return null;
}
+/* This resizes the window so the *inner* size is the specified size */
+function resizeBrowserWindow(window, w, h) {
+ var innerW = window.innerWidth;
+ var innerH = window.innerHeight;
+
+ var outerW = window.outerWidth;
+ var outerH = window.outerHeight;
+
+ window.resizeTo(w + outerW - innerW,
+ h + outerH - innerH);
+}
+
+var useToplevelWindows = false;
var grab = new Object();
grab.window = null;
grab.ownerEvents = false;
}
}
+function ensureSurfaceInDocument(surface, doc)
+{
+ if (surface.document != doc) {
+ var oldCanvas = surface.canvas;
+ var canvas = doc.importNode(oldCanvas, false);
+ doc.body.appendChild(canvas);
+ canvas.surface = surface;
+ oldCanvas.parentNode.removeChild(oldCanvas);
+
+ surface.canvas = canvas;
+ surface.document = doc;
+
+ var context = canvas.getContext("2d");
+ context.globalCompositeOperation = "source-over";
+ surface.context = context;
+ }
+}
+
+function getTransientToplevel(surface)
+{
+ while (surface.transientParent != 0) {
+ surface = surfaces[surface.transientParent];
+ if (surface.window)
+ return surface;
+ }
+ return null;
+}
+
function cmdCreateSurface(id, x, y, width, height, isTemp)
{
var surface = { id: id, x: x, y:y, width: width, height: height, isTemp: isTemp };
surface.drawQueue = [];
surface.transientParent = 0;
+ surface.visible = false;
+ surface.window = null;
+ surface.document = document;
var canvas = document.createElement("canvas");
canvas.width = width;
canvas.height = height;
canvas.surface = surface;
canvas.style["position"] = "absolute";
- canvas.style["left"] = x + "px";
- canvas.style["top"] = y + "px";
+ canvas.style["left"] = "0px";
+ canvas.style["top"] = "0px";
canvas.style["display"] = "none";
document.body.appendChild(canvas);
surface.canvas = canvas;
function cmdShowSurface(id)
{
- surfaces[id].canvas.style["display"] = "inline";
+ var surface = surfaces[id];
+
+ if (surface.visible)
+ return;
+ surface.visible = true;
+
+ var xOffset = surface.x;
+ var yOffset = surface.y;
+
+ if (useToplevelWindows) {
+ var doc = document;
+ if (!surface.isTemp) {
+ var win = window.open('','_blank',
+ 'width='+surface.width+',height='+surface.height+
+ ',left='+surface.x+',top='+surface.y+',screenX='+surface.x+',screenY='+surface.y+
+ ',location=no,menubar=no,scrollbars=no,toolbar=no');
+ doc = win.document;
+ doc.open();
+ doc.write("<body></body>");
+ setupDocument(doc);
+
+ surface.window = win;
+ xOffset = 0;
+ yOffset = 0;
+ } else {
+ var transientToplevel = getTransientToplevel(surface);
+ if (transientToplevel) {
+ doc = transientToplevel.window.document;
+ xOffset = surface.x - transientToplevel.x;
+ yOffset = surface.y - transientToplevel.y;
+ }
+ }
+
+ ensureSurfaceInDocument(surface, doc);
+ }
+
+ surface.canvas.style["position"] = "absolute";
+ surface.canvas.style["left"] = xOffset + "px";
+ surface.canvas.style["top"] = yOffset + "px";
+ surface.canvas.style["display"] = "inline";
}
function cmdHideSurface(id)
{
+ var surface = surfaces[id];
+
+ if (!surface.visible)
+ return;
+ surface.visible = false;
+
surfaces[id].canvas.style["display"] = "none";
+
+ // Import the canvas into the main document
+ ensureSurfaceInDocument(surface, document);
+
+ if (surface.window) {
+ surface.window.close();
+ surface.window = null;
+ }
}
function cmdSetTransientFor(id, parentId)
{
- surfaces[id].transientParent = parentId;
+ var surface = surfaces[id];
+
+ if (surface.transientParent == parentId)
+ return;
+
+ surface.transientParent = parentId;
+ if (surface.visible && surface.isTemp) {
+ alert("TODO: move temps between transient parents when visible");
+ }
}
function cmdDeleteSurface(id)
function cmdMoveSurface(id, x, y)
{
- surfaces[id].canvas.style["left"] = x + "px";
- surfaces[id].canvas.style["top"] = y + "px";
+ var surface = surfaces[id];
+ surface.x = x;
+ surface.y = y;
+
+ if (surface.visible) {
+ if (surface.window) {
+ /* TODO: This moves the outer frame position, we really want the inner position.
+ * However this isn't *strictly* invalid, as any WM could have done whatever it
+ * wanted with the positioning of the window.
+ */
+ surface.window.moveTo(surface.x, surface.y);
+ } else {
+ var xOffset = surface.x;
+ var yOffset = surface.y;
+
+ var transientToplevel = getTransientToplevel(surface);
+ if (transientToplevel) {
+ xOffset = surface.x - transientToplevel.x;
+ yOffset = surface.y - transientToplevel.y;
+ }
+
+ surface.canvas.style["left"] = xOffset + "px";
+ surface.canvas.style["top"] = yOffset + "px";
+ }
+ }
}
function cmdResizeSurface(id, w, h)
{
var surface = surfaces[id];
+ surface.width = w;
+ surface.height = h;
+
/* Flush any outstanding draw ops before changing size */
flushSurface(surface);
/* Canvas resize clears the data, so we need to save it first */
- var tmpCanvas = document.createElement("canvas");
+ var tmpCanvas = surface.document.createElement("canvas");
tmpCanvas.width = surface.canvas.width;
tmpCanvas.height = surface.canvas.height;
var tmpContext = tmpCanvas.getContext("2d");
surface.context.globalCompositeOperation = "copy";
surface.context.drawImage(tmpCanvas, 0, 0, tmpCanvas.width, tmpCanvas.height);
+
+ if (surface.window) {
+ resizeBrowserWindow(surface.window, w, h);
+ }
}
function cmdFlushSurface(id)
projects / ~andy / gtk / commitdiff