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Commit 0a77ce27 authored by Adam Powell's avatar Adam Powell
Browse files

New edge effects for scrolling widgets (overscroll) 

TODO: Currently disabled for WebView. Assets used for the glow effect
need to be themable/styleable. Overscroll effect should take place
even when the user did not grab the widget within actual content.

Change-Id: I68277d14d37dc5bcdb9254eaddf6e4998b3f2bf4
parent 4c72ad75

api/current.xml

+568 −44
Original line number Diff line number Diff line
@@ -5894,39 +5894,6 @@ 
 visibility="public"

>

</field>

<field name="kraken_resource_pad62"

 type="int"

 transient="false"

 volatile="false"

 value="16843459"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="kraken_resource_pad63"

 type="int"

 transient="false"

 volatile="false"

 value="16843458"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="kraken_resource_pad64"

 type="int"

 transient="false"

 volatile="false"

 value="16843457"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="kraken_resource_pad7"

 type="int"

 transient="false"
@@ -7016,6 +6983,39 @@ 
 visibility="public"

>

</field>

<field name="overscrollFooter"

 type="int"

 transient="false"

 volatile="false"

 value="16843459"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="overscrollHeader"

 type="int"

 transient="false"

 volatile="false"

 value="16843458"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="overscrollMode"

 type="int"

 transient="false"

 volatile="false"

 value="16843457"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="padding"

 type="int"

 transient="false"
@@ -44970,6 +44970,17 @@ 
 deprecated="not deprecated"

 visibility="public"

>

<method name="apply"

 return="void"

 abstract="true"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="clear"

 return="android.content.SharedPreferences.Editor"

 abstract="true"
@@ -45080,17 +45091,6 @@ 
<parameter name="key" type="java.lang.String">

</parameter>

</method>

<method name="apply"

 return="void"

 abstract="true"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

</interface>

<interface name="SharedPreferences.OnSharedPreferenceChangeListener"

 abstract="true"
@@ -185778,6 +185778,17 @@ 
 visibility="public"

>

</method>

<method name="getOverscrollMode"

 return="int"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getPaddingBottom"

 return="int"

 abstract="false"
@@ -186918,6 +186929,25 @@ 
<parameter name="heightMeasureSpec" type="int">

</parameter>

</method>

<method name="onOverscrolled"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="protected"

>

<parameter name="scrollX" type="int">

</parameter>

<parameter name="scrollY" type="int">

</parameter>

<parameter name="clampedX" type="boolean">

</parameter>

<parameter name="clampedY" type="boolean">

</parameter>

</method>

<method name="onRestoreInstanceState"

 return="void"

 abstract="false"
@@ -187071,6 +187101,35 @@ 
<parameter name="visibility" type="int">

</parameter>

</method>

<method name="overscrollBy"

 return="boolean"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="protected"

>

<parameter name="deltaX" type="int">

</parameter>

<parameter name="deltaY" type="int">

</parameter>

<parameter name="scrollX" type="int">

</parameter>

<parameter name="scrollY" type="int">

</parameter>

<parameter name="scrollRangeX" type="int">

</parameter>

<parameter name="scrollRangeY" type="int">

</parameter>

<parameter name="maxOverscrollX" type="int">

</parameter>

<parameter name="maxOverscrollY" type="int">

</parameter>

<parameter name="isTouchEvent" type="boolean">

</parameter>

</method>

<method name="performClick"

 return="boolean"

 abstract="false"
@@ -187897,6 +187956,19 @@ 
<parameter name="l" type="android.view.View.OnTouchListener">

</parameter>

</method>

<method name="setOverscrollMode"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="overscrollMode" type="int">

</parameter>

</method>

<method name="setPadding"

 return="void"

 abstract="false"
@@ -188519,6 +188591,39 @@ 
 visibility="public"

>

</field>

<field name="OVERSCROLL_ALWAYS"

 type="int"

 transient="false"

 volatile="false"

 value="0"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="OVERSCROLL_IF_CONTENT_SCROLLS"

 type="int"

 transient="false"

 volatile="false"

 value="1"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="OVERSCROLL_NEVER"

 type="int"

 transient="false"

 volatile="false"

 value="2"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="PRESSED_ENABLED_FOCUSED_SELECTED_STATE_SET"

 type="int[]"

 transient="false"
@@ -189281,6 +189386,28 @@ 
 visibility="public"

>

</method>

<method name="getScaledOverflingDistance"

 return="int"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getScaledOverscrollDistance"

 return="int"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getScaledPagingTouchSlop"

 return="int"

 abstract="false"
@@ -203473,6 +203600,17 @@ 
 visibility="public"

>

</method>

<method name="getUseWebViewBackgroundForOverscrollBackground"

 return="boolean"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getUseWideViewPort"

 return="boolean"

 abstract="false"
@@ -204065,6 +204203,19 @@ 
<parameter name="use" type="boolean">

</parameter>

</method>

<method name="setUseWebViewBackgroundForOverscrollBackground"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="view" type="boolean">

</parameter>

</method>

<method name="setUseWideViewPort"

 return="void"

 abstract="false"
@@ -214675,6 +214826,28 @@ 
 visibility="public"

>

</method>

<method name="getOverscrollFooter"

 return="android.graphics.drawable.Drawable"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getOverscrollHeader"

 return="android.graphics.drawable.Drawable"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="isItemChecked"

 return="boolean"

 abstract="false"
@@ -214820,6 +214993,32 @@ 
<parameter name="itemsCanFocus" type="boolean">

</parameter>

</method>

<method name="setOverscrollFooter"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="footer" type="android.graphics.drawable.Drawable">

</parameter>

</method>

<method name="setOverscrollHeader"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="header" type="android.graphics.drawable.Drawable">

</parameter>

</method>

<method name="setSelection"

 return="void"

 abstract="false"
@@ -215391,6 +215590,331 @@ 
</parameter>

</method>

</interface>

<class name="OverScroller"

 extends="java.lang.Object"

 abstract="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<constructor name="OverScroller"

 type="android.widget.OverScroller"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="context" type="android.content.Context">

</parameter>

</constructor>

<constructor name="OverScroller"

 type="android.widget.OverScroller"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="context" type="android.content.Context">

</parameter>

<parameter name="interpolator" type="android.view.animation.Interpolator">

</parameter>

</constructor>

<constructor name="OverScroller"

 type="android.widget.OverScroller"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="context" type="android.content.Context">

</parameter>

<parameter name="interpolator" type="android.view.animation.Interpolator">

</parameter>

<parameter name="bounceCoefficientX" type="float">

</parameter>

<parameter name="bounceCoefficientY" type="float">

</parameter>

</constructor>

<method name="abortAnimation"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="computeScrollOffset"

 return="boolean"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="fling"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="startX" type="int">

</parameter>

<parameter name="startY" type="int">

</parameter>

<parameter name="velocityX" type="int">

</parameter>

<parameter name="velocityY" type="int">

</parameter>

<parameter name="minX" type="int">

</parameter>

<parameter name="maxX" type="int">

</parameter>

<parameter name="minY" type="int">

</parameter>

<parameter name="maxY" type="int">

</parameter>

</method>

<method name="fling"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="startX" type="int">

</parameter>

<parameter name="startY" type="int">

</parameter>

<parameter name="velocityX" type="int">

</parameter>

<parameter name="velocityY" type="int">

</parameter>

<parameter name="minX" type="int">

</parameter>

<parameter name="maxX" type="int">

</parameter>

<parameter name="minY" type="int">

</parameter>

<parameter name="maxY" type="int">

</parameter>

<parameter name="overX" type="int">

</parameter>

<parameter name="overY" type="int">

</parameter>

</method>

<method name="forceFinished"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="finished" type="boolean">

</parameter>

</method>

<method name="getCurrX"

 return="int"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getCurrY"

 return="int"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getFinalX"

 return="int"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getFinalY"

 return="int"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getStartX"

 return="int"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getStartY"

 return="int"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="isFinished"

 return="boolean"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="isOverscrolled"

 return="boolean"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="notifyHorizontalEdgeReached"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="startX" type="int">

</parameter>

<parameter name="finalX" type="int">

</parameter>

<parameter name="overX" type="int">

</parameter>

</method>

<method name="notifyVerticalEdgeReached"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="startY" type="int">

</parameter>

<parameter name="finalY" type="int">

</parameter>

<parameter name="overY" type="int">

</parameter>

</method>

<method name="springback"

 return="boolean"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="startX" type="int">

</parameter>

<parameter name="startY" type="int">

</parameter>

<parameter name="minX" type="int">

</parameter>

<parameter name="maxX" type="int">

</parameter>

<parameter name="minY" type="int">

</parameter>

<parameter name="maxY" type="int">

</parameter>

</method>

<method name="startScroll"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="startX" type="int">

</parameter>

<parameter name="startY" type="int">

</parameter>

<parameter name="dx" type="int">

</parameter>

<parameter name="dy" type="int">

</parameter>

</method>

<method name="startScroll"

 return="void"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

<parameter name="startX" type="int">

</parameter>

<parameter name="startY" type="int">

</parameter>

<parameter name="dx" type="int">

</parameter>

<parameter name="dy" type="int">

</parameter>

<parameter name="duration" type="int">

</parameter>

</method>

</class>

<class name="PopupWindow"

 extends="java.lang.Object"

 abstract="false"

core/java/android/view/View.java

+162 −0
Original line number Diff line number Diff line
@@ -1520,6 +1520,40 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility 
     */

    private static final int AWAKEN_SCROLL_BARS_ON_ATTACH = 0x08000000;



    /**

     * Always allow a user to overscroll this view, provided it is a

     * view that can scroll.

     *

     * @see #getOverscrollMode()

     * @see #setOverscrollMode(int)

     */

    public static final int OVERSCROLL_ALWAYS = 0;



    /**

     * Allow a user to overscroll this view only if the content is large

     * enough to meaningfully scroll, provided it is a view that can scroll.

     *

     * @see #getOverscrollMode()

     * @see #setOverscrollMode(int)

     */

    public static final int OVERSCROLL_IF_CONTENT_SCROLLS = 1;



    /**

     * Never allow a user to overscroll this view.

     *

     * @see #getOverscrollMode()

     * @see #setOverscrollMode(int)

     */

    public static final int OVERSCROLL_NEVER = 2;



    /**

     * Controls the overscroll mode for this view.

     * See {@link #overscrollBy(int, int, int, int, int, int, int, int, boolean)},

     * {@link #OVERSCROLL_ALWAYS}, {@link #OVERSCROLL_IF_CONTENT_SCROLLS},

     * and {@link #OVERSCROLL_NEVER}.

     */

    private int mOverscrollMode = OVERSCROLL_ALWAYS;



    /**

     * The parent this view is attached to.

     * {@hide}
@@ -1877,6 +1911,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility 


        int scrollbarStyle = SCROLLBARS_INSIDE_OVERLAY;



        int overscrollMode = mOverscrollMode;

        final int N = a.getIndexCount();

        for (int i = 0; i < N; i++) {

            int attr = a.getIndex(i);
@@ -2076,9 +2111,14 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility 
                        });

                    }

                    break;

                case R.styleable.View_overscrollMode:

                    overscrollMode = a.getInt(attr, OVERSCROLL_ALWAYS);

                    break;

            }

        }



        setOverscrollMode(overscrollMode);



        if (background != null) {

            setBackgroundDrawable(background);

        }
@@ -8680,6 +8720,128 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility 
        return factory.inflate(resource, root);

    }



    /**

     * Scroll the view with standard behavior for scrolling beyond the normal

     * content boundaries. Views that call this method should override

     * {@link #onOverscrolled(int, int, boolean, boolean)} to respond to the

     * results of an overscroll operation.

     *

     * Views can use this method to handle any touch or fling-based scrolling.

     *

     * @param deltaX Change in X in pixels

     * @param deltaY Change in Y in pixels

     * @param scrollX Current X scroll value in pixels before applying deltaX

     * @param scrollY Current Y scroll value in pixels before applying deltaY

     * @param scrollRangeX Maximum content scroll range along the X axis

     * @param scrollRangeY Maximum content scroll range along the Y axis

     * @param maxOverscrollX Number of pixels to overscroll by in either direction

     *          along the X axis.

     * @param maxOverscrollY Number of pixels to overscroll by in either direction

     *          along the Y axis.

     * @param isTouchEvent true if this scroll operation is the result of a touch event.

     * @return true if scrolling was clamped to an overscroll boundary along either

     *          axis, false otherwise.

     */

    protected boolean overscrollBy(int deltaX, int deltaY,

            int scrollX, int scrollY,

            int scrollRangeX, int scrollRangeY,

            int maxOverscrollX, int maxOverscrollY,

            boolean isTouchEvent) {

        final int overscrollMode = mOverscrollMode;

        final boolean canScrollHorizontal =

                computeHorizontalScrollRange() > computeHorizontalScrollExtent();

        final boolean canScrollVertical =

                computeVerticalScrollRange() > computeVerticalScrollExtent();

        final boolean overscrollHorizontal = overscrollMode == OVERSCROLL_ALWAYS ||

                (overscrollMode == OVERSCROLL_IF_CONTENT_SCROLLS && canScrollHorizontal);

        final boolean overscrollVertical = overscrollMode == OVERSCROLL_ALWAYS ||

                (overscrollMode == OVERSCROLL_IF_CONTENT_SCROLLS && canScrollVertical);



        int newScrollX = scrollX + deltaX;

        if (!overscrollHorizontal) {

            maxOverscrollX = 0;

        }



        int newScrollY = scrollY + deltaY;

        if (!overscrollVertical) {

            maxOverscrollY = 0;

        }



        // Clamp values if at the limits and record

        final int left = -maxOverscrollX;

        final int right = maxOverscrollX + scrollRangeX;

        final int top = -maxOverscrollY;

        final int bottom = maxOverscrollY + scrollRangeY;



        boolean clampedX = false;

        if (newScrollX > right) {

            newScrollX = right;

            clampedX = true;

        } else if (newScrollX < left) {

            newScrollX = left;

            clampedX = true;

        }



        boolean clampedY = false;

        if (newScrollY > bottom) {

            newScrollY = bottom;

            clampedY = true;

        } else if (newScrollY < top) {

            newScrollY = top;

            clampedY = true;

        }



        onOverscrolled(newScrollX, newScrollY, clampedX, clampedY);



        return clampedX || clampedY;

    }



    /**

     * Called by {@link #overscrollBy(int, int, int, int, int, int, int, int, boolean)} to

     * respond to the results of an overscroll operation.

     *

     * @param scrollX New X scroll value in pixels

     * @param scrollY New Y scroll value in pixels

     * @param clampedX True if scrollX was clamped to an overscroll boundary

     * @param clampedY True if scrollY was clamped to an overscroll boundary

     */

    protected void onOverscrolled(int scrollX, int scrollY,

            boolean clampedX, boolean clampedY) {

        // Intentionally empty.

    }



    /**

     * Returns the overscroll mode for this view. The result will be

     * one of {@link #OVERSCROLL_ALWAYS} (default), {@link #OVERSCROLL_IF_CONTENT_SCROLLS}

     * (allow overscrolling only if the view content is larger than the container),

     * or {@link #OVERSCROLL_NEVER}.

     *

     * @return This view's overscroll mode.

     */

    public int getOverscrollMode() {

        return mOverscrollMode;

    }



    /**

     * Set the overscroll mode for this view. Valid overscroll modes are

     * {@link #OVERSCROLL_ALWAYS} (default), {@link #OVERSCROLL_IF_CONTENT_SCROLLS}

     * (allow overscrolling only if the view content is larger than the container),

     * or {@link #OVERSCROLL_NEVER}.

     *

     * Setting the overscroll mode of a view will have an effect only if the

     * view is capable of scrolling.

     *

     * @param overscrollMode The new overscroll mode for this view.

     */

    public void setOverscrollMode(int overscrollMode) {

        if (overscrollMode != OVERSCROLL_ALWAYS &&

                overscrollMode != OVERSCROLL_IF_CONTENT_SCROLLS &&

                overscrollMode != OVERSCROLL_NEVER) {

            throw new IllegalArgumentException("Invalid overscroll mode " + overscrollMode);

        }

        mOverscrollMode = overscrollMode;

    }



    /**

     * A MeasureSpec encapsulates the layout requirements passed from parent to child.

     * Each MeasureSpec represents a requirement for either the width or the height.

core/java/android/view/ViewConfiguration.java

+31 −0
Original line number Diff line number Diff line
@@ -140,6 +140,16 @@ public class ViewConfiguration { 
     */

    private static float SCROLL_FRICTION = 0.015f;



    /**

     * Max distance to overscroll for edge effects

     */

    private static final int OVERSCROLL_DISTANCE = 4;



    /**

     * Max distance to overfling for edge effects

     */

    private static final int OVERFLING_DISTANCE = 8;



    private final int mEdgeSlop;

    private final int mFadingEdgeLength;

    private final int mMinimumFlingVelocity;
@@ -150,6 +160,8 @@ public class ViewConfiguration { 
    private final int mDoubleTapSlop;

    private final int mWindowTouchSlop;

    private final int mMaximumDrawingCacheSize;

    private final int mOverscrollDistance;

    private final int mOverflingDistance;



    private static final SparseArray<ViewConfiguration> sConfigurations =

            new SparseArray<ViewConfiguration>(2);
@@ -170,6 +182,8 @@ public class ViewConfiguration { 
        mWindowTouchSlop = WINDOW_TOUCH_SLOP;

        //noinspection deprecation

        mMaximumDrawingCacheSize = MAXIMUM_DRAWING_CACHE_SIZE;

        mOverscrollDistance = OVERSCROLL_DISTANCE;

        mOverflingDistance = OVERFLING_DISTANCE;

    }



    /**
@@ -198,6 +212,9 @@ public class ViewConfiguration { 


        // Size of the screen in bytes, in ARGB_8888 format

        mMaximumDrawingCacheSize = 4 * metrics.widthPixels * metrics.heightPixels;



        mOverscrollDistance = (int) (density * OVERSCROLL_DISTANCE + 0.5f);

        mOverflingDistance = (int) (density * OVERFLING_DISTANCE + 0.5f);

    }



    /**
@@ -454,6 +471,20 @@ public class ViewConfiguration { 
        return mMaximumDrawingCacheSize;

    }



    /**

     * @return The maximum distance a View should overscroll by when showing edge effects.

     */

    public int getScaledOverscrollDistance() {

        return mOverscrollDistance;

    }



    /**

     * @return The maximum distance a View should overfling by when showing edge effects.

     */

    public int getScaledOverflingDistance() {

        return mOverflingDistance;

    }



    /**

     * The amount of time that the zoom controls should be

     * displayed on the screen expressed in milliseconds.

core/java/android/webkit/WebSettings.java

+18 −0
Original line number Diff line number Diff line
@@ -207,6 +207,7 @@ public class WebSettings { 
    private boolean         mBuiltInZoomControls = false;

    private boolean         mAllowFileAccess = true;

    private boolean         mLoadWithOverviewMode = false;

    private boolean         mUseWebViewBackgroundOverscrollBackground = true;



    // private WebSettings, not accessible by the host activity

    static private int      mDoubleTapToastCount = 3;
@@ -484,6 +485,23 @@ public class WebSettings { 
        return mLoadWithOverviewMode;

    }



    /**

     * Set whether the WebView uses its background for over scroll background.

     * If true, it will use the WebView's background. If false, it will use an

     * internal pattern. Default is true.

     */

    public void setUseWebViewBackgroundForOverscrollBackground(boolean view) {

        mUseWebViewBackgroundOverscrollBackground = view;

    }



    /**

     * Returns true if this WebView uses WebView's background instead of

     * internal pattern for over scroll background.

     */

    public boolean getUseWebViewBackgroundForOverscrollBackground() {

        return mUseWebViewBackgroundOverscrollBackground;

    }



    /**

     * Store whether the WebView is saving form data.

     */

core/java/android/webkit/WebView.java

+150 −43

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