Revert of Add gesture support in views::ResizeArea

ui/views/controls/resize_area_unittest.cc

-// 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/views/controls/resize_area.h"
-
-#include <memory>
-
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/aura/window.h"
-#include "ui/events/test/event_generator.h"
-#include "ui/views/controls/resize_area_delegate.h"
-#include "ui/views/test/views_test_base.h"
-#include "ui/views/view.h"
-#include "ui/views/widget/widget.h"
-
-namespace {
-// Constants used by the ResizeAreaTest.SuccessfulGestureDrag test to simulate
-// a gesture drag by |kGestureScrollDistance| resulting from
-// |kGestureScrollSteps| ui::ET_GESTURE_SCROLL_UPDATE events being delivered.
-const int kGestureScrollDistance = 100;
-const int kGestureScrollSteps = 4;
-const int kDistancePerGestureScrollUpdate =
-    kGestureScrollDistance / kGestureScrollSteps;
-}
-
-namespace views {
-
-// Testing delegate used by ResizeAreaTest.
-class TestResizeAreaDelegate : public ResizeAreaDelegate {
- public:
-  TestResizeAreaDelegate();
-  ~TestResizeAreaDelegate() override;
-
-  // ResizeAreaDelegate:
-  void OnResize(int resize_amount, bool done_resizing) override;
-
-  int resize_amount() { return resize_amount_; }
-  bool done_resizing() { return done_resizing_; }
-  bool on_resize_called() { return on_resize_called_; }
-
- private:
-  int resize_amount_;
-  bool done_resizing_;
-  bool on_resize_called_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestResizeAreaDelegate);
-};
-
-TestResizeAreaDelegate::TestResizeAreaDelegate()
-    : resize_amount_(0), done_resizing_(false), on_resize_called_(false) {}
-
-TestResizeAreaDelegate::~TestResizeAreaDelegate() {}
-
-void TestResizeAreaDelegate::OnResize(int resize_amount, bool done_resizing) {
-  resize_amount_ = resize_amount;
-  done_resizing_ = done_resizing;
-  on_resize_called_ = true;
-}
-
-// Test fixture for testing the ResizeArea class.
-class ResizeAreaTest : public ViewsTestBase {
- public:
-  ResizeAreaTest();
-  ~ResizeAreaTest() override;
-
-  // Callback used by the SuccessfulGestureDrag test.
-  void ProcessGesture(ui::EventType type, const gfx::Vector2dF& delta);
-
- protected:
-  // testing::Test:
-  void SetUp() override;
-  void TearDown() override;
-
-  ui::test::EventGenerator* event_generator() { return event_generator_.get(); }
-
-  int resize_amount() { return delegate_->resize_amount(); }
-  bool done_resizing() { return delegate_->done_resizing(); }
-  bool on_resize_called() { return delegate_->on_resize_called(); }
-  views::Widget* widget() { return widget_; }
-
- private:
-  TestResizeAreaDelegate* delegate_ = nullptr;
-  ResizeArea* resize_area_ = nullptr;
-  views::Widget* widget_ = nullptr;
-  std::unique_ptr<ui::test::EventGenerator> event_generator_;
-
-  // The number of ui::ET_GESTURE_SCROLL_UPDATE events seen by
-  // ProcessGesture().
-  int gesture_scroll_updates_seen_ = 0;
-
-  DISALLOW_COPY_AND_ASSIGN(ResizeAreaTest);
-};
-
-ResizeAreaTest::ResizeAreaTest() {}
-
-ResizeAreaTest::~ResizeAreaTest() {}
-
-void ResizeAreaTest::ProcessGesture(ui::EventType type,
-                                    const gfx::Vector2dF& delta) {
-  if (type == ui::ET_GESTURE_SCROLL_BEGIN) {
-    EXPECT_FALSE(done_resizing());
-    EXPECT_FALSE(on_resize_called());
-  } else if (type == ui::ET_GESTURE_SCROLL_UPDATE) {
-    gesture_scroll_updates_seen_++;
-    EXPECT_EQ(kDistancePerGestureScrollUpdate * gesture_scroll_updates_seen_,
-              resize_amount());
-    EXPECT_FALSE(done_resizing());
-    EXPECT_TRUE(on_resize_called());
-  } else if (type == ui::ET_GESTURE_SCROLL_END) {
-    EXPECT_TRUE(done_resizing());
-  }
-}
-
-void ResizeAreaTest::SetUp() {
-  views::ViewsTestBase::SetUp();
-
-  delegate_ = new TestResizeAreaDelegate;
-  resize_area_ = new ResizeArea(delegate_);
-
-  gfx::Size size(10, 10);
-  resize_area_->SetBounds(0, 0, size.width(), size.height());
-
-  views::Widget::InitParams init_params(
-      CreateParams(views::Widget::InitParams::TYPE_WINDOW_FRAMELESS));
-  init_params.bounds = gfx::Rect(size);
-
-  widget_ = new views::Widget();
-  widget_->Init(init_params);
-  widget_->SetContentsView(resize_area_);
-  widget_->Show();
-
-  event_generator_.reset(
-      new ui::test::EventGenerator(widget_->GetNativeWindow()));
-}
-
-void ResizeAreaTest::TearDown() {
-  if (widget_ && !widget_->IsClosed())
-    widget_->Close();
-
-  views::ViewsTestBase::TearDown();
-}
-
-// TODO(tdanderson): Enable these tests on OSX. See crbug.com/710475.
-#if !defined(OS_MACOSX)
-// Verifies the correct calls have been made to
-// TestResizeAreaDelegate::OnResize() for a sequence of mouse events
-// corresponding to a successful resize operation.
-TEST_F(ResizeAreaTest, SuccessfulMouseDrag) {
-  event_generator()->MoveMouseToCenterOf(widget()->GetNativeView());
-  event_generator()->PressLeftButton();
-
-  const int kFirstDragAmount = -5;
-  event_generator()->MoveMouseBy(kFirstDragAmount, 0);
-  EXPECT_EQ(kFirstDragAmount, resize_amount());
-  EXPECT_FALSE(done_resizing());
-  EXPECT_TRUE(on_resize_called());
-
-  const int kSecondDragAmount = 17;
-  event_generator()->MoveMouseBy(kSecondDragAmount, 0);
-  EXPECT_EQ(kFirstDragAmount + kSecondDragAmount, resize_amount());
-  EXPECT_FALSE(done_resizing());
-
-  event_generator()->ReleaseLeftButton();
-  EXPECT_EQ(kFirstDragAmount + kSecondDragAmount, resize_amount());
-  EXPECT_TRUE(done_resizing());
-}
-
-// Verifies that no resize is performed when attempting to resize using the
-// right mouse button.
-TEST_F(ResizeAreaTest, FailedMouseDrag) {
-  event_generator()->MoveMouseToCenterOf(widget()->GetNativeView());
-  event_generator()->PressRightButton();
-
-  const int kDragAmount = 18;
-  event_generator()->MoveMouseBy(kDragAmount, 0);
-  EXPECT_EQ(0, resize_amount());
-}
-
-// Verifies the correct calls have been made to
-// TestResizeAreaDelegate::OnResize() for a sequence of gesture events
-// corresponding to a successful resize operation.
-TEST_F(ResizeAreaTest, SuccessfulGestureDrag) {
-  gfx::Point start = widget()->GetNativeView()->bounds().CenterPoint();
-  event_generator()->GestureScrollSequenceWithCallback(
-      start, gfx::Point(start.x() + kGestureScrollDistance, start.y()),
-      base::TimeDelta::FromMilliseconds(200), kGestureScrollSteps,
-      base::Bind(&ResizeAreaTest::ProcessGesture, base::Unretained(this)));
-}
-
-// Verifies that no resize is performed on a gesture tap.
-TEST_F(ResizeAreaTest, NoDragOnGestureTap) {
-  event_generator()->GestureTapAt(
-      widget()->GetNativeView()->bounds().CenterPoint());
-
-  EXPECT_EQ(0, resize_amount());
-}
-#endif  // !defined(OS_MACOSX)
-
-}  // namespace views