| /* |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "third_party/blink/renderer/core/page/page_widget_delegate.h" |
| |
| #include "third_party/blink/public/common/input/web_input_event.h" |
| #include "third_party/blink/renderer/core/accessibility/ax_object_cache.h" |
| #include "third_party/blink/renderer/core/events/web_input_event_conversion.h" |
| #include "third_party/blink/renderer/core/frame/local_frame.h" |
| #include "third_party/blink/renderer/core/frame/local_frame_view.h" |
| #include "third_party/blink/renderer/core/input/event_handler.h" |
| #include "third_party/blink/renderer/core/layout/layout_shift_tracker.h" |
| #include "third_party/blink/renderer/core/layout/layout_view.h" |
| #include "third_party/blink/renderer/core/page/autoscroll_controller.h" |
| #include "third_party/blink/renderer/core/page/page.h" |
| #include "third_party/blink/renderer/core/page/validation_message_client.h" |
| #include "third_party/blink/renderer/platform/runtime_enabled_features.h" |
| |
| namespace blink { |
| |
| void PageWidgetDelegate::Animate(Page& page, |
| base::TimeTicks monotonic_frame_begin_time) { |
| page.GetAutoscrollController().Animate(); |
| page.Animator().ServiceScriptedAnimations(monotonic_frame_begin_time); |
| // The ValidationMessage overlay manages its own internal Page that isn't |
| // hooked up the normal BeginMainFrame flow, so we manually tick its |
| // animations here. |
| page.GetValidationMessageClient().ServiceScriptedAnimations( |
| monotonic_frame_begin_time); |
| } |
| |
| void PageWidgetDelegate::PostAnimate(Page& page) { |
| page.Animator().PostAnimate(); |
| } |
| |
| void PageWidgetDelegate::UpdateLifecycle(Page& page, |
| LocalFrame& root, |
| WebLifecycleUpdate requested_update, |
| DocumentUpdateReason reason) { |
| if (requested_update == WebLifecycleUpdate::kLayout) { |
| page.Animator().UpdateLifecycleToLayoutClean(root, reason); |
| } else if (requested_update == WebLifecycleUpdate::kPrePaint) { |
| page.Animator().UpdateLifecycleToPrePaintClean(root, reason); |
| } else { |
| page.Animator().UpdateAllLifecyclePhases(root, reason); |
| } |
| } |
| |
| void PageWidgetDelegate::DidBeginFrame(LocalFrame& root) { |
| if (LocalFrameView* frame_view = root.View()) |
| frame_view->RunPostLifecycleSteps(); |
| if (Page* page = root.GetPage()) |
| PostAnimate(*page); |
| } |
| |
| WebInputEventResult PageWidgetDelegate::HandleInputEvent( |
| PageWidgetEventHandler& handler, |
| const WebCoalescedInputEvent& coalesced_event, |
| LocalFrame* root) { |
| const WebInputEvent& event = coalesced_event.Event(); |
| if (root) { |
| Document* document = root->GetDocument(); |
| DCHECK(document); |
| if (LocalFrameView* view = document->View()) |
| view->GetLayoutShiftTracker().NotifyInput(event); |
| } |
| |
| if (event.GetModifiers() & WebInputEvent::kIsTouchAccessibility && |
| WebInputEvent::IsMouseEventType(event.GetType())) { |
| WebMouseEvent mouse_event = TransformWebMouseEvent( |
| root->View(), static_cast<const WebMouseEvent&>(event)); |
| |
| HitTestLocation location(root->View()->ConvertFromRootFrame( |
| FlooredIntPoint(mouse_event.PositionInRootFrame()))); |
| HitTestResult result = root->GetEventHandler().HitTestResultAtLocation( |
| location, HitTestRequest::kReadOnly | HitTestRequest::kActive); |
| result.SetToShadowHostIfInRestrictedShadowRoot(); |
| if (result.InnerNodeFrame()) { |
| Document* document = result.InnerNodeFrame()->GetDocument(); |
| if (document) { |
| AXObjectCache* cache = document->ExistingAXObjectCache(); |
| if (cache) { |
| cache->OnTouchAccessibilityHover( |
| result.RoundedPointInInnerNodeFrame()); |
| } |
| } |
| } |
| } |
| |
| switch (event.GetType()) { |
| // FIXME: WebKit seems to always return false on mouse events processing |
| // methods. For now we'll assume it has processed them (as we are only |
| // interested in whether keyboard events are processed). |
| // FIXME: Why do we return HandleSuppressed when there is no root or |
| // the root is detached? |
| case WebInputEvent::Type::kMouseMove: |
| if (!root || !root->View()) |
| return WebInputEventResult::kHandledSuppressed; |
| handler.HandleMouseMove(*root, static_cast<const WebMouseEvent&>(event), |
| coalesced_event.GetCoalescedEventsPointers(), |
| coalesced_event.GetPredictedEventsPointers()); |
| return WebInputEventResult::kHandledSystem; |
| case WebInputEvent::Type::kMouseLeave: |
| if (!root || !root->View()) |
| return WebInputEventResult::kHandledSuppressed; |
| handler.HandleMouseLeave(*root, static_cast<const WebMouseEvent&>(event)); |
| return WebInputEventResult::kHandledSystem; |
| case WebInputEvent::Type::kMouseDown: |
| if (!root || !root->View()) |
| return WebInputEventResult::kHandledSuppressed; |
| handler.HandleMouseDown(*root, static_cast<const WebMouseEvent&>(event)); |
| return WebInputEventResult::kHandledSystem; |
| case WebInputEvent::Type::kMouseUp: |
| if (!root || !root->View()) |
| return WebInputEventResult::kHandledSuppressed; |
| return handler.HandleMouseUp(*root, |
| static_cast<const WebMouseEvent&>(event)); |
| case WebInputEvent::Type::kMouseWheel: |
| if (!root || !root->View()) |
| return WebInputEventResult::kNotHandled; |
| return handler.HandleMouseWheel( |
| *root, static_cast<const WebMouseWheelEvent&>(event)); |
| |
| case WebInputEvent::Type::kRawKeyDown: |
| case WebInputEvent::Type::kKeyDown: |
| case WebInputEvent::Type::kKeyUp: |
| return handler.HandleKeyEvent( |
| static_cast<const WebKeyboardEvent&>(event)); |
| |
| case WebInputEvent::Type::kChar: |
| return handler.HandleCharEvent( |
| static_cast<const WebKeyboardEvent&>(event)); |
| case WebInputEvent::Type::kGestureScrollBegin: |
| case WebInputEvent::Type::kGestureScrollEnd: |
| case WebInputEvent::Type::kGestureScrollUpdate: |
| case WebInputEvent::Type::kGestureFlingStart: |
| case WebInputEvent::Type::kGestureFlingCancel: |
| case WebInputEvent::Type::kGestureTap: |
| case WebInputEvent::Type::kGestureTapUnconfirmed: |
| case WebInputEvent::Type::kGestureTapDown: |
| case WebInputEvent::Type::kGestureShowPress: |
| case WebInputEvent::Type::kGestureTapCancel: |
| case WebInputEvent::Type::kGestureDoubleTap: |
| case WebInputEvent::Type::kGestureTwoFingerTap: |
| case WebInputEvent::Type::kGestureLongPress: |
| case WebInputEvent::Type::kGestureLongTap: |
| return handler.HandleGestureEvent( |
| static_cast<const WebGestureEvent&>(event)); |
| |
| case WebInputEvent::Type::kPointerDown: |
| case WebInputEvent::Type::kPointerUp: |
| case WebInputEvent::Type::kPointerMove: |
| case WebInputEvent::Type::kPointerRawUpdate: |
| case WebInputEvent::Type::kPointerCancel: |
| case WebInputEvent::Type::kPointerCausedUaAction: |
| if (!root || !root->View()) |
| return WebInputEventResult::kNotHandled; |
| return handler.HandlePointerEvent( |
| *root, static_cast<const WebPointerEvent&>(event), |
| coalesced_event.GetCoalescedEventsPointers(), |
| coalesced_event.GetPredictedEventsPointers()); |
| |
| case WebInputEvent::Type::kTouchStart: |
| case WebInputEvent::Type::kTouchMove: |
| case WebInputEvent::Type::kTouchEnd: |
| case WebInputEvent::Type::kTouchCancel: |
| case WebInputEvent::Type::kTouchScrollStarted: |
| NOTREACHED(); |
| return WebInputEventResult::kNotHandled; |
| |
| case WebInputEvent::Type::kGesturePinchBegin: |
| // Gesture pinch events are handled entirely on the compositor. |
| DLOG(INFO) << "Gesture pinch ignored by main thread."; |
| FALLTHROUGH; |
| case WebInputEvent::Type::kGesturePinchEnd: |
| case WebInputEvent::Type::kGesturePinchUpdate: |
| return WebInputEventResult::kNotHandled; |
| default: |
| return WebInputEventResult::kNotHandled; |
| } |
| } |
| |
| // ---------------------------------------------------------------- |
| // Default handlers for PageWidgetEventHandler |
| |
| void PageWidgetEventHandler::HandleMouseMove( |
| LocalFrame& local_root, |
| const WebMouseEvent& event, |
| const std::vector<std::unique_ptr<WebInputEvent>>& coalesced_events, |
| const std::vector<std::unique_ptr<WebInputEvent>>& predicted_events) { |
| WebMouseEvent transformed_event = |
| TransformWebMouseEvent(local_root.View(), event); |
| local_root.GetEventHandler().HandleMouseMoveEvent( |
| transformed_event, |
| TransformWebMouseEventVector(local_root.View(), coalesced_events), |
| TransformWebMouseEventVector(local_root.View(), predicted_events)); |
| } |
| |
| void PageWidgetEventHandler::HandleMouseLeave(LocalFrame& local_root, |
| const WebMouseEvent& event) { |
| WebMouseEvent transformed_event = |
| TransformWebMouseEvent(local_root.View(), event); |
| local_root.GetEventHandler().HandleMouseLeaveEvent(transformed_event); |
| } |
| |
| void PageWidgetEventHandler::HandleMouseDown(LocalFrame& local_root, |
| const WebMouseEvent& event) { |
| WebMouseEvent transformed_event = |
| TransformWebMouseEvent(local_root.View(), event); |
| local_root.GetEventHandler().HandleMousePressEvent(transformed_event); |
| } |
| |
| WebInputEventResult PageWidgetEventHandler::HandleMouseUp( |
| LocalFrame& local_root, |
| const WebMouseEvent& event) { |
| WebMouseEvent transformed_event = |
| TransformWebMouseEvent(local_root.View(), event); |
| return local_root.GetEventHandler().HandleMouseReleaseEvent( |
| transformed_event); |
| } |
| |
| WebInputEventResult PageWidgetEventHandler::HandleMouseWheel( |
| LocalFrame& local_root, |
| const WebMouseWheelEvent& event) { |
| WebMouseWheelEvent transformed_event = |
| TransformWebMouseWheelEvent(local_root.View(), event); |
| return local_root.GetEventHandler().HandleWheelEvent(transformed_event); |
| } |
| |
| WebInputEventResult PageWidgetEventHandler::HandlePointerEvent( |
| LocalFrame& local_root, |
| const WebPointerEvent& event, |
| const std::vector<std::unique_ptr<WebInputEvent>>& coalesced_events, |
| const std::vector<std::unique_ptr<WebInputEvent>>& predicted_events) { |
| WebPointerEvent transformed_event = |
| TransformWebPointerEvent(local_root.View(), event); |
| return local_root.GetEventHandler().HandlePointerEvent( |
| transformed_event, |
| TransformWebPointerEventVector(local_root.View(), coalesced_events), |
| TransformWebPointerEventVector(local_root.View(), predicted_events)); |
| } |
| |
| } // namespace blink |
