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platform_packages_apps_Launcher3
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Workaround for generating QSB icon press states. (Bug 7132477) 

Change-Id: I7754bbb20572908cd428c12ba84a7b1160063bcb
This commit is contained in:
Winson Chung 2012-09-10 12:46:30 -07:00
parent 061e9008b0
commit 4cc332ac43
1 changed files with 24 additions and 7 deletions
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31
src/com/android/launcher2/HolographicViewHelper.java
View File

@ -42,13 +42,15 @@ public class HolographicViewHelper {
void generatePressedFocusedStates(ImageView v) { void generatePressedFocusedStates(ImageView v) {
if (!mStatesUpdated && v != null) { if (!mStatesUpdated && v != null) {
mStatesUpdated = true; mStatesUpdated = true;
Bitmap original = createOriginalImage(v, mTempCanvas);
Bitmap outline = createPressImage(v, mTempCanvas); Bitmap outline = createPressImage(v, mTempCanvas);
FastBitmapDrawable d = new FastBitmapDrawable(outline); FastBitmapDrawable originalD = new FastBitmapDrawable(original);
FastBitmapDrawable outlineD = new FastBitmapDrawable(outline);
StateListDrawable states = new StateListDrawable(); StateListDrawable states = new StateListDrawable();
states.addState(new int[] {android.R.attr.state_pressed}, d); states.addState(new int[] {android.R.attr.state_pressed}, outlineD);
states.addState(new int[] {android.R.attr.state_focused}, d); states.addState(new int[] {android.R.attr.state_focused}, outlineD);
states.addState(new int[] {}, v.getDrawable()); states.addState(new int[] {}, originalD);
v.setImageDrawable(states); v.setImageDrawable(states);
} }
} }
@ -63,18 +65,33 @@ public class HolographicViewHelper {
} }
} }
/**
* Creates a copy of the original image.
*/
private Bitmap createOriginalImage(ImageView v, Canvas canvas) {
final Bitmap b = Bitmap.createBitmap(
v.getWidth(), v.getHeight(), Bitmap.Config.ARGB_8888);
canvas.setBitmap(b);
canvas.save();
v.draw(canvas);
canvas.restore();
canvas.setBitmap(null);
return b;
}
/** /**
* Creates a new press state image which is the old image with a blue overlay. * Creates a new press state image which is the old image with a blue overlay.
* Responsibility for the bitmap is transferred to the caller. * Responsibility for the bitmap is transferred to the caller.
*/ */
private Bitmap createPressImage(ImageView v, Canvas canvas) { private Bitmap createPressImage(ImageView v, Canvas canvas) {
final int padding = HolographicOutlineHelper.MAX_OUTER_BLUR_RADIUS;
final Bitmap b = Bitmap.createBitmap( final Bitmap b = Bitmap.createBitmap(
v.getWidth() + padding, v.getHeight() + padding, Bitmap.Config.ARGB_8888); v.getWidth(), v.getHeight(), Bitmap.Config.ARGB_8888);
canvas.setBitmap(b); canvas.setBitmap(b);
canvas.save(); canvas.save();
v.getDrawable().draw(canvas); v.draw(canvas);
canvas.restore(); canvas.restore();
canvas.drawColor(mHighlightColor, PorterDuff.Mode.SRC_IN); canvas.drawColor(mHighlightColor, PorterDuff.Mode.SRC_IN);
canvas.setBitmap(null); canvas.setBitmap(null);