Files
NativeScript/tns-core-modules/ui/transition/transition.android.ts
2017-03-28 18:08:59 +03:00

742 lines
33 KiB
TypeScript

// Definitions.
import { Transition as TransitionDefinition } from ".";
import { Page } from "../page";
import { NavigationTransition, BackstackEntry } from "../frame";
// Types.
import { getClass } from "../../utils/types";
import { device } from "../../platform";
import { _resolveAnimationCurve } from "../animation";
import lazy from "../../utils/lazy";
import { isEnabled as traceEnabled, write as traceWrite, categories as traceCategories } from "../../trace";
let slideTransition: any;
function ensureSlideTransition() {
if (!slideTransition) {
slideTransition = require("ui/transition/slide-transition");
}
}
let fadeTransition: any;
function ensureFadeTransition() {
if (!fadeTransition) {
fadeTransition = require("ui/transition/fade-transition");
}
}
let flipTransition: any;
function ensureFlipTransition() {
if (!flipTransition) {
flipTransition = require("ui/transition/flip-transition");
}
}
let _sdkVersion = lazy(() => parseInt(device.sdkVersion));
let _defaultInterpolator = lazy(() => new android.view.animation.AccelerateDecelerateInterpolator());
interface CompleteOptions {
isBack: boolean;
}
interface ExpandedFragment {
enterPopExitTransition: TransitionDefinition;
enterPopExitTransitionListener: { remove(); }
exitPopEnterTransition: TransitionDefinition;
exitPopEnterTransitionListener: { remove(); }
completePageAdditionWhenTransitionEnds: CompleteOptions;
completePageRemovalWhenTransitionEnds: CompleteOptions;
exitHack: boolean;
isDestroyed: boolean;
}
const enterFakeResourceId = -10;
const exitFakeResourceId = -20;
const popEnterFakeResourceId = -30;
const popExitFakeResourceId = -40;
export module AndroidTransitionType {
export const enter: string = "enter";
export const exit: string = "exit";
export const popEnter: string = "popEnter";
export const popExit: string = "popExit";
}
export function _clearBackwardTransitions(fragment: any): void {
let expandedFragment = <ExpandedFragment>fragment;
if (expandedFragment.enterPopExitTransition) {
if (traceEnabled()) {
traceWrite(`Cleared enterPopExitTransition ${expandedFragment.enterPopExitTransition} for ${fragment}`, traceCategories.Transition);
}
if (expandedFragment.enterPopExitTransitionListener) {
expandedFragment.enterPopExitTransitionListener.remove();
}
expandedFragment.enterPopExitTransition = undefined;
}
if (_sdkVersion() >= 21) {
let enterTransition = (<any>fragment).getEnterTransition();
if (enterTransition) {
if (traceEnabled()) {
traceWrite(`Cleared Enter ${enterTransition.getClass().getSimpleName()} transition for ${fragment}`, traceCategories.Transition);
}
if (enterTransition.transitionListener) {
enterTransition.transitionListener.remove();
}
(<any>fragment).setEnterTransition(null);
}
let returnTransition = (<any>fragment).getReturnTransition();
if (returnTransition) {
if (traceEnabled()) {
traceWrite(`Cleared Pop Exit ${returnTransition.getClass().getSimpleName()} transition for ${fragment}`, traceCategories.Transition);
}
if (returnTransition.transitionListener) {
returnTransition.transitionListener.remove();
}
(<any>fragment).setReturnTransition(null);
}
}
}
export function _clearForwardTransitions(fragment: any): void {
let expandedFragment = <ExpandedFragment>fragment;
if (expandedFragment.exitPopEnterTransition) {
if (traceEnabled()) {
traceWrite(`Cleared exitPopEnterTransition ${expandedFragment.exitPopEnterTransition} for ${fragment}`, traceCategories.Transition);
}
if (expandedFragment.exitPopEnterTransitionListener) {
expandedFragment.exitPopEnterTransitionListener.remove();
}
expandedFragment.exitPopEnterTransition = undefined;
}
if (_sdkVersion() >= 21) {
let exitTransition = (<any>fragment).getExitTransition();
if (exitTransition) {
if (traceEnabled()) {
traceWrite(`Cleared Exit ${exitTransition.getClass().getSimpleName()} transition for ${fragment}`, traceCategories.Transition);
}
if (exitTransition.transitionListener) {
exitTransition.transitionListener.remove();
}
(<any>fragment).setExitTransition(null);//exit
}
let reenterTransition = (<any>fragment).getReenterTransition();
if (reenterTransition) {
if (traceEnabled()) {
traceWrite(`Cleared Pop Enter ${reenterTransition.getClass().getSimpleName()} transition for ${fragment}`, traceCategories.Transition);
}
if (reenterTransition.transitionListener) {
reenterTransition.transitionListener.remove();
}
(<any>fragment).setReenterTransition(null);//popEnter
}
}
}
export function _setAndroidFragmentTransitions(cachePagesOnNavigate: boolean, navigationTransition: NavigationTransition, currentFragment: any, newFragment: any, fragmentTransaction: android.app.FragmentTransaction): void {
traceWrite(`Setting Android Fragment Transitions...`, traceCategories.Transition);
let name;
if (navigationTransition.name) {
name = navigationTransition.name.toLowerCase();
}
let useLollipopTransition = name && (name.indexOf("slide") === 0 || name === "fade" || name === "explode") && _sdkVersion() >= 21;
// There is a problem when we have cachePagesOnNavigate on API Level 23 only.
// The exit transition of the current fragment ends immediately, the page UI is removed from the visual tree
// and a white spot is left in its place making the transition ugly.
// So we will use the "old" pre-Lollipop transitions in this particular case.
if (cachePagesOnNavigate && _sdkVersion() === 23) {
useLollipopTransition = false;
}
if (useLollipopTransition) {
// setEnterTransition: Enter
// setExitTransition: Exit
// setReenterTransition: Pop Enter, same as Exit if not specified
// setReturnTransition: Pop Exit, same as Enter if not specified
newFragment.setAllowEnterTransitionOverlap(true);
newFragment.setAllowReturnTransitionOverlap(true);
if (currentFragment) {
currentFragment.setAllowEnterTransitionOverlap(true);
currentFragment.setAllowReturnTransitionOverlap(true);
}
if (name.indexOf("slide") === 0) {
let direction = name.substr("slide".length) || "left"; //Extract the direction from the string
switch (direction) {
case "left":
let rightEdge = new (<any>android).transition.Slide((<any>android).view.Gravity.RIGHT);
_setUpNativeTransition(navigationTransition, rightEdge);
_addNativeTransitionListener(newFragment, rightEdge);
newFragment.setEnterTransition(rightEdge);
if (currentFragment) {
let leftEdge = new (<any>android).transition.Slide((<any>android).view.Gravity.LEFT);
_setUpNativeTransition(navigationTransition, leftEdge);
_addNativeTransitionListener(currentFragment, leftEdge);
currentFragment.setExitTransition(leftEdge);
}
break;
case "right":
let leftEdge = new (<any>android).transition.Slide((<any>android).view.Gravity.LEFT);
_setUpNativeTransition(navigationTransition, leftEdge);
_addNativeTransitionListener(newFragment, leftEdge);
newFragment.setEnterTransition(leftEdge);
if (currentFragment) {
let rightEdge = new (<any>android).transition.Slide((<any>android).view.Gravity.RIGHT);
_setUpNativeTransition(navigationTransition, rightEdge);
_addNativeTransitionListener(currentFragment, rightEdge);
currentFragment.setExitTransition(rightEdge);
}
break;
case "top":
let bottomEdge = new (<any>android).transition.Slide((<any>android).view.Gravity.BOTTOM);
_setUpNativeTransition(navigationTransition, bottomEdge);
_addNativeTransitionListener(newFragment, bottomEdge);
newFragment.setEnterTransition(bottomEdge);
if (currentFragment) {
let topEdge = new (<any>android).transition.Slide((<any>android).view.Gravity.TOP);
_setUpNativeTransition(navigationTransition, topEdge);
_addNativeTransitionListener(currentFragment, topEdge);
currentFragment.setExitTransition(topEdge);
}
break;
case "bottom":
let topEdge = new (<any>android).transition.Slide((<any>android).view.Gravity.TOP);
_setUpNativeTransition(navigationTransition, topEdge);
_addNativeTransitionListener(newFragment, topEdge);
newFragment.setEnterTransition(topEdge);
if (currentFragment) {
let bottomEdge = new (<any>android).transition.Slide((<any>android).view.Gravity.BOTTOM);
_setUpNativeTransition(navigationTransition, bottomEdge);
_addNativeTransitionListener(currentFragment, bottomEdge);
currentFragment.setExitTransition(bottomEdge);
}
break;
}
}
else if (name === "fade") {
let fadeEnter = new (<any>android).transition.Fade((<any>android).transition.Fade.IN);
_setUpNativeTransition(navigationTransition, fadeEnter);
_addNativeTransitionListener(newFragment, fadeEnter);
newFragment.setEnterTransition(fadeEnter);
let fadeReturn = new (<any>android).transition.Fade((<any>android).transition.Fade.OUT);
_setUpNativeTransition(navigationTransition, fadeReturn);
_addNativeTransitionListener(newFragment, fadeReturn);
newFragment.setReturnTransition(fadeReturn);
if (currentFragment) {
let fadeExit = new (<any>android).transition.Fade((<any>android).transition.Fade.OUT);
_setUpNativeTransition(navigationTransition, fadeExit);
_addNativeTransitionListener(currentFragment, fadeExit);
currentFragment.setExitTransition(fadeExit);
let fadeReenter = new (<any>android).transition.Fade((<any>android).transition.Fade.IN);
_setUpNativeTransition(navigationTransition, fadeReenter);
_addNativeTransitionListener(currentFragment, fadeReenter);
currentFragment.setReenterTransition(fadeReenter);
}
}
else if (name === "explode") {
let explodeEnter = new (<any>android).transition.Explode();
_setUpNativeTransition(navigationTransition, explodeEnter);
_addNativeTransitionListener(newFragment, explodeEnter);
newFragment.setEnterTransition(explodeEnter);
if (currentFragment) {
let explodeExit = new (<any>android).transition.Explode();
_setUpNativeTransition(navigationTransition, explodeExit);
_addNativeTransitionListener(currentFragment, explodeExit);
currentFragment.setExitTransition(explodeExit);
}
}
}
else {
let transition: TransitionDefinition;
if (name) {
if (name.indexOf("slide") === 0) {
let direction = name.substr("slide".length) || "left"; //Extract the direction from the string
ensureSlideTransition();
transition = new slideTransition.SlideTransition(direction, navigationTransition.duration, navigationTransition.curve);
}
else if (name === "fade") {
ensureFadeTransition();
transition = new fadeTransition.FadeTransition(navigationTransition.duration, navigationTransition.curve);
}
else if (name.indexOf("flip") === 0) {
let direction = name.substr("flip".length) || "right"; //Extract the direction from the string
ensureFlipTransition();
transition = new flipTransition.FlipTransition(direction, navigationTransition.duration, navigationTransition.curve);
}
}
else {
transition = navigationTransition.instance; // User-defined instance of Transition
}
if (transition) {
let newExpandedFragment = <ExpandedFragment>newFragment;
newExpandedFragment.enterPopExitTransition = transition;
if (currentFragment) {
let currentExpandedFragment = <ExpandedFragment>currentFragment;
currentExpandedFragment.exitPopEnterTransition = transition;
}
fragmentTransaction.setCustomAnimations(enterFakeResourceId, exitFakeResourceId, popEnterFakeResourceId, popExitFakeResourceId);
}
}
_printTransitions(currentFragment);
_printTransitions(newFragment);
}
function _setUpNativeTransition(navigationTransition: NavigationTransition, nativeTransition: any/*android.transition.Transition*/) {
if (navigationTransition.duration) {
nativeTransition.setDuration(navigationTransition.duration);
}
if (navigationTransition.curve) {
let interpolator = _resolveAnimationCurve(navigationTransition.curve);
nativeTransition.setInterpolator(interpolator);
}
else {
nativeTransition.setInterpolator(_defaultInterpolator());
}
}
export function _onFragmentShown(fragment: any, isBack: boolean): void {
if (traceEnabled()) {
traceWrite(`_onFragmentShown(${fragment}, isBack: ${isBack})`, traceCategories.Transition);
}
let expandedFragment = <ExpandedFragment>fragment;
let transitionType = isBack ? "Pop Enter" : "Enter";
let relevantTransition = isBack ? expandedFragment.exitPopEnterTransition : expandedFragment.enterPopExitTransition;
if (relevantTransition) {
if (traceEnabled()) {
traceWrite(`${fragment} has been shown when going ${isBack ? "back" : "forward"}, but there is ${transitionType} ${relevantTransition}. Will complete page addition when transition ends.`, traceCategories.Transition);
}
expandedFragment.completePageAdditionWhenTransitionEnds = { isBack: isBack };
}
else if (_sdkVersion() >= 21) {
let nativeTransition = isBack ? (<any>fragment).getReenterTransition() : (<any>fragment).getEnterTransition();
if (nativeTransition) {
if (traceEnabled()) {
traceWrite(`${fragment} has been shown when going ${isBack ? "back" : "forward"}, but there is ${transitionType} ${nativeTransition.getClass().getSimpleName()} transition. Will complete page addition when transition ends.`, traceCategories.Transition);
}
expandedFragment.completePageAdditionWhenTransitionEnds = { isBack: isBack };
}
}
if (!expandedFragment.completePageAdditionWhenTransitionEnds) {
_completePageAddition(fragment, isBack);
}
}
export function _onFragmentHidden(fragment: any, isBack: boolean, destroyed: boolean) {
if (traceEnabled()) {
traceWrite(`_onFragmentHidden(${fragment}, isBack: ${isBack}, destroyed: ${destroyed})`, traceCategories.Transition);
}
let expandedFragment = <ExpandedFragment>fragment;
let transitionType = isBack ? "Pop Exit" : "Exit";
let relevantTransition = isBack ? expandedFragment.enterPopExitTransition : expandedFragment.exitPopEnterTransition;
if (relevantTransition) {
if (traceEnabled()) {
traceWrite(`${fragment} has been hidden when going ${isBack ? "back" : "forward"}, but there is ${transitionType} ${relevantTransition}. Will complete page removal when transition ends.`, traceCategories.Transition);
}
expandedFragment.completePageRemovalWhenTransitionEnds = { isBack: isBack };
}
else if (_sdkVersion() >= 21) {
let nativeTransition = isBack ? (<any>fragment).getReturnTransition() : (<any>fragment).getExitTransition();
if (nativeTransition) {
if (traceEnabled()) {
traceWrite(`${fragment} has been hidden when going ${isBack ? "back" : "forward"}, but there is ${transitionType} ${nativeTransition.getClass().getSimpleName()} transition. Will complete page removal when transition ends.`, traceCategories.Transition);
}
expandedFragment.completePageRemovalWhenTransitionEnds = { isBack: isBack };
}
}
expandedFragment.isDestroyed = destroyed;
if (expandedFragment.completePageRemovalWhenTransitionEnds === undefined) {
// This might be a second call if the fragment is hidden and then destroyed.
_completePageRemoval(fragment, isBack);
}
}
function _completePageAddition(fragment: any, isBack: boolean) {
let expandedFragment = <ExpandedFragment>fragment;
expandedFragment.completePageAdditionWhenTransitionEnds = undefined;
let frame = fragment._callbacks.frame;
let entry: BackstackEntry = fragment._callbacks.entry;
let page: Page = entry.resolvedPage;
if (traceEnabled()) {
traceWrite(`STARTING ADDITION of ${page}...`, traceCategories.Transition);
}
// The original code that was once in Frame onFragmentShown
frame._currentEntry = entry;
page.onNavigatedTo(isBack);
frame._processNavigationQueue(page);
entry.isNavigation = undefined;
if (traceEnabled()) {
traceWrite(`ADDITION of ${page} completed`, traceCategories.Transition);
}
}
function _completePageRemoval(fragment: any, isBack: boolean) {
let expandedFragment = <ExpandedFragment>fragment;
expandedFragment.completePageRemovalWhenTransitionEnds = undefined;
let frame = fragment._callbacks.frame;
let entry: BackstackEntry = fragment._callbacks.entry;
let page: Page = entry.resolvedPage;
if (traceEnabled()) {
traceWrite(`STARTING REMOVAL of ${page}...`, traceCategories.Transition);
}
if (page.frame) {
frame._removeView(page);
// This could be undefined if activity is destroyed (e.g. without actual navigation).
if (entry.isNavigation) {
page.onNavigatedFrom(isBack);
}
if (traceEnabled()) {
traceWrite(`REMOVAL of ${page} completed`, traceCategories.Transition);
}
}
else {
if (traceEnabled()) {
traceWrite(`REMOVAL of ${page} has already been done`, traceCategories.Transition);
}
}
if (expandedFragment.isDestroyed) {
expandedFragment.isDestroyed = undefined;
if (page._context) {
page._tearDownUI(true);
if (traceEnabled()) {
traceWrite(`DETACHMENT of ${page} completed`, traceCategories.Transition);
}
}
else {
if (traceEnabled()) {
traceWrite(`DETACHMENT of ${page} has already been done`, traceCategories.Transition);
}
_removePageNativeViewFromAndroidParent(page);
}
}
entry.isNavigation = undefined;
}
export function _removePageNativeViewFromAndroidParent(page: Page): void {
if (page.nativeView && page.nativeView.getParent) {
let androidParent = page.nativeView.getParent();
if (androidParent && androidParent.removeView) {
if (traceEnabled()) {
traceWrite(`REMOVED ${page}.nativeView from its Android parent`, traceCategories.Transition);
}
if (page._context) {
page._tearDownUI(true);
}
androidParent.removeView(page.nativeView);
}
}
}
function _toShortString(nativeTransition: any): string {
return `${nativeTransition.getClass().getSimpleName()}@${nativeTransition.hashCode().toString(16)}`;
}
function _addNativeTransitionListener(fragment: any, nativeTransition: any/*android.transition.Transition*/) {
let transitionListener = new (<any>android).transition.Transition.TransitionListener({
onTransitionCancel: function (transition: any): void {
let expandedFragment = this.fragment;
if (!expandedFragment) {
return;
}
if (traceEnabled()) {
traceWrite(`CANCEL ${_toShortString(transition)} transition for ${expandedFragment}`, traceCategories.Transition);
}
if (expandedFragment.completePageRemovalWhenTransitionEnds) {
_completePageRemoval(expandedFragment, expandedFragment.completePageRemovalWhenTransitionEnds.isBack);
}
if (expandedFragment.completePageAdditionWhenTransitionEnds) {
_completePageAddition(expandedFragment, expandedFragment.completePageAdditionWhenTransitionEnds.isBack);
}
this.checkedRemove();
},
onTransitionEnd: function (transition: any): void {
let expandedFragment = this.fragment;
if (!expandedFragment) {
return;
}
if (traceEnabled()) {
traceWrite(`END ${_toShortString(transition)} transition for ${expandedFragment}`, traceCategories.Transition);
}
if (expandedFragment.completePageRemovalWhenTransitionEnds) {
_completePageRemoval(expandedFragment, expandedFragment.completePageRemovalWhenTransitionEnds.isBack);
}
if (expandedFragment.completePageAdditionWhenTransitionEnds) {
_completePageAddition(expandedFragment, expandedFragment.completePageAdditionWhenTransitionEnds.isBack);
}
this.checkedRemove();
},
onTransitionPause: function (transition: any): void {
let expandedFragment = this.fragment;
if (traceEnabled()) {
traceWrite(`PAUSE ${_toShortString(transition)} transition for ${expandedFragment}`, traceCategories.Transition);
}
},
onTransitionResume: function (transition: any): void {
let expandedFragment = this.fragment;
if (traceEnabled()) {
traceWrite(`RESUME ${_toShortString(transition)} transition for ${expandedFragment}`, traceCategories.Transition);
}
},
onTransitionStart: function (transition: any): void {
let expandedFragment = this.fragment;
if (traceEnabled()) {
traceWrite(`START ${_toShortString(transition)} transition for ${expandedFragment}`, traceCategories.Transition);
}
}
});
transitionListener.fragment = fragment;
transitionListener.count = 2;
transitionListener.transition = nativeTransition;
transitionListener.listener = transitionListener;
transitionListener.checkedRemove = function () {
if (--this.count) {
return;
}
this.remove();
};
transitionListener.remove = function () {
if (!this.listener) {
return;
}
this.transition.removeListener(this.listener);
this.fragment = null;
this.listener = null;
this.transition.transitionListener = null;
this.transition = null;
};
nativeTransition.addListener(transitionListener);
nativeTransition.transitionListener = transitionListener;
}
export function _onFragmentCreateAnimator(fragment: ExpandedFragment, nextAnim: number): android.animation.Animator {
let transitionType: string;
switch (nextAnim) {
case enterFakeResourceId: transitionType = AndroidTransitionType.enter; break;
case exitFakeResourceId: transitionType = AndroidTransitionType.exit; break;
case popEnterFakeResourceId: transitionType = AndroidTransitionType.popEnter; break;
case popExitFakeResourceId: transitionType = AndroidTransitionType.popExit; break;
}
// Clear history hack.
if ((nextAnim === popExitFakeResourceId || !nextAnim) && fragment.exitHack) {
// fragment is the current fragment and was popped due to clear history.
// We have to simulate moving forward with the fragment's exit transition.
// nextAnim can be null if the transaction which brought us to the fragment
// was without a transition and setCustomAnimations was not called.
traceWrite(`HACK EXIT FOR ${fragment}`, traceCategories.Transition);
transitionType = AndroidTransitionType.exit;
}
let transition;
switch (transitionType) {
case AndroidTransitionType.enter:
case AndroidTransitionType.popExit:
transition = fragment.enterPopExitTransition;
break;
case AndroidTransitionType.exit:
case AndroidTransitionType.popEnter:
transition = fragment.exitPopEnterTransition;
break;
}
let animator: android.animation.Animator;
if (transition) {
animator = <android.animation.Animator>transition.createAndroidAnimator(transitionType);
traceWrite(`${transition}.createAndroidAnimator(${transitionType}): ${animator}`, traceCategories.Transition);
let transitionListener: any = new android.animation.Animator.AnimatorListener({
onAnimationStart: function (animator: android.animation.Animator): void {
if (traceEnabled()) {
traceWrite(`START ${transitionType} ${this.transition} for ${this.fragment}`, traceCategories.Transition);
}
},
onAnimationRepeat: function (animator: android.animation.Animator): void {
if (traceEnabled()) {
traceWrite(`REPEAT ${transitionType} ${this.transition} for ${this.fragment}`, traceCategories.Transition);
}
},
onAnimationEnd: function (animator: android.animation.Animator): void {
if (traceEnabled()) {
traceWrite(`END ${transitionType} ${this.transition} for ${this.fragment}`, traceCategories.Transition);
}
if (this.fragment.completePageRemovalWhenTransitionEnds) {
_completePageRemoval(this.fragment, this.fragment.completePageRemovalWhenTransitionEnds.isBack);
}
if (this.fragment.completePageAdditionWhenTransitionEnds) {
_completePageAddition(this.fragment, this.fragment.completePageAdditionWhenTransitionEnds.isBack);
}
this.checkedRemove();
},
onAnimationCancel: function (animator: android.animation.Animator): void {
if (traceEnabled()) {
traceWrite(`CANCEL ${transitionType} ${this.transition} for ${this.fragment}`, traceCategories.Transition);
}
if (this.fragment.completePageRemovalWhenTransitionEnds) {
_completePageRemoval(this.fragment, this.fragment.completePageRemovalWhenTransitionEnds.isBack);
}
if (this.fragment.completePageAdditionWhenTransitionEnds) {
_completePageAddition(this.fragment, this.fragment.completePageAdditionWhenTransitionEnds.isBack);
}
this.checkedRemove();
}
});
transitionListener.fragment = fragment;
transitionListener.transitionType = transitionType;
transitionListener.count = 2;
transitionListener.listener = transitionListener;
transitionListener.animator = animator;
transitionListener.checkedRemove = function () {
if (--this.count) {
return;
}
this.remove();
};
transitionListener.remove = function () {
if (!this.listener) {
return;
}
this.animator.removeListener(this.listener);
switch (this.transitionType) {
case AndroidTransitionType.enter:
case AndroidTransitionType.popExit:
this.fragment.enterPopExitTransitionListener = null;
break;
case AndroidTransitionType.exit:
case AndroidTransitionType.popEnter:
this.fragment.exitPopEnterTransitionListener = null;
break;
}
this.transitionType = null;
this.fragment = null;
this.listener = null;
this.animator.transitionListener = null;
this.animator = null;
this.transitionType = null;
};
(<any>animator).transitionListener = transitionListener;
animator.addListener(transitionListener);
switch (transitionType) {
case AndroidTransitionType.enter:
case AndroidTransitionType.popExit:
fragment.enterPopExitTransitionListener = transitionListener;
break;
case AndroidTransitionType.exit:
case AndroidTransitionType.popEnter:
fragment.exitPopEnterTransitionListener = transitionListener;
break;
}
}
if (transitionType && !animator) {
// Happens when the transaction has setCustomAnimations, but we have cleared the transitions because of CLEARING_HISTORY
animator = _createDummyZeroDurationAnimator();
}
return animator;
}
export function _prepareCurrentFragmentForClearHistory(fragment: any): void {
traceWrite(`Preparing ${fragment} transitions fro clear history...`, traceCategories.Transition);
let expandedFragment = <ExpandedFragment>fragment;
expandedFragment.exitHack = true;
if (_sdkVersion() >= 21) {
let exitTransition = fragment.getExitTransition();
fragment.setReturnTransition(exitTransition);
}
_printTransitions(fragment);
}
let intEvaluator: android.animation.IntEvaluator;
function ensureIntEvaluator() {
if (!intEvaluator) {
intEvaluator = new android.animation.IntEvaluator();
}
}
function _createDummyZeroDurationAnimator(): android.animation.Animator {
if (traceEnabled()) {
traceWrite(`_createDummyZeroDurationAnimator()`, traceCategories.Transition);
}
ensureIntEvaluator();
let nativeArray = (<any>Array).create(java.lang.Object, 2);
nativeArray[0] = java.lang.Integer.valueOf(0);
nativeArray[1] = java.lang.Integer.valueOf(1);
let animator = android.animation.ValueAnimator.ofObject(intEvaluator, nativeArray);
animator.setDuration(0);
return animator;
}
function _printTransitions(f: any) {
if (f && traceEnabled) {
let ef = <ExpandedFragment>f;
let result = `${ef} Transitions:`;
result += `${ef.enterPopExitTransition ? " enterPopExit=" + ef.enterPopExitTransition : ""}`;
result += `${ef.exitPopEnterTransition ? " exitPopEnter=" + ef.exitPopEnterTransition : ""}`;
if (_sdkVersion() >= 21) {
result += `${f.getEnterTransition() ? " enter=" + _toShortString(f.getEnterTransition()) : ""}`;
result += `${f.getExitTransition() ? " exit=" + _toShortString(f.getExitTransition()) : ""}`;
result += `${f.getReenterTransition() ? " popEnter=" + _toShortString(f.getReenterTransition()) : ""}`;
result += `${f.getReturnTransition() ? " popExit=" + _toShortString(f.getReturnTransition()) : ""}`;
}
traceWrite(result, traceCategories.Transition);
}
}
export class Transition implements TransitionDefinition {
private _duration: number;
private _interpolator: android.view.animation.Interpolator;
private _id: number;
private static transitionId = 0;
constructor(duration: number, curve: any) {
this._duration = duration;
if (curve) {
this._interpolator = _resolveAnimationCurve(curve);
}
else {
this._interpolator = _defaultInterpolator();
}
this._id = Transition.transitionId++;
}
public getDuration(): number {
return this._duration;
}
public getCurve(): android.view.animation.Interpolator {
return this._interpolator;
}
public animateIOSTransition(containerView: any, fromView: any, toView: any, operation: any, completion: (finished: boolean) => void): void {
throw new Error("Abstract method call");
}
public createAndroidAnimator(transitionType: string): android.animation.Animator {
throw new Error("Abstract method call");
}
public toString(): string {
return `${getClass(this)}@${this._id}`;
}
}