}
/** loads the image described by string str, possibly blocking for a network load */
- private static ImageDecoder getImage(String str) {
- ImageDecoder ret = null;
+ static ImageDecoder getImage(String str, final Function callback) {
boolean ispng = false;
if (str.indexOf(':') == -1) {
if (str.endsWith(".jpeg") || str.endsWith(".jpg"))
str = "http://xmlrpc.xwt.org/jpeg2png/" + str.substring(str.indexOf("//") + 2);
- if (str.endsWith(".gif")) ret = GIF.decode(new HTTP(str).getInputStream(), str);
- else ret = PNG.decode(new HTTP(str).getInputStream(), str);
- return ret;
+ HTTP http = new HTTP(str);
+ final HTTP.HTTPInputStream in = http.GET();
+ final int contentLength = in.getContentLength();
+ InputStream is = new FilterInputStream(in) {
+ int bytesDownloaded = 0;
+ boolean clear = true;
+ public int read() throws IOException {
+ bytesDownloaded++;
+ return super.read();
+ }
+ public int read(byte[] b, int off, int len) throws IOException {
+ int ret = super.read(b, off, len);
+ if (ret != -1) bytesDownloaded += ret;
+ if (clear && callback != null) {
+ clear = false;
+ ThreadMessage.newthread(new JSObject.JSFunction() {
+ public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
+ try {
+ callback.call(cx, null, null, new Object[] {
+ new Double(bytesDownloaded), new Double(contentLength) });
+ } finally {
+ clear = true;
+ }
+ return null;
+ }
+ });
+ }
+ return ret;
+ }
+ };
+
+ if (str.endsWith(".gif")) return GIF.decode(is, str);
+ else return PNG.decode(is, str);
} catch (IOException e) {
if (Log.on) Log.log(Box.class, "error while trying to load an image from " + str);
Picture ret = null;
ret = (Picture)pictureCache.get(os);
if (ret != null) return ret;
- ImageDecoder id = getImage(os);
+ ImageDecoder id = getImage(os, null);
if (id == null) return null;
ret = Platform.createPicture(id);
pictureCache.put(os, ret);
} else {
border = (Picture[])bordercache.get(s);
if (border == null) {
- ImageDecoder id = getImage(s);
+ ImageDecoder id = getImage(s, null);
if (id == null) {
if (Log.on) Log.log(this, "unable to load border image " + s + " at " +
Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
}
/** creates a new box from an anonymous template; <tt>ids</tt> is passed through to Template.apply() */
- Box(Template anonymous, Vec pboxes, Vec ptemplates) {
+ Box(Template anonymous, Vec pboxes, Vec ptemplates, Function callback, int numerator, int denominator) {
super(true);
set(dmax, 0, Short.MAX_VALUE);
set(dmax, 1, Short.MAX_VALUE);
template = anonymous;
- template.apply(this, pboxes, ptemplates);
+ template.apply(this, pboxes, ptemplates, callback, numerator, denominator);
templatename = null;
importlist = null;
}
/** creates a new box from an unresolved templatename and an importlist; use "box" for an untemplatized box */
- public Box(String templatename, String[] importlist) {
+ public Box(String templatename, String[] importlist) { this(templatename, importlist, null); }
+ public Box(String templatename, String[] importlist, Function callback) {
super(true);
set(dmax, 0, Short.MAX_VALUE);
set(dmax, 1, Short.MAX_VALUE);
this.importlist = importlist;
- template = "box".equals(templatename) ? null : Template.getTemplate(templatename, importlist);
- this.templatename = templatename;
+ if (!"box".equals(templatename)) {
+ template = Template.getTemplate(templatename, importlist);
+ if (template == null)
+ if (Log.on) Log.log(this, "couldn't find template \"" + templatename + "\"");
+ }
if (template != null) {
- template.apply(this, null, null);
+ this.templatename = templatename;
+ template.apply(this, null, null, callback, 0, template.numUnits());
if (redirect == this && !"self".equals(template.redirect)) redirect = null;
}
}
/** Checks if the Box's size has changed, dirties it if necessary, and makes sure childrens' sizes are up to date */
void prerender() {
+ if (invisible) return;
+
if (getParent() == null) {
set(pos, 0, 0);
set(pos, 1, 0);
// arbitrarily distribute out any leftovers resulting from rounding errors
int last = 0;
- while(goal > total && total != last) {
+ while(goal != total && total != last) {
last = total;
for(Box bt = getChild(0); bt != null; bt = bt.nextSibling()) {
- int newsize = bound(bt.cmin(o), bt.size(o) + 1, bt.dmax(o));
+ int newsize = bound(bt.cmin(o), bt.size(o) + (goal > total ? 1 : -1), bt.dmax(o));
total += newsize - bt.size(o);
bt.set(size, o, newsize);
}
int y1 = max(y, pos(1) + bh);
int x2 = min(x + w, pos(0) + size(0) - bw);
int y2 = min(y + h, pos(1) + size(1) - bh);
- buf.setClip(0, 0, buf.getWidth(), buf.getHeight());
if (y2 - y1 > 0 && x2 - x1 > 0)
buf.fillRect(x1,y1,x2,y2,(color & 0xFF000000) != 0 ? color : SpecialBoxProperty.lightGray);
}
* WARNING: O(n) runtime, unless i == numChildren()
*/
public void put(int i, Scriptable start, Object value) {
- if (value == null) {
- if (i >= 0 && i < numChildren()) getChild(i).remove();
- return;
- }
- if (value instanceof RootProxy) {
- if (Log.on) Log.log(this, "attempt to reparent a box via its proxy object at " +
- Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
- return;
- } else if (!(value instanceof Box)) {
+
+ if (value != null && !(value instanceof Box)) {
if (Log.on) Log.log(this, "attempt to set a numerical property on a box to anything other than a box at " +
Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
- return;
- }
- Box newnode = (Box)value;
- if (redirect == null) {
- if (Log.on) Log.log(this, "attempt to add a child to a node with a null redirect at " +
+
+ } else if (redirect == null) {
+ if (Log.on) Log.log(this, "attempt to add/remove children to/from a node with a null redirect at " +
Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
- return;
- } else if (redirect != this) redirect.put(i, null, newnode);
- else {
+
+ } else if (redirect != this) {
+ Box b = value == null ? (Box)redirect.get(i, null) : (Box)value;
+ redirect.put(i, null, value);
+ put("0", null, b);
+
+ } else if (value == null) {
+ if (i >= 0 && i < numChildren()) {
+ Box b = getChild(i);
+ b.remove();
+ put("0", null, b);
+ }
+
+ } else if (value instanceof RootProxy) {
+ if (Log.on) Log.log(this, "attempt to reparent a box via its proxy object at " +
+ Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
+
+ } else {
+ Box newnode = (Box)value;
+ for(Box cur = this; cur != null; cur = cur.getParent())
+ if (cur == newnode) {
+ if (Log.on) Log.log(this, "attempt to make a node a parent of its own ancestor at " +
+ Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
+ return;
+ }
+
if (numKids > 15 && children == null) convert_to_array();
- if (newnode.parent != null) newnode.remove();
+ newnode.remove();
newnode.parent = this;
if (children == null) {
}
}
newnode.setSurface(surface);
-
+
// need both of these in case child was already uncalc'ed
newnode.mark_for_prerender();
mark_for_prerender();
-
+
newnode.dirty();
sync_cmin_to_children();
- }
- // note that JavaScript box[0] will invoke put(int i), not put(String s)
- put("0", null, newnode);
+ // note that JavaScript box[0] will invoke put(int i), not put(String s)
+ put("0", null, newnode);
+ }
}
public Object get(String name, Scriptable start) { return get(name, start, false); }
SpecialBoxProperty gph = (SpecialBoxProperty)SpecialBoxProperty.specialBoxProperties.get(name);
if (gph != null) return gph.get(this);
- return super.get(name, start);
+ Object ret = super.get(name, start);
+ if (name.startsWith("$") && ret == null)
+ if (Log.on) Log.log(this, "WARNING: attempt to access " + name + ", but no child with id=\"" + name.substring(1) + "\" found; " +
+ Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
+ return ret;
}
/** indicate that we don't want JSObject trying to handle these */
return super.has(name, start);
}
+ public Object[] getIds() {
+ Object[] ret = new Object[numChildren()];
+ for(int i=0; i<ret.length; i++) ret[i] = get(i, null);
+ return ret;
+ }
+
public void put(String name, Scriptable start, Object value) { put(name, start, value, false, null); }
public void put(String name, Scriptable start, Object value, boolean ignoretraps) { put(name, start, value, ignoretraps, null); }
/** remove this node from its parent; INVARIANT: whenever the parent of a node is changed, remove() gets called. */
public void remove() {
if (parent == null) {
- if (surface != null) surface.dispose();
+ if (surface != null) surface.dispose(true);
return;
}
Box oldparent = getParent();
/** returns numerator/denominator, but rounds <i>up</i> instead of down */
static final int divide_round_up(int numerator, int denominator) {
+
+ // cope with bozos who use flex==0.0
+ if (denominator == 0) return Integer.MAX_VALUE;
+
int ret = numerator / denominator;
if (ret * denominator < numerator) return ret + 1;
return ret;
projects / org.ibex.core.git / blobdiff