protected void notifyObservers(final T model) {
synchronized (listeners) {
for (OnChangeListener<T> listener : listeners) {
listener.onChange(model);
}
}
}
/**
* Reset the lightweight theme. Note: This should be called on the UI thread to restrict accessing
* the bitmap to a single thread.
*/
private void resetLightweightTheme() {
ThreadUtils.assertOnUiThread(AssertBehavior.NONE);
if (mBitmap == null) {
return;
}
// Reset the bitmap.
mBitmap = null;
for (OnChangeListener listener : mListeners) {
listener.onLightweightThemeReset();
}
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
mDeltX = mSwitchOn ? mMoveLength : -mMoveLength;
mSwitchOn = !mSwitchOn;
if (mListener != null) {
mListener.onChange(this, mSwitchOn);
}
invalidate();
mDeltX = 0;
}
@SuppressLint("ClickableViewAccessibility")
@Override
public boolean onTouch(View arg0, MotionEvent event) {
actualX = event.getX();
actualY = event.getY();
virtualX = actualX - outerRadius;
virtualY = outerRadius - actualY;
double radius = outerRadius - innerRadius;
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: // Fall through ACTION_MOVE case
case MotionEvent.ACTION_MOVE:
if (Math.sqrt(Math.pow(virtualX, 2) + Math.pow(virtualY, 2)) >= radius) {
double angle = Math.atan(virtualY / virtualX);
if (virtualY > 0 && virtualX > 0) {
virtualX = (float) (Math.cos(angle) * radius);
virtualY = (float) (Math.sin(angle) * radius);
} else if (virtualY > 0 && virtualX < 0) {
virtualX = (float) -Math.abs(Math.cos(angle) * radius);
virtualY = (float) Math.abs(Math.sin(angle) * radius);
} else if (virtualY < 0 && virtualX < 0) {
virtualX = (float) -Math.abs(Math.cos(angle) * radius);
virtualY = (float) -Math.abs(Math.sin(angle) * radius);
} else if (virtualY < 0 && virtualX > 0) {
virtualX = (float) (Math.cos(angle) * radius);
virtualY = (float) -Math.abs(Math.sin(angle) * radius);
} else {
virtualX = 0;
virtualY = 0;
}
actualX = virtualX + outerRadius;
actualY = outerRadius - virtualY;
}
break;
case MotionEvent.ACTION_UP:
virtualX = 0;
virtualY = 0;
actualX = virtualX + outerRadius;
actualY = outerRadius - virtualY;
break;
}
invalidate();
// Convert joystick range
virtualX = (float) ((128 / radius) * virtualX);
virtualY = (float) ((128 / radius) * virtualY);
// Convert to byte for packets
xAxis = (byte) (virtualX);
yAxis = (byte) (virtualY);
onChange.onChange(xAxis, yAxis);
return true;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// TODO Auto-generated method stub
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mLastX = event.getX();
break;
case MotionEvent.ACTION_MOVE:
mCurrentX = event.getX();
mDeltX = (int) (mCurrentX - mLastX);
// 如果开关开着向左滑动，或者开关关着向右滑动（这时候是不需要处理的）
if ((mSwitchOn && mDeltX < 0) || (!mSwitchOn && mDeltX > 0)) {
mFlag = true;
mDeltX = 0;
}
if (Math.abs(mDeltX) > mMoveLength) {
mDeltX = mDeltX > 0 ? mMoveLength : -mMoveLength;
}
invalidate();
return true;
case MotionEvent.ACTION_UP:
if (Math.abs(mDeltX) > 0 && Math.abs(mDeltX) < mMoveLength / 2) {
mDeltX = 0;
invalidate();
return true;
} else if (Math.abs(mDeltX) > mMoveLength / 2 && Math.abs(mDeltX) <= mMoveLength) {
mDeltX = mDeltX > 0 ? mMoveLength : -mMoveLength;
mSwitchOn = !mSwitchOn;
if (mListener != null) {
mListener.onChange(this, mSwitchOn);
}
invalidate();
mDeltX = 0;
return true;
} else if (mDeltX == 0 && mFlag) {
// 这时候得到的是不需要进行处理的，因为已经move过了
mDeltX = 0;
mFlag = false;
return true;
}
return super.onTouchEvent(event);
default:
break;
}
invalidate();
return super.onTouchEvent(event);
}
protected void notifyListeners(String val) {
if (mListener != null) {
mListener.onChange(this);
}
}
public void remGroupFromTrainingFeed(TrainingFeed trainingFeed, Groups group) {
trainingFeed.deleteGroup(group);
if (listener != null) {
listener.onGroupRemoved(trainingFeed);
}
}
public void change(T value) {
for (OnChangeListener<T> listener : listeners) listener.change(value);
}
/**
* Set a new lightweight theme with the given bitmap. Note: This should be called on the UI thread
* to restrict accessing the bitmap to a single thread.
*
* @param bitmap The bitmap used for the lightweight theme.
* @param color The background/accent color used for the lightweight theme.
*/
private void setLightweightTheme(Bitmap bitmap, String color) {
if (bitmap == null || bitmap.getWidth() == 0 || bitmap.getHeight() == 0) {
mBitmap = null;
return;
}
// Get the max display dimension so we can crop or expand the theme.
final int maxWidth = WindowUtils.getLargestDimension(mApplication);
// The lightweight theme image's width and height.
final int bitmapWidth = bitmap.getWidth();
final int bitmapHeight = bitmap.getHeight();
try {
mColor = Color.parseColor(color);
} catch (Exception e) {
// Malformed or missing color.
// Default to TRANSPARENT.
mColor = Color.TRANSPARENT;
}
// Calculate the luminance to determine if it's a light or a dark theme.
double luminance =
(0.2125 * ((mColor & 0x00FF0000) >> 16))
+ (0.7154 * ((mColor & 0x0000FF00) >> 8))
+ (0.0721 * (mColor & 0x000000FF));
mIsLight = luminance > 110;
// The bitmap image might be smaller than the device's width.
// If it's smaller, fill the extra space on the left with the dominant color.
if (bitmapWidth >= maxWidth) {
mBitmap = Bitmap.createBitmap(bitmap, bitmapWidth - maxWidth, 0, maxWidth, bitmapHeight);
} else {
Paint paint = new Paint();
paint.setAntiAlias(true);
// Create a bigger image that can fill the device width.
// By creating a canvas for the bitmap, anything drawn on the canvas
// will be drawn on the bitmap.
mBitmap = Bitmap.createBitmap(maxWidth, bitmapHeight, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(mBitmap);
// Fill the canvas with dominant color.
canvas.drawColor(mColor);
// The image should be top-right aligned.
Rect rect = new Rect();
Gravity.apply(
Gravity.TOP | Gravity.RIGHT,
bitmapWidth,
bitmapHeight,
new Rect(0, 0, maxWidth, bitmapHeight),
rect);
// Draw the bitmap.
canvas.drawBitmap(bitmap, null, rect, paint);
}
for (OnChangeListener listener : mListeners) {
listener.onLightweightThemeChanged();
}
}
