| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_INPUT_EVENT_HANDLING_UTIL_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_INPUT_EVENT_HANDLING_UTIL_H_ |
| |
| #include "third_party/blink/public/platform/web_input_event_result.h" |
| #include "third_party/blink/renderer/core/dom/element.h" |
| #include "third_party/blink/renderer/core/frame/local_frame.h" |
| #include "third_party/blink/renderer/core/layout/geometry/physical_offset.h" |
| #include "third_party/blink/renderer/core/layout/hit_test_result.h" |
| #include "third_party/blink/renderer/core/page/event_with_hit_test_results.h" |
| |
| namespace blink { |
| |
| class ContainerNode; |
| class EventTarget; |
| class LocalFrame; |
| class ScrollableArea; |
| class PaintLayer; |
| enum class DispatchEventResult; |
| |
| namespace event_handling_util { |
| |
| HitTestResult HitTestResultInFrame( |
| LocalFrame*, |
| const HitTestLocation&, |
| HitTestRequest::HitTestRequestType hit_type = HitTestRequest::kReadOnly | |
| HitTestRequest::kActive); |
| |
| WebInputEventResult MergeEventResult(WebInputEventResult result_a, |
| WebInputEventResult result_b); |
| WebInputEventResult ToWebInputEventResult(DispatchEventResult); |
| |
| PaintLayer* LayerForNode(Node*); |
| ScrollableArea* AssociatedScrollableArea(const PaintLayer*); |
| |
| bool IsInDocument(EventTarget*); |
| |
| ContainerNode* ParentForClickEvent(const Node&); |
| ContainerNode* ParentForClickEventInteractiveElementSensitive(const Node&); |
| |
| PhysicalOffset ContentPointFromRootFrame(LocalFrame*, |
| const FloatPoint& point_in_root_frame); |
| |
| MouseEventWithHitTestResults PerformMouseEventHitTest(LocalFrame*, |
| const HitTestRequest&, |
| const WebMouseEvent&); |
| |
| LocalFrame* GetTargetSubframe(const MouseEventWithHitTestResults&, |
| Node* capturing_node = nullptr, |
| bool* is_remote_frame = nullptr); |
| |
| LocalFrame* SubframeForTargetNode(Node*, bool* is_remote_frame = nullptr); |
| |
| // Intervention: if an input event lands on a cross-origin iframe that has |
| // moved or resized recently (recent==500ms), and which contains an |
| // IntersectionObserver that is tracking visibility, then the event is quietly |
| // discarded. |
| bool ShouldDiscardEventTargetingFrame(const WebInputEvent& event, |
| const LocalFrame& frame); |
| |
| class PointerEventTarget { |
| DISALLOW_NEW(); |
| |
| public: |
| void Trace(blink::Visitor* visitor) { |
| visitor->Trace(target_element); |
| visitor->Trace(target_frame); |
| } |
| |
| Member<Element> target_element; |
| Member<LocalFrame> target_frame; |
| String region; |
| }; |
| |
| } // namespace event_handling_util |
| |
| } // namespace blink |
| |
| WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS( |
| blink::event_handling_util::PointerEventTarget) |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_INPUT_EVENT_HANDLING_UTIL_H_ |