| /* |
| * 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.launcher2; |
| |
| 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.renderscript.RenderScript; |
| import android.renderscript.ProgramVertex; |
| import android.renderscript.Element; |
| import android.renderscript.Allocation; |
| import android.renderscript.Type; |
| import android.renderscript.Script; |
| import android.renderscript.ScriptC; |
| import android.renderscript.ProgramFragment; |
| import android.renderscript.ProgramStore; |
| import android.renderscript.Sampler; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.database.DataSetObserver; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.SystemClock; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.KeyEvent; |
| import android.view.MotionEvent; |
| import android.view.Surface; |
| import android.view.SurfaceHolder; |
| import android.view.SurfaceView; |
| import android.view.View; |
| import android.view.VelocityTracker; |
| import android.view.ViewConfiguration; |
| import android.graphics.PixelFormat; |
| |
| |
| public class AllAppsView extends RSSurfaceView |
| implements View.OnClickListener, View.OnLongClickListener, DragSource { |
| private static final String TAG = "Launcher.AllAppsView"; |
| |
| /** Bit for mLocks for when there are icons being loaded. */ |
| private static final int LOCK_ICONS_PENDING = 1; |
| |
| /** Bit for mLocks for when the enter/exit is going. */ |
| private static final int LOCK_ZOOMING = 2; |
| |
| private Launcher mLauncher; |
| private DragController mDragController; |
| |
| /** When this is 0, modifications are allowed, when it's not, they're not. |
| * TODO: What about scrolling? */ |
| private int mLocks = LOCK_ICONS_PENDING; |
| |
| private RenderScript mRS; |
| private RolloRS mRollo; |
| private ArrayList<ApplicationInfo> mAllAppsList; |
| |
| private ViewConfiguration mConfig; |
| private int mPageCount; |
| private boolean mStartedScrolling; |
| private VelocityTracker mVelocity; |
| private int mLastMotionX; |
| private int mMotionDownRawX; |
| private int mMotionDownRawY; |
| private int mScrollHandleTop; |
| private long mTouchTime; |
| |
| static class Defines { |
| private static float farSize(float sizeAt0) { |
| return sizeAt0 * (Defines.RADIUS - Defines.CAMERA_Z) / -Defines.CAMERA_Z; |
| } |
| |
| public static final int ALLOC_PARAMS = 0; |
| public static final int ALLOC_STATE = 1; |
| public static final int ALLOC_ICON_IDS = 2; |
| public static final int ALLOC_LABEL_IDS = 3; |
| public static final int ALLOC_X_BORDERS = 4; |
| public static final int ALLOC_Y_BORDERS = 5; |
| |
| public static final int COLUMNS_PER_PAGE = 4; |
| public static final int ROWS_PER_PAGE = 4; |
| |
| public static final float RADIUS = 4.0f; |
| |
| public static final int SCREEN_WIDTH_PX = 480; |
| public static final int SCREEN_HEIGHT_PX = 854; |
| |
| public static final int ICON_WIDTH_PX = 64; |
| public static final int ICON_TEXTURE_WIDTH_PX = 128; |
| |
| public static final int ICON_HEIGHT_PX = 64; |
| public static final int ICON_TEXTURE_HEIGHT_PX = 128; |
| public static final float ICON_TOP_OFFSET = 0.2f; |
| |
| public static final float CAMERA_Z = -2; |
| public static final float FAR_ICON_SIZE |
| = farSize(2 * ICON_WIDTH_PX / (float)SCREEN_WIDTH_PX); |
| } |
| |
| public AllAppsView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| setFocusable(true); |
| getHolder().setFormat(PixelFormat.TRANSLUCENT); |
| mConfig = ViewConfiguration.get(context); |
| setOnClickListener(this); |
| setOnLongClickListener(this); |
| setOnTop(true); |
| getHolder().setFormat(PixelFormat.TRANSLUCENT); |
| } |
| |
| public AllAppsView(Context context, AttributeSet attrs, int defStyle) { |
| this(context, attrs); |
| } |
| |
| public void setLauncher(Launcher launcher) { |
| mLauncher = launcher; |
| } |
| |
| @Override |
| public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { |
| super.surfaceChanged(holder, format, w, h); |
| |
| long startTime = SystemClock.uptimeMillis(); |
| |
| mRS = createRenderScript(true); |
| mRollo = new RolloRS(); |
| mRollo.init(getResources(), w, h); |
| if (mAllAppsList != null) { |
| mRollo.setApps(mAllAppsList); |
| Log.d(TAG, "surfaceChanged... calling mRollo.setApps"); |
| } |
| |
| Resources res = getContext().getResources(); |
| int barHeight = (int)res.getDimension(R.dimen.button_bar_height); |
| mScrollHandleTop = h - barHeight; |
| |
| long endTime = SystemClock.uptimeMillis(); |
| Log.d(TAG, "surfaceChanged took " + (endTime-startTime) + "ms"); |
| } |
| |
| @Override |
| public boolean onKeyDown(int keyCode, KeyEvent event) |
| { |
| // this method doesn't work when 'extends View' include 'extends ScrollView'. |
| return super.onKeyDown(keyCode, event); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent ev) |
| { |
| if (mRollo.mState.visible == 0) { |
| return true; |
| } |
| |
| if (mLocks != 0) { |
| return true; |
| } |
| |
| super.onTouchEvent(ev); |
| |
| int x = (int)ev.getX(); |
| int deltaX; |
| switch (ev.getAction()) { |
| case MotionEvent.ACTION_DOWN: |
| mMotionDownRawX = (int)ev.getRawX(); |
| mMotionDownRawY = (int)ev.getRawY(); |
| mLastMotionX = x; |
| mRollo.mState.read(); |
| |
| mRollo.mState.newPositionX = ev.getRawX() / Defines.SCREEN_WIDTH_PX; |
| mRollo.mState.newTouchDown = 1; |
| |
| if (mRollo.mState.readVel != 0) { |
| mRollo.clearSelectedIcon(); |
| } else { |
| mRollo.selectIcon(x, (int)ev.getY(), mRollo.mState.readPosX); |
| } |
| mRollo.mState.save(); |
| mRollo.mInvokeMove.execute(); |
| mVelocity = VelocityTracker.obtain(); |
| mVelocity.addMovement(ev); |
| mStartedScrolling = false; |
| break; |
| case MotionEvent.ACTION_MOVE: |
| case MotionEvent.ACTION_OUTSIDE: |
| int slop = Math.abs(x - mLastMotionX); |
| if (!mStartedScrolling && slop < mConfig.getScaledTouchSlop()) { |
| // don't update mLastMotionX so slop is right and when we do start scrolling |
| // below, we get the right delta. |
| } else { |
| |
| mRollo.mState.newPositionX = ev.getRawX() / Defines.SCREEN_WIDTH_PX; |
| mRollo.mState.newTouchDown = 1; |
| mRollo.mInvokeMove.execute(); |
| |
| mStartedScrolling = true; |
| mRollo.clearSelectedIcon(); |
| deltaX = x - mLastMotionX; |
| mVelocity.addMovement(ev); |
| mRollo.mState.save(); |
| mLastMotionX = x; |
| } |
| break; |
| case MotionEvent.ACTION_UP: |
| case MotionEvent.ACTION_CANCEL: |
| |
| mRollo.mState.newPositionX = ev.getRawX() / Defines.SCREEN_WIDTH_PX; |
| mRollo.mState.newTouchDown = 0; |
| |
| mVelocity.computeCurrentVelocity(1000 /* px/sec */, |
| mConfig.getScaledMaximumFlingVelocity()); |
| mRollo.mState.flingVelocityX = mVelocity.getXVelocity() / Defines.SCREEN_WIDTH_PX; |
| mRollo.clearSelectedIcon(); |
| mRollo.mState.save(); |
| mRollo.mInvokeFling.execute(); |
| mLastMotionX = -10000; |
| mVelocity.recycle(); |
| mVelocity = null; |
| break; |
| } |
| |
| return true; |
| } |
| |
| public void onClick(View v) { |
| if (mLocks != 0) { |
| return; |
| } |
| int index = mRollo.mState.selectedIconIndex; |
| if (mRollo.mState.flingVelocityX == 0 && index >= 0 && index < mAllAppsList.size()) { |
| ApplicationInfo app = mAllAppsList.get(index); |
| mLauncher.startActivitySafely(app.intent); |
| } |
| } |
| |
| public boolean onLongClick(View v) { |
| if (mLocks != 0) { |
| return true; |
| } |
| int index = mRollo.mState.selectedIconIndex; |
| Log.d(TAG, "long click! velocity=" + mRollo.mState.flingVelocityX + " index=" + index); |
| if (mRollo.mState.flingVelocityX == 0 && index >= 0 && index < mAllAppsList.size()) { |
| ApplicationInfo app = mAllAppsList.get(index); |
| |
| // We don't really have an accurate location to use. This will do. |
| int screenX = mMotionDownRawX - (Defines.ICON_WIDTH_PX / 2); |
| int screenY = mMotionDownRawY - Defines.ICON_HEIGHT_PX; |
| |
| int left = (Defines.ICON_TEXTURE_WIDTH_PX - Defines.ICON_WIDTH_PX) / 2; |
| int top = (Defines.ICON_TEXTURE_HEIGHT_PX - Defines.ICON_HEIGHT_PX) / 2; |
| mDragController.startDrag(app.iconBitmap, screenX, screenY, |
| left, top, Defines.ICON_WIDTH_PX, Defines.ICON_HEIGHT_PX, |
| this, app, DragController.DRAG_ACTION_COPY); |
| |
| mLauncher.closeAllApps(); |
| } |
| return true; |
| } |
| |
| public void setDragController(DragController dragger) { |
| mDragController = dragger; |
| } |
| |
| public void onDropCompleted(View target, boolean success) { |
| } |
| |
| public void setZoom(float v) { |
| mRollo.mState.zoom = v; |
| mRollo.mState.save(); |
| mRollo.mInvokeZoom.execute(); |
| } |
| |
| public void setScale(float amount) { |
| cancelLongPress(); |
| mRollo.mState.read(); |
| mRollo.clearSelectedIcon(); |
| if (amount > 0.001f) { |
| mRollo.mState.visible = 1; |
| mRollo.mState.zoom = amount; |
| } else { |
| mRollo.mState.visible = 0; |
| mRollo.mState.zoom = 0; |
| } |
| if (amount > 0.001f && amount < 0.999f) { |
| mLocks |= LOCK_ZOOMING; |
| } else { |
| mLocks &= ~LOCK_ZOOMING; |
| } |
| mRollo.mState.save(); |
| mRollo.mInvokeZoom.execute(); |
| } |
| |
| public boolean isZooming() { |
| return (mLocks & LOCK_ZOOMING) != 0; |
| } |
| |
| public boolean isVisible() { |
| return mRollo != null && mRollo.mState.visible != 0; |
| } |
| |
| @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; |
| } |
| |
| public void setApps(ArrayList<ApplicationInfo> list) { |
| mAllAppsList = list; |
| if (mRollo != null) { |
| mRollo.setApps(list); |
| } |
| mPageCount = countPages(list.size()); |
| Log.d(TAG, "setApps mRollo=" + mRollo + " list=" + list); |
| mLocks &= ~LOCK_ICONS_PENDING; |
| } |
| |
| private void invokeIcon(int index) { |
| Log.d(TAG, "launch it!!!! index=" + index); |
| } |
| |
| private static int countPages(int iconCount) { |
| int iconsPerPage = Defines.COLUMNS_PER_PAGE * Defines.ROWS_PER_PAGE; |
| int pages = iconCount / iconsPerPage; |
| if (pages*iconsPerPage != iconCount) { |
| pages++; |
| } |
| return pages; |
| } |
| |
| public class RolloRS { |
| |
| // Allocations ====== |
| |
| private int mWidth; |
| private int mHeight; |
| |
| private Resources mRes; |
| private Script mScript; |
| |
| private Script.Invokable mInvokeMove; |
| private Script.Invokable mInvokeFling; |
| private Script.Invokable mInvokeZoom; |
| |
| private Sampler mSampler; |
| private Sampler mSamplerText; |
| private ProgramStore mPSBackground; |
| private ProgramStore mPSText; |
| private ProgramFragment mPFDebug; |
| private ProgramFragment mPFImages; |
| private ProgramFragment mPFText; |
| private ProgramVertex mPV; |
| private ProgramVertex.MatrixAllocation mPVAlloc; |
| private ProgramVertex mPVOrtho; |
| private ProgramVertex.MatrixAllocation mPVOrthoAlloc; |
| |
| private Allocation mScrollHandle; |
| |
| private Allocation[] mIcons; |
| private int[] mIconIds; |
| private Allocation mAllocIconID; |
| |
| private Allocation[] mLabels; |
| private int[] mLabelIds; |
| private Allocation mAllocLabelID; |
| private Allocation mSelectedIcon; |
| |
| private int[] mTouchYBorders; |
| private Allocation mAllocTouchYBorders; |
| private int[] mTouchXBorders; |
| private Allocation mAllocTouchXBorders; |
| |
| private Bitmap mSelectionBitmap; |
| private Canvas mSelectionCanvas; |
| |
| Params mParams; |
| State mState; |
| |
| class BaseAlloc { |
| Allocation mAlloc; |
| Type mType; |
| |
| void save() { |
| mAlloc.data(this); |
| } |
| |
| void read() { |
| mAlloc.read(this); |
| } |
| } |
| |
| class Params extends BaseAlloc { |
| Params() { |
| mType = Type.createFromClass(mRS, Params.class, 1, "ParamsClass"); |
| mAlloc = Allocation.createTyped(mRS, mType); |
| save(); |
| } |
| public int bubbleWidth; |
| public int bubbleHeight; |
| public int bubbleBitmapWidth; |
| public int bubbleBitmapHeight; |
| public int scrollHandleId; |
| public int scrollHandleTextureWidth; |
| public int scrollHandleTextureHeight; |
| } |
| |
| class State extends BaseAlloc { |
| public float newPositionX; |
| public int newTouchDown; |
| public float readPosX; |
| public float readVel; |
| public float flingVelocityX; |
| public int iconCount; |
| public int scrollX; |
| public int selectedIconIndex = -1; |
| public int selectedIconTexture; |
| public int visible; |
| public float zoom; |
| |
| State() { |
| mType = Type.createFromClass(mRS, State.class, 1, "StateClass"); |
| mAlloc = Allocation.createTyped(mRS, mType); |
| save(); |
| } |
| } |
| |
| public RolloRS() { |
| } |
| |
| public void init(Resources res, int width, int height) { |
| mRes = res; |
| mWidth = width; |
| mHeight = height; |
| initGl(); |
| initData(); |
| initTouchState(); |
| initRs(); |
| } |
| |
| private void initGl() { |
| Sampler.Builder sb = new Sampler.Builder(mRS); |
| sb.setMin(Sampler.Value.LINEAR);//_MIP_LINEAR); |
| sb.setMag(Sampler.Value.LINEAR); |
| sb.setWrapS(Sampler.Value.CLAMP); |
| sb.setWrapT(Sampler.Value.CLAMP); |
| mSampler = sb.create(); |
| |
| sb.setMin(Sampler.Value.NEAREST); |
| sb.setMag(Sampler.Value.NEAREST); |
| mSamplerText = sb.create(); |
| |
| ProgramFragment.Builder dbg = new ProgramFragment.Builder(mRS, null, null); |
| mPFDebug = dbg.create(); |
| mPFDebug.setName("PFDebug"); |
| |
| ProgramFragment.Builder bf = new ProgramFragment.Builder(mRS, null, null); |
| bf.setTexEnable(true, 0); |
| bf.setTexEnvMode(ProgramFragment.EnvMode.MODULATE, 0); |
| mPFImages = bf.create(); |
| mPFImages.setName("PF"); |
| mPFImages.bindSampler(mSampler, 0); |
| |
| bf.setTexEnvMode(ProgramFragment.EnvMode.MODULATE, 0); |
| //mPFText = bf.create(); |
| mPFText = (new ProgramFragment.Builder(mRS, null, null)).create(); |
| mPFText.setName("PFText"); |
| mPFText.bindSampler(mSamplerText, 0); |
| |
| ProgramStore.Builder bs = new ProgramStore.Builder(mRS, null, null); |
| bs.setDepthFunc(ProgramStore.DepthFunc.ALWAYS); |
| bs.setDitherEnable(false); |
| bs.setDepthMask(true); |
| bs.setBlendFunc(ProgramStore.BlendSrcFunc.SRC_ALPHA, |
| ProgramStore.BlendDstFunc.ONE_MINUS_SRC_ALPHA); |
| mPSBackground = bs.create(); |
| mPSBackground.setName("PFS"); |
| |
| bs.setDepthFunc(ProgramStore.DepthFunc.ALWAYS); |
| bs.setDepthMask(false); |
| bs.setBlendFunc(ProgramStore.BlendSrcFunc.SRC_ALPHA, |
| ProgramStore.BlendDstFunc.ONE_MINUS_SRC_ALPHA); |
| mPSText = bs.create(); |
| mPSText.setName("PFSText"); |
| |
| mPVAlloc = new ProgramVertex.MatrixAllocation(mRS); |
| mPVAlloc.setupProjectionNormalized(mWidth, mHeight); |
| |
| ProgramVertex.Builder pvb = new ProgramVertex.Builder(mRS, null, null); |
| mPV = pvb.create(); |
| mPV.setName("PV"); |
| mPV.bindAllocation(mPVAlloc); |
| |
| mPVOrthoAlloc = new ProgramVertex.MatrixAllocation(mRS); |
| mPVOrthoAlloc.setupOrthoWindow(mWidth, mHeight); |
| |
| pvb.setTextureMatrixEnable(true); |
| mPVOrtho = pvb.create(); |
| mPVOrtho.setName("PVOrtho"); |
| mPVOrtho.bindAllocation(mPVOrthoAlloc); |
| |
| mRS.contextBindProgramVertex(mPV); |
| |
| mTouchXBorders = new int[Defines.COLUMNS_PER_PAGE+1]; |
| mAllocTouchXBorders = Allocation.createSized(mRS, Element.USER_I32, |
| mTouchXBorders.length); |
| mAllocTouchXBorders.data(mTouchXBorders); |
| |
| mTouchYBorders = new int[Defines.ROWS_PER_PAGE+1]; |
| mAllocTouchYBorders = Allocation.createSized(mRS, Element.USER_I32, |
| mTouchYBorders.length); |
| mAllocTouchYBorders.data(mTouchYBorders); |
| |
| Log.e("rs", "Done loading named"); |
| } |
| |
| private void initData() { |
| mParams = new Params(); |
| mState = new State(); |
| |
| final Utilities.BubbleText bubble = new Utilities.BubbleText(getContext()); |
| |
| mParams.bubbleWidth = bubble.getBubbleWidth(); |
| mParams.bubbleHeight = bubble.getMaxBubbleHeight(); |
| mParams.bubbleBitmapWidth = bubble.getBitmapWidth(); |
| mParams.bubbleBitmapHeight = bubble.getBitmapHeight(); |
| |
| mScrollHandle = Allocation.createFromBitmapResource(mRS, mRes, |
| R.drawable.all_apps_button_pow2, Element.RGBA_8888, false); |
| mScrollHandle.uploadToTexture(0); |
| mParams.scrollHandleId = mScrollHandle.getID(); |
| Log.d(TAG, "mParams.scrollHandleId=" + mParams.scrollHandleId); |
| mParams.scrollHandleTextureWidth = 128; |
| mParams.scrollHandleTextureHeight = 128; |
| |
| |
| mParams.save(); |
| mState.save(); |
| |
| mSelectionBitmap = Bitmap.createBitmap(Defines.ICON_TEXTURE_WIDTH_PX, |
| Defines.ICON_TEXTURE_HEIGHT_PX, Bitmap.Config.ARGB_8888); |
| mSelectionCanvas = new Canvas(mSelectionBitmap); |
| |
| Log.d(TAG, "initData calling mRollo.setApps"); |
| setApps(null); |
| } |
| |
| private void initRs() { |
| ScriptC.Builder sb = new ScriptC.Builder(mRS); |
| sb.setScript(mRes, R.raw.rollo); |
| sb.setRoot(true); |
| sb.addDefines(Defines.class); |
| sb.setType(mParams.mType, "params", Defines.ALLOC_PARAMS); |
| sb.setType(mState.mType, "state", Defines.ALLOC_STATE); |
| mInvokeMove = sb.addInvokable("move"); |
| mInvokeFling = sb.addInvokable("fling"); |
| mInvokeZoom = sb.addInvokable("setZoomTarget"); |
| mScript = sb.create(); |
| mScript.setClearColor(0.0f, 0.0f, 0.0f, 0.0f); |
| |
| mScript.bindAllocation(mParams.mAlloc, Defines.ALLOC_PARAMS); |
| mScript.bindAllocation(mState.mAlloc, Defines.ALLOC_STATE); |
| mScript.bindAllocation(mAllocIconID, Defines.ALLOC_ICON_IDS); |
| mScript.bindAllocation(mAllocLabelID, Defines.ALLOC_LABEL_IDS); |
| mScript.bindAllocation(mAllocTouchXBorders, Defines.ALLOC_X_BORDERS); |
| mScript.bindAllocation(mAllocTouchYBorders, Defines.ALLOC_Y_BORDERS); |
| |
| mRS.contextBindRootScript(mScript); |
| } |
| |
| private void setApps(ArrayList<ApplicationInfo> list) { |
| final int count = list != null ? list.size() : 0; |
| mIcons = new Allocation[count]; |
| mIconIds = new int[count]; |
| mAllocIconID = Allocation.createSized(mRS, Element.USER_I32, count); |
| |
| mLabels = new Allocation[count]; |
| mLabelIds = new int[count]; |
| mAllocLabelID = Allocation.createSized(mRS, Element.USER_I32, count); |
| |
| Element ie8888 = Element.RGBA_8888; |
| |
| Utilities.BubbleText bubble = new Utilities.BubbleText(getContext()); |
| |
| for (int i=0; i<count; i++) { |
| final ApplicationInfo item = list.get(i); |
| |
| mIcons[i] = Allocation.createFromBitmap(mRS, item.iconBitmap, |
| Element.RGBA_8888, false); |
| mLabels[i] = Allocation.createFromBitmap(mRS, item.titleBitmap, |
| Element.RGBA_8888, false); |
| |
| mIcons[i].uploadToTexture(0); |
| mLabels[i].uploadToTexture(0); |
| |
| mIconIds[i] = mIcons[i].getID(); |
| mLabelIds[i] = mLabels[i].getID(); |
| } |
| |
| mAllocIconID.data(mIconIds); |
| mAllocLabelID.data(mLabelIds); |
| |
| mState.iconCount = count; |
| |
| Log.d("AllAppsView", "mScript=" + mScript + " mAllocIconID=" + mAllocIconID); |
| |
| if (mScript != null) { // wtf |
| mScript.bindAllocation(mAllocIconID, Defines.ALLOC_ICON_IDS); |
| mScript.bindAllocation(mAllocLabelID, Defines.ALLOC_LABEL_IDS); |
| } |
| |
| mState.save(); |
| } |
| |
| void initTouchState() { |
| int width = getWidth(); |
| int height = getHeight(); |
| |
| int iconsSize; |
| if (width < height) { |
| iconsSize = width; |
| } else { |
| iconsSize = height; |
| } |
| int cellHeight = iconsSize / Defines.ROWS_PER_PAGE; |
| int cellWidth = iconsSize / Defines.COLUMNS_PER_PAGE; |
| |
| int centerY = (height / 2) - (int)(cellHeight * 0.35f); |
| mTouchYBorders[0] = centerY - (int)(2.4f * cellHeight); |
| mTouchYBorders[1] = centerY - (int)(1.15f * cellHeight); |
| mTouchYBorders[2] = centerY; |
| mTouchYBorders[3] = centerY + (int)(1.15f * cellHeight);; |
| mTouchYBorders[4] = centerY + (int)(2.4f * cellHeight); |
| |
| mAllocTouchYBorders.data(mTouchYBorders); |
| |
| int centerX = (width / 2); |
| mTouchXBorders[0] = centerX - (2 * cellWidth); |
| mTouchXBorders[1] = centerX - (int)(0.83f * cellWidth);; |
| mTouchXBorders[2] = centerX; |
| mTouchXBorders[3] = centerX + (int)(0.83f * cellWidth);; |
| mTouchXBorders[4] = centerX + (2 * cellWidth); |
| |
| mAllocTouchXBorders.data(mTouchXBorders); |
| } |
| |
| int chooseTappedIcon(int x, int y, float page) { |
| int currentPage = (int)page; |
| |
| int col = -1; |
| int row = -1; |
| |
| for (int i=0; i<Defines.COLUMNS_PER_PAGE; i++) { |
| if (x >= mTouchXBorders[i] && x < mTouchXBorders[i+1]) { |
| col = i; |
| break; |
| } |
| } |
| for (int i=0; i<Defines.ROWS_PER_PAGE; i++) { |
| if (y >= mTouchYBorders[i] && y < mTouchYBorders[i+1]) { |
| row = i; |
| break; |
| } |
| } |
| |
| if (row < 0 || col < 0) { |
| return -1; |
| } |
| |
| return (currentPage * Defines.ROWS_PER_PAGE * Defines.COLUMNS_PER_PAGE) |
| + (row * Defines.ROWS_PER_PAGE) + col; |
| } |
| |
| /** |
| * You need to call save() on mState on your own after calling this. |
| */ |
| void selectIcon(int x, int y, float pos) { |
| int index = chooseTappedIcon(x, y, pos); |
| selectIcon(index); |
| } |
| |
| void selectIcon(int index) { |
| Log.d(TAG, "selectIcon index=" + index); |
| int iconCount = mAllAppsList.size(); |
| if (index < 0 || index >= iconCount) { |
| mState.selectedIconIndex = -1; |
| return; |
| } else { |
| mState.selectedIconIndex = index; |
| |
| Bitmap selectionBitmap = mSelectionBitmap; |
| |
| Utilities.drawSelectedAllAppsBitmap(mSelectionCanvas, |
| selectionBitmap.getWidth(), selectionBitmap.getHeight(), |
| mAllAppsList.get(index).iconBitmap); |
| |
| mSelectedIcon = Allocation.createFromBitmap(mRS, selectionBitmap, |
| Element.RGBA_8888, false); |
| mSelectedIcon.uploadToTexture(0); |
| mState.selectedIconTexture = mSelectedIcon.getID(); |
| } |
| } |
| |
| /** |
| * You need to call save() on mState on your own after calling this. |
| */ |
| void clearSelectedIcon() { |
| mState.selectedIconIndex = -1; |
| } |
| } |
| } |
| |
| |