Reland: Implement Aura side of unified touch text selection for contents

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 33 matching lines @@
 #include "content/browser/gpu/browser_gpu_channel_host_factory.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
 #include "content/browser/media/media_web_contents_observer.h"
 #include "content/browser/renderer_host/compositor_impl_android.h"
 #include "content/browser/renderer_host/dip_util.h"
 #include "content/browser/renderer_host/frame_metadata_util.h"
 #include "content/browser/renderer_host/input/synthetic_gesture_target_android.h"
+#include "content/browser/renderer_host/input/ui_touch_selection_helper.h"
 #include "content/browser/renderer_host/input/web_input_event_builders_android.h"
 #include "content/browser/renderer_host/input/web_input_event_util.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/gpu/client/gl_helper.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "content/common/input/did_overscroll_params.h"
@@ skipping 219 matching lines @@
 
 ui::GestureProvider::Config CreateGestureProviderConfig() {
   ui::GestureProvider::Config config = ui::GetGestureProviderConfig(
       ui::GestureProviderConfigType::CURRENT_PLATFORM);
   config.disable_click_delay =
       base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableClickDelay);
   return config;
 }
 
-ui::SelectionBound::Type ConvertSelectionBoundType(
-    cc::SelectionBoundType type) {
-  switch (type) {
-    case cc::SELECTION_BOUND_LEFT:
-      return ui::SelectionBound::LEFT;
-    case cc::SELECTION_BOUND_RIGHT:
-      return ui::SelectionBound::RIGHT;
-    case cc::SELECTION_BOUND_CENTER:
-      return ui::SelectionBound::CENTER;
-    case cc::SELECTION_BOUND_EMPTY:
-      return ui::SelectionBound::EMPTY;
-  }
-  NOTREACHED() << "Unknown selection bound type";
-  return ui::SelectionBound::EMPTY;
-}
-
-ui::SelectionBound ConvertSelectionBound(
-    const cc::ViewportSelectionBound& bound) {
-  ui::SelectionBound ui_bound;
-  ui_bound.set_type(ConvertSelectionBoundType(bound.type));
-  ui_bound.set_visible(bound.visible);
-  if (ui_bound.type() != ui::SelectionBound::EMPTY)
-    ui_bound.SetEdge(bound.edge_top, bound.edge_bottom);
-  return ui_bound;
-}
-
 gfx::RectF GetSelectionRect(const ui::TouchSelectionController& controller) {
   gfx::RectF rect = controller.GetRectBetweenBounds();
   if (rect.IsEmpty())
     return rect;
 
   rect.Union(controller.GetStartHandleRect());
   rect.Union(controller.GetEndHandleRect());
   return rect;
 }
 
@@ skipping 1005 matching lines @@
     return content_view_core_->CreatePopupTouchHandleDrawable();
 
   return scoped_ptr<ui::TouchHandleDrawable>(new CompositedTouchHandleDrawable(
       content_view_core_->GetLayer().get(),
       content_view_core_->GetDpiScale(),
       // Use the activity context (instead of the application context) to ensure
       // proper handle theming.
       content_view_core_->GetContext().obj()));
 }
 
+void RenderWidgetHostViewAndroid::OnScrollStarted() {
+}
+
+void RenderWidgetHostViewAndroid::OnScrollCompleted() {
+}
+
 void RenderWidgetHostViewAndroid::SynchronousCopyContents(
     const gfx::Rect& src_subrect_in_pixel,
     const gfx::Size& dst_size_in_pixel,
     ReadbackRequestCallback& callback,
     const SkColorType color_type) {
   gfx::Size input_size_in_pixel;
   if (src_subrect_in_pixel.IsEmpty())
     input_size_in_pixel = content_size_in_layer_;
   else
     input_size_in_pixel = src_subrect_in_pixel.size();
@@ skipping 36 matching lines @@
     return;
 
   if (overscroll_controller_)
     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(
+    selection_controller_->OnSelectionBoundsUpdated(
         ConvertSelectionBound(frame_metadata.selection.start),
         ConvertSelectionBound(frame_metadata.selection.end));
   }
 
   // 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),
@@ skipping 369 matching lines @@
   // of the region have been updated, explicitly set the properties now.
   // TODO(jdduke): Remove this workaround when auxiliary paste popup
   // notifications are no longer required, crbug.com/398170.
   ui::SelectionBound insertion_bound;
   insertion_bound.set_type(ui::SelectionBound::CENTER);
   insertion_bound.set_visible(true);
   insertion_bound.SetEdge(point, point);
   selection_controller_->HideAndDisallowShowingAutomatically();
   selection_controller_->OnSelectionEditable(true);
   selection_controller_->OnSelectionEmpty(true);
-  selection_controller_->OnSelectionBoundsChanged(insertion_bound,
+  selection_controller_->OnSelectionBoundsUpdated(insertion_bound,
                                                   insertion_bound);
   selection_controller_->AllowShowingFromCurrentSelection();
 }
 
 SkColor RenderWidgetHostViewAndroid::GetCachedBackgroundColor() const {
   return cached_background_color_;
 }
 
 void RenderWidgetHostViewAndroid::DidOverscroll(
     const DidOverscrollParams& params) {
@@ skipping 275 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