@Override
public boolean onMotionEvent(MotionEvent event, float offset) {
if (position == null) {
return false;
}
// Get the pointer ID
int activePointerIndex = event.getActionIndex();
int activePointerId = event.getPointerId(activePointerIndex);
float x, y;
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_POINTER_DOWN:
x = event.getX(activePointerIndex);
y = event.getY(activePointerIndex);
// if the current touch is inside the left click button
if (rectWithOffset(position, offset).contains((int) x, (int) y)) {
pressedId = activePointerId;
return true;
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_POINTER_UP:
if (activePointerId == pressedId) {
pressedId = -1;
if (PresentationController.getInstance(context).isStarted()) {
PresentationController.getInstance(context).stop();
} else {
// show dialog to select time
TimePickerDialog dialog = new TimePickerDialog(context, timeSetListener, 0, 10, true);
dialog.setTitle("Presentation duration in hours and minutes");
dialog.show();
}
return true;
}
break;
}
return false;
}
@Override
public void draw(Canvas canvas, float offset) {
if (position == null) {
position =
new RectF(
(canvas.getWidth() - size) / 2,
(canvas.getHeight() - size) / 2,
(canvas.getWidth() + size) / 2,
(canvas.getHeight() + size) / 2);
}
// if the presentation is started, paint the remaining time
if (PresentationController.getInstance(context).isStarted()) {
Paint textPaint = new Paint();
textPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
textPaint.setTextSize(canvas.getHeight() / 8);
textPaint.setTypeface(MyFonts.lightFont);
// get position text in center
int xPos = (canvas.getWidth() / 2);
int yPos =
(int) ((canvas.getHeight() / 2) - ((textPaint.descent() + textPaint.ascent()) / 2))
+ (int) offset;
double time = PresentationController.getInstance(context).getRemainingTimeMs();
double minutes = (time / (60 * 1000));
double seconds = ((time % (60 * 1000)) / 1000);
double milliseconds = (int) ((time % (60 * 1000)) % 1000);
// flash opacity when under 5 minutes / yellow to red when
if (minutes < 5) {
if (minutes < 1) {
int r = 255;
int g = (int) (255 * minutes);
int b = 0;
double opacity = milliseconds / 1000;
opacity = opacity < 0.5 ? opacity / 0.5 : (1 - opacity) / 0.5;
textPaint.setARGB(100 + (int) (155 * opacity), r, g, b);
} else {
double opacity = milliseconds / 1000;
opacity = opacity < 0.5 ? opacity / 0.5 : (1 - opacity) / 0.5;
textPaint.setARGB(100 + (int) (155 * opacity), 255, 255, 255);
}
} else {
textPaint.setARGB(255, 255, 255, 255);
}
// text to draw
String toDraw =
String.valueOf((int) minutes)
+ ":"
+ String.valueOf((int) seconds / 10)
+ String.valueOf((int) seconds % 10)
+ ":"
+ String.valueOf((int) milliseconds / 100)
+ String.valueOf(((int) milliseconds % 100) / 10)
+ String.valueOf((int) milliseconds % 10);
if (textWidth == 0) {
// calculate the position of the text, so that is centered on screen
Rect textBounds = new Rect();
textPaint.getTextBounds(toDraw, 0, toDraw.length(), textBounds);
textWidth = textBounds.width();
}
textWidth1 = 0;
canvas.drawText(toDraw, xPos - textWidth / 2, yPos, textPaint);
} else {
Paint textPaint = new Paint();
textPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
textPaint.setTextSize(canvas.getHeight() / 9);
textPaint.setTypeface(MyFonts.lightFont);
// get position text in center
int xPos = (canvas.getWidth() / 2);
int yPos =
(int) ((canvas.getHeight() / 2) - ((textPaint.descent() + textPaint.ascent()) / 2))
+ (int) offset;
if (pressedId == -1) {
textPaint.setARGB(255, 255, 255, 255);
} else {
textPaint.setARGB(255, 192, 57, 43);
}
// text to draw
String toDraw = "Start";
if (textWidth1 == 0) {
// calculate the position of the text, so that is centered on screen
Rect textBounds = new Rect();
textPaint.getTextBounds(toDraw, 0, toDraw.length(), textBounds);
textWidth1 = textBounds.width();
}
canvas.drawText(toDraw, xPos - textWidth1 / 2, yPos, textPaint);
textWidth = 0;
}
}
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
PresentationController.getInstance(context)
.setDurationMs((hourOfDay * 60 + minute) * 60 * 1000);
PresentationController.getInstance(context).start();
}