mirror of https://github.com/NekoX-Dev/NekoX.git
88 lines
3.0 KiB
Java
88 lines
3.0 KiB
Java
/*
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* This is the source code of Telegram for Android v. 1.3.2.
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* It is licensed under GNU GPL v. 2 or later.
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* You should have received a copy of the license in this archive (see LICENSE).
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*
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* Copyright Nikolai Kudashov, 2013.
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*/
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package org.telegram.ui.Views;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Rect;
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import android.graphics.drawable.Drawable;
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import android.view.View;
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import android.widget.RelativeLayout;
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import org.telegram.android.AndroidUtilities;
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import org.telegram.messenger.FileLog;
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public class SizeNotifierRelativeLayout extends RelativeLayout {
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private Rect rect = new Rect();
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private Drawable backgroundDrawable;
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public SizeNotifierRelativeLayoutDelegate delegate;
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public abstract interface SizeNotifierRelativeLayoutDelegate {
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public abstract void onSizeChanged(int keyboardHeight);
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}
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public SizeNotifierRelativeLayout(Context context) {
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super(context);
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}
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public SizeNotifierRelativeLayout(android.content.Context context, android.util.AttributeSet attrs) {
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super(context, attrs);
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}
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public SizeNotifierRelativeLayout(android.content.Context context, android.util.AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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}
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public void setBackgroundImage(int resourceId) {
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try {
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backgroundDrawable = getResources().getDrawable(resourceId);
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} catch (Throwable e) {
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FileLog.e("tmessages", e);
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}
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}
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public void setBackgroundImage(Drawable bitmap) {
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backgroundDrawable = bitmap;
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}
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public Drawable getBackgroundImage() {
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return backgroundDrawable;
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}
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@Override
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protected void onLayout(boolean changed, int l, int t, int r, int b) {
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super.onLayout(changed, l, t, r, b);
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if (delegate != null) {
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View rootView = this.getRootView();
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int usableViewHeight = rootView.getHeight() - AndroidUtilities.statusBarHeight - AndroidUtilities.getViewInset(rootView);
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this.getWindowVisibleDisplayFrame(rect);
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int keyboardHeight = usableViewHeight - (rect.bottom - rect.top);
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delegate.onSizeChanged(keyboardHeight);
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}
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}
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@Override
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protected void onDraw(Canvas canvas) {
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if (backgroundDrawable != null) {
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float scaleX = (float)getMeasuredWidth() / (float)backgroundDrawable.getIntrinsicWidth();
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float scaleY = (float)getMeasuredHeight() / (float)backgroundDrawable.getIntrinsicHeight();
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float scale = scaleX < scaleY ? scaleY : scaleX;
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int width = (int)Math.ceil(backgroundDrawable.getIntrinsicWidth() * scale);
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int height = (int)Math.ceil(backgroundDrawable.getIntrinsicHeight() * scale);
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int x = (getMeasuredWidth() - width) / 2;
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int y = (getMeasuredHeight() - height) / 2;
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backgroundDrawable.setBounds(x, y, x + width, y + height);
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backgroundDrawable.draw(canvas);
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} else {
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super.onDraw(canvas);
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}
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}
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}
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