Examples with ScrollSlidingTextTabStrip org.telegram.ui.Components.ScrollSlidingTextTabStrip used on opensource projects

Example 1 with ScrollSlidingTextTabStrip

use of org.telegram.ui.Components.ScrollSlidingTextTabStrip in project Telegram-FOSS by Telegram-FOSS-Team.

the class DialogOrContactPickerActivity method createView.

@Override
public View createView(Context context) {
    actionBar.setBackButtonImage(R.drawable.ic_ab_back);
    actionBar.setTitle(LocaleController.getString("BlockUserMultiTitle", R.string.BlockUserMultiTitle));
    if (AndroidUtilities.isTablet()) {
        actionBar.setOccupyStatusBar(false);
    }
    actionBar.setExtraHeight(AndroidUtilities.dp(44));
    actionBar.setAllowOverlayTitle(false);
    actionBar.setAddToContainer(false);
    actionBar.setClipContent(true);
    actionBar.setActionBarMenuOnItemClick(new ActionBar.ActionBarMenuOnItemClick() {

        @Override
        public void onItemClick(int id) {
            if (id == -1) {
                finishFragment();
            }
        }
    });
    hasOwnBackground = true;
    ActionBarMenu menu = actionBar.createMenu();
    searchItem = menu.addItem(search_button, R.drawable.ic_ab_search).setIsSearchField(true).setActionBarMenuItemSearchListener(new ActionBarMenuItem.ActionBarMenuItemSearchListener() {

        @Override
        public void onSearchExpand() {
            dialogsActivity.getActionBar().openSearchField("", false);
            contactsActivity.getActionBar().openSearchField("", false);
            searchItem.getSearchField().requestFocus();
        }

        @Override
        public void onSearchCollapse() {
            dialogsActivity.getActionBar().closeSearchField(false);
            contactsActivity.getActionBar().closeSearchField(false);
        }

        @Override
        public void onTextChanged(EditText editText) {
            dialogsActivity.getActionBar().setSearchFieldText(editText.getText().toString());
            contactsActivity.getActionBar().setSearchFieldText(editText.getText().toString());
        }
    });
    searchItem.setSearchFieldHint(LocaleController.getString("Search", R.string.Search));
    scrollSlidingTextTabStrip = new ScrollSlidingTextTabStrip(context);
    scrollSlidingTextTabStrip.setUseSameWidth(true);
    actionBar.addView(scrollSlidingTextTabStrip, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 44, Gravity.LEFT | Gravity.BOTTOM));
    scrollSlidingTextTabStrip.setDelegate(new ScrollSlidingTextTabStrip.ScrollSlidingTabStripDelegate() {

        @Override
        public void onPageSelected(int id, boolean forward) {
            if (viewPages[0].selectedType == id) {
                return;
            }
            swipeBackEnabled = id == scrollSlidingTextTabStrip.getFirstTabId();
            viewPages[1].selectedType = id;
            viewPages[1].setVisibility(View.VISIBLE);
            switchToCurrentSelectedMode(true);
            animatingForward = forward;
        }

        @Override
        public void onPageScrolled(float progress) {
            if (progress == 1 && viewPages[1].getVisibility() != View.VISIBLE) {
                return;
            }
            if (animatingForward) {
                viewPages[0].setTranslationX(-progress * viewPages[0].getMeasuredWidth());
                viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth() - progress * viewPages[0].getMeasuredWidth());
            } else {
                viewPages[0].setTranslationX(progress * viewPages[0].getMeasuredWidth());
                viewPages[1].setTranslationX(progress * viewPages[0].getMeasuredWidth() - viewPages[0].getMeasuredWidth());
            }
            if (progress == 1) {
                ViewPage tempPage = viewPages[0];
                viewPages[0] = viewPages[1];
                viewPages[1] = tempPage;
                viewPages[1].setVisibility(View.GONE);
            }
        }
    });
    ViewConfiguration configuration = ViewConfiguration.get(context);
    maximumVelocity = configuration.getScaledMaximumFlingVelocity();
    FrameLayout frameLayout;
    fragmentView = frameLayout = new FrameLayout(context) {

        private int startedTrackingPointerId;

        private boolean startedTracking;

        private boolean maybeStartTracking;

        private int startedTrackingX;

        private int startedTrackingY;

        private VelocityTracker velocityTracker;

        private boolean globalIgnoreLayout;

        private boolean prepareForMoving(MotionEvent ev, boolean forward) {
            int id = scrollSlidingTextTabStrip.getNextPageId(forward);
            if (id < 0) {
                return false;
            }
            getParent().requestDisallowInterceptTouchEvent(true);
            maybeStartTracking = false;
            startedTracking = true;
            startedTrackingX = (int) ev.getX();
            actionBar.setEnabled(false);
            scrollSlidingTextTabStrip.setEnabled(false);
            viewPages[1].selectedType = id;
            viewPages[1].setVisibility(View.VISIBLE);
            animatingForward = forward;
            switchToCurrentSelectedMode(true);
            if (forward) {
                viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth());
            } else {
                viewPages[1].setTranslationX(-viewPages[0].getMeasuredWidth());
            }
            return true;
        }

        @Override
        public void forceHasOverlappingRendering(boolean hasOverlappingRendering) {
            super.forceHasOverlappingRendering(hasOverlappingRendering);
        }

        @Override
        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
            int widthSize = MeasureSpec.getSize(widthMeasureSpec);
            int heightSize = MeasureSpec.getSize(heightMeasureSpec);
            setMeasuredDimension(widthSize, heightSize);
            measureChildWithMargins(actionBar, widthMeasureSpec, 0, heightMeasureSpec, 0);
            int actionBarHeight = actionBar.getMeasuredHeight();
            globalIgnoreLayout = true;
            for (int a = 0; a < viewPages.length; a++) {
                if (viewPages[a] == null) {
                    continue;
                }
                if (viewPages[a].listView != null) {
                    viewPages[a].listView.setPadding(0, actionBarHeight, 0, 0);
                }
                if (viewPages[a].listView2 != null) {
                    viewPages[a].listView2.setPadding(0, actionBarHeight, 0, 0);
                }
            }
            globalIgnoreLayout = false;
            int childCount = getChildCount();
            for (int i = 0; i < childCount; i++) {
                View child = getChildAt(i);
                if (child == null || child.getVisibility() == GONE || child == actionBar) {
                    continue;
                }
                measureChildWithMargins(child, widthMeasureSpec, 0, heightMeasureSpec, 0);
            }
        }

        @Override
        protected void dispatchDraw(Canvas canvas) {
            super.dispatchDraw(canvas);
            if (parentLayout != null) {
                parentLayout.drawHeaderShadow(canvas, actionBar.getMeasuredHeight() + (int) actionBar.getTranslationY());
            }
        }

        @Override
        public void requestLayout() {
            if (globalIgnoreLayout) {
                return;
            }
            super.requestLayout();
        }

        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) {
                    if (tabsAnimation != null) {
                        tabsAnimation.cancel();
                        tabsAnimation = null;
                    }
                    tabsAnimationInProgress = false;
                }
                return tabsAnimationInProgress;
            }
            return false;
        }

        @Override
        public boolean onInterceptTouchEvent(MotionEvent ev) {
            return checkTabsAnimationInProgress() || scrollSlidingTextTabStrip.isAnimatingIndicator() || onTouchEvent(ev);
        }

        @Override
        protected void onDraw(Canvas canvas) {
            backgroundPaint.setColor(Theme.getColor(Theme.key_windowBackgroundWhite));
            canvas.drawRect(0, actionBar.getMeasuredHeight() + actionBar.getTranslationY(), getMeasuredWidth(), getMeasuredHeight(), backgroundPaint);
        }

        @Override
        public boolean onTouchEvent(MotionEvent ev) {
            if (!parentLayout.checkTransitionAnimation() && !checkTabsAnimationInProgress()) {
                if (ev != null) {
                    if (velocityTracker == null) {
                        velocityTracker = VelocityTracker.obtain();
                    }
                    velocityTracker.addMovement(ev);
                }
                if (ev != null && ev.getAction() == MotionEvent.ACTION_DOWN && !startedTracking && !maybeStartTracking) {
                    startedTrackingPointerId = ev.getPointerId(0);
                    maybeStartTracking = true;
                    startedTrackingX = (int) ev.getX();
                    startedTrackingY = (int) ev.getY();
                    velocityTracker.clear();
                } else if (ev != null && ev.getAction() == MotionEvent.ACTION_MOVE && ev.getPointerId(0) == startedTrackingPointerId) {
                    int dx = (int) (ev.getX() - startedTrackingX);
                    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());
                            scrollSlidingTextTabStrip.selectTabWithId(viewPages[1].selectedType, 0);
                        }
                    }
                    if (maybeStartTracking && !startedTracking) {
                        float touchSlop = AndroidUtilities.getPixelsInCM(0.3f, true);
                        if (Math.abs(dx) >= touchSlop && Math.abs(dx) > 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();
                        scrollSlidingTextTabStrip.selectTabWithId(viewPages[1].selectedType, 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();
                        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));
                            }
                        }
                        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 * AndroidUtilities.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 (backAnimation) {
                                    viewPages[1].setVisibility(View.GONE);
                                } else {
                                    ViewPage tempPage = viewPages[0];
                                    viewPages[0] = viewPages[1];
                                    viewPages[1] = tempPage;
                                    viewPages[1].setVisibility(View.GONE);
                                    swipeBackEnabled = viewPages[0].selectedType == scrollSlidingTextTabStrip.getFirstTabId();
                                    scrollSlidingTextTabStrip.selectTabWithId(viewPages[0].selectedType, 1.0f);
                                }
                                tabsAnimationInProgress = false;
                                maybeStartTracking = false;
                                startedTracking = false;
                                actionBar.setEnabled(true);
                                scrollSlidingTextTabStrip.setEnabled(true);
                            }
                        });
                        tabsAnimation.start();
                        tabsAnimationInProgress = true;
                        startedTracking = false;
                    } else {
                        maybeStartTracking = false;
                        actionBar.setEnabled(true);
                        scrollSlidingTextTabStrip.setEnabled(true);
                    }
                    if (velocityTracker != null) {
                        velocityTracker.recycle();
                        velocityTracker = null;
                    }
                }
                return startedTracking;
            }
            return false;
        }
    };
    frameLayout.setWillNotDraw(false);
    dialogsActivity.setParentFragment(this);
    contactsActivity.setParentFragment(this);
    for (int a = 0; a < viewPages.length; a++) {
        viewPages[a] = new ViewPage(context) {

            @Override
            public void setTranslationX(float translationX) {
                super.setTranslationX(translationX);
                if (tabsAnimationInProgress) {
                    if (viewPages[0] == this) {
                        float scrollProgress = Math.abs(viewPages[0].getTranslationX()) / (float) viewPages[0].getMeasuredWidth();
                        scrollSlidingTextTabStrip.selectTabWithId(viewPages[1].selectedType, scrollProgress);
                    }
                }
            }
        };
        frameLayout.addView(viewPages[a], LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.MATCH_PARENT));
        if (a == 0) {
            viewPages[a].parentFragment = dialogsActivity;
            viewPages[a].listView = dialogsActivity.getListView();
            viewPages[a].listView2 = dialogsActivity.getSearchListView();
        } else if (a == 1) {
            viewPages[a].parentFragment = contactsActivity;
            viewPages[a].listView = contactsActivity.getListView();
            viewPages[a].setVisibility(View.GONE);
        }
        viewPages[a].listView.setScrollingTouchSlop(RecyclerView.TOUCH_SLOP_PAGING);
        viewPages[a].fragmentView = (FrameLayout) viewPages[a].parentFragment.getFragmentView();
        viewPages[a].actionBar = viewPages[a].parentFragment.getActionBar();
        viewPages[a].addView(viewPages[a].fragmentView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.MATCH_PARENT));
        viewPages[a].addView(viewPages[a].actionBar, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT));
        viewPages[a].actionBar.setVisibility(View.GONE);
        for (int i = 0; i < 2; i++) {
            RecyclerListView listView = i == 0 ? viewPages[a].listView : viewPages[a].listView2;
            if (listView == null) {
                continue;
            }
            listView.setClipToPadding(false);
            RecyclerView.OnScrollListener onScrollListener = listView.getOnScrollListener();
            listView.setOnScrollListener(new RecyclerView.OnScrollListener() {

                @Override
                public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                    onScrollListener.onScrollStateChanged(recyclerView, newState);
                    if (newState != RecyclerView.SCROLL_STATE_DRAGGING) {
                        int scrollY = (int) -actionBar.getTranslationY();
                        int actionBarHeight = ActionBar.getCurrentActionBarHeight();
                        if (scrollY != 0 && scrollY != actionBarHeight) {
                            if (scrollY < actionBarHeight / 2) {
                                viewPages[0].listView.smoothScrollBy(0, -scrollY);
                                if (viewPages[0].listView2 != null) {
                                    viewPages[0].listView2.smoothScrollBy(0, -scrollY);
                                }
                            } else {
                                viewPages[0].listView.smoothScrollBy(0, actionBarHeight - scrollY);
                                if (viewPages[0].listView2 != null) {
                                    viewPages[0].listView2.smoothScrollBy(0, actionBarHeight - scrollY);
                                }
                            }
                        }
                    }
                }

                @Override
                public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                    onScrollListener.onScrolled(recyclerView, dx, dy);
                    if (recyclerView == viewPages[0].listView || recyclerView == viewPages[0].listView2) {
                        float currentTranslation = actionBar.getTranslationY();
                        float newTranslation = currentTranslation - dy;
                        if (newTranslation < -ActionBar.getCurrentActionBarHeight()) {
                            newTranslation = -ActionBar.getCurrentActionBarHeight();
                        } else if (newTranslation > 0) {
                            newTranslation = 0;
                        }
                        if (newTranslation != currentTranslation) {
                            setScrollY(newTranslation);
                        }
                    }
                }
            });
        }
    }
    frameLayout.addView(actionBar, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT));
    updateTabs();
    switchToCurrentSelectedMode(false);
    swipeBackEnabled = scrollSlidingTextTabStrip.getCurrentTabId() == scrollSlidingTextTabStrip.getFirstTabId();
    return fragmentView;
}

Example 2 with ScrollSlidingTextTabStrip

use of org.telegram.ui.Components.ScrollSlidingTextTabStrip in project Telegram-FOSS by Telegram-FOSS-Team.

the class DataUsageActivity method createView.

@Override
public View createView(Context context) {
    actionBar.setBackButtonImage(R.drawable.ic_ab_back);
    actionBar.setTitle(LocaleController.getString("NetworkUsage", R.string.NetworkUsage));
    if (AndroidUtilities.isTablet()) {
        actionBar.setOccupyStatusBar(false);
    }
    actionBar.setExtraHeight(AndroidUtilities.dp(44));
    actionBar.setAllowOverlayTitle(false);
    actionBar.setAddToContainer(false);
    actionBar.setClipContent(true);
    actionBar.setActionBarMenuOnItemClick(new ActionBar.ActionBarMenuOnItemClick() {

        @Override
        public void onItemClick(int id) {
            if (id == -1) {
                finishFragment();
            }
        }
    });
    hasOwnBackground = true;
    mobileAdapter = new ListAdapter(context, 0);
    wifiAdapter = new ListAdapter(context, 1);
    roamingAdapter = new ListAdapter(context, 2);
    scrollSlidingTextTabStrip = new ScrollSlidingTextTabStrip(context);
    scrollSlidingTextTabStrip.setUseSameWidth(true);
    actionBar.addView(scrollSlidingTextTabStrip, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 44, Gravity.LEFT | Gravity.BOTTOM));
    scrollSlidingTextTabStrip.setDelegate(new ScrollSlidingTextTabStrip.ScrollSlidingTabStripDelegate() {

        @Override
        public void onPageSelected(int id, boolean forward) {
            if (viewPages[0].selectedType == id) {
                return;
            }
            swipeBackEnabled = id == scrollSlidingTextTabStrip.getFirstTabId();
            viewPages[1].selectedType = id;
            viewPages[1].setVisibility(View.VISIBLE);
            switchToCurrentSelectedMode(true);
            animatingForward = forward;
        }

        @Override
        public void onPageScrolled(float progress) {
            if (progress == 1 && viewPages[1].getVisibility() != View.VISIBLE) {
                return;
            }
            if (animatingForward) {
                viewPages[0].setTranslationX(-progress * viewPages[0].getMeasuredWidth());
                viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth() - progress * viewPages[0].getMeasuredWidth());
            } else {
                viewPages[0].setTranslationX(progress * viewPages[0].getMeasuredWidth());
                viewPages[1].setTranslationX(progress * viewPages[0].getMeasuredWidth() - viewPages[0].getMeasuredWidth());
            }
            if (progress == 1) {
                ViewPage tempPage = viewPages[0];
                viewPages[0] = viewPages[1];
                viewPages[1] = tempPage;
                viewPages[1].setVisibility(View.GONE);
            }
        }
    });
    ViewConfiguration configuration = ViewConfiguration.get(context);
    maximumVelocity = configuration.getScaledMaximumFlingVelocity();
    FrameLayout frameLayout;
    fragmentView = frameLayout = new FrameLayout(context) {

        private int startedTrackingPointerId;

        private boolean startedTracking;

        private boolean maybeStartTracking;

        private int startedTrackingX;

        private int startedTrackingY;

        private VelocityTracker velocityTracker;

        private boolean globalIgnoreLayout;

        private boolean prepareForMoving(MotionEvent ev, boolean forward) {
            int id = scrollSlidingTextTabStrip.getNextPageId(forward);
            if (id < 0) {
                return false;
            }
            getParent().requestDisallowInterceptTouchEvent(true);
            maybeStartTracking = false;
            startedTracking = true;
            startedTrackingX = (int) ev.getX();
            actionBar.setEnabled(false);
            scrollSlidingTextTabStrip.setEnabled(false);
            viewPages[1].selectedType = id;
            viewPages[1].setVisibility(View.VISIBLE);
            animatingForward = forward;
            switchToCurrentSelectedMode(true);
            if (forward) {
                viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth());
            } else {
                viewPages[1].setTranslationX(-viewPages[0].getMeasuredWidth());
            }
            return true;
        }

        @Override
        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
            int widthSize = MeasureSpec.getSize(widthMeasureSpec);
            int heightSize = MeasureSpec.getSize(heightMeasureSpec);
            setMeasuredDimension(widthSize, heightSize);
            measureChildWithMargins(actionBar, widthMeasureSpec, 0, heightMeasureSpec, 0);
            int actionBarHeight = actionBar.getMeasuredHeight();
            globalIgnoreLayout = true;
            for (int a = 0; a < viewPages.length; a++) {
                if (viewPages[a] == null) {
                    continue;
                }
                if (viewPages[a].listView != null) {
                    viewPages[a].listView.setPadding(0, actionBarHeight, 0, AndroidUtilities.dp(4));
                }
            }
            globalIgnoreLayout = false;
            int childCount = getChildCount();
            for (int i = 0; i < childCount; i++) {
                View child = getChildAt(i);
                if (child == null || child.getVisibility() == GONE || child == actionBar) {
                    continue;
                }
                measureChildWithMargins(child, widthMeasureSpec, 0, heightMeasureSpec, 0);
            }
        }

        @Override
        protected void dispatchDraw(Canvas canvas) {
            super.dispatchDraw(canvas);
            if (parentLayout != null) {
                parentLayout.drawHeaderShadow(canvas, actionBar.getMeasuredHeight() + (int) actionBar.getTranslationY());
            }
        }

        @Override
        public void requestLayout() {
            if (globalIgnoreLayout) {
                return;
            }
            super.requestLayout();
        }

        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) {
                    if (tabsAnimation != null) {
                        tabsAnimation.cancel();
                        tabsAnimation = null;
                    }
                    tabsAnimationInProgress = false;
                }
                return tabsAnimationInProgress;
            }
            return false;
        }

        @Override
        public boolean onInterceptTouchEvent(MotionEvent ev) {
            return checkTabsAnimationInProgress() || scrollSlidingTextTabStrip.isAnimatingIndicator() || onTouchEvent(ev);
        }

        @Override
        protected void onDraw(Canvas canvas) {
            backgroundPaint.setColor(Theme.getColor(Theme.key_windowBackgroundGray));
            canvas.drawRect(0, actionBar.getMeasuredHeight() + actionBar.getTranslationY(), getMeasuredWidth(), getMeasuredHeight(), backgroundPaint);
        }

        @Override
        public boolean onTouchEvent(MotionEvent ev) {
            if (!parentLayout.checkTransitionAnimation() && !checkTabsAnimationInProgress()) {
                if (ev != null) {
                    if (velocityTracker == null) {
                        velocityTracker = VelocityTracker.obtain();
                    }
                    velocityTracker.addMovement(ev);
                }
                if (ev != null && ev.getAction() == MotionEvent.ACTION_DOWN && !startedTracking && !maybeStartTracking) {
                    startedTrackingPointerId = ev.getPointerId(0);
                    maybeStartTracking = true;
                    startedTrackingX = (int) ev.getX();
                    startedTrackingY = (int) ev.getY();
                    velocityTracker.clear();
                } else if (ev != null && ev.getAction() == MotionEvent.ACTION_MOVE && ev.getPointerId(0) == startedTrackingPointerId) {
                    int dx = (int) (ev.getX() - startedTrackingX);
                    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());
                            scrollSlidingTextTabStrip.selectTabWithId(viewPages[1].selectedType, 0);
                        }
                    }
                    if (maybeStartTracking && !startedTracking) {
                        float touchSlop = AndroidUtilities.getPixelsInCM(0.3f, true);
                        if (Math.abs(dx) >= touchSlop && Math.abs(dx) > dy) {
                            prepareForMoving(ev, dx < 0);
                        }
                    } else if (startedTracking) {
                        if (animatingForward) {
                            viewPages[0].setTranslationX(dx);
                            viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth() + dx);
                        } else {
                            viewPages[0].setTranslationX(dx);
                            viewPages[1].setTranslationX(dx - viewPages[0].getMeasuredWidth());
                        }
                        float scrollProgress = Math.abs(dx) / (float) viewPages[0].getMeasuredWidth();
                        scrollSlidingTextTabStrip.selectTabWithId(viewPages[1].selectedType, 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();
                        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));
                            }
                        }
                        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 * AndroidUtilities.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 (backAnimation) {
                                    viewPages[1].setVisibility(View.GONE);
                                } else {
                                    ViewPage tempPage = viewPages[0];
                                    viewPages[0] = viewPages[1];
                                    viewPages[1] = tempPage;
                                    viewPages[1].setVisibility(View.GONE);
                                    swipeBackEnabled = viewPages[0].selectedType == scrollSlidingTextTabStrip.getFirstTabId();
                                    scrollSlidingTextTabStrip.selectTabWithId(viewPages[0].selectedType, 1.0f);
                                }
                                tabsAnimationInProgress = false;
                                maybeStartTracking = false;
                                startedTracking = false;
                                actionBar.setEnabled(true);
                                scrollSlidingTextTabStrip.setEnabled(true);
                            }
                        });
                        tabsAnimation.start();
                        tabsAnimationInProgress = true;
                        startedTracking = false;
                    } else {
                        maybeStartTracking = false;
                        actionBar.setEnabled(true);
                        scrollSlidingTextTabStrip.setEnabled(true);
                    }
                    if (velocityTracker != null) {
                        velocityTracker.recycle();
                        velocityTracker = null;
                    }
                }
                return startedTracking;
            }
            return false;
        }
    };
    frameLayout.setWillNotDraw(false);
    int scrollToPositionOnRecreate = -1;
    int scrollToOffsetOnRecreate = 0;
    for (int a = 0; a < viewPages.length; a++) {
        if (a == 0) {
            if (viewPages[a] != null && viewPages[a].layoutManager != null) {
                scrollToPositionOnRecreate = viewPages[a].layoutManager.findFirstVisibleItemPosition();
                if (scrollToPositionOnRecreate != viewPages[a].layoutManager.getItemCount() - 1) {
                    RecyclerListView.Holder holder = (RecyclerListView.Holder) viewPages[a].listView.findViewHolderForAdapterPosition(scrollToPositionOnRecreate);
                    if (holder != null) {
                        scrollToOffsetOnRecreate = holder.itemView.getTop();
                    } else {
                        scrollToPositionOnRecreate = -1;
                    }
                } else {
                    scrollToPositionOnRecreate = -1;
                }
            }
        }
        final ViewPage ViewPage = new ViewPage(context) {

            @Override
            public void setTranslationX(float translationX) {
                super.setTranslationX(translationX);
                if (tabsAnimationInProgress) {
                    if (viewPages[0] == this) {
                        float scrollProgress = Math.abs(viewPages[0].getTranslationX()) / (float) viewPages[0].getMeasuredWidth();
                        scrollSlidingTextTabStrip.selectTabWithId(viewPages[1].selectedType, scrollProgress);
                    }
                }
            }
        };
        frameLayout.addView(ViewPage, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.MATCH_PARENT));
        viewPages[a] = ViewPage;
        final LinearLayoutManager layoutManager = viewPages[a].layoutManager = new LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false) {

            @Override
            public boolean supportsPredictiveItemAnimations() {
                return false;
            }
        };
        RecyclerListView listView = new RecyclerListView(context);
        viewPages[a].listView = listView;
        viewPages[a].listView.setScrollingTouchSlop(RecyclerView.TOUCH_SLOP_PAGING);
        viewPages[a].listView.setItemAnimator(null);
        viewPages[a].listView.setClipToPadding(false);
        viewPages[a].listView.setSectionsType(2);
        viewPages[a].listView.setLayoutManager(layoutManager);
        viewPages[a].addView(viewPages[a].listView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.MATCH_PARENT));
        viewPages[a].listView.setOnItemClickListener((view, position) -> {
            if (getParentActivity() == null) {
                return;
            }
            ListAdapter adapter = (ListAdapter) listView.getAdapter();
            if (position == adapter.resetRow) {
                AlertDialog.Builder builder = new AlertDialog.Builder(getParentActivity());
                builder.setTitle(LocaleController.getString("ResetStatisticsAlertTitle", R.string.ResetStatisticsAlertTitle));
                builder.setMessage(LocaleController.getString("ResetStatisticsAlert", R.string.ResetStatisticsAlert));
                builder.setPositiveButton(LocaleController.getString("Reset", R.string.Reset), (dialogInterface, i) -> {
                    StatsController.getInstance(currentAccount).resetStats(adapter.currentType);
                    adapter.notifyDataSetChanged();
                });
                builder.setNegativeButton(LocaleController.getString("Cancel", R.string.Cancel), null);
                AlertDialog dialog = builder.create();
                showDialog(dialog);
                TextView button = (TextView) dialog.getButton(DialogInterface.BUTTON_POSITIVE);
                if (button != null) {
                    button.setTextColor(Theme.getColor(Theme.key_dialogTextRed2));
                }
            }
        });
        viewPages[a].listView.setOnScrollListener(new RecyclerView.OnScrollListener() {

            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                if (newState != RecyclerView.SCROLL_STATE_DRAGGING) {
                    int scrollY = (int) -actionBar.getTranslationY();
                    int actionBarHeight = ActionBar.getCurrentActionBarHeight();
                    if (scrollY != 0 && scrollY != actionBarHeight) {
                        if (scrollY < actionBarHeight / 2) {
                            viewPages[0].listView.smoothScrollBy(0, -scrollY);
                        } else {
                            viewPages[0].listView.smoothScrollBy(0, actionBarHeight - scrollY);
                        }
                    }
                }
            }

            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                if (recyclerView == viewPages[0].listView) {
                    float currentTranslation = actionBar.getTranslationY();
                    float newTranslation = currentTranslation - dy;
                    if (newTranslation < -ActionBar.getCurrentActionBarHeight()) {
                        newTranslation = -ActionBar.getCurrentActionBarHeight();
                    } else if (newTranslation > 0) {
                        newTranslation = 0;
                    }
                    if (newTranslation != currentTranslation) {
                        setScrollY(newTranslation);
                    }
                }
            }
        });
        if (a == 0 && scrollToPositionOnRecreate != -1) {
            layoutManager.scrollToPositionWithOffset(scrollToPositionOnRecreate, scrollToOffsetOnRecreate);
        }
        if (a != 0) {
            viewPages[a].setVisibility(View.GONE);
        }
    }
    frameLayout.addView(actionBar, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT));
    updateTabs();
    switchToCurrentSelectedMode(false);
    swipeBackEnabled = scrollSlidingTextTabStrip.getCurrentTabId() == scrollSlidingTextTabStrip.getFirstTabId();
    return fragmentView;
}

Example 3 with ScrollSlidingTextTabStrip

use of org.telegram.ui.Components.ScrollSlidingTextTabStrip in project Telegram-FOSS by Telegram-FOSS-Team.

the class PhotoPickerSearchActivity method createView.

@Override
public View createView(Context context) {
    actionBar.setBackgroundColor(Theme.getColor(Theme.key_dialogBackground));
    actionBar.setTitleColor(Theme.getColor(Theme.key_dialogTextBlack));
    actionBar.setItemsColor(Theme.getColor(Theme.key_dialogTextBlack), false);
    actionBar.setItemsBackgroundColor(Theme.getColor(Theme.key_dialogButtonSelector), false);
    actionBar.setBackButtonImage(R.drawable.ic_ab_back);
    if (AndroidUtilities.isTablet()) {
        actionBar.setOccupyStatusBar(false);
    }
    actionBar.setExtraHeight(AndroidUtilities.dp(44));
    actionBar.setAllowOverlayTitle(false);
    actionBar.setAddToContainer(false);
    actionBar.setClipContent(true);
    actionBar.setActionBarMenuOnItemClick(new ActionBar.ActionBarMenuOnItemClick() {

        @Override
        public void onItemClick(int id) {
            if (id == -1) {
                finishFragment();
            }
        }
    });
    hasOwnBackground = true;
    ActionBarMenu menu = actionBar.createMenu();
    searchItem = menu.addItem(search_button, R.drawable.ic_ab_search).setIsSearchField(true).setActionBarMenuItemSearchListener(new ActionBarMenuItem.ActionBarMenuItemSearchListener() {

        @Override
        public void onSearchExpand() {
            imagesSearch.getActionBar().openSearchField("", false);
            gifsSearch.getActionBar().openSearchField("", false);
            searchItem.getSearchField().requestFocus();
        }

        @Override
        public boolean canCollapseSearch() {
            finishFragment();
            return false;
        }

        @Override
        public void onTextChanged(EditText editText) {
            imagesSearch.getActionBar().setSearchFieldText(editText.getText().toString());
            gifsSearch.getActionBar().setSearchFieldText(editText.getText().toString());
        }

        @Override
        public void onSearchPressed(EditText editText) {
            imagesSearch.getActionBar().onSearchPressed();
            gifsSearch.getActionBar().onSearchPressed();
        }
    });
    searchItem.setSearchFieldHint(LocaleController.getString("SearchImagesTitle", R.string.SearchImagesTitle));
    EditTextBoldCursor editText = searchItem.getSearchField();
    editText.setTextColor(Theme.getColor(Theme.key_dialogTextBlack));
    editText.setCursorColor(Theme.getColor(Theme.key_dialogTextBlack));
    editText.setHintTextColor(Theme.getColor(Theme.key_chat_messagePanelHint));
    scrollSlidingTextTabStrip = new ScrollSlidingTextTabStrip(context);
    scrollSlidingTextTabStrip.setUseSameWidth(true);
    scrollSlidingTextTabStrip.setColors(Theme.key_chat_attachActiveTab, Theme.key_chat_attachActiveTab, Theme.key_chat_attachUnactiveTab, Theme.key_dialogButtonSelector);
    actionBar.addView(scrollSlidingTextTabStrip, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 44, Gravity.LEFT | Gravity.BOTTOM));
    scrollSlidingTextTabStrip.setDelegate(new ScrollSlidingTextTabStrip.ScrollSlidingTabStripDelegate() {

        @Override
        public void onPageSelected(int id, boolean forward) {
            if (viewPages[0].selectedType == id) {
                return;
            }
            swipeBackEnabled = id == scrollSlidingTextTabStrip.getFirstTabId();
            viewPages[1].selectedType = id;
            viewPages[1].setVisibility(View.VISIBLE);
            switchToCurrentSelectedMode(true);
            animatingForward = forward;
            if (id == 0) {
                searchItem.setSearchFieldHint(LocaleController.getString("SearchImagesTitle", R.string.SearchImagesTitle));
            } else {
                searchItem.setSearchFieldHint(LocaleController.getString("SearchGifsTitle", R.string.SearchGifsTitle));
            }
        }

        @Override
        public void onPageScrolled(float progress) {
            if (progress == 1 && viewPages[1].getVisibility() != View.VISIBLE) {
                return;
            }
            if (animatingForward) {
                viewPages[0].setTranslationX(-progress * viewPages[0].getMeasuredWidth());
                viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth() - progress * viewPages[0].getMeasuredWidth());
            } else {
                viewPages[0].setTranslationX(progress * viewPages[0].getMeasuredWidth());
                viewPages[1].setTranslationX(progress * viewPages[0].getMeasuredWidth() - viewPages[0].getMeasuredWidth());
            }
            if (progress == 1) {
                ViewPage tempPage = viewPages[0];
                viewPages[0] = viewPages[1];
                viewPages[1] = tempPage;
                viewPages[1].setVisibility(View.GONE);
            }
        }
    });
    ViewConfiguration configuration = ViewConfiguration.get(context);
    maximumVelocity = configuration.getScaledMaximumFlingVelocity();
    SizeNotifierFrameLayout sizeNotifierFrameLayout;
    fragmentView = sizeNotifierFrameLayout = new SizeNotifierFrameLayout(context) {

        private int startedTrackingPointerId;

        private boolean startedTracking;

        private boolean maybeStartTracking;

        private int startedTrackingX;

        private int startedTrackingY;

        private VelocityTracker velocityTracker;

        private boolean globalIgnoreLayout;

        private boolean prepareForMoving(MotionEvent ev, boolean forward) {
            int id = scrollSlidingTextTabStrip.getNextPageId(forward);
            if (id < 0) {
                return false;
            }
            getParent().requestDisallowInterceptTouchEvent(true);
            maybeStartTracking = false;
            startedTracking = true;
            startedTrackingX = (int) ev.getX();
            actionBar.setEnabled(false);
            scrollSlidingTextTabStrip.setEnabled(false);
            viewPages[1].selectedType = id;
            viewPages[1].setVisibility(View.VISIBLE);
            animatingForward = forward;
            switchToCurrentSelectedMode(true);
            if (forward) {
                viewPages[1].setTranslationX(viewPages[0].getMeasuredWidth());
            } else {
                viewPages[1].setTranslationX(-viewPages[0].getMeasuredWidth());
            }
            return true;
        }

        @Override
        public void forceHasOverlappingRendering(boolean hasOverlappingRendering) {
            super.forceHasOverlappingRendering(hasOverlappingRendering);
        }

        @Override
        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
            int widthSize = MeasureSpec.getSize(widthMeasureSpec);
            int heightSize = MeasureSpec.getSize(heightMeasureSpec);
            setMeasuredDimension(widthSize, heightSize);
            measureChildWithMargins(actionBar, widthMeasureSpec, 0, heightMeasureSpec, 0);
            int keyboardSize = SharedConfig.smoothKeyboard ? 0 : measureKeyboardHeight();
            if (keyboardSize <= AndroidUtilities.dp(20)) {
                if (!AndroidUtilities.isInMultiwindow) {
                    heightSize -= commentTextView.getEmojiPadding();
                    heightMeasureSpec = MeasureSpec.makeMeasureSpec(heightSize, MeasureSpec.EXACTLY);
                }
            } else {
                globalIgnoreLayout = true;
                commentTextView.hideEmojiView();
                globalIgnoreLayout = false;
            }
            int actionBarHeight = actionBar.getMeasuredHeight();
            globalIgnoreLayout = true;
            for (int a = 0; a < viewPages.length; a++) {
                if (viewPages[a] == null) {
                    continue;
                }
                if (viewPages[a].listView != null) {
                    viewPages[a].listView.setPadding(AndroidUtilities.dp(4), actionBarHeight + AndroidUtilities.dp(4), AndroidUtilities.dp(4), AndroidUtilities.dp(4));
                }
            }
            globalIgnoreLayout = false;
            int childCount = getChildCount();
            for (int i = 0; i < childCount; i++) {
                View child = getChildAt(i);
                if (child == null || child.getVisibility() == GONE || child == actionBar) {
                    continue;
                }
                if (commentTextView != null && commentTextView.isPopupView(child)) {
                    if (AndroidUtilities.isInMultiwindow || AndroidUtilities.isTablet()) {
                        if (AndroidUtilities.isTablet()) {
                            child.measure(MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(Math.min(AndroidUtilities.dp(AndroidUtilities.isTablet() ? 200 : 320), heightSize - AndroidUtilities.statusBarHeight + getPaddingTop()), MeasureSpec.EXACTLY));
                        } else {
                            child.measure(MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(heightSize - AndroidUtilities.statusBarHeight + getPaddingTop(), MeasureSpec.EXACTLY));
                        }
                    } else {
                        child.measure(MeasureSpec.makeMeasureSpec(widthSize, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(child.getLayoutParams().height, MeasureSpec.EXACTLY));
                    }
                } else {
                    measureChildWithMargins(child, widthMeasureSpec, 0, heightMeasureSpec, 0);
                }
            }
        }

        @Override
        protected void onLayout(boolean changed, int l, int t, int r, int b) {
            final int count = getChildCount();
            int keyboardSize = SharedConfig.smoothKeyboard ? 0 : measureKeyboardHeight();
            int paddingBottom = keyboardSize <= AndroidUtilities.dp(20) && !AndroidUtilities.isInMultiwindow && !AndroidUtilities.isTablet() ? commentTextView.getEmojiPadding() : 0;
            setBottomClip(paddingBottom);
            for (int i = 0; i < count; i++) {
                final View child = getChildAt(i);
                if (child.getVisibility() == GONE) {
                    continue;
                }
                final LayoutParams lp = (LayoutParams) child.getLayoutParams();
                final int width = child.getMeasuredWidth();
                final int height = child.getMeasuredHeight();
                int childLeft;
                int childTop;
                int gravity = lp.gravity;
                if (gravity == -1) {
                    gravity = Gravity.TOP | Gravity.LEFT;
                }
                final int absoluteGravity = gravity & Gravity.HORIZONTAL_GRAVITY_MASK;
                final int verticalGravity = gravity & Gravity.VERTICAL_GRAVITY_MASK;
                switch(absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
                    case Gravity.CENTER_HORIZONTAL:
                        childLeft = (r - l - width) / 2 + lp.leftMargin - lp.rightMargin;
                        break;
                    case Gravity.RIGHT:
                        childLeft = (r - l) - width - lp.rightMargin - getPaddingRight();
                        break;
                    case Gravity.LEFT:
                    default:
                        childLeft = lp.leftMargin + getPaddingLeft();
                }
                switch(verticalGravity) {
                    case Gravity.TOP:
                        childTop = lp.topMargin + getPaddingTop();
                        break;
                    case Gravity.CENTER_VERTICAL:
                        childTop = ((b - paddingBottom) - t - height) / 2 + lp.topMargin - lp.bottomMargin;
                        break;
                    case Gravity.BOTTOM:
                        childTop = ((b - paddingBottom) - t) - height - lp.bottomMargin;
                        break;
                    default:
                        childTop = lp.topMargin;
                }
                if (commentTextView != null && commentTextView.isPopupView(child)) {
                    if (AndroidUtilities.isTablet()) {
                        childTop = getMeasuredHeight() - child.getMeasuredHeight();
                    } else {
                        childTop = getMeasuredHeight() + keyboardSize - child.getMeasuredHeight();
                    }
                }
                child.layout(childLeft, childTop, childLeft + width, childTop + height);
            }
            notifyHeightChanged();
        }

        @Override
        protected void dispatchDraw(Canvas canvas) {
            super.dispatchDraw(canvas);
            if (parentLayout != null) {
                parentLayout.drawHeaderShadow(canvas, actionBar.getMeasuredHeight() + (int) actionBar.getTranslationY());
            }
        }

        @Override
        public void requestLayout() {
            if (globalIgnoreLayout) {
                return;
            }
            super.requestLayout();
        }

        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) {
                    if (tabsAnimation != null) {
                        tabsAnimation.cancel();
                        tabsAnimation = null;
                    }
                    tabsAnimationInProgress = false;
                }
                return tabsAnimationInProgress;
            }
            return false;
        }

        @Override
        public boolean onInterceptTouchEvent(MotionEvent ev) {
            return checkTabsAnimationInProgress() || scrollSlidingTextTabStrip.isAnimatingIndicator() || onTouchEvent(ev);
        }

        @Override
        protected void onDraw(Canvas canvas) {
            backgroundPaint.setColor(Theme.getColor(Theme.key_windowBackgroundGray));
            canvas.drawRect(0, actionBar.getMeasuredHeight() + actionBar.getTranslationY(), getMeasuredWidth(), getMeasuredHeight(), backgroundPaint);
        }

        @Override
        public boolean onTouchEvent(MotionEvent ev) {
            if (!parentLayout.checkTransitionAnimation() && !checkTabsAnimationInProgress()) {
                if (ev != null) {
                    if (velocityTracker == null) {
                        velocityTracker = VelocityTracker.obtain();
                    }
                    velocityTracker.addMovement(ev);
                }
                if (ev != null && ev.getAction() == MotionEvent.ACTION_DOWN && !startedTracking && !maybeStartTracking) {
                    startedTrackingPointerId = ev.getPointerId(0);
                    maybeStartTracking = true;
                    startedTrackingX = (int) ev.getX();
                    startedTrackingY = (int) ev.getY();
                    velocityTracker.clear();
                } else if (ev != null && ev.getAction() == MotionEvent.ACTION_MOVE && ev.getPointerId(0) == startedTrackingPointerId) {
                    int dx = (int) (ev.getX() - startedTrackingX);
                    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());
                            scrollSlidingTextTabStrip.selectTabWithId(viewPages[1].selectedType, 0);
                        }
                    }
                    if (maybeStartTracking && !startedTracking) {
                        float touchSlop = AndroidUtilities.getPixelsInCM(0.3f, true);
                        if (Math.abs(dx) >= touchSlop && Math.abs(dx) > 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();
                        scrollSlidingTextTabStrip.selectTabWithId(viewPages[1].selectedType, 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();
                        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));
                            }
                        }
                        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 * AndroidUtilities.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 (backAnimation) {
                                    viewPages[1].setVisibility(View.GONE);
                                } else {
                                    ViewPage tempPage = viewPages[0];
                                    viewPages[0] = viewPages[1];
                                    viewPages[1] = tempPage;
                                    viewPages[1].setVisibility(View.GONE);
                                    swipeBackEnabled = viewPages[0].selectedType == scrollSlidingTextTabStrip.getFirstTabId();
                                    scrollSlidingTextTabStrip.selectTabWithId(viewPages[0].selectedType, 1.0f);
                                }
                                tabsAnimationInProgress = false;
                                maybeStartTracking = false;
                                startedTracking = false;
                                actionBar.setEnabled(true);
                                scrollSlidingTextTabStrip.setEnabled(true);
                            }
                        });
                        tabsAnimation.start();
                        tabsAnimationInProgress = true;
                        startedTracking = false;
                    } else {
                        maybeStartTracking = false;
                        actionBar.setEnabled(true);
                        scrollSlidingTextTabStrip.setEnabled(true);
                    }
                    if (velocityTracker != null) {
                        velocityTracker.recycle();
                        velocityTracker = null;
                    }
                }
                return startedTracking;
            }
            return false;
        }
    };
    sizeNotifierFrameLayout.setWillNotDraw(false);
    imagesSearch.setParentFragment(this);
    commentTextView = imagesSearch.commentTextView;
    commentTextView.setSizeNotifierLayout(sizeNotifierFrameLayout);
    for (int a = 0; a < 4; a++) {
        View view;
        switch(a) {
            case 0:
                view = imagesSearch.frameLayout2;
                break;
            case 1:
                view = imagesSearch.writeButtonContainer;
                break;
            case 2:
                view = imagesSearch.selectedCountView;
                break;
            case 3:
            default:
                view = imagesSearch.shadow;
                break;
        }
        ViewGroup parent = (ViewGroup) view.getParent();
        parent.removeView(view);
    }
    gifsSearch.setLayoutViews(imagesSearch.frameLayout2, imagesSearch.writeButtonContainer, imagesSearch.selectedCountView, imagesSearch.shadow, imagesSearch.commentTextView);
    gifsSearch.setParentFragment(this);
    for (int a = 0; a < viewPages.length; a++) {
        viewPages[a] = new ViewPage(context) {

            @Override
            public void setTranslationX(float translationX) {
                super.setTranslationX(translationX);
                if (tabsAnimationInProgress) {
                    if (viewPages[0] == this) {
                        float scrollProgress = Math.abs(viewPages[0].getTranslationX()) / (float) viewPages[0].getMeasuredWidth();
                        scrollSlidingTextTabStrip.selectTabWithId(viewPages[1].selectedType, scrollProgress);
                    }
                }
            }
        };
        sizeNotifierFrameLayout.addView(viewPages[a], LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.MATCH_PARENT));
        if (a == 0) {
            viewPages[a].parentFragment = imagesSearch;
            viewPages[a].listView = imagesSearch.getListView();
        } else if (a == 1) {
            viewPages[a].parentFragment = gifsSearch;
            viewPages[a].listView = gifsSearch.getListView();
            viewPages[a].setVisibility(View.GONE);
        }
        viewPages[a].listView.setScrollingTouchSlop(RecyclerView.TOUCH_SLOP_PAGING);
        viewPages[a].fragmentView = (FrameLayout) viewPages[a].parentFragment.getFragmentView();
        viewPages[a].listView.setClipToPadding(false);
        viewPages[a].actionBar = viewPages[a].parentFragment.getActionBar();
        viewPages[a].addView(viewPages[a].fragmentView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.MATCH_PARENT));
        viewPages[a].addView(viewPages[a].actionBar, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT));
        viewPages[a].actionBar.setVisibility(View.GONE);
        RecyclerView.OnScrollListener onScrollListener = viewPages[a].listView.getOnScrollListener();
        viewPages[a].listView.setOnScrollListener(new RecyclerView.OnScrollListener() {

            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                onScrollListener.onScrollStateChanged(recyclerView, newState);
                if (newState != RecyclerView.SCROLL_STATE_DRAGGING) {
                    int scrollY = (int) -actionBar.getTranslationY();
                    int actionBarHeight = ActionBar.getCurrentActionBarHeight();
                    if (scrollY != 0 && scrollY != actionBarHeight) {
                        if (scrollY < actionBarHeight / 2) {
                            viewPages[0].listView.smoothScrollBy(0, -scrollY);
                        } else {
                            viewPages[0].listView.smoothScrollBy(0, actionBarHeight - scrollY);
                        }
                    }
                }
            }

            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                onScrollListener.onScrolled(recyclerView, dx, dy);
                if (recyclerView == viewPages[0].listView) {
                    float currentTranslation = actionBar.getTranslationY();
                    float newTranslation = currentTranslation - dy;
                    if (newTranslation < -ActionBar.getCurrentActionBarHeight()) {
                        newTranslation = -ActionBar.getCurrentActionBarHeight();
                    } else if (newTranslation > 0) {
                        newTranslation = 0;
                    }
                    if (newTranslation != currentTranslation) {
                        setScrollY(newTranslation);
                    }
                }
            }
        });
    }
    sizeNotifierFrameLayout.addView(actionBar, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.WRAP_CONTENT));
    sizeNotifierFrameLayout.addView(imagesSearch.shadow, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 3, Gravity.BOTTOM | Gravity.LEFT, 0, 0, 0, 48));
    sizeNotifierFrameLayout.addView(imagesSearch.frameLayout2, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 48, Gravity.LEFT | Gravity.BOTTOM));
    sizeNotifierFrameLayout.addView(imagesSearch.writeButtonContainer, LayoutHelper.createFrame(60, 60, Gravity.RIGHT | Gravity.BOTTOM, 0, 0, 12, 10));
    sizeNotifierFrameLayout.addView(imagesSearch.selectedCountView, LayoutHelper.createFrame(42, 24, Gravity.RIGHT | Gravity.BOTTOM, 0, 0, -2, 9));
    updateTabs();
    switchToCurrentSelectedMode(false);
    swipeBackEnabled = scrollSlidingTextTabStrip.getCurrentTabId() == scrollSlidingTextTabStrip.getFirstTabId();
    return fragmentView;
}