diff options
Diffstat (limited to 'src/com/android/dreams/phototable/Table.java')
| -rw-r--r-- | src/com/android/dreams/phototable/Table.java | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/src/com/android/dreams/phototable/Table.java b/src/com/android/dreams/phototable/Table.java deleted file mode 100644 index d673175..0000000 --- a/src/com/android/dreams/phototable/Table.java +++ /dev/null @@ -1,448 +0,0 @@ -/* - * Copyright (C) 2012 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. - */ -package com.android.dreams.phototable; - -import android.service.dreams.Dream; -import android.content.Context; -import android.content.res.Resources; -import android.graphics.Bitmap; -import android.graphics.BitmapFactory; -import android.graphics.PointF; -import android.graphics.drawable.BitmapDrawable; -import android.graphics.drawable.Drawable; -import android.graphics.drawable.LayerDrawable; -import android.os.AsyncTask; -import android.util.AttributeSet; -import android.util.Log; -import android.view.LayoutInflater; -import android.view.MotionEvent; -import android.view.View; -import android.view.animation.DecelerateInterpolator; -import android.widget.FrameLayout; -import android.widget.FrameLayout.LayoutParams; -import android.widget.ImageView; - -import java.util.LinkedList; -import java.util.Random; - -/** - * A surface where photos sit. - */ -public class Table extends FrameLayout { - private static final String TAG = "PhotoTable.Table"; - private static final boolean DEBUG = false; - - class Launcher implements Runnable { - private final Table mTable; - public Launcher(Table table) { - mTable = table; - } - - @Override - public void run() { - mTable.scheduleNext(mDropPeriod); - mTable.launch(); - } - } - - private static final long MAX_SELECTION_TIME = 10000L; - private static Random sRNG = new Random(); - - private final Launcher mLauncher; - private final LinkedList<View> mOnTable; - private final Dream mDream; - private final int mDropPeriod; - private final int mFastDropPeriod; - private final int mNowDropDelay; - private final float mImageRatio; - private final float mTableRatio; - private final float mImageRotationLimit; - private final boolean mTapToExit; - private final int mTableCapacity; - private final int mInset; - private final PhotoSourcePlexor mPhotoSource; - private final Resources mResources; - private PhotoLaunchTask mPhotoLaunchTask; - private boolean mStarted; - private boolean mIsLandscape; - private BitmapFactory.Options mOptions; - private int mLongSide; - private int mShortSide; - private int mWidth; - private int mHeight; - private View mSelected; - private long mSelectedTime; - - public Table(Dream dream, AttributeSet as) { - super(dream, as); - mDream = dream; - mResources = getResources(); - setBackground(mResources.getDrawable(R.drawable.table)); - mInset = mResources.getDimensionPixelSize(R.dimen.photo_inset); - mDropPeriod = mResources.getInteger(R.integer.drop_period); - mFastDropPeriod = mResources.getInteger(R.integer.fast_drop); - mNowDropDelay = mResources.getInteger(R.integer.now_drop); - mImageRatio = mResources.getInteger(R.integer.image_ratio) / 1000000f; - mTableRatio = mResources.getInteger(R.integer.table_ratio) / 1000000f; - mImageRotationLimit = (float) mResources.getInteger(R.integer.max_image_rotation); - mTableCapacity = mResources.getInteger(R.integer.table_capacity); - mTapToExit = mResources.getBoolean(R.bool.enable_tap_to_exit); - mOnTable = new LinkedList<View>(); - mOptions = new BitmapFactory.Options(); - mOptions.inTempStorage = new byte[32768]; - mPhotoSource = new PhotoSourcePlexor(getContext()); - mLauncher = new Launcher(this); - mStarted = false; - } - - public boolean hasSelection() { - return mSelected != null; - } - - public View getSelected() { - return mSelected; - } - - public void clearSelection() { - mSelected = null; - } - - public void setSelection(View selected) { - assert(selected != null); - if (mSelected != null) { - dropOnTable(mSelected); - } - mSelected = selected; - mSelectedTime = System.currentTimeMillis(); - bringChildToFront(selected); - pickUp(selected); - } - - 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 PointF randFromCurve(float t, PointF[] v) { - PointF p = new PointF(); - if (v.length == 4 && t >= 0f && t <= 1f) { - float a = (float) Math.pow(1f-t, 3f); - float b = (float) Math.pow(1f-t, 2f) * t; - float c = (1f-t) * (float) Math.pow(t, 2f); - float d = (float) Math.pow(t, 3f); - - p.x = a * v[0].x + 3 * b * v[1].x + 3 * c * v[2].x + d * v[3].x; - p.y = a * v[0].y + 3 * b * v[1].y + 3 * c * v[2].y + d * v[3].y; - } - return p; - } - - private static PointF randInCenter(float i, float j, int width, int height) { - log("randInCenter (" + i + ", " + j + ", " + width + ", " + height + ")"); - PointF p = new PointF(); - p.x = 0.5f * width + 0.15f * width * i; - p.y = 0.5f * height + 0.15f * height * j; - log("randInCenter returning " + p.x + "," + p.y); - return p; - } - - @Override - public boolean onTouchEvent(MotionEvent event) { - if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { - if (hasSelection()) { - dropOnTable(getSelected()); - clearSelection(); - } else { - if (mTapToExit) { - mDream.finish(); - } - } - return true; - } - return false; - } - - @Override - public void onLayout(boolean changed, int left, int top, int right, int bottom) { - super.onLayout(changed, left, top, right, bottom); - log("onLayout (" + left + ", " + top + ", " + right + ", " + bottom + ")"); - - mHeight = bottom - top; - mWidth = right - left; - - mLongSide = (int) (mImageRatio * Math.max(mWidth, mHeight)); - mShortSide = (int) (mImageRatio * Math.min(mWidth, mHeight)); - - boolean isLandscape = mWidth > mHeight; - if (mIsLandscape != isLandscape) { - for (View photo: mOnTable) { - if (photo == getSelected()) { - pickUp(photo); - } else { - dropOnTable(photo); - } - } - mIsLandscape = isLandscape; - } - start(); - } - - @Override - public boolean isOpaque() { - return true; - } - - private class PhotoLaunchTask extends AsyncTask<Void, Void, View> { - private int mTries; - public PhotoLaunchTask() { - mTries = 0; - } - - @Override - public View doInBackground(Void... unused) { - log("load a new photo"); - LayoutInflater inflater = (LayoutInflater) Table.this.getContext() - .getSystemService(Context.LAYOUT_INFLATER_SERVICE); - View photo = inflater.inflate(R.layout.photo, null); - ImageView image = (ImageView) photo; - Drawable[] layers = new Drawable[2]; - Bitmap decodedPhoto = Table.this.mPhotoSource.next(Table.this.mOptions, - Table.this.mLongSide, Table.this.mShortSide); - int photoWidth = Table.this.mOptions.outWidth; - int photoHeight = Table.this.mOptions.outHeight; - if (Table.this.mOptions.outWidth <= 0 || Table.this.mOptions.outHeight <= 0) { - photo = null; - } else { - layers[0] = new BitmapDrawable(Table.this.mResources, decodedPhoto); - layers[1] = Table.this.mResources.getDrawable(R.drawable.frame); - LayerDrawable layerList = new LayerDrawable(layers); - layerList.setLayerInset(0, Table.this.mInset, Table.this.mInset, - Table.this.mInset, Table.this.mInset); - image.setImageDrawable(layerList); - - photo.setTag(R.id.photo_width, new Integer(photoWidth)); - photo.setTag(R.id.photo_height, new Integer(photoHeight)); - - photo.setOnTouchListener(new PhotoTouchListener(Table.this.getContext(), - Table.this)); - } - - return photo; - } - - @Override - public void onPostExecute(View photo) { - if (photo != null) { - Table.this.addView(photo, new LayoutParams(LayoutParams.WRAP_CONTENT, - LayoutParams.WRAP_CONTENT)); - if (Table.this.hasSelection()) { - Table.this.bringChildToFront(Table.this.getSelected()); - } - int width = ((Integer) photo.getTag(R.id.photo_width)).intValue(); - int height = ((Integer) photo.getTag(R.id.photo_height)).intValue(); - - log("drop it"); - Table.this.throwOnTable(photo); - - if(Table.this.mOnTable.size() < Table.this.mTableCapacity) { - Table.this.scheduleNext(Table.this.mFastDropPeriod); - } - } else if (mTries < 3) { - mTries++; - this.execute(); - } - } - }; - - public void launch() { - log("launching"); - setSystemUiVisibility(View.STATUS_BAR_HIDDEN); - if (hasSelection() && - (System.currentTimeMillis() - mSelectedTime) > MAX_SELECTION_TIME) { - dropOnTable(getSelected()); - clearSelection(); - } else { - log("inflate it"); - if (mPhotoLaunchTask == null || - mPhotoLaunchTask.getStatus() == AsyncTask.Status.FINISHED) { - mPhotoLaunchTask = new PhotoLaunchTask(); - mPhotoLaunchTask.execute(); - } - } - } - public void fadeAway(final View photo, final boolean replace) { - // fade out of view - mOnTable.remove(photo); - photo.animate().cancel(); - photo.animate() - .withLayer() - .alpha(0f) - .setDuration(1000) - .withEndAction(new Runnable() { - @Override - public void run() { - removeView(photo); - recycle(photo); - if (replace) { - scheduleNext(mNowDropDelay); - } - } - }); - } - - public void moveToBackOfQueue(View photo) { - // make this photo the last to be removed. - bringChildToFront(photo); - invalidate(); - mOnTable.remove(photo); - mOnTable.offer(photo); - } - - private void throwOnTable(final View photo) { - mOnTable.offer(photo); - log("start offscreen"); - int width = ((Integer) photo.getTag(R.id.photo_width)); - int height = ((Integer) photo.getTag(R.id.photo_height)); - photo.setRotation(-100.0f); - photo.setX(-mLongSide); - photo.setY(-mLongSide); - dropOnTable(photo); - } - - public void dropOnTable(final View photo) { - float angle = randfrange(-mImageRotationLimit, mImageRotationLimit); - PointF p = randInCenter((float) sRNG.nextGaussian(), (float) sRNG.nextGaussian(), - mWidth, mHeight); - float x = p.x; - float y = p.y; - - log("drop it at " + x + ", " + y); - - float x0 = photo.getX(); - float y0 = photo.getY(); - float width = (float) ((Integer) photo.getTag(R.id.photo_width)).intValue(); - float height = (float) ((Integer) photo.getTag(R.id.photo_height)).intValue(); - - x -= mTableRatio * mLongSide / 2f; - y -= mTableRatio * mLongSide / 2f; - log("fixed offset is " + x + ", " + y); - - float dx = x - x0; - float dy = y - y0; - - float dist = (float) (Math.sqrt(dx * dx + dy * dy)); - int duration = (int) (1000f * dist / 400f); - duration = Math.max(duration, 1000); - - log("animate it"); - // toss onto table - photo.animate() - .withLayer() - .scaleX(mTableRatio / mImageRatio) - .scaleY(mTableRatio / mImageRatio) - .rotation(angle) - .x(x) - .y(y) - .setDuration(duration) - .setInterpolator(new DecelerateInterpolator(3f)) - .withEndAction(new Runnable() { - @Override - public void run() { - while (mOnTable.size() > mTableCapacity) { - fadeAway(mOnTable.poll(), false); - } - } - }); - } - - /** wrap all orientations to the interval [-180, 180). */ - private float wrapAngle(float angle) { - float result = angle + 180; - result = ((result % 360) + 360) % 360; // catch negative numbers - result -= 180; - return result; - } - - private void pickUp(final View photo) { - float photoWidth = photo.getWidth(); - float photoHeight = photo.getHeight(); - - float scale = Math.min(getHeight() / photoHeight, getWidth() / photoWidth); - - log("target it"); - float x = (getWidth() - photoWidth) / 2f; - float y = (getHeight() - photoHeight) / 2f; - - float x0 = photo.getX(); - float y0 = photo.getY(); - float dx = x - x0; - float dy = y - y0; - - float dist = (float) (Math.sqrt(dx * dx + dy * dy)); - int duration = (int) (1000f * dist / 1000f); - duration = Math.max(duration, 500); - - photo.setRotation(wrapAngle(photo.getRotation())); - - log("animate it"); - // toss onto table - photo.animate() - .withLayer() - .rotation(0f) - .scaleX(scale) - .scaleY(scale) - .x(x) - .y(y) - .setDuration(duration) - .setInterpolator(new DecelerateInterpolator(2f)) - .withEndAction(new Runnable() { - @Override - public void run() { - log("endtimes: " + photo.getX()); - } - }); - } - - private void recycle(View photo) { - ImageView image = (ImageView) photo; - LayerDrawable layers = (LayerDrawable) image.getDrawable(); - BitmapDrawable bitmap = (BitmapDrawable) layers.getDrawable(0); - bitmap.getBitmap().recycle(); - } - - public void start() { - if (!mStarted) { - log("kick it"); - mStarted = true; - scheduleNext(mDropPeriod); - launch(); - } - } - - public void scheduleNext(int delay) { - removeCallbacks(mLauncher); - postDelayed(mLauncher, delay); - } - - private static void log(String message) { - if (DEBUG) { - Log.i(TAG, message); - } - } -} |