Support for Adaptive Handle Orientation

content/browser/renderer_host/render_widget_host_view_android.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_android.h"
 
 #include <android/bitmap.h>
 
 #include "base/android/build_info.h"
 #include "base/basictypes.h"
@@ skipping 256 matching lines @@
 scoped_ptr<ui::TouchSelectionController> CreateSelectionController(
     ui::TouchSelectionControllerClient* client,
     ContentViewCore* content_view_core) {
   DCHECK(client);
   DCHECK(content_view_core);
   ui::TouchSelectionController::Config config;
   config.tap_timeout = base::TimeDelta::FromMilliseconds(
       gfx::ViewConfiguration::GetTapTimeoutInMs());
   config.tap_slop = gfx::ViewConfiguration::GetTouchSlopInDips();
   config.show_on_tap_for_empty_editable = false;
+  config.enable_adaptive_handle_orientation =
+      base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableAdaptiveHandleOrientation);
   config.enable_longpress_drag_selection =
       base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableLongpressDragSelection);
   return make_scoped_ptr(new ui::TouchSelectionController(client, config));
 }
 
 scoped_ptr<OverscrollControllerAndroid> CreateOverscrollController(
     ContentViewCoreImpl* content_view_core) {
   return make_scoped_ptr(new OverscrollControllerAndroid(content_view_core));
 }
@@ skipping 1045 matching lines @@
     overscroll_controller_->OnFrameMetadataUpdated(frame_metadata);
 
   if (selection_controller_) {
     selection_controller_->OnSelectionEditable(
         frame_metadata.selection.is_editable);
     selection_controller_->OnSelectionEmpty(
         frame_metadata.selection.is_empty_text_form_control);
     selection_controller_->OnSelectionBoundsChanged(
         ConvertSelectionBound(frame_metadata.selection.start),
         ConvertSelectionBound(frame_metadata.selection.end));
+
+    // Set parameters for adaptive handle orientation.
+    gfx::SizeF viewport_size(frame_metadata.scrollable_viewport_size);
+    viewport_size.Scale(frame_metadata.page_scale_factor);
+    gfx::RectF viewport_rect(
+        frame_metadata.location_bar_content_translation.x(),
+        frame_metadata.location_bar_content_translation.y(),
+        viewport_size.width(), viewport_size.height());
+    selection_controller_->OnViewportChanged(viewport_rect);
   }
 
   // All offsets and sizes are in CSS pixels.
   content_view_core_->UpdateFrameInfo(
       frame_metadata.root_scroll_offset,
       frame_metadata.page_scale_factor,
       gfx::Vector2dF(frame_metadata.min_page_scale_factor,
                      frame_metadata.max_page_scale_factor),
       frame_metadata.root_layer_size,
       frame_metadata.scrollable_viewport_size,
@@ skipping 679 matching lines @@
   results->orientationAngle = display.RotationAsDegree();
   results->orientationType =
       RenderWidgetHostViewBase::GetOrientationTypeForMobile(display);
   gfx::DeviceDisplayInfo info;
   results->depth = info.GetBitsPerPixel();
   results->depthPerComponent = info.GetBitsPerComponent();
   results->isMonochrome = (results->depthPerComponent == 0);
 }
 
 } // namespace content