Revert 263644 "[DevTools] Touch emulation in content."

trunk/src/content/browser/renderer_host/input/touch_emulator_unittest.cc

Index: trunk/src/content/browser/renderer_host/input/touch_emulator_unittest.cc
===================================================================
--- trunk/src/content/browser/renderer_host/input/touch_emulator_unittest.cc	(revision 263646)
+++ trunk/src/content/browser/renderer_host/input/touch_emulator_unittest.cc	(working copy)
@@ -1,318 +0,0 @@
-// 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 <vector>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop.h"
-#include "base/time/time.h"
-#include "content/browser/renderer_host/input/touch_emulator.h"
-#include "content/browser/renderer_host/input/touch_emulator_client.h"
-#include "content/common/input/web_input_event_traits.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/events/gesture_detection/gesture_config_helper.h"
-
-#if defined(USE_AURA)
-#include "ui/aura/env.h"
-#include "ui/aura/test/test_screen.h"
-#endif
-
-using blink::WebGestureEvent;
-using blink::WebInputEvent;
-using blink::WebKeyboardEvent;
-using blink::WebMouseEvent;
-using blink::WebTouchEvent;
-using blink::WebTouchPoint;
-
-namespace content {
-
-class TouchEmulatorTest : public testing::Test,
-                          public TouchEmulatorClient {
- public:
-  TouchEmulatorTest()
-      : shift_pressed_(false),
-        mouse_pressed_(false),
-        last_mouse_x_(-1),
-        last_mouse_y_(-1) {
-    last_event_time_seconds_ =
-        (base::TimeTicks::Now() - base::TimeTicks()).InSecondsF();
-    event_time_delta_seconds_ = 0.1;
-  }
-
-  virtual ~TouchEmulatorTest() {}
-
-  // testing::Test
-  virtual void SetUp() OVERRIDE {
-#if defined(USE_AURA)
-    aura::Env::CreateInstance();
-    screen_.reset(aura::TestScreen::Create());
-    gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, screen_.get());
-#endif
-
-    emulator_.reset(new TouchEmulator(this));
-    emulator_->Enable(true /* allow_pinch */);
-  }
-
-  virtual void TearDown() OVERRIDE {
-    emulator_->Disable();
-    EXPECT_EQ("", ExpectedEvents());
-
-#if defined(USE_AURA)
-    aura::Env::DeleteInstance();
-    screen_.reset();
-#endif
-  }
-
-  virtual void ForwardGestureEvent(
-      const blink::WebGestureEvent& event) OVERRIDE {
-    forwarded_events_.push_back(event.type);
-  }
-
-  virtual void ForwardTouchEvent(
-      const blink::WebTouchEvent& event) OVERRIDE {
-    forwarded_events_.push_back(event.type);
-    EXPECT_EQ(1U, event.touchesLength);
-    EXPECT_EQ(last_mouse_x_, event.touches[0].position.x);
-    EXPECT_EQ(last_mouse_y_, event.touches[0].position.y);
-    emulator()->HandleTouchEventAck(INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS);
-  }
-
-  virtual void SetCursor(const WebCursor& cursor) OVERRIDE {}
-
- protected:
-  TouchEmulator* emulator() const {
-    return emulator_.get();
-  }
-
-  int modifiers() const {
-    return shift_pressed_ ? WebInputEvent::ShiftKey : 0;
-  }
-
-  std::string ExpectedEvents() {
-    std::string result;
-    for (size_t i = 0; i < forwarded_events_.size(); ++i) {
-      if (i != 0)
-        result += " ";
-      result += WebInputEventTraits::GetName(forwarded_events_[i]);
-    }
-    forwarded_events_.clear();
-    return result;
-  }
-
-  double GetNextEventTimeSeconds() {
-    last_event_time_seconds_ += event_time_delta_seconds_;
-    return last_event_time_seconds_;
-  }
-
-  void set_event_time_delta_seconds_(double delta) {
-    event_time_delta_seconds_ = delta;
-  }
-
-  void SendKeyboardEvent(WebInputEvent::Type type) {
-    WebKeyboardEvent event;
-    event.timeStampSeconds = GetNextEventTimeSeconds();
-    event.type = type;
-    event.modifiers = modifiers();
-    emulator()->HandleKeyboardEvent(event);
-  }
-
-  void PressShift() {
-    DCHECK(!shift_pressed_);
-    shift_pressed_ = true;
-    SendKeyboardEvent(WebInputEvent::KeyDown);
-  }
-
-  void ReleaseShift() {
-    DCHECK(shift_pressed_);
-    shift_pressed_ = false;
-    SendKeyboardEvent(WebInputEvent::KeyUp);
-  }
-
-  void SendMouseEvent(WebInputEvent::Type type, int  x, int y) {
-    WebMouseEvent event;
-    event.timeStampSeconds = GetNextEventTimeSeconds();
-    event.type = type;
-    event.button = mouse_pressed_ ? WebMouseEvent::ButtonLeft :
-        WebMouseEvent::ButtonNone;
-    event.modifiers = modifiers();
-    last_mouse_x_ = x;
-    last_mouse_y_ = y;
-    event.x = event.windowX = event.globalX = x;
-    event.y = event.windowY = event.globalY = y;
-    emulator()->HandleMouseEvent(event);
-  }
-
-  void MouseDown(int x, int y) {
-    DCHECK(!mouse_pressed_);
-    if (x != last_mouse_x_ || y != last_mouse_y_)
-      SendMouseEvent(WebInputEvent::MouseMove, x, y);
-    mouse_pressed_ = true;
-    SendMouseEvent(WebInputEvent::MouseDown, x, y);
-  }
-
-  void MouseDrag(int x, int y) {
-    DCHECK(mouse_pressed_);
-    SendMouseEvent(WebInputEvent::MouseMove, x, y);
-  }
-
-  void MouseMove(int x, int y) {
-    DCHECK(!mouse_pressed_);
-    SendMouseEvent(WebInputEvent::MouseMove, x, y);
-  }
-
-  void MouseUp(int x, int y) {
-    DCHECK(mouse_pressed_);
-    if (x != last_mouse_x_ || y != last_mouse_y_)
-      SendMouseEvent(WebInputEvent::MouseMove, x, y);
-    SendMouseEvent(WebInputEvent::MouseUp, x, y);
-    mouse_pressed_ = false;
-  }
-
- private:
-  scoped_ptr<TouchEmulator> emulator_;
-  std::vector<WebInputEvent::Type> forwarded_events_;
-#if defined(USE_AURA)
-  scoped_ptr<gfx::Screen> screen_;
-#endif
-  double last_event_time_seconds_;
-  double event_time_delta_seconds_;
-  bool shift_pressed_;
-  bool mouse_pressed_;
-  int last_mouse_x_;
-  int last_mouse_y_;
-  base::MessageLoopForUI message_loop_;
-};
-
-
-TEST_F(TouchEmulatorTest, NoTouches) {
-  MouseMove(100, 200);
-  MouseMove(300, 300);
-  EXPECT_EQ("", ExpectedEvents());
-}
-
-TEST_F(TouchEmulatorTest, Touch) {
-  MouseMove(100, 200);
-  EXPECT_EQ("", ExpectedEvents());
-  MouseDown(100, 200);
-  EXPECT_EQ("TouchStart GestureTapDown", ExpectedEvents());
-  MouseUp(200, 200);
-  EXPECT_EQ(
-      "TouchMove GestureTapCancel GestureScrollBegin GestureScrollUpdate"
-      " TouchEnd GestureScrollEnd",
-      ExpectedEvents());
-}
-
-TEST_F(TouchEmulatorTest, MultipleTouches) {
-  MouseMove(100, 200);
-  EXPECT_EQ("", ExpectedEvents());
-  MouseDown(100, 200);
-  EXPECT_EQ("TouchStart GestureTapDown", ExpectedEvents());
-  MouseUp(200, 200);
-  EXPECT_EQ(
-      "TouchMove GestureTapCancel GestureScrollBegin GestureScrollUpdate"
-      " TouchEnd GestureScrollEnd",
-      ExpectedEvents());
-  MouseMove(300, 200);
-  MouseMove(200, 200);
-  EXPECT_EQ("", ExpectedEvents());
-  MouseDown(300, 200);
-  EXPECT_EQ("TouchStart GestureTapDown", ExpectedEvents());
-  MouseDrag(300, 300);
-  EXPECT_EQ(
-      "TouchMove GestureTapCancel GestureScrollBegin GestureScrollUpdate",
-      ExpectedEvents());
-  MouseDrag(300, 400);
-  EXPECT_EQ("TouchMove GestureScrollUpdate", ExpectedEvents());
-  MouseUp(300, 500);
-  EXPECT_EQ(
-      "TouchMove GestureScrollUpdate TouchEnd GestureScrollEnd",
-      ExpectedEvents());
-}
-
-TEST_F(TouchEmulatorTest, Pinch) {
-  MouseDown(100, 200);
-  EXPECT_EQ("TouchStart GestureTapDown", ExpectedEvents());
-  MouseDrag(200, 200);
-  EXPECT_EQ(
-      "TouchMove GestureTapCancel GestureScrollBegin GestureScrollUpdate",
-      ExpectedEvents());
-  PressShift();
-  EXPECT_EQ("", ExpectedEvents());
-  MouseDrag(300, 200);
-  EXPECT_EQ("TouchMove GesturePinchBegin", ExpectedEvents());
-  ReleaseShift();
-  EXPECT_EQ("", ExpectedEvents());
-  MouseDrag(400, 200);
-  EXPECT_EQ(
-      "TouchMove GesturePinchEnd GestureScrollUpdate",
-      ExpectedEvents());
-  MouseUp(400, 200);
-  EXPECT_EQ("TouchEnd GestureScrollEnd", ExpectedEvents());
-}
-
-TEST_F(TouchEmulatorTest, DisableAndReenable) {
-  MouseDown(100, 200);
-  EXPECT_EQ("TouchStart GestureTapDown", ExpectedEvents());
-  MouseDrag(200, 200);
-  EXPECT_EQ(
-      "TouchMove GestureTapCancel GestureScrollBegin GestureScrollUpdate",
-      ExpectedEvents());
-  PressShift();
-  MouseDrag(300, 200);
-  EXPECT_EQ("TouchMove GesturePinchBegin", ExpectedEvents());
-
-  // Disable while pinch is in progress.
-  emulator()->Disable();
-  EXPECT_EQ("TouchCancel GesturePinchEnd GestureScrollEnd", ExpectedEvents());
-  MouseUp(300, 200);
-  ReleaseShift();
-  MouseMove(300, 300);
-  EXPECT_EQ("", ExpectedEvents());
-
-  emulator()->Enable(true /* allow_pinch */);
-  MouseDown(300, 300);
-  EXPECT_EQ("TouchStart GestureTapDown", ExpectedEvents());
-  MouseDrag(300, 400);
-  EXPECT_EQ(
-      "TouchMove GestureTapCancel GestureScrollBegin GestureScrollUpdate",
-      ExpectedEvents());
-
-  // Disable while scroll is in progress.
-  emulator()->Disable();
-  EXPECT_EQ("TouchCancel GestureScrollEnd", ExpectedEvents());
-}
-
-TEST_F(TouchEmulatorTest, MouseMovesDropped) {
-  MouseMove(100, 200);
-  EXPECT_EQ("", ExpectedEvents());
-  MouseDown(100, 200);
-  EXPECT_EQ("TouchStart GestureTapDown", ExpectedEvents());
-
-  // Mouse move after mouse down is never dropped.
-  set_event_time_delta_seconds_(0.001);
-  MouseDrag(200, 200);
-  EXPECT_EQ(
-      "TouchMove GestureTapCancel GestureScrollBegin GestureScrollUpdate",
-      ExpectedEvents());
-
-  // The following mouse moves are dropped.
-  MouseDrag(300, 200);
-  EXPECT_EQ("", ExpectedEvents());
-  MouseDrag(350, 200);
-  EXPECT_EQ("", ExpectedEvents());
-
-  // Dispatching again.
-  set_event_time_delta_seconds_(0.1);
-  MouseDrag(400, 200);
-  EXPECT_EQ(
-      "TouchMove GestureScrollUpdate",
-      ExpectedEvents());
-  MouseUp(400, 200);
-  EXPECT_EQ(
-      "TouchEnd GestureScrollEnd",
-      ExpectedEvents());
-}
-
-}  // namespace content