internal void HandleFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY)
{
if (categoryListRect.Contains((int)e1.GetX(), (int)e1.GetY()))
{
if (categoriesReady)
{
if (Math.Abs(velocityY) > Math.Abs(velocityX) && Math.Abs(velocityY) > 2000)
{
Log.Info(TAG, "vertical fling inside category list, vy=" + velocityY + ", state=" + categoryListState);
// vertical fling, so valid
if (velocityY < 0 && categoryListState == categoryListStates.Hidden)
{
Log.Info(TAG, "show category list");
RefreshCategories(false);
categoryListState = categoryListStates.Showing;
categoryListAnimator.SetIntValues(mContext.Resources.DisplayMetrics.HeightPixels, 0);
categoryListAnimator.Start();
}
if (velocityY > 0 && categoryListState == categoryListStates.Shown)
{
Log.Info(TAG, "hide category list");
currentCategoryIndex = -1;
oldCurrentCategoryIndex = -1;
currentCategoryRect = null;
categoryListState = categoryListStates.Hiding;
categoryListAnimator.SetIntValues(0, mContext.Resources.DisplayMetrics.HeightPixels);
categoryListAnimator.Start();
}
}
}
else
{
Log.Info(TAG, "ignore category action, categories not ready");
}
}
else
{
Log.Info(TAG, "fling outside category list " + categoryListRect);
PrepareCurrentBitmap(velocityX > 0 ? -1 : 1);
//AdjustButton(e1, e2, velocityX, velocityY);
}
}
private void init(Context ctx)
{
mContext = ctx;
LoadPreferences();
displayWidth = ctx.Resources.DisplayMetrics.WidthPixels;
displayHeight = ctx.Resources.DisplayMetrics.HeightPixels;
categoryListRect = new Rect(0, 0, (int)(displayWidth * categoryListProportion), displayHeight);
tagWheelRect = new Rect(categoryListRect.Width(), 0, displayWidth, displayWidth - categoryListRect.Width());
categoryRects = new List <Rect>();
tagRects = new List <Rect>();
// create animators
{
categoryListAnimator = new ValueAnimator();
categoryListAnimator.SetDuration(categoryListAnimationPeriod);
categoryListAnimator.SetInterpolator(new DecelerateInterpolator());
categoryListAnimator.SetIntValues(0, ctx.Resources.DisplayMetrics.HeightPixels);
categoryListAnimator.Update += (sender, e) => {
categoryListTop = (int)e.Animation.AnimatedValue;
Invalidate();
};
categoryListAnimator.AnimationEnd += (sender, e) => {
categoryListState = categoryListState == categoryListStates.Hiding
? categoryListStates.Hidden
: categoryListStates.Shown;
};
currentCategoryXAnimator = new ValueAnimator();
currentCategoryXAnimator.SetDuration(categorySelectionAnimationPeriod);
currentCategoryXAnimator.SetInterpolator(new DecelerateInterpolator());
currentCategoryXAnimator.Update += (sender, e) => {
currentCategoryX = (int)e.Animation.AnimatedValue;
Invalidate();
};
currentCategoryYAnimator = new ValueAnimator();
currentCategoryYAnimator.SetDuration(categorySelectionAnimationPeriod);
currentCategoryYAnimator.SetInterpolator(new DecelerateInterpolator());
currentCategoryYAnimator.Update += (sender, e) => {
currentCategoryY = (int)e.Animation.AnimatedValue;
Invalidate();
};
oldCurrentCategoryXAnimator = new ValueAnimator();
oldCurrentCategoryXAnimator.SetDuration(categorySelectionAnimationPeriod);
oldCurrentCategoryXAnimator.SetInterpolator(new DecelerateInterpolator());
oldCurrentCategoryXAnimator.Update += (sender, e) => {
oldCurrentCategoryX = (int)e.Animation.AnimatedValue;
Invalidate();
};
oldCurrentCategoryXAnimator.AnimationEnd += (sender, e) => {
oldCurrentCategoryIndex = -1;
};
oldCurrentCategoryYAnimator = new ValueAnimator();
oldCurrentCategoryYAnimator.SetDuration(categorySelectionAnimationPeriod);
oldCurrentCategoryYAnimator.SetInterpolator(new DecelerateInterpolator());
oldCurrentCategoryYAnimator.Update += (sender, e) => {
oldCurrentCategoryY = (int)e.Animation.AnimatedValue;
};
tagLabelRadiusAnimator = new ValueAnimator();
tagLabelRadiusAnimator.SetDuration(categorySelectionAnimationPeriod);
tagLabelRadiusAnimator.SetInterpolator(new DecelerateInterpolator());
tagLabelRadiusAnimator.Update += (sender, e) => {
tagLabelRadius = (int)e.Animation.AnimatedValue;
};
tagStartAngleAnimator = new ValueAnimator();
tagStartAngleAnimator.SetDuration(categorySelectionAnimationPeriod);
tagStartAngleAnimator.SetInterpolator(new DecelerateInterpolator());
tagStartAngleAnimator.SetFloatValues((float)Math.PI / 2, 0);
tagStartAngleAnimator.Update += (sender, e) => {
tagStartAngle = (float)e.Animation.AnimatedValue;
};
}
displayScale = ctx.Resources.DisplayMetrics.Density;
// prepare the current directory, if any
PrepareDirectory();
//if (!PrepareCurrentBitmap(0)) {
/*
* var file_activity = new Intent(mContext, typeof(SelectFileActivity));
* file_activity.PutExtra("directoriesOnly", true);
*
* // load will trigger if dir chosen
* ((MainActivity)mContext).StartActivityForResult(file_activity, MainActivity.directorySelection);
*/
//}
}
