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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/browser/frame_host/render_widget_host_view_guest.h" | 5 #include "content/browser/frame_host/render_widget_host_view_guest.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/bind_helpers.h" | 9 #include "base/bind_helpers.h" |
10 #include "base/command_line.h" | 10 #include "base/command_line.h" |
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547 } | 547 } |
548 } | 548 } |
549 | 549 |
550 void RenderWidgetHostViewGuest::GestureEventAck( | 550 void RenderWidgetHostViewGuest::GestureEventAck( |
551 const blink::WebGestureEvent& event, | 551 const blink::WebGestureEvent& event, |
552 InputEventAckState ack_result) { | 552 InputEventAckState ack_result) { |
553 bool not_consumed = ack_result == INPUT_EVENT_ACK_STATE_NOT_CONSUMED || | 553 bool not_consumed = ack_result == INPUT_EVENT_ACK_STATE_NOT_CONSUMED || |
554 ack_result == INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS; | 554 ack_result == INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS; |
555 // GestureScrollBegin/End are always consumed by the guest, so we only | 555 // GestureScrollBegin/End are always consumed by the guest, so we only |
556 // forward GestureScrollUpdate. | 556 // forward GestureScrollUpdate. |
| 557 // Consumed GestureScrollUpdates and GestureScrollBegins must still be |
| 558 // forwarded to the owner RWHV so it may update its state. |
557 if (event.GetType() == blink::WebInputEvent::kGestureScrollUpdate && | 559 if (event.GetType() == blink::WebInputEvent::kGestureScrollUpdate && |
558 not_consumed) | 560 not_consumed) { |
559 guest_->ResendEventToEmbedder(event); | 561 guest_->ResendEventToEmbedder(event); |
| 562 } else if (event.GetType() == blink::WebInputEvent::kGestureScrollUpdate || |
| 563 event.GetType() == blink::WebInputEvent::kGestureScrollBegin) { |
| 564 GetOwnerRenderWidgetHostView()->GestureEventAck(event, ack_result); |
| 565 } |
| 566 } |
| 567 |
| 568 InputEventAckState RenderWidgetHostViewGuest::FilterInputEvent( |
| 569 const blink::WebInputEvent& input_event) { |
| 570 InputEventAckState ack_state = |
| 571 RenderWidgetHostViewChildFrame::FilterInputEvent(input_event); |
| 572 if (ack_state != INPUT_EVENT_ACK_STATE_NOT_CONSUMED) |
| 573 return ack_state; |
| 574 |
| 575 // The owner RWHV may want to consume the guest's GestureScrollUpdates. |
| 576 // Also, we don't resend GestureFlingStarts, GestureScrollBegins, or |
| 577 // GestureScrollEnds, so we let the owner RWHV know about them here. |
| 578 if (input_event.GetType() == blink::WebInputEvent::kGestureScrollUpdate || |
| 579 input_event.GetType() == blink::WebInputEvent::kGestureFlingStart || |
| 580 input_event.GetType() == blink::WebInputEvent::kGestureScrollBegin || |
| 581 input_event.GetType() == blink::WebInputEvent::kGestureScrollEnd) { |
| 582 const blink::WebGestureEvent& gesture_event = |
| 583 static_cast<const blink::WebGestureEvent&>(input_event); |
| 584 return GetOwnerRenderWidgetHostView()->FilterChildGestureEvent( |
| 585 gesture_event); |
| 586 } |
| 587 |
| 588 return INPUT_EVENT_ACK_STATE_NOT_CONSUMED; |
560 } | 589 } |
561 | 590 |
562 bool RenderWidgetHostViewGuest::IsRenderWidgetHostViewGuest() { | 591 bool RenderWidgetHostViewGuest::IsRenderWidgetHostViewGuest() { |
563 return true; | 592 return true; |
564 } | 593 } |
565 | 594 |
566 void RenderWidgetHostViewGuest::OnHandleInputEvent( | 595 void RenderWidgetHostViewGuest::OnHandleInputEvent( |
567 RenderWidgetHostImpl* embedder, | 596 RenderWidgetHostImpl* embedder, |
568 int browser_plugin_instance_id, | 597 int browser_plugin_instance_id, |
569 const blink::WebInputEvent* event) { | 598 const blink::WebInputEvent* event) { |
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656 host_->ForwardGestureEvent(gesture_event); | 685 host_->ForwardGestureEvent(gesture_event); |
657 return; | 686 return; |
658 } | 687 } |
659 } | 688 } |
660 | 689 |
661 bool RenderWidgetHostViewGuest::HasEmbedderChanged() { | 690 bool RenderWidgetHostViewGuest::HasEmbedderChanged() { |
662 return guest_ && guest_->has_attached_since_surface_set(); | 691 return guest_ && guest_->has_attached_since_surface_set(); |
663 } | 692 } |
664 | 693 |
665 } // namespace content | 694 } // namespace content |
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