Implement TouchSelectionEditing controls for OOPIF.

content/browser/renderer_host/render_widget_host_view_aura.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/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include <set>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 900 matching lines @@
     cc::CompositorFrame frame) {
   TRACE_EVENT0("content", "RenderWidgetHostViewAura::OnSwapCompositorFrame");
 
   // Override the background color to the current compositor background.
   // This allows us to, when navigating to a new page, transfer this color to
   // that page. This allows us to pass this background color to new views on
   // navigation.
   UpdateBackgroundColorFromRenderer(frame.metadata.root_background_color);
 
   last_scroll_offset_ = frame.metadata.root_scroll_offset;
-
   cc::Selection<gfx::SelectionBound> selection = frame.metadata.selection;
   if (IsUseZoomForDSFEnabled()) {
     float viewportToDIPScale = 1.0f / current_device_scale_factor_;
     gfx::PointF start_edge_top = selection.start.edge_top();
     gfx::PointF start_edge_bottom = selection.start.edge_bottom();
     gfx::PointF end_edge_top = selection.end.edge_top();
     gfx::PointF end_edge_bottom = selection.end.edge_bottom();
 
     start_edge_top.Scale(viewportToDIPScale);
     start_edge_bottom.Scale(viewportToDIPScale);
     end_edge_top.Scale(viewportToDIPScale);
     end_edge_bottom.Scale(viewportToDIPScale);
 
     selection.start.SetEdge(start_edge_top, start_edge_bottom);
     selection.end.SetEdge(end_edge_top, end_edge_bottom);
   }
 
   if (delegated_frame_host_) {
     delegated_frame_host_->SubmitCompositorFrame(local_surface_id,
                                                  std::move(frame));
   }
-  selection_controller_->OnSelectionBoundsChanged(selection.start,
-                                                  selection.end);
+  if (selection.start != selection_start_ || selection.end != selection_end_) {
+    selection_start_ = selection.start;
+    selection_end_ = selection.end;
+    selection_controller_client_->UpdateClientSelectionBounds(selection_start_,
+                                                              selection_end_);
+  }
 }
 
 void RenderWidgetHostViewAura::OnBeginFrameDidNotSwap(
     const cc::BeginFrameAck& ack) {
   delegated_frame_host_->BeginFrameDidNotSwap(ack);
 }
 
 void RenderWidgetHostViewAura::ClearCompositorFrame() {
   if (delegated_frame_host_)
     delegated_frame_host_->ClearDelegatedFrame();
@@ skipping 825 matching lines @@
     BrowserAccessibilityManager* manager =
         host_->GetRootBrowserAccessibilityManager();
     if (manager)
       manager->OnWindowFocused();
   } else if (window_ == lost_focus) {
     host_->SetActive(false);
     host_->Blur();
 
     DetachFromInputMethod();
 
+    // TODO(wjmaclean): Do we need to let TouchSelectionControllerClientAura
+    // handle this, just in case it stomps on a new highlight in another view
+    // that has just become focused? So far it doesn't appear to be a problem,
+    // but we should keep an eye on it.
     selection_controller_->HideAndDisallowShowingAutomatically();
 
     if (overscroll_controller_)
       overscroll_controller_->Cancel();
 
     BrowserAccessibilityManager* manager =
         host_->GetRootBrowserAccessibilityManager();
     if (manager)
       manager->OnWindowBlurred();
 
@@ skipping 229 matching lines @@
   return root_window->GetHost()->GetInputMethod();
 }
 
 void RenderWidgetHostViewAura::Shutdown() {
   if (!in_shutdown_) {
     in_shutdown_ = true;
     host_->ShutdownAndDestroyWidget(true);
   }
 }
 
+TouchSelectionControllerClientManager*
+RenderWidgetHostViewAura::touch_selection_controller_client_manager() {
+  return selection_controller_client_.get();
+}
+
 bool RenderWidgetHostViewAura::NeedsInputGrab() {
   return popup_type_ == blink::kWebPopupTypePage;
 }
 
 bool RenderWidgetHostViewAura::NeedsMouseCapture() {
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
   return NeedsInputGrab();
 #endif
   return false;
 }
@@ skipping 338 matching lines @@
 }
 
 void RenderWidgetHostViewAura::UpdateNeedsBeginFramesInternal() {
   if (!delegated_frame_host_)
     return;
   delegated_frame_host_->SetNeedsBeginFrames(needs_begin_frames_ ||
                                              needs_flush_input_);
 }
 
 }  // namespace content