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Adding single/multi selection mode to AllAppsPagedView (action bar disabled).

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Also adding check to prevent scrolling mode from continuing on touch down.

Change-Id: I744f2c1f6bc659219145b52b15a7ea176853ec7c
This commit is contained in:
Winson Chung
2010-08-20 14:49:25 -07:00
parent 12815f5ac0
commit 5f2aa4efee
3 changed files with 232 additions and 19 deletions
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68
src/com/android/launcher2/PagedViewIcon.java
View File

@@ -40,17 +40,19 @@ import android.widget.TextView;
import com.android.launcher2.PagedView.PagedViewIconCache;
class HolographicOutlineHelper {
private float mDensity;
private final Paint mHolographicPaint = new Paint();
private final Paint mBlurPaint = new Paint();
private final Paint mErasePaint = new Paint();
private static final Matrix mIdentity = new Matrix();
private static final float STROKE_WIDTH = 6.0f;
private static final Matrix mIdentity = new Matrix();;
private static final float BLUR_FACTOR = 3.5f;
public static final float DEFAULT_STROKE_WIDTH = 6.0f;
public static final int HOLOGRAPHIC_BLUE = 0xFF6699FF;
public static final int HOLOGRAPHIC_GREEN = 0xFF66FF66;
public static final int HOLOGRAPHIC_GREEN = 0xFF51E633;
HolographicOutlineHelper(float density) {
mDensity = density;
mHolographicPaint.setColor(HOLOGRAPHIC_BLUE);
mHolographicPaint.setFilterBitmap(true);
mHolographicPaint.setAntiAlias(true);
@@ -101,13 +103,14 @@ class HolographicOutlineHelper {
/**
* Applies an outline to whatever is currently drawn in the specified bitmap.
*/
void applyOutline(Bitmap srcDst, Canvas srcDstCanvas, PointF offset) {
void applyOutline(Bitmap srcDst, Canvas srcDstCanvas, float strokeWidth, PointF offset) {
strokeWidth *= mDensity;
Bitmap mask = srcDst.extractAlpha();
Matrix m = new Matrix();
final int width = srcDst.getWidth();
final int height = srcDst.getHeight();
float xScale = STROKE_WIDTH*2.0f/width;
float yScale = STROKE_WIDTH*2.0f/height;
float xScale = strokeWidth*2.0f/width;
float yScale = strokeWidth*2.0f/height;
m.preScale(1+xScale, 1+yScale, (width / 2.0f) + offset.x,
(height / 2.0f) + offset.y);
@@ -138,6 +141,7 @@ public class PagedViewIcon extends TextView implements Checkable {
// holographic outline
private final Paint mPaint = new Paint();
private static HolographicOutlineHelper sHolographicOutlineHelper;
private Bitmap mCheckedOutline;
private Bitmap mHolographicOutline;
private Canvas mHolographicOutlineCanvas;
private boolean mIsHolographicUpdatePass;
@@ -207,6 +211,13 @@ public class PagedViewIcon extends TextView implements Checkable {
super.setAlpha(viewAlpha);
}
public void invalidateCheckedImage() {
if (mCheckedOutline != null) {
mCheckedOutline.recycle();
mCheckedOutline = null;
}
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
@@ -229,10 +240,11 @@ public class PagedViewIcon extends TextView implements Checkable {
draw(mHolographicOutlineCanvas);
sHolographicOutlineHelper.setColor(HolographicOutlineHelper.HOLOGRAPHIC_BLUE);
sHolographicOutlineHelper.applyOutline(mHolographicOutline, mHolographicOutlineCanvas,
offset);
HolographicOutlineHelper.DEFAULT_STROKE_WIDTH, offset);
sHolographicOutlineHelper.applyBlur(mHolographicOutline, mHolographicOutlineCanvas);
mIsHolographicUpdatePass = false;
mIconCache.addOutline(mIconCacheKey, mHolographicOutline);
mHolographicOutlineCanvas = null;
}
}
@@ -254,9 +266,17 @@ public class PagedViewIcon extends TextView implements Checkable {
}
}
if (!mIsHolographicUpdatePass && mHolographicOutline != null && mHolographicAlpha > 0) {
mPaint.setAlpha(mHolographicAlpha);
canvas.drawBitmap(mHolographicOutline, 0, 0, mPaint);
// draw any blended overlays
if (!mIsHolographicUpdatePass) {
if (mCheckedOutline == null) {
if (mHolographicOutline != null && mHolographicAlpha > 0) {
mPaint.setAlpha(mHolographicAlpha);
canvas.drawBitmap(mHolographicOutline, 0, 0, mPaint);
}
} else {
mPaint.setAlpha(255);
canvas.drawBitmap(mCheckedOutline, 0, 0, mPaint);
}
}
}
@@ -267,8 +287,32 @@ public class PagedViewIcon extends TextView implements Checkable {
@Override
public void setChecked(boolean checked) {
mIsChecked = checked;
invalidate();
if (mIsChecked != checked) {
mIsChecked = checked;
if (mIsChecked) {
final PointF offset = new PointF(0,
-(getCompoundPaddingBottom() + getCompoundPaddingTop())/2.0f);
// set a flag to indicate that we are going to draw the view at full alpha with the text
// clipped for the generation of the holographic icon
mIsHolographicUpdatePass = true;
mCheckedOutline = Bitmap.createBitmap(getMeasuredWidth(), getMeasuredHeight(),
Bitmap.Config.ARGB_8888);
mHolographicOutlineCanvas = new Canvas(mCheckedOutline);
mHolographicOutlineCanvas.concat(getMatrix());
draw(mHolographicOutlineCanvas);
sHolographicOutlineHelper.setColor(HolographicOutlineHelper.HOLOGRAPHIC_GREEN);
sHolographicOutlineHelper.applyOutline(mCheckedOutline, mHolographicOutlineCanvas,
HolographicOutlineHelper.DEFAULT_STROKE_WIDTH + 1.0f, offset);
mIsHolographicUpdatePass = false;
mHolographicOutlineCanvas = null;
} else {
invalidateCheckedImage();
}
invalidate();
}
}
@Override