Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-11-24 13:21:05 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Bug 1241332 - part 2, Request zoomToFocusedInput after resize finishes and propagates through APZ r=kats

Browse Source
This commit is contained in:
Randall Barker 2016-03-02 14:15:41 -08:00
parent 3debd6e962
commit 0d6eb2d4d1
1 changed files with 38 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
mobile/android/chrome/content/browser.js
View File

@ -1554,10 +1554,45 @@ var BrowserApp = {
aAllowZoom && shouldZoom && !ViewportHandler.isViewportSpecified(aBrowser.contentWindow));
}
} else {
// Using a timeout to let the viewport propagate to the compositor thread before requesting a pan and zoom animation
// so the element will end up in the middle of the correctly sized viewport. See Bug 1231517.
let dwu = aBrowser.contentWindow.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);
if (!dwu) {
return;
}
let apzFlushDone = function() {
Services.obs.removeObserver(apzFlushDone, "apz-repaints-flushed", false);
dwu.zoomToFocusedInput();
};
let paintDone = function() {
window.removeEventListener("MozAfterPaint", paintDone, false);
if (dwu.flushApzRepaints()) {
Services.obs.addObserver(apzFlushDone, "apz-repaints-flushed", false);
} else {
apzFlushDone();
}
};
let gotResizeWindow = false;
let resizeWindow = function(e) {
gotResizeWindow = true;
aBrowser.contentWindow.removeEventListener("resize", resizeWindow, false);
if (dwu.isMozAfterPaintPending) {
window.addEventListener("MozAfterPaint", paintDone, false);
} else {
paintDone();
}
}
aBrowser.contentWindow.addEventListener("resize", resizeWindow, false);
// The "resize" event sometimes fails to fire, so set a timer to catch that case
// and unregister the event listener. See Bug 1253469
setTimeout(function(e) {
aBrowser.contentWindow.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils).zoomToFocusedInput();
if (!gotResizeWindow) {
aBrowser.contentWindow.removeEventListener("resize", resizeWindow, false);
dwu.zoomToFocusedInput();
}
}, 500);
}
},