diff options
Diffstat (limited to 'core/java/android/widget/RadialTimePickerView.java')
| -rw-r--r-- | core/java/android/widget/RadialTimePickerView.java | 538 |
1 files changed, 396 insertions, 142 deletions
diff --git a/core/java/android/widget/RadialTimePickerView.java b/core/java/android/widget/RadialTimePickerView.java index d15f2d6e9e08..24fc2bb9a8d2 100644 --- a/core/java/android/widget/RadialTimePickerView.java +++ b/core/java/android/widget/RadialTimePickerView.java @@ -28,13 +28,13 @@ import android.content.res.TypedArray; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; +import android.graphics.Rect; import android.graphics.Typeface; -import android.graphics.RectF; import android.os.Bundle; -import android.text.format.DateUtils; -import android.text.format.Time; import android.util.AttributeSet; +import android.util.IntArray; import android.util.Log; +import android.util.MathUtils; import android.util.TypedValue; import android.view.HapticFeedbackConstants; import android.view.MotionEvent; @@ -42,8 +42,10 @@ import android.view.View; import android.view.ViewGroup; import android.view.accessibility.AccessibilityEvent; import android.view.accessibility.AccessibilityNodeInfo; +import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction; import com.android.internal.R; +import com.android.internal.widget.ExploreByTouchHelper; import java.util.ArrayList; import java.util.Calendar; @@ -97,6 +99,9 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { private static int[] sSnapPrefer30sMap = new int[361]; + private final InvalidateUpdateListener mInvalidateUpdateListener = + new InvalidateUpdateListener(); + private final String[] mHours12Texts = new String[12]; private final String[] mOuterHours24Texts = new String[12]; private final String[] mInnerHours24Texts = new String[12]; @@ -115,7 +120,39 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { private final Paint mPaintBackground = new Paint(); private final Paint mPaintDebug = new Paint(); - private Typeface mTypeface; + private final Typeface mTypeface; + + private final float[] mCircleRadius = new float[3]; + + private final float[] mTextSize = new float[2]; + + private final float[][] mTextGridHeights = new float[2][7]; + private final float[][] mTextGridWidths = new float[2][7]; + + private final float[] mInnerTextGridHeights = new float[7]; + private final float[] mInnerTextGridWidths = new float[7]; + + private final float[] mCircleRadiusMultiplier = new float[2]; + private final float[] mNumbersRadiusMultiplier = new float[3]; + + private final float[] mTextSizeMultiplier = new float[3]; + + private final float[] mAnimationRadiusMultiplier = new float[3]; + + private final float mTransitionMidRadiusMultiplier; + private final float mTransitionEndRadiusMultiplier; + + private final int[] mLineLength = new int[3]; + private final int[] mSelectionRadius = new int[3]; + private final float mSelectionRadiusMultiplier; + private final int[] mSelectionDegrees = new int[3]; + + private final ArrayList<Animator> mHoursToMinutesAnims = new ArrayList<Animator>(); + private final ArrayList<Animator> mMinuteToHoursAnims = new ArrayList<Animator>(); + + private final RadialPickerTouchHelper mTouchHelper; + + private float mInnerTextSize; private boolean mIs24HourMode; private boolean mShowHours; @@ -129,52 +166,21 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { private int mXCenter; private int mYCenter; - private float[] mCircleRadius = new float[3]; - private int mMinHypotenuseForInnerNumber; private int mMaxHypotenuseForOuterNumber; private int mHalfwayHypotenusePoint; - private float[] mTextSize = new float[2]; - private float mInnerTextSize; - - private float[][] mTextGridHeights = new float[2][7]; - private float[][] mTextGridWidths = new float[2][7]; - - private float[] mInnerTextGridHeights = new float[7]; - private float[] mInnerTextGridWidths = new float[7]; - private String[] mOuterTextHours; private String[] mInnerTextHours; private String[] mOuterTextMinutes; - - private float[] mCircleRadiusMultiplier = new float[2]; - private float[] mNumbersRadiusMultiplier = new float[3]; - - private float[] mTextSizeMultiplier = new float[3]; - - private float[] mAnimationRadiusMultiplier = new float[3]; - - private float mTransitionMidRadiusMultiplier; - private float mTransitionEndRadiusMultiplier; - private AnimatorSet mTransition; - private InvalidateUpdateListener mInvalidateUpdateListener = new InvalidateUpdateListener(); - - private int[] mLineLength = new int[3]; - private int[] mSelectionRadius = new int[3]; - private float mSelectionRadiusMultiplier; - private int[] mSelectionDegrees = new int[3]; private int mAmOrPm; private int mDisabledAlpha; - private RectF mRectF = new RectF(); - private boolean mInputEnabled = true; private OnValueSelectedListener mListener; - private final ArrayList<Animator> mHoursToMinutesAnims = new ArrayList<Animator>(); - private final ArrayList<Animator> mMinuteToHoursAnims = new ArrayList<Animator>(); + private boolean mInputEnabled = true; public interface OnValueSelectedListener { void onValueSelected(int pickerIndex, int newValue, boolean autoAdvance); @@ -282,11 +288,21 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { return degrees; } + @SuppressWarnings("unused") + public RadialTimePickerView(Context context) { + this(context, null); + } + public RadialTimePickerView(Context context, AttributeSet attrs) { this(context, attrs, R.attr.timePickerStyle); } - public RadialTimePickerView(Context context, AttributeSet attrs, int defStyle) { + public RadialTimePickerView(Context context, AttributeSet attrs, int defStyleAttr) { + this(context, attrs, defStyleAttr, 0); + } + + public RadialTimePickerView( + Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs); // Pull disabled alpha from theme. @@ -297,7 +313,7 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { // process style attributes final Resources res = getResources(); final TypedArray a = mContext.obtainStyledAttributes(attrs, R.styleable.TimePicker, - defStyle, 0); + defStyleAttr, defStyleRes); mTypeface = Typeface.create("sans-serif", Typeface.NORMAL); @@ -382,6 +398,14 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { mIs24HourMode = false; mAmOrPm = AM; + // Set up accessibility components. + mTouchHelper = new RadialPickerTouchHelper(); + setAccessibilityDelegate(mTouchHelper); + + if (getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) { + setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES); + } + initHoursAndMinutesText(); initData(); @@ -406,8 +430,8 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { final int currentHour = calendar.get(Calendar.HOUR_OF_DAY); final int currentMinute = calendar.get(Calendar.MINUTE); - setCurrentHour(currentHour); - setCurrentMinute(currentMinute); + setCurrentHourInternal(currentHour, false, false); + setCurrentMinuteInternal(currentMinute, false); setHapticFeedbackEnabled(true); } @@ -429,8 +453,9 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { public void initialize(int hour, int minute, boolean is24HourMode) { mIs24HourMode = is24HourMode; - setCurrentHour(hour); - setCurrentMinute(minute); + + setCurrentHourInternal(hour, false, false); + setCurrentMinuteInternal(minute, false); } public void setCurrentItemShowing(int item, boolean animate) { @@ -460,17 +485,39 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { * @param hour the current hour between 0 and 23 (inclusive) */ public void setCurrentHour(int hour) { + setCurrentHourInternal(hour, true, false); + } + + /** + * Sets the current hour. + * + * @param hour The current hour + * @param callback Whether the value listener should be invoked + * @param autoAdvance Whether the listener should auto-advance to the next + * selection mode, e.g. hour to minutes + */ + private void setCurrentHourInternal(int hour, boolean callback, boolean autoAdvance) { final int degrees = (hour % 12) * DEGREES_FOR_ONE_HOUR; mSelectionDegrees[HOURS] = degrees; mSelectionDegrees[HOURS_INNER] = degrees; // 0 is 12 AM (midnight) and 12 is 12 PM (noon). - mAmOrPm = (hour == 0 || (hour % 24) < 12) ? AM : PM; - mIsOnInnerCircle = mIs24HourMode && hour >= 1 && hour <= 12; + final int amOrPm = (hour == 0 || (hour % 24) < 12) ? AM : PM; + final boolean isOnInnerCircle = mIs24HourMode && hour >= 1 && hour <= 12; + if (mAmOrPm != amOrPm || mIsOnInnerCircle != isOnInnerCircle) { + mAmOrPm = amOrPm; + mIsOnInnerCircle = isOnInnerCircle; + + initData(); + updateLayoutData(); + mTouchHelper.invalidateRoot(); + } - initData(); - updateLayoutData(); invalidate(); + + if (callback && mListener != null) { + mListener.onValueSelected(HOURS, hour, autoAdvance); + } } /** @@ -479,15 +526,19 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { * @return the current hour between 0 and 23 (inclusive) */ public int getCurrentHour() { - int hour = (mSelectionDegrees[mIsOnInnerCircle ? - HOURS_INNER : HOURS] / DEGREES_FOR_ONE_HOUR) % 12; + return getHourForDegrees( + mSelectionDegrees[mIsOnInnerCircle ? HOURS_INNER : HOURS], mIsOnInnerCircle); + } + + private int getHourForDegrees(int degrees, boolean innerCircle) { + int hour = (degrees / DEGREES_FOR_ONE_HOUR) % 12; if (mIs24HourMode) { // Convert the 12-hour value into 24-hour time based on where the // selector is positioned. - if (mIsOnInnerCircle && hour == 0) { + if (innerCircle && hour == 0) { // Inner circle is 1 through 12. hour = 12; - } else if (!mIsOnInnerCircle && hour != 0) { + } else if (!innerCircle && hour != 0) { // Outer circle is 13 through 23 and 0. hour += 12; } @@ -497,19 +548,49 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { return hour; } + private int getDegreesForHour(int hour) { + // Convert to be 0-11. + if (mIs24HourMode) { + if (hour >= 12) { + hour -= 12; + } + } else if (hour == 12) { + hour = 0; + } + return hour * DEGREES_FOR_ONE_HOUR; + } + public void setCurrentMinute(int minute) { + setCurrentMinuteInternal(minute, true); + } + + private void setCurrentMinuteInternal(int minute, boolean callback) { mSelectionDegrees[MINUTES] = (minute % 60) * DEGREES_FOR_ONE_MINUTE; + invalidate(); + + if (callback && mListener != null) { + mListener.onValueSelected(MINUTES, minute, false); + } } // Returns minutes in 0-59 range public int getCurrentMinute() { - return (mSelectionDegrees[MINUTES] / DEGREES_FOR_ONE_MINUTE); + return getMinuteForDegrees(mSelectionDegrees[MINUTES]); + } + + private int getMinuteForDegrees(int degrees) { + return degrees / DEGREES_FOR_ONE_MINUTE; + } + + private int getDegreesForMinute(int minute) { + return minute * DEGREES_FOR_ONE_MINUTE; } public void setAmOrPm(int val) { mAmOrPm = (val % 2); invalidate(); + mTouchHelper.invalidateRoot(); } public int getAmOrPm() { @@ -648,6 +729,8 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { mSelectionRadius[HOURS] = (int) (mCircleRadius[HOURS] * mSelectionRadiusMultiplier); mSelectionRadius[HOURS_INNER] = mSelectionRadius[HOURS]; mSelectionRadius[MINUTES] = (int) (mCircleRadius[MINUTES] * mSelectionRadiusMultiplier); + + mTouchHelper.invalidateRoot(); } @Override @@ -769,20 +852,17 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { float top = mYCenter - outerRadius; float right = mXCenter + outerRadius; float bottom = mYCenter + outerRadius; - mRectF = new RectF(left, top, right, bottom); - canvas.drawRect(mRectF, mPaintDebug); + canvas.drawRect(left, top, right, bottom, mPaintDebug); // Draw outer rectangle for background left = mXCenter - mCircleRadius[HOURS]; top = mYCenter - mCircleRadius[HOURS]; right = mXCenter + mCircleRadius[HOURS]; bottom = mYCenter + mCircleRadius[HOURS]; - mRectF.set(left, top, right, bottom); - canvas.drawRect(mRectF, mPaintDebug); + canvas.drawRect(left, top, right, bottom, mPaintDebug); // Draw outer view rectangle - mRectF.set(0, 0, getWidth(), getHeight()); - canvas.drawRect(mRectF, mPaintDebug); + canvas.drawRect(0, 0, getWidth(), getHeight(), mPaintDebug); // Draw selected time final String selected = String.format("%02d:%02d", getCurrentHour(), getCurrentMinute()); @@ -896,12 +976,14 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { } // Used for animating the hours by changing their radius + @SuppressWarnings("unused") private void setAnimationRadiusMultiplierHours(float animationRadiusMultiplier) { mAnimationRadiusMultiplier[HOURS] = animationRadiusMultiplier; mAnimationRadiusMultiplier[HOURS_INNER] = animationRadiusMultiplier; } // Used for animating the minutes by changing their radius + @SuppressWarnings("unused") private void setAnimationRadiusMultiplierMinutes(float animationRadiusMultiplier) { mAnimationRadiusMultiplier[MINUTES] = animationRadiusMultiplier; } @@ -1094,21 +1176,25 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { } final float opposite = Math.abs(y - mYCenter); - double degrees = Math.toDegrees(Math.asin(opposite / hypotenuse)); + int degrees = (int) (Math.toDegrees(Math.asin(opposite / hypotenuse)) + 0.5); // Now we have to translate to the correct quadrant. - boolean rightSide = (x > mXCenter); - boolean topSide = (y < mYCenter); - if (rightSide && topSide) { - degrees = 90 - degrees; - } else if (rightSide && !topSide) { - degrees = 90 + degrees; - } else if (!rightSide && !topSide) { - degrees = 270 - degrees; - } else if (!rightSide && topSide) { - degrees = 270 + degrees; + final boolean rightSide = (x > mXCenter); + final boolean topSide = (y < mYCenter); + if (rightSide) { + if (topSide) { + degrees = 90 - degrees; + } else { + degrees = 90 + degrees; + } + } else { + if (topSide) { + degrees = 270 + degrees; + } else { + degrees = 270 - degrees; + } } - return (int) degrees; + return degrees; } @Override @@ -1176,109 +1262,277 @@ public class RadialTimePickerView extends View implements View.OnTouchListener { return result; } - /** - * Necessary for accessibility, to ensure we support "scrolling" forward and backward - * in the circle. - */ - @Override - public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { - super.onInitializeAccessibilityNodeInfo(info); - info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD); - info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD); - } - - /** - * Announce the currently-selected time when launched. - */ @Override - public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { - if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) { - // Clear the event's current text so that only the current time will be spoken. - event.getText().clear(); - Time time = new Time(); - time.hour = getCurrentHour(); - time.minute = getCurrentMinute(); - long millis = time.normalize(true); - int flags = DateUtils.FORMAT_SHOW_TIME; - if (mIs24HourMode) { - flags |= DateUtils.FORMAT_24HOUR; - } - String timeString = DateUtils.formatDateTime(getContext(), millis, flags); - event.getText().add(timeString); + public boolean dispatchHoverEvent(MotionEvent event) { + // First right-of-refusal goes the touch exploration helper. + if (mTouchHelper.dispatchHoverEvent(event)) { return true; } - return super.dispatchPopulateAccessibilityEvent(event); + return super.dispatchHoverEvent(event); } - /** - * When scroll forward/backward events are received, jump the time to the higher/lower - * discrete, visible value on the circle. - */ - @Override - public boolean performAccessibilityAction(int action, Bundle arguments) { - if (super.performAccessibilityAction(action, arguments)) { - return true; + public void setInputEnabled(boolean inputEnabled) { + mInputEnabled = inputEnabled; + invalidate(); + } + + private class RadialPickerTouchHelper extends ExploreByTouchHelper { + private final Rect mTempRect = new Rect(); + + private final int TYPE_HOUR = 1; + private final int TYPE_MINUTE = 2; + + private final int SHIFT_TYPE = 0; + private final int MASK_TYPE = 0xF; + + private final int SHIFT_VALUE = 8; + private final int MASK_VALUE = 0xFF; + + /** Increment in which virtual views are exposed for minutes. */ + private final int MINUTE_INCREMENT = 5; + + public RadialPickerTouchHelper() { + super(RadialTimePickerView.this); } - int changeMultiplier = 0; - if (action == AccessibilityNodeInfo.ACTION_SCROLL_FORWARD) { - changeMultiplier = 1; - } else if (action == AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD) { - changeMultiplier = -1; + @Override + public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) { + super.onInitializeAccessibilityNodeInfo(host, info); + + info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD); + info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD); } - if (changeMultiplier != 0) { - int value; - final int stepSize; - if (mShowHours) { - stepSize = DEGREES_FOR_ONE_HOUR; - value = getCurrentHour() % 12; - } else { - stepSize = DEGREES_FOR_ONE_MINUTE; - value = getCurrentMinute(); + + @Override + public boolean performAccessibilityAction(View host, int action, Bundle arguments) { + if (super.performAccessibilityAction(host, action, arguments)) { + return true; } - int degrees = value * stepSize; - degrees = snapOnly30s(degrees, changeMultiplier); - value = degrees / stepSize; + switch (action) { + case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: + adjustPicker(1); + return true; + case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: + adjustPicker(-1); + return true; + } + + return false; + } + + private void adjustPicker(int step) { + final int stepSize; + final int initialValue; final int maxValue; - int minValue = 0; + final int minValue; if (mShowHours) { + stepSize = DEGREES_FOR_ONE_HOUR; + initialValue = getCurrentHour() % 12; + if (mIs24HourMode) { maxValue = 23; + minValue = 0; } else { maxValue = 12; minValue = 1; } } else { + stepSize = DEGREES_FOR_ONE_MINUTE; + initialValue = getCurrentMinute(); + maxValue = 55; + minValue = 0; } - if (value > maxValue) { - // If we scrolled forward past the highest number, wrap around to the lowest. - value = minValue; - } else if (value < minValue) { - // If we scrolled backward past the lowest number, wrap around to the highest. - value = maxValue; + + final int steppedValue = snapOnly30s(initialValue * stepSize, step) / stepSize; + final int clampedValue = MathUtils.constrain(steppedValue, minValue, maxValue); + if (mShowHours) { + setCurrentHour(clampedValue); + } else { + setCurrentMinute(clampedValue); + } + } + + @Override + protected int getVirtualViewAt(float x, float y) { + final int id; + final int degrees = getDegreesFromXY(x, y); + if (degrees != -1) { + final int snapDegrees = snapOnly30s(degrees, 0) % 360; + if (mShowHours) { + final int hour = getHourForDegrees(snapDegrees, mIsOnInnerCircle); + id = makeId(TYPE_HOUR, hour); + } else { + final int current = getCurrentMinute(); + final int touched = getMinuteForDegrees(degrees); + final int snapped = getMinuteForDegrees(snapDegrees); + + // If the touched minute is closer to the current minute + // than it is to the snapped minute, return current. + final int minute; + if (Math.abs(current - touched) < Math.abs(snapped - touched)) { + minute = current; + } else { + minute = snapped; + } + id = makeId(TYPE_MINUTE, minute); + } + } else { + id = INVALID_ID; } + + return id; + } + + @Override + protected void getVisibleVirtualViews(IntArray virtualViewIds) { if (mShowHours) { - setCurrentHour(value); - if (mListener != null) { - mListener.onValueSelected(HOURS, value, false); + final int min = mIs24HourMode ? 0 : 1; + final int max = mIs24HourMode ? 23 : 12; + for (int i = min; i <= max ; i++) { + virtualViewIds.add(makeId(TYPE_HOUR, i)); } } else { - setCurrentMinute(value); - if (mListener != null) { - mListener.onValueSelected(MINUTES, value, false); + final int current = getCurrentMinute(); + for (int i = 0; i < 60; i += MINUTE_INCREMENT) { + virtualViewIds.add(makeId(TYPE_MINUTE, i)); + + // If the current minute falls between two increments, + // insert an extra node for it. + if (current > i && current < i + MINUTE_INCREMENT) { + virtualViewIds.add(makeId(TYPE_MINUTE, current)); + } } } - return true; } - return false; - } + @Override + protected void onPopulateEventForVirtualView(int virtualViewId, AccessibilityEvent event) { + event.setClassName(getClass().getName()); - public void setInputEnabled(boolean inputEnabled) { - mInputEnabled = inputEnabled; - invalidate(); + final int type = getTypeFromId(virtualViewId); + final int value = getValueFromId(virtualViewId); + final CharSequence description = getVirtualViewDescription(type, value); + event.setContentDescription(description); + } + + @Override + protected void onPopulateNodeForVirtualView(int virtualViewId, AccessibilityNodeInfo node) { + node.setClassName(getClass().getName()); + node.addAction(AccessibilityAction.ACTION_CLICK); + + final int type = getTypeFromId(virtualViewId); + final int value = getValueFromId(virtualViewId); + final CharSequence description = getVirtualViewDescription(type, value); + node.setContentDescription(description); + + getBoundsForVirtualView(virtualViewId, mTempRect); + node.setBoundsInParent(mTempRect); + + final boolean selected = isVirtualViewSelected(type, value); + node.setSelected(selected); + } + + @Override + protected boolean onPerformActionForVirtualView(int virtualViewId, int action, + Bundle arguments) { + if (action == AccessibilityNodeInfo.ACTION_CLICK) { + final int type = getTypeFromId(virtualViewId); + final int value = getValueFromId(virtualViewId); + if (type == TYPE_HOUR) { + final int hour = mIs24HourMode ? value : hour12To24(value, mAmOrPm); + setCurrentHour(hour); + return true; + } else if (type == TYPE_MINUTE) { + setCurrentMinute(value); + return true; + } + } + return false; + } + + private int hour12To24(int hour12, int amOrPm) { + int hour24 = hour12; + if (hour12 == 12) { + if (amOrPm == AM) { + hour24 = 0; + } + } else if (amOrPm == PM) { + hour24 += 12; + } + return hour24; + } + + private void getBoundsForVirtualView(int virtualViewId, Rect bounds) { + final float radius; + final int type = getTypeFromId(virtualViewId); + final int value = getValueFromId(virtualViewId); + final float centerRadius; + final float degrees; + if (type == TYPE_HOUR) { + final boolean innerCircle = mIs24HourMode && value > 0 && value <= 12; + if (innerCircle) { + centerRadius = mCircleRadius[HOURS_INNER] * mNumbersRadiusMultiplier[HOURS_INNER]; + radius = mSelectionRadius[HOURS_INNER]; + } else { + centerRadius = mCircleRadius[HOURS] * mNumbersRadiusMultiplier[HOURS]; + radius = mSelectionRadius[HOURS]; + } + + degrees = getDegreesForHour(value); + } else if (type == TYPE_MINUTE) { + centerRadius = mCircleRadius[MINUTES] * mNumbersRadiusMultiplier[MINUTES]; + degrees = getDegreesForMinute(value); + radius = mSelectionRadius[MINUTES]; + } else { + // This should never happen. + centerRadius = 0; + degrees = 0; + radius = 0; + } + + final double radians = Math.toRadians(degrees); + final float xCenter = mXCenter + centerRadius * (float) Math.sin(radians); + final float yCenter = mYCenter - centerRadius * (float) Math.cos(radians); + + bounds.set((int) (xCenter - radius), (int) (yCenter - radius), + (int) (xCenter + radius), (int) (yCenter + radius)); + } + + private CharSequence getVirtualViewDescription(int type, int value) { + final CharSequence description; + if (type == TYPE_HOUR || type == TYPE_MINUTE) { + description = Integer.toString(value); + } else { + description = null; + } + return description; + } + + private boolean isVirtualViewSelected(int type, int value) { + final boolean selected; + if (type == TYPE_HOUR) { + selected = getCurrentHour() == value; + } else if (type == TYPE_MINUTE) { + selected = getCurrentMinute() == value; + } else { + selected = false; + } + return selected; + } + + private int makeId(int type, int value) { + return type << SHIFT_TYPE | value << SHIFT_VALUE; + } + + private int getTypeFromId(int id) { + return id >>> SHIFT_TYPE & MASK_TYPE; + } + + private int getValueFromId(int id) { + return id >>> SHIFT_VALUE & MASK_VALUE; + } } private static class IntHolder { |