mirror of
https://github.com/NativeScript/NativeScript.git
synced 2025-08-16 03:31:45 +08:00
733 lines
28 KiB
TypeScript
733 lines
28 KiB
TypeScript
// Definitions.
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import { iOSFrame as iOSFrameDefinition, BackstackEntry, NavigationTransition } from "ui/frame";
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import { Page } from "ui/page";
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//Types.
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import { FrameBase, View, application, layout, traceEnabled, traceWrite, traceCategories, isCategorySet } from "./frame-common";
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import { _createIOSAnimatedTransitioning } from "ui/transition";
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import * as uiUtils from "ui/utils";
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export * from "./frame-common";
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const ENTRY = "_entry";
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const NAV_DEPTH = "_navDepth";
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const TRANSITION = "_transition";
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const DELEGATE = "_delegate";
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let navDepth = -1;
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const FRAME_CONTEXT = {};
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export class Frame extends FrameBase {
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private _ios: iOSFrame;
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private _paramToNavigate: any;
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public _animatedDelegate = <UINavigationControllerDelegate>UINavigationControllerAnimatedDelegate.new();
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public _shouldSkipNativePop: boolean = false;
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public _navigateToEntry: BackstackEntry;
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public _widthMeasureSpec: number;
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public _heightMeasureSpec: number;
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public _right: number;
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public _bottom: number;
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public _isInitialNavigation: boolean = true;
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public get _context(): any {
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return FRAME_CONTEXT;
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}
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public set _context(value: any) {
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throw new Error("Frame _context is readonly");
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}
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constructor() {
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super();
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this._ios = new iOSFrame(this);
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// When there is a 40px high "in-call" status bar, nobody moves the navigationBar top from 20 to 40 and it remains underneath the status bar.
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let frameRef = new WeakRef(this);
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application.ios.addNotificationObserver(UIApplicationDidChangeStatusBarFrameNotification, (notification: NSNotification) => {
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let frame = frameRef.get();
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if (frame) {
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frame._handleHigherInCallStatusBarIfNeeded();
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if (frame.currentPage) {
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frame.currentPage.requestLayout();
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}
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}
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});
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}
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public onLoaded() {
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super.onLoaded();
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if (this._paramToNavigate) {
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this.navigate(this._paramToNavigate);
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this._paramToNavigate = undefined;
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}
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}
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public navigate(param: any) {
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if (this.isLoaded) {
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super.navigate(param);
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this._isInitialNavigation = false;
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}
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else {
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this._paramToNavigate = param;
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}
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}
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public _navigateCore(backstackEntry: BackstackEntry) {
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super._navigateCore(backstackEntry);
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let viewController: UIViewController = backstackEntry.resolvedPage.ios;
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if (!viewController) {
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throw new Error("Required page does not have a viewController created.");
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}
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let clearHistory = backstackEntry.entry.clearHistory;
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if (clearHistory) {
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navDepth = -1;
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}
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navDepth++;
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let navigationTransition: NavigationTransition;
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let animated = this.currentPage ? this._getIsAnimatedNavigation(backstackEntry.entry) : false;
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if (animated) {
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navigationTransition = this._getNavigationTransition(backstackEntry.entry);
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if (navigationTransition) {
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viewController[TRANSITION] = navigationTransition;
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}
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}
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else {
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//https://github.com/NativeScript/NativeScript/issues/1787
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viewController[TRANSITION] = { name: "non-animated" };
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}
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let nativeTransition = _getNativeTransition(navigationTransition, true);
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if (!nativeTransition && navigationTransition) {
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this._ios.controller.delegate = this._animatedDelegate;
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viewController[DELEGATE] = this._animatedDelegate;
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}
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else {
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viewController[DELEGATE] = null;
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this._ios.controller.delegate = null;
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}
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backstackEntry[NAV_DEPTH] = navDepth;
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viewController[ENTRY] = backstackEntry;
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// First navigation.
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if (!this._currentEntry) {
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// Update action-bar with disabled animations before the initial navigation.
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this._updateActionBar(backstackEntry.resolvedPage, true);
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this._ios.controller.pushViewControllerAnimated(viewController, animated);
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if (traceEnabled()) {
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traceWrite(`${this}.pushViewControllerAnimated(${viewController}, ${animated}); depth = ${navDepth}`, traceCategories.Navigation);
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}
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return;
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}
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// We should clear the entire history.
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if (clearHistory) {
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viewController.navigationItem.hidesBackButton = true;
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let newControllers = NSMutableArray.alloc().initWithCapacity(1);
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newControllers.addObject(viewController);
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// Mark all previous ViewControllers as cleared
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const oldControllers = this._ios.controller.viewControllers;
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for (let i = 0; i < oldControllers.count; i++) {
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(<any>oldControllers.objectAtIndex(i)).isBackstackCleared = true;
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}
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this._ios.controller.setViewControllersAnimated(newControllers, animated);
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if (traceEnabled()) {
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traceWrite(`${this}.setViewControllersAnimated([${viewController}], ${animated}); depth = ${navDepth}`, traceCategories.Navigation);
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}
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return;
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}
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// We should hide the current entry from the back stack.
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if (!Frame._isEntryBackstackVisible(this._currentEntry)) {
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let newControllers = NSMutableArray.alloc<UIViewController>().initWithArray(this._ios.controller.viewControllers);
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if (newControllers.count === 0) {
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throw new Error("Wrong controllers count.");
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}
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// the code below fixes a phantom animation that appears on the Back button in this case
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// TODO: investigate why the animation happens at first place before working around it
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viewController.navigationItem.hidesBackButton = this.backStack.length === 0;
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// swap the top entry with the new one
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const skippedNavController = newControllers.lastObject;
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(<any>skippedNavController).isBackstackSkipped = true;
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newControllers.removeLastObject();
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newControllers.addObject(viewController);
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// replace the controllers instead of pushing directly
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this._ios.controller.setViewControllersAnimated(newControllers, animated);
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if (traceEnabled()) {
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traceWrite(`${this}.setViewControllersAnimated([originalControllers - lastController + ${viewController}], ${animated}); depth = ${navDepth}`, traceCategories.Navigation);
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}
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return;
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}
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// General case.
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this._ios.controller.pushViewControllerAnimated(viewController, animated);
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if (traceEnabled()) {
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traceWrite(`${this}.pushViewControllerAnimated(${viewController}, ${animated}); depth = ${navDepth}`, traceCategories.Navigation);
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}
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}
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public _goBackCore(backstackEntry: BackstackEntry) {
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super._goBackCore(backstackEntry);
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navDepth = backstackEntry[NAV_DEPTH];
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if (!this._shouldSkipNativePop) {
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let controller = backstackEntry.resolvedPage.ios;
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let animated = this._currentEntry ? this._getIsAnimatedNavigation(this._currentEntry.entry) : false;
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this._updateActionBar(backstackEntry.resolvedPage);
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if (traceEnabled()) {
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traceWrite(`${this}.popToViewControllerAnimated(${controller}, ${animated}); depth = ${navDepth}`, traceCategories.Navigation);
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}
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this._ios.controller.popToViewControllerAnimated(controller, animated);
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}
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}
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public _updateActionBar(page?: Page, disableNavBarAnimation: boolean = false): void {
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super._updateActionBar(page);
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page = page || this.currentPage;
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let newValue = this._getNavBarVisible(page);
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let disableNavBarAnimationCache = this._ios._disableNavBarAnimation;
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if (disableNavBarAnimation) {
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this._ios._disableNavBarAnimation = true;
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}
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this._ios.showNavigationBar = newValue;
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if (disableNavBarAnimation) {
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this._ios._disableNavBarAnimation = disableNavBarAnimationCache;
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}
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if (this._ios.controller.navigationBar) {
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this._ios.controller.navigationBar.userInteractionEnabled = this.navigationQueueIsEmpty();
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}
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}
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public _getNavBarVisible(page: Page): boolean {
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switch (this._ios.navBarVisibility) {
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case "always":
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return true;
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case "never":
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return false;
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case "auto":
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let newValue: boolean;
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if (page && page.actionBarHidden !== undefined) {
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newValue = !page.actionBarHidden;
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}
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else {
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newValue = this.ios.controller.viewControllers.count > 1 || (page && page.actionBar && !page.actionBar._isEmpty());
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}
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newValue = !!newValue; // Make sure it is boolean
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return newValue;
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}
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}
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public get ios(): iOSFrame {
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return this._ios;
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}
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get _nativeView(): any {
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return this._ios.controller.view;
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}
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public static get defaultAnimatedNavigation(): boolean {
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return FrameBase.defaultAnimatedNavigation;
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}
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public static set defaultAnimatedNavigation(value: boolean) {
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FrameBase.defaultAnimatedNavigation = value;
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}
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public static get defaultTransition(): NavigationTransition {
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return FrameBase.defaultTransition;
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}
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public static set defaultTransition(value: NavigationTransition) {
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FrameBase.defaultTransition = value;
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}
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public requestLayout(): void {
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super.requestLayout();
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// Invalidate our Window so that layout is triggered again.
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let window = this._nativeView.window;
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if (window) {
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window.setNeedsLayout();
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}
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}
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public onMeasure(widthMeasureSpec: number, heightMeasureSpec: number): void {
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let width = layout.getMeasureSpecSize(widthMeasureSpec);
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let widthMode = layout.getMeasureSpecMode(widthMeasureSpec);
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let height = layout.getMeasureSpecSize(heightMeasureSpec);
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let heightMode = layout.getMeasureSpecMode(heightMeasureSpec);
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this._widthMeasureSpec = widthMeasureSpec;
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this._heightMeasureSpec = heightMeasureSpec;
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let result = this.measurePage(this.currentPage);
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if (this._navigateToEntry && this.currentPage) {
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let newPageSize = this.measurePage(this._navigateToEntry.resolvedPage);
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result.measuredWidth = Math.max(result.measuredWidth, newPageSize.measuredWidth);
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result.measuredHeight = Math.max(result.measuredHeight, newPageSize.measuredHeight);
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}
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let widthAndState = View.resolveSizeAndState(result.measuredWidth, width, widthMode, 0);
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let heightAndState = View.resolveSizeAndState(result.measuredHeight, height, heightMode, 0);
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this.setMeasuredDimension(widthAndState, heightAndState);
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}
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public measurePage(page: Page): { measuredWidth: number; measuredHeight: number } {
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// If background does not span under statusbar - reduce available height.
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let heightSpec: number = this._heightMeasureSpec;
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if (page && !page.backgroundSpanUnderStatusBar && !this.parent) {
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let height = layout.getMeasureSpecSize(this._heightMeasureSpec);
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let heightMode = layout.getMeasureSpecMode(this._heightMeasureSpec);
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let statusBarHeight = uiUtils.ios.getStatusBarHeight();
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heightSpec = layout.makeMeasureSpec(height - statusBarHeight, heightMode);
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}
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return View.measureChild(this, page, this._widthMeasureSpec, heightSpec);
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}
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public onLayout(left: number, top: number, right: number, bottom: number): void {
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this._right = right;
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this._bottom = bottom;
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this._handleHigherInCallStatusBarIfNeeded();
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this.layoutPage(this.currentPage);
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if (this._navigateToEntry && this.currentPage) {
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this.layoutPage(this._navigateToEntry.resolvedPage);
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}
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}
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public layoutPage(page: Page): void {
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if (page && (<any>page)._viewWillDisappear) {
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//https://github.com/NativeScript/NativeScript/issues/1201
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return;
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}
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// If background does not span under statusbar - reduce available height and adjust top offset.
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let statusBarHeight = (page && !page.backgroundSpanUnderStatusBar && !this.parent) ? uiUtils.ios.getStatusBarHeight() : 0;
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// Status bar height should be ignored when UINavigationBar is visible and not translucent
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if (this._ios.showNavigationBar &&
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!this._ios.controller.navigationBar.translucent &&
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page && (<any>page)._ios && !(<any>page)._ios.shown) {
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statusBarHeight = 0;
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}
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View.layoutChild(this, page, 0, statusBarHeight, this._right, this._bottom);
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}
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public get navigationBarHeight(): number {
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let navigationBar = this._ios.controller.navigationBar;
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return (navigationBar && !this._ios.controller.navigationBarHidden) ? navigationBar.frame.size.height : 0;
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}
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public _setNativeViewFrame(nativeView: any, frame: any) {
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// HACK: The plugin https://github.com/hackiftekhar/IQKeyboardManager offsets our Frame's 'nativeView.frame.origin.y'
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// to a negative value so the currently focused TextField/TextView is always on the screen while the soft keyboard is showing.
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// Our Frame always wants to have an origin of {0, 0}, so if someone else has been playing with origin.x or origin.y do not bring it back to {0, 0}.
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if (nativeView.frame.size.width === frame.size.width && nativeView.frame.size.height === frame.size.height) {
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return;
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}
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super._setNativeViewFrame(nativeView, frame);
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}
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public remeasureFrame(): void {
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this.requestLayout();
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let window: UIWindow = this._nativeView.window;
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if (window) {
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window.layoutIfNeeded();
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}
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}
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public _onNavigatingTo(backstackEntry: BackstackEntry, isBack: boolean) {
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//
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}
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_handleHigherInCallStatusBarIfNeeded() {
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let statusBarHeight = uiUtils.ios.getStatusBarHeight();
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if (!this._ios ||
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!this._ios.controller ||
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!this._ios.controller.navigationBar ||
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this._ios.controller.navigationBar.hidden ||
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this._ios.controller.navigationBar.frame.origin.y === statusBarHeight) {
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return;
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}
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if (traceEnabled()) {
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traceWrite(`Forcing navigationBar.frame.origin.y to ${statusBarHeight} due to a higher in-call status-bar`, traceCategories.Layout);
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}
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this._ios.controller.navigationBar.autoresizingMask = UIViewAutoresizing.None;
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this._ios.controller.navigationBar.removeConstraints((<any>this)._ios.controller.navigationBar.constraints);
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this._ios.controller.navigationBar.frame = CGRectMake(
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this._ios.controller.navigationBar.frame.origin.x,
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statusBarHeight,
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this._ios.controller.navigationBar.frame.size.width,
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this._ios.controller.navigationBar.frame.size.height);
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}
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}
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let transitionDelegates = new Array<TransitionDelegate>();
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class TransitionDelegate extends NSObject {
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private _id: string;
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public static initWithOwnerId(id: string): TransitionDelegate {
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let delegate = <TransitionDelegate>TransitionDelegate.new();
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delegate._id = id;
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transitionDelegates.push(delegate);
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return delegate;
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}
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public animationWillStart(animationID: string, context: any): void {
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if (traceEnabled()) {
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traceWrite(`START ${this._id}`, traceCategories.Transition);
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}
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}
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public animationDidStop(animationID: string, finished: boolean, context: any): void {
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if (finished) {
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if (traceEnabled()) {
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traceWrite(`END ${this._id}`, traceCategories.Transition);
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}
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}
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else {
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if (traceEnabled()) {
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traceWrite(`CANCEL ${this._id}`, traceCategories.Transition);
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}
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}
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let index = transitionDelegates.indexOf(this);
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if (index > -1) {
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transitionDelegates.splice(index, 1);
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}
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}
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public static ObjCExposedMethods = {
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"animationWillStart": { returns: interop.types.void, params: [NSString, NSObject] },
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"animationDidStop": { returns: interop.types.void, params: [NSString, NSNumber, NSObject] }
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};
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}
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const _defaultTransitionDuration = 0.35;
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class UINavigationControllerAnimatedDelegate extends NSObject implements UINavigationControllerDelegate {
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public static ObjCProtocols = [UINavigationControllerDelegate];
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navigationControllerAnimationControllerForOperationFromViewControllerToViewController(
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navigationController: UINavigationController,
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operation: number,
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fromVC: UIViewController,
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toVC: UIViewController): UIViewControllerAnimatedTransitioning {
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let viewController: UIViewController;
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switch (operation) {
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case UINavigationControllerOperation.Push:
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viewController = toVC;
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break;
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case UINavigationControllerOperation.Pop:
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viewController = fromVC;
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break;
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}
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if (!viewController) {
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return null;
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}
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let navigationTransition = <NavigationTransition>viewController[TRANSITION];
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if (!navigationTransition) {
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return null;
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}
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if (traceEnabled()) {
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traceWrite(`UINavigationControllerImpl.navigationControllerAnimationControllerForOperationFromViewControllerToViewController(${operation}, ${fromVC}, ${toVC}), transition: ${JSON.stringify(navigationTransition)}`, traceCategories.NativeLifecycle);
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}
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let curve = _getNativeCurve(navigationTransition);
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let animationController = _createIOSAnimatedTransitioning(navigationTransition, curve, operation, fromVC, toVC);
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return animationController;
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}
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}
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class UINavigationControllerImpl extends UINavigationController {
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private _owner: WeakRef<Frame>;
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public static initWithOwner(owner: WeakRef<Frame>): UINavigationControllerImpl {
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let controller = <UINavigationControllerImpl>UINavigationControllerImpl.new();
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controller._owner = owner;
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return controller;
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}
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get owner(): Frame {
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return this._owner.get();
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}
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public viewDidLoad(): void {
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super.viewDidLoad();
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let owner = this._owner.get();
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if (owner) {
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owner.onLoaded();
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}
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}
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public viewDidLayoutSubviews(): void {
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let owner = this._owner.get();
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if (owner) {
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if (traceEnabled()) {
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traceWrite(this._owner + " viewDidLayoutSubviews, isLoaded = " + owner.isLoaded, traceCategories.ViewHierarchy);
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}
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owner._updateLayout();
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}
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}
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private animateWithDuration(navigationTransition: NavigationTransition,
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nativeTransition: UIViewAnimationTransition,
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transitionType: string,
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baseCallback: Function): void {
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let duration = navigationTransition.duration ? navigationTransition.duration / 1000 : _defaultTransitionDuration;
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let curve = _getNativeCurve(navigationTransition);
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let transitionTraced = isCategorySet(traceCategories.Transition);
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let transitionDelegate: TransitionDelegate;
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if (transitionTraced) {
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let id = _getTransitionId(nativeTransition, transitionType);
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transitionDelegate = TransitionDelegate.initWithOwnerId(id);
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}
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UIView.animateWithDurationAnimations(duration, () => {
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if (transitionTraced) {
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UIView.setAnimationDelegate(transitionDelegate);
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|
}
|
|
|
|
UIView.setAnimationWillStartSelector("animationWillStart");
|
|
UIView.setAnimationDidStopSelector("animationDidStop");
|
|
UIView.setAnimationCurve(curve);
|
|
baseCallback();
|
|
UIView.setAnimationTransitionForViewCache(nativeTransition, this.view, true);
|
|
});
|
|
}
|
|
|
|
public pushViewControllerAnimated(viewController: UIViewController, animated: boolean): void {
|
|
let navigationTransition = <NavigationTransition>viewController[TRANSITION];
|
|
if (traceEnabled()) {
|
|
traceWrite(`UINavigationControllerImpl.pushViewControllerAnimated(${viewController}, ${animated}); transition: ${JSON.stringify(navigationTransition)}`, traceCategories.NativeLifecycle);
|
|
}
|
|
|
|
let nativeTransition = _getNativeTransition(navigationTransition, true);
|
|
if (!animated || !navigationTransition || !nativeTransition) {
|
|
super.pushViewControllerAnimated(viewController, animated);
|
|
return;
|
|
}
|
|
|
|
this.animateWithDuration(navigationTransition, nativeTransition, "push", () => {
|
|
super.pushViewControllerAnimated(viewController, false);
|
|
});
|
|
}
|
|
|
|
public setViewControllersAnimated(viewControllers: NSArray<any>, animated: boolean): void {
|
|
let viewController = viewControllers.lastObject;
|
|
let navigationTransition = <NavigationTransition>viewController[TRANSITION];
|
|
|
|
if (traceEnabled()) {
|
|
traceWrite(`UINavigationControllerImpl.setViewControllersAnimated(${viewControllers}, ${animated}); transition: ${JSON.stringify(navigationTransition)}`, traceCategories.NativeLifecycle);
|
|
}
|
|
|
|
let nativeTransition = _getNativeTransition(navigationTransition, true);
|
|
if (!animated || !navigationTransition || !nativeTransition) {
|
|
super.setViewControllersAnimated(viewControllers, animated);
|
|
return;
|
|
}
|
|
|
|
this.animateWithDuration(navigationTransition, nativeTransition, "set", () => {
|
|
super.setViewControllersAnimated(viewControllers, false);
|
|
});
|
|
}
|
|
|
|
public popViewControllerAnimated(animated: boolean): UIViewController {
|
|
let lastViewController = this.viewControllers.lastObject;
|
|
let navigationTransition = <NavigationTransition>lastViewController[TRANSITION];
|
|
if (traceEnabled()) {
|
|
traceWrite(`UINavigationControllerImpl.popViewControllerAnimated(${animated}); transition: ${JSON.stringify(navigationTransition)}`, traceCategories.NativeLifecycle);
|
|
}
|
|
|
|
if (navigationTransition && navigationTransition.name === "non-animated") {
|
|
//https://github.com/NativeScript/NativeScript/issues/1787
|
|
return super.popViewControllerAnimated(false);
|
|
}
|
|
|
|
let nativeTransition = _getNativeTransition(navigationTransition, false);
|
|
if (!animated || !navigationTransition || !nativeTransition) {
|
|
return super.popViewControllerAnimated(animated);
|
|
}
|
|
|
|
this.animateWithDuration(navigationTransition, nativeTransition, "pop", () => {
|
|
super.popViewControllerAnimated(false);
|
|
});
|
|
|
|
return null;
|
|
}
|
|
|
|
public popToViewControllerAnimated(viewController: UIViewController, animated: boolean): NSArray<UIViewController> {
|
|
let lastViewController = this.viewControllers.lastObject;
|
|
let navigationTransition = <NavigationTransition>lastViewController[TRANSITION];
|
|
if (traceEnabled()) {
|
|
traceWrite(`UINavigationControllerImpl.popToViewControllerAnimated(${viewController}, ${animated}); transition: ${JSON.stringify(navigationTransition)}`, traceCategories.NativeLifecycle);
|
|
}
|
|
|
|
if (navigationTransition && navigationTransition.name === "non-animated") {
|
|
//https://github.com/NativeScript/NativeScript/issues/1787
|
|
return super.popToViewControllerAnimated(viewController, false);
|
|
}
|
|
|
|
let nativeTransition = _getNativeTransition(navigationTransition, false);
|
|
if (!animated || !navigationTransition || !nativeTransition) {
|
|
return super.popToViewControllerAnimated(viewController, animated);
|
|
}
|
|
|
|
this.animateWithDuration(navigationTransition, nativeTransition, "popTo", () => {
|
|
super.popToViewControllerAnimated(viewController, false);
|
|
});
|
|
|
|
return null;
|
|
}
|
|
}
|
|
|
|
function _getTransitionId(nativeTransition: UIViewAnimationTransition, transitionType: string): string {
|
|
let name;
|
|
switch (nativeTransition) {
|
|
case UIViewAnimationTransition.CurlDown: name = "CurlDown"; break;
|
|
case UIViewAnimationTransition.CurlUp: name = "CurlUp"; break;
|
|
case UIViewAnimationTransition.FlipFromLeft: name = "FlipFromLeft"; break;
|
|
case UIViewAnimationTransition.FlipFromRight: name = "FlipFromRight"; break;
|
|
case UIViewAnimationTransition.None: name = "None"; break;
|
|
}
|
|
|
|
return `${name} ${transitionType}`;
|
|
}
|
|
|
|
function _getNativeTransition(navigationTransition: NavigationTransition, push: boolean): UIViewAnimationTransition {
|
|
if (navigationTransition && navigationTransition.name) {
|
|
switch (navigationTransition.name.toLowerCase()) {
|
|
case "flip":
|
|
case "flipright":
|
|
return push ? UIViewAnimationTransition.FlipFromRight : UIViewAnimationTransition.FlipFromLeft;
|
|
case "flipleft":
|
|
return push ? UIViewAnimationTransition.FlipFromLeft : UIViewAnimationTransition.FlipFromRight;
|
|
case "curl":
|
|
case "curlup":
|
|
return push ? UIViewAnimationTransition.CurlUp : UIViewAnimationTransition.CurlDown;
|
|
case "curldown":
|
|
return push ? UIViewAnimationTransition.CurlDown : UIViewAnimationTransition.CurlUp;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
export function _getNativeCurve(transition: NavigationTransition): UIViewAnimationCurve {
|
|
if (transition.curve) {
|
|
switch (transition.curve) {
|
|
case "easeIn":
|
|
if (traceEnabled()) {
|
|
traceWrite("Transition curve resolved to UIViewAnimationCurve.EaseIn.", traceCategories.Transition);
|
|
}
|
|
return UIViewAnimationCurve.EaseIn;
|
|
|
|
case "easeOut":
|
|
if (traceEnabled()) {
|
|
traceWrite("Transition curve resolved to UIViewAnimationCurve.EaseOut.", traceCategories.Transition);
|
|
}
|
|
return UIViewAnimationCurve.EaseOut;
|
|
|
|
case "easeInOut":
|
|
if (traceEnabled()) {
|
|
traceWrite("Transition curve resolved to UIViewAnimationCurve.EaseInOut.", traceCategories.Transition);
|
|
}
|
|
return UIViewAnimationCurve.EaseInOut;
|
|
|
|
case "linear":
|
|
if (traceEnabled()) {
|
|
traceWrite("Transition curve resolved to UIViewAnimationCurve.Linear.", traceCategories.Transition);
|
|
}
|
|
return UIViewAnimationCurve.Linear;
|
|
|
|
default:
|
|
if (traceEnabled()) {
|
|
traceWrite("Transition curve resolved to original: " + transition.curve, traceCategories.Transition);
|
|
}
|
|
return transition.curve;
|
|
}
|
|
}
|
|
|
|
return UIViewAnimationCurve.EaseInOut;
|
|
}
|
|
|
|
/* tslint:disable */
|
|
class iOSFrame implements iOSFrameDefinition {
|
|
/* tslint:enable */
|
|
private _controller: UINavigationControllerImpl;
|
|
private _showNavigationBar: boolean;
|
|
private _navBarVisibility: "auto" | "never" | "always" = "auto";
|
|
private _frame: Frame;
|
|
|
|
// TabView uses this flag to disable animation while showing/hiding the navigation bar because of the "< More" bar.
|
|
// See the TabView._handleTwoNavigationBars method for more details.
|
|
public _disableNavBarAnimation: boolean;
|
|
|
|
constructor(frame: Frame) {
|
|
this._frame = frame;
|
|
this._controller = UINavigationControllerImpl.initWithOwner(new WeakRef(frame));
|
|
this._controller.automaticallyAdjustsScrollViewInsets = false;
|
|
}
|
|
|
|
public get controller() {
|
|
return this._controller;
|
|
}
|
|
|
|
public get showNavigationBar(): boolean {
|
|
return this._showNavigationBar;
|
|
}
|
|
public set showNavigationBar(value: boolean) {
|
|
let change = this._showNavigationBar !== value;
|
|
this._showNavigationBar = value;
|
|
|
|
let animated = !this._frame._isInitialNavigation && !this._disableNavBarAnimation;
|
|
|
|
this._controller.setNavigationBarHiddenAnimated(!value, animated);
|
|
|
|
let currentPage = this._controller.owner.currentPage;
|
|
if (currentPage && change) {
|
|
currentPage.requestLayout();
|
|
}
|
|
}
|
|
|
|
public get navBarVisibility(): "auto" | "never" | "always" {
|
|
return this._navBarVisibility;
|
|
}
|
|
public set navBarVisibility(value: "auto" | "never" | "always") {
|
|
this._navBarVisibility = value;
|
|
}
|
|
} |