Intersection Observer support for OOPIF

content/renderer/render_widget.cc

 // Copyright (c) 2012 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.
 
 #include "content/renderer/render_widget.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 600 matching lines @@
     IPC_MESSAGE_HANDLER(ViewMsg_EnableDeviceEmulation,
                         OnEnableDeviceEmulation)
     IPC_MESSAGE_HANDLER(ViewMsg_DisableDeviceEmulation,
                         OnDisableDeviceEmulation)
     IPC_MESSAGE_HANDLER(ViewMsg_WasHidden, OnWasHidden)
     IPC_MESSAGE_HANDLER(ViewMsg_WasShown, OnWasShown)
     IPC_MESSAGE_HANDLER(ViewMsg_Repaint, OnRepaint)
     IPC_MESSAGE_HANDLER(ViewMsg_SetTextDirection, OnSetTextDirection)
     IPC_MESSAGE_HANDLER(ViewMsg_Move_ACK, OnRequestMoveAck)
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateScreenRects, OnUpdateScreenRects)
+    IPC_MESSAGE_HANDLER(ViewMsg_SetViewportIntersection,
+                        OnSetViewportIntersection)
     IPC_MESSAGE_HANDLER(ViewMsg_WaitForNextFrameForTests,
                         OnWaitNextFrameForTests)
     IPC_MESSAGE_HANDLER(InputMsg_RequestCompositionUpdate,
                         OnRequestCompositionUpdate)
     IPC_MESSAGE_HANDLER(ViewMsg_HandleCompositorProto, OnHandleCompositorProto)
     IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
     IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
     IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
     IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
     IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
@@ skipping 998 matching lines @@
 }
 
 void RenderWidget::OnUpdateWindowScreenRect(
     const gfx::Rect& window_screen_rect) {
   if (screen_metrics_emulator_)
     screen_metrics_emulator_->OnUpdateWindowScreenRect(window_screen_rect);
   else
     window_screen_rect_ = window_screen_rect;
 }
 
+void RenderWidget::OnSetViewportIntersection(
+    const gfx::Rect& viewport_intersection) {
+  if (GetWebWidget() && GetWebWidget()->isWebFrameWidget()) {
+    DCHECK(popup_type_ == WebPopupType::WebPopupTypeNone);
+    static_cast<WebFrameWidget*>(GetWebWidget())
+        ->setRemoteViewportIntersection(viewport_intersection);
+  }
+}
+
 void RenderWidget::OnHandleCompositorProto(const std::vector<uint8_t>& proto) {
   if (compositor_)
     compositor_->OnHandleCompositorProto(proto);
 }
 
 void RenderWidget::OnDragTargetDragEnter(
     const std::vector<DropData::Metadata>& drop_meta_data,
     const gfx::Point& client_point,
     const gfx::Point& screen_point,
     WebDragOperationsMask ops,
@@ skipping 606 matching lines @@
     // browser side (https://crbug.com/669219).
     // If there is no WebFrameWidget, then there will be no
     // InputMethodControllers for a WebLocalFrame.
     return nullptr;
   }
   return static_cast<blink::WebFrameWidget*>(GetWebWidget())
       ->getActiveWebInputMethodController();
 }
 
 }  // namespace content