public boolean presentFragment(
final BaseFragment fragment,
final boolean removeLast,
boolean forceWithoutAnimation,
boolean check) {
if (checkTransitionAnimation()
|| delegate != null
&& check
&& !delegate.needPresentFragment(fragment, removeLast, forceWithoutAnimation, this)
|| !fragment.onFragmentCreate()) {
return false;
}
if (parentActivity.getCurrentFocus() != null) {
AndroidUtilities.hideKeyboard(parentActivity.getCurrentFocus());
NotificationCenter.getInstance().postNotificationName(NotificationCenter.hideEmojiKeyboard);
}
boolean needAnimation =
Build.VERSION.SDK_INT > 10
&& !forceWithoutAnimation
&& parentActivity
.getSharedPreferences("mainconfig", Activity.MODE_PRIVATE)
.getBoolean("view_animations", true);
final BaseFragment currentFragment =
!fragmentsStack.isEmpty() ? fragmentsStack.get(fragmentsStack.size() - 1) : null;
fragment.setParentLayout(this);
View fragmentView = fragment.createView(parentActivity.getLayoutInflater());
if (fragment.needAddActionBar() && fragment.actionBar != null) {
if (removeActionBarExtraHeight) {
fragment.actionBar.setOccupyStatusBar(false);
}
ViewGroup parent = (ViewGroup) fragment.actionBar.getParent();
if (parent != null) {
parent.removeView(fragment.actionBar);
}
containerViewBack.addView(fragment.actionBar);
fragment.actionBar.setTitleOverlayText(titleOverlayText);
}
containerViewBack.addView(fragmentView);
ViewGroup.LayoutParams layoutParams = fragmentView.getLayoutParams();
layoutParams.width = FrameLayout.LayoutParams.MATCH_PARENT;
layoutParams.height = FrameLayout.LayoutParams.MATCH_PARENT;
fragmentView.setLayoutParams(layoutParams);
fragmentsStack.add(fragment);
fragment.onResume();
currentActionBar = fragment.actionBar;
if (fragmentView.getBackground() == null) {
fragmentView.setBackgroundColor(0xffffffff);
}
LinearLayoutContainer temp = containerView;
containerView = containerViewBack;
containerViewBack = temp;
containerView.setVisibility(View.VISIBLE);
setInnerTranslationX(0);
bringChildToFront(containerView);
if (!needAnimation) {
presentFragmentInternalRemoveOld(removeLast, currentFragment);
if (backgroundView != null) {
backgroundView.setVisibility(VISIBLE);
}
}
if (needAnimation) {
if (useAlphaAnimations && fragmentsStack.size() == 1) {
presentFragmentInternalRemoveOld(removeLast, currentFragment);
ArrayList<Object> animators = new ArrayList<>();
animators.add(ObjectAnimatorProxy.ofFloat(this, "alpha", 0.0f, 1.0f));
if (backgroundView != null) {
backgroundView.setVisibility(VISIBLE);
animators.add(ObjectAnimatorProxy.ofFloat(backgroundView, "alpha", 0.0f, 1.0f));
}
currentAnimation = new AnimatorSetProxy();
currentAnimation.playTogether(animators);
currentAnimation.setInterpolator(new AccelerateDecelerateInterpolator());
currentAnimation.setDuration(200);
currentAnimation.addListener(
new AnimatorListenerAdapterProxy() {
@Override
public void onAnimationEnd(Object animation) {
onAnimationEndCheck(false);
}
@Override
public void onAnimationCancel(Object animation) {
onAnimationEndCheck(false);
}
});
currentAnimation.start();
} else {
transitionAnimationStartTime = System.currentTimeMillis();
transitionAnimationInProgress = true;
onOpenAnimationEndRunnable =
new Runnable() {
@Override
public void run() {
presentFragmentInternalRemoveOld(removeLast, currentFragment);
fragment.onOpenAnimationEnd();
ViewProxy.setTranslationX(containerView, 0);
}
};
ViewProxy.setAlpha(containerView, 0.0f);
ViewProxy.setTranslationX(containerView, 48.0f);
currentAnimation = new AnimatorSetProxy();
currentAnimation.playTogether(
ObjectAnimatorProxy.ofFloat(containerView, "alpha", 0.0f, 1.0f),
ObjectAnimatorProxy.ofFloat(containerView, "translationX", AndroidUtilities.dp(48), 0));
currentAnimation.setInterpolator(new DecelerateInterpolator(1.5f));
currentAnimation.setDuration(200);
currentAnimation.addListener(
new AnimatorListenerAdapterProxy() {
@Override
public void onAnimationStart(Object animation) {
transitionAnimationStartTime = System.currentTimeMillis();
}
@Override
public void onAnimationEnd(Object animation) {
onAnimationEndCheck(false);
}
@Override
public void onAnimationCancel(Object animation) {
onAnimationEndCheck(false);
}
});
currentAnimation.start();
}
} else {
if (backgroundView != null) {
ViewProxy.setAlpha(backgroundView, 1.0f);
backgroundView.setVisibility(VISIBLE);
}
fragment.onOpenAnimationEnd();
}
return true;
}
public void closeLastFragment(boolean animated) {
if (delegate != null && !delegate.needCloseLastFragment(this)
|| checkTransitionAnimation()
|| fragmentsStack.isEmpty()) {
return;
}
if (parentActivity.getCurrentFocus() != null) {
AndroidUtilities.hideKeyboard(parentActivity.getCurrentFocus());
}
setInnerTranslationX(0);
boolean needAnimation =
Build.VERSION.SDK_INT > 10
&& animated
&& parentActivity
.getSharedPreferences("mainconfig", Activity.MODE_PRIVATE)
.getBoolean("view_animations", true);
final BaseFragment currentFragment = fragmentsStack.get(fragmentsStack.size() - 1);
BaseFragment previousFragment = null;
if (fragmentsStack.size() > 1) {
previousFragment = fragmentsStack.get(fragmentsStack.size() - 2);
}
if (previousFragment != null) {
LinearLayoutContainer temp = containerView;
containerView = containerViewBack;
containerViewBack = temp;
containerView.setVisibility(View.VISIBLE);
previousFragment.setParentLayout(this);
View fragmentView = previousFragment.createView(parentActivity.getLayoutInflater());
if (previousFragment.needAddActionBar() && previousFragment.actionBar != null) {
if (removeActionBarExtraHeight) {
previousFragment.actionBar.setOccupyStatusBar(false);
}
ViewGroup parent = (ViewGroup) previousFragment.actionBar.getParent();
if (parent != null) {
parent.removeView(previousFragment.actionBar);
}
containerView.addView(previousFragment.actionBar);
previousFragment.actionBar.setTitleOverlayText(titleOverlayText);
}
containerView.addView(fragmentView);
ViewGroup.LayoutParams layoutParams = fragmentView.getLayoutParams();
layoutParams.width = FrameLayout.LayoutParams.MATCH_PARENT;
layoutParams.height = FrameLayout.LayoutParams.MATCH_PARENT;
fragmentView.setLayoutParams(layoutParams);
previousFragment.onResume();
currentActionBar = previousFragment.actionBar;
if (fragmentView.getBackground() == null) {
fragmentView.setBackgroundColor(0xffffffff);
}
if (!needAnimation) {
closeLastFragmentInternalRemoveOld(currentFragment);
}
if (needAnimation) {
transitionAnimationStartTime = System.currentTimeMillis();
transitionAnimationInProgress = true;
onCloseAnimationEndRunnable =
new Runnable() {
@Override
public void run() {
closeLastFragmentInternalRemoveOld(currentFragment);
ViewProxy.setTranslationX(containerViewBack, 0);
}
};
currentAnimation = new AnimatorSetProxy();
currentAnimation.playTogether(
ObjectAnimatorProxy.ofFloat(containerViewBack, "alpha", 1.0f, 0.0f),
ObjectAnimatorProxy.ofFloat(
containerViewBack, "translationX", 0, AndroidUtilities.dp(48)));
currentAnimation.setInterpolator(new DecelerateInterpolator(1.5f));
currentAnimation.setDuration(200);
currentAnimation.addListener(
new AnimatorListenerAdapterProxy() {
@Override
public void onAnimationStart(Object animation) {
transitionAnimationStartTime = System.currentTimeMillis();
}
@Override
public void onAnimationEnd(Object animation) {
onAnimationEndCheck(false);
}
@Override
public void onAnimationCancel(Object animation) {
onAnimationEndCheck(false);
}
});
currentAnimation.start();
}
} else {
if (useAlphaAnimations) {
transitionAnimationStartTime = System.currentTimeMillis();
transitionAnimationInProgress = true;
onCloseAnimationEndRunnable =
new Runnable() {
@Override
public void run() {
removeFragmentFromStack(currentFragment);
setVisibility(GONE);
if (backgroundView != null) {
backgroundView.setVisibility(GONE);
}
if (drawerLayoutContainer != null) {
drawerLayoutContainer.setAllowOpenDrawer(true);
}
}
};
ArrayList<Object> animators = new ArrayList<>();
animators.add(ObjectAnimatorProxy.ofFloat(this, "alpha", 1.0f, 0.0f));
if (backgroundView != null) {
animators.add(ObjectAnimatorProxy.ofFloat(backgroundView, "alpha", 1.0f, 0.0f));
}
currentAnimation = new AnimatorSetProxy();
currentAnimation.playTogether(animators);
currentAnimation.setInterpolator(new AccelerateDecelerateInterpolator());
currentAnimation.setDuration(200);
currentAnimation.addListener(
new AnimatorListenerAdapterProxy() {
@Override
public void onAnimationStart(Object animation) {
transitionAnimationStartTime = System.currentTimeMillis();
}
@Override
public void onAnimationEnd(Object animation) {
onAnimationEndCheck(false);
}
@Override
public void onAnimationCancel(Object animation) {
onAnimationEndCheck(false);
}
});
currentAnimation.start();
} else {
removeFragmentFromStack(currentFragment);
setVisibility(GONE);
if (backgroundView != null) {
backgroundView.setVisibility(GONE);
}
}
}
}
public boolean onTouchEvent(MotionEvent ev) {
if (!checkTransitionAnimation() && !inActionMode && !animationInProgress) {
if (fragmentsStack.size() > 1) {
if (ev != null
&& ev.getAction() == MotionEvent.ACTION_DOWN
&& !startedTracking
&& !maybeStartTracking) {
BaseFragment currentFragment = fragmentsStack.get(fragmentsStack.size() - 1);
if (!currentFragment.swipeBackEnabled) {
return false;
}
startedTrackingPointerId = ev.getPointerId(0);
maybeStartTracking = true;
startedTrackingX = (int) ev.getX();
startedTrackingY = (int) ev.getY();
if (velocityTracker != null) {
velocityTracker.clear();
}
} else if (ev != null
&& ev.getAction() == MotionEvent.ACTION_MOVE
&& ev.getPointerId(0) == startedTrackingPointerId) {
if (velocityTracker == null) {
velocityTracker = VelocityTracker.obtain();
}
int dx = Math.max(0, (int) (ev.getX() - startedTrackingX));
int dy = Math.abs((int) ev.getY() - startedTrackingY);
velocityTracker.addMovement(ev);
if (maybeStartTracking
&& !startedTracking
&& dx >= AndroidUtilities.dp(10)
&& Math.abs(dx) / 3 > dy) {
prepareForMoving(ev);
} else if (startedTracking) {
if (!beginTrackingSent) {
if (parentActivity.getCurrentFocus() != null) {
AndroidUtilities.hideKeyboard(parentActivity.getCurrentFocus());
}
BaseFragment currentFragment = fragmentsStack.get(fragmentsStack.size() - 1);
currentFragment.onBeginSlide();
beginTrackingSent = true;
}
ViewProxy.setTranslationX(containerView, dx);
setInnerTranslationX(dx);
}
} else if (ev != null
&& ev.getPointerId(0) == startedTrackingPointerId
&& (ev.getAction() == MotionEvent.ACTION_CANCEL
|| ev.getAction() == MotionEvent.ACTION_UP
|| ev.getAction() == MotionEvent.ACTION_POINTER_UP)) {
if (velocityTracker == null) {
velocityTracker = VelocityTracker.obtain();
}
velocityTracker.computeCurrentVelocity(1000);
if (!startedTracking) {
float velX = velocityTracker.getXVelocity();
float velY = velocityTracker.getYVelocity();
if (velX >= 3500 && velX > velY) {
prepareForMoving(ev);
if (!beginTrackingSent) {
if (((Activity) getContext()).getCurrentFocus() != null) {
AndroidUtilities.hideKeyboard(((Activity) getContext()).getCurrentFocus());
}
beginTrackingSent = true;
}
}
}
if (startedTracking) {
float x = ViewProxy.getX(containerView);
AnimatorSetProxy animatorSet = new AnimatorSetProxy();
float velX = velocityTracker.getXVelocity();
float velY = velocityTracker.getYVelocity();
final boolean backAnimation =
x < containerView.getMeasuredWidth() / 3.0f && (velX < 3500 || velX < velY);
float distToMove = 0;
if (!backAnimation) {
distToMove = containerView.getMeasuredWidth() - x;
animatorSet.playTogether(
ObjectAnimatorProxy.ofFloat(containerView, "x", containerView.getMeasuredWidth()),
ObjectAnimatorProxy.ofFloat(
this, "innerTranslationX", (float) containerView.getMeasuredWidth()));
} else {
distToMove = x;
animatorSet.playTogether(
ObjectAnimatorProxy.ofFloat(containerView, "x", 0),
ObjectAnimatorProxy.ofFloat(this, "innerTranslationX", 0.0f));
}
animatorSet.setDuration(
Math.max((int) (200.0f / containerView.getMeasuredWidth() * distToMove), 50));
animatorSet.addListener(
new AnimatorListenerAdapterProxy() {
@Override
public void onAnimationEnd(Object animator) {
onSlideAnimationEnd(backAnimation);
}
@Override
public void onAnimationCancel(Object animator) {
onSlideAnimationEnd(backAnimation);
}
});
animatorSet.start();
animationInProgress = true;
} else {
maybeStartTracking = false;
startedTracking = false;
}
if (velocityTracker != null) {
velocityTracker.recycle();
velocityTracker = null;
}
} else if (ev == null) {
maybeStartTracking = false;
startedTracking = false;
if (velocityTracker != null) {
velocityTracker.recycle();
velocityTracker = null;
}
}
}
return startedTracking;
}
return false;
}