+++ /dev/null
-/*);
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// TODO:
-// background stellar matter:
-// - add some slow horizontal parallax motion, or perhaps veeeeery gradual outward drift
-
-package com.android.launcher2;
-
-import android.animation.AnimatorSet;
-import android.animation.TimeAnimator;
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-import android.graphics.Bitmap;
-import android.graphics.Point;
-import android.graphics.Rect;
-import android.os.Handler;
-import android.support.v13.dreams.BasicDream;
-import android.util.AttributeSet;
-import android.util.DisplayMetrics;
-import android.view.MotionEvent;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.FrameLayout;
-import android.widget.ImageView;
-
-import com.android.launcher.R;
-
-import java.util.HashMap;
-import java.util.Random;
-
-public class RocketLauncher extends BasicDream {
- public static final boolean ROCKET_LAUNCHER = true;
-
- public static class Board extends FrameLayout
- {
- public static final boolean FIXED_STARS = true;
- public static final boolean FLYING_STARS = true;
- public static final int NUM_ICONS = 20;
-
- public static final float MANEUVERING_THRUST_SCALE = 0.1f; // tenth speed
- private boolean mManeuveringThrusters = false;
- private float mSpeedScale = 1.0f;
-
- public static final int LAUNCH_ZOOM_TIME = 400; // ms
-
- HashMap<ComponentName, Bitmap> mIcons;
- ComponentName[] mComponentNames;
-
- static Random sRNG = new Random();
-
- static float lerp(float a, float b, float f) {
- return (b-a)*f + a;
- }
-
- static float randfrange(float a, float b) {
- return lerp(a, b, sRNG.nextFloat());
- }
-
- static int randsign() {
- return sRNG.nextBoolean() ? 1 : -1;
- }
-
- static <E> E pick(E[] array) {
- if (array.length == 0) return null;
- return array[sRNG.nextInt(array.length)];
- }
-
- public class FlyingIcon extends ImageView {
- public static final float VMAX = 1000.0f;
- public static final float VMIN = 100.0f;
- public static final float ANGULAR_VMAX = 45f;
- public static final float ANGULAR_VMIN = 0f;
- public static final float SCALE_MIN = 0.5f;
- public static final float SCALE_MAX = 4f;
-
- public float v, vr;
-
- public final float[] hsv = new float[3];
-
- public float angle, anglex, angley;
- public float fuse;
- public float dist;
- public float endscale;
- public float boardCenterX, boardCenterY;
-
- public ComponentName component;
-
- public FlyingIcon(Context context, AttributeSet as) {
- super(context, as);
- setLayerType(View.LAYER_TYPE_HARDWARE, null);
-
- setBackgroundResource(R.drawable.flying_icon_bg);
- //android.util.Log.d("RocketLauncher", "ctor: " + this);
- hsv[1] = 1f;
- hsv[2] = 1f;
- }
-
- @Override
- public boolean onTouchEvent(MotionEvent event) {
- if (!mManeuveringThrusters || component == null) {
- return false;
- }
- if (getAlpha() < 0.5f) {
- setPressed(false);
- return false;
- }
-
- switch (event.getAction()) {
- case MotionEvent.ACTION_DOWN:
- setPressed(true);
- Board.this.resetWarpTimer();
- break;
- case MotionEvent.ACTION_MOVE:
- final Rect hit = new Rect();
- final Point offset = new Point();
- getGlobalVisibleRect(hit, offset);
- final int globx = (int) event.getX() + offset.x;
- final int globy = (int) event.getY() + offset.y;
- setPressed(hit.contains(globx, globy));
- Board.this.resetWarpTimer();
- break;
- case MotionEvent.ACTION_UP:
- if (isPressed()) {
- setPressed(false);
- postDelayed(new Runnable() {
- public void run() {
- try {
- getContext().startActivity(new Intent(Intent.ACTION_MAIN)
- .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
- .setComponent(component));
- } catch (android.content.ActivityNotFoundException e) {
- } catch (SecurityException e) {
- }
- }
- }, LAUNCH_ZOOM_TIME);
- endscale = 0;
- AnimatorSet s = LauncherAnimUtils.createAnimatorSet();
- s.playTogether(
- LauncherAnimUtils.ofFloat(this, "scaleX", 15f),
- LauncherAnimUtils.ofFloat(this, "scaleY", 15f),
- LauncherAnimUtils.ofFloat(this, "alpha", 0f)
- );
-
- // make sure things are still moving until the very last instant the
- // activity is visible
- s.setDuration((int)(LAUNCH_ZOOM_TIME * 1.25));
- s.setInterpolator(new android.view.animation.AccelerateInterpolator(3));
- s.start();
- }
- break;
- }
- return true;
- }
-
- public String toString() {
- return String.format("<'%s' @ (%.1f, %.1f) v=%.1f a=%.1f dist/fuse=%.1f/%.1f>",
- "icon", getX(), getY(), v, angle, dist, fuse);
- }
-
- public void randomizeIcon() {
- component = pick(mComponentNames);
- setImageBitmap(mIcons.get(component));
- }
-
- public void randomize() {
- v = randfrange(VMIN, VMAX);
- angle = randfrange(0, 360f);
- anglex = (float) Math.sin(angle / 180. * Math.PI);
- angley = (float) Math.cos(angle / 180. * Math.PI);
- vr = randfrange(ANGULAR_VMIN, ANGULAR_VMAX) * randsign();
- endscale = randfrange(SCALE_MIN, SCALE_MAX);
-
- randomizeIcon();
- }
- public void reset() {
- randomize();
- boardCenterX = (Board.this.getWidth() - getWidth()) / 2;
- boardCenterY = (Board.this.getHeight() - getHeight()) / 2;
- setX(boardCenterX);
- setY(boardCenterY);
- fuse = (float) Math.max(boardCenterX, boardCenterY);
- setRotation(180-angle);
- setScaleX(0f);
- setScaleY(0f);
- dist = 0;
- setAlpha(0f);
- }
- public void update(float dt) {
- dist += v * dt;
- setX(getX() + anglex * v * dt);
- setY(getY() + angley * v * dt);
- //setRotation(getRotation() + vr * dt);
- if (endscale > 0) {
- float scale = lerp(0, endscale, (float) Math.sqrt(dist / fuse));
- setScaleX(scale * lerp(1f, 0.75f, (float) Math.pow((v-VMIN)/(VMAX-VMIN),3)));
- setScaleY(scale * lerp(1f, 1.5f, (float) Math.pow((v-VMIN)/(VMAX-VMIN),3)));
- final float q1 = fuse*0.15f;
- final float q4 = fuse*0.75f;
- if (dist < q1) {
- setAlpha((float) Math.sqrt(dist/q1));
- } else if (dist > q4) {
- setAlpha((dist >= fuse) ? 0f : (1f-(float)Math.pow((dist-q4)/(fuse-q4),2)));
- } else {
- setAlpha(1f);
- }
- }
- }
- }
-
- public class FlyingStar extends FlyingIcon {
- public FlyingStar(Context context, AttributeSet as) {
- super(context, as);
- }
- public void randomizeIcon() {
- setImageResource(R.drawable.widget_resize_handle_bottom);
- }
- public void randomize() {
- super.randomize();
- v = randfrange(VMAX*0.75f, VMAX*2f); // fasticate
- endscale = randfrange(1f, 2f); // ensmallen
- }
- }
-
- TimeAnimator mAnim;
-
- public Board(Context context, AttributeSet as) {
- super(context, as);
-
- setBackgroundColor(0xFF000000);
-
- LauncherApplication app = (LauncherApplication)context.getApplicationContext();
- mIcons = app.getIconCache().getAllIcons();
- mComponentNames = new ComponentName[mIcons.size()];
- mComponentNames = mIcons.keySet().toArray(mComponentNames);
- }
-
- private void reset() {
- removeAllViews();
-
- final ViewGroup.LayoutParams wrap = new ViewGroup.LayoutParams(
- ViewGroup.LayoutParams.WRAP_CONTENT,
- ViewGroup.LayoutParams.WRAP_CONTENT);
-
- if (FIXED_STARS) {
- for(int i=0; i<20; i++) {
- ImageView fixedStar = new ImageView(getContext(), null);
- fixedStar.setImageResource(R.drawable.widget_resize_handle_bottom);
- final float s = randfrange(0.25f, 0.75f);
- fixedStar.setScaleX(s);
- fixedStar.setScaleY(s);
- fixedStar.setAlpha(0.75f);
- addView(fixedStar, wrap);
- fixedStar.setX(randfrange(0, getWidth()));
- fixedStar.setY(randfrange(0, getHeight()));
- }
- }
-
- for(int i=0; i<NUM_ICONS*2; i++) {
- FlyingIcon nv = (FLYING_STARS && (i < NUM_ICONS))
- ? new FlyingStar(getContext(), null)
- : new FlyingIcon(getContext(), null);
- addView(nv, wrap);
- nv.reset();
- }
-
- mAnim = new TimeAnimator();
- mAnim.setTimeListener(new TimeAnimator.TimeListener() {
- public void onTimeUpdate(TimeAnimator animation, long totalTime, long deltaTime) {
- // setRotation(totalTime * 0.01f); // not as cool as you would think
-
- final int START_ZOOM_TIME = 3000;
- if (totalTime < START_ZOOM_TIME) {
- final float x = totalTime/(float)START_ZOOM_TIME;
- final float s = 1f-(float)Math.pow(x-1, 4);
- setScaleX(s); setScaleY(s);
- } else {
- setScaleX(1.0f); setScaleY(1.0f);
- }
-
- if (mManeuveringThrusters) {
- if (mSpeedScale > MANEUVERING_THRUST_SCALE) {
- mSpeedScale -= (2*deltaTime/1000f);
- }
- if (mSpeedScale < MANEUVERING_THRUST_SCALE) {
- mSpeedScale = MANEUVERING_THRUST_SCALE;
- }
- } else {
- if (mSpeedScale < 1.0f) {
- mSpeedScale += (deltaTime/1000f);
- }
- if (mSpeedScale > 1.0f) {
- mSpeedScale = 1.0f;
- }
- }
-
- for (int i=0; i<getChildCount(); i++) {
- View v = getChildAt(i);
- if (!(v instanceof FlyingIcon)) continue;
- FlyingIcon nv = (FlyingIcon) v;
- nv.update(deltaTime / 1000f * mSpeedScale);
- final float scaledWidth = nv.getWidth() * nv.getScaleX();
- final float scaledHeight = nv.getHeight() * nv.getScaleY();
- if ( nv.getX() + scaledWidth < 0
- || nv.getX() - scaledWidth > getWidth()
- || nv.getY() + scaledHeight < 0
- || nv.getY() - scaledHeight > getHeight())
- {
- nv.reset();
- }
- }
- }
- });
- }
-
- @Override
- protected void onAttachedToWindow() {
- super.onAttachedToWindow();
- setLayerType(View.LAYER_TYPE_HARDWARE, null);
- setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
-
- reset();
- mAnim.start();
- }
-
- protected void onSizeChanged (int w, int h, int oldw, int oldh) {
- super.onSizeChanged(w,h,oldw,oldh);
- mAnim.cancel();
- reset();
- mAnim.start();
- }
-
-
- @Override
- protected void onDetachedFromWindow() {
- super.onDetachedFromWindow();
- mAnim.cancel();
- }
-
- @Override
- public boolean isOpaque() {
- return true;
- }
-
- @Override
- public boolean onInterceptTouchEvent(MotionEvent e) {
- // we want to eat touch events ourselves if we're in warp speed
- return (!(ROCKET_LAUNCHER && mManeuveringThrusters));
- }
-
- final Runnable mEngageWarp = new Runnable() {
- @Override
- public void run() {
- mManeuveringThrusters = false;
- }
- };
- public void resetWarpTimer() {
- final Handler h = getHandler();
- h.removeCallbacks(mEngageWarp);
- h.postDelayed(mEngageWarp, 5000);
- }
-
- @Override
- public boolean onTouchEvent(MotionEvent event) {
- if (!ROCKET_LAUNCHER) {
- return true;
- }
-
- if (event.getAction() == MotionEvent.ACTION_DOWN) {
- if (!mManeuveringThrusters) {
- mManeuveringThrusters = true;
- resetWarpTimer();
- return true;
- }
- }
-
- return false;
- }
- }
-
- @Override
- public void onStart() {
- super.onStart();
-
- DisplayMetrics metrics = new DisplayMetrics();
- getWindowManager().getDefaultDisplay().getMetrics(metrics);
- final int longside = metrics.widthPixels > metrics.heightPixels
- ? metrics.widthPixels : metrics.heightPixels;
-
- Board b = new Board(this, null);
- setContentView(b, new ViewGroup.LayoutParams(longside, longside));
- b.setX((metrics.widthPixels - longside) / 2);
- b.setY((metrics.heightPixels - longside) / 2);
- }
-
- @Override
- public void onUserInteraction() {
- if (!ROCKET_LAUNCHER) {
- finish();
- }
- }
-}
OSDN Git Service
