ViewRoot class for event forwarding on Android

ui/android/view_client.cc

Index: ui/android/view_client.cc
diff --git a/ui/android/view_client.cc b/ui/android/view_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b2442b1bcaa0ce2b65a4031e9ca67cbebe2e2fa9
--- /dev/null
+++ b/ui/android/view_client.cc
@@ -0,0 +1,129 @@
+// Copyright 2017 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/android/view_client.h"
+
+namespace ui {
+
+MotionEventData::MotionEventData(float dip_scale,
+                                 jobject jevent,
+                                 long time,
+                                 int action,
+                                 int pointer_count,
+                                 int history_size,
+                                 int action_index,
+                                 float pos_x0,
+                                 float pos_y0,
+                                 float pos_x1,
+                                 float pos_y1,
+                                 int pointer_id_0,
+                                 int pointer_id_1,
+                                 float touch_major_0,
+                                 float touch_major_1,
+                                 float touch_minor_0,
+                                 float touch_minor_1,
+                                 float orientation_0,
+                                 float orientation_1,
+                                 float tilt_0,
+                                 float tilt_1,
+                                 float raw_pos_x,
+                                 float raw_pos_y,
+                                 int tool_type_0,
+                                 int tool_type_1,
+                                 int button_state,
+                                 int meta_state,
+                                 bool is_touch_handle_event) :
+    dip_scale_(dip_scale),
+    jevent_(jevent),
+    time_(time),
+    action_(action),
+    pointer_count_(pointer_count),
+    history_size_(history_size),
+    action_index_(action_index),
+    pos_x0_(pos_x0),
+    pos_y0_(pos_y0),
+    pos_x1_(pos_x1),
+    pos_y1_(pos_y1),
+    pointer_id_0_(pointer_id_0),
+    pointer_id_1_(pointer_id_1),
+    touch_major_0_(touch_major_0),
+    touch_major_1_(touch_major_1),
+    touch_minor_0_(touch_minor_0),
+    touch_minor_1_(touch_minor_1),
+    orientation_0_(orientation_0),
+    orientation_1_(orientation_1),
+    tilt_0_(tilt_0),
+    tilt_1_(tilt_1),
+    raw_pos_x_(raw_pos_x),
+    raw_pos_y_(raw_pos_y),
+    tool_type_0_(tool_type_0),
+    tool_type_1_(tool_type_1),
+    button_state_(button_state),
+    meta_state_(meta_state),
+    is_touch_handle_event_(is_touch_handle_event) {}
+
+MotionEventData::MotionEventData(const MotionEventData& other) :
+    dip_scale_(other.dip_scale_),
+    jevent_(other.jevent_),
+    time_(other.time_),
+    action_(other.action_),
+    pointer_count_(other.pointer_count_),
+    history_size_(other.history_size_),
+    action_index_(other.action_index_),
+    pos_x0_(other.pos_x0_),
+    pos_y0_(other.pos_y0_),
+    pos_x1_(other.pos_x1_),
+    pos_y1_(other.pos_y1_),
+    pointer_id_0_(other.pointer_id_0_),
+    pointer_id_1_(other.pointer_id_1_),
+    touch_major_0_(other.touch_major_0_),
+    touch_major_1_(other.touch_major_1_),
+    touch_minor_0_(other.touch_minor_0_),
+    touch_minor_1_(other.touch_minor_1_),
+    orientation_0_(other.orientation_0_),
+    orientation_1_(other.orientation_1_),
+    tilt_0_(other.tilt_0_),
+    tilt_1_(other.tilt_1_),
+    raw_pos_x_(other.raw_pos_x_),
+    raw_pos_y_(other.raw_pos_y_),
+    tool_type_0_(other.tool_type_0_),
+    tool_type_1_(other.tool_type_1_),
+    button_state_(other.button_state_),
+    meta_state_(other.meta_state_),
+    is_touch_handle_event_(other.is_touch_handle_event_) {}
+
+MotionEventData MotionEventData::Offset(float delta_x, float delta_y) const {
+  return MotionEventData(dip_scale_,
+                         jevent_,
+                         time_,
+                         action_,
+                         pointer_count_,
+                         history_size_,
+                         action_index_,
+                         pos_x0_ + delta_x,
+                         pos_y0_ + delta_y,
+                         pos_x1_ + delta_x,
+                         pos_y1_ + delta_y,
+                         pointer_id_0_,
+                         pointer_id_1_,
+                         touch_major_0_,
+                         touch_major_1_,
+                         touch_minor_0_,
+                         touch_minor_1_,
+                         orientation_0_,
+                         orientation_1_,
+                         tilt_0_,
+                         tilt_1_,
+                         raw_pos_x_,
+                         raw_pos_y_,
+                         tool_type_0_,
+                         tool_type_1_,
+                         button_state_,
+                         meta_state_,
+                         is_touch_handle_event_);
+}
+
+bool ViewClient::OnTouchEvent(const MotionEventData& event) { return false; }
+
+}  // namespace ui