[Android] Select text when stylus first button is pressed.

content/browser/renderer_host/input/web_input_event_util.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/browser/renderer_host/input/web_input_event_util.h"
 
 #include "base/strings/string_util.h"
 #include "content/common/input/web_touch_event_traits.h"
 #include "ui/events/gesture_detection/gesture_event_data.h"
 #include "ui/events/gesture_detection/motion_event.h"
 
 using blink::WebGestureEvent;
 using blink::WebInputEvent;
+using blink::WebMouseEvent;
 using blink::WebTouchEvent;
 using blink::WebTouchPoint;
 using ui::MotionEvent;
 
 namespace {
 
 const char* GetKeyIdentifier(ui::KeyboardCode key_code) {
   switch (key_code) {
     case ui::VKEY_MENU:
       return "Alt";
@@ skipping 182 matching lines @@
   if (id) {
     base::strlcpy(event->keyIdentifier, id, sizeof(event->keyIdentifier) - 1);
   } else {
     base::snprintf(event->keyIdentifier,
                    sizeof(event->keyIdentifier),
                    "U+%04X",
                    base::ToUpperASCII(static_cast<int>(windows_key_code)));
   }
 }
 
+blink::WebMouseEvent CreateWebMouseEventFromMotionEvent(
+    const ui::MotionEvent& event) {
+  blink::WebMouseEvent result;
+  result.type = WebInputEvent::MouseMove;
+  switch (event.GetAction()) {
+    case MotionEvent::ACTION_DOWN: {
+      result.type = WebInputEvent::MouseDown;
+      result.modifiers |= WebInputEvent::LeftButtonDown;
+      result.clickCount = 1;
+      break;
+    }
+    case MotionEvent::ACTION_UP:
+    case MotionEvent::ACTION_CANCEL: {
+      result.type = WebInputEvent::MouseUp;
+      result.clickCount = 1;
+      break;
+    }
+    case MotionEvent::ACTION_MOVE: {
+      result.type = WebInputEvent::MouseMove;
+      result.modifiers |= WebInputEvent::LeftButtonDown;
+      break;
+    }
+    default: {
+    }
+  }
+  result.timeStampSeconds =
+      (event.GetEventTime() - base::TimeTicks()).InSecondsF();
+  result.x = event.GetX();
+  result.y = event.GetY();
+  result.windowX = event.GetX();
+  result.windowY = event.GetY();
+
+  if (result.type == WebInputEvent::MouseDown ||
+      result.type == WebInputEvent::MouseUp)
+    result.button = WebMouseEvent::ButtonLeft;
+  else
+    result.button = WebMouseEvent::ButtonNone;
+  return result;
+}
+
 blink::WebTouchEvent CreateWebTouchEventFromMotionEvent(
     const ui::MotionEvent& event) {
   blink::WebTouchEvent result;
 
   WebTouchEventTraits::ResetType(
       ToWebInputEventType(event.GetAction()),
       (event.GetEventTime() - base::TimeTicks()).InSecondsF(),
       &result);
 
   result.touchesLength =
@@ skipping 98 matching lines @@
       break;
     default:
       NOTREACHED() << "ui::EventType provided wasn't a valid gesture event.";
       break;
   }
 
   return gesture;
 }
 
 }  // namespace content