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Commit 278ec5d6 authored by Karl Rosaen's avatar Karl Rosaen
Browse files

Add better transition to rotary lock widget when triggering: spin around instead of snap back. 

Also add some icons and make a layout tweak, used by the lock screen (coming in a commit
to android.policy).
parent 27272bfa

core/java/com/android/internal/widget/RotarySelector.java

+41 −33
Original line number Diff line number Diff line
@@ -69,12 +69,6 @@ public class RotarySelector extends View { 
    private int mAnimatingDelta;

    private AccelerateInterpolator mInterpolator;



    /**

     * True after triggering an action if the user of {@link OnDialTriggerListener} wants to

     * freeze the UI (until they transition to another screen).

     */

    private boolean mFrozen = false;



    /**

     * If the user is currently dragging something.

     */
@@ -119,6 +113,9 @@ public class RotarySelector extends View { 


    private static final boolean DRAW_CENTER_DIMPLE = false;

    private int mEdgeTriggerThresh;

    private int mDimpleWidth;

    private int mBackgroundWidth;

    private int mBackgroundHeight;



    public RotarySelector(Context context) {

        this(context, null);
@@ -155,6 +152,11 @@ public class RotarySelector extends View { 
        mInterpolator = new AccelerateInterpolator();



        mEdgeTriggerThresh = (int) (mDensity * EDGE_TRIGGER_DIP);



        mDimpleWidth = mDimple.getIntrinsicWidth();



        mBackgroundWidth = mBackground.getIntrinsicWidth();

        mBackgroundHeight = mBackground.getIntrinsicHeight();

    }



    /**
@@ -214,7 +216,7 @@ public class RotarySelector extends View { 
        final int width = MeasureSpec.getSize(widthMeasureSpec);  // screen width



        final int arrowH = mArrowShortLeftAndRight.getIntrinsicHeight();

        final int backgroundH = mBackground.getIntrinsicHeight();

        final int backgroundH = mBackgroundHeight;



        // by making the height less than arrow + bg, arrow and bg will be scrunched together,

        // overlaying somewhat (though on transparent portions of the drawable).
@@ -228,9 +230,9 @@ public class RotarySelector extends View { 
    protected void onSizeChanged(int w, int h, int oldw, int oldh) {

        super.onSizeChanged(w, h, oldw, oldh);



        mLeftHandleX = (int) (EDGE_PADDING_DIP * mDensity) + mDimple.getIntrinsicWidth() / 2;

        mLeftHandleX = (int) (EDGE_PADDING_DIP * mDensity) + mDimpleWidth / 2;

        mRightHandleX =

                getWidth() - (int) (EDGE_PADDING_DIP * mDensity) - mDimple.getIntrinsicWidth() / 2;

                getWidth() - (int) (EDGE_PADDING_DIP * mDensity) - mDimpleWidth / 2;

    }



//    private Paint mPaint = new Paint();
@@ -239,15 +241,14 @@ public class RotarySelector extends View { 
    protected void onDraw(Canvas canvas) {

        super.onDraw(canvas);

        if (DBG) {

            log(String.format("onDraw: mAnimating=%s, mTouchDragOffset=%d, mGrabbedState=%d," +

                    "mFrozen=%s",

                    mAnimating, mTouchDragOffset, mGrabbedState, mFrozen));

            log(String.format("onDraw: mAnimating=%s, mTouchDragOffset=%d, mGrabbedState=%d",

                    mAnimating, mTouchDragOffset, mGrabbedState));

        }



        final int height = getHeight();



        // update animating state before we draw anything

        if (mAnimating && !mFrozen) {

        if (mAnimating) {

            long millisLeft = mAnimationEndTime - currentAnimationTimeMillis();

            if (DBG) log("millisleft for animating: " + millisLeft);

            if (millisLeft <= 0) {
@@ -260,8 +261,8 @@ public class RotarySelector extends View { 
        }



        // Background:

        final int backgroundW = mBackground.getIntrinsicWidth();

        final int backgroundH = mBackground.getIntrinsicHeight();

        final int backgroundW = mBackgroundWidth;

        final int backgroundH = mBackgroundHeight;

        final int backgroundY = height - backgroundH;

        if (DBG) log("- Background INTRINSIC: " + backgroundW + " x " + backgroundH);

        mBackground.setBounds(0, backgroundY,
@@ -383,12 +384,12 @@ public class RotarySelector extends View { 
     */

    @Override

    public boolean onTouchEvent(MotionEvent event) {

        if (mAnimating || mFrozen) {

        if (mAnimating) {

            return true;

        }



        final int eventX = (int) event.getX();

        final int hitWindow = mDimple.getIntrinsicWidth();

        final int hitWindow = mDimpleWidth;



        final int action = event.getAction();

        switch (action) {
@@ -419,14 +420,29 @@ public class RotarySelector extends View { 
                    invalidate();

                    if (eventX >= getRight() - mEdgeTriggerThresh && !mTriggered) {

                        mTriggered = true;

                        mFrozen = dispatchTriggerEvent(OnDialTriggerListener.LEFT_HANDLE);

                        dispatchTriggerEvent(OnDialTriggerListener.LEFT_HANDLE);

                        // set up "spin around animation"

                        mAnimating = true;

                        mAnimationEndTime = currentAnimationTimeMillis() + ANIMATION_DURATION_MILLIS;

                        mAnimatingDelta = -mBackgroundWidth;

                        mTouchDragOffset = 0;

                        mGrabbedState = NOTHING_GRABBED;

                        invalidate();



                    }

                } else if (mGrabbedState == RIGHT_HANDLE_GRABBED) {

                    mTouchDragOffset = eventX - mRightHandleX;

                    invalidate();

                    if (eventX <= mEdgeTriggerThresh && !mTriggered) {

                        mTriggered = true;

                        mFrozen = dispatchTriggerEvent(OnDialTriggerListener.RIGHT_HANDLE);

                        dispatchTriggerEvent(OnDialTriggerListener.RIGHT_HANDLE);

                        // set up "spin around animation"

                        mAnimating = true;

                        mAnimationEndTime = currentAnimationTimeMillis() + ANIMATION_DURATION_MILLIS;

                        mAnimatingDelta = mBackgroundWidth;

                        mTouchDragOffset = 0;

                        mGrabbedState = NOTHING_GRABBED;

                        invalidate();

                    }

                }

                break;
@@ -435,11 +451,13 @@ public class RotarySelector extends View { 
                // handle animating back to start if they didn't trigger

                if (mGrabbedState == LEFT_HANDLE_GRABBED

                        && Math.abs(eventX - mLeftHandleX) > 5) {

                    // set up "snap back" animation

                    mAnimating = true;

                    mAnimationEndTime = currentAnimationTimeMillis() + ANIMATION_DURATION_MILLIS;

                    mAnimatingDelta = eventX - mLeftHandleX;

                } else if (mGrabbedState == RIGHT_HANDLE_GRABBED

                        && Math.abs(eventX - mRightHandleX) > 5) {

                    // set up "snap back" animation

                    mAnimating = true;

                    mAnimationEndTime = currentAnimationTimeMillis() + ANIMATION_DURATION_MILLIS;

                    mAnimatingDelta = eventX - mRightHandleX;
@@ -504,12 +522,11 @@ public class RotarySelector extends View { 
    /**

     * Dispatches a trigger event to our listener.

     */

    private boolean dispatchTriggerEvent(int whichHandle) {

    private void dispatchTriggerEvent(int whichHandle) {

        vibrate(VIBRATE_LONG);

        if (mOnDialTriggerListener != null) {

            return mOnDialTriggerListener.onDialTrigger(this, whichHandle);

            mOnDialTriggerListener.onDialTrigger(this, whichHandle);

        }

        return false;

    }



    /**
@@ -529,23 +546,14 @@ public class RotarySelector extends View { 
         */

        public static final int RIGHT_HANDLE = 2;



        /**

         * @hide

         * The center handle is currently unused.

         */

        public static final int CENTER_HANDLE = 3;



        /**

         * Called when the dial is triggered.

         *

         * @param v The view that was triggered

         * @param whichHandle  Which "dial handle" the user grabbed,

         *        either {@link #LEFT_HANDLE}, {@link #RIGHT_HANDLE}, or

         *        {@link #CENTER_HANDLE}.

         * @return Whether the widget should freeze (e.g when the action goes to another screen,

         *         you want the UI to stay put until the transition occurs).

         *        either {@link #LEFT_HANDLE}, {@link #RIGHT_HANDLE}.

         */

        boolean onDialTrigger(View v, int whichHandle);

        void onDialTrigger(View v, int whichHandle);

    }

core/res/res/drawable-hdpi/ic_lock_ringer_off.png

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+1.35 KiB
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core/res/res/drawable-hdpi/ic_lock_ringer_on.png

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core/res/res/drawable-mdpi/ic_lock_ringer_off.png

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+906 B
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core/res/res/drawable-mdpi/ic_lock_ringer_on.png

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+977 B
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