/**
* Set the position of this window in absolute pixels. The window's top-left corner will be
* positioned at the given x and y, unless you've set a different anchor point with {@link
* #setAnchorPoint(float, float)}.
*
* <p>Changes will not applied until you {@link #commit()}.
*
* @param x
* @param y
* @param skip Don't call {@link #setPosition(int, int)} and {@link #setSize(int, int)} to avoid
* stack overflow.
* @return The same Editor, useful for method chaining.
*/
private Editor setPosition(int x, int y, boolean skip) {
if (mParams != null) {
if (anchorX < 0 || anchorX > 1 || anchorY < 0 || anchorY > 1) {
throw new IllegalStateException("Anchor point must be between 0 and 1, inclusive.");
}
// sets the x and y correctly according to anchorX and
// anchorY
if (x != UNCHANGED) {
mParams.x = (int) (x - mParams.width * anchorX);
}
if (y != UNCHANGED) {
mParams.y = (int) (y - mParams.height * anchorY);
}
if (Utils.isSet(flags, StandOutFlags.FLAG_WINDOW_EDGE_LIMITS_ENABLE)) {
// if gravity is not TOP|LEFT throw exception
if (mParams.gravity != (Gravity.TOP | Gravity.LEFT)) {
throw new IllegalStateException(
"The window "
+ id
+ " gravity must be TOP|LEFT if FLAG_WINDOW_EDGE_LIMITS_ENABLE or FLAG_WINDOW_EDGE_TILE_ENABLE is set.");
}
// keep window inside edges
// mParams.x = Math.min(Math.max(mParams.x, 0), displayWidth - mParams.width);
// mParams.y = Math.min(Math.max(mParams.y, 0), displayHeight - mParams.height);
}
}
return this;
}
/**
* Request or remove the focus from this window.
*
* @param focus Whether we want to gain or lose focus.
* @return True if focus changed successfully, false if it failed.
*/
public boolean onFocus(boolean focus) {
if (!Utils.isSet(flags, StandOutFlags.FLAG_WINDOW_FOCUSABLE_DISABLE)) {
// window is focusable
if (focus == focused) {
// window already focused/unfocused
return false;
}
focused = focus;
// alert callbacks and cancel if instructed
if (mContext.onFocusChange(id, this, focus)) {
Log.d(
TAG,
"Window "
+ id
+ " focus change "
+ (focus ? "(true)" : "(false)")
+ " cancelled by implementation.");
focused = !focus;
return false;
}
if (!Utils.isSet(flags, StandOutFlags.FLAG_WINDOW_FOCUS_INDICATOR_DISABLE)) {
// change visual state
View content = findViewById(R.id.content);
if (focus) {
// gaining focus
content.setBackgroundResource(R.drawable.border_focused);
} else {
// losing focus
if (Utils.isSet(flags, StandOutFlags.FLAG_DECORATION_SYSTEM)) {
// system decorations
content.setBackgroundResource(R.drawable.border);
} else {
// no decorations
content.setBackgroundResource(0);
}
}
}
// set window manager params
StandOutLayoutParams params = getLayoutParams();
params.setFocusFlag(focus);
mContext.updateViewLayout(id, params);
if (focus) {
mContext.setFocusedWindow(this);
} else {
if (mContext.getFocusedWindow() == this) {
mContext.setFocusedWindow(null);
}
}
return true;
}
return false;
}
/**
* Set the size of this window in absolute pixels. The window will expand and shrink around the
* top-left corner, unless you've set a different anchor point with {@link
* #setAnchorPoint(float, float)}.
*
* <p>Changes will not applied until you {@link #commit()}.
*
* @param width
* @param height
* @param skip Don't call {@link #setPosition(int, int)} to avoid stack overflow.
* @return The same Editor, useful for method chaining.
*/
private Editor setSize(int width, int height, boolean skip) {
if (mParams != null) {
if (anchorX < 0 || anchorX > 1 || anchorY < 0 || anchorY > 1) {
throw new IllegalStateException("Anchor point must be between 0 and 1, inclusive.");
}
int lastWidth = mParams.width;
int lastHeight = mParams.height;
if (width != UNCHANGED) {
mParams.width = width;
}
if (height != UNCHANGED) {
mParams.height = height;
}
// set max width/height
int maxWidth = mParams.maxWidth;
int maxHeight = mParams.maxHeight;
if (Utils.isSet(flags, StandOutFlags.FLAG_WINDOW_EDGE_LIMITS_ENABLE)) {
maxWidth = (int) Math.min(maxWidth, displayWidth);
maxHeight = (int) Math.min(maxHeight, displayHeight);
}
// keep window between min and max
mParams.width = Math.min(Math.max(mParams.width, mParams.minWidth), maxWidth);
mParams.height = Math.min(Math.max(mParams.height, mParams.minHeight), maxHeight);
// keep window in aspect ratio
if (Utils.isSet(flags, StandOutFlags.FLAG_WINDOW_ASPECT_RATIO_ENABLE)) {
int ratioWidth = (int) (mParams.height * touchInfo.ratio);
int ratioHeight = (int) (mParams.width / touchInfo.ratio);
if (ratioHeight >= mParams.minHeight && ratioHeight <= mParams.maxHeight) {
// width good adjust height
mParams.height = ratioHeight;
} else {
// height good adjust width
mParams.width = ratioWidth;
}
}
if (!skip) {
// set position based on anchor point
setPosition(
(int) (mParams.x + lastWidth * anchorX), (int) (mParams.y + lastHeight * anchorY));
}
}
return this;
}