--- /dev/null
+define("dojo/window", ["./_base/lang", "./_base/sniff", "./_base/window", "./dom", "./dom-geometry", "./dom-style"],
+ function(lang, has, baseWindow, dom, geom, style) {
+
+// module:
+// dojo/window
+// summary:
+// TODOC
+
+var window = lang.getObject("dojo.window", true);
+
+/*=====
+dojo.window = {
+ // summary:
+ // TODO
+};
+window = dojo.window;
+=====*/
+
+window.getBox = function(){
+ // summary:
+ // Returns the dimensions and scroll position of the viewable area of a browser window
+
+ var
+ scrollRoot = (baseWindow.doc.compatMode == 'BackCompat') ? baseWindow.body() : baseWindow.doc.documentElement,
+ // get scroll position
+ scroll = geom.docScroll(), // scrollRoot.scrollTop/Left should work
+ w, h;
+
+ if(has("touch")){ // if(scrollbars not supported)
+ var uiWindow = baseWindow.doc.parentWindow || baseWindow.doc.defaultView; // use UI window, not dojo.global window. baseWindow.doc.parentWindow probably not needed since it's not defined for webkit
+ // on mobile, scrollRoot.clientHeight <= uiWindow.innerHeight <= scrollRoot.offsetHeight, return uiWindow.innerHeight
+ w = uiWindow.innerWidth || scrollRoot.clientWidth; // || scrollRoot.clientXXX probably never evaluated
+ h = uiWindow.innerHeight || scrollRoot.clientHeight;
+ }else{
+ // on desktops, scrollRoot.clientHeight <= scrollRoot.offsetHeight <= uiWindow.innerHeight, return scrollRoot.clientHeight
+ // uiWindow.innerWidth/Height includes the scrollbar and cannot be used
+ w = scrollRoot.clientWidth;
+ h = scrollRoot.clientHeight;
+ }
+ return {
+ l: scroll.x,
+ t: scroll.y,
+ w: w,
+ h: h
+ };
+};
+
+window.get = function(doc){
+ // summary:
+ // Get window object associated with document doc
+
+ // In some IE versions (at least 6.0), document.parentWindow does not return a
+ // reference to the real window object (maybe a copy), so we must fix it as well
+ // We use IE specific execScript to attach the real window reference to
+ // document._parentWindow for later use
+ if(has("ie") && window !== document.parentWindow){
+ /*
+ In IE 6, only the variable "window" can be used to connect events (others
+ may be only copies).
+ */
+ doc.parentWindow.execScript("document._parentWindow = window;", "Javascript");
+ //to prevent memory leak, unset it after use
+ //another possibility is to add an onUnload handler which seems overkill to me (liucougar)
+ var win = doc._parentWindow;
+ doc._parentWindow = null;
+ return win; // Window
+ }
+
+ return doc.parentWindow || doc.defaultView; // Window
+};
+
+window.scrollIntoView = function(/*DomNode*/ node, /*Object?*/ pos){
+ // summary:
+ // Scroll the passed node into view, if it is not already.
+
+ // don't rely on node.scrollIntoView working just because the function is there
+
+ try{ // catch unexpected/unrecreatable errors (#7808) since we can recover using a semi-acceptable native method
+ node = dom.byId(node);
+ var doc = node.ownerDocument || baseWindow.doc,
+ body = doc.body || baseWindow.body(),
+ html = doc.documentElement || body.parentNode,
+ isIE = has("ie"), isWK = has("webkit");
+ // if an untested browser, then use the native method
+ if((!(has("mozilla") || isIE || isWK || has("opera")) || node == body || node == html) && (typeof node.scrollIntoView != "undefined")){
+ node.scrollIntoView(false); // short-circuit to native if possible
+ return;
+ }
+ var backCompat = doc.compatMode == 'BackCompat',
+ clientAreaRoot = (isIE >= 9 && node.ownerDocument.parentWindow.frameElement)
+ ? ((html.clientHeight > 0 && html.clientWidth > 0 && (body.clientHeight == 0 || body.clientWidth == 0 || body.clientHeight > html.clientHeight || body.clientWidth > html.clientWidth)) ? html : body)
+ : (backCompat ? body : html),
+ scrollRoot = isWK ? body : clientAreaRoot,
+ rootWidth = clientAreaRoot.clientWidth,
+ rootHeight = clientAreaRoot.clientHeight,
+ rtl = !geom.isBodyLtr(),
+ nodePos = pos || geom.position(node),
+ el = node.parentNode,
+ isFixed = function(el){
+ return ((isIE <= 6 || (isIE && backCompat))? false : (style.get(el, 'position').toLowerCase() == "fixed"));
+ };
+ if(isFixed(node)){ return; } // nothing to do
+
+ while(el){
+ if(el == body){ el = scrollRoot; }
+ var elPos = geom.position(el),
+ fixedPos = isFixed(el);
+
+ if(el == scrollRoot){
+ elPos.w = rootWidth; elPos.h = rootHeight;
+ if(scrollRoot == html && isIE && rtl){ elPos.x += scrollRoot.offsetWidth-elPos.w; } // IE workaround where scrollbar causes negative x
+ if(elPos.x < 0 || !isIE){ elPos.x = 0; } // IE can have values > 0
+ if(elPos.y < 0 || !isIE){ elPos.y = 0; }
+ }else{
+ var pb = geom.getPadBorderExtents(el);
+ elPos.w -= pb.w; elPos.h -= pb.h; elPos.x += pb.l; elPos.y += pb.t;
+ var clientSize = el.clientWidth,
+ scrollBarSize = elPos.w - clientSize;
+ if(clientSize > 0 && scrollBarSize > 0){
+ elPos.w = clientSize;
+ elPos.x += (rtl && (isIE || el.clientLeft > pb.l/*Chrome*/)) ? scrollBarSize : 0;
+ }
+ clientSize = el.clientHeight;
+ scrollBarSize = elPos.h - clientSize;
+ if(clientSize > 0 && scrollBarSize > 0){
+ elPos.h = clientSize;
+ }
+ }
+ if(fixedPos){ // bounded by viewport, not parents
+ if(elPos.y < 0){
+ elPos.h += elPos.y; elPos.y = 0;
+ }
+ if(elPos.x < 0){
+ elPos.w += elPos.x; elPos.x = 0;
+ }
+ if(elPos.y + elPos.h > rootHeight){
+ elPos.h = rootHeight - elPos.y;
+ }
+ if(elPos.x + elPos.w > rootWidth){
+ elPos.w = rootWidth - elPos.x;
+ }
+ }
+ // calculate overflow in all 4 directions
+ var l = nodePos.x - elPos.x, // beyond left: < 0
+ t = nodePos.y - Math.max(elPos.y, 0), // beyond top: < 0
+ r = l + nodePos.w - elPos.w, // beyond right: > 0
+ bot = t + nodePos.h - elPos.h; // beyond bottom: > 0
+ if(r * l > 0){
+ var s = Math[l < 0? "max" : "min"](l, r);
+ if(rtl && ((isIE == 8 && !backCompat) || isIE >= 9)){ s = -s; }
+ nodePos.x += el.scrollLeft;
+ el.scrollLeft += s;
+ nodePos.x -= el.scrollLeft;
+ }
+ if(bot * t > 0){
+ nodePos.y += el.scrollTop;
+ el.scrollTop += Math[t < 0? "max" : "min"](t, bot);
+ nodePos.y -= el.scrollTop;
+ }
+ el = (el != scrollRoot) && !fixedPos && el.parentNode;
+ }
+ }catch(error){
+ console.error('scrollIntoView: ' + error);
+ node.scrollIntoView(false);
+ }
+};
+
+return window;
+});
git.wh0rd.org / tt-rss.git / blobdiff