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/*
* 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 "web/PopupContainer.h"
#include <gtest/gtest.h>
using namespace WebCore;
using namespace blink;
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);
}
}
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