1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "ui/views/controls/scrollbar/native_scroll_bar.h"
6 #include "ui/views/controls/scrollbar/native_scroll_bar_views.h"
7 #include "ui/views/controls/scrollbar/scroll_bar.h"
8 #include "ui/views/test/views_test_base.h"
9 #include "ui/views/widget/widget.h"
13 // The Scrollbar controller. This is the widget that should do the real
14 // scrolling of contents.
15 class TestScrollBarController : public views::ScrollBarController {
17 virtual ~TestScrollBarController() {}
19 virtual void ScrollToPosition(views::ScrollBar* source,
20 int position) OVERRIDE {
22 last_position = position;
25 virtual int GetScrollIncrement(views::ScrollBar* source,
27 bool is_positive) OVERRIDE {
29 last_is_page = is_page;
30 last_is_positive = is_positive;
37 // We save the last values in order to assert the corectness of the scroll
39 views::ScrollBar* last_source;
40 bool last_is_positive;
49 class NativeScrollBarTest : public ViewsTestBase {
51 NativeScrollBarTest() : widget_(NULL), scrollbar_(NULL) {}
53 virtual void SetUp() {
54 ViewsTestBase::SetUp();
55 controller_.reset(new TestScrollBarController());
57 ASSERT_FALSE(scrollbar_);
58 native_scrollbar_ = new NativeScrollBar(true);
59 native_scrollbar_->SetBounds(0, 0, 100, 100);
60 native_scrollbar_->set_controller(controller_.get());
63 Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
64 params.bounds = gfx::Rect(0, 0, 100, 100);
65 widget_->Init(params);
66 View* container = new View();
67 widget_->SetContentsView(container);
68 container->AddChildView(native_scrollbar_);
71 static_cast<NativeScrollBarViews*>(native_scrollbar_->native_wrapper_);
72 scrollbar_->SetBounds(0, 0, 100, 100);
73 scrollbar_->Update(100, 200, 0);
75 track_size_ = scrollbar_->GetTrackBounds().width();
78 virtual void TearDown() {
80 ViewsTestBase::TearDown();
86 // This is the native scrollbar the Views one wraps around.
87 NativeScrollBar* native_scrollbar_;
89 // This is the Views scrollbar.
90 BaseScrollBar* scrollbar_;
92 // Keep track of the size of the track. This is how we can tell when we
93 // scroll to the middle.
96 scoped_ptr<TestScrollBarController> controller_;
99 // TODO(dnicoara) Can't run the test on Windows since the scrollbar |Part|
100 // isn't handled in NativeTheme.
102 #define MAYBE_Scrolling DISABLED_Scrolling
103 #define MAYBE_ScrollBarFitsToBottom DISABLED_ScrollBarFitsToBottom
105 #define MAYBE_Scrolling Scrolling
106 #define MAYBE_ScrollBarFitsToBottom ScrollBarFitsToBottom
109 TEST_F(NativeScrollBarTest, MAYBE_Scrolling) {
110 EXPECT_EQ(scrollbar_->GetPosition(), 0);
111 EXPECT_EQ(scrollbar_->GetMaxPosition(), 100);
112 EXPECT_EQ(scrollbar_->GetMinPosition(), 0);
115 scrollbar_->ScrollToThumbPosition(track_size_ / 4, false);
116 EXPECT_EQ(controller_->last_position, 50);
117 EXPECT_EQ(controller_->last_source, native_scrollbar_);
119 // Scroll to the end.
120 scrollbar_->ScrollToThumbPosition(track_size_ / 2, false);
121 EXPECT_EQ(controller_->last_position, 100);
123 // Overscroll. Last position should be the maximum position.
124 scrollbar_->ScrollToThumbPosition(track_size_, false);
125 EXPECT_EQ(controller_->last_position, 100);
127 // Underscroll. Last position should be the minimum position.
128 scrollbar_->ScrollToThumbPosition(-10, false);
129 EXPECT_EQ(controller_->last_position, 0);
131 // Test the different fixed scrolling amounts. Generally used by buttons,
132 // or click on track.
133 scrollbar_->ScrollToThumbPosition(0, false);
134 scrollbar_->ScrollByAmount(BaseScrollBar::SCROLL_NEXT_LINE);
135 EXPECT_EQ(controller_->last_position, 10);
137 scrollbar_->ScrollByAmount(BaseScrollBar::SCROLL_PREV_LINE);
138 EXPECT_EQ(controller_->last_position, 0);
140 scrollbar_->ScrollByAmount(BaseScrollBar::SCROLL_NEXT_PAGE);
141 EXPECT_EQ(controller_->last_position, 20);
143 scrollbar_->ScrollByAmount(BaseScrollBar::SCROLL_PREV_PAGE);
144 EXPECT_EQ(controller_->last_position, 0);
147 TEST_F(NativeScrollBarTest, MAYBE_ScrollBarFitsToBottom) {
148 scrollbar_->Update(100, 199, 0);
149 EXPECT_EQ(0, scrollbar_->GetPosition());
150 EXPECT_EQ(99, scrollbar_->GetMaxPosition());
151 EXPECT_EQ(0, scrollbar_->GetMinPosition());
153 scrollbar_->Update(100, 199, 99);
155 scrollbar_->GetTrackBounds().width() - scrollbar_->GetThumbSizeForTest(),
156 scrollbar_->GetPosition());