Make SyntheticPointerAction to flush the pointer action sequence

content/common/input/input_param_traits.cc

 // Copyright 2013 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/common/input/input_param_traits.h"
 
 #include <utility>
 
 #include "content/common/content_param_traits.h"
 #include "content/common/input/synthetic_pinch_gesture_params.h"
+#include "content/common/input/synthetic_pointer_action_list_params.h"
 #include "content/common/input/synthetic_pointer_action_params.h"
 #include "content/common/input/synthetic_smooth_drag_gesture_params.h"
 #include "content/common/input/synthetic_smooth_scroll_gesture_params.h"
 #include "content/common/input_messages.h"
 #include "ui/events/blink/web_input_event_traits.h"
 
 namespace IPC {
 namespace {
 template <typename GestureType>
 std::unique_ptr<content::SyntheticGestureParams> ReadGestureParams(
@@ skipping 57 matching lines @@
                  p.gesture_params()));
       break;
     case content::SyntheticGestureParams::PINCH_GESTURE:
       WriteParam(m, *content::SyntheticPinchGestureParams::Cast(
           p.gesture_params()));
       break;
     case content::SyntheticGestureParams::TAP_GESTURE:
       WriteParam(m, *content::SyntheticTapGestureParams::Cast(
           p.gesture_params()));
       break;
     case content::SyntheticGestureParams::POINTER_ACTION:

[tdresser, 2016/09/30 13:24:30]

Is this still used? Can we just send a list of length 1?

[lanwei, 2016/10/21 21:53:07]

Done.

       WriteParam(
           m, *content::SyntheticPointerActionParams::Cast(p.gesture_params()));
       break;
+    case content::SyntheticGestureParams::POINTER_ACTION_LIST:
+      WriteParam(m, *content::SyntheticPointerActionListParams::Cast(
+                        p.gesture_params()));
+      break;
   }
 }
 
 bool ParamTraits<content::SyntheticGesturePacket>::Read(
     const base::Pickle* m,
     base::PickleIterator* iter,
     param_type* p) {
   content::SyntheticGestureParams::GestureType gesture_type;
   if (!ReadParam(m, iter, &gesture_type))
     return false;
   std::unique_ptr<content::SyntheticGestureParams> gesture_params;
   switch (gesture_type) {
     case content::SyntheticGestureParams::SMOOTH_SCROLL_GESTURE:
       gesture_params =
           ReadGestureParams<content::SyntheticSmoothScrollGestureParams>(m,
                                                                          iter);
       break;
     case content::SyntheticGestureParams::SMOOTH_DRAG_GESTURE:
       gesture_params =
           ReadGestureParams<content::SyntheticSmoothDragGestureParams>(m, iter);
       break;
     case content::SyntheticGestureParams::PINCH_GESTURE:
       gesture_params =
           ReadGestureParams<content::SyntheticPinchGestureParams>(m, iter);
       break;
     case content::SyntheticGestureParams::TAP_GESTURE:
       gesture_params =
           ReadGestureParams<content::SyntheticTapGestureParams>(m, iter);
       break;
-    case content::SyntheticGestureParams::POINTER_ACTION: {
+    case content::SyntheticGestureParams::POINTER_ACTION:
       gesture_params =
           ReadGestureParams<content::SyntheticPointerActionParams>(m, iter);
       break;
-    }
+    case content::SyntheticGestureParams::POINTER_ACTION_LIST:
+      gesture_params =
+          ReadGestureParams<content::SyntheticPointerActionListParams>(m, iter);
+      break;
     default:
       return false;
   }
 
   p->set_gesture_params(std::move(gesture_params));
   return p->gesture_params() != NULL;
 }
 
 void ParamTraits<content::SyntheticGesturePacket>::Log(const param_type& p,
                                                        std::string* l) {
@@ skipping 17 matching lines @@
       break;
     case content::SyntheticGestureParams::TAP_GESTURE:
       LogParam(
           *content::SyntheticTapGestureParams::Cast(p.gesture_params()),
           l);
       break;
     case content::SyntheticGestureParams::POINTER_ACTION:
       LogParam(*content::SyntheticPointerActionParams::Cast(p.gesture_params()),
                l);
       break;
+    case content::SyntheticGestureParams::POINTER_ACTION_LIST:
+      LogParam(
+          *content::SyntheticPointerActionListParams::Cast(p.gesture_params()),
+          l);
+      break;
   }
 }
 
 }  // namespace IPC