117 lines
3.5 KiB
Java
117 lines
3.5 KiB
Java
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.nyan;
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import android.content.Context;
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import android.content.res.Resources;
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import android.graphics.Canvas;
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import android.util.AttributeSet;
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import android.util.DisplayMetrics;
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import android.view.View;
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public class NyanDaydreamView extends View {
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private final InvalidateRunnable mInvalidateRunnable;
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private final NyanDrawingHelper mNyanDrawingHelper;
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public NyanDaydreamView(final Context context) {
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this(context, null);
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}
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public NyanDaydreamView(final Context context, final AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public NyanDaydreamView(final Context context, final AttributeSet attrs, final int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
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mNyanDrawingHelper = new DreamViewNyanDrawingHelper(this);
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mInvalidateRunnable = new InvalidateRunnable(this);
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}
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public void setScale(final float scale) {
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mNyanDrawingHelper.setScale(scale);
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}
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@Override
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protected void onAttachedToWindow() {
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super.onAttachedToWindow();
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post(mInvalidateRunnable);
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}
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@Override
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protected void onDetachedFromWindow() {
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removeCallbacks(mInvalidateRunnable);
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super.onDetachedFromWindow();
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}
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@Override
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protected void onDraw(final Canvas canvas) {
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super.onDraw(canvas);
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mNyanDrawingHelper.dispatchDraw(canvas);
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}
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@Override
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protected void onSizeChanged(final int w, final int h, final int oldw, final int oldh) {
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super.onSizeChanged(w, h, oldw, oldh);
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mNyanDrawingHelper.dispatchSizeChanged(w, h);
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}
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private static final class DreamViewNyanDrawingHelper extends NyanDrawingHelper {
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private final int mDisplayHeight;
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private final NyanDaydreamView mView;
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public DreamViewNyanDrawingHelper(final NyanDaydreamView view) {
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super(view.getContext());
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mView = view;
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final Resources res = getResources();
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final DisplayMetrics dm = res.getDisplayMetrics();
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mDisplayHeight = dm.heightPixels;
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}
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@Override
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protected int getRainbowYOffset() {
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final int visibility = mView.getSystemUiVisibility();
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if ((visibility & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0) return 0;
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return mDisplayHeight - getHeight();
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}
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}
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private static final class InvalidateRunnable implements Runnable {
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private final View mView;
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InvalidateRunnable(final View view) {
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mView = view;
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}
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@Override
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public void run() {
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mView.invalidate();
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mView.postDelayed(this, 66);
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}
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}
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}
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