Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2025-01-09 05:14:24 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Bug 807174 - Drop-down list used inside a frameset document renders outside the frame. r=roc

Browse Source
This commit is contained in:
Mats Palmgren 2012-10-31 06:10:38 +01:00
parent 7d3defab82
commit d9d4cc8342
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
layout/forms/nsComboboxControlFrame.cpp
View File

@ -644,11 +644,12 @@ nsComboboxControlFrame::GetAvailableDropdownSpace(nscoord* aAbove,
}
nscoord minY;
if (!PresContext()->IsChrome()) {
nsIFrame* root = PresContext()->PresShell()->GetRootFrame();
nsPresContext* pc = PresContext()->GetToplevelContentDocumentPresContext();
nsIFrame* root = pc ? pc->PresShell()->GetRootFrame() : nullptr;
if (root) {
minY = root->GetScreenRectInAppUnits().y;
if (mLastDropDownBelowScreenY < root->GetScreenRectInAppUnits().y) {
// Don't allow the drop-down to be placed above the top of the root frame.
if (mLastDropDownBelowScreenY < minY) {
// Don't allow the drop-down to be placed above the content area.
return;
}
} else {