Index: content/browser/frame_host/render_widget_host_view_guest.cc |
diff --git a/content/browser/frame_host/render_widget_host_view_guest.cc b/content/browser/frame_host/render_widget_host_view_guest.cc |
index b7e4883f030e2f8e444a85d9318ffd0b68f3a95e..65e14010cda60e28d95b39aebbaf471b83f72cd2 100644 |
--- a/content/browser/frame_host/render_widget_host_view_guest.cc |
+++ b/content/browser/frame_host/render_widget_host_view_guest.cc |
@@ -554,9 +554,38 @@ void RenderWidgetHostViewGuest::GestureEventAck( |
ack_result == INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS; |
// GestureScrollBegin/End are always consumed by the guest, so we only |
// forward GestureScrollUpdate. |
+ // Consumed GestureScrollUpdates and GestureScrollBegins must still be |
+ // forwarded to the owner RWHV so it may update its state. |
if (event.GetType() == blink::WebInputEvent::kGestureScrollUpdate && |
- not_consumed) |
+ not_consumed) { |
guest_->ResendEventToEmbedder(event); |
+ } else if (event.GetType() == blink::WebInputEvent::kGestureScrollUpdate || |
+ event.GetType() == blink::WebInputEvent::kGestureScrollBegin) { |
+ GetOwnerRenderWidgetHostView()->GestureEventAck(event, ack_result); |
+ } |
+} |
+ |
+InputEventAckState RenderWidgetHostViewGuest::FilterInputEvent( |
+ const blink::WebInputEvent& input_event) { |
+ InputEventAckState ack_state = |
+ RenderWidgetHostViewChildFrame::FilterInputEvent(input_event); |
+ if (ack_state != INPUT_EVENT_ACK_STATE_NOT_CONSUMED) |
+ return ack_state; |
+ |
+ // The owner RWHV may want to consume the guest's GestureScrollUpdates. |
+ // Also, we don't resend GestureFlingStarts, GestureScrollBegins, or |
+ // GestureScrollEnds, so we let the owner RWHV know about them here. |
+ if (input_event.GetType() == blink::WebInputEvent::kGestureScrollUpdate || |
+ input_event.GetType() == blink::WebInputEvent::kGestureFlingStart || |
+ input_event.GetType() == blink::WebInputEvent::kGestureScrollBegin || |
+ input_event.GetType() == blink::WebInputEvent::kGestureScrollEnd) { |
+ const blink::WebGestureEvent& gesture_event = |
+ static_cast<const blink::WebGestureEvent&>(input_event); |
+ return GetOwnerRenderWidgetHostView()->FilterChildGestureEvent( |
+ gesture_event); |
+ } |
+ |
+ return INPUT_EVENT_ACK_STATE_NOT_CONSUMED; |
} |
bool RenderWidgetHostViewGuest::IsRenderWidgetHostViewGuest() { |