NS_IMETHODIMP
TextComposition::CompositionEventDispatcher::Run()
{
nsRefPtr<nsPresContext> presContext = mTextComposition->mPresContext;
if (!presContext || !presContext->GetPresShell() ||
presContext->GetPresShell()->IsDestroying()) {
return NS_OK; // cannot dispatch any events anymore
}
// The widget can be different from the widget which has dispatched
// composition events because GetWidget() returns a widget which is proper
// for calling NotifyIME(). However, this must no be problem since both
// widget should share native IME context. Therefore, even if an event
// handler uses the widget for requesting IME to commit or cancel, it works.
nsCOMPtr<nsIWidget> widget(mTextComposition->GetWidget());
if (NS_WARN_IF(!widget)) {
return NS_OK; // cannot dispatch any events anymore
}
nsEventStatus status = nsEventStatus_eIgnore;
switch (mEventMessage) {
case NS_COMPOSITION_START: {
WidgetCompositionEvent compStart(true, NS_COMPOSITION_START, widget);
WidgetQueryContentEvent selectedText(true, NS_QUERY_SELECTED_TEXT,
widget);
ContentEventHandler handler(presContext);
handler.OnQuerySelectedText(&selectedText);
NS_ASSERTION(selectedText.mSucceeded, "Failed to get selected text");
compStart.mData = selectedText.mReply.mString;
compStart.mFlags.mIsSynthesizedForTests =
mTextComposition->IsSynthesizedForTests();
IMEStateManager::DispatchCompositionEvent(mEventTarget, presContext,
&compStart, &status, nullptr,
mIsSynthesizedEvent);
break;
}
case NS_COMPOSITION_END:
case NS_COMPOSITION_CHANGE: {
WidgetCompositionEvent compEvent(true, mEventMessage, widget);
compEvent.mData = mData;
compEvent.mFlags.mIsSynthesizedForTests =
mTextComposition->IsSynthesizedForTests();
IMEStateManager::DispatchCompositionEvent(mEventTarget, presContext,
&compEvent, &status, nullptr,
mIsSynthesizedEvent);
break;
}
default:
MOZ_CRASH("Unsupported event");
}
return NS_OK;
}
NS_IMETHODIMP
TextComposition::CompositionEventDispatcher::Run()
{
// The widget can be different from the widget which has dispatched
// composition events because GetWidget() returns a widget which is proper
// for calling NotifyIME(). However, this must no be problem since both
// widget should share native IME context. Therefore, even if an event
// handler uses the widget for requesting IME to commit or cancel, it works.
nsCOMPtr<nsIWidget> widget(mTextComposition->GetWidget());
if (!mTextComposition->IsValidStateForComposition(widget)) {
return NS_OK; // cannot dispatch any events anymore
}
RefPtr<nsPresContext> presContext = mTextComposition->mPresContext;
nsEventStatus status = nsEventStatus_eIgnore;
switch (mEventMessage) {
case eCompositionStart: {
WidgetCompositionEvent compStart(true, eCompositionStart, widget);
compStart.mNativeIMEContext = mTextComposition->mNativeContext;
WidgetQueryContentEvent selectedText(true, eQuerySelectedText, widget);
ContentEventHandler handler(presContext);
handler.OnQuerySelectedText(&selectedText);
NS_ASSERTION(selectedText.mSucceeded, "Failed to get selected text");
compStart.mData = selectedText.mReply.mString;
compStart.mFlags.mIsSynthesizedForTests =
mTextComposition->IsSynthesizedForTests();
IMEStateManager::DispatchCompositionEvent(mEventTarget, presContext,
&compStart, &status, nullptr,
mIsSynthesizedEvent);
break;
}
case eCompositionChange:
case eCompositionCommitAsIs:
case eCompositionCommit: {
WidgetCompositionEvent compEvent(true, mEventMessage, widget);
compEvent.mNativeIMEContext = mTextComposition->mNativeContext;
if (mEventMessage != eCompositionCommitAsIs) {
compEvent.mData = mData;
}
compEvent.mFlags.mIsSynthesizedForTests =
mTextComposition->IsSynthesizedForTests();
IMEStateManager::DispatchCompositionEvent(mEventTarget, presContext,
&compEvent, &status, nullptr,
mIsSynthesizedEvent);
break;
}
default:
MOZ_CRASH("Unsupported event");
}
return NS_OK;
}
NS_IMETHODIMP
TextComposition::CompositionEventDispatcher::Run()
{
if (!mPresContext->GetPresShell() ||
mPresContext->GetPresShell()->IsDestroying()) {
return NS_OK; // cannot dispatch any events anymore
}
nsEventStatus status = nsEventStatus_eIgnore;
switch (mEventMessage) {
case NS_COMPOSITION_START: {
nsCompositionEvent compStart(true, NS_COMPOSITION_START, mWidget);
nsQueryContentEvent selectedText(true, NS_QUERY_SELECTED_TEXT, mWidget);
nsContentEventHandler handler(mPresContext);
handler.OnQuerySelectedText(&selectedText);
NS_ASSERTION(selectedText.mSucceeded, "Failed to get selected text");
compStart.data = selectedText.mReply.mString;
nsIMEStateManager::DispatchCompositionEvent(mEventTarget, mPresContext,
&compStart, &status, nullptr);
break;
}
case NS_COMPOSITION_UPDATE:
case NS_COMPOSITION_END: {
nsCompositionEvent compEvent(true, mEventMessage, mWidget);
compEvent.data = mData;
nsIMEStateManager::DispatchCompositionEvent(mEventTarget, mPresContext,
&compEvent, &status, nullptr);
break;
}
case NS_TEXT_TEXT: {
nsTextEvent textEvent(true, NS_TEXT_TEXT, mWidget);
textEvent.theText = mData;
nsIMEStateManager::DispatchCompositionEvent(mEventTarget, mPresContext,
&textEvent, &status, nullptr);
break;
}
default:
MOZ_NOT_REACHED("Unsupported event");
break;
}
return NS_OK;
}
