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bustage fix for bug 475997, r=tglek

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This commit is contained in:
Mark Finkle 2009-01-30 13:13:06 -05:00
parent 42da130e31
commit 2d8ff8e97d
1 changed files with 8 additions and 9 deletions
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17
mobile/chrome/content/CanvasBrowser.js
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@ -87,7 +87,7 @@ CanvasBrowser.prototype = {
browser.addEventListener("MozAfterPaint", this._paintHandler, false);
this._browser = browser;
// endLoading(and startLoading in most cases) calls zoom anyway
if (!skipZoom) {
self.zoomToPage();
@ -114,7 +114,6 @@ CanvasBrowser.prototype = {
viewportHandler: function(bounds, oldBounds) {
let pageBounds = bounds.clone();
let visibleBounds = ws.viewingRect;
visibleBounds = visibleBounds.intersect(bounds)
pageBounds.top = Math.floor(this._screenToPage(bounds.top));
pageBounds.left = Math.floor(this._screenToPage(bounds.left));
pageBounds.bottom = Math.ceil(this._screenToPage(bounds.bottom));
@ -125,14 +124,14 @@ CanvasBrowser.prototype = {
visibleBounds.left = Math.max(0, Math.floor(this._screenToPage(visibleBounds.left)));
visibleBounds.bottom = Math.ceil(this._screenToPage(visibleBounds.bottom));
visibleBounds.right = Math.ceil(this._screenToPage(visibleBounds.right));
this._visibleBounds = visibleBounds
this._visibleBounds = visibleBounds;
let dx = this._screenX - bounds.x;
let dy = this._screenY - bounds.y;
this._screenX = bounds.x;
this._screenY = bounds.y;
this._pageBounds = pageBounds;
if (!oldBounds) {
// no old bounds means we resized the viewport, so redraw everything
this._redrawRect(pageBounds.x, pageBounds.y,
@ -446,19 +445,19 @@ CanvasBrowser.prototype = {
let curRect = this._visibleBounds
let newx = curRect.x;
let newy = curRect.y;
if (elRect.x < curRect.x || elRect.width > curRect.width) {
newx = elRect.x;
} else if (elRect.x + elRect.width > curRect.x + curRect.width) {
newx = elRect.x - curRect.width + elRect.width
}
}
if (elRect.y < curRect.y || elRect.height > curRect.height) {
newy = elRect.y;
} else if (elRect.y + elRect.height > curRect.y + curRect.height) {
newy = elRect.y - curRect.height + elRect.height
}
}
ws.panBy(this._pageToScreen(curRect.x-newx),this._pageToScreen(curRect.y - newy), true)
},