| /* |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "PopupContainer.h" |
| |
| #include <gtest/gtest.h> |
| |
| using namespace WebCore; |
| |
| class MockPopupContent : public PopupContent { |
| public: |
| virtual void setMaxHeight(int max) OVERRIDE { maxHeight = max; } |
| virtual int popupContentHeight() const OVERRIDE { return height; } |
| virtual ~MockPopupContent() { } |
| |
| virtual void layout() OVERRIDE |
| { |
| layoutCount++; |
| width = std::min(maxWidth, width); |
| height = std::min(maxHeight, height); |
| height -= height % 16; |
| } |
| |
| virtual void setMaxWidthAndLayout(int max) OVERRIDE |
| { |
| maxWidth = max; |
| layout(); |
| } |
| |
| MockPopupContent(const IntSize& widgetSize) |
| : width(widgetSize.width() - borderSize * 2) |
| , height(widgetSize.height() - borderSize * 2) |
| , maxWidth(width) |
| , maxHeight(height) |
| , layoutCount(0) |
| { |
| } |
| |
| int width; |
| int height; |
| int maxWidth; |
| int maxHeight; |
| unsigned layoutCount; |
| |
| static const int borderSize = 1; // Should match to kBorderSize in PopupContainer.cpp. |
| }; |
| |
| const int screenMaxX = 1024; |
| const int screenMaxY = 768; |
| const int targetControlWidth = 130; |
| |
| static IntRect calculatePositionWithTransformAndRTL(const IntRect& initialRect, const IntSize& transformOffset, int verticalOffset, PopupContent* content) |
| { |
| const bool isRTL = true; |
| const int targetControlHeight = 20; |
| const FloatRect screenRect(0, 0, screenMaxX, screenMaxY); |
| const FloatRect windowRect(0, 0, 512, 512); |
| int rtlOffset = targetControlWidth - initialRect.width(); |
| bool needToResizeView = false; |
| return PopupContainer::layoutAndCalculateWidgetRectInternal(initialRect, targetControlHeight, windowRect, screenRect, !isRTL, rtlOffset, verticalOffset, transformOffset, content, needToResizeView); |
| } |
| |
| static IntRect calculatePosition(const IntRect& initialRect, PopupContent* content, FloatRect windowRect = FloatRect(0, 0, 512, 512), bool isRTL = true) |
| { |
| const int targetControlHeight = 20; |
| const FloatRect screenRect(0, 0, screenMaxX, screenMaxY); |
| int rtlOffset = (targetControlWidth - initialRect.width()) * (isRTL ? 1 : -1); |
| bool needToResizeView = false; |
| return PopupContainer::layoutAndCalculateWidgetRectInternal(initialRect, targetControlHeight, windowRect, screenRect, !isRTL, rtlOffset, 0, IntSize(), content, needToResizeView); |
| } |
| |
| TEST(PopupContainerTest, PopupPosition) |
| { |
| // Suppose that initialRect.location is the bottom-left corner of the target |
| // control such as <select>. |
| |
| { |
| // If initialRect is in the screen, nothing should happen. |
| IntRect initialRect(100, 100, 256, 258); |
| MockPopupContent content(initialRect.size()); |
| IntRect resultRect = calculatePosition(initialRect, &content); |
| EXPECT_EQ(initialRect, resultRect); |
| EXPECT_EQ(0u, content.layoutCount); |
| } |
| |
| { |
| // If the left edge of the control is projecting from the screen, making |
| // the widget aligned to the right edge of the control. |
| IntRect initialRect(-10, 100, 100, 258); |
| MockPopupContent content(initialRect.size()); |
| IntRect resultRect = calculatePosition(initialRect, &content); |
| EXPECT_EQ(IntRect(20, 100, 100, 258), resultRect); |
| } |
| |
| { |
| // Made the widget aligned to the right edge. But it's still projecting |
| // from the screen. |
| IntRect initialRect(-10, 100, targetControlWidth, 258); |
| MockPopupContent content(initialRect.size()); |
| IntRect resultRect = calculatePosition(initialRect, &content); |
| EXPECT_EQ(IntRect(0, 100, 120, 258), resultRect); |
| EXPECT_EQ(118, content.width); |
| EXPECT_TRUE(content.layoutCount); |
| } |
| |
| { |
| // If the right edge of the control is projecting from the screen, |
| // shrink the width of the widget. |
| IntRect initialRect(screenMaxX - 100, 100, targetControlWidth, 258); |
| MockPopupContent content(initialRect.size()); |
| IntRect resultRect = calculatePosition(initialRect, &content); |
| EXPECT_EQ(IntRect(screenMaxX - 100, 100, 100, 258), resultRect); |
| EXPECT_EQ(98, content.width); |
| EXPECT_TRUE(content.layoutCount); |
| } |
| |
| { |
| // If there is no enough room below, move the widget upwards. |
| IntRect initialRect(100, 700, targetControlWidth, 258); |
| MockPopupContent content(initialRect.size()); |
| IntRect resultRect = calculatePosition(initialRect, &content); |
| EXPECT_EQ(IntRect(100, 422, targetControlWidth, 258), resultRect); |
| EXPECT_EQ(0u, content.layoutCount); |
| } |
| |
| { |
| // There is no enough room below and above, and the below space is larger. |
| IntRect initialRect(100, 300, targetControlWidth, 514); |
| MockPopupContent content(initialRect.size()); |
| IntRect resultRect = calculatePosition(initialRect, &content); |
| EXPECT_EQ(IntRect(100, 300, targetControlWidth, 466), resultRect); |
| EXPECT_TRUE(content.layoutCount); |
| EXPECT_EQ(464, content.height); |
| } |
| |
| { |
| // There is no enough room below and above, and the above space is larger. |
| IntRect initialRect(100, 400, targetControlWidth, 514); |
| MockPopupContent content(initialRect.size()); |
| IntRect resultRect = calculatePosition(initialRect, &content); |
| EXPECT_EQ(IntRect(100, 10, targetControlWidth, 370), resultRect); |
| EXPECT_TRUE(content.layoutCount); |
| EXPECT_EQ(368, content.height); |
| } |
| |
| { |
| // There is not enough room to the right, so open the popup menu to the left. |
| IntRect initialRect(screenMaxX - targetControlWidth - 6, 100, targetControlWidth * 2, 100); |
| MockPopupContent content(initialRect.size()); |
| IntRect resultRect = calculatePosition(initialRect, &content, FloatRect(0, 0, screenMaxX, screenMaxY), false); |
| EXPECT_EQ(IntRect(758, 100, 260, 100), resultRect); |
| } |
| |
| { |
| // Test for --webkit-transform:rotate(53deg). |
| IntRect initialRect(100, 700, targetControlWidth, 258); |
| MockPopupContent content(initialRect.size()); |
| IntSize transformOffset(-4, -8); |
| IntRect resultRect = calculatePositionWithTransformAndRTL(initialRect, transformOffset, -104, &content); |
| EXPECT_EQ(IntRect(104, 430, targetControlWidth, 258), resultRect); |
| EXPECT_EQ(0u, content.layoutCount); |
| } |
| |
| { |
| // Test for --webkit-transform:rotate(-53deg). |
| IntRect initialRect(100, 700, targetControlWidth, 258); |
| MockPopupContent content(initialRect.size()); |
| IntSize transformOffset(4, -8); |
| IntRect resultRect = calculatePositionWithTransformAndRTL(initialRect, transformOffset, 104, &content); |
| EXPECT_EQ(IntRect(96, 430, targetControlWidth, 258), resultRect); |
| EXPECT_EQ(0u, content.layoutCount); |
| } |
| } |