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Commit da2819ed authored by Vinit Nayak's avatar Vinit Nayak
Browse files

Improves overview split adjacent launch animation 

* Translation gets scaled along with the parent,
so the secondary thumbnailView which has a translate on
it gets exaggerated as the parent goes to fullscreen
scale.
* Now we inversely scale translationX/Y properties,
however it seems like the interpolation is still slighly
off at the beginning of the animation (or maybe some other
value, such as pivot, etc)

Bug: 260814999
Test: Manually slowed down animation and observed
Change-Id: I831476b4ffb582fecbd166525ceea33623e66bdd
Merged-In: I831476b4ffb582fecbd166525ceea33623e66bdd
parent 19aeae3e

quickstep/src/com/android/quickstep/TaskViewUtils.java

+13 −0
Original line number Diff line number Diff line
@@ -22,6 +22,8 @@ import static android.view.WindowManager.TRANSIT_OPEN; 
import static android.view.WindowManager.TRANSIT_TO_FRONT;



import static com.android.launcher3.LauncherAnimUtils.VIEW_ALPHA;

import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X;

import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y;

import static com.android.launcher3.LauncherState.BACKGROUND_APP;

import static com.android.launcher3.LauncherState.NORMAL;

import static com.android.launcher3.QuickstepTransitionManager.ANIMATION_DELAY_NAV_FADE_IN;
@@ -330,6 +332,17 @@ public final class TaskViewUtils { 
                Matrix localMti = new Matrix();

                localMt.invert(localMti);

                mti[i] = localMti;



                // Translations for child thumbnails also get scaled as the parent taskView scales

                // Add inverse scaling to keep translations the same

                float translationY = ttv.getTranslationY();

                float translationX = ttv.getTranslationX();

                float fullScreenScale =

                        topMostSimulators[i].getTaskViewSimulator().getFullScreenScale();

                out.addFloat(ttv, VIEW_TRANSLATE_Y, translationY,

                        translationY / fullScreenScale, TOUCH_RESPONSE_INTERPOLATOR);

                out.addFloat(ttv, VIEW_TRANSLATE_X, translationX,

                         translationX / fullScreenScale, TOUCH_RESPONSE_INTERPOLATOR);

            }



            Matrix[] k0i = new Matrix[matrixSize];

src/com/android/launcher3/Utilities.java

+10 −0
Original line number Diff line number Diff line
@@ -723,4 +723,14 @@ public final class Utilities { 
        }

        return options;

    }



    /** Logs the Scale and Translate properties of a matrix. Ignores skew and perspective. */

    public static void logMatrix(String label, Matrix matrix) {

        float[] matrixValues = new float[9];

        matrix.getValues(matrixValues);

        Log.d(label, String.format("%s: %s\nscale (x,y) = (%f, %f)\ntranslate (x,y) = (%f, %f)",

                label, matrix, matrixValues[Matrix.MSCALE_X], matrixValues[Matrix.MSCALE_Y],

                matrixValues[Matrix.MTRANS_X], matrixValues[Matrix.MTRANS_Y]

        ));

    }

}