEndOffset = newData.mAddedEndOffset;
|
|
return;
|
|
}
|
|
|
|
// Case 5:
|
|
// If new end of removed text is less than old end of added text, it
|
|
// means that only a part of the modified range is modified again. Like:
|
|
// added range of old change: +----------+
|
|
// removed range of new change: +----------+
|
|
// So, the new end of removed text should be same as old end of removed
|
|
// text for preventing end of removed text to be modified. Therefore,
|
|
// merged end offset of removed text is always the old end offset of removed
|
|
// text.
|
|
mTextChangeData.mRemovedEndOffset = oldData.mRemovedEndOffset;
|
|
// The old end of added text is moved by this change. So, we need to
|
|
// cancel the move of the new change for comparing the offsets in same text
|
|
// because it doesn't make sense to compare the offsets in different text.
|
|
uint32_t oldAddedEndOffsetInNewText =
|
|
oldData.mAddedEndOffset + newData.Difference();
|
|
mTextChangeData.mAddedEndOffset =
|
|
std::max(newData.mAddedEndOffset, oldAddedEndOffsetInNewText);
|
|
return;
|
|
}
|
|
|
|
// Case 6:
|
|
// Otherwise, i.e., both new end of added text and new start are less than
|
|
// old start, text before the modified range is modified. Like:
|
|
// added range of old change: +----------+
|
|
// removed range of new change: +----------+
|
|
MOZ_ASSERT(newData.mStartOffset < oldData.mStartOffset,
|
|
"new start offset should be less than old one here");
|
|
mTextChangeData.mStartOffset = newData.mStartOffset;
|
|
MOZ_ASSERT(newData.mRemovedEndOffset < oldData.mRemovedEndOffset,
|
|
"new removed end offset should be less than old one here");
|
|
mTextChangeData.mRemovedEndOffset = oldData.mRemovedEndOffset;
|
|
// The end of added text should be adjusted with the new difference.
|
|
uint32_t oldAddedEndOffsetInNewText =
|
|
oldData.mAddedEndOffset + newData.Difference();
|
|
mTextChangeData.mAddedEndOffset =
|
|
std::max(newData.mAddedEndOffset, oldAddedEndOffsetInNewText);
|
|
}
|
|
|
|
void
|
|
IMEContentObserver::CharacterDataWillChange(nsIDocument* aDocument,
|
|
nsIContent* aContent,
|
|
CharacterDataChangeInfo* aInfo)
|
|
{
|
|
NS_ASSERTION(aContent->IsNodeOfType(nsINode::eTEXT),
|
|
"character data changed for non-text node");
|
|
MOZ_ASSERT(mPreCharacterDataChangeLength < 0,
|
|
"CharacterDataChanged() should've reset "
|
|
"mPreCharacterDataChangeLength");
|
|
|
|
mEndOfAddedTextCache.Clear();
|
|
mStartOfRemovingTextRangeCache.Clear();
|
|
|
|
bool causedByComposition = IsEditorHandlingEventForComposition();
|
|
if (!mTextChangeData.mStored && causedByComposition &&
|
|
!mUpdatePreference.WantChangesCausedByComposition()) {
|
|
return;
|
|
}
|
|
|
|
mPreCharacterDataChangeLength =
|
|
ContentEventHandler::GetNativeTextLength(aContent, aInfo->mChangeStart,
|
|
aInfo->mChangeEnd);
|
|
MOZ_ASSERT(mPreCharacterDataChangeLength >=
|
|
aInfo->mChangeEnd - aInfo->mChangeStart,
|
|
"The computed length must be same as or larger than XP length");
|
|
}
|
|
|
|
void
|
|
IMEContentObserver::CharacterDataChanged(nsIDocument* aDocument,
|
|
nsIContent* aContent,
|
|
CharacterDataChangeInfo* aInfo)
|
|
{
|
|
NS_ASSERTION(aContent->IsNodeOfType(nsINode::eTEXT),
|
|
"character data changed for non-text node");
|
|
|
|
mEndOfAddedTextCache.Clear();
|
|
mStartOfRemovingTextRangeCache.Clear();
|
|
|
|
int64_t removedLength = mPreCharacterDataChangeLength;
|
|
mPreCharacterDataChangeLength = -1;
|
|
|
|
bool causedByComposition = IsEditorHandlingEventForComposition();
|
|
if (!mTextChangeData.mStored && causedByComposition &&
|
|
!mUpdatePreference.WantChangesCausedByComposition()) {
|
|
return;
|
|
}
|
|
|
|
MOZ_ASSERT(removedLength >= 0,
|
|
"mPreCharacterDataChangeLength should've been set by "
|
|
"CharacterDataWillChange()");
|
|
|
|
uint32_t offset = 0;
|
|
// get offsets of change and fire notification
|
|
nsresult rv =
|
|
ContentEventHandler::GetFlatTextOffsetOfRange(mRootContent, aContent,
|
|
aInfo->mChangeStart,
|
|
&offset,
|
|
LINE_BREAK_TYPE_NATIVE);
|
|
NS_ENSURE_SUCCESS_VOID(rv);
|
|
|
|
uint32_t newLength =
|
|
ContentEventHandler::GetNativeTextLength(aContent, aInfo->mChangeStart,
|
|
aInfo->mChangeStart +
|
|
aInfo->mReplaceLength);
|
|
|
|
uint32_t oldEnd = offset + static_cast<uint32_t>(removedLength);
|
|
uint32_t newEnd = offset + newLength;
|
|
|
|
TextChangeData data(offset, oldEnd, newEnd, causedByComposition);
|
|
MaybeNotifyIMEOfTextChange(data);
|
|
}
|
|
|
|
void
|
|
IMEContentObserver::NotifyContentAdded(nsINode* aContainer,
|
|
int32_t aStartIndex,
|
|
int32_t aEndIndex)
|
|
{
|
|
mStartOfRemovingTextRangeCache.Clear();
|
|
|
|
bool causedByComposition = IsEditorHandlingEventForComposition();
|
|
if (!mTextChangeData.mStored && causedByComposition &&
|
|
!mUpdatePreference.WantChangesCausedByComposition()) {
|
|
return;
|
|
}
|
|
|
|
uint32_t offset = 0;
|
|
nsresult rv = NS_OK;
|
|
if (!mEndOfAddedTextCache.Match(aContainer, aStartIndex)) {
|
|
mEndOfAddedTextCache.Clear();
|
|
rv = ContentEventHandler::GetFlatTextOffsetOfRange(mRootContent, aContainer,
|
|
aStartIndex, &offset,
|
|
LINE_BREAK_TYPE_NATIVE);
|
|
if (NS_WARN_IF(NS_FAILED((rv)))) {
|
|
return;
|
|
}
|
|
} else {
|
|
offset = mEndOfAddedTextCache.mFlatTextLength;
|
|
}
|
|
|
|
// get offset at the end of the last added node
|
|
nsIContent* childAtStart = aContainer->GetChildAt(aStartIndex);
|
|
uint32_t addingLength = 0;
|
|
rv = ContentEventHandler::GetFlatTextOffsetOfRange(childAtStart, aContainer,
|
|
aEndIndex, &addingLength,
|
|
LINE_BREAK_TYPE_NATIVE);
|
|
if (NS_WARN_IF(NS_FAILED((rv)))) {
|
|
mEndOfAddedTextCache.Clear();
|
|
return;
|
|
}
|
|
|
|
// If multiple lines are being inserted in an HTML editor, next call of
|
|
// NotifyContentAdded() is for adding next node. Therefore, caching the text
|
|
// length can skip to compute the text length before the adding node and
|
|
// before of it.
|
|
mEndOfAddedTextCache.Cache(aContainer, aEndIndex, offset + addingLength);
|
|
|
|
if (!addingLength) {
|
|
return;
|
|
}
|
|
|
|
TextChangeData data(offset, offset, offset + addingLength,
|
|
causedByComposition);
|
|
MaybeNotifyIMEOfTextChange(data);
|
|
}
|
|
|
|
void
|
|
IMEContentObserver::ContentAppended(nsIDocument* aDocument,
|
|
nsIContent* aContainer,
|
|
nsIContent* aFirstNewContent,
|
|
int32_t aNewIndexInContainer)
|
|
{
|
|
NotifyContentAdded(aContainer, aNewIndexInContainer,
|
|
aContainer->GetChildCount());
|
|
}
|
|
|
|
void
|
|
IMEContentObserver::ContentInserted(nsIDocument* aDocument,
|
|
nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
int32_t aIndexInContainer)
|
|
{
|
|
NotifyContentAdded(NODE_FROM(aContainer, aDocument),
|
|
aIndexInContainer, aIndexInContainer + 1);
|
|
}
|
|
|
|
void
|
|
IMEContentObserver::ContentRemoved(nsIDocument* aDocument,
|
|
nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
int32_t aIndexInContainer,
|
|
nsIContent* aPreviousSibling)
|
|
{
|
|
mEndOfAddedTextCache.Clear();
|
|
|
|
bool causedByComposition = IsEditorHandlingEventForComposition();
|
|
if (!mTextChangeData.mStored && causedByComposition &&
|
|
!mUpdatePreference.WantChangesCausedByComposition()) {
|
|
return;
|
|
}
|
|
|
|
nsINode* containerNode = NODE_FROM(aContainer, aDocument);
|
|
|
|
uint32_t offset = 0;
|
|
nsresult rv = NS_OK;
|
|
if (!mStartOfRemovingTextRangeCache.Match(containerNode, aIndexInContainer)) {
|
|
rv =
|
|
ContentEventHandler::GetFlatTextOffsetOfRange(mRootContent, containerNode,
|
|
aIndexInContainer, &offset,
|
|
LINE_BREAK_TYPE_NATIVE);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
mStartOfRemovingTextRangeCache.Clear();
|
|
return;
|
|
}
|
|
mStartOfRemovingTextRangeCache.Cache(containerNode, aIndexInContainer,
|
|
offset);
|
|
} else {
|
|
offset = mStartOfRemovingTextRangeCache.mFlatTextLength;
|
|
}
|
|
|
|
// get offset at the end of the deleted node
|
|
int32_t nodeLength =
|
|
aChild->IsNodeOfType(nsINode::eTEXT) ?
|
|
static_cast<int32_t>(aChild->TextLength()) :
|
|
std::max(static_cast<int32_t>(aChild->GetChildCount()), 1);
|
|
MOZ_ASSERT(nodeLength >= 0, "The node length is out of range");
|
|
uint32_t textLength = 0;
|
|
rv = ContentEventHandler::GetFlatTextOffsetOfRange(aChild, aChild,
|
|
nodeLength, &textLength,
|
|
LINE_BREAK_TYPE_NATIVE);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
mStartOfRemovingTextRangeCache.Clear();
|
|
return;
|
|
}
|
|
|
|
if (!textLength) {
|
|
return;
|
|
}
|
|
|
|
TextChangeData data(offset, offset + textLength, offset, causedByComposition);
|
|
MaybeNotifyIMEOfTextChange(data);
|
|
}
|
|
|
|
static nsIContent*
|
|
GetContentBR(dom::Element* aElement)
|
|
{
|
|
if (!aElement->IsNodeOfType(nsINode::eCONTENT)) {
|
|
return nullptr;
|
|
}
|
|
nsIContent* content = static_cast<nsIContent*>(aElement);
|
|
return content->IsHTMLElement(nsGkAtoms::br) ? content : nullptr;
|
|
}
|
|
|
|
void
|
|
IMEContentObserver::AttributeWillChange(nsIDocument* aDocument,
|
|
dom::Element* aElement,
|
|
int32_t aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
int32_t aModType)
|
|
{
|
|
nsIContent *content = GetContentBR(aElement);
|
|
mPreAttrChangeLength = content ?
|
|
ContentEventHandler::GetNativeTextLength(content) : 0;
|
|
}
|
|
|
|
void
|
|
IMEContentObserver::AttributeChanged(nsIDocument* aDocument,
|
|
dom::Element* aElement,
|
|
int32_t aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
int32_t aModType)
|
|
{
|
|
mEndOfAddedTextCache.Clear();
|
|
mStartOfRemovingTextRangeCache.Clear();
|
|
|
|
bool causedByComposition = IsEditorHandlingEventForComposition();
|
|
if (!mTextChangeData.mStored && causedByComposition &&
|
|
!mUpdatePreference.WantChangesCausedByComposition()) {
|
|
return;
|
|
}
|
|
|
|
nsIContent *content = GetContentBR(aElement);
|
|
if (!content) {
|
|
return;
|
|
}
|
|
|
|
uint32_t postAttrChangeLength =
|
|
ContentEventHandler::GetNativeTextLength(content);
|
|
if (postAttrChangeLength == mPreAttrChangeLength) {
|
|
return;
|
|
}
|
|
uint32_t start;
|
|
nsresult rv =
|
|
ContentEventHandler::GetFlatTextOffsetOfRange(mRootContent, content,
|
|
0, &start,
|
|
LINE_BREAK_TYPE_NATIVE);
|
|
NS_ENSURE_SUCCESS_VOID(rv);
|
|
|
|
TextChangeData data(start, start + mPreAttrChangeLength,
|
|
start + postAttrChangeLength, causedByComposition);
|
|
MaybeNotifyIMEOfTextChange(data);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
IMEContentObserver::EditAction()
|
|
{
|
|
mEndOfAddedTextCache.Clear();
|
|
mStartOfRemovingTextRangeCache.Clear();
|
|
FlushMergeableNotifications();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
IMEContentObserver::BeforeEditAction()
|
|
{
|
|
mEndOfAddedTextCache.Clear();
|
|
mStartOfRemovingTextRangeCache.Clear();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
IMEContentObserver::CancelEditAction()
|
|
{
|
|
mEndOfAddedTextCache.Clear();
|
|
mStartOfRemovingTextRangeCache.Clear();
|
|
FlushMergeableNotifications();
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
IMEContentObserver::MaybeNotifyIMEOfTextChange(const TextChangeData& aData)
|
|
{
|
|
StoreTextChangeData(aData);
|
|
MOZ_ASSERT(mTextChangeData.mStored,
|
|
"mTextChangeData must have text change data");
|
|
FlushMergeableNotifications();
|
|
}
|
|
|
|
void
|
|
IMEContentObserver::MaybeNotifyIMEOfSelectionChange(bool aCausedByComposition)
|
|
{
|
|
if (!mIsSelectionChangeEventPending) {
|
|
mSelectionChangeCausedOnlyByComposition = aCausedByComposition;
|
|
} else {
|
|
mSelectionChangeCausedOnlyByComposition =
|
|
mSelectionChangeCausedOnlyByComposition && aCausedByComposition;
|
|
}
|
|
mIsSelectionChangeEventPending = true;
|
|
FlushMergeableNotifications();
|
|
}
|
|
|
|
void
|
|
IMEContentObserver::MaybeNotifyIMEOfPositionChange()
|
|
{
|
|
mIsPositionChangeEventPending = true;
|
|
FlushMergeableNotifications();
|
|
}
|
|
|
|
class AsyncMergeableNotificationsFlusher : public nsRunnable
|
|
{
|
|
public:
|
|
explicit AsyncMergeableNotificationsFlusher(IMEContentObserver* aIMEContentObserver)
|
|
: mIMEContentObserver(aIMEContentObserver)
|
|
{
|
|
MOZ_ASSERT(mIMEContentObserver);
|
|
}
|
|
|
|
NS_IMETHOD Run()
|
|
{
|
|
mIMEContentObserver->FlushMergeableNotifications();
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
nsRefPtr<IMEContentObserver> mIMEContentObserver;
|
|
};
|
|
|
|
void
|
|
IMEContentObserver::FlushMergeableNotifications()
|
|
{
|
|
// If this is already detached from the widget, this doesn't need to notify
|
|
// anything.
|
|
if (!mWidget) {
|
|
return;
|
|
}
|
|
|
|
// If we're in handling an edit action, this method will be called later.
|
|
bool isInEditAction = false;
|
|
if (mEditor && NS_SUCCEEDED(mEditor->GetIsInEditAction(&isInEditAction)) &&
|
|
isInEditAction) {
|
|
return;
|
|
}
|
|
|
|
// Notifying something may cause nested call of this method. For example,
|
|
// when somebody notified one of the notifications may dispatch query content
|
|
// event. Then, it causes flushing layout which may cause another layout
|
|
// change notification.
|
|
|
|
if (mIsFlushingPendingNotifications) {
|
|
// So, if this is already called, this should do nothing.
|
|
return;
|
|
}
|
|
|
|
AutoRestore<bool> flusing(mIsFlushingPendingNotifications);
|
|
mIsFlushingPendingNotifications = true;
|
|
|
|
// NOTE: Reset each pending flag because sending notification may cause
|
|
// another change.
|
|
|
|
if (mTextChangeData.mStored) {
|
|
nsContentUtils::AddScriptRunner(new TextChangeEvent(this, mTextChangeData));
|
|
}
|
|
|
|
if (mIsSelectionChangeEventPending) {
|
|
mIsSelectionChangeEventPending = false;
|
|
nsContentUtils::AddScriptRunner(
|
|
new SelectionChangeEvent(this, mSelectionChangeCausedOnlyByComposition));
|
|
}
|
|
|
|
if (mIsPositionChangeEventPending) {
|
|
mIsPositionChangeEventPending = false;
|
|
nsContentUtils::AddScriptRunner(new PositionChangeEvent(this));
|
|
}
|
|
|
|
// If notifications may cause new change, we should notify them now.
|
|
if (mTextChangeData.mStored ||
|
|
mIsSelectionChangeEventPending ||
|
|
mIsPositionChangeEventPending) {
|
|
nsRefPtr<AsyncMergeableNotificationsFlusher> asyncFlusher =
|
|
new AsyncMergeableNotificationsFlusher(this);
|
|
NS_DispatchToCurrentThread(asyncFlusher);
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
// Let's test the code of merging multiple text change data in debug build
|
|
// and crash if one of them fails because this feature is very complex but
|
|
// cannot be tested with mochitest.
|
|
void
|
|
IMEContentObserver::TestMergingTextChangeData()
|
|
{
|
|
static bool gTestTextChangeEvent = true;
|
|
if (!gTestTextChangeEvent) {
|
|
return;
|
|
}
|
|
gTestTextChangeEvent = false;
|
|
|
|
/****************************************************************************
|
|
* Case 1
|
|
****************************************************************************/
|
|
|
|
// Appending text
|
|
StoreTextChangeData(TextChangeData(10, 10, 20, false));
|
|
StoreTextChangeData(TextChangeData(20, 20, 35, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 10,
|
|
"Test 1-1-1: mStartOffset should be the first offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 10, // 20 - (20 - 10)
|
|
"Test 1-1-2: mRemovedEndOffset should be the first end of removed text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 35,
|
|
"Test 1-1-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Removing text (longer line -> shorter line)
|
|
StoreTextChangeData(TextChangeData(10, 20, 10, false));
|
|
StoreTextChangeData(TextChangeData(10, 30, 10, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 10,
|
|
"Test 1-2-1: mStartOffset should be the first offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 40, // 30 + (10 - 20)
|
|
"Test 1-2-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"with already removed length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 10,
|
|
"Test 1-2-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Removing text (shorter line -> longer line)
|
|
StoreTextChangeData(TextChangeData(10, 20, 10, false));
|
|
StoreTextChangeData(TextChangeData(10, 15, 10, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 10,
|
|
"Test 1-3-1: mStartOffset should be the first offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 25, // 15 + (10 - 20)
|
|
"Test 1-3-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"with already removed length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 10,
|
|
"Test 1-3-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Appending text at different point (not sure if actually occurs)
|
|
StoreTextChangeData(TextChangeData(10, 10, 20, false));
|
|
StoreTextChangeData(TextChangeData(55, 55, 60, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 10,
|
|
"Test 1-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 45, // 55 - (10 - 20)
|
|
"Test 1-4-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text without already added length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 60,
|
|
"Test 1-4-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Removing text at different point (not sure if actually occurs)
|
|
StoreTextChangeData(TextChangeData(10, 20, 10, false));
|
|
StoreTextChangeData(TextChangeData(55, 68, 55, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 10,
|
|
"Test 1-5-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 78, // 68 - (10 - 20)
|
|
"Test 1-5-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text with already removed length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 55,
|
|
"Test 1-5-3: mAddedEndOffset should be the largest end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text and append text (becomes longer)
|
|
StoreTextChangeData(TextChangeData(30, 35, 32, false));
|
|
StoreTextChangeData(TextChangeData(32, 32, 40, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 30,
|
|
"Test 1-6-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 35, // 32 - (32 - 35)
|
|
"Test 1-6-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 40,
|
|
"Test 1-6-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text and append text (becomes shorter)
|
|
StoreTextChangeData(TextChangeData(30, 35, 32, false));
|
|
StoreTextChangeData(TextChangeData(32, 32, 33, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 30,
|
|
"Test 1-7-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 35, // 32 - (32 - 35)
|
|
"Test 1-7-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 33,
|
|
"Test 1-7-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Removing text and replacing text after first range (not sure if actually
|
|
// occurs)
|
|
StoreTextChangeData(TextChangeData(30, 35, 30, false));
|
|
StoreTextChangeData(TextChangeData(32, 34, 48, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 30,
|
|
"Test 1-8-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 39, // 34 - (30 - 35)
|
|
"Test 1-8-2: mRemovedEndOffset should be the the first end of removed text "
|
|
"without already removed text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 48,
|
|
"Test 1-8-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Removing text and replacing text after first range (not sure if actually
|
|
// occurs)
|
|
StoreTextChangeData(TextChangeData(30, 35, 30, false));
|
|
StoreTextChangeData(TextChangeData(32, 38, 36, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 30,
|
|
"Test 1-9-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 43, // 38 - (30 - 35)
|
|
"Test 1-9-2: mRemovedEndOffset should be the the first end of removed text "
|
|
"without already removed text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 36,
|
|
"Test 1-9-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
/****************************************************************************
|
|
* Case 2
|
|
****************************************************************************/
|
|
|
|
// Replacing text in around end of added text (becomes shorter) (not sure
|
|
// if actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 50, 55, false));
|
|
StoreTextChangeData(TextChangeData(53, 60, 54, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 50,
|
|
"Test 2-1-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 55, // 60 - (55 - 50)
|
|
"Test 2-1-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 54,
|
|
"Test 2-1-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text around end of added text (becomes longer) (not sure
|
|
// if actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 50, 55, false));
|
|
StoreTextChangeData(TextChangeData(54, 62, 68, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 50,
|
|
"Test 2-2-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 57, // 62 - (55 - 50)
|
|
"Test 2-2-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 68,
|
|
"Test 2-2-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text around end of replaced text (became shorter) (not sure if
|
|
// actually occurs)
|
|
StoreTextChangeData(TextChangeData(36, 48, 45, false));
|
|
StoreTextChangeData(TextChangeData(43, 50, 49, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 36,
|
|
"Test 2-3-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 53, // 50 - (45 - 48)
|
|
"Test 2-3-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"without already removed text length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 49,
|
|
"Test 2-3-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text around end of replaced text (became longer) (not sure if
|
|
// actually occurs)
|
|
StoreTextChangeData(TextChangeData(36, 52, 53, false));
|
|
StoreTextChangeData(TextChangeData(43, 68, 61, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 36,
|
|
"Test 2-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 67, // 68 - (53 - 52)
|
|
"Test 2-4-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 61,
|
|
"Test 2-4-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
/****************************************************************************
|
|
* Case 3
|
|
****************************************************************************/
|
|
|
|
// Appending text in already added text (not sure if actually occurs)
|
|
StoreTextChangeData(TextChangeData(10, 10, 20, false));
|
|
StoreTextChangeData(TextChangeData(15, 15, 30, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 10,
|
|
"Test 3-1-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 10,
|
|
"Test 3-1-2: mRemovedEndOffset should be the the first end of removed text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 35, // 20 + (30 - 15)
|
|
"Test 3-1-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text in added text (not sure if actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 50, 55, false));
|
|
StoreTextChangeData(TextChangeData(52, 53, 56, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 50,
|
|
"Test 3-2-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 50,
|
|
"Test 3-2-2: mRemovedEndOffset should be the the first end of removed text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 58, // 55 + (56 - 53)
|
|
"Test 3-2-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text in replaced text (became shorter) (not sure if actually
|
|
// occurs)
|
|
StoreTextChangeData(TextChangeData(36, 48, 45, false));
|
|
StoreTextChangeData(TextChangeData(37, 38, 50, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 36,
|
|
"Test 3-3-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 48,
|
|
"Test 3-3-2: mRemovedEndOffset should be the the first end of removed text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 57, // 45 + (50 - 38)
|
|
"Test 3-3-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text in replaced text (became longer) (not sure if actually
|
|
// occurs)
|
|
StoreTextChangeData(TextChangeData(32, 48, 53, false));
|
|
StoreTextChangeData(TextChangeData(43, 50, 52, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 32,
|
|
"Test 3-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 48,
|
|
"Test 3-4-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 55, // 53 + (52 - 50)
|
|
"Test 3-4-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text in replaced text (became shorter) (not sure if actually
|
|
// occurs)
|
|
StoreTextChangeData(TextChangeData(36, 48, 50, false));
|
|
StoreTextChangeData(TextChangeData(37, 49, 47, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 36,
|
|
"Test 3-5-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 48,
|
|
"Test 3-5-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 48, // 50 + (47 - 49)
|
|
"Test 3-5-3: mAddedEndOffset should be the first end of added text without "
|
|
"removed text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text in replaced text (became longer) (not sure if actually
|
|
// occurs)
|
|
StoreTextChangeData(TextChangeData(32, 48, 53, false));
|
|
StoreTextChangeData(TextChangeData(43, 50, 47, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 32,
|
|
"Test 3-6-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 48,
|
|
"Test 3-6-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 50, // 53 + (47 - 50)
|
|
"Test 3-6-3: mAddedEndOffset should be the first end of added text without "
|
|
"removed text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
/****************************************************************************
|
|
* Case 4
|
|
****************************************************************************/
|
|
|
|
// Replacing text all of already append text (not sure if actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 50, 55, false));
|
|
StoreTextChangeData(TextChangeData(44, 66, 68, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 44,
|
|
"Test 4-1-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 61, // 66 - (55 - 50)
|
|
"Test 4-1-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 68,
|
|
"Test 4-1-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text around a point in which text was removed (not sure if
|
|
// actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 62, 50, false));
|
|
StoreTextChangeData(TextChangeData(44, 66, 68, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 44,
|
|
"Test 4-2-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 78, // 66 - (50 - 62)
|
|
"Test 4-2-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"without already removed text length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 68,
|
|
"Test 4-2-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text all replaced text (became shorter) (not sure if actually
|
|
// occurs)
|
|
StoreTextChangeData(TextChangeData(50, 62, 60, false));
|
|
StoreTextChangeData(TextChangeData(49, 128, 130, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 49,
|
|
"Test 4-3-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 130, // 128 - (60 - 62)
|
|
"Test 4-3-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"without already removed text length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 130,
|
|
"Test 4-3-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text all replaced text (became longer) (not sure if actually
|
|
// occurs)
|
|
StoreTextChangeData(TextChangeData(50, 61, 73, false));
|
|
StoreTextChangeData(TextChangeData(44, 100, 50, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 44,
|
|
"Test 4-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 88, // 100 - (73 - 61)
|
|
"Test 4-4-2: mRemovedEndOffset should be the the last end of removed text "
|
|
"with already added text length");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 50,
|
|
"Test 4-4-3: mAddedEndOffset should be the last end of added text");
|
|
mTextChangeData.mStored = false;
|
|
|
|
/****************************************************************************
|
|
* Case 5
|
|
****************************************************************************/
|
|
|
|
// Replacing text around start of added text (not sure if actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 50, 55, false));
|
|
StoreTextChangeData(TextChangeData(48, 52, 49, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 48,
|
|
"Test 5-1-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 50,
|
|
"Test 5-1-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 52, // 55 + (52 - 49)
|
|
"Test 5-1-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text around start of replaced text (became shorter) (not sure if
|
|
// actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 60, 58, false));
|
|
StoreTextChangeData(TextChangeData(43, 50, 48, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 43,
|
|
"Test 5-2-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 60,
|
|
"Test 5-2-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 56, // 58 + (48 - 50)
|
|
"Test 5-2-3: mAddedEndOffset should be the first end of added text without "
|
|
"removed text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text around start of replaced text (became longer) (not sure if
|
|
// actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 60, 68, false));
|
|
StoreTextChangeData(TextChangeData(43, 55, 53, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 43,
|
|
"Test 5-3-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 60,
|
|
"Test 5-3-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 66, // 68 + (53 - 55)
|
|
"Test 5-3-3: mAddedEndOffset should be the first end of added text without "
|
|
"removed text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text around start of replaced text (became shorter) (not sure if
|
|
// actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 60, 58, false));
|
|
StoreTextChangeData(TextChangeData(43, 50, 128, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 43,
|
|
"Test 5-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 60,
|
|
"Test 5-4-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 136, // 58 + (128 - 50)
|
|
"Test 5-4-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text around start of replaced text (became longer) (not sure if
|
|
// actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 60, 68, false));
|
|
StoreTextChangeData(TextChangeData(43, 55, 65, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 43,
|
|
"Test 5-5-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 60,
|
|
"Test 5-5-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 78, // 68 + (65 - 55)
|
|
"Test 5-5-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
/****************************************************************************
|
|
* Case 6
|
|
****************************************************************************/
|
|
|
|
// Appending text before already added text (not sure if actually occurs)
|
|
StoreTextChangeData(TextChangeData(30, 30, 45, false));
|
|
StoreTextChangeData(TextChangeData(10, 10, 20, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 10,
|
|
"Test 6-1-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 30,
|
|
"Test 6-1-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 55, // 45 + (20 - 10)
|
|
"Test 6-1-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Removing text before already removed text (not sure if actually occurs)
|
|
StoreTextChangeData(TextChangeData(30, 35, 30, false));
|
|
StoreTextChangeData(TextChangeData(10, 25, 10, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 10,
|
|
"Test 6-2-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 35,
|
|
"Test 6-2-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 15, // 30 - (25 - 10)
|
|
"Test 6-2-3: mAddedEndOffset should be the first end of added text with "
|
|
"removed text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text before already replaced text (not sure if actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 65, 70, false));
|
|
StoreTextChangeData(TextChangeData(13, 24, 15, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 13,
|
|
"Test 6-3-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 65,
|
|
"Test 6-3-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 61, // 70 + (15 - 24)
|
|
"Test 6-3-3: mAddedEndOffset should be the first end of added text without "
|
|
"removed text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
|
|
// Replacing text before already replaced text (not sure if actually occurs)
|
|
StoreTextChangeData(TextChangeData(50, 65, 70, false));
|
|
StoreTextChangeData(TextChangeData(13, 24, 36, false));
|
|
MOZ_ASSERT(mTextChangeData.mStartOffset == 13,
|
|
"Test 6-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mTextChangeData.mRemovedEndOffset == 65,
|
|
"Test 6-4-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mTextChangeData.mAddedEndOffset == 82, // 70 + (36 - 24)
|
|
"Test 6-4-3: mAddedEndOffset should be the first end of added text without "
|
|
"removed text length by the new change");
|
|
mTextChangeData.mStored = false;
|
|
}
|
|
#endif // #ifdef DEBUG
|
|
|
|
} // namespace mozilla
|