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| 1 // Copyright 2016 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. |
| 4 |
| 5 #include "platform/scroll/ScrollbarThemeOverlay.h" |
| 6 |
| 7 #include "platform/scroll/ScrollbarTestSuite.h" |
| 8 |
| 9 namespace blink { |
| 10 |
| 11 using testing::NiceMock; |
| 12 using testing::Return; |
| 13 |
| 14 class ScrollbarThemeOverlayTest : public ScrollbarTestSuite {}; |
| 15 |
| 16 TEST_F(ScrollbarThemeOverlayTest, PaintInvalidation) { |
| 17 NiceMock<MockScrollableArea>* mockScrollableArea = |
| 18 new NiceMock<MockScrollableArea>(ScrollOffset(100, 100)); |
| 19 ScrollbarThemeOverlay theme(14, 0, ScrollbarThemeOverlay::AllowHitTest); |
| 20 |
| 21 Scrollbar* verticalScrollbar = Scrollbar::createForTesting( |
| 22 mockScrollableArea, VerticalScrollbar, RegularScrollbar, &theme); |
| 23 Scrollbar* horizontalScrollbar = Scrollbar::createForTesting( |
| 24 mockScrollableArea, HorizontalScrollbar, RegularScrollbar, &theme); |
| 25 ON_CALL(*mockScrollableArea, verticalScrollbar()) |
| 26 .WillByDefault(Return(verticalScrollbar)); |
| 27 ON_CALL(*mockScrollableArea, horizontalScrollbar()) |
| 28 .WillByDefault(Return(horizontalScrollbar)); |
| 29 |
| 30 IntRect verticalRect(1010, 0, 14, 768); |
| 31 IntRect horizontalRect(0, 754, 1024, 14); |
| 32 verticalScrollbar->setFrameRect(verticalRect); |
| 33 horizontalScrollbar->setFrameRect(horizontalRect); |
| 34 |
| 35 ASSERT_EQ(verticalScrollbar, mockScrollableArea->verticalScrollbar()); |
| 36 ASSERT_EQ(horizontalScrollbar, mockScrollableArea->horizontalScrollbar()); |
| 37 |
| 38 verticalScrollbar->clearTrackNeedsRepaint(); |
| 39 verticalScrollbar->clearThumbNeedsRepaint(); |
| 40 horizontalScrollbar->clearTrackNeedsRepaint(); |
| 41 horizontalScrollbar->clearThumbNeedsRepaint(); |
| 42 mockScrollableArea->clearNeedsPaintInvalidationForScrollControls(); |
| 43 |
| 44 ASSERT_FALSE(verticalScrollbar->thumbNeedsRepaint()); |
| 45 ASSERT_FALSE(verticalScrollbar->trackNeedsRepaint()); |
| 46 ASSERT_FALSE(mockScrollableArea->verticalScrollbarNeedsPaintInvalidation()); |
| 47 ASSERT_FALSE(horizontalScrollbar->thumbNeedsRepaint()); |
| 48 ASSERT_FALSE(horizontalScrollbar->trackNeedsRepaint()); |
| 49 ASSERT_FALSE(mockScrollableArea->horizontalScrollbarNeedsPaintInvalidation()); |
| 50 |
| 51 // Changing the scroll offset shouldn't invalide the thumb nor track, but it |
| 52 // should cause a "general" invalidation for non-composited scrollbars. |
| 53 // Ensure the horizontal scrollbar is unaffected. |
| 54 mockScrollableArea->updateScrollOffset(ScrollOffset(0, 5), UserScroll); |
| 55 verticalScrollbar->offsetDidChange(); |
| 56 horizontalScrollbar->offsetDidChange(); |
| 57 EXPECT_FALSE(verticalScrollbar->thumbNeedsRepaint()); |
| 58 EXPECT_FALSE(verticalScrollbar->trackNeedsRepaint()); |
| 59 EXPECT_TRUE(mockScrollableArea->verticalScrollbarNeedsPaintInvalidation()); |
| 60 EXPECT_FALSE(horizontalScrollbar->thumbNeedsRepaint()); |
| 61 EXPECT_FALSE(horizontalScrollbar->trackNeedsRepaint()); |
| 62 EXPECT_FALSE(mockScrollableArea->horizontalScrollbarNeedsPaintInvalidation()); |
| 63 |
| 64 // Try the horizontal scrollbar. |
| 65 mockScrollableArea->clearNeedsPaintInvalidationForScrollControls(); |
| 66 mockScrollableArea->updateScrollOffset(ScrollOffset(5, 5), UserScroll); |
| 67 horizontalScrollbar->offsetDidChange(); |
| 68 verticalScrollbar->offsetDidChange(); |
| 69 EXPECT_FALSE(verticalScrollbar->thumbNeedsRepaint()); |
| 70 EXPECT_FALSE(verticalScrollbar->trackNeedsRepaint()); |
| 71 EXPECT_FALSE(mockScrollableArea->verticalScrollbarNeedsPaintInvalidation()); |
| 72 EXPECT_FALSE(horizontalScrollbar->thumbNeedsRepaint()); |
| 73 EXPECT_FALSE(horizontalScrollbar->trackNeedsRepaint()); |
| 74 EXPECT_TRUE(mockScrollableArea->horizontalScrollbarNeedsPaintInvalidation()); |
| 75 |
| 76 mockScrollableArea->clearNeedsPaintInvalidationForScrollControls(); |
| 77 |
| 78 // Move the mouse over the vertical scrollbar's thumb. Ensure the thumb is |
| 79 // invalidated as its state is changed to hover. |
| 80 verticalScrollbar->setHoveredPart(ThumbPart); |
| 81 EXPECT_TRUE(verticalScrollbar->thumbNeedsRepaint()); |
| 82 EXPECT_TRUE(mockScrollableArea->verticalScrollbarNeedsPaintInvalidation()); |
| 83 |
| 84 verticalScrollbar->clearThumbNeedsRepaint(); |
| 85 mockScrollableArea->clearNeedsPaintInvalidationForScrollControls(); |
| 86 |
| 87 // Pressing down should also cause an invalidation. |
| 88 verticalScrollbar->setPressedPart(ThumbPart); |
| 89 EXPECT_TRUE(verticalScrollbar->thumbNeedsRepaint()); |
| 90 EXPECT_TRUE(mockScrollableArea->verticalScrollbarNeedsPaintInvalidation()); |
| 91 |
| 92 verticalScrollbar->clearThumbNeedsRepaint(); |
| 93 mockScrollableArea->clearNeedsPaintInvalidationForScrollControls(); |
| 94 |
| 95 // Release should cause invalidation. |
| 96 verticalScrollbar->setPressedPart(NoPart); |
| 97 EXPECT_TRUE(verticalScrollbar->thumbNeedsRepaint()); |
| 98 EXPECT_TRUE(mockScrollableArea->verticalScrollbarNeedsPaintInvalidation()); |
| 99 |
| 100 verticalScrollbar->clearThumbNeedsRepaint(); |
| 101 mockScrollableArea->clearNeedsPaintInvalidationForScrollControls(); |
| 102 |
| 103 // Move off should cause invalidation |
| 104 verticalScrollbar->setHoveredPart(NoPart); |
| 105 EXPECT_TRUE(verticalScrollbar->thumbNeedsRepaint()); |
| 106 EXPECT_TRUE(mockScrollableArea->verticalScrollbarNeedsPaintInvalidation()); |
| 107 |
| 108 verticalScrollbar->clearThumbNeedsRepaint(); |
| 109 mockScrollableArea->clearNeedsPaintInvalidationForScrollControls(); |
| 110 |
| 111 // Disabling the scrollbar is used to hide it so it should cause invalidation |
| 112 // but only in the general sense since the compositor will have hidden it |
| 113 // without a repaint. |
| 114 verticalScrollbar->setEnabled(false); |
| 115 EXPECT_FALSE(verticalScrollbar->thumbNeedsRepaint()); |
| 116 EXPECT_TRUE(mockScrollableArea->verticalScrollbarNeedsPaintInvalidation()); |
| 117 |
| 118 mockScrollableArea->clearNeedsPaintInvalidationForScrollControls(); |
| 119 |
| 120 verticalScrollbar->setEnabled(true); |
| 121 EXPECT_FALSE(verticalScrollbar->thumbNeedsRepaint()); |
| 122 EXPECT_TRUE(mockScrollableArea->verticalScrollbarNeedsPaintInvalidation()); |
| 123 |
| 124 ThreadState::current()->collectAllGarbage(); |
| 125 } |
| 126 |
| 127 } // namespace blink |
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