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Add MouseWheelPhaseHandler for OSR (issue #2214)

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This commit is contained in:
Alexander Guettler 2018-06-15 15:19:14 -07:00 committed by Marshall Greenblatt
parent 96bd993d99
commit fad6aec5d0
3 changed files with 55 additions and 18 deletions
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49
libcef/browser/osr/render_widget_host_view_osr.cc
View File

@ -223,6 +223,7 @@ CefRenderWidgetHostViewOSR::CefRenderWidgetHostViewOSR(
is_showing_(!render_widget_host_->is_hidden()),
is_destroyed_(false),
is_scroll_offset_changed_pending_(false),
mouse_wheel_phase_handler_(this),
weak_ptr_factory_(this) {
DCHECK(render_widget_host_);
DCHECK(!render_widget_host_->GetView());
@ -1122,21 +1123,32 @@ void CefRenderWidgetHostViewOSR::SendMouseEvent(
void CefRenderWidgetHostViewOSR::SendMouseWheelEvent(
const blink::WebMouseWheelEvent& event) {
TRACE_EVENT0("libcef", "CefRenderWidgetHostViewOSR::SendMouseWheelEvent");
blink::WebMouseWheelEvent mouse_wheel_event(event);
mouse_wheel_phase_handler_.SendWheelEndForTouchpadScrollingIfNeeded();
mouse_wheel_phase_handler_.AddPhaseIfNeededAndScheduleEndEvent(
mouse_wheel_event, false);
if (!IsPopupWidget()) {
if (browser_impl_.get())
browser_impl_->CancelContextMenu();
if (popup_host_view_) {
if (popup_host_view_->popup_position_.Contains(
event.PositionInWidget().x, event.PositionInWidget().y)) {
blink::WebMouseWheelEvent popup_event(event);
popup_event.SetPositionInWidget(
event.PositionInWidget().x - popup_host_view_->popup_position_.x(),
event.PositionInWidget().y - popup_host_view_->popup_position_.y());
popup_event.SetPositionInScreen(popup_event.PositionInWidget().x,
popup_event.PositionInWidget().y);
mouse_wheel_event.PositionInWidget().x,
mouse_wheel_event.PositionInWidget().y)) {
blink::WebMouseWheelEvent popup_mouse_wheel_event(mouse_wheel_event);
popup_mouse_wheel_event.SetPositionInWidget(
mouse_wheel_event.PositionInWidget().x -
popup_host_view_->popup_position_.x(),
mouse_wheel_event.PositionInWidget().y -
popup_host_view_->popup_position_.y());
popup_mouse_wheel_event.SetPositionInScreen(
popup_mouse_wheel_event.PositionInWidget().x,
popup_mouse_wheel_event.PositionInWidget().y);
popup_host_view_->SendMouseWheelEvent(popup_event);
popup_host_view_->SendMouseWheelEvent(popup_mouse_wheel_event);
return;
} else {
// Scrolling outside of the popup widget so destroy it.
@ -1155,16 +1167,17 @@ void CefRenderWidgetHostViewOSR::SendMouseWheelEvent(
}
const gfx::Rect& guest_bounds =
guest_host_view->render_widget_host_->GetView()->GetViewBounds();
if (guest_bounds.Contains(event.PositionInWidget().x,
event.PositionInWidget().y)) {
blink::WebMouseWheelEvent guest_event(event);
guest_event.SetPositionInWidget(
event.PositionInWidget().x - guest_bounds.x(),
event.PositionInWidget().y - guest_bounds.y());
guest_event.SetPositionInScreen(guest_event.PositionInWidget().x,
guest_event.PositionInWidget().y);
if (guest_bounds.Contains(mouse_wheel_event.PositionInWidget().x,
mouse_wheel_event.PositionInWidget().y)) {
blink::WebMouseWheelEvent guest_mouse_wheel_event(mouse_wheel_event);
guest_mouse_wheel_event.SetPositionInWidget(
mouse_wheel_event.PositionInWidget().x - guest_bounds.x(),
mouse_wheel_event.PositionInWidget().y - guest_bounds.y());
guest_mouse_wheel_event.SetPositionInScreen(
guest_mouse_wheel_event.PositionInWidget().x,
guest_mouse_wheel_event.PositionInWidget().y);
guest_host_view->SendMouseWheelEvent(guest_event);
guest_host_view->SendMouseWheelEvent(guest_mouse_wheel_event);
return;
}
}
@ -1174,7 +1187,7 @@ void CefRenderWidgetHostViewOSR::SendMouseWheelEvent(
if (render_widget_host_ && render_widget_host_->GetView()) {
// Direct routing requires that mouse events go directly to the View.
render_widget_host_->GetView()->ProcessMouseWheelEvent(
event, ui::LatencyInfo(ui::SourceEventType::WHEEL));
mouse_wheel_event, ui::LatencyInfo(ui::SourceEventType::WHEEL));
}
}

3
libcef/browser/osr/render_widget_host_view_osr.h
View File

@ -18,6 +18,7 @@
#include "components/viz/common/frame_sinks/begin_frame_source.h"
#include "components/viz/common/surfaces/parent_local_surface_id_allocator.h"
#include "content/browser/renderer_host/delegated_frame_host.h"
#include "content/browser/renderer_host/input/mouse_wheel_phase_handler.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h"
#include "ui/compositor/compositor.h"
@ -369,6 +370,8 @@ class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase,
gfx::Vector2dF last_scroll_offset_;
bool is_scroll_offset_changed_pending_;
content::MouseWheelPhaseHandler mouse_wheel_phase_handler_;
viz::mojom::CompositorFrameSinkClient* renderer_compositor_frame_sink_ =
nullptr;

21
patch/patches/component_build_1617.patch
View File

@ -12,6 +12,27 @@ index 6f32f97e3f92..66da6d5cec53 100644
public:
explicit ContentServiceManagerMainDelegate(const ContentMainParams& params);
~ContentServiceManagerMainDelegate() override;
diff --git content/browser/renderer_host/input/mouse_wheel_phase_handler.h content/browser/renderer_host/input/mouse_wheel_phase_handler.h
index 305095fc420e..f5ca4eda4a66 100644
--- content/browser/renderer_host/input/mouse_wheel_phase_handler.h
+++ content/browser/renderer_host/input/mouse_wheel_phase_handler.h
@@ -7,6 +7,7 @@
#include "base/timer/timer.h"
#include "content/browser/renderer_host/render_widget_host_delegate.h"
+#include "content/common/content_export.h"
#include "content/public/common/input_event_ack_state.h"
#include "third_party/blink/public/platform/web_mouse_wheel_event.h"
@@ -55,7 +56,7 @@ enum class FirstScrollUpdateAckState {
// The MouseWheelPhaseHandler is responsible for adding the proper phase to
// wheel events. Phase information is necessary for wheel scrolling since it
// shows the start and end of a scrolling sequence.
-class MouseWheelPhaseHandler {
+class CONTENT_EXPORT MouseWheelPhaseHandler {
public:
MouseWheelPhaseHandler(RenderWidgetHostViewBase* const host_view);
~MouseWheelPhaseHandler() {}
diff --git third_party/blink/renderer/controller/BUILD.gn third_party/blink/renderer/controller/BUILD.gn
index 20d1994e156e..45102558569f 100644
--- third_party/blink/renderer/controller/BUILD.gn