Missing file

This commit is contained in:
DrKLO 2015-05-22 00:27:47 +03:00
parent 2b81b7f01e
commit 4f929ceb4b

View File

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/*
* This is the source code of Telegram for Android v. 2.x
* It is licensed under GNU GPL v. 2 or later.
* You should have received a copy of the license in this archive (see LICENSE).
*
* Copyright Nikolai Kudashov, 2013-2015.
*/
package org.telegram.ui.Components;
import android.content.Context;
import android.content.res.TypedArray;
import android.view.GestureDetector;
import android.view.HapticFeedbackConstants;
import android.view.MotionEvent;
import android.view.SoundEffectConstants;
import android.view.View;
import android.view.ViewConfiguration;
import org.telegram.android.AndroidUtilities;
import org.telegram.android.support.widget.RecyclerView;
import org.telegram.messenger.FileLog;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
public class RecyclerListView extends RecyclerView {
private OnItemClickListener onItemClickListener;
private OnItemLongClickListener onItemLongClickListener;
private RecyclerView.OnScrollListener onScrollListener;
private OnInterceptTouchListener onInterceptTouchListener;
private View emptyView;
private Runnable selectChildRunnable;
private GestureDetector mGestureDetector;
private View currentChildView;
private int currentChildPosition;
private boolean interceptedByChild;
private boolean wasPressed;
private boolean disallowInterceptTouchEvents;
private boolean instantClick;
private static int[] attributes;
private static boolean gotAttributes;
public interface OnItemClickListener {
void onItemClick(View view, int position);
}
public interface OnItemLongClickListener {
void onItemClick(View view, int position);
}
public interface OnInterceptTouchListener {
boolean onInterceptTouchEvent(MotionEvent event);
}
private class RecyclerListViewItemClickListener implements RecyclerView.OnItemTouchListener {
public RecyclerListViewItemClickListener(Context context) {
mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onSingleTapUp(MotionEvent e) {
if (currentChildView != null && onItemClickListener != null) {
currentChildView.setPressed(true);
final View view = currentChildView;
if (instantClick) {
view.playSoundEffect(SoundEffectConstants.CLICK);
onItemClickListener.onItemClick(view, currentChildPosition);
}
AndroidUtilities.runOnUIThread(new Runnable() {
@Override
public void run() {
if (view != null) {
view.setPressed(false);
if (!instantClick) {
view.playSoundEffect(SoundEffectConstants.CLICK);
if (onItemClickListener != null) {
onItemClickListener.onItemClick(view, currentChildPosition);
}
}
}
}
}, ViewConfiguration.getPressedStateDuration());
if (selectChildRunnable != null) {
AndroidUtilities.cancelRunOnUIThread(selectChildRunnable);
selectChildRunnable = null;
currentChildView = null;
interceptedByChild = false;
}
}
return true;
}
@Override
public void onLongPress(MotionEvent e) {
if (currentChildView != null && onItemLongClickListener != null) {
currentChildView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
onItemLongClickListener.onItemClick(currentChildView, currentChildPosition);
}
}
});
}
@Override
public boolean onInterceptTouchEvent(RecyclerView view, MotionEvent e) {
int action = e.getActionMasked();
boolean isScrollIdle = RecyclerListView.this.getScrollState() == RecyclerListView.SCROLL_STATE_IDLE;
if ((action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_POINTER_DOWN) && currentChildView == null && isScrollIdle) {
currentChildView = view.findChildViewUnder(e.getX(), e.getY());
currentChildPosition = -1;
if (currentChildView != null) {
currentChildPosition = view.getChildPosition(currentChildView);
MotionEvent childEvent = MotionEvent.obtain(0, 0, e.getActionMasked(), e.getX() - currentChildView.getLeft(), e.getY() - currentChildView.getTop(), 0);
if (currentChildView.onTouchEvent(childEvent)) {
interceptedByChild = true;
}
childEvent.recycle();
}
}
if (currentChildView != null && !interceptedByChild) {
try {
if (e != null) {
mGestureDetector.onTouchEvent(e);
}
} catch (Exception ev) {
FileLog.e("tmessages", ev);
}
}
if (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_POINTER_DOWN) {
if (!interceptedByChild && currentChildView != null) {
selectChildRunnable = new Runnable() {
@Override
public void run() {
if (selectChildRunnable != null && currentChildView != null) {
currentChildView.setPressed(true);
selectChildRunnable = null;
}
}
};
AndroidUtilities.runOnUIThread(selectChildRunnable, ViewConfiguration.getTapTimeout());
}
} else if (currentChildView != null && (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_POINTER_UP || action == MotionEvent.ACTION_CANCEL || !isScrollIdle)) {
if (selectChildRunnable != null) {
AndroidUtilities.cancelRunOnUIThread(selectChildRunnable);
selectChildRunnable = null;
}
currentChildView.setPressed(false);
currentChildView = null;
interceptedByChild = false;
}
return false;
}
@Override
public void onTouchEvent(RecyclerView view, MotionEvent e) {
}
}
private AdapterDataObserver observer = new AdapterDataObserver() {
@Override
public void onChanged() {
checkIfEmpty();
}
@Override
public void onItemRangeInserted(int positionStart, int itemCount) {
checkIfEmpty();
}
@Override
public void onItemRangeRemoved(int positionStart, int itemCount) {
checkIfEmpty();
}
};
public int[] getResourceDeclareStyleableIntArray(String packageName, String name) {
try {
Field f = Class.forName(packageName + ".R$styleable").getField(name);
if (f != null) {
return (int[]) f.get(null);
}
} catch (Throwable t) {
//ignore
}
return null;
}
public RecyclerListView(Context context) {
super(context);
try {
if (!gotAttributes) {
attributes = getResourceDeclareStyleableIntArray("com.android.internal", "View");
gotAttributes = true;
}
TypedArray a = context.getTheme().obtainStyledAttributes(attributes);
Method initializeScrollbars = android.view.View.class.getDeclaredMethod("initializeScrollbars", TypedArray.class);
initializeScrollbars.invoke(this, a);
a.recycle();
} catch (Throwable e) {
FileLog.e("tmessages", e);
}
super.setOnScrollListener(new OnScrollListener() {
@Override
public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
if (newState != SCROLL_STATE_IDLE && currentChildView != null) {
if (selectChildRunnable != null) {
AndroidUtilities.cancelRunOnUIThread(selectChildRunnable);
selectChildRunnable = null;
}
MotionEvent event = MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0, 0, 0);
try {
mGestureDetector.onTouchEvent(event);
} catch (Exception e) {
FileLog.e("tmessages", e);
}
currentChildView.onTouchEvent(event);
event.recycle();
currentChildView.setPressed(false);
currentChildView = null;
interceptedByChild = false;
}
if (onScrollListener != null) {
onScrollListener.onScrollStateChanged(recyclerView, newState);
}
}
@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
if (onScrollListener != null) {
onScrollListener.onScrolled(recyclerView, dx, dy);
}
}
});
addOnItemTouchListener(new RecyclerListViewItemClickListener(context));
}
@Override
public void setVerticalScrollBarEnabled(boolean verticalScrollBarEnabled) {
if (attributes != null) {
super.setVerticalScrollBarEnabled(verticalScrollBarEnabled);
}
}
public void setOnItemClickListener(OnItemClickListener listener) {
onItemClickListener = listener;
}
public void setOnItemLongClickListener(OnItemLongClickListener listener) {
onItemLongClickListener = listener;
}
public void setEmptyView(View view) {
if (emptyView == view) {
return;
}
emptyView = view;
checkIfEmpty();
}
public View getEmptyView() {
return emptyView;
}
public void invalidateViews() {
int count = getChildCount();
for (int a = 0; a < count; a++) {
getChildAt(a).invalidate();
}
}
@Override
public boolean onInterceptTouchEvent(MotionEvent e) {
if (disallowInterceptTouchEvents) {
requestDisallowInterceptTouchEvent(true);
}
return onInterceptTouchListener != null && onInterceptTouchListener.onInterceptTouchEvent(e) || super.onInterceptTouchEvent(e);
}
private void checkIfEmpty() {
if (emptyView == null || getAdapter() == null) {
return;
}
boolean emptyViewVisible = getAdapter().getItemCount() == 0;
emptyView.setVisibility(emptyViewVisible ? VISIBLE : INVISIBLE);
setVisibility(emptyViewVisible ? INVISIBLE : VISIBLE);
}
@Override
public void setOnScrollListener(OnScrollListener listener) {
onScrollListener = listener;
}
public void setOnInterceptTouchListener(OnInterceptTouchListener listener) {
onInterceptTouchListener = listener;
}
public void setInstantClick(boolean value) {
instantClick = value;
}
public void setDisallowInterceptTouchEvents(boolean value) {
disallowInterceptTouchEvents = value;
}
@Override
public void setAdapter(Adapter adapter) {
final Adapter oldAdapter = getAdapter();
if (oldAdapter != null) {
oldAdapter.unregisterAdapterDataObserver(observer);
}
super.setAdapter(adapter);
if (adapter != null) {
adapter.registerAdapterDataObserver(observer);
}
checkIfEmpty();
}
@Override
public void stopScroll() {
try {
super.stopScroll();
} catch (NullPointerException exception) {
/**
* The mLayout has been disposed of before the
* RecyclerView and this stops the application
* from crashing.
*/
}
}
}