void
TextComposition::NotityUpdateComposition(WidgetGUIEvent* aEvent)
{
nsEventStatus status;
// When compositon start, notify the rect of first offset character.
// When not compositon start, notify the rect of selected composition
// string if text event.
if (aEvent->message == NS_COMPOSITION_START) {
nsCOMPtr<nsIWidget> widget = mPresContext->GetRootWidget();
// Update composition start offset
WidgetQueryContentEvent selectedTextEvent(true,
NS_QUERY_SELECTED_TEXT,
widget);
widget->DispatchEvent(&selectedTextEvent, status);
if (selectedTextEvent.mSucceeded) {
mCompositionStartOffset = selectedTextEvent.mReply.mOffset;
} else {
// Unknown offset
NS_WARNING("Cannot get start offset of IME composition");
mCompositionStartOffset = 0;
}
mCompositionTargetOffset = mCompositionStartOffset;
} else if (aEvent->mClass != eTextEventClass) {
return;
} else {
mCompositionTargetOffset =
mCompositionStartOffset + aEvent->AsTextEvent()->TargetClauseOffset();
}
NotifyIME(NOTIFY_IME_OF_COMPOSITION_UPDATE);
}
void
TextComposition::MaybeNotifyIMEOfCompositionEventHandled(
const WidgetCompositionEvent* aCompositionEvent)
{
if (aCompositionEvent->mMessage != eCompositionStart &&
!aCompositionEvent->CausesDOMTextEvent()) {
return;
}
RefPtr<IMEContentObserver> contentObserver =
IMEStateManager::GetActiveContentObserver();
// When IMEContentObserver is managing the editor which has this composition,
// composition event handled notification should be sent after the observer
// notifies all pending notifications. Therefore, we should use it.
// XXX If IMEContentObserver suddenly loses focus after here and notifying
// widget of pending notifications, we won't notify widget of composition
// event handled. Although, this is a bug but it should be okay since
// destroying IMEContentObserver notifies IME of blur. So, native IME
// handler can treat it as this notification too.
if (contentObserver && contentObserver->IsManaging(this)) {
contentObserver->MaybeNotifyCompositionEventHandled();
return;
}
// Otherwise, e.g., this composition is in non-active window, we should
// notify widget directly.
NotifyIME(NOTIFY_IME_OF_COMPOSITION_EVENT_HANDLED);
}
void
TextComposition::NotityUpdateComposition(
const WidgetCompositionEvent* aCompositionEvent)
{
MOZ_RELEASE_ASSERT(!mTabParent);
nsEventStatus status;
// When compositon start, notify the rect of first offset character.
// When not compositon start, notify the rect of selected composition
// string if compositionchange event.
if (aCompositionEvent->mMessage == eCompositionStart) {
nsCOMPtr<nsIWidget> widget = mPresContext->GetRootWidget();
// Update composition start offset
WidgetQueryContentEvent selectedTextEvent(true, eQuerySelectedText, widget);
widget->DispatchEvent(&selectedTextEvent, status);
if (selectedTextEvent.mSucceeded) {
mCompositionStartOffset = selectedTextEvent.mReply.mOffset;
} else {
// Unknown offset
NS_WARNING("Cannot get start offset of IME composition");
mCompositionStartOffset = 0;
}
mCompositionTargetOffset = mCompositionStartOffset;
} else if (aCompositionEvent->CausesDOMTextEvent()) {
mCompositionTargetOffset =
mCompositionStartOffset + aCompositionEvent->TargetClauseOffset();
} else {
return;
}
NotifyIME(NOTIFY_IME_OF_COMPOSITION_UPDATE);
}
// static
void
IMEHandler::SetInputContext(nsWindow* aWindow,
InputContext& aInputContext,
const InputContextAction& aAction)
{
// FYI: If there is no composition, this call will do nothing.
NotifyIME(aWindow, REQUEST_TO_COMMIT_COMPOSITION);
// Assume that SetInputContext() is called only when aWindow has focus.
sPluginHasFocus = (aInputContext.mIMEState.mEnabled == IMEState::PLUGIN);
bool enable = IsIMEEnabled(aInputContext);
bool adjustOpenState = (enable &&
aInputContext.mIMEState.mOpen != IMEState::DONT_CHANGE_OPEN_STATE);
bool open = (adjustOpenState &&
aInputContext.mIMEState.mOpen == IMEState::OPEN);
aInputContext.mNativeIMEContext = nullptr;
#ifdef NS_ENABLE_TSF
// Note that even while a plugin has focus, we need to notify TSF of that.
if (sIsInTSFMode) {
nsTextStore::SetInputContext(aWindow, aInputContext, aAction);
if (IsTSFAvailable()) {
aInputContext.mNativeIMEContext = nsTextStore::GetTextStore();
if (adjustOpenState) {
nsTextStore::SetIMEOpenState(open);
}
return;
}
} else {
// Set at least InputScope even when TextStore is not available.
SetInputScopeForIMM32(aWindow, aInputContext.mHTMLInputType);
}
#endif // #ifdef NS_ENABLE_TSF
nsIMEContext IMEContext(aWindow->GetWindowHandle());
if (enable) {
IMEContext.AssociateDefaultContext();
if (!aInputContext.mNativeIMEContext) {
aInputContext.mNativeIMEContext = static_cast<void*>(IMEContext.get());
}
} else if (!aWindow->Destroyed()) {
// Don't disassociate the context after the window is destroyed.
IMEContext.Disassociate();
if (!aInputContext.mNativeIMEContext) {
// The old InputContext must store the default IMC.
aInputContext.mNativeIMEContext =
aWindow->GetInputContext().mNativeIMEContext;
}
}
if (adjustOpenState) {
IMEContext.SetOpenState(open);
}
}
// static
void
IMEHandler::SetInputContext(nsWindow* aWindow, InputContext& aInputContext)
{
// FYI: If there is no composition, this call will do nothing.
NotifyIME(aWindow, REQUEST_TO_COMMIT_COMPOSITION);
// Assume that SetInputContext() is called only when aWindow has focus.
sPluginHasFocus = (aInputContext.mIMEState.mEnabled == IMEState::PLUGIN);
bool enable = IsIMEEnabled(aInputContext);
bool adjustOpenState = (enable &&
aInputContext.mIMEState.mOpen != IMEState::DONT_CHANGE_OPEN_STATE);
bool open = (adjustOpenState &&
aInputContext.mIMEState.mOpen == IMEState::OPEN);
aInputContext.mNativeIMEContext = nullptr;
#ifdef NS_ENABLE_TSF
// Note that even while a plugin has focus, we need to notify TSF of that.
if (sIsInTSFMode) {
nsTextStore::SetInputContext(aInputContext);
if (IsTSFAvailable()) {
aInputContext.mNativeIMEContext = nsTextStore::GetTextStore();
}
// Currently, nsTextStore doesn't set focus to keyboard disabled document.
// Therefore, we still need to perform the following legacy code.
}
#endif // #ifdef NS_ENABLE_TSF
nsIMEContext IMEContext(aWindow->GetWindowHandle());
if (enable) {
IMEContext.AssociateDefaultContext();
if (!aInputContext.mNativeIMEContext) {
aInputContext.mNativeIMEContext = static_cast<void*>(IMEContext.get());
}
} else if (!aWindow->Destroyed()) {
// Don't disassociate the context after the window is destroyed.
IMEContext.Disassociate();
if (!aInputContext.mNativeIMEContext) {
// The old InputContext must store the default IMC.
aInputContext.mNativeIMEContext =
aWindow->GetInputContext().mNativeIMEContext;
}
}
if (adjustOpenState) {
#ifdef NS_ENABLE_TSF
if (IsTSFAvailable()) {
nsTextStore::SetIMEOpenState(open);
return;
}
#endif // #ifdef NS_ENABLE_TSF
IMEContext.SetOpenState(open);
}
}
void
TextComposition::NotityUpdateComposition(WidgetGUIEvent* aEvent)
{
nsEventStatus status;
// When compositon start, notify the rect of first offset character.
// When not compositon start, notify the rect of selected composition
// string if text event.
if (aEvent->message == NS_COMPOSITION_START) {
nsCOMPtr<nsIWidget> widget = mPresContext->GetRootWidget();
// Update composition start offset
WidgetQueryContentEvent selectedTextEvent(true,
NS_QUERY_SELECTED_TEXT,
widget);
widget->DispatchEvent(&selectedTextEvent, status);
if (selectedTextEvent.mSucceeded) {
mCompositionStartOffset = selectedTextEvent.mReply.mOffset;
} else {
// Unknown offset
NS_WARNING("Cannot get start offset of IME composition");
mCompositionStartOffset = 0;
}
mCompositionTargetOffset = mCompositionStartOffset;
} else if (aEvent->eventStructType != NS_TEXT_EVENT) {
return;
} else {
WidgetTextEvent* textEvent = aEvent->AsTextEvent();
mCompositionTargetOffset = mCompositionStartOffset;
for (uint32_t i = 0; i < textEvent->rangeCount; i++) {
TextRange& range = textEvent->rangeArray[i];
if (range.mRangeType == NS_TEXTRANGE_SELECTEDRAWTEXT ||
range.mRangeType == NS_TEXTRANGE_SELECTEDCONVERTEDTEXT) {
mCompositionTargetOffset += range.mStartOffset;
break;
}
}
}
NotifyIME(widget::NotificationToIME::NOTIFY_IME_OF_COMPOSITION_UPDATE);
}
// static
void
IMEHandler::SetInputContext(nsWindow* aWindow,
InputContext& aInputContext,
const InputContextAction& aAction)
{
// FYI: If there is no composition, this call will do nothing.
NotifyIME(aWindow, IMENotification(REQUEST_TO_COMMIT_COMPOSITION));
const InputContext& oldInputContext = aWindow->GetInputContext();
// Assume that SetInputContext() is called only when aWindow has focus.
sPluginHasFocus = (aInputContext.mIMEState.mEnabled == IMEState::PLUGIN);
bool enable = WinUtils::IsIMEEnabled(aInputContext);
bool adjustOpenState = (enable &&
aInputContext.mIMEState.mOpen != IMEState::DONT_CHANGE_OPEN_STATE);
bool open = (adjustOpenState &&
aInputContext.mIMEState.mOpen == IMEState::OPEN);
aInputContext.mNativeIMEContext = nullptr;
#ifdef NS_ENABLE_TSF
// Note that even while a plugin has focus, we need to notify TSF of that.
if (sIsInTSFMode) {
nsTextStore::SetInputContext(aWindow, aInputContext, aAction);
if (IsTSFAvailable()) {
aInputContext.mNativeIMEContext = nsTextStore::GetTextStore();
if (sIsIMMEnabled) {
// Associate IME context for IMM-IMEs.
AssociateIMEContext(aWindow, enable);
} else if (oldInputContext.mIMEState.mEnabled == IMEState::PLUGIN) {
// Disassociate the IME context from the window when plugin loses focus
// in pure TSF mode.
AssociateIMEContext(aWindow, false);
}
if (adjustOpenState) {
nsTextStore::SetIMEOpenState(open);
}
return;
}
} else {
// Set at least InputScope even when TextStore is not available.
SetInputScopeForIMM32(aWindow, aInputContext.mHTMLInputType);
}
#endif // #ifdef NS_ENABLE_TSF
AssociateIMEContext(aWindow, enable);
nsIMEContext IMEContext(aWindow->GetWindowHandle());
if (adjustOpenState) {
IMEContext.SetOpenState(open);
}
if (aInputContext.mNativeIMEContext) {
return;
}
// The old InputContext must store the default IMC or old TextStore.
// When IME context is disassociated from the window, use it.
aInputContext.mNativeIMEContext = enable ?
static_cast<void*>(IMEContext.get()) : oldInputContext.mNativeIMEContext;
}
