public async Task FlyoutHeaderAdaptsToMinimumHeight()
{
await RunShellTest(shell =>
{
var layout = new VerticalStackLayout()
{
new Label()
{
Text = "Flyout Header"
}
};
layout.MinimumHeightRequest = 30;
shell.FlyoutHeader = layout;
shell.FlyoutHeaderBehavior = FlyoutHeaderBehavior.CollapseOnScroll;
},
async (shell, handler) =>
{
await OpenFlyout(handler);
var flyoutFrame = GetFrameRelativeToFlyout(handler, shell.FlyoutHeader as IView);
AssertionExtensions.CloseEnough(flyoutFrame.Height, 30);
});
}
public async Task FlyoutCustomContentMargin(Func <Shell, object, string> shellPart)
{
var baselineContent = new VerticalStackLayout()
{
new Label()
{
Text = "Flyout Layout Part"
}
};
Rect frameWithoutMargin = Rect.Zero;
// determine the location of the templated content on the screen without a margin
await RunShellTest(shell =>
{
_ = shellPart(shell, baselineContent);
},
async (shell, handler) =>
{
await OpenFlyout(handler);
frameWithoutMargin = GetFrameRelativeToFlyout(handler, baselineContent);
});
var content = new VerticalStackLayout()
{
new Label()
{
Text = "Flyout Layout Part"
}
};
string partTesting = string.Empty;
await RunShellTest(shell =>
{
content.Margin = new Thickness(20, 30, 0, 30);
partTesting = shellPart(shell, content);
},
async (shell, handler) =>
{
await OpenFlyout(handler);
var frameWithMargin = GetFrameRelativeToFlyout(handler, content);
var leftDiff = Math.Abs(Math.Abs(frameWithMargin.Left - frameWithoutMargin.Left) - 20);
var verticalDiff = Math.Abs(Math.Abs(frameWithMargin.Top - frameWithoutMargin.Top) - 30);
AssertionExtensions.AssertWithMessage(() =>
Assert.True(leftDiff < 0.2),
$"{partTesting} Left Margin Incorrect. Frame w/ margin: {frameWithMargin}. Frame w/o marin : {frameWithoutMargin}"
);
AssertionExtensions.AssertWithMessage(() =>
Assert.True(verticalDiff < 0.2),
$"{partTesting} Top Margin Incorrect. Frame w/ margin: {frameWithMargin}. Frame w/o marin : {frameWithoutMargin}"
);
});
}
public async Task GetVisualTreeElements()
{
SetupBuilder();
var label = new Label()
{
Text = "Find Me"
};
var page = new ContentPage()
{
Title = "Title Page"
};
page.Content = new VerticalStackLayout()
{
label
};
var rootPage = await InvokeOnMainThreadAsync(() =>
new NavigationPage(page)
);
await CreateHandlerAndAddToWindow <IWindowHandler>(rootPage, async handler =>
{
await OnFrameSetToNotEmpty(label);
var locationOnScreen = label.GetLocationOnScreen().Value;
var labelFrame = label.Frame;
var window = rootPage.Window;
// Find label at the top left corner
var topLeft = new Graphics.Point(locationOnScreen.X + 1, locationOnScreen.Y + 1);
AssertionExtensions.AssertWithMessage(
() => Assert.Contains(label, window.GetVisualTreeElements(topLeft)),
$"Unable to find label using top left coordinate: {topLeft} with label location: {label.GetBoundingBox()}");
// find label at the bottom right corner
var bottomRight = new Graphics.Point(
locationOnScreen.X + labelFrame.Width - 1,
locationOnScreen.Y + labelFrame.Height - 1);
AssertionExtensions.AssertWithMessage(
() => Assert.Contains(label, window.GetVisualTreeElements(bottomRight)),
$"Unable to find label using bottom right coordinate: {bottomRight} with label location: {label.GetBoundingBox()}");
// Ensure that the point directly outside the bounds of the label doesn't
// return the label
Assert.DoesNotContain(label, window.GetVisualTreeElements(
locationOnScreen.X + labelFrame.Width + 1,
locationOnScreen.Y + labelFrame.Height + 1
));
});
}
public async Task FlyoutHeaderContentAndFooterAllMeasureCorrectly(FlyoutHeaderBehavior behavior)
{
await RunShellTest(shell =>
{
shell.FlyoutHeader = new Label()
{
Text = "Flyout Header"
};
shell.FlyoutFooter = new Label()
{
Text = "Flyout Footer"
};
shell.FlyoutContent = new VerticalStackLayout()
{
new Label()
{
Text = "Flyout Content"
}
};
shell.FlyoutHeaderBehavior = behavior;
},
async (shell, handler) =>
{
await OpenFlyout(handler);
var flyoutFrame = GetFlyoutFrame(handler);
var headerFrame = GetFrameRelativeToFlyout(handler, (IView)shell.FlyoutHeader);
var contentFrame = GetFrameRelativeToFlyout(handler, (IView)shell.FlyoutContent);
var footerFrame = GetFrameRelativeToFlyout(handler, (IView)shell.FlyoutFooter);
// validate header position
AssertionExtensions.CloseEnough(0, headerFrame.X, message: "Header X");
AssertionExtensions.CloseEnough(0, headerFrame.Y, message: "Header Y");
AssertionExtensions.CloseEnough(flyoutFrame.Width, headerFrame.Width, message: "Header Width");
// validate content position
AssertionExtensions.CloseEnough(0, contentFrame.X, message: "Content X");
AssertionExtensions.CloseEnough(headerFrame.Height, contentFrame.Y, epsilon: 0.5, message: "Content Y");
AssertionExtensions.CloseEnough(flyoutFrame.Width, contentFrame.Width, message: "Content Width");
// validate footer position
AssertionExtensions.CloseEnough(0, footerFrame.X, message: "Footer X");
AssertionExtensions.CloseEnough(headerFrame.Height + contentFrame.Height, footerFrame.Y, epsilon: 0.5, message: "Footer Y");
AssertionExtensions.CloseEnough(flyoutFrame.Width, footerFrame.Width, message: "Footer Width");
//All three views should measure to the height of the flyout
AssertionExtensions.CloseEnough(headerFrame.Height + contentFrame.Height + footerFrame.Height, flyoutFrame.Height, epsilon: 0.5, message: "Total Height");
});
}
public async Task FlyoutHeaderCollapsesOnScroll()
{
await RunShellTest(shell =>
{
Enumerable.Range(0, 100)
.ForEach(i =>
{
shell.FlyoutHeaderBehavior = FlyoutHeaderBehavior.CollapseOnScroll;
shell.Items.Add(new FlyoutItem()
{
Title = $"FlyoutItem {i}", Items = { new ContentPage() }
});
});
var layout = new VerticalStackLayout()
{
new Label()
{
Text = "Header Content"
}
};
layout.HeightRequest = 250;
shell.FlyoutHeader = new ScrollView()
{
MinimumHeightRequest = 100,
Content = layout
};
},
async (shell, handler) =>
{
await OpenFlyout(handler);
await Task.Delay(10);
var initialBox = (shell.FlyoutHeader as IView).GetBoundingBox();
AssertionExtensions.CloseEnough(250, initialBox.Height, 0.3);
await ScrollFlyoutToBottom(handler);
var scrolledBox = (shell.FlyoutHeader as IView).GetBoundingBox();
AssertionExtensions.CloseEnough(100, scrolledBox.Height, 0.3);
});
}
public async Task FlyoutContentSetsCorrectBottomPaddingWhenMinHeightIsSetForFlyoutHeader()
{
await RunShellTest(shell =>
{
var layout = new VerticalStackLayout()
{
new Label()
{
Text = "Flyout Header"
}
};
layout.MinimumHeightRequest = 30;
shell.FlyoutHeader = layout;
shell.FlyoutFooter = new Label()
{
Text = "Flyout Footer"
};
shell.FlyoutContent = new VerticalStackLayout()
{
new Label()
{
Text = "Flyout Content"
}
};
shell.FlyoutHeaderBehavior = FlyoutHeaderBehavior.CollapseOnScroll;
},
async (shell, handler) =>
{
await OpenFlyout(handler);
var headerFrame = GetFrameRelativeToFlyout(handler, (IView)shell.FlyoutHeader);
var contentFrame = GetFrameRelativeToFlyout(handler, (IView)shell.FlyoutContent);
var footerFrame = GetFrameRelativeToFlyout(handler, (IView)shell.FlyoutFooter);
// validate footer position
AssertionExtensions.CloseEnough(footerFrame.Y, headerFrame.Height + contentFrame.Height);
});
}
public async Task FlyoutHeaderMinimumHeight(FlyoutHeaderBehavior behavior)
{
await RunShellTest(shell =>
{
var layout = new VerticalStackLayout()
{
new Label()
{
Text = "Flyout Header"
}
};
shell.FlyoutHeader = layout;
shell.FlyoutHeaderBehavior = behavior;
},
async (shell, handler) =>
{
await OpenFlyout(handler);
var flyoutFrame = GetFrameRelativeToFlyout(handler, shell.FlyoutHeader as IView);
if (behavior == FlyoutHeaderBehavior.CollapseOnScroll)
{
// 56 was pulled from the ActionBar height on Android
// and then just used across all three platforms for
// the min height when using collapse on scroll
AssertionExtensions.CloseEnough(56, flyoutFrame.Height);
}
else
{
AssertionExtensions.AssertWithMessage(() =>
Assert.True(flyoutFrame.Height < 56),
$"Expected < 56 Actual: {flyoutFrame.Height}"
);
}
});
}
public static Task <bool> Wait(Func <bool> exitCondition, int timeout = 1000) => AssertionExtensions.Wait(exitCondition, timeout);
protected Task <bool> Wait(Func <bool> exitCondition, int timeout = 1000) => AssertionExtensions.Wait(exitCondition, timeout);