wip: Touch Text Selection Prototypes

ui/touch_selection/touch_selection_controller_aura.cc

 // Copyright 2014 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 "ui/touch_selection/touch_selection_controller_aura.h"
 
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/window.h"
 #include "ui/events/event.h"
 #include "ui/events/gesture_detection/gesture_configuration.h"
 #include "ui/events/gestures/motion_event_aura.h"
 #include "ui/touch_selection/touch_handle_drawable_aura.h"
 
 
 namespace ui {
 
 TouchSelectionControllerAura::TouchSelectionControllerAura(
-    TouchSelectionControllerAuraClient* client)
+    TouchSelectionControllerAuraClient* client,
+    TextSelectionGranularityStrategy selection_granularity_strategy)
     : client_(client),
       motion_event_(new MotionEventAura),
       scroll_in_progress_(false),
       overscroll_in_progress_(false),
       handle_drag_in_progress_(false) {
   int tap_timeout_ms =
       GestureConfiguration::GetInstance()->show_press_delay_in_ms();
   int touch_slop =
       GestureConfiguration::GetInstance()->max_touch_move_in_pixels_for_click();
   controller_.reset(new TouchSelectionController(
       this,
       base::TimeDelta::FromMilliseconds(tap_timeout_ms),
       touch_slop,
-      true));
+      true,
+      selection_granularity_strategy));
 }
 
 TouchSelectionControllerAura::~TouchSelectionControllerAura() {
 }
 
+void TouchSelectionControllerAura::SetVelocityStrategyParameters(
+    int halfDecayMs, int threshold) {
+  controller_->SetVelocityStrategyParameters(halfDecayMs, threshold);
+}
+
 void TouchSelectionControllerAura::OnSelectionEditable(bool editable) {
   controller_->OnSelectionEditable(editable);
   UpdateQuickMenu();
 }
 
 void TouchSelectionControllerAura::OnSelectionEmpty(bool empty) {
   controller_->OnSelectionEmpty(empty);
   UpdateQuickMenu();
 }
 
@@ skipping 257 matching lines @@
 void TouchSelectionControllerAura::OnScrollEvent(ScrollEvent* event) {
   LOG(ERROR) << "ScrollEvent: " << event->name();
 
   DCHECK(controller_->is_insertion_active() ||
          controller_->is_selection_active());
 
   HideAndDisallowShowingAutomatically();
 }
 
 }  // namespace ui