NekoX/TMessagesProj/src/main/java/org/telegram/ui/Components/ViewPagerFixed.java

1442 lines
58 KiB
Java

package org.telegram.ui.Components;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.GradientDrawable;
import android.os.SystemClock;
import android.text.Layout;
import android.text.StaticLayout;
import android.text.TextPaint;
import android.text.TextUtils;
import android.util.SparseArray;
import android.util.SparseIntArray;
import android.view.MotionEvent;
import android.view.VelocityTracker;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.view.accessibility.AccessibilityNodeInfo;
import android.view.animation.Interpolator;
import android.widget.FrameLayout;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.core.graphics.ColorUtils;
import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
import androidx.recyclerview.widget.DefaultItemAnimator;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.LinearSmoothScroller;
import androidx.recyclerview.widget.RecyclerView;
import org.telegram.messenger.AndroidUtilities;
import org.telegram.messenger.Emoji;
import org.telegram.messenger.MessagesController;
import org.telegram.messenger.MessagesStorage;
import org.telegram.messenger.UserConfig;
import org.telegram.tgnet.ConnectionsManager;
import org.telegram.tgnet.TLRPC;
import org.telegram.ui.ActionBar.Theme;
import java.util.ArrayList;
public class ViewPagerFixed extends FrameLayout {
int currentPosition;
int nextPosition;
private View viewPages[];
private int viewTypes[];
protected SparseArray<View> viewsByType = new SparseArray<>();
private int startedTrackingPointerId;
private int startedTrackingX;
private int startedTrackingY;
private VelocityTracker velocityTracker;
private AnimatorSet tabsAnimation;
private boolean tabsAnimationInProgress;
private boolean animatingForward;
private float additionalOffset;
private boolean backAnimation;
private int maximumVelocity;
private boolean startedTracking;
private boolean maybeStartTracking;
private static final Interpolator interpolator = t -> {
--t;
return t * t * t * t * t + 1.0F;
};
private final float touchSlop;
private Adapter adapter;
TabsView tabsView;
ValueAnimator.AnimatorUpdateListener updateTabProgress = new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
if (tabsAnimationInProgress) {
float scrollProgress = Math.abs(viewPages[0].getTranslationX()) / (float) viewPages[0].getMeasuredWidth();
if (tabsView != null) {
tabsView.selectTab(nextPosition, currentPosition, 1f - scrollProgress);
}
}
}
};
private Rect rect = new Rect();
public ViewPagerFixed(@NonNull Context context) {
super(context);
touchSlop = AndroidUtilities.getPixelsInCM(0.3f, true);
maximumVelocity = ViewConfiguration.get(context).getScaledMaximumFlingVelocity();
viewTypes = new int[2];
viewPages = new View[2];
setClipChildren(true);
}
public void setAdapter(Adapter adapter) {
this.adapter = adapter;
viewTypes[0] = adapter.getItemViewType(currentPosition);
viewPages[0] = adapter.createView(viewTypes[0]);
adapter.bindView(viewPages[0], currentPosition, viewTypes[0]);
addView(viewPages[0]);
viewPages[0].setVisibility(View.VISIBLE);
fillTabs();
}
public TabsView createTabsView() {
tabsView = new TabsView(getContext());
tabsView.setDelegate(new TabsView.TabsViewDelegate() {
@Override
public void onPageSelected(int page, boolean forward) {
animatingForward = forward;
nextPosition = page;
updateViewForIndex(1);
if (forward) {
viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth());
} else {
viewPages[1].setTranslationX(-viewPages[0].getMeasuredWidth());
}
}
@Override
public void onPageScrolled(float progress) {
if (progress == 1f) {
if (viewPages[1] != null) {
swapViews();
viewsByType.put(viewTypes[1], viewPages[1]);
removeView(viewPages[1]);
viewPages[0].setTranslationX(0);
viewPages[1] = null;
}
return;
}
if (viewPages[1] == null) {
return;
}
if (animatingForward) {
viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth() * (1f - progress));
viewPages[0].setTranslationX(-viewPages[0].getMeasuredWidth() * progress);
} else {
viewPages[1].setTranslationX(-viewPages[0].getMeasuredWidth() * (1f - progress));
viewPages[0].setTranslationX(viewPages[0].getMeasuredWidth() * progress);
}
}
@Override
public void onSamePageSelected() {
}
@Override
public boolean canPerformActions() {
return !tabsAnimationInProgress && !startedTracking;
}
});
fillTabs();
return tabsView;
}
private void updateViewForIndex(int index) {
int adapterPosition = index == 0 ? currentPosition : nextPosition;
if (viewPages[index] == null) {
viewTypes[index] = adapter.getItemViewType(adapterPosition);
View v = viewsByType.get(viewTypes[index]);
if (v == null) {
v = adapter.createView(viewTypes[index]);
} else {
viewsByType.remove(viewTypes[index]);
}
if (v.getParent() != null) {
ViewGroup parent = (ViewGroup) v.getParent();
parent.removeView(v);
}
addView(v);
viewPages[index] = v;
adapter.bindView(viewPages[index], adapterPosition, viewTypes[index]);
viewPages[index].setVisibility(View.VISIBLE);
} else {
if (viewTypes[index] == adapter.getItemViewType(adapterPosition)) {
adapter.bindView(viewPages[index], adapterPosition, viewTypes[index]);
viewPages[index].setVisibility(View.VISIBLE);
} else {
viewsByType.put(viewTypes[index], viewPages[index]);
viewPages[index].setVisibility(View.GONE);
removeView(viewPages[index]);
viewTypes[index] = adapter.getItemViewType(adapterPosition);
View v = viewsByType.get(viewTypes[index]);
if (v == null) {
v = adapter.createView(viewTypes[index]);
} else {
viewsByType.remove(viewTypes[index]);
}
addView(v);
viewPages[index] = v;
viewPages[index].setVisibility(View.VISIBLE);
adapter.bindView(viewPages[index], adapterPosition, adapter.getItemViewType(adapterPosition));
}
}
}
private void fillTabs() {
if (adapter != null && tabsView != null) {
tabsView.removeTabs();
for (int i = 0; i < adapter.getItemCount(); i++) {
tabsView.addTab(adapter.getItemId(i), adapter.getItemTitle(i));
}
}
}
private boolean prepareForMoving(MotionEvent ev, boolean forward) {
if ((!forward && currentPosition == 0) || (forward && currentPosition == adapter.getItemCount() - 1)) {
return false;
}
getParent().requestDisallowInterceptTouchEvent(true);
maybeStartTracking = false;
startedTracking = true;
startedTrackingX = (int) (ev.getX() + additionalOffset);
if (tabsView != null) {
tabsView.setEnabled(false);
}
animatingForward = forward;
nextPosition = currentPosition + (forward ? 1 : -1);
updateViewForIndex(1);
if (forward) {
viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth());
} else {
viewPages[1].setTranslationX(-viewPages[0].getMeasuredWidth());
}
return true;
}
public boolean onInterceptTouchEvent(MotionEvent ev) {
if (tabsView != null && tabsView.isAnimatingIndicator()) {
return false;
}
if (checkTabsAnimationInProgress()) {
return true;
}
onTouchEvent(ev);
return startedTracking;
}
@Override
public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) {
if (maybeStartTracking && !startedTracking) {
onTouchEvent(null);
}
super.requestDisallowInterceptTouchEvent(disallowIntercept);
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (tabsView != null && tabsView.animatingIndicator) {
return false;
}
if (ev != null) {
if (velocityTracker == null) {
velocityTracker = VelocityTracker.obtain();
}
velocityTracker.addMovement(ev);
}
if (ev != null && ev.getAction() == MotionEvent.ACTION_DOWN && checkTabsAnimationInProgress()) {
startedTracking = true;
startedTrackingPointerId = ev.getPointerId(0);
startedTrackingX = (int) ev.getX();
if (animatingForward) {
if (startedTrackingX < viewPages[0].getMeasuredWidth() + viewPages[0].getTranslationX()) {
additionalOffset = viewPages[0].getTranslationX();
} else {
swapViews();
animatingForward = false;
additionalOffset = viewPages[0].getTranslationX();
}
} else {
if (startedTrackingX < viewPages[1].getMeasuredWidth() + viewPages[1].getTranslationX()) {
swapViews();
animatingForward = true;
additionalOffset = viewPages[0].getTranslationX();
} else {
additionalOffset = viewPages[0].getTranslationX();
}
}
tabsAnimation.removeAllListeners();
tabsAnimation.cancel();
tabsAnimationInProgress = false;
} else if (ev != null && ev.getAction() == MotionEvent.ACTION_DOWN) {
additionalOffset = 0;
}
if (!startedTracking && ev != null) {
View child = findScrollingChild(this, ev.getX(), ev.getY());
if (child != null && (child.canScrollHorizontally(1) || child.canScrollHorizontally(-1))) {
return false;
}
}
if (ev != null && ev.getAction() == MotionEvent.ACTION_DOWN && !startedTracking && !maybeStartTracking) {
startedTrackingPointerId = ev.getPointerId(0);
maybeStartTracking = true;
startedTrackingX = (int) ev.getX();
startedTrackingY = (int) ev.getY();
} else if (ev != null && ev.getAction() == MotionEvent.ACTION_MOVE && ev.getPointerId(0) == startedTrackingPointerId) {
int dx = (int) (ev.getX() - startedTrackingX + additionalOffset);
int dy = Math.abs((int) ev.getY() - startedTrackingY);
if (startedTracking && (animatingForward && dx > 0 || !animatingForward && dx < 0)) {
if (!prepareForMoving(ev, dx < 0)) {
maybeStartTracking = true;
startedTracking = false;
viewPages[0].setTranslationX(0);
viewPages[1].setTranslationX(animatingForward ? viewPages[0].getMeasuredWidth() : -viewPages[0].getMeasuredWidth());
if (tabsView != null) {
tabsView.selectTab(currentPosition, 0, 0);
}
}
}
if (maybeStartTracking && !startedTracking) {
int dxLocal = (int) (ev.getX() - startedTrackingX);
if (Math.abs(dxLocal) >= touchSlop && Math.abs(dxLocal) > dy) {
prepareForMoving(ev, dx < 0);
}
} else if (startedTracking) {
viewPages[0].setTranslationX(dx);
if (animatingForward) {
viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth() + dx);
} else {
viewPages[1].setTranslationX(dx - viewPages[0].getMeasuredWidth());
}
float scrollProgress = Math.abs(dx) / (float) viewPages[0].getMeasuredWidth();
if (tabsView != null) {
tabsView.selectTab(nextPosition, currentPosition, 1f - scrollProgress);
}
}
} else if (ev == null || ev.getPointerId(0) == startedTrackingPointerId && (ev.getAction() == MotionEvent.ACTION_CANCEL || ev.getAction() == MotionEvent.ACTION_UP || ev.getAction() == MotionEvent.ACTION_POINTER_UP)) {
velocityTracker.computeCurrentVelocity(1000, maximumVelocity);
float velX;
float velY;
if (ev != null && ev.getAction() != MotionEvent.ACTION_CANCEL) {
velX = velocityTracker.getXVelocity();
velY = velocityTracker.getYVelocity();
if (!startedTracking) {
if (Math.abs(velX) >= 3000 && Math.abs(velX) > Math.abs(velY)) {
prepareForMoving(ev, velX < 0);
}
}
} else {
velX = 0;
velY = 0;
}
if (startedTracking) {
float x = viewPages[0].getX();
tabsAnimation = new AnimatorSet();
if (additionalOffset != 0) {
if (Math.abs(velX) > 1500) {
backAnimation = animatingForward ? velX > 0 : velX < 0;
} else {
if (animatingForward) {
backAnimation = (viewPages[1].getX() > (viewPages[0].getMeasuredWidth() >> 1));
} else {
backAnimation = (viewPages[0].getX() < (viewPages[0].getMeasuredWidth() >> 1));
}
}
} else {
backAnimation = Math.abs(x) < viewPages[0].getMeasuredWidth() / 3.0f && (Math.abs(velX) < 3500 || Math.abs(velX) < Math.abs(velY));
}
float distToMove;
float dx;
if (backAnimation) {
dx = Math.abs(x);
if (animatingForward) {
tabsAnimation.playTogether(
ObjectAnimator.ofFloat(viewPages[0], View.TRANSLATION_X, 0),
ObjectAnimator.ofFloat(viewPages[1], View.TRANSLATION_X, viewPages[1].getMeasuredWidth())
);
} else {
tabsAnimation.playTogether(
ObjectAnimator.ofFloat(viewPages[0], View.TRANSLATION_X, 0),
ObjectAnimator.ofFloat(viewPages[1], View.TRANSLATION_X, -viewPages[1].getMeasuredWidth())
);
}
} else {
dx = viewPages[0].getMeasuredWidth() - Math.abs(x);
if (animatingForward) {
tabsAnimation.playTogether(
ObjectAnimator.ofFloat(viewPages[0], View.TRANSLATION_X, -viewPages[0].getMeasuredWidth()),
ObjectAnimator.ofFloat(viewPages[1], View.TRANSLATION_X, 0)
);
} else {
tabsAnimation.playTogether(
ObjectAnimator.ofFloat(viewPages[0], View.TRANSLATION_X, viewPages[0].getMeasuredWidth()),
ObjectAnimator.ofFloat(viewPages[1], View.TRANSLATION_X, 0)
);
}
}
ValueAnimator animator = ValueAnimator.ofFloat(0,1f);
animator.addUpdateListener(updateTabProgress);
tabsAnimation.playTogether(animator);
tabsAnimation.setInterpolator(interpolator);
int width = getMeasuredWidth();
int halfWidth = width / 2;
float distanceRatio = Math.min(1.0f, 1.0f * dx / (float) width);
float distance = (float) halfWidth + (float) halfWidth * distanceInfluenceForSnapDuration(distanceRatio);
velX = Math.abs(velX);
int duration;
if (velX > 0) {
duration = 4 * Math.round(1000.0f * Math.abs(distance / velX));
} else {
float pageDelta = dx / getMeasuredWidth();
duration = (int) ((pageDelta + 1.0f) * 100.0f);
}
duration = Math.max(150, Math.min(duration, 600));
tabsAnimation.setDuration(duration);
tabsAnimation.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animator) {
tabsAnimation = null;
if (viewPages[1] != null) {
if (!backAnimation) {
swapViews();
}
viewsByType.put(viewTypes[1], viewPages[1]);
removeView(viewPages[1]);
viewPages[1].setVisibility(View.GONE);
viewPages[1] = null;
}
tabsAnimationInProgress = false;
maybeStartTracking = false;
if (tabsView != null) {
tabsView.setEnabled(true);
}
}
});
tabsAnimation.start();
tabsAnimationInProgress = true;
startedTracking = false;
} else {
maybeStartTracking = false;
if (tabsView != null) {
tabsView.setEnabled(true);
}
}
if (velocityTracker != null) {
velocityTracker.recycle();
velocityTracker = null;
}
}
return startedTracking || maybeStartTracking;
}
private void swapViews() {
View page = viewPages[0];
viewPages[0] = viewPages[1];
viewPages[1] = page;
int p = currentPosition;
currentPosition = nextPosition;
nextPosition = p;
p = viewTypes[0];
viewTypes[0] = viewTypes[1];
viewTypes[1] = p;
onItemSelected(viewPages[0], viewPages[1], currentPosition, nextPosition);
}
public boolean checkTabsAnimationInProgress() {
if (tabsAnimationInProgress) {
boolean cancel = false;
if (backAnimation) {
if (Math.abs(viewPages[0].getTranslationX()) < 1) {
viewPages[0].setTranslationX(0);
viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth() * (animatingForward ? 1 : -1));
cancel = true;
}
} else if (Math.abs(viewPages[1].getTranslationX()) < 1) {
viewPages[0].setTranslationX(viewPages[0].getMeasuredWidth() * (animatingForward ? -1 : 1));
viewPages[1].setTranslationX(0);
cancel = true;
}
if (cancel) {
//showScrollbars(true);
if (tabsAnimation != null) {
tabsAnimation.cancel();
tabsAnimation = null;
}
tabsAnimationInProgress = false;
}
return tabsAnimationInProgress;
}
return false;
}
public static float distanceInfluenceForSnapDuration(float f) {
f -= 0.5F;
f *= 0.47123894F;
return (float) Math.sin(f);
}
public void setPosition(int position) {
if (tabsAnimation != null) {
tabsAnimation.cancel();
}
if (viewPages[1] != null) {
viewsByType.put(viewTypes[1], viewPages[1]);
removeView(viewPages[1]);
viewPages[1] = null;
}
if (currentPosition != position) {
int oldPosition = currentPosition;
currentPosition = position;
View oldView = viewPages[0];
updateViewForIndex(0);
onItemSelected(viewPages[0], oldView, currentPosition, oldPosition);
viewPages[0].setTranslationX(0);
if (tabsView != null) {
tabsView.selectTab(position, 0, 1f);
}
}
}
protected void onItemSelected(View currentPage, View oldPage, int position, int oldPosition) {
}
public abstract static class Adapter {
public abstract int getItemCount();
public abstract View createView(int viewType);
public abstract void bindView(View view, int position, int viewType);
public int getItemId(int position) {
return position;
}
public String getItemTitle(int position) {
return "";
}
public int getItemViewType(int position) {
return 0;
}
}
@Override
public boolean canScrollHorizontally(int direction) {
if (direction == 0) {
return false;
}
if (tabsAnimationInProgress || startedTracking) {
return true;
}
boolean forward = direction > 0;
if ((!forward && currentPosition == 0) || (forward && currentPosition == adapter.getItemCount() - 1)) {
return false;
}
return true;
}
public View getCurrentView() {
return viewPages[0];
}
public int getCurrentPosition() {
return currentPosition;
}
public static class TabsView extends FrameLayout {
public interface TabsViewDelegate {
void onPageSelected(int page, boolean forward);
void onPageScrolled(float progress);
void onSamePageSelected();
boolean canPerformActions();
}
private static class Tab {
public int id;
public String title;
public int titleWidth;
public int counter;
public Tab(int i, String t) {
id = i;
title = t;
}
public int getWidth(boolean store, TextPaint textPaint) {
int width = titleWidth = (int) Math.ceil(textPaint.measureText(title));
return Math.max(AndroidUtilities.dp(40), width);
}
public boolean setTitle(String newTitle) {
if (TextUtils.equals(title, newTitle)) {
return false;
}
title = newTitle;
return true;
}
}
public class TabView extends View {
private Tab currentTab;
private int textHeight;
private int tabWidth;
private int currentPosition;
private RectF rect = new RectF();
private String currentText;
private StaticLayout textLayout;
private int textOffsetX;
public TabView(Context context) {
super(context);
}
public void setTab(Tab tab, int position) {
currentTab = tab;
currentPosition = position;
setContentDescription(tab.title);
requestLayout();
}
public int getId() {
return currentTab.id;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int w = currentTab.getWidth(false, textPaint) + AndroidUtilities.dp(32) + additionalTabWidth;
setMeasuredDimension(w, MeasureSpec.getSize(heightMeasureSpec));
}
@SuppressLint("DrawAllocation")
@Override
protected void onDraw(Canvas canvas) {
if (currentTab.id != Integer.MAX_VALUE && editingAnimationProgress != 0) {
canvas.save();
float p = editingAnimationProgress * (currentPosition % 2 == 0 ? 1.0f : -1.0f);
canvas.translate(AndroidUtilities.dp(0.66f) * p, 0);
canvas.rotate(p, getMeasuredWidth() / 2, getMeasuredHeight() / 2);
}
String key;
String animateToKey;
String otherKey;
String animateToOtherKey;
String unreadKey;
String unreadOtherKey;
int id1;
int id2;
if (manualScrollingToId != -1) {
id1 = manualScrollingToId;
id2 = selectedTabId;
} else {
id1 = selectedTabId;
id2 = previousId;
}
if (currentTab.id == id1) {
key = activeTextColorKey;
otherKey = unactiveTextColorKey;
unreadKey = Theme.key_chats_tabUnreadActiveBackground;
unreadOtherKey = Theme.key_chats_tabUnreadUnactiveBackground;
} else {
key = unactiveTextColorKey;
otherKey = activeTextColorKey;
unreadKey = Theme.key_chats_tabUnreadUnactiveBackground;
unreadOtherKey = Theme.key_chats_tabUnreadActiveBackground;
}
if ((animatingIndicator || manualScrollingToId != -1) && (currentTab.id == id1 || currentTab.id == id2)) {
textPaint.setColor(ColorUtils.blendARGB(Theme.getColor(otherKey), Theme.getColor(key), animatingIndicatorProgress));
} else {
textPaint.setColor(Theme.getColor(key));
}
int counterWidth;
int countWidth;
String counterText;
if (currentTab.counter > 0) {
counterText = String.format("%d", currentTab.counter);
counterWidth = (int) Math.ceil(textCounterPaint.measureText(counterText));
countWidth = Math.max(AndroidUtilities.dp(10), counterWidth) + AndroidUtilities.dp(10);
} else {
counterText = null;
counterWidth = 0;
countWidth = 0;
}
if (currentTab.id != Integer.MAX_VALUE && (isEditing || editingStartAnimationProgress != 0)) {
countWidth = (int) (countWidth + (AndroidUtilities.dp(20) - countWidth) * editingStartAnimationProgress);
}
tabWidth = currentTab.titleWidth + (countWidth != 0 ? countWidth + AndroidUtilities.dp(6 * (counterText != null ? 1.0f : editingStartAnimationProgress)) : 0);
int textX = (getMeasuredWidth() - tabWidth) / 2;
if (!TextUtils.equals(currentTab.title, currentText)) {
currentText = currentTab.title;
CharSequence text = Emoji.replaceEmoji(currentText, textPaint.getFontMetricsInt(), AndroidUtilities.dp(15), false);
textLayout = new StaticLayout(text, textPaint, AndroidUtilities.dp(400), Layout.Alignment.ALIGN_NORMAL, 1.0f, 0, false);
textHeight = textLayout.getHeight();
textOffsetX = (int) -textLayout.getLineLeft(0);
}
if (textLayout != null) {
canvas.save();
canvas.translate(textX + textOffsetX, (getMeasuredHeight() - textHeight) / 2 + 1);
textLayout.draw(canvas);
canvas.restore();
}
if (counterText != null || currentTab.id != Integer.MAX_VALUE && (isEditing || editingStartAnimationProgress != 0)) {
textCounterPaint.setColor(Theme.getColor(backgroundColorKey));
if (Theme.hasThemeKey(unreadKey) && Theme.hasThemeKey(unreadOtherKey)) {
int color1 = Theme.getColor(unreadKey);
if ((animatingIndicator || manualScrollingToPosition != -1) && (currentTab.id == id1 || currentTab.id == id2)) {
int color3 = Theme.getColor(unreadOtherKey);
counterPaint.setColor(ColorUtils.blendARGB(color3, color1, animatingIndicatorProgress));
} else {
counterPaint.setColor(color1);
}
} else {
counterPaint.setColor(textPaint.getColor());
}
int x = textX + currentTab.titleWidth + AndroidUtilities.dp(6);
int countTop = (getMeasuredHeight() - AndroidUtilities.dp(20)) / 2;
if (currentTab.id != Integer.MAX_VALUE && (isEditing || editingStartAnimationProgress != 0) && counterText == null) {
counterPaint.setAlpha((int) (editingStartAnimationProgress * 255));
} else {
counterPaint.setAlpha(255);
}
rect.set(x, countTop, x + countWidth, countTop + AndroidUtilities.dp(20));
canvas.drawRoundRect(rect, 11.5f * AndroidUtilities.density, 11.5f * AndroidUtilities.density, counterPaint);
if (counterText != null) {
if (currentTab.id != Integer.MAX_VALUE) {
textCounterPaint.setAlpha((int) (255 * (1.0f - editingStartAnimationProgress)));
}
canvas.drawText(counterText, rect.left + (rect.width() - counterWidth) / 2, countTop + AndroidUtilities.dp(14.5f), textCounterPaint);
}
if (currentTab.id != Integer.MAX_VALUE && (isEditing || editingStartAnimationProgress != 0)) {
deletePaint.setColor(textCounterPaint.getColor());
deletePaint.setAlpha((int) (255 * editingStartAnimationProgress));
int side = AndroidUtilities.dp(3);
canvas.drawLine(rect.centerX() - side, rect.centerY() - side, rect.centerX() + side, rect.centerY() + side, deletePaint);
canvas.drawLine(rect.centerX() - side, rect.centerY() + side, rect.centerX() + side, rect.centerY() - side, deletePaint);
}
}
if (currentTab.id != Integer.MAX_VALUE && editingAnimationProgress != 0) {
canvas.restore();
}
}
@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
super.onInitializeAccessibilityNodeInfo(info);
info.setSelected(currentTab != null && selectedTabId != -1 && currentTab.id == selectedTabId);
}
}
private TextPaint textPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
private TextPaint textCounterPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
private Paint deletePaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
private Paint counterPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
private ArrayList<Tab> tabs = new ArrayList<>();
private Bitmap crossfadeBitmap;
private Paint crossfadePaint = new Paint();
private float crossfadeAlpha;
private boolean commitCrossfade;
private boolean isEditing;
private long lastEditingAnimationTime;
private boolean editingForwardAnimation;
private float editingAnimationProgress;
private float editingStartAnimationProgress;
private boolean orderChanged;
private boolean ignoreLayout;
private RecyclerListView listView;
private LinearLayoutManager layoutManager;
private ListAdapter adapter;
private TabsViewDelegate delegate;
private int currentPosition;
private int selectedTabId = -1;
private int allTabsWidth;
private int additionalTabWidth;
private boolean animatingIndicator;
private float animatingIndicatorProgress;
private int manualScrollingToPosition = -1;
private int manualScrollingToId = -1;
private int scrollingToChild = -1;
private GradientDrawable selectorDrawable;
private String tabLineColorKey = Theme.key_profile_tabSelectedLine;
private String activeTextColorKey = Theme.key_profile_tabSelectedText;
private String unactiveTextColorKey = Theme.key_profile_tabText;
private String selectorColorKey = Theme.key_profile_tabSelector;
private String backgroundColorKey = Theme.key_actionBarDefault;
private int prevLayoutWidth;
private boolean invalidated;
private boolean isInHiddenMode;
private float hideProgress;
private CubicBezierInterpolator interpolator = CubicBezierInterpolator.EASE_OUT_QUINT;
private SparseIntArray positionToId = new SparseIntArray(5);
private SparseIntArray idToPosition = new SparseIntArray(5);
private SparseIntArray positionToWidth = new SparseIntArray(5);
private SparseIntArray positionToX = new SparseIntArray(5);
private boolean animationRunning;
private long lastAnimationTime;
private float animationTime;
private int previousPosition;
private int previousId;
private Runnable animationRunnable = new Runnable() {
@Override
public void run() {
if (!animatingIndicator) {
return;
}
long newTime = SystemClock.elapsedRealtime();
long dt = (newTime - lastAnimationTime);
if (dt > 17) {
dt = 17;
}
animationTime += dt / 200.0f;
setAnimationIdicatorProgress(interpolator.getInterpolation(animationTime));
if (animationTime > 1.0f) {
animationTime = 1.0f;
}
if (animationTime < 1.0f) {
AndroidUtilities.runOnUIThread(animationRunnable);
} else {
animatingIndicator = false;
setEnabled(true);
if (delegate != null) {
delegate.onPageScrolled(1.0f);
}
}
}
};
ValueAnimator tabsAnimator;
private float animationValue;
public TabsView(Context context) {
super(context);
textCounterPaint.setTextSize(AndroidUtilities.dp(13));
textCounterPaint.setTypeface(AndroidUtilities.getTypeface("fonts/rmedium.ttf"));
textPaint.setTextSize(AndroidUtilities.dp(15));
textPaint.setTypeface(AndroidUtilities.getTypeface("fonts/rmedium.ttf"));
deletePaint.setStyle(Paint.Style.STROKE);
deletePaint.setStrokeCap(Paint.Cap.ROUND);
deletePaint.setStrokeWidth(AndroidUtilities.dp(1.5f));
selectorDrawable = new GradientDrawable(GradientDrawable.Orientation.LEFT_RIGHT, null);
float rad = AndroidUtilities.dpf2(3);
selectorDrawable.setCornerRadii(new float[]{rad, rad, rad, rad, 0, 0, 0, 0});
selectorDrawable.setColor(Theme.getColor(tabLineColorKey));
setHorizontalScrollBarEnabled(false);
listView = new RecyclerListView(context) {
@Override
public void addView(View child, int index, ViewGroup.LayoutParams params) {
super.addView(child, index, params);
if (isInHiddenMode) {
child.setScaleX(0.3f);
child.setScaleY(0.3f);
child.setAlpha(0);
} else {
child.setScaleX(1f);
child.setScaleY(1f);
child.setAlpha(1f);
}
}
@Override
public void setAlpha(float alpha) {
super.setAlpha(alpha);
TabsView.this.invalidate();
}
@Override
protected boolean canHighlightChildAt(View child, float x, float y) {
if (isEditing) {
TabView tabView = (TabView) child;
int side = AndroidUtilities.dp(6);
if (tabView.rect.left - side < x && tabView.rect.right + side > x) {
return false;
}
}
return super.canHighlightChildAt(child, x, y);
}
};
((DefaultItemAnimator) listView.getItemAnimator()).setDelayAnimations(false);
listView.setSelectorType(7);
listView.setSelectorDrawableColor(Theme.getColor(selectorColorKey));
listView.setLayoutManager(layoutManager = new LinearLayoutManager(context, LinearLayoutManager.HORIZONTAL, false) {
@Override
public void smoothScrollToPosition(RecyclerView recyclerView, RecyclerView.State state, int position) {
LinearSmoothScroller linearSmoothScroller = new LinearSmoothScroller(recyclerView.getContext()) {
@Override
protected void onTargetFound(View targetView, RecyclerView.State state, Action action) {
int dx = calculateDxToMakeVisible(targetView, getHorizontalSnapPreference());
if (dx > 0 || dx == 0 && targetView.getLeft() - AndroidUtilities.dp(21) < 0) {
dx += AndroidUtilities.dp(60);
} else if (dx < 0 || dx == 0 && targetView.getRight() + AndroidUtilities.dp(21) > getMeasuredWidth()) {
dx -= AndroidUtilities.dp(60);
}
final int dy = calculateDyToMakeVisible(targetView, getVerticalSnapPreference());
final int distance = (int) Math.sqrt(dx * dx + dy * dy);
final int time = Math.max(180, calculateTimeForDeceleration(distance));
if (time > 0) {
action.update(-dx, -dy, time, mDecelerateInterpolator);
}
}
};
linearSmoothScroller.setTargetPosition(position);
startSmoothScroll(linearSmoothScroller);
}
@Override
public int scrollHorizontallyBy(int dx, RecyclerView.Recycler recycler, RecyclerView.State state) {
return super.scrollHorizontallyBy(dx, recycler, state);
}
@Override
public void onInitializeAccessibilityNodeInfo(@NonNull RecyclerView.Recycler recycler, @NonNull RecyclerView.State state, @NonNull AccessibilityNodeInfoCompat info) {
super.onInitializeAccessibilityNodeInfo(recycler, state, info);
if (isInHiddenMode) {
info.setVisibleToUser(false);
}
}
});
listView.setPadding(AndroidUtilities.dp(7), 0, AndroidUtilities.dp(7), 0);
listView.setClipToPadding(false);
listView.setDrawSelectorBehind(true);
listView.setAdapter(adapter = new ListAdapter(context));
listView.setOnItemClickListener((view, position, x, y) -> {
if (!delegate.canPerformActions()) {
return;
}
TabView tabView = (TabView) view;
if (position == currentPosition && delegate != null) {
delegate.onSamePageSelected();
return;
}
scrollToTab(tabView.currentTab.id, position);
});
listView.setOnScrollListener(new RecyclerView.OnScrollListener() {
@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
invalidate();
}
});
addView(listView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.MATCH_PARENT));
}
public void setDelegate(TabsViewDelegate filterTabsViewDelegate) {
delegate = filterTabsViewDelegate;
}
public boolean isAnimatingIndicator() {
return animatingIndicator;
}
public void scrollToTab(int id, int position) {
boolean scrollingForward = currentPosition < position;
scrollingToChild = -1;
previousPosition = currentPosition;
previousId = selectedTabId;
currentPosition = position;
selectedTabId = id;
if (tabsAnimator != null) {
tabsAnimator.cancel();
}
if (animatingIndicator) {
animatingIndicator = false;
}
animationTime = 0;
animatingIndicatorProgress = 0;
animatingIndicator = true;
setEnabled(false);
if (delegate != null) {
delegate.onPageSelected(id, scrollingForward);
}
scrollToChild(position);
tabsAnimator = ValueAnimator.ofFloat(0,1f);
tabsAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
float progress = (float) valueAnimator.getAnimatedValue();
setAnimationIdicatorProgress(progress);
if (delegate != null) {
delegate.onPageScrolled(progress);
}
}
});
tabsAnimator.setDuration(250);
tabsAnimator.setInterpolator(CubicBezierInterpolator.DEFAULT);
tabsAnimator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
animatingIndicator = false;
setEnabled(true);
if (delegate != null) {
delegate.onPageScrolled(1.0f);
}
invalidate();
}
});
tabsAnimator.start();
}
public void setAnimationIdicatorProgress(float value) {
animatingIndicatorProgress = value;
listView.invalidateViews();
invalidate();
if (delegate != null) {
delegate.onPageScrolled(value);
}
}
public Drawable getSelectorDrawable() {
return selectorDrawable;
}
public RecyclerListView getTabsContainer() {
return listView;
}
public int getNextPageId(boolean forward) {
return positionToId.get(currentPosition + (forward ? 1 : -1), -1);
}
public void addTab(int id, String text) {
int position = tabs.size();
if (position == 0 && selectedTabId == -1) {
selectedTabId = id;
}
positionToId.put(position, id);
idToPosition.put(id, position);
if (selectedTabId != -1 && selectedTabId == id) {
currentPosition = position;
}
Tab tab = new Tab(id, text);
allTabsWidth += tab.getWidth(true, textPaint) + AndroidUtilities.dp(32);
tabs.add(tab);
}
public void removeTabs() {
tabs.clear();
positionToId.clear();
idToPosition.clear();
positionToWidth.clear();
positionToX.clear();
allTabsWidth = 0;
}
public void finishAddingTabs() {
adapter.notifyDataSetChanged();
}
public int getCurrentTabId() {
return selectedTabId;
}
public int getFirstTabId() {
return positionToId.get(0, 0);
}
private void updateTabsWidths() {
positionToX.clear();
positionToWidth.clear();
int xOffset = AndroidUtilities.dp(7);
for (int a = 0, N = tabs.size(); a < N; a++) {
int tabWidth = tabs.get(a).getWidth(false, textPaint);
positionToWidth.put(a, tabWidth);
positionToX.put(a, xOffset + additionalTabWidth / 2);
xOffset += tabWidth + AndroidUtilities.dp(32) + additionalTabWidth;
}
}
@Override
protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
boolean result = super.drawChild(canvas, child, drawingTime);
if (child == listView) {
final int height = getMeasuredHeight();
boolean invalidate = false;
if (isInHiddenMode && hideProgress != 1f) {
hideProgress += 0.1f;
if (hideProgress > 1f) {
hideProgress = 1f;
}
invalidate();
} else if (!isInHiddenMode && hideProgress != 0) {
hideProgress -= 0.12f;
if (hideProgress < 0) {
hideProgress = 0;
}
invalidate();
}
selectorDrawable.setAlpha((int) (255 * listView.getAlpha()));
int indicatorX = 0;
int indicatorWidth = 0;
if (animatingIndicator || manualScrollingToPosition != -1) {
int position = layoutManager.findFirstVisibleItemPosition();
if (position != RecyclerListView.NO_POSITION) {
RecyclerListView.ViewHolder holder = listView.findViewHolderForAdapterPosition(position);
if (holder != null) {
int idx1;
int idx2;
if (animatingIndicator) {
idx1 = previousPosition;
idx2 = currentPosition;
} else {
idx1 = currentPosition;
idx2 = manualScrollingToPosition;
}
int prevX = positionToX.get(idx1);
int newX = positionToX.get(idx2);
int prevW = positionToWidth.get(idx1);
int newW = positionToWidth.get(idx2);
if (additionalTabWidth != 0) {
indicatorX = (int) (prevX + (newX - prevX) * animatingIndicatorProgress) + AndroidUtilities.dp(16);
} else {
int x = positionToX.get(position);
indicatorX = (int) (prevX + (newX - prevX) * animatingIndicatorProgress) - (x - holder.itemView.getLeft()) + AndroidUtilities.dp(16);
}
indicatorWidth = (int) (prevW + (newW - prevW) * animatingIndicatorProgress);
}
}
} else {
RecyclerListView.ViewHolder holder = listView.findViewHolderForAdapterPosition(currentPosition);
if (holder != null) {
TabView tabView = (TabView) holder.itemView;
indicatorWidth = Math.max(AndroidUtilities.dp(40), tabView.tabWidth);
indicatorX = (int) (tabView.getX() + (tabView.getMeasuredWidth() - indicatorWidth) / 2);
}
}
if (indicatorWidth != 0) {
selectorDrawable.setBounds(indicatorX, (int) (height - AndroidUtilities.dpr(4) + hideProgress * AndroidUtilities.dpr(4)), indicatorX + indicatorWidth, (int) (height + hideProgress * AndroidUtilities.dpr(4)));
selectorDrawable.draw(canvas);
}
if (crossfadeBitmap != null) {
crossfadePaint.setAlpha((int) (crossfadeAlpha * 255));
canvas.drawBitmap(crossfadeBitmap, 0, 0, crossfadePaint);
}
}
return result;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
if (!tabs.isEmpty()) {
int width = MeasureSpec.getSize(widthMeasureSpec) - AndroidUtilities.dp(7) - AndroidUtilities.dp(7);
int prevWidth = additionalTabWidth;
additionalTabWidth = allTabsWidth < width ? (width - allTabsWidth) / tabs.size() : 0;
if (prevWidth != additionalTabWidth) {
ignoreLayout = true;
adapter.notifyDataSetChanged();
ignoreLayout = false;
}
updateTabsWidths();
invalidated = false;
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
public void updateColors() {
selectorDrawable.setColor(Theme.getColor(tabLineColorKey));
listView.invalidateViews();
listView.invalidate();
invalidate();
}
@Override
public void requestLayout() {
if (ignoreLayout) {
return;
}
super.requestLayout();
}
private void scrollToChild(int position) {
if (tabs.isEmpty() || scrollingToChild == position || position < 0 || position >= tabs.size()) {
return;
}
scrollingToChild = position;
listView.smoothScrollToPosition(position);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
super.onLayout(changed, l, t, r, b);
if (prevLayoutWidth != r - l) {
prevLayoutWidth = r - l;
scrollingToChild = -1;
if (animatingIndicator) {
AndroidUtilities.cancelRunOnUIThread(animationRunnable);
animatingIndicator = false;
setEnabled(true);
if (delegate != null) {
delegate.onPageScrolled(1.0f);
}
}
}
}
public void selectTab(int currentPosition, int nextPosition, float progress) {
if (progress < 0) {
progress = 0;
} else if (progress > 1.0f) {
progress = 1.0f;
}
this.currentPosition = currentPosition;
selectedTabId = positionToId.get(currentPosition);
if (progress > 0) {
manualScrollingToPosition = nextPosition;
manualScrollingToId = positionToId.get(nextPosition);
} else {
manualScrollingToPosition = -1;
manualScrollingToId = -1;
}
animatingIndicatorProgress = progress;
listView.invalidateViews();
invalidate();
scrollToChild(currentPosition);
if (progress >= 1.0f) {
manualScrollingToPosition = -1;
manualScrollingToId = -1;
this.currentPosition = nextPosition;
selectedTabId = positionToId.get(nextPosition);
}
}
public void selectTabWithId(int id, float progress) {
int position = idToPosition.get(id, -1);
if (position < 0) {
return;
}
if (progress < 0) {
progress = 0;
} else if (progress > 1.0f) {
progress = 1.0f;
}
if (progress > 0) {
manualScrollingToPosition = position;
manualScrollingToId = id;
} else {
manualScrollingToPosition = -1;
manualScrollingToId = -1;
}
animatingIndicatorProgress = progress;
listView.invalidateViews();
invalidate();
scrollToChild(position);
if (progress >= 1.0f) {
manualScrollingToPosition = -1;
manualScrollingToId = -1;
currentPosition = position;
selectedTabId = id;
}
}
private int getChildWidth(TextView child) {
Layout layout = child.getLayout();
if (layout != null) {
int w = (int) Math.ceil(layout.getLineWidth(0)) + AndroidUtilities.dp(2);
if (child.getCompoundDrawables()[2] != null) {
w += child.getCompoundDrawables()[2].getIntrinsicWidth() + AndroidUtilities.dp(6);
}
return w;
} else {
return child.getMeasuredWidth();
}
}
public void onPageScrolled(int position, int first) {
if (currentPosition == position) {
return;
}
currentPosition = position;
if (position >= tabs.size()) {
return;
}
if (first == position && position > 1) {
scrollToChild(position - 1);
} else {
scrollToChild(position);
}
invalidate();
}
public boolean isEditing() {
return isEditing;
}
public void setIsEditing(boolean value) {
isEditing = value;
editingForwardAnimation = true;
listView.invalidateViews();
invalidate();
if (!isEditing && orderChanged) {
MessagesStorage.getInstance(UserConfig.selectedAccount).saveDialogFiltersOrder();
TLRPC.TL_messages_updateDialogFiltersOrder req = new TLRPC.TL_messages_updateDialogFiltersOrder();
ArrayList<MessagesController.DialogFilter> filters = MessagesController.getInstance(UserConfig.selectedAccount).dialogFilters;
for (int a = 0, N = filters.size(); a < N; a++) {
MessagesController.DialogFilter filter = filters.get(a);
req.order.add(filters.get(a).id);
}
ConnectionsManager.getInstance(UserConfig.selectedAccount).sendRequest(req, (response, error) -> {
});
orderChanged = false;
}
}
private class ListAdapter extends RecyclerListView.SelectionAdapter {
private Context mContext;
public ListAdapter(Context context) {
mContext = context;
}
@Override
public int getItemCount() {
return tabs.size();
}
@Override
public long getItemId(int i) {
return i;
}
@Override
public boolean isEnabled(RecyclerView.ViewHolder holder) {
return true;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
return new RecyclerListView.Holder(new TabView(mContext));
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
TabView tabView = (TabView) holder.itemView;
tabView.setTab(tabs.get(position), position);
}
@Override
public int getItemViewType(int i) {
return 0;
}
}
public void hide(boolean hide, boolean animated) {
isInHiddenMode = hide;
if (animated) {
for (int i = 0; i < listView.getChildCount(); i++) {
listView.getChildAt(i).animate().alpha(hide ? 0 : 1f).scaleX(hide ? 0 : 1f).scaleY(hide ? 0 : 1f).setInterpolator(CubicBezierInterpolator.DEFAULT).setDuration(220).start();
}
} else {
for (int i = 0; i < listView.getChildCount(); i++) {
View v = listView.getChildAt(i);
v.setScaleX(hide ? 0 : 1f);
v.setScaleY(hide ? 0 : 1f);
v.setAlpha(hide ? 0 : 1f);
}
hideProgress = hide ? 1 : 0;
}
invalidate();
}
}
private View findScrollingChild(ViewGroup parent, float x, float y) {
int n = parent.getChildCount();
for (int i = 0; i < n; i++) {
View child = parent.getChildAt(i);
if (child.getVisibility() != View.VISIBLE) {
continue;
}
child.getHitRect(rect);
if (rect.contains((int) x, (int) y)) {
if (child.canScrollHorizontally(-1)) {
return child;
} else if (child instanceof ViewGroup) {
View v = findScrollingChild((ViewGroup) child, x - rect.left, y - rect.top);
if (v != null) {
return v;
}
}
}
}
return null;
}
}