| /* |
| * Copyright (C) 2008 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.rollo; |
| |
| import java.io.Writer; |
| import java.util.ArrayList; |
| import java.util.concurrent.Semaphore; |
| import java.lang.Float; |
| |
| import android.renderscript.RSSurfaceView; |
| import android.renderscript.RenderScript; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.Surface; |
| import android.view.SurfaceHolder; |
| import android.view.SurfaceView; |
| import android.view.KeyEvent; |
| import android.view.MotionEvent; |
| import android.graphics.PixelFormat; |
| |
| |
| public class RolloView extends RSSurfaceView { |
| public RolloView(Context context) { |
| super(context); |
| setFocusable(true); |
| getHolder().setFormat(PixelFormat.TRANSLUCENT); |
| } |
| |
| private RenderScript mRS; |
| private RolloRS mRender; |
| |
| public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { |
| super.surfaceChanged(holder, format, w, h); |
| |
| mRS = createRenderScript(); |
| mRender = new RolloRS(); |
| mRender.init(mRS, getResources(), w, h); |
| } |
| |
| @Override |
| public boolean onKeyDown(int keyCode, KeyEvent event) |
| { |
| // break point at here |
| // this method doesn't work when 'extends View' include 'extends ScrollView'. |
| return super.onKeyDown(keyCode, event); |
| } |
| |
| boolean mControlMode = false; |
| boolean mZoomMode = false; |
| boolean mFlingMode = false; |
| float mFlingX = 0; |
| float mFlingY = 0; |
| float mColumn = -1; |
| float mOldColumn; |
| float mZoom = 1; |
| |
| int mIconCount = 29; |
| int mRows = 4; |
| int mColumns = (mIconCount + mRows - 1) / mRows; |
| |
| float mMaxZoom = ((float)mColumns) / 3.f; |
| |
| |
| void setColumn(boolean clamp) |
| { |
| //Log.e("rs", " col = " + Float.toString(mColumn)); |
| float c = mColumn; |
| if(c > (mColumns -2)) { |
| c = (mColumns -2); |
| } |
| if(c < 1) { |
| c = 1; |
| } |
| mRender.setPosition(c); |
| if(clamp) { |
| mColumn = c; |
| } |
| } |
| |
| void computeSelection(float x, float y) |
| { |
| float col = mColumn + (x - 0.5f) * 4 + 1; |
| int iCol = (int)(col + 0.25f); |
| |
| float row = (y / 0.8f) * mRows; |
| int iRow = (int)(row - 0.25f); |
| |
| mRender.setSelected(iCol * mRows + iRow); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent ev) |
| { |
| boolean ret = true; |
| int act = ev.getAction(); |
| if (act == ev.ACTION_UP) { |
| ret = false; |
| } |
| |
| float nx = ev.getX() / getWidth(); |
| float ny = ev.getY() / getHeight(); |
| |
| mRender.setTouch(ret); |
| |
| if((ny > 0.85f) || mControlMode) { |
| mFlingMode = false; |
| |
| // Projector control |
| if((nx > 0.2f) && (nx < 0.8f) || mControlMode) { |
| if(act != ev.ACTION_UP) { |
| float zoom = mMaxZoom; |
| if(mControlMode) { |
| if(!mZoomMode) { |
| zoom = 1.f; |
| } |
| float dx = nx - mFlingX; |
| |
| if((ny < 0.9) && mZoomMode) { |
| zoom = mMaxZoom - ((0.9f - ny) * 10.f); |
| if(zoom < 1) { |
| zoom = 1; |
| mZoomMode = false; |
| } |
| mOldColumn = mColumn; |
| } |
| mColumn += dx * 4;// * zoom; |
| if(zoom > 1.01f) { |
| mColumn += (mZoom - zoom) * (nx - 0.5f) * 4 * zoom; |
| } |
| } else { |
| mOldColumn = mColumn; |
| mColumn = ((float)mColumns) / 2; |
| mControlMode = true; |
| mZoomMode = true; |
| } |
| mZoom = zoom; |
| mFlingX = nx; |
| mRender.setZoom(zoom); |
| if(mZoom < 1.01f) { |
| computeSelection(nx, ny); |
| } |
| } else { |
| mControlMode = false; |
| mColumn = mOldColumn; |
| mRender.setZoom(1.f); |
| mRender.setSelected(-1); |
| } |
| } else { |
| // Do something with corners here.... |
| } |
| setColumn(true); |
| |
| } else { |
| // icon control |
| if(act != ev.ACTION_UP) { |
| if(mFlingMode) { |
| mColumn += (mFlingX - nx) * 4; |
| setColumn(true); |
| } |
| mFlingMode = true; |
| mFlingX = nx; |
| mFlingY = ny; |
| } else { |
| mFlingMode = false; |
| } |
| } |
| |
| |
| return ret; |
| } |
| |
| @Override |
| public boolean onTrackballEvent(MotionEvent ev) |
| { |
| float x = ev.getX(); |
| float y = ev.getY(); |
| //Float tx = new Float(x); |
| //Float ty = new Float(y); |
| //Log.e("rs", "tbe " + tx.toString() + ", " + ty.toString()); |
| |
| |
| return true; |
| } |
| |
| } |
| |
| |