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Commit 2ba47dd8 authored by Jian-Syuan (Shane) Wong's avatar Jian-Syuan (Shane) Wong Committed by Android (Google) Code Review
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Merge "Add velocity APIs to View" into main

parents 14a320dc 71d7ce01

core/api/current.txt

+2 −0
Original line number Diff line number Diff line
@@ -51712,6 +51712,7 @@ package android.view { 
    method @Nullable public android.graphics.BlendMode getForegroundTintBlendMode();

    method @Nullable public android.content.res.ColorStateList getForegroundTintList();

    method @Nullable public android.graphics.PorterDuff.Mode getForegroundTintMode();

    method @FlaggedApi("android.view.flags.view_velocity_api") public float getFrameContentVelocity();

    method public boolean getGlobalVisibleRect(android.graphics.Rect, android.graphics.Point);

    method public final boolean getGlobalVisibleRect(android.graphics.Rect);

    method public android.os.Handler getHandler();
@@ -52089,6 +52090,7 @@ package android.view { 
    method public void setForegroundTintBlendMode(@Nullable android.graphics.BlendMode);

    method public void setForegroundTintList(@Nullable android.content.res.ColorStateList);

    method public void setForegroundTintMode(@Nullable android.graphics.PorterDuff.Mode);

    method @FlaggedApi("android.view.flags.view_velocity_api") public void setFrameContentVelocity(float);

    method public void setHandwritingBoundsOffsets(float, float, float, float);

    method public void setHandwritingDelegatorCallback(@Nullable Runnable);

    method public void setHapticFeedbackEnabled(boolean);

core/java/android/view/View.java

+37 −0
Original line number Diff line number Diff line
@@ -26,6 +26,8 @@ import static android.view.displayhash.DisplayHashResultCallback.DISPLAY_HASH_ER 
import static android.view.displayhash.DisplayHashResultCallback.DISPLAY_HASH_ERROR_UNKNOWN;

import static android.view.displayhash.DisplayHashResultCallback.EXTRA_DISPLAY_HASH;

import static android.view.displayhash.DisplayHashResultCallback.EXTRA_DISPLAY_HASH_ERROR_CODE;

import static android.view.flags.Flags.FLAG_VIEW_VELOCITY_API;

import static android.view.flags.Flags.viewVelocityApi;















import static com.android.internal.util.FrameworkStatsLog.TOUCH_GESTURE_CLASSIFIED__CLASSIFICATION__DEEP_PRESS;















import static com.android.internal.util.FrameworkStatsLog.TOUCH_GESTURE_CLASSIFIED__CLASSIFICATION__LONG_PRESS;









@@ -40,6 +42,7 @@ import android.annotation.AttrRes;













import android.annotation.CallSuper;















import android.annotation.ColorInt;















import android.annotation.DrawableRes;













import android.annotation.FlaggedApi;















import android.annotation.FloatRange;















import android.annotation.IdRes;















import android.annotation.IntDef;










@@ -5499,6 +5502,8 @@ public class View implements Drawable.Callback, KeyEvent.Callback,













    @Nullable















    private ViewTranslationCallback mViewTranslationCallback;



























    private float mFrameContentVelocity = 0;



























    @Nullable





























    private ViewTranslationResponse mViewTranslationResponse;










@@ -24099,6 +24104,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback,













    public void draw(@NonNull Canvas canvas) {















        final int privateFlags = mPrivateFlags;















        mPrivateFlags = (privateFlags & ~PFLAG_DIRTY_MASK) | PFLAG_DRAWN;













        mFrameContentVelocity = 0;





























        /*















         * Draw traversal performs several drawing steps which must be executed










@@ -32979,4 +32985,35 @@ public class View implements Drawable.Callback, KeyEvent.Callback,













        }















        return null;















    }

























    /**













     * Set the current velocity of the View, we only track positive value.













     * We will use the velocity information to adjust the frame rate when applicable.













     * For example, we could potentially lower the frame rate when













     * the velocity of a fling gesture becomes slower.













     * Note that this is only valid till the next drawn frame.













     *













     * @param pixelsPerSecond how many pixels move per second.













     */













    @FlaggedApi(FLAG_VIEW_VELOCITY_API)













    public void setFrameContentVelocity(float pixelsPerSecond) {













        if (viewVelocityApi()) {













            mFrameContentVelocity = Math.abs(pixelsPerSecond);













        }













    }

























    /**













     * Get the current velocity of the View.













     * The value should always be greater than or equal to 0.













     * Note that this is only valid till the next drawn frame.













     *













     * @return 0 by default, or value passed to {@link #setFrameContentVelocity(float)}.













     */













    @FlaggedApi(FLAG_VIEW_VELOCITY_API)













    public float getFrameContentVelocity() {













        if (viewVelocityApi()) {













            return mFrameContentVelocity;













        }













        return 0;













    }















}