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fix scrollview

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This commit is contained in:
Martin Yankov
2018-09-03 14:48:18 +03:00
parent abe3292c35
commit 2d39a47dd8
4 changed files with 43 additions and 12 deletions
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31
tns-core-modules/ui/core/view/view.ios.ts
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@@ -776,9 +776,9 @@ export namespace ios {
const inWindowRight = inWindowLeft + layout.round(layout.toDevicePixels(frame.size.width));
const inWindowBottom = inWindowTop + layout.round(layout.toDevicePixels(frame.size.height));
const parentWithController = ios.getParentWithViewController(view);
const safeArea = parentWithController.viewController.view.safeAreaLayoutGuide.layoutFrame;
const fullscreen = parentWithController.viewController.view.frame;
const availableSpace = getAvailableSpaceFromParent(view);
const safeArea = availableSpace.safeArea;
const fullscreen = availableSpace.fullscreen;
const position = ios.getPositionFromFrame(frame);
const safeAreaPosition = ios.getPositionFromFrame(safeArea);
@@ -830,6 +830,31 @@ export namespace ios {
layoutParent(view.parent);
}
function getAvailableSpaceFromParent(view: View): { safeArea: CGRect, fullscreen: CGRect } {
// Search for ViewController or UIScrollView parent to get their content size.
let parent = view.parent;
while (parent && !parent.viewController && !(parent.nativeViewProtected instanceof UIScrollView)) {
parent = parent.parent as View;
}
let fullscreen = null;
let safeArea = null;
if (parent.viewController) {
const nativeView = parent.viewController.view;
safeArea = nativeView.safeAreaLayoutGuide.layoutFrame;
fullscreen = nativeView.frame;
}
if (parent.nativeViewProtected instanceof UIScrollView) {
const nativeView = parent.nativeViewProtected;
safeArea = nativeView.safeAreaLayoutGuide.layoutFrame;
fullscreen = CGRectMake(0, 0, nativeView.contentSize.width, nativeView.contentSize.height);
}
return { safeArea: safeArea, fullscreen: fullscreen}
}
export class UILayoutViewController extends UIViewController {
public owner: WeakRef<View>;