зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1690827 - part 3: Get rid of `ContentCacheInChild::mPendingCommitCount` r=m_kato
It's now not necessary. We can check all pending composition data whether there are some composition which waits commit in the remote process. Differential Revision: https://phabricator.services.mozilla.com/D179312
This commit is contained in:
Masayuki Nakano
Родитель
b252472641
Коммит
ebb9a68f42
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@ -662,7 +662,6 @@ ContentCacheInParent::ContentCacheInParent(BrowserParent& aBrowserParent)
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mCommitStringByRequest(nullptr),
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mPendingEventsNeedingAck(0),
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mPendingCommitLength(0),
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mPendingCommitCount(0),
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mIsChildIgnoringCompositionEvents(false) {}
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void ContentCacheInParent::AssignContent(const ContentCache& aOther,
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@ -693,7 +692,7 @@ void ContentCacheInParent::AssignContent(const ContentCache& aOther,
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// remote process because now we have the information around the composition
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// string.
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mCompositionStartInChild = aOther.mCompositionStart;
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if (WidgetHasComposition() || mPendingCommitCount) {
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if (WidgetHasComposition() || HasPendingCommit()) {
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if (mCompositionStartInChild.isSome()) {
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if (mCompositionStart.valueOr(UINT32_MAX) !=
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mCompositionStartInChild.value()) {
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@ -758,18 +757,19 @@ bool ContentCacheInParent::HandleQueryContentEvent(
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bool isRelativeToInsertionPoint = aEvent.mInput.mRelativeToInsertionPoint;
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if (isRelativeToInsertionPoint) {
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MOZ_LOG(sContentCacheLog, LogLevel::Debug,
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MOZ_LOG(
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sContentCacheLog, LogLevel::Debug,
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("0x%p HandleQueryContentEvent(), "
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"making offset absolute... aEvent={ mMessage=%s, mInput={ "
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"mOffset=%" PRId64 ", mLength=%" PRIu32 " } }, "
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"WidgetHasComposition()=%s, mPendingCommitCount=%" PRIu8
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", mCompositionStart=%" PRIu32 ", "
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"WidgetHasComposition()=%s, HasPendingCommit()=%s, "
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"mCompositionStart=%" PRIu32 ", "
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"mPendingCommitLength=%" PRIu32 ", mSelection=%s",
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this, ToChar(aEvent.mMessage), aEvent.mInput.mOffset,
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aEvent.mInput.mLength, GetBoolName(WidgetHasComposition()),
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mPendingCommitCount, mCompositionStart.valueOr(UINT32_MAX),
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GetBoolName(HasPendingCommit()), mCompositionStart.valueOr(UINT32_MAX),
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mPendingCommitLength, ToString(mSelection).c_str()));
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if (WidgetHasComposition() || mPendingCommitCount) {
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if (WidgetHasComposition() || HasPendingCommit()) {
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if (NS_WARN_IF(mCompositionStart.isNothing()) ||
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NS_WARN_IF(!aEvent.mInput.MakeOffsetAbsolute(
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mCompositionStart.value() + mPendingCommitLength))) {
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@ -1280,7 +1280,7 @@ bool ContentCacheInParent::OnCompositionEvent(
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("0x%p OnCompositionEvent(aEvent={ "
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"mMessage=%s, mData=\"%s\", mRanges->Length()=%zu }), "
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"mPendingEventsNeedingAck=%u, WidgetHasComposition()=%s, "
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"mHandlingCompositions.Length()=%zu, mPendingCommitCount=%" PRIu8 ", "
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"mHandlingCompositions.Length()=%zu, HasPendingCommit()=%s, "
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"mIsChildIgnoringCompositionEvents=%s, mCommitStringByRequest=0x%p",
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this, ToChar(aEvent.mMessage),
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PrintStringDetail(aEvent.mData,
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@ -1288,8 +1288,8 @@ bool ContentCacheInParent::OnCompositionEvent(
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.get(),
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aEvent.mRanges ? aEvent.mRanges->Length() : 0, mPendingEventsNeedingAck,
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GetBoolName(WidgetHasComposition()), mHandlingCompositions.Length(),
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mPendingCommitCount, GetBoolName(mIsChildIgnoringCompositionEvents),
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mCommitStringByRequest));
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GetBoolName(HasPendingCommit()),
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GetBoolName(mIsChildIgnoringCompositionEvents), mCommitStringByRequest));
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#if MOZ_DIAGNOSTIC_ASSERT_ENABLED
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mDispatchedEventMessages.AppendElement(aEvent.mMessage);
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@ -1322,7 +1322,7 @@ bool ContentCacheInParent::OnCompositionEvent(
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if (mHandlingCompositions.Length() == 1u) {
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mPendingCommitLength = aEvent.mData.Length();
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}
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mPendingCommitCount++;
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MOZ_ASSERT(HasPendingCommit());
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} else if (aEvent.mMessage != eCompositionStart) {
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mCompositionString = aEvent.mData;
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}
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@ -1344,15 +1344,9 @@ bool ContentCacheInParent::OnCompositionEvent(
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}
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// We need to wait eCompositionCommitRequestHandled from the remote process
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// in this case. Therefore, mPendingEventsNeedingAck needs to be
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// incremented here. Additionally, we stop sending eCompositionCommit(AsIs)
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// event. Therefore, we need to decrement mPendingCommitCount which has
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// been incremented above.
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// incremented here.
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if (!WidgetHasComposition()) {
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mPendingEventsNeedingAck++;
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MOZ_DIAGNOSTIC_ASSERT(mPendingCommitCount);
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if (mPendingCommitCount) {
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mPendingCommitCount--;
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}
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}
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return false;
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}
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@ -1363,20 +1357,19 @@ bool ContentCacheInParent::OnCompositionEvent(
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void ContentCacheInParent::OnSelectionEvent(
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const WidgetSelectionEvent& aSelectionEvent) {
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MOZ_LOG(
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sContentCacheLog, LogLevel::Info,
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MOZ_LOG(sContentCacheLog, LogLevel::Info,
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("0x%p OnSelectionEvent(aEvent={ "
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"mMessage=%s, mOffset=%u, mLength=%u, mReversed=%s, "
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"mExpandToClusterBoundary=%s, mUseNativeLineBreak=%s }), "
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"mPendingEventsNeedingAck=%u, WidgetHasComposition()=%s, "
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"mHandlingCompositions.Length()=%zu, mPendingCommitCount=%" PRIu8 ", "
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"mHandlingCompositions.Length()=%zu, HasPendingCommit()=%s, "
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"mIsChildIgnoringCompositionEvents=%s",
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this, ToChar(aSelectionEvent.mMessage), aSelectionEvent.mOffset,
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aSelectionEvent.mLength, GetBoolName(aSelectionEvent.mReversed),
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GetBoolName(aSelectionEvent.mExpandToClusterBoundary),
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GetBoolName(aSelectionEvent.mUseNativeLineBreak),
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mPendingEventsNeedingAck, GetBoolName(WidgetHasComposition()),
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mHandlingCompositions.Length(), mPendingCommitCount,
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mHandlingCompositions.Length(), GetBoolName(HasPendingCommit()),
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GetBoolName(mIsChildIgnoringCompositionEvents)));
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#if MOZ_DIAGNOSTIC_ASSERT_ENABLED && !defined(FUZZING_SNAPSHOT)
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@ -1397,22 +1390,23 @@ void ContentCacheInParent::OnEventNeedingAckHandled(nsIWidget* aWidget,
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("0x%p OnEventNeedingAckHandled(aWidget=0x%p, "
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"aMessage=%s, aCompositionId=%" PRIu32 "), mPendingEventsNeedingAck=%u, "
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"WidgetHasComposition()=%s, mHandlingCompositions.Length()=%zu, "
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"mPendingCommitCount=%" PRIu8 ", mIsChildIgnoringCompositionEvents=%s",
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"HasPendingCommit()=%s, mIsChildIgnoringCompositionEvents=%s",
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this, aWidget, ToChar(aMessage), aCompositionId,
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mPendingEventsNeedingAck, GetBoolName(WidgetHasComposition()),
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mHandlingCompositions.Length(), mPendingCommitCount,
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mHandlingCompositions.Length(), GetBoolName(HasPendingCommit()),
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GetBoolName(mIsChildIgnoringCompositionEvents)));
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#if MOZ_DIAGNOSTIC_ASSERT_ENABLED && !defined(FUZZING_SNAPSHOT)
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mReceivedEventMessages.AppendElement(aMessage);
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#endif // #if MOZ_DIAGNOSTIC_ASSERT_ENABLED
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bool isCommittedInChild =
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const bool isCommittedInChild =
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// Commit requester in the remote process has committed the composition.
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aMessage == eCompositionCommitRequestHandled ||
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// The commit event has been handled normally in the remote process.
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(!mIsChildIgnoringCompositionEvents &&
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WidgetCompositionEvent::IsFollowedByCompositionEnd(aMessage));
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const bool hasPendingCommit = HasPendingCommit();
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if (isCommittedInChild) {
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#if MOZ_DIAGNOSTIC_ASSERT_ENABLED && !defined(FUZZING_SNAPSHOT)
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@ -1455,7 +1449,7 @@ void ContentCacheInParent::OnEventNeedingAckHandled(nsIWidget* aWidget,
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// it'll restart to handle composition events.
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mIsChildIgnoringCompositionEvents = false;
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if (NS_WARN_IF(!mPendingCommitCount)) {
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if (NS_WARN_IF(!hasPendingCommit)) {
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#if MOZ_DIAGNOSTIC_ASSERT_ENABLED && !defined(FUZZING_SNAPSHOT)
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nsPrintfCString info(
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"\nThere is no pending comment events but received "
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@ -1467,14 +1461,8 @@ void ContentCacheInParent::OnEventNeedingAckHandled(nsIWidget* aWidget,
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false,
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"No pending commit events but received unexpected commit event");
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#endif // #if MOZ_DIAGNOSTIC_ASSERT_ENABLED
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// Prevent odd behavior in release channel.
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mPendingCommitCount = 1;
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}
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mPendingCommitCount--;
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} else if (aMessage == eCompositionCommitRequestHandled &&
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mPendingCommitCount) {
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} else if (aMessage == eCompositionCommitRequestHandled && hasPendingCommit) {
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// If the remote process commits composition synchronously after
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// requesting commit composition and we've already sent commit composition,
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// it starts to ignore following composition events until receiving
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@ -1484,7 +1472,7 @@ void ContentCacheInParent::OnEventNeedingAckHandled(nsIWidget* aWidget,
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// If neither widget (i.e., IME) nor the remote process has composition,
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// now, we can forget composition string informations.
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if (mHandlingCompositions.IsEmpty() && !mPendingCommitCount) {
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if (mHandlingCompositions.IsEmpty()) {
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mCompositionStart.reset();
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}
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@ -1515,12 +1503,12 @@ bool ContentCacheInParent::RequestIMEToCommitComposition(
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sContentCacheLog, LogLevel::Info,
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("0x%p RequestToCommitComposition(aWidget=%p, "
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"aCancel=%s, aCompositionId=%" PRIu32
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"), mHandlingCompositions.Length()=%zu, mPendingCommitCount=%" PRIu8
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", mIsChildIgnoringCompositionEvents=%s, "
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"), mHandlingCompositions.Length()=%zu, HasPendingCommit()=%s, "
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"mIsChildIgnoringCompositionEvents=%s, "
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"IMEStateManager::DoesBrowserParentHaveIMEFocus(&mBrowserParent)=%s, "
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"WidgetHasComposition()=%s, mCommitStringByRequest=%p",
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this, aWidget, GetBoolName(aCancel), aCompositionId,
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mHandlingCompositions.Length(), mPendingCommitCount,
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mHandlingCompositions.Length(), GetBoolName(HasPendingCommit()),
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GetBoolName(mIsChildIgnoringCompositionEvents),
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GetBoolName(
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IMEStateManager::DoesBrowserParentHaveIMEFocus(&mBrowserParent)),
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@ -1541,17 +1529,16 @@ bool ContentCacheInParent::RequestIMEToCommitComposition(
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return false;
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}
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// If there is no pending composition, we may have already sent
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// eCompositionCommit(AsIs) event for the active composition. If so, the
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// remote process will receive composition events which causes cleaning up
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// TextComposition. So, this shouldn't do nothing and TextComposition
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// should handle the request as it's handled asynchronously.
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// If there is only a composition which has already sent a commit event, the
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// remote process will receive composition events and clean up
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// TextComposition. So, this should do nothing and TextComposition should
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// handle the request as it's handled asynchronously.
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// XXX Perhaps, this is wrong because TextComposition in child process
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// may commit the composition with current composition string in the
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// remote process. I.e., it may be different from actual commit string
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// which user typed. So, perhaps, we should return true and the commit
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// string.
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if (mPendingCommitCount) {
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if (HasPendingCommit()) {
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#if MOZ_DIAGNOSTIC_ASSERT_ENABLED
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mRequestIMEToCommitCompositionResults.AppendElement(
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RequestIMEToCommitCompositionResult::eToCommittedCompositionReceived);
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@ -467,6 +467,17 @@ class ContentCacheInParent final : public ContentCache {
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!mHandlingCompositions.LastElement().mSentCommitEvent;
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}
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// Return true if there is a pending composition which has already sent
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// a commit event to the remote process, but not yet handled by it.
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[[nodiscard]] bool HasPendingCommit() const {
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for (const HandlingCompositionData& data : mHandlingCompositions) {
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if (data.mSentCommitEvent) {
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return true;
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}
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}
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return false;
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}
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IMENotification mPendingSelectionChange;
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IMENotification mPendingTextChange;
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IMENotification mPendingLayoutChange;
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@ -546,9 +557,6 @@ class ContentCacheInParent final : public ContentCache {
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// are 2 or more pending compositions, this cache won't be used because in
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// such case, anyway ContentCacheInParent cannot return proper character rect.
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uint32_t mPendingCommitLength;
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// mPendingCommitCount is number of eCompositionCommit(AsIs) events which
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// were sent to the child process but not yet handled in it.
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uint8_t mPendingCommitCount;
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// mIsChildIgnoringCompositionEvents is set to true if the child process
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// requests commit composition whose commit has already been sent to it.
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// Then, set to false when the child process ignores the commit event.
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