Indicate whether a touch event will cause scrolling

ui/events/gestures/gesture_provider_aura_unittest.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 "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/gestures/gesture_provider_aura.h"
 
@@ skipping 15 matching lines @@
   GestureProviderAura* provider() { return provider_.get(); }
 
  private:
   scoped_ptr<GestureProviderAura> provider_;
   base::MessageLoopForUI message_loop_;
 };
 
 TEST_F(GestureProviderAuraTest, IgnoresExtraPressEvents) {
   base::TimeDelta time = ui::EventTimeForNow();
   TouchEvent press1(ET_TOUCH_PRESSED, gfx::PointF(10, 10), 0, time);
-  EXPECT_TRUE(provider()->OnTouchEvent(press1));
+  EXPECT_TRUE(provider()->OnTouchEvent(&press1));
 
   time += base::TimeDelta::FromMilliseconds(10);
   TouchEvent press2(ET_TOUCH_PRESSED, gfx::PointF(30, 40), 0, time);
   // Redundant press with same id is ignored.
-  EXPECT_FALSE(provider()->OnTouchEvent(press2));
+  EXPECT_FALSE(provider()->OnTouchEvent(&press2));
 }
 
 TEST_F(GestureProviderAuraTest, IgnoresExtraMoveOrReleaseEvents) {
   base::TimeDelta time = ui::EventTimeForNow();
   TouchEvent press1(ET_TOUCH_PRESSED, gfx::PointF(10, 10), 0, time);
-  EXPECT_TRUE(provider()->OnTouchEvent(press1));
+  EXPECT_TRUE(provider()->OnTouchEvent(&press1));
 
   time += base::TimeDelta::FromMilliseconds(10);
   TouchEvent release1(ET_TOUCH_RELEASED, gfx::PointF(30, 40), 0, time);
-  EXPECT_TRUE(provider()->OnTouchEvent(release1));
+  EXPECT_TRUE(provider()->OnTouchEvent(&release1));
 
   time += base::TimeDelta::FromMilliseconds(10);
   TouchEvent release2(ET_TOUCH_RELEASED, gfx::PointF(30, 45), 0, time);
-  EXPECT_FALSE(provider()->OnTouchEvent(release1));
+  EXPECT_FALSE(provider()->OnTouchEvent(&release1));
 
   time += base::TimeDelta::FromMilliseconds(10);
   TouchEvent move1(ET_TOUCH_MOVED, gfx::PointF(70, 75), 0, time);
-  EXPECT_FALSE(provider()->OnTouchEvent(move1));
+  EXPECT_FALSE(provider()->OnTouchEvent(&move1));
 }
 
 TEST_F(GestureProviderAuraTest, IgnoresIdenticalMoveEvents) {
   const float kRadiusX = 20.f;
   const float kRadiusY = 30.f;
   const float kAngle = 0.321f;
   const float kForce = 40.f;
   const int kTouchId0 = 5;
   const int kTouchId1 = 3;
 
   base::TimeDelta time = ui::EventTimeForNow();
   TouchEvent press0_1(ET_TOUCH_PRESSED, gfx::PointF(9, 10), kTouchId0, time);
-  EXPECT_TRUE(provider()->OnTouchEvent(press0_1));
+  EXPECT_TRUE(provider()->OnTouchEvent(&press0_1));
 
   TouchEvent press1_1(ET_TOUCH_PRESSED, gfx::PointF(40, 40), kTouchId1, time);
-  EXPECT_TRUE(provider()->OnTouchEvent(press1_1));
+  EXPECT_TRUE(provider()->OnTouchEvent(&press1_1));
 
   time += base::TimeDelta::FromMilliseconds(10);
   TouchEvent move0_1(ET_TOUCH_MOVED,
                    gfx::PointF(10, 10),
                    0,
                    kTouchId0,
                    time,
                    kRadiusX,
                    kRadiusY,
                    kAngle,
                    kForce);
-  EXPECT_TRUE(provider()->OnTouchEvent(move0_1));
+  EXPECT_TRUE(provider()->OnTouchEvent(&move0_1));
 
   TouchEvent move1_1(ET_TOUCH_MOVED,
                    gfx::PointF(100, 200),
                    0,
                    kTouchId1,
                    time,
                    kRadiusX,
                    kRadiusY,
                    kAngle,
                    kForce);
-  EXPECT_TRUE(provider()->OnTouchEvent(move1_1));
+  EXPECT_TRUE(provider()->OnTouchEvent(&move1_1));
 
   time += base::TimeDelta::FromMilliseconds(10);
   TouchEvent move0_2(ET_TOUCH_MOVED,
                      gfx::PointF(10, 10),
                      0,
                      kTouchId0,
                      time,
                      kRadiusX,
                      kRadiusY,
                      kAngle,
                      kForce);
   // Nothing has changed, so ignore the move.
-  EXPECT_FALSE(provider()->OnTouchEvent(move0_2));
+  EXPECT_FALSE(provider()->OnTouchEvent(&move0_2));
 
   TouchEvent move1_2(ET_TOUCH_MOVED,
                      gfx::PointF(100, 200),
                      0,
                      kTouchId1,
                      time,
                      kRadiusX,
                      kRadiusY,
                      kAngle,
                      kForce);
   // Nothing has changed, so ignore the move.
-  EXPECT_FALSE(provider()->OnTouchEvent(move1_2));
+  EXPECT_FALSE(provider()->OnTouchEvent(&move1_2));
 
   time += base::TimeDelta::FromMilliseconds(10);
   TouchEvent move0_3(ET_TOUCH_MOVED,
                      gfx::PointF(70, 75.1f),
                      0,
                      kTouchId0,
                      time,
                      kRadiusX,
                      kRadiusY,
                      kAngle,
                      kForce);
   // Position has changed, so don't ignore the move.
-  EXPECT_TRUE(provider()->OnTouchEvent(move0_3));
+  EXPECT_TRUE(provider()->OnTouchEvent(&move0_3));
 
   time += base::TimeDelta::FromMilliseconds(10);
   TouchEvent move0_4(ET_TOUCH_MOVED,
                      gfx::PointF(70, 75.1f),
                      0,
                      kTouchId0,
                      time,
                      kRadiusX,
                      kRadiusY + 1,
                      kAngle,
                      kForce);
 }
 
+// TODO(jdduke): Test whether event marked as scroll trigger.
+
 }  // namespace ui