public override bool onTouchEvent(android.view.MotionEvent @event)
{
if ((@event.getAction() == android.view.MotionEvent.ACTION_CANCEL) || (@event.getAction
() == android.view.MotionEvent.ACTION_UP))
{
mIsInLongpress = false;
}
return base.onTouchEvent(@event);
}
public virtual bool onKeyOther(android.widget.TextView widget, android.text.Spannable
text, android.view.KeyEvent @event)
{
int movementMetaState = getMovementMetaState(text, @event);
int keyCode = @event.getKeyCode();
if (keyCode != android.view.KeyEvent.KEYCODE_UNKNOWN && @event.getAction() == android.view.KeyEvent
.ACTION_MULTIPLE)
{
int repeat = @event.getRepeatCount();
bool handled = false;
{
for (int i = 0; i < repeat; i++)
{
if (!handleMovementKey(widget, text, keyCode, movementMetaState, @event))
{
break;
}
handled = true;
}
}
if (handled)
{
android.text.method.MetaKeyKeyListener.adjustMetaAfterKeypress(text);
android.text.method.MetaKeyKeyListener.resetLockedMeta(text);
}
return handled;
}
return false;
}
public override void onReceive(android.content.Context context, android.content.Intent
intent)
{
// BEGIN_INCLUDE(onReceive)
// Protect against rogue update broadcasts (not really a security issue,
// just filter bad broacasts out so subclasses are less likely to crash).
string action = intent.getAction();
if (android.appwidget.AppWidgetManager.ACTION_APPWIDGET_UPDATE.Equals(action))
{
android.os.Bundle extras = intent.getExtras();
if (extras != null)
{
int[] appWidgetIds = extras.getIntArray(android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_IDS
);
if (appWidgetIds != null && appWidgetIds.Length > 0)
{
this.onUpdate(context, android.appwidget.AppWidgetManager.getInstance(context), appWidgetIds
);
}
}
}
else
{
if (android.appwidget.AppWidgetManager.ACTION_APPWIDGET_DELETED.Equals(action))
{
android.os.Bundle extras = intent.getExtras();
if (extras != null && extras.containsKey(android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_ID
))
{
int appWidgetId = extras.getInt(android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_ID
);
this.onDeleted(context, new int[] { appWidgetId });
}
}
else
{
if (android.appwidget.AppWidgetManager.ACTION_APPWIDGET_ENABLED.Equals(action))
{
this.onEnabled(context);
}
else
{
if (android.appwidget.AppWidgetManager.ACTION_APPWIDGET_DISABLED.Equals(action))
{
this.onDisabled(context);
}
}
}
}
}
public virtual bool onKey(android.content.DialogInterface dialog, int keyCode, android.view.KeyEvent
@event)
{
if (keyCode == android.view.KeyEvent.KEYCODE_MENU || keyCode == android.view.KeyEvent
.KEYCODE_BACK)
{
if (@event.getAction() == android.view.KeyEvent.ACTION_DOWN && @event.getRepeatCount
() == 0)
{
android.view.Window win = mDialog.getWindow();
if (win != null)
{
android.view.View decor = win.getDecorView();
if (decor != null)
{
android.view.KeyEvent.DispatcherState ds = decor.getKeyDispatcherState();
if (ds != null)
{
ds.startTracking(@event, this);
return true;
}
}
}
}
else
{
if (@event.getAction() == android.view.KeyEvent.ACTION_UP && [email protected]())
{
android.view.Window win = mDialog.getWindow();
if (win != null)
{
android.view.View decor = win.getDecorView();
if (decor != null)
{
android.view.KeyEvent.DispatcherState ds = decor.getKeyDispatcherState();
if (ds != null && ds.isTracking(@event))
{
mMenu.close(true);
dialog.dismiss();
return true;
}
}
}
}
}
}
// Menu shortcut matching
return mMenu.performShortcut(keyCode, @event, 0);
}
public override void onReceive(android.content.Context context, android.content.Intent
intent)
{
string action = intent.getAction();
if (android.content.Intent.ACTION_SCREEN_OFF.Equals(action))
{
this._enclosing.mUserPresent = false;
this._enclosing.updateRunning();
}
else
{
if (android.content.Intent.ACTION_USER_PRESENT.Equals(action))
{
this._enclosing.mUserPresent = true;
this._enclosing.updateRunning(false);
}
}
}
protected internal override bool handleMovementKey(android.widget.TextView widget
, android.text.Spannable buffer, int keyCode, int movementMetaState, android.view.KeyEvent
@event)
{
switch (keyCode)
{
case android.view.KeyEvent.KEYCODE_DPAD_CENTER:
{
if (android.view.KeyEvent.metaStateHasNoModifiers(movementMetaState))
{
if (@event.getAction() == android.view.KeyEvent.ACTION_DOWN && @event.getRepeatCount
() == 0 && android.text.method.MetaKeyKeyListener.getMetaState(buffer, android.text.method.MetaKeyKeyListener
.META_SELECTING) != 0)
{
return widget.showContextMenu();
}
}
break;
}
}
return base.handleMovementKey(widget, buffer, keyCode, movementMetaState, @event);
}
private bool onContainerKey(android.view.KeyEvent @event)
{
int keyCode = @event.getKeyCode();
if (isInterestingKey(keyCode))
{
if (keyCode == android.view.KeyEvent.KEYCODE_BACK)
{
if (@event.getAction() == android.view.KeyEvent.ACTION_DOWN && @event.getRepeatCount
() == 0)
{
if (mOwnerView != null)
{
android.view.KeyEvent.DispatcherState ds = mOwnerView.getKeyDispatcherState();
if (ds != null)
{
ds.startTracking(@event, this);
}
}
return true;
}
else
{
if (@event.getAction() == android.view.KeyEvent.ACTION_UP && @event.isTracking()
&& [email protected]())
{
setVisible(false);
return true;
}
}
}
else
{
dismissControlsDelayed(ZOOM_CONTROLS_TIMEOUT);
}
// Let the container handle the key
return false;
}
else
{
android.view.ViewRootImpl viewRoot = getOwnerViewRootImpl();
if (viewRoot != null)
{
viewRoot.dispatchKey(@event);
}
// We gave the key to the owner, don't let the container handle this key
return true;
}
}
/// <summary>
/// Transforms a motion event into the coordinate space of a particular child view,
/// filters out irrelevant pointer ids, and overrides its action if necessary.
/// </summary>
/// <remarks>
/// Transforms a motion event into the coordinate space of a particular child view,
/// filters out irrelevant pointer ids, and overrides its action if necessary.
/// If child is null, assumes the MotionEvent will be sent to this ViewGroup instead.
/// </remarks>
private bool dispatchTransformedTouchEvent(android.view.MotionEvent @event, bool
cancel, android.view.View child, int desiredPointerIdBits)
{
bool handled;
// Canceling motions is a special case. We don't need to perform any transformations
// or filtering. The important part is the action, not the contents.
int oldAction = @event.getAction();
if (cancel || oldAction == android.view.MotionEvent.ACTION_CANCEL)
{
@event.setAction(android.view.MotionEvent.ACTION_CANCEL);
if (child == null)
{
handled = base.dispatchTouchEvent(@event);
}
else
{
handled = child.dispatchTouchEvent(@event);
}
@event.setAction(oldAction);
return handled;
}
// Calculate the number of pointers to deliver.
int oldPointerIdBits = @event.getPointerIdBits();
int newPointerIdBits = oldPointerIdBits & desiredPointerIdBits;
// If for some reason we ended up in an inconsistent state where it looks like we
// might produce a motion event with no pointers in it, then drop the event.
if (newPointerIdBits == 0)
{
return false;
}
// If the number of pointers is the same and we don't need to perform any fancy
// irreversible transformations, then we can reuse the motion event for this
// dispatch as long as we are careful to revert any changes we make.
// Otherwise we need to make a copy.
android.view.MotionEvent transformedEvent;
if (newPointerIdBits == oldPointerIdBits)
{
if (child == null || child.hasIdentityMatrix())
{
if (child == null)
{
handled = base.dispatchTouchEvent(@event);
}
else
{
float offsetX = mScrollX - child.mLeft;
float offsetY = mScrollY - child.mTop;
@event.offsetLocation(offsetX, offsetY);
handled = child.dispatchTouchEvent(@event);
@event.offsetLocation(-offsetX, -offsetY);
}
return handled;
}
transformedEvent = android.view.MotionEvent.obtain(@event);
}
else
{
transformedEvent = @event.split(newPointerIdBits);
}
// Perform any necessary transformations and dispatch.
if (child == null)
{
handled = base.dispatchTouchEvent(transformedEvent);
}
else
{
float offsetX = mScrollX - child.mLeft;
float offsetY = mScrollY - child.mTop;
transformedEvent.offsetLocation(offsetX, offsetY);
if (!child.hasIdentityMatrix())
{
transformedEvent.transform(child.getInverseMatrix());
}
handled = child.dispatchTouchEvent(transformedEvent);
}
// Done.
transformedEvent.recycle();
return handled;
}
public override void onReceive(android.content.Context context, android.content.Intent
intent)
{
if (intent.getAction().Equals(android.content.Intent.ACTION_TIMEZONE_CHANGED))
{
string tz = intent.getStringExtra("time-zone");
this._enclosing.mCalendar = new android.text.format.Time(java.util.TimeZone.getTimeZone
(tz).getID());
}
this._enclosing.onTimeChanged();
this._enclosing.invalidate();
}
public override bool onTouchEvent(android.view.MotionEvent @event)
{
if (!mIsUserSeekable || !isEnabled())
{
return false;
}
switch (@event.getAction())
{
case android.view.MotionEvent.ACTION_DOWN:
{
if (isInScrollingContainer())
{
mTouchDownX = @event.getX();
}
else
{
setPressed(true);
if (mThumb != null)
{
invalidate(mThumb.getBounds());
}
// This may be within the padding region
onStartTrackingTouch();
trackTouchEvent(@event);
attemptClaimDrag();
}
break;
}
case android.view.MotionEvent.ACTION_MOVE:
{
if (mIsDragging)
{
trackTouchEvent(@event);
}
else
{
float x = @event.getX();
if (System.Math.Abs(x - mTouchDownX) > mScaledTouchSlop)
{
setPressed(true);
if (mThumb != null)
{
invalidate(mThumb.getBounds());
}
// This may be within the padding region
onStartTrackingTouch();
trackTouchEvent(@event);
attemptClaimDrag();
}
}
break;
}
case android.view.MotionEvent.ACTION_UP:
{
if (mIsDragging)
{
trackTouchEvent(@event);
onStopTrackingTouch();
setPressed(false);
}
else
{
// Touch up when we never crossed the touch slop threshold should
// be interpreted as a tap-seek to that location.
onStartTrackingTouch();
trackTouchEvent(@event);
onStopTrackingTouch();
}
// ProgressBar doesn't know to repaint the thumb drawable
// in its inactive state when the touch stops (because the
// value has not apparently changed)
invalidate();
break;
}
case android.view.MotionEvent.ACTION_CANCEL:
{
if (mIsDragging)
{
onStopTrackingTouch();
setPressed(false);
}
invalidate();
// see above explanation
break;
}
}
return true;
}
public override bool dispatchKeyEvent(android.view.KeyEvent @event)
{
if (@event.getKeyCode() == android.view.KeyEvent.KEYCODE_BACK)
{
if (this.getKeyDispatcherState() == null)
{
return base.dispatchKeyEvent(@event);
}
if (@event.getAction() == android.view.KeyEvent.ACTION_DOWN && @event.getRepeatCount
() == 0)
{
android.view.KeyEvent.DispatcherState state = this.getKeyDispatcherState();
if (state != null)
{
state.startTracking(@event, this);
}
return true;
}
else
{
if (@event.getAction() == android.view.KeyEvent.ACTION_UP)
{
android.view.KeyEvent.DispatcherState state = this.getKeyDispatcherState();
if (state != null && state.isTracking(@event) && [email protected]())
{
this._enclosing.dismiss();
return true;
}
}
}
return base.dispatchKeyEvent(@event);
}
else
{
return base.dispatchKeyEvent(@event);
}
}
/// <summary>Filter pre-IME key events.</summary>
/// <remarks>
/// Filter pre-IME key events. By forwarding
/// <see cref="android.view.View.onKeyPreIme(int, android.view.KeyEvent)">android.view.View.onKeyPreIme(int, android.view.KeyEvent)
/// </see>
/// events to this function, views using ListPopupWindow can have it dismiss the popup
/// when the back key is pressed.
/// </remarks>
/// <param name="keyCode">keyCode param passed to the host view's onKeyPreIme</param>
/// <param name="event">event param passed to the host view's onKeyPreIme</param>
/// <returns>true if the event was handled, false if it was ignored.</returns>
/// <seealso cref="setModal(bool)">setModal(bool)</seealso>
public virtual bool onKeyPreIme(int keyCode, android.view.KeyEvent @event)
{
if (keyCode == android.view.KeyEvent.KEYCODE_BACK && isShowing())
{
// special case for the back key, we do not even try to send it
// to the drop down list but instead, consume it immediately
android.view.View anchorView = mDropDownAnchorView;
if (@event.getAction() == android.view.KeyEvent.ACTION_DOWN && @event.getRepeatCount
() == 0)
{
android.view.KeyEvent.DispatcherState state = anchorView.getKeyDispatcherState();
if (state != null)
{
state.startTracking(@event, this);
}
return true;
}
else
{
if (@event.getAction() == android.view.KeyEvent.ACTION_UP)
{
android.view.KeyEvent.DispatcherState state = anchorView.getKeyDispatcherState();
if (state != null)
{
state.handleUpEvent(@event);
}
if (@event.isTracking() && [email protected]())
{
dismiss();
return true;
}
}
}
}
return false;
}
/// <summary>React to the user typing while in the suggestions list.</summary>
/// <remarks>
/// React to the user typing while in the suggestions list. First, check for
/// action keys. If not handled, try refocusing regular characters into the
/// EditText.
/// </remarks>
private bool onSuggestionsKey(android.view.View v, int keyCode, android.view.KeyEvent
@event)
{
// guard against possible race conditions (late arrival after dismiss)
if (mSearchable == null)
{
return false;
}
if (mSuggestionsAdapter == null)
{
return false;
}
if (@event.getAction() == android.view.KeyEvent.ACTION_DOWN && @event.hasNoModifiers
())
{
// First, check for enter or search (both of which we'll treat as a
// "click")
if (keyCode == android.view.KeyEvent.KEYCODE_ENTER || keyCode == android.view.KeyEvent
.KEYCODE_SEARCH || keyCode == android.view.KeyEvent.KEYCODE_TAB)
{
int position = mQueryTextView.getListSelection();
return onItemClicked(position, android.view.KeyEvent.KEYCODE_UNKNOWN, null);
}
// Next, check for left/right moves, which we use to "return" the
// user to the edit view
if (keyCode == android.view.KeyEvent.KEYCODE_DPAD_LEFT || keyCode == android.view.KeyEvent
.KEYCODE_DPAD_RIGHT)
{
// give "focus" to text editor, with cursor at the beginning if
// left key, at end if right key
// TODO: Reverse left/right for right-to-left languages, e.g.
// Arabic
int selPoint = (keyCode == android.view.KeyEvent.KEYCODE_DPAD_LEFT) ? 0 : mQueryTextView
.length();
mQueryTextView.setSelection(selPoint);
mQueryTextView.setListSelection(0);
mQueryTextView.clearListSelection();
mQueryTextView.ensureImeVisible(true);
return true;
}
// Next, check for an "up and out" move
if (keyCode == android.view.KeyEvent.KEYCODE_DPAD_UP && 0 == mQueryTextView.getListSelection
())
{
// TODO: restoreUserQuery();
// let ACTV complete the move
return false;
}
// Next, check for an "action key"
android.app.SearchableInfo.ActionKeyInfo actionKey = mSearchable.findActionKey(keyCode
);
if ((actionKey != null) && ((actionKey.getSuggestActionMsg() != null) || (actionKey
.getSuggestActionMsgColumn() != null)))
{
// launch suggestion using action key column
int position = mQueryTextView.getListSelection();
if (position != android.widget.AdapterView.INVALID_POSITION)
{
android.database.Cursor c = mSuggestionsAdapter.getCursor();
if (c.moveToPosition(position))
{
string actionMsg = getActionKeyMessage(c, actionKey);
if (actionMsg != null && (actionMsg.Length > 0))
{
return onItemClicked(position, keyCode, actionMsg);
}
}
}
}
}
return false;
}
/// <summary>Checks a generic motion event.</summary>
/// <remarks>Checks a generic motion event.</remarks>
/// <param name="event">The event.</param>
/// <param name="nestingLevel">
/// The nesting level: 0 if called from the base class,
/// or 1 from a subclass. If the event was already checked by this consistency verifier
/// at a higher nesting level, it will not be checked again. Used to handle the situation
/// where a subclass dispatching method delegates to its superclass's dispatching method
/// and both dispatching methods call into the consistency verifier.
/// </param>
public void onGenericMotionEvent(android.view.MotionEvent @event, int nestingLevel
)
{
if (!startEvent(@event, nestingLevel, EVENT_TYPE_GENERIC_MOTION))
{
return;
}
try
{
ensureMetaStateIsNormalized(@event.getMetaState());
int action = @event.getAction();
int source = @event.getSource();
if ((source & android.view.InputDevice.SOURCE_CLASS_POINTER) != 0)
{
switch (action)
{
case android.view.MotionEvent.ACTION_HOVER_ENTER:
{
ensurePointerCountIsOneForThisAction(@event);
mHoverEntered = true;
break;
}
case android.view.MotionEvent.ACTION_HOVER_MOVE:
{
ensurePointerCountIsOneForThisAction(@event);
break;
}
case android.view.MotionEvent.ACTION_HOVER_EXIT:
{
ensurePointerCountIsOneForThisAction(@event);
if (!mHoverEntered)
{
problem("ACTION_HOVER_EXIT without prior ACTION_HOVER_ENTER");
}
mHoverEntered = false;
break;
}
case android.view.MotionEvent.ACTION_SCROLL:
{
ensureHistorySizeIsZeroForThisAction(@event);
ensurePointerCountIsOneForThisAction(@event);
break;
}
default:
{
problem("Invalid action for generic pointer event.");
break;
}
}
}
else
{
if ((source & android.view.InputDevice.SOURCE_CLASS_JOYSTICK) != 0)
{
switch (action)
{
case android.view.MotionEvent.ACTION_MOVE:
{
ensurePointerCountIsOneForThisAction(@event);
break;
}
default:
{
problem("Invalid action for generic joystick event.");
break;
}
}
}
}
}
finally
{
finishEvent();
}
}
/// <summary>Checks a touch event.</summary>
/// <remarks>Checks a touch event.</remarks>
/// <param name="event">The event.</param>
/// <param name="nestingLevel">
/// The nesting level: 0 if called from the base class,
/// or 1 from a subclass. If the event was already checked by this consistency verifier
/// at a higher nesting level, it will not be checked again. Used to handle the situation
/// where a subclass dispatching method delegates to its superclass's dispatching method
/// and both dispatching methods call into the consistency verifier.
/// </param>
public void onTouchEvent(android.view.MotionEvent @event, int nestingLevel)
{
if (!startEvent(@event, nestingLevel, EVENT_TYPE_TOUCH))
{
return;
}
int action = @event.getAction();
bool newStream = action == android.view.MotionEvent.ACTION_DOWN || action == android.view.MotionEvent
.ACTION_CANCEL;
if (newStream && (mTouchEventStreamIsTainted || mTouchEventStreamUnhandled))
{
mTouchEventStreamIsTainted = false;
mTouchEventStreamUnhandled = false;
mTouchEventStreamPointers = 0;
}
if (mTouchEventStreamIsTainted)
{
@event.setTainted(true);
}
try
{
ensureMetaStateIsNormalized(@event.getMetaState());
int deviceId = @event.getDeviceId();
int source = @event.getSource();
if (!newStream && mTouchEventStreamDeviceId != -1 && (mTouchEventStreamDeviceId !=
deviceId || mTouchEventStreamSource != source))
{
problem("Touch event stream contains events from multiple sources: " + "previous device id "
+ mTouchEventStreamDeviceId + ", previous source " + Sharpen.Util.IntToHexString
(mTouchEventStreamSource) + ", new device id " + deviceId + ", new source " + Sharpen.Util.IntToHexString
(source));
}
mTouchEventStreamDeviceId = deviceId;
mTouchEventStreamSource = source;
int pointerCount = @event.getPointerCount();
if ((source & android.view.InputDevice.SOURCE_CLASS_POINTER) != 0)
{
switch (action)
{
case android.view.MotionEvent.ACTION_DOWN:
{
if (mTouchEventStreamPointers != 0)
{
problem("ACTION_DOWN but pointers are already down. " + "Probably missing ACTION_UP from previous gesture."
);
}
ensureHistorySizeIsZeroForThisAction(@event);
ensurePointerCountIsOneForThisAction(@event);
mTouchEventStreamPointers = 1 << @event.getPointerId(0);
break;
}
case android.view.MotionEvent.ACTION_UP:
{
ensureHistorySizeIsZeroForThisAction(@event);
ensurePointerCountIsOneForThisAction(@event);
mTouchEventStreamPointers = 0;
mTouchEventStreamIsTainted = false;
break;
}
case android.view.MotionEvent.ACTION_MOVE:
{
int expectedPointerCount = Sharpen.Util.IntGetBitCount(mTouchEventStreamPointers);
if (pointerCount != expectedPointerCount)
{
problem("ACTION_MOVE contained " + pointerCount + " pointers but there are currently "
+ expectedPointerCount + " pointers down.");
mTouchEventStreamIsTainted = true;
}
break;
}
case android.view.MotionEvent.ACTION_CANCEL:
{
mTouchEventStreamPointers = 0;
mTouchEventStreamIsTainted = false;
break;
}
case android.view.MotionEvent.ACTION_OUTSIDE:
{
if (mTouchEventStreamPointers != 0)
{
problem("ACTION_OUTSIDE but pointers are still down.");
}
ensureHistorySizeIsZeroForThisAction(@event);
ensurePointerCountIsOneForThisAction(@event);
mTouchEventStreamIsTainted = false;
break;
}
default:
{
int actionMasked = @event.getActionMasked();
int actionIndex = @event.getActionIndex();
if (actionMasked == android.view.MotionEvent.ACTION_POINTER_DOWN)
{
if (mTouchEventStreamPointers == 0)
{
problem("ACTION_POINTER_DOWN but no other pointers were down.");
mTouchEventStreamIsTainted = true;
}
if (actionIndex < 0 || actionIndex >= pointerCount)
{
problem("ACTION_POINTER_DOWN index is " + actionIndex + " but the pointer count is "
+ pointerCount + ".");
mTouchEventStreamIsTainted = true;
}
else
{
int id = @event.getPointerId(actionIndex);
int idBit = 1 << id;
if ((mTouchEventStreamPointers & idBit) != 0)
{
problem("ACTION_POINTER_DOWN specified pointer id " + id + " which is already down."
);
mTouchEventStreamIsTainted = true;
}
else
{
mTouchEventStreamPointers |= idBit;
}
}
ensureHistorySizeIsZeroForThisAction(@event);
}
else
{
if (actionMasked == android.view.MotionEvent.ACTION_POINTER_UP)
{
if (actionIndex < 0 || actionIndex >= pointerCount)
{
problem("ACTION_POINTER_UP index is " + actionIndex + " but the pointer count is "
+ pointerCount + ".");
mTouchEventStreamIsTainted = true;
}
else
{
int id = @event.getPointerId(actionIndex);
int idBit = 1 << id;
if ((mTouchEventStreamPointers & idBit) == 0)
{
problem("ACTION_POINTER_UP specified pointer id " + id + " which is not currently down."
);
mTouchEventStreamIsTainted = true;
}
else
{
mTouchEventStreamPointers &= ~idBit;
}
}
ensureHistorySizeIsZeroForThisAction(@event);
}
else
{
problem("Invalid action " + android.view.MotionEvent.actionToString(action) + " for touch event."
);
}
}
break;
}
}
}
else
{
problem("Source was not SOURCE_CLASS_POINTER.");
}
}
finally
{
finishEvent();
}
}
/// <summary>Checks a trackball event.</summary>
/// <remarks>Checks a trackball event.</remarks>
/// <param name="event">The event.</param>
/// <param name="nestingLevel">
/// The nesting level: 0 if called from the base class,
/// or 1 from a subclass. If the event was already checked by this consistency verifier
/// at a higher nesting level, it will not be checked again. Used to handle the situation
/// where a subclass dispatching method delegates to its superclass's dispatching method
/// and both dispatching methods call into the consistency verifier.
/// </param>
public void onTrackballEvent(android.view.MotionEvent @event, int nestingLevel)
{
if (!startEvent(@event, nestingLevel, EVENT_TYPE_TRACKBALL))
{
return;
}
try
{
ensureMetaStateIsNormalized(@event.getMetaState());
int action = @event.getAction();
int source = @event.getSource();
if ((source & android.view.InputDevice.SOURCE_CLASS_TRACKBALL) != 0)
{
switch (action)
{
case android.view.MotionEvent.ACTION_DOWN:
{
if (mTrackballDown && !mTrackballUnhandled)
{
problem("ACTION_DOWN but trackball is already down.");
}
else
{
mTrackballDown = true;
mTrackballUnhandled = false;
}
ensureHistorySizeIsZeroForThisAction(@event);
ensurePointerCountIsOneForThisAction(@event);
break;
}
case android.view.MotionEvent.ACTION_UP:
{
if (!mTrackballDown)
{
problem("ACTION_UP but trackball is not down.");
}
else
{
mTrackballDown = false;
mTrackballUnhandled = false;
}
ensureHistorySizeIsZeroForThisAction(@event);
ensurePointerCountIsOneForThisAction(@event);
break;
}
case android.view.MotionEvent.ACTION_MOVE:
{
ensurePointerCountIsOneForThisAction(@event);
break;
}
default:
{
problem("Invalid action " + android.view.MotionEvent.actionToString(action) + " for trackball event."
);
break;
}
}
if (mTrackballDown && @event.getPressure() <= 0)
{
problem("Trackball is down but pressure is not greater than 0.");
}
else
{
if (!mTrackballDown && @event.getPressure() != 0)
{
problem("Trackball is up but pressure is not equal to 0.");
}
}
}
else
{
problem("Source was not SOURCE_CLASS_TRACKBALL.");
}
}
finally
{
finishEvent();
}
}
/// <summary>Checks a key event.</summary>
/// <remarks>Checks a key event.</remarks>
/// <param name="event">The event.</param>
/// <param name="nestingLevel">
/// The nesting level: 0 if called from the base class,
/// or 1 from a subclass. If the event was already checked by this consistency verifier
/// at a higher nesting level, it will not be checked again. Used to handle the situation
/// where a subclass dispatching method delegates to its superclass's dispatching method
/// and both dispatching methods call into the consistency verifier.
/// </param>
public void onKeyEvent(android.view.KeyEvent @event, int nestingLevel)
{
if (!startEvent(@event, nestingLevel, EVENT_TYPE_KEY))
{
return;
}
try
{
ensureMetaStateIsNormalized(@event.getMetaState());
int action = @event.getAction();
int deviceId = @event.getDeviceId();
int source = @event.getSource();
int keyCode = @event.getKeyCode();
switch (action)
{
case android.view.KeyEvent.ACTION_DOWN:
{
android.view.InputEventConsistencyVerifier.KeyState state = findKeyState(deviceId
, source, keyCode, false);
if (state != null)
{
// If the key is already down, ensure it is a repeat.
// We don't perform this check when processing raw device input
// because the input dispatcher itself is responsible for setting
// the key repeat count before it delivers input events.
if (state.unhandled)
{
state.unhandled = false;
}
else
{
if ((mFlags & FLAG_RAW_DEVICE_INPUT) == 0 && @event.getRepeatCount() == 0)
{
problem("ACTION_DOWN but key is already down and this event " + "is not a key repeat."
);
}
}
}
else
{
addKeyState(deviceId, source, keyCode);
}
break;
}
case android.view.KeyEvent.ACTION_UP:
{
android.view.InputEventConsistencyVerifier.KeyState state = findKeyState(deviceId
, source, keyCode, true);
if (state == null)
{
problem("ACTION_UP but key was not down.");
}
else
{
state.recycle();
}
break;
}
case android.view.KeyEvent.ACTION_MULTIPLE:
{
break;
}
default:
{
problem("Invalid action " + android.view.KeyEvent.actionToString(action) + " for key event."
);
break;
}
}
}
finally
{
finishEvent();
}
}
public override bool onTouchEvent(android.view.MotionEvent @event)
{
// Give everything to the gesture detector
bool retValue = mGestureDetector.onTouchEvent(@event);
int action = @event.getAction();
if (action == android.view.MotionEvent.ACTION_UP)
{
// Helper method for lifted finger
onUp();
}
else
{
if (action == android.view.MotionEvent.ACTION_CANCEL)
{
onCancel();
}
}
return retValue;
}
public virtual bool dispatchTouchEvent(android.view.MotionEvent ev)
{
if (ev.getAction() == android.view.MotionEvent.ACTION_DOWN)
{
onUserInteraction();
}
if (getWindow().superDispatchTouchEvent(ev))
{
return true;
}
return onTouchEvent(ev);
}
public virtual bool onTouch(android.view.View v, android.view.MotionEvent @event)
{
int action = @event.getAction();
if (@event.getPointerCount() > 1)
{
// ZoomButtonsController doesn't handle mutitouch. Give up control.
return false;
}
if (mReleaseTouchListenerOnUp)
{
// The controls were dismissed but we need to throw away all events until the up
if (action == android.view.MotionEvent.ACTION_UP || action == android.view.MotionEvent
.ACTION_CANCEL)
{
mOwnerView.setOnTouchListener(null);
setTouchTargetView(null);
mReleaseTouchListenerOnUp = false;
}
// Eat this event
return true;
}
dismissControlsDelayed(ZOOM_CONTROLS_TIMEOUT);
android.view.View targetView = mTouchTargetView;
switch (action)
{
case android.view.MotionEvent.ACTION_DOWN:
{
targetView = findViewForTouch((int)@event.getRawX(), (int)@event.getRawY());
setTouchTargetView(targetView);
break;
}
case android.view.MotionEvent.ACTION_UP:
case android.view.MotionEvent.ACTION_CANCEL:
{
setTouchTargetView(null);
break;
}
}
if (targetView != null)
{
// The upperleft corner of the target view in raw coordinates
int targetViewRawX = mContainerRawLocation[0] + mTouchTargetWindowLocation[0];
int targetViewRawY = mContainerRawLocation[1] + mTouchTargetWindowLocation[1];
android.view.MotionEvent containerEvent = android.view.MotionEvent.obtain(@event);
// Convert the motion event into the target view's coordinates (from
// owner view's coordinates)
containerEvent.offsetLocation(mOwnerViewRawLocation[0] - targetViewRawX, mOwnerViewRawLocation
[1] - targetViewRawY);
// These are floats because we need to potentially offset away this exact amount
float containerX = containerEvent.getX();
float containerY = containerEvent.getY();
if (containerX < 0 && containerX > -ZOOM_CONTROLS_TOUCH_PADDING)
{
containerEvent.offsetLocation(-containerX, 0);
}
if (containerY < 0 && containerY > -ZOOM_CONTROLS_TOUCH_PADDING)
{
containerEvent.offsetLocation(0, -containerY);
}
bool retValue = targetView.dispatchTouchEvent(containerEvent);
containerEvent.recycle();
return retValue;
}
else
{
return false;
}
}
public bool onKey(android.view.View v, int keyCode, android.view.KeyEvent @event)
{
// guard against possible race conditions
if (this._enclosing.mSearchable == null)
{
return false;
}
// If a suggestion is selected, handle enter, search key, and action keys
// as presses on the selected suggestion
if (this._enclosing.mQueryTextView.isPopupShowing() && this._enclosing.mQueryTextView
.getListSelection() != android.widget.AdapterView.INVALID_POSITION)
{
return this._enclosing.onSuggestionsKey(v, keyCode, @event);
}
// If there is text in the query box, handle enter, and action keys
// The search key is handled by the dialog's onKeyDown().
if (!this._enclosing.mQueryTextView.isEmpty() && @event.hasNoModifiers())
{
if (@event.getAction() == android.view.KeyEvent.ACTION_UP)
{
if (keyCode == android.view.KeyEvent.KEYCODE_ENTER)
{
v.cancelLongPress();
// Launch as a regular search.
this._enclosing.launchQuerySearch(android.view.KeyEvent.KEYCODE_UNKNOWN, null, ((
android.text.Editable)this._enclosing.mQueryTextView.getText()).ToString());
return true;
}
}
if (@event.getAction() == android.view.KeyEvent.ACTION_DOWN)
{
android.app.SearchableInfo.ActionKeyInfo actionKey = this._enclosing.mSearchable.
findActionKey(keyCode);
if ((actionKey != null) && (actionKey.getQueryActionMsg() != null))
{
this._enclosing.launchQuerySearch(keyCode, actionKey.getQueryActionMsg(), ((android.text.Editable
)this._enclosing.mQueryTextView.getText()).ToString());
return true;
}
}
}
return false;
}
private void ensurePointerCountIsOneForThisAction(android.view.MotionEvent @event
)
{
int pointerCount = @event.getPointerCount();
if (pointerCount != 1)
{
problem("Pointer count is " + pointerCount + " but it should always be 1 for " +
android.view.MotionEvent.actionToString(@event.getAction()));
}
}
public override bool onKeyPreIme(int keyCode, android.view.KeyEvent @event)
{
if (keyCode == android.view.KeyEvent.KEYCODE_BACK)
{
// special case for the back key, we do not even try to send it
// to the drop down list but instead, consume it immediately
if (@event.getAction() == android.view.KeyEvent.ACTION_DOWN && @event.getRepeatCount
() == 0)
{
android.view.KeyEvent.DispatcherState state = getKeyDispatcherState();
if (state != null)
{
state.startTracking(@event, this);
}
return true;
}
else
{
if (@event.getAction() == android.view.KeyEvent.ACTION_UP)
{
android.view.KeyEvent.DispatcherState state = getKeyDispatcherState();
if (state != null)
{
state.handleUpEvent(@event);
}
if (@event.isTracking() && [email protected]())
{
mSearchView.clearFocus();
mSearchView.setImeVisibility(false);
return true;
}
}
}
}
return base.onKeyPreIme(keyCode, @event);
}
private void ensureHistorySizeIsZeroForThisAction(android.view.MotionEvent @event
)
{
int historySize = @event.getHistorySize();
if (historySize != 0)
{
problem("History size is " + historySize + " but it should always be 0 for " + android.view.MotionEvent
.actionToString(@event.getAction()));
}
}
public virtual bool onTouch(android.view.View v, android.view.MotionEvent @event)
{
int action = @event.getAction();
int x = (int)@event.getX();
int y = (int)@event.getY();
if (action == android.view.MotionEvent.ACTION_DOWN && this._enclosing.mPopup != null
&& this._enclosing.mPopup.isShowing() && (x >= 0 && x < this._enclosing.mPopup.
getWidth() && y >= 0 && y < this._enclosing.mPopup.getHeight()))
{
this._enclosing.mHandler.postDelayed(this._enclosing.mResizePopupRunnable, android.widget.ListPopupWindow
.EXPAND_LIST_TIMEOUT);
}
else
{
if (action == android.view.MotionEvent.ACTION_UP)
{
this._enclosing.mHandler.removeCallbacks(this._enclosing.mResizePopupRunnable);
}
}
return false;
}
private void onSecondaryPointerUp(android.view.MotionEvent ev)
{
int pointerIndex = (ev.getAction() & android.view.MotionEvent.ACTION_POINTER_INDEX_MASK
) >> android.view.MotionEvent.ACTION_POINTER_INDEX_SHIFT;
int pointerId = ev.getPointerId(pointerIndex);
if (pointerId == mActivePointerId)
{
// This was our active pointer going up. Choose a new
// active pointer and adjust accordingly.
// TODO: Make this decision more intelligent.
int newPointerIndex = pointerIndex == 0 ? 1 : 0;
mLastMotionX = ev.getX(newPointerIndex);
mActivePointerId = ev.getPointerId(newPointerIndex);
if (mVelocityTracker != null)
{
mVelocityTracker.clear();
}
}
}
public override bool onTouchEvent(android.view.MotionEvent @event)
{
int x = (int)@event.getX();
int y = (int)@event.getY();
if ((@event.getAction() == android.view.MotionEvent.ACTION_DOWN) && ((x < 0) || (
x >= this.getWidth()) || (y < 0) || (y >= this.getHeight())))
{
this._enclosing.dismiss();
return true;
}
else
{
if (@event.getAction() == android.view.MotionEvent.ACTION_OUTSIDE)
{
this._enclosing.dismiss();
return true;
}
else
{
return base.onTouchEvent(@event);
}
}
}
public override bool dispatchTouchEvent(android.view.MotionEvent ev)
{
if (mInputEventConsistencyVerifier != null)
{
mInputEventConsistencyVerifier.onTouchEvent(ev, 1);
}
bool handled = false;
if (onFilterTouchEventForSecurity(ev))
{
int action = ev.getAction();
int actionMasked = action & android.view.MotionEvent.ACTION_MASK;
// Handle an initial down.
if (actionMasked == android.view.MotionEvent.ACTION_DOWN)
{
// Throw away all previous state when starting a new touch gesture.
// The framework may have dropped the up or cancel event for the previous gesture
// due to an app switch, ANR, or some other state change.
cancelAndClearTouchTargets(ev);
resetTouchState();
}
// Check for interception.
bool intercepted;
if (actionMasked == android.view.MotionEvent.ACTION_DOWN || mFirstTouchTarget !=
null)
{
bool disallowIntercept = (mGroupFlags & FLAG_DISALLOW_INTERCEPT) != 0;
if (!disallowIntercept)
{
intercepted = onInterceptTouchEvent(ev);
ev.setAction(action);
}
else
{
// restore action in case it was changed
intercepted = false;
}
}
else
{
// There are no touch targets and this action is not an initial down
// so this view group continues to intercept touches.
intercepted = true;
}
// Check for cancelation.
bool canceled = resetCancelNextUpFlag(this) || actionMasked == android.view.MotionEvent
.ACTION_CANCEL;
// Update list of touch targets for pointer down, if needed.
bool split = (mGroupFlags & FLAG_SPLIT_MOTION_EVENTS) != 0;
android.view.ViewGroup.TouchTarget newTouchTarget = null;
bool alreadyDispatchedToNewTouchTarget = false;
if (!canceled && !intercepted)
{
if (actionMasked == android.view.MotionEvent.ACTION_DOWN || (split && actionMasked
== android.view.MotionEvent.ACTION_POINTER_DOWN) || actionMasked == android.view.MotionEvent
.ACTION_HOVER_MOVE)
{
int actionIndex = ev.getActionIndex();
// always 0 for down
int idBitsToAssign = split ? 1 << ev.getPointerId(actionIndex) : android.view.ViewGroup
.TouchTarget.ALL_POINTER_IDS;
// Clean up earlier touch targets for this pointer id in case they
// have become out of sync.
removePointersFromTouchTargets(idBitsToAssign);
int childrenCount = mChildrenCount;
if (childrenCount != 0)
{
// Find a child that can receive the event.
// Scan children from front to back.
android.view.View[] children = mChildren;
float x = ev.getX(actionIndex);
float y = ev.getY(actionIndex);
{
for (int i = childrenCount - 1; i >= 0; i--)
{
android.view.View child = children[i];
if (!canViewReceivePointerEvents(child) || !isTransformedTouchPointInView(x, y, child
, null))
{
continue;
}
newTouchTarget = getTouchTarget(child);
if (newTouchTarget != null)
{
// Child is already receiving touch within its bounds.
// Give it the new pointer in addition to the ones it is handling.
newTouchTarget.pointerIdBits |= idBitsToAssign;
break;
}
resetCancelNextUpFlag(child);
if (dispatchTransformedTouchEvent(ev, false, child, idBitsToAssign))
{
// Child wants to receive touch within its bounds.
mLastTouchDownTime = ev.getDownTime();
mLastTouchDownIndex = i;
mLastTouchDownX = ev.getX();
mLastTouchDownY = ev.getY();
newTouchTarget = addTouchTarget(child, idBitsToAssign);
alreadyDispatchedToNewTouchTarget = true;
break;
}
}
}
}
if (newTouchTarget == null && mFirstTouchTarget != null)
{
// Did not find a child to receive the event.
// Assign the pointer to the least recently added target.
newTouchTarget = mFirstTouchTarget;
while (newTouchTarget.next != null)
{
newTouchTarget = newTouchTarget.next;
}
newTouchTarget.pointerIdBits |= idBitsToAssign;
}
}
}
// Dispatch to touch targets.
if (mFirstTouchTarget == null)
{
// No touch targets so treat this as an ordinary view.
handled = dispatchTransformedTouchEvent(ev, canceled, null, android.view.ViewGroup
.TouchTarget.ALL_POINTER_IDS);
}
else
{
// Dispatch to touch targets, excluding the new touch target if we already
// dispatched to it. Cancel touch targets if necessary.
android.view.ViewGroup.TouchTarget predecessor = null;
android.view.ViewGroup.TouchTarget target = mFirstTouchTarget;
while (target != null)
{
android.view.ViewGroup.TouchTarget next = target.next;
if (alreadyDispatchedToNewTouchTarget && target == newTouchTarget)
{
handled = true;
}
else
{
bool cancelChild = resetCancelNextUpFlag(target.child) || intercepted;
if (dispatchTransformedTouchEvent(ev, cancelChild, target.child, target.pointerIdBits
))
{
handled = true;
}
if (cancelChild)
{
if (predecessor == null)
{
mFirstTouchTarget = next;
}
else
{
predecessor.next = next;
}
target.recycle();
target = next;
continue;
}
}
predecessor = target;
target = next;
}
}
// Update list of touch targets for pointer up or cancel, if needed.
if (canceled || actionMasked == android.view.MotionEvent.ACTION_UP || actionMasked
== android.view.MotionEvent.ACTION_HOVER_MOVE)
{
resetTouchState();
}
else
{
if (split && actionMasked == android.view.MotionEvent.ACTION_POINTER_UP)
{
int actionIndex = ev.getActionIndex();
int idBitsToRemove = 1 << ev.getPointerId(actionIndex);
removePointersFromTouchTargets(idBitsToRemove);
}
}
}
if (!handled && mInputEventConsistencyVerifier != null)
{
mInputEventConsistencyVerifier.onUnhandledEvent(ev, 1);
}
return handled;
}
protected internal override bool dispatchHoverEvent(android.view.MotionEvent @event
)
{
int action = @event.getAction();
// First check whether the view group wants to intercept the hover event.
bool interceptHover = onInterceptHoverEvent(@event);
@event.setAction(action);
// restore action in case it was changed
android.view.MotionEvent eventNoHistory = @event;
bool handled = false;
// Send events to the hovered children and build a new list of hover targets until
// one is found that handles the event.
android.view.ViewGroup.HoverTarget firstOldHoverTarget = mFirstHoverTarget;
mFirstHoverTarget = null;
if (!interceptHover && action != android.view.MotionEvent.ACTION_HOVER_EXIT)
{
float x = @event.getX();
float y = @event.getY();
int childrenCount = mChildrenCount;
if (childrenCount != 0)
{
android.view.View[] children = mChildren;
android.view.ViewGroup.HoverTarget lastHoverTarget = null;
{
for (int i = childrenCount - 1; i >= 0; i--)
{
android.view.View child = children[i];
if (!canViewReceivePointerEvents(child) || !isTransformedTouchPointInView(x, y, child
, null))
{
continue;
}
// Obtain a hover target for this child. Dequeue it from the
// old hover target list if the child was previously hovered.
android.view.ViewGroup.HoverTarget hoverTarget = firstOldHoverTarget;
bool wasHovered;
{
for (android.view.ViewGroup.HoverTarget predecessor = null; ; )
{
if (hoverTarget == null)
{
hoverTarget = android.view.ViewGroup.HoverTarget.obtain(child);
wasHovered = false;
break;
}
if (hoverTarget.child == child)
{
if (predecessor != null)
{
predecessor.next = hoverTarget.next;
}
else
{
firstOldHoverTarget = hoverTarget.next;
}
hoverTarget.next = null;
wasHovered = true;
break;
}
predecessor = hoverTarget;
hoverTarget = hoverTarget.next;
}
}
// Enqueue the hover target onto the new hover target list.
if (lastHoverTarget != null)
{
lastHoverTarget.next = hoverTarget;
}
else
{
lastHoverTarget = hoverTarget;
mFirstHoverTarget = hoverTarget;
}
// Dispatch the event to the child.
if (action == android.view.MotionEvent.ACTION_HOVER_ENTER)
{
if (!wasHovered)
{
// Send the enter as is.
handled |= dispatchTransformedGenericPointerEvent(@event, child);
}
}
else
{
// enter
if (action == android.view.MotionEvent.ACTION_HOVER_MOVE)
{
if (!wasHovered)
{
// Synthesize an enter from a move.
eventNoHistory = obtainMotionEventNoHistoryOrSelf(eventNoHistory);
eventNoHistory.setAction(android.view.MotionEvent.ACTION_HOVER_ENTER);
handled |= dispatchTransformedGenericPointerEvent(eventNoHistory, child);
// enter
eventNoHistory.setAction(action);
handled |= dispatchTransformedGenericPointerEvent(eventNoHistory, child);
}
else
{
// move
// Send the move as is.
handled |= dispatchTransformedGenericPointerEvent(@event, child);
}
}
}
if (handled)
{
break;
}
}
}
}
}
// Send exit events to all previously hovered children that are no longer hovered.
while (firstOldHoverTarget != null)
{
android.view.View child = firstOldHoverTarget.child;
// Exit the old hovered child.
if (action == android.view.MotionEvent.ACTION_HOVER_EXIT)
{
// Send the exit as is.
handled |= dispatchTransformedGenericPointerEvent(@event, child);
}
else
{
// exit
// Synthesize an exit from a move or enter.
// Ignore the result because hover focus has moved to a different view.
if (action == android.view.MotionEvent.ACTION_HOVER_MOVE)
{
dispatchTransformedGenericPointerEvent(@event, child);
}
// move
eventNoHistory = obtainMotionEventNoHistoryOrSelf(eventNoHistory);
eventNoHistory.setAction(android.view.MotionEvent.ACTION_HOVER_EXIT);
dispatchTransformedGenericPointerEvent(eventNoHistory, child);
// exit
eventNoHistory.setAction(action);
}
android.view.ViewGroup.HoverTarget nextOldHoverTarget = firstOldHoverTarget.next;
firstOldHoverTarget.recycle();
firstOldHoverTarget = nextOldHoverTarget;
}
// Send events to the view group itself if no children have handled it.
bool newHoveredSelf = !handled;
if (newHoveredSelf == mHoveredSelf)
{
if (newHoveredSelf)
{
// Send event to the view group as before.
handled |= base.dispatchHoverEvent(@event);
}
}
else
{
if (mHoveredSelf)
{
// Exit the view group.
if (action == android.view.MotionEvent.ACTION_HOVER_EXIT)
{
// Send the exit as is.
handled |= base.dispatchHoverEvent(@event);
}
else
{
// exit
// Synthesize an exit from a move or enter.
// Ignore the result because hover focus is moving to a different view.
if (action == android.view.MotionEvent.ACTION_HOVER_MOVE)
{
base.dispatchHoverEvent(@event);
}
// move
eventNoHistory = obtainMotionEventNoHistoryOrSelf(eventNoHistory);
eventNoHistory.setAction(android.view.MotionEvent.ACTION_HOVER_EXIT);
base.dispatchHoverEvent(eventNoHistory);
// exit
eventNoHistory.setAction(action);
}
mHoveredSelf = false;
}
if (newHoveredSelf)
{
// Enter the view group.
if (action == android.view.MotionEvent.ACTION_HOVER_ENTER)
{
// Send the enter as is.
handled |= base.dispatchHoverEvent(@event);
// enter
mHoveredSelf = true;
}
else
{
if (action == android.view.MotionEvent.ACTION_HOVER_MOVE)
{
// Synthesize an enter from a move.
eventNoHistory = obtainMotionEventNoHistoryOrSelf(eventNoHistory);
eventNoHistory.setAction(android.view.MotionEvent.ACTION_HOVER_ENTER);
handled |= base.dispatchHoverEvent(eventNoHistory);
// enter
eventNoHistory.setAction(action);
handled |= base.dispatchHoverEvent(eventNoHistory);
// move
mHoveredSelf = true;
}
}
}
}
// Recycle the copy of the event that we made.
if (eventNoHistory != @event)
{
eventNoHistory.recycle();
}
// Done.
return handled;
}
public override bool onGenericMotionEvent(android.view.MotionEvent @event)
{
if ((@event.getSource() & android.view.InputDevice.SOURCE_CLASS_POINTER) != 0)
{
switch (@event.getAction())
{
case android.view.MotionEvent.ACTION_SCROLL:
{
if (!mIsBeingDragged)
{
float hscroll;
if ((@event.getMetaState() & android.view.KeyEvent.META_SHIFT_ON) != 0)
{
hscroll = [email protected](android.view.MotionEvent.AXIS_VSCROLL);
}
else
{
hscroll = @event.getAxisValue(android.view.MotionEvent.AXIS_HSCROLL);
}
if (hscroll != 0)
{
int delta = (int)(hscroll * getHorizontalScrollFactor());
int range = getScrollRange();
int oldScrollX = mScrollX;
int newScrollX = oldScrollX + delta;
if (newScrollX < 0)
{
newScrollX = 0;
}
else
{
if (newScrollX > range)
{
newScrollX = range;
}
}
if (newScrollX != oldScrollX)
{
base.scrollTo(newScrollX, mScrollY);
return true;
}
}
}
break;
}
}
}
return base.onGenericMotionEvent(@event);
}
