[InputEvent] Fire 'beforeinput' during typing, pressing hot keys and IME composition

third_party/WebKit/Source/core/editing/EditingUtilities.cpp

Index: third_party/WebKit/Source/core/editing/EditingUtilities.cpp
diff --git a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
index 1009d71f978f2299aa926f8f34925526bd279665..bdfadf91e7e879e8979ea1e9a80befa2227020fc 100644
--- a/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
+++ b/third_party/WebKit/Source/core/editing/EditingUtilities.cpp
@@ -1732,4 +1732,34 @@ bool isTextSecurityNode(const Node* node)
     return node && node->layoutObject() && node->layoutObject()->style()->textSecurity() != TSNONE;
 }
 
+DispatchEventResult dispatchBeforeInputInsertText(EventTarget* target, const String& data)
+{
+    if (!RuntimeEnabledFeatures::inputEventEnabled())
+        return DispatchEventResult::NotCanceled;
+    if (!target)
+        return DispatchEventResult::NotCanceled;
+    InputEvent* beforeInputEvent = InputEvent::createBeforeInput(InputEvent::InputType::InsertText, data, InputEvent::EventCancelable::IsCancelable);
+    return target->dispatchEvent(beforeInputEvent);
+}
+
+DispatchEventResult dispatchBeforeInputFromComposition(EventTarget* target, InputEvent::InputType inputType, const String& data)
+{
+    if (!RuntimeEnabledFeatures::inputEventEnabled())
+        return DispatchEventResult::NotCanceled;
+    if (!target)
+        return DispatchEventResult::NotCanceled;
+    InputEvent* beforeInputEvent = InputEvent::createBeforeInput(inputType, data, InputEvent::EventCancelable::NotCancelable);
+    return target->dispatchEvent(beforeInputEvent);
+}
+
+DispatchEventResult dispatchBeforeInputEditorCommand(EventTarget* target, InputEvent::InputType inputType, const String& data)
+{
+    if (!RuntimeEnabledFeatures::inputEventEnabled())
+        return DispatchEventResult::NotCanceled;
+    if (!target)
+        return DispatchEventResult::NotCanceled;
+    InputEvent* beforeInputEvent = InputEvent::createBeforeInput(inputType, data, InputEvent::EventCancelable::IsCancelable);
+    return target->dispatchEvent(beforeInputEvent);
+}
+
 } // namespace blink