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27 #include "web/PopupContainer.h"
29 #include <gtest/gtest.h>
31 using namespace WebCore;
32 using namespace blink;
34 class MockPopupContent : public PopupContent {
36 virtual void setMaxHeight(int max) OVERRIDE { maxHeight = max; }
37 virtual int popupContentHeight() const OVERRIDE { return height; }
38 virtual ~MockPopupContent() { }
40 virtual void layout() OVERRIDE
43 width = std::min(maxWidth, width);
44 height = std::min(maxHeight, height);
45 height -= height % 16;
48 virtual void setMaxWidthAndLayout(int max) OVERRIDE
54 MockPopupContent(const IntSize& widgetSize)
55 : width(widgetSize.width() - borderSize * 2)
56 , height(widgetSize.height() - borderSize * 2)
69 static const int borderSize = 1; // Should match to kBorderSize in PopupContainer.cpp.
72 const int screenMaxX = 1024;
73 const int screenMaxY = 768;
74 const int targetControlWidth = 130;
76 static IntRect calculatePositionWithTransformAndRTL(const IntRect& initialRect, const IntSize& transformOffset, int verticalOffset, PopupContent* content)
78 const bool isRTL = true;
79 const int targetControlHeight = 20;
80 const FloatRect screenRect(0, 0, screenMaxX, screenMaxY);
81 const FloatRect windowRect(0, 0, 512, 512);
82 int rtlOffset = targetControlWidth - initialRect.width();
83 bool needToResizeView = false;
84 return PopupContainer::layoutAndCalculateWidgetRectInternal(initialRect, targetControlHeight, windowRect, screenRect, !isRTL, rtlOffset, verticalOffset, transformOffset, content, needToResizeView);
87 static IntRect calculatePosition(const IntRect& initialRect, PopupContent* content, FloatRect windowRect = FloatRect(0, 0, 512, 512), bool isRTL = true)
89 const int targetControlHeight = 20;
90 const FloatRect screenRect(0, 0, screenMaxX, screenMaxY);
91 int rtlOffset = (targetControlWidth - initialRect.width()) * (isRTL ? 1 : -1);
92 bool needToResizeView = false;
93 return PopupContainer::layoutAndCalculateWidgetRectInternal(initialRect, targetControlHeight, windowRect, screenRect, !isRTL, rtlOffset, 0, IntSize(), content, needToResizeView);
96 TEST(PopupContainerTest, PopupPosition)
98 // Suppose that initialRect.location is the bottom-left corner of the target
99 // control such as <select>.
102 // If initialRect is in the screen, nothing should happen.
103 IntRect initialRect(100, 100, 256, 258);
104 MockPopupContent content(initialRect.size());
105 IntRect resultRect = calculatePosition(initialRect, &content);
106 EXPECT_EQ(initialRect, resultRect);
107 EXPECT_EQ(0u, content.layoutCount);
111 // If the left edge of the control is projecting from the screen, making
112 // the widget aligned to the right edge of the control.
113 IntRect initialRect(-10, 100, 100, 258);
114 MockPopupContent content(initialRect.size());
115 IntRect resultRect = calculatePosition(initialRect, &content);
116 EXPECT_EQ(IntRect(20, 100, 100, 258), resultRect);
120 // Made the widget aligned to the right edge. But it's still projecting
122 IntRect initialRect(-10, 100, targetControlWidth, 258);
123 MockPopupContent content(initialRect.size());
124 IntRect resultRect = calculatePosition(initialRect, &content);
125 EXPECT_EQ(IntRect(0, 100, 120, 258), resultRect);
126 EXPECT_EQ(118, content.width);
127 EXPECT_TRUE(content.layoutCount);
131 // If the right edge of the control is projecting from the screen,
132 // shrink the width of the widget.
133 IntRect initialRect(screenMaxX - 100, 100, targetControlWidth, 258);
134 MockPopupContent content(initialRect.size());
135 IntRect resultRect = calculatePosition(initialRect, &content);
136 EXPECT_EQ(IntRect(screenMaxX - 100, 100, 100, 258), resultRect);
137 EXPECT_EQ(98, content.width);
138 EXPECT_TRUE(content.layoutCount);
142 // If there is no enough room below, move the widget upwards.
143 IntRect initialRect(100, 700, targetControlWidth, 258);
144 MockPopupContent content(initialRect.size());
145 IntRect resultRect = calculatePosition(initialRect, &content);
146 EXPECT_EQ(IntRect(100, 422, targetControlWidth, 258), resultRect);
147 EXPECT_EQ(0u, content.layoutCount);
151 // There is no enough room below and above, and the below space is larger.
152 IntRect initialRect(100, 300, targetControlWidth, 514);
153 MockPopupContent content(initialRect.size());
154 IntRect resultRect = calculatePosition(initialRect, &content);
155 EXPECT_EQ(IntRect(100, 300, targetControlWidth, 466), resultRect);
156 EXPECT_TRUE(content.layoutCount);
157 EXPECT_EQ(464, content.height);
161 // There is no enough room below and above, and the above space is larger.
162 IntRect initialRect(100, 400, targetControlWidth, 514);
163 MockPopupContent content(initialRect.size());
164 IntRect resultRect = calculatePosition(initialRect, &content);
165 EXPECT_EQ(IntRect(100, 10, targetControlWidth, 370), resultRect);
166 EXPECT_TRUE(content.layoutCount);
167 EXPECT_EQ(368, content.height);
171 // There is not enough room to the right, so open the popup menu to the left.
172 IntRect initialRect(screenMaxX - targetControlWidth - 6, 100, targetControlWidth * 2, 100);
173 MockPopupContent content(initialRect.size());
174 IntRect resultRect = calculatePosition(initialRect, &content, FloatRect(0, 0, screenMaxX, screenMaxY), false);
175 EXPECT_EQ(IntRect(758, 100, 260, 100), resultRect);
179 // Test for --webkit-transform:rotate(53deg).
180 IntRect initialRect(100, 700, targetControlWidth, 258);
181 MockPopupContent content(initialRect.size());
182 IntSize transformOffset(-4, -8);
183 IntRect resultRect = calculatePositionWithTransformAndRTL(initialRect, transformOffset, -104, &content);
184 EXPECT_EQ(IntRect(104, 430, targetControlWidth, 258), resultRect);
185 EXPECT_EQ(0u, content.layoutCount);
189 // Test for --webkit-transform:rotate(-53deg).
190 IntRect initialRect(100, 700, targetControlWidth, 258);
191 MockPopupContent content(initialRect.size());
192 IntSize transformOffset(4, -8);
193 IntRect resultRect = calculatePositionWithTransformAndRTL(initialRect, transformOffset, 104, &content);
194 EXPECT_EQ(IntRect(96, 430, targetControlWidth, 258), resultRect);
195 EXPECT_EQ(0u, content.layoutCount);