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Commit bdfb7ffa authored by Hawkwood Glazier's avatar Hawkwood Glazier Committed by Automerger Merge Worker
Browse files

Merge "Only call saveLayerAlpha when alpha is not at max or min values" into udc-dev am: 653c1079 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23261577



Change-Id: Iddb3ecc9c4be6eb5ccad34856246bc03df96e3f0
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 0875158e 653c1079

packages/SystemUI/src/com/android/keyguard/KeyguardClockFrame.kt

+18 −5
Original line number Diff line number Diff line
@@ -18,14 +18,24 @@ class KeyguardClockFrame( 
    }



    protected override fun dispatchDraw(canvas: Canvas) {

        val restoreTo = saveCanvasAlpha(this, canvas, drawAlpha)

        super.dispatchDraw(canvas)

        canvas.restoreToCount(restoreTo)

        saveCanvasAlpha(this, canvas, drawAlpha) { super.dispatchDraw(it) }

    }



    companion object {

        @JvmStatic

        fun saveCanvasAlpha(view: View, canvas: Canvas, alpha: Int): Int {

        fun saveCanvasAlpha(view: View, canvas: Canvas, alpha: Int, drawFunc: (Canvas) -> Unit) {

            if (alpha <= 0) {

                // Zero Alpha -> skip drawing phase

                return

            }



            if (alpha >= 255) {

                // Max alpha -> no need for layer

                drawFunc(canvas)

                return

            }



            // Find x & y of view on screen

            var (x, y) =

                run {

                    val locationOnScreen = IntArray(2)
@@ -33,7 +43,10 @@ class KeyguardClockFrame( 
                    Pair(locationOnScreen[0].toFloat(), locationOnScreen[1].toFloat())

                }



            return canvas.saveLayerAlpha(-1f * x, -1f * y, x + view.width, y + view.height, alpha)

            val restoreTo =

                canvas.saveLayerAlpha(-1f * x, -1f * y, x + view.width, y + view.height, alpha)

            drawFunc(canvas)

            canvas.restoreToCount(restoreTo)

        }

    }

}

packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitch.java

+6 −3
Original line number Diff line number Diff line
@@ -130,9 +130,12 @@ public class KeyguardClockSwitch extends RelativeLayout { 


    @Override

    protected void dispatchDraw(Canvas canvas) {

        int restoreTo = KeyguardClockFrame.saveCanvasAlpha(this, canvas, mDrawAlpha);

        super.dispatchDraw(canvas);

        canvas.restoreToCount(restoreTo);

        KeyguardClockFrame.saveCanvasAlpha(

                this, canvas, mDrawAlpha,

                c -> {

                    super.dispatchDraw(c);

                    return kotlin.Unit.INSTANCE;

                });

    }



    public void setLogBuffer(LogBuffer logBuffer) {

packages/SystemUI/src/com/android/keyguard/KeyguardStatusContainer.kt

+1 −3
Original line number Diff line number Diff line
@@ -17,8 +17,6 @@ class KeyguardStatusContainer( 
    }



    protected override fun dispatchDraw(canvas: Canvas) {

        val restoreTo = KeyguardClockFrame.saveCanvasAlpha(this, canvas, drawAlpha)

        super.dispatchDraw(canvas)

        canvas.restoreToCount(restoreTo)

        KeyguardClockFrame.saveCanvasAlpha(this, canvas, drawAlpha) { super.dispatchDraw(canvas) }

    }

}

packages/SystemUI/src/com/android/keyguard/KeyguardStatusView.java

+6 −3
Original line number Diff line number Diff line
@@ -146,8 +146,11 @@ public class KeyguardStatusView extends GridLayout { 


    @Override

    protected void dispatchDraw(Canvas canvas) {

        int restoreTo = KeyguardClockFrame.saveCanvasAlpha(this, canvas, mDrawAlpha);

        super.dispatchDraw(canvas);

        canvas.restoreToCount(restoreTo);

        KeyguardClockFrame.saveCanvasAlpha(

                this, canvas, mDrawAlpha,

                c -> {

                    super.dispatchDraw(c);

                    return kotlin.Unit.INSTANCE;

                });

    }

}