Click on icons.

11 files changed, 366 insertions, 130 deletions

diff --git a/res/raw/rollo.c b/res/raw/rollo.c
index f6097cf12..028d537f9 100644
--- a/res/raw/rollo.c
+++ b/res/raw/rollo.c
@@ -29,30 +29,14 @@
 #define STATE_FLING_DURATION            6
 #define STATE_FLING_END_POS             7
 
-#define SCROLL_HANDLE_POS               8
+#define STATE_START_SCROLL_X            8
+#define STATE_SELECTED_ICON_INDEX       9
+#define STATE_SELECTED_ICON_TEXTURE     10
 
-// Scratch variables ======
-#define SCRATCH_ADJUSTED_DECELERATION   0
+#define STATE_BORDERY0                  11
 
 // Drawing constants, should be parameters ======
-#define SCREEN_WIDTH_PX 480
-#define SCREEN_HEIGHT 854
-
-#define PAGE_PADDING_TOP_PX 80
-#define CELL_PADDING_TOP_PX 5
-#define ICON_HEIGHT_PX 64
-#define ICON_TEXTURE_HEIGHT_PX 128
-#define ICON_LABEL_GUTTER_PX 5
-#define CELL_PADDING_BOTTOM_PX 5
-#define ROW_GUTTER_PX 10
-
-#define PAGE_PADDING_LEFT_PX 22
-#define CELL_WIDTH_PX 105
-#define ICON_WIDTH_PX 64
-#define ICON_TEXTURE_WIDTH_PX 128
-
 #define VIEW_ANGLE 1.28700222f
-#define RADIUS 4.0f
 
 int
 count_pages(int iconCount)
@@ -89,9 +73,11 @@ draw_page(int icon, int lastIcon, float centerAngle)
     float iconWidthAngle = VIEW_ANGLE * ICON_WIDTH_PX / SCREEN_WIDTH_PX;
     float columnGutterAngle = iconWidthAngle * 0.70f;
 
-    float farIconSize = far_size(2 * ICON_WIDTH_PX / (float)SCREEN_WIDTH_PX);
+    float farIconSize = FAR_ICON_SIZE;
     float iconGutterHeight = farIconSize * 1.1f;
 
+    float farIconTextureSize = far_size(2 * ICON_TEXTURE_WIDTH_PX / (float)SCREEN_WIDTH_PX);
+
     float labelWidthPx = loadI32(ALLOC_PARAMS, PARAM_BUBBLE_WIDTH);
     float labelHeightPx = loadI32(ALLOC_PARAMS, PARAM_BUBBLE_HEIGHT);
 
@@ -101,18 +87,22 @@ draw_page(int icon, int lastIcon, float centerAngle)
     float labelTextureWidth = labelWidthPx / loadI32(ALLOC_PARAMS, PARAM_BUBBLE_BITMAP_WIDTH);
     float labelTextureHeight = labelHeightPx / loadI32(ALLOC_PARAMS, PARAM_BUBBLE_BITMAP_HEIGHT);
 
+    int selectedIconIndex = loadI32(ALLOC_STATE, STATE_SELECTED_ICON_INDEX);
 
     for (row=0; row<ROWS_PER_PAGE && icon<=lastIcon; row++) {
         float angle = centerAngle;
         angle -= (columnGutterAngle + iconWidthAngle) * 1.5f;
 
-        float iconTop = (farIconSize + iconGutterHeight) * 2.2f
+        float iconTop = (farIconSize + iconGutterHeight) * (2.0f + ICON_TOP_OFFSET)
                 - row * (farIconSize + iconGutterHeight);
         float iconBottom = iconTop - farIconSize;
 
         float labelTop = iconBottom - (.1 * farLabelHeight);
         float labelBottom = labelTop - farLabelHeight;
 
+        float iconTextureTop = iconTop + (0.5f * (farIconTextureSize - farIconSize));
+        float iconTextureBottom = iconTextureTop - farIconTextureSize;
+
         for (col=0; col<COLUMNS_PER_PAGE && icon<=lastIcon; col++) {
             // icon
             float sine = sinf(angle);
@@ -121,17 +111,26 @@ draw_page(int icon, int lastIcon, float centerAngle)
             float centerX = sine * RADIUS;
             float centerZ = cosine * RADIUS;
 
-            float iconLeftX = centerX  - (cosine * farIconSize * .5);
-            float iconRightX = centerX + (cosine * farIconSize * .5);
-            float iconLeftZ = centerZ + (sine * farIconSize * .5);
-            float iconRightZ = centerZ - (sine * farIconSize * .5);
+            float iconLeftX = centerX  - (cosine * farIconTextureSize * .5);
+            float iconRightX = centerX + (cosine * farIconTextureSize * .5);
+            float iconLeftZ = centerZ + (sine * farIconTextureSize * .5);
+            float iconRightZ = centerZ - (sine * farIconTextureSize * .5);
+
+            if (selectedIconIndex == icon) {
+                bindTexture(NAMED_PF, 0, loadI32(ALLOC_STATE, STATE_SELECTED_ICON_TEXTURE));
+                drawQuadTexCoords(
+                        iconLeftX, iconTextureTop, iconLeftZ,       0.0f, 0.0f,
+                        iconRightX, iconTextureTop, iconRightZ,     1.0f, 0.0f,
+                        iconRightX, iconTextureBottom, iconRightZ,  1.0f, 1.0f,
+                        iconLeftX, iconTextureBottom, iconLeftZ,    0.0f, 1.0f);
+            }
 
             bindTexture(NAMED_PF, 0, loadI32(ALLOC_ICON_IDS, icon));
             drawQuadTexCoords(
-                    iconLeftX, iconTop, iconLeftZ,       0.0f, 0.0f,
-                    iconRightX, iconTop, iconRightZ,     iconTextureWidth, 0.0f,
-                    iconRightX, iconBottom, iconRightZ,  iconTextureWidth, iconTextureHeight,
-                    iconLeftX, iconBottom, iconLeftZ,    0.0f, iconTextureHeight);
+                    iconLeftX, iconTextureTop, iconLeftZ,       0.0f, 0.0f,
+                    iconRightX, iconTextureTop, iconRightZ,     1.0f, 0.0f,
+                    iconRightX, iconTextureBottom, iconRightZ,  1.0f, 1.0f,
+                    iconLeftX, iconTextureBottom, iconLeftZ,    0.0f, 1.0f);
 
             // label
             float labelLeftX = centerX - farLabelWidth * 0.5f;
@@ -160,17 +159,6 @@ main(int launchID)
     int iconCount = loadI32(ALLOC_STATE, STATE_ICON_COUNT);
     int pageCount = count_pages(iconCount);
 
-    float densityScale = 2.0f / SCREEN_WIDTH_PX;
-    float screenTop = SCREEN_HEIGHT/(float)SCREEN_WIDTH_PX; // == (SCREEN_HEIGHT/2)*densityScale;
-
-    float pagePaddingTop = screenTop - (PAGE_PADDING_TOP_PX * densityScale);
-    float pageGutterY = ROW_GUTTER_PX * densityScale;
-    float cellHeight = (CELL_PADDING_TOP_PX + ICON_HEIGHT_PX + ICON_LABEL_GUTTER_PX
-            + loadI32(ALLOC_PARAMS, PARAM_BUBBLE_HEIGHT)
-            + CELL_PADDING_BOTTOM_PX + ROW_GUTTER_PX) * densityScale;
-    float cellPaddingTop = CELL_PADDING_TOP_PX * densityScale;
-    float iconLabelGutter = ICON_LABEL_GUTTER_PX * densityScale;
-
     float scrollXPx = loadI32(ALLOC_STATE, STATE_SCROLL_X);
     float maxScrollXPx = -(pageCount-1) * SCREEN_WIDTH_PX;
     int done = 0;
@@ -313,12 +301,26 @@ main(int launchID)
     draw_page(icon, lastIcon, -VIEW_ANGLE*currentPagePosition);
     draw_page(icon+iconsPerPage, lastIcon, (-VIEW_ANGLE*currentPagePosition)+VIEW_ANGLE);
     
-    // Draw the scroll handle ========================================
+    // Draw the border lines for debugging ========================================
     /*
     bindProgramVertex(NAMED_PVOrtho);
     bindProgramFragment(NAMED_PFText);
     bindProgramFragmentStore(NAMED_PFSText);
 
+    color(1.0f, 1.0f, 0.0f, 0.99f);
+    int i;
+    for (i=0; i<ROWS_PER_PAGE+1; i++) {
+        int y = loadI32(ALLOC_Y_BORDERS, i);
+        drawRect(0, y, SCREEN_WIDTH_PX, y+1, 0.0f);
+    }
+    for (i=0; i<COLUMNS_PER_PAGE+1; i++) {
+        int x = loadI32(ALLOC_X_BORDERS, i);
+        drawRect(x, 0, x+1, SCREEN_HEIGHT_PX, 0.0f);
+    }
+    */
+
+    // Draw the scroll handle ========================================
+    /*
     bindTexture(NAMED_PFText, 0, loadI32(ALLOC_PARAMS, PARAM_SCROLL_HANDLE_ID));
     float handleLeft = 40 + (320 * (scrollXPx/(float)(maxScrollXPx)));
     float handleTop = 680;
diff --git a/src/com/android/launcher2/AllAppsView.java b/src/com/android/launcher2/AllAppsView.java
index d8ac50b48..b9ec2cfb3 100644
--- a/src/com/android/launcher2/AllAppsView.java
+++ b/src/com/android/launcher2/AllAppsView.java
@@ -39,6 +39,7 @@ import android.content.res.Resources;
 import android.database.DataSetObserver;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.BlurMaskFilter;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.drawable.BitmapDrawable;
@@ -53,37 +54,61 @@ 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 {
+public class AllAppsView extends RSSurfaceView
+        implements View.OnClickListener, View.OnLongClickListener {
     private static final String TAG = "Launcher.AllAppsView";
 
+    private Launcher mLauncher;
+
     private RenderScript mRS;
     private RolloRS mRollo;
     private ArrayList<ApplicationInfo> mAllAppsList;
 
     private ViewConfiguration mConfig;
     private int mPageCount;
+    private boolean mStartedScrolling;
     private VelocityTracker mVelocity;
     private int mLastScrollX;
     private int mLastMotionX;
-    private ApplicationsAdapter mAdapter;
     private TouchHandler mTouchHandler;
     private int mScrollHandleTop;
 
-    class Defines {
+    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_SCRATCH = 2;
-        public static final int ALLOC_ICON_IDS = 3;
-        public static final int ALLOC_LABEL_IDS = 4;
+        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) {
@@ -91,36 +116,38 @@ public class AllAppsView extends RSSurfaceView {
         setFocusable(true);
         getHolder().setFormat(PixelFormat.TRANSLUCENT);
         mConfig = ViewConfiguration.get(context);
+        setOnClickListener(this);
+        setOnLongClickListener(this);
     }
 
     public AllAppsView(Context context, AttributeSet attrs, int defStyle) {
         this(context, attrs);
     }
 
-    void setAdapter(ApplicationsAdapter adapter) {
-        if (mAdapter != null) {
-            mAdapter.unregisterDataSetObserver(mIconObserver);
-        }
-        mAdapter = adapter;
-        if (adapter != null) {
-            adapter.registerDataSetObserver(mIconObserver);
-        }
+    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
@@ -133,6 +160,8 @@ public class AllAppsView extends RSSurfaceView {
     @Override
     public boolean onTouchEvent(MotionEvent ev)
     {
+        super.onTouchEvent(ev);
+
         mTouchHandler = mFlingHandler;
         /*
         int action = ev.getAction();
@@ -144,7 +173,9 @@ public class AllAppsView extends RSSurfaceView {
             }
         }
         */
-        return mTouchHandler.onTouchEvent(ev);
+        mTouchHandler.onTouchEvent(ev);
+
+        return true;
     }
 
     private abstract class TouchHandler {
@@ -161,22 +192,38 @@ public class AllAppsView extends RSSurfaceView {
                 case MotionEvent.ACTION_DOWN:
                     mLastMotionX = x;
                     mRollo.mState.read();
-                    mRollo.mState.scrollX = mLastScrollX = mRollo.mState.currentScrollX;
+                    mRollo.mState.startScrollX = mRollo.mState.scrollX = mLastScrollX
+                            = mRollo.mState.currentScrollX;
+                    if (mRollo.mState.flingVelocityX != 0) {
+                        mRollo.clearSelectedIcon();
+                    } else {
+                        mRollo.selectIcon(x, (int)ev.getY(), mRollo.mState.startScrollX,
+                                (-mRollo.mState.startScrollX / Defines.SCREEN_WIDTH_PX));
+                    }
                     mRollo.mState.flingVelocityX = 0;
                     mRollo.mState.adjustedDeceleration = 0;
                     mRollo.mState.save();
                     mVelocity = VelocityTracker.obtain();
                     mVelocity.addMovement(ev);
+                    mStartedScrolling = false;
                     break;
                 case MotionEvent.ACTION_MOVE:
                 case MotionEvent.ACTION_OUTSIDE:
-                    deltaX = x - mLastMotionX;
-                    mVelocity.addMovement(ev);
-                    mRollo.mState.currentScrollX = mLastScrollX;
-                    mLastScrollX += deltaX;
-                    mRollo.mState.scrollX = mLastScrollX;
-                    mRollo.mState.save();
-                    mLastMotionX = x;
+                    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 {
+                        mStartedScrolling = true;
+                        mRollo.clearSelectedIcon();
+                        deltaX = x - mLastMotionX;
+                        mVelocity.addMovement(ev);
+                        mRollo.mState.currentScrollX = mLastScrollX;
+                        mLastScrollX += deltaX;
+                        mRollo.mState.scrollX = mLastScrollX;
+                        mRollo.mState.save();
+                        mLastMotionX = x;
+                    }
                     break;
                 case MotionEvent.ACTION_UP:
                 case MotionEvent.ACTION_CANCEL:
@@ -184,6 +231,7 @@ public class AllAppsView extends RSSurfaceView {
                             mConfig.getScaledMaximumFlingVelocity());
                     mRollo.mState.flingTimeMs = (int)SystemClock.uptimeMillis(); // TODO: use long
                     mRollo.mState.flingVelocityX = (int)mVelocity.getXVelocity();
+                    mRollo.clearSelectedIcon();
                     mRollo.mState.save();
                     mLastMotionX = -10000;
                     mVelocity.recycle();
@@ -194,6 +242,20 @@ public class AllAppsView extends RSSurfaceView {
         }
     };
 
+    public void onClick(View v) {
+        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) {
+        Log.d(TAG, "long click! velocity=" + mRollo.mState.flingVelocityX + " index="
+                + mRollo.mState.selectedIconIndex);
+        return true;
+    }
+
     /*
     private TouchHandler mScrollHandler = new TouchHandler() {
         @Override
@@ -229,18 +291,17 @@ public class AllAppsView extends RSSurfaceView {
         return true;
     }
 
-    DataSetObserver mIconObserver = new DataSetObserver() {
-        public void onChanged() {
-            Log.d(TAG, "new icons arrived! now have " + mAdapter.getCount());
-        }
-    };
-
     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);
+    }
+
+    private void invokeIcon(int index) {
+        Log.d(TAG, "launch it!!!! index=" + index);
     }
 
     private static int countPages(int iconCount) {
@@ -276,15 +337,20 @@ public class AllAppsView extends RSSurfaceView {
         private Allocation mScrollHandle;
 
         private Allocation[] mIcons;
-        private int[] mAllocIconIDBuf;
+        private int[] mIconIds;
         private Allocation mAllocIconID;
 
         private Allocation[] mLabels;
-        private int[] mAllocLabelIDBuf;
+        private int[] mLabelIds;
         private Allocation mAllocLabelID;
+        private Allocation mSelectedIcon;
 
-        private int[] mAllocScratchBuf;
-        private Allocation mAllocScratch;
+        private int[] mTouchYBorders;
+        private Allocation mAllocTouchYBorders;
+        private int[] mTouchXBorders;
+        private Allocation mAllocTouchXBorders;
+
+        private Bitmap mSelectionBitmap;
 
         Params mParams;
         State mState;
@@ -314,7 +380,9 @@ public class AllAppsView extends RSSurfaceView {
             @AllocationIndex(5) public int currentScrollX;
             @AllocationIndex(6) public int flingDuration;
             @AllocationIndex(7) public int flingEndPos;
-            @AllocationIndex(8) public int scrollHandlePos;
+            @AllocationIndex(8) public int startScrollX;
+            @AllocationIndex(9) public int selectedIconIndex = -1;
+            @AllocationIndex(10) public int selectedIconTexture;
         }
 
         public RolloRS() {
@@ -326,6 +394,7 @@ public class AllAppsView extends RSSurfaceView {
             mHeight = height;
             initGl();
             initData();
+            initTouchState();
             initRs();
         }
 
@@ -353,7 +422,8 @@ public class AllAppsView extends RSSurfaceView {
             mPFImages.bindSampler(mSampler, 0);
 
             bf.setTexEnvMode(ProgramFragment.EnvMode.MODULATE, 0);
-            mPFText = bf.create();
+            //mPFText = bf.create();
+            mPFText = (new ProgramFragment.Builder(mRS, null, null)).create();
             mPFText.setName("PFText");
             mPFText.bindSampler(mSamplerText, 0);
 
@@ -391,9 +461,15 @@ public class AllAppsView extends RSSurfaceView {
 
             mRS.contextBindProgramVertex(mPV);
 
-            mAllocScratchBuf = new int[32];
-            mAllocScratch = Allocation.createSized(mRS, Element.USER_I32, mAllocScratchBuf.length);
-            mAllocScratch.data(mAllocScratchBuf);
+            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");
         }
@@ -410,17 +486,33 @@ public class AllAppsView extends RSSurfaceView {
             mParams.bubbleBitmapHeight = bubble.getBitmapHeight();
 
             mScrollHandle = Allocation.createFromBitmapResource(mRS, mRes,
-                    R.drawable.all_apps_button_pow2, Element.RGBA_8888, true);
+                    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;
-            mState.scrollHandlePos = 0;
+
 
             mParams.save();
             mState.save();
 
+            mSelectionBitmap = Bitmap.createBitmap(Defines.ICON_WIDTH_PX, Defines.ICON_HEIGHT_PX,
+                    Bitmap.Config.ARGB_8888);
+            Bitmap selectionBitmap = mSelectionBitmap;
+            Paint paint = new Paint();
+            float radius = 12 * getContext().getResources().getDisplayMetrics().density;
+            //paint.setMaskFilter(new BlurMaskFilter(radius, BlurMaskFilter.Blur.OUTER));
+            Canvas canvas = new Canvas(selectionBitmap);
+            canvas.drawColor(0xffff0000);
+
+            mSelectedIcon = Allocation.createFromBitmap(mRS, selectionBitmap,
+                    Element.RGBA_8888, false);
+            mSelectedIcon.uploadToTexture(0);
+
+            mState.selectedIconTexture = mSelectedIcon.getID();
+
+            Log.d(TAG, "initData calling mRollo.setApps");
             setApps(null);
         }
 
@@ -435,8 +527,9 @@ public class AllAppsView extends RSSurfaceView {
             mScript.bindAllocation(mParams.getAllocation(), Defines.ALLOC_PARAMS);
             mScript.bindAllocation(mState.getAllocation(), Defines.ALLOC_STATE);
             mScript.bindAllocation(mAllocIconID, Defines.ALLOC_ICON_IDS);
-            mScript.bindAllocation(mAllocScratch, Defines.ALLOC_SCRATCH);
             mScript.bindAllocation(mAllocLabelID, Defines.ALLOC_LABEL_IDS);
+            mScript.bindAllocation(mAllocTouchXBorders, Defines.ALLOC_X_BORDERS);
+            mScript.bindAllocation(mAllocTouchYBorders, Defines.ALLOC_Y_BORDERS);
 
             mRS.contextBindRootScript(mScript);
         }
@@ -444,11 +537,11 @@ public class AllAppsView extends RSSurfaceView {
         private void setApps(ArrayList<ApplicationInfo> list) {
             final int count = list != null ? list.size() : 0;
             mIcons = new Allocation[count];
-            mAllocIconIDBuf = new int[count];
+            mIconIds = new int[count];
             mAllocIconID = Allocation.createSized(mRS, Element.USER_I32, count);
 
             mLabels = new Allocation[count];
-            mAllocLabelIDBuf = new int[count];
+            mLabelIds = new int[count];
             mAllocLabelID = Allocation.createSized(mRS, Element.USER_I32, count);
 
             Element ie8888 = Element.RGBA_8888;
@@ -459,19 +552,19 @@ public class AllAppsView extends RSSurfaceView {
                 final ApplicationInfo item = list.get(i);
 
                 mIcons[i] = Allocation.createFromBitmap(mRS, item.iconBitmap,
-                        Element.RGBA_8888, true);
+                        Element.RGBA_8888, false);
                 mLabels[i] = Allocation.createFromBitmap(mRS, item.titleBitmap,
-                        Element.RGBA_8888, true);
+                        Element.RGBA_8888, false);
 
                 mIcons[i].uploadToTexture(0);
                 mLabels[i].uploadToTexture(0);
 
-                mAllocIconIDBuf[i] = mIcons[i].getID();
-                mAllocLabelIDBuf[i] = mLabels[i].getID();
+                mIconIds[i] = mIcons[i].getID();
+                mLabelIds[i] = mLabels[i].getID();
             }
 
-            mAllocIconID.data(mAllocIconIDBuf);
-            mAllocLabelID.data(mAllocLabelIDBuf);
+            mAllocIconID.data(mIconIds);
+            mAllocLabelID.data(mLabelIds);
 
             mState.iconCount = count;
 
@@ -484,6 +577,84 @@ public class AllAppsView extends RSSurfaceView {
 
             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, int scrollX, int currentPage) {
+            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, int scrollX, int currentPage) {
+            int iconCount = mAllAppsList.size();
+            int index = chooseTappedIcon(x, y, scrollX, currentPage);
+            if (index < 0 || index >= iconCount) {
+                mState.selectedIconIndex = -1;
+                return;
+            } else {
+                mState.selectedIconIndex = index;
+            }
+        }
+
+        /**
+         * You need to call save() on mState on your own after calling this.
+         */
+        void clearSelectedIcon() {
+            mState.selectedIconIndex = -1;
+        }
     }
 }
 
diff --git a/src/com/android/launcher2/AppInfoCache.java b/src/com/android/launcher2/AppInfoCache.java
index 34e843e83..9e87a471c 100644
--- a/src/com/android/launcher2/AppInfoCache.java
+++ b/src/com/android/launcher2/AppInfoCache.java
@@ -163,9 +163,8 @@ public class AppInfoCache {
             application.title = info.activityInfo.name;
         }
 
-        Drawable icon = Utilities.createIconThumbnail(info.activityInfo.loadIcon(packageManager),
-                context, true);
-        application.iconBitmap = ((FastBitmapDrawable)icon).getBitmap();
+        application.iconBitmap = Utilities.createAllAppsBitmap(
+                info.activityInfo.loadIcon(packageManager), context);
         application.filtered = true;
 
         application.titleBitmap = bubble.createTextBitmap(application.title.toString());
diff --git a/src/com/android/launcher2/ApplicationsAdapter.java b/src/com/android/launcher2/ApplicationsAdapter.java
index fc69703ca..489f54695 100644
--- a/src/com/android/launcher2/ApplicationsAdapter.java
+++ b/src/com/android/launcher2/ApplicationsAdapter.java
@@ -45,7 +45,7 @@ public class ApplicationsAdapter  extends ArrayAdapter<ApplicationInfo> {
         }
 
         if (!info.filtered) {
-            info.icon = Utilities.createIconThumbnail(info.icon, getContext(), false);
+            info.icon = Utilities.createIconThumbnail(info.icon, getContext());
             info.filtered = true;
         }
 
diff --git a/src/com/android/launcher2/FolderIcon.java b/src/com/android/launcher2/FolderIcon.java
index c135fa3a2..85fc3a754 100644
--- a/src/com/android/launcher2/FolderIcon.java
+++ b/src/com/android/launcher2/FolderIcon.java
@@ -48,7 +48,7 @@ public class FolderIcon extends BubbleTextView implements DropTarget {
 
         final Resources resources = launcher.getResources();
         Drawable d = resources.getDrawable(R.drawable.ic_launcher_folder);
-        d = Utilities.createIconThumbnail(d, launcher, false);
+        d = Utilities.createIconThumbnail(d, launcher);
         icon.mCloseIcon = d;
         icon.mOpenIcon = resources.getDrawable(R.drawable.ic_launcher_folder_open);
         icon.setCompoundDrawablesWithIntrinsicBounds(null, d, null, null);
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index e1b213e90..bf08b4ebf 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -518,6 +518,7 @@ public final class Launcher extends Activity
         dragLayer.setDragController(dragController);
 
         mAllAppsGrid = (AllAppsView)dragLayer.findViewById(R.id.all_apps_view);
+        mAllAppsGrid.setLauncher(this);
 
         mWorkspace = (Workspace) dragLayer.findViewById(R.id.workspace);
         final Workspace workspace = mWorkspace;
@@ -575,7 +576,7 @@ public final class Launcher extends Activity
         TextView favorite = (TextView) mInflater.inflate(layoutResId, parent, false);
 
         if (!info.filtered) {
-            info.icon = Utilities.createIconThumbnail(info.icon, this, false);
+            info.icon = Utilities.createIconThumbnail(info.icon, this);
             info.filtered = true;
         }
 
@@ -873,7 +874,6 @@ public final class Launcher extends Activity
 
         TextKeyListener.getInstance().release();
 
-        mAllAppsGrid.setAdapter(null);
         mModel.stopLoader();
 
         unbindDesktopItems();
diff --git a/src/com/android/launcher2/LauncherModel.java b/src/com/android/launcher2/LauncherModel.java
index 90722cf0a..b261a75b9 100644
--- a/src/com/android/launcher2/LauncherModel.java
+++ b/src/com/android/launcher2/LauncherModel.java
@@ -944,7 +944,7 @@ public class LauncherModel {
 
         final ApplicationInfo info = new ApplicationInfo();
         final ActivityInfo activityInfo = resolveInfo.activityInfo;
-        info.icon = Utilities.createIconThumbnail(activityInfo.loadIcon(manager), context, false);
+        info.icon = Utilities.createIconThumbnail(activityInfo.loadIcon(manager), context);
         if (info.title == null || info.title.length() == 0) {
             info.title = activityInfo.loadLabel(manager);
         }
@@ -973,8 +973,7 @@ public class LauncherModel {
             try {
                 Resources resources = packageManager.getResourcesForApplication(packageName);
                 final int id = resources.getIdentifier(resourceName, null, null);
-                info.icon = Utilities.createIconThumbnail(resources.getDrawable(id), context,
-                        false);
+                info.icon = Utilities.createIconThumbnail(resources.getDrawable(id), context);
             } catch (Exception e) {
                 info.icon = packageManager.getDefaultActivityIcon();
             }
diff --git a/src/com/android/launcher2/LiveFolderAdapter.java b/src/com/android/launcher2/LiveFolderAdapter.java
index 05e7a6a82..b0e9eff1f 100644
--- a/src/com/android/launcher2/LiveFolderAdapter.java
+++ b/src/com/android/launcher2/LiveFolderAdapter.java
@@ -154,8 +154,7 @@ class LiveFolderAdapter extends CursorAdapter {
                             cursor.getString(holder.iconPackageIndex));
                     final int id = resources.getIdentifier(resource,
                             null, null);
-                    icon = Utilities.createIconThumbnail(resources.getDrawable(id), mContext,
-                            false);
+                    icon = Utilities.createIconThumbnail(resources.getDrawable(id), mContext);
                     mIcons.put(resource, icon);
                 } catch (Exception e) {
                     // Ignore
diff --git a/src/com/android/launcher2/LiveFolderIcon.java b/src/com/android/launcher2/LiveFolderIcon.java
index d281a64e8..55f100cce 100644
--- a/src/com/android/launcher2/LiveFolderIcon.java
+++ b/src/com/android/launcher2/LiveFolderIcon.java
@@ -42,7 +42,7 @@ public class LiveFolderIcon extends FolderIcon {
         Drawable d = folderInfo.icon;
         if (d == null) {
             d = Utilities.createIconThumbnail(resources.getDrawable(R.drawable.ic_launcher_folder),
-                    launcher, false);
+                    launcher);
             folderInfo.filtered = true;
         }
         icon.setCompoundDrawablesWithIntrinsicBounds(null, d, null, null);
diff --git a/src/com/android/launcher2/Utilities.java b/src/com/android/launcher2/Utilities.java
index ca12a4d29..073b17927 100644
--- a/src/com/android/launcher2/Utilities.java
+++ b/src/com/android/launcher2/Utilities.java
@@ -41,6 +41,8 @@ import android.content.Context;
 final class Utilities {
     private static int sIconWidth = -1;
     private static int sIconHeight = -1;
+    private static int sIconTextureWidth = -1;
+    private static int sIconTextureHeight = -1;
 
     private static final Paint sPaint = new Paint();
     private static final Rect sBounds = new Rect();
@@ -80,19 +82,14 @@ final class Utilities {
      *
      * @param icon The icon to get a thumbnail of.
      * @param context The application's context.
-     * @param forceBitmap If this is true, the drawable will always be redrawn
-     *          into a new bitmap if it isn't already a BitmapDrawable or a
-     *          FastBitmapDrawable.
      *
      * @return A thumbnail for the specified icon or the icon itself if the
      *         thumbnail could not be created. 
      */
-    static Drawable createIconThumbnail(Drawable icon, Context context, boolean forceBitmap) {
+    static Drawable createIconThumbnail(Drawable icon, Context context) {
         synchronized (sCanvas) { // we share the statics :-(
             if (sIconWidth == -1) {
-                final Resources resources = context.getResources();
-                sIconWidth = (int)resources.getDimension(android.R.dimen.app_icon_size);
-                sIconHeight = sIconWidth;
+                initStatics(context);
             }
 
             int width = sIconWidth;
@@ -155,26 +152,91 @@ final class Utilities {
                     icon = new FastBitmapDrawable(thumb);
                 }
             }
-            
-            if (forceBitmap) {
-                // no intrinsic size --> use default size
-                int w = sIconWidth;
-                int h = sIconHeight;
-                final Bitmap.Config c = Bitmap.Config.ARGB_8888;
-                final Bitmap thumb = Bitmap.createBitmap(roundToPow2(w), roundToPow2(h), c);
-                final Canvas canvas = sCanvas;
-                canvas.setBitmap(thumb);
-                sOldBounds.set(icon.getBounds());
-                icon.setBounds(0, 0, w, h);
-                icon.draw(canvas);
-                icon.setBounds(sOldBounds);
-                icon = new FastBitmapDrawable(thumb);
-            }
 
             return icon;
         }
     }
 
+    static int sColors[] = { 0xffff0000, 0xff00ff00, 0xff0000ff };
+    static int sColorIndex = 0;
+
+    /**
+     * Returns a bitmap suitable for the all apps view.  The bitmap will be a power
+     * of two sized ARGB_8888 bitmap that can be used as a gl texture.
+     */
+    static Bitmap createAllAppsBitmap(Drawable icon, Context context) {
+        synchronized (sCanvas) { // we share the statics :-(
+            if (sIconWidth == -1) {
+                initStatics(context);
+            }
+
+            int width = sIconWidth;
+            int height = sIconHeight;
+
+            float scale = 1.0f;
+            if (icon instanceof PaintDrawable) {
+                PaintDrawable painter = (PaintDrawable) icon;
+                painter.setIntrinsicWidth(width);
+                painter.setIntrinsicHeight(height);
+            } else if (icon instanceof BitmapDrawable) {
+                // Ensure the bitmap has a density.
+                BitmapDrawable bitmapDrawable = (BitmapDrawable) icon;
+                Bitmap bitmap = bitmapDrawable.getBitmap();
+                if (bitmap.getDensity() == Bitmap.DENSITY_NONE) {
+                    bitmapDrawable.setTargetDensity(context.getResources().getDisplayMetrics());
+                }
+            }
+            int sourceWidth = icon.getIntrinsicWidth();
+            int sourceHeight = icon.getIntrinsicHeight();
+
+            if (sourceWidth > 0 && sourceWidth > 0) {
+                // There are intrinsic sizes.
+                if (width < sourceWidth || height < sourceHeight || scale != 1.0f) {
+                    // It's too big, scale it down.
+                    final float ratio = (float) sourceWidth / sourceHeight;
+                    if (sourceWidth > sourceHeight) {
+                        height = (int) (width / ratio);
+                    } else if (sourceHeight > sourceWidth) {
+                        width = (int) (height * ratio);
+                    }
+                } else if (sourceWidth < width && sourceHeight < height) {
+                    // It's small, use the size they gave us.
+                    width = sourceWidth;
+                    height = sourceWidth;
+                }
+            }
+
+            // no intrinsic size --> use default size
+            int textureWidth = sIconTextureWidth;
+            int textureHeight = sIconTextureHeight;
+
+            final Bitmap bitmap = Bitmap.createBitmap(textureWidth, textureHeight,
+                    Bitmap.Config.ARGB_8888);
+            final Canvas canvas = sCanvas;
+            canvas.setBitmap(bitmap);
+
+            final int left = (textureWidth-width) / 2;
+            final int top = (textureHeight-height) / 2;
+
+            if (false) {
+                // draw a big box for the icon for debugging
+                canvas.drawColor(sColors[sColorIndex]);
+                if (++sColorIndex >= sColors.length) sColorIndex = 0;
+                Paint debugPaint = new Paint();
+                debugPaint.setColor(0xffcccc00);
+                canvas.drawRect(left, top, left+width, top+height, debugPaint);
+            }
+
+            sOldBounds.set(icon.getBounds());
+            icon.setBounds(left, top, left+width, top+height);
+            icon.draw(canvas);
+            icon.setBounds(sOldBounds);
+
+            return bitmap;
+        }
+    }
+
+
     /**
      * Returns a Bitmap representing the thumbnail of the specified Bitmap.
      * The size of the thumbnail is defined by the dimension
@@ -189,9 +251,7 @@ final class Utilities {
     static Bitmap createBitmapThumbnail(Bitmap bitmap, Context context) {
         synchronized (sCanvas) { // we share the statics :-(
             if (sIconWidth == -1) {
-                final Resources resources = context.getResources();
-                sIconWidth = sIconHeight = (int) resources.getDimension(
-                        android.R.dimen.app_icon_size);
+                initStatics(context);
             }
 
             int width = sIconWidth;
@@ -227,6 +287,12 @@ final class Utilities {
         }
     }
 
+    private static void initStatics(Context context) {
+        final Resources resources = context.getResources();
+        sIconWidth = sIconHeight = (int) resources.getDimension(android.R.dimen.app_icon_size);
+        sIconTextureWidth = sIconTextureHeight = roundToPow2(sIconWidth);
+    }
+
     static class BubbleText {
         private static final int MAX_LINES = 2;
         private TextPaint mTextPaint;
diff --git a/src/com/android/launcher2/Workspace.java b/src/com/android/launcher2/Workspace.java
index 8b0048368..744cf720f 100644
--- a/src/com/android/launcher2/Workspace.java
+++ b/src/com/android/launcher2/Workspace.java
@@ -1288,7 +1288,7 @@ public class Workspace extends ViewGroup implements DropTarget, DragSource, Drag
                         final Drawable icon = AppInfoCache.getIconDrawable(pm, info);
                         if (icon != null && icon != info.icon) {
                             info.icon.setCallback(null);
-                            info.icon = Utilities.createIconThumbnail(icon, mContext, false);
+                            info.icon = Utilities.createIconThumbnail(icon, mContext);
                             info.filtered = true;
                             ((TextView) view).setCompoundDrawablesWithIntrinsicBounds(null,
                                     info.icon, null, null);