summaryrefslogtreecommitdiff
path: root/widget/cocoa/ViewRegion.mm
diff options
context:
space:
mode:
Diffstat (limited to 'widget/cocoa/ViewRegion.mm')
-rw-r--r--widget/cocoa/ViewRegion.mm70
1 files changed, 0 insertions, 70 deletions
diff --git a/widget/cocoa/ViewRegion.mm b/widget/cocoa/ViewRegion.mm
deleted file mode 100644
index 455d54fdad..0000000000
--- a/widget/cocoa/ViewRegion.mm
+++ /dev/null
@@ -1,70 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "ViewRegion.h"
-#import <Cocoa/Cocoa.h>
-
-using namespace mozilla;
-
-ViewRegion::~ViewRegion()
-{
- for (size_t i = 0; i < mViews.Length(); i++) {
- [mViews[i] removeFromSuperview];
- }
-}
-
-bool
-ViewRegion::UpdateRegion(const LayoutDeviceIntRegion& aRegion,
- const nsChildView& aCoordinateConverter,
- NSView* aContainerView,
- NSView* (^aViewCreationCallback)())
-{
- if (mRegion == aRegion) {
- return false;
- }
-
- // We need to construct the required region using as many EffectViews
- // as necessary. We try to update the geometry of existing views if
- // possible, or create new ones or remove old ones if the number of
- // rects in the region has changed.
-
- nsTArray<NSView*> viewsToRecycle;
- mViews.SwapElements(viewsToRecycle);
- // The mViews array is now empty.
-
- size_t i = 0;
- for (auto iter = aRegion.RectIter();
- !iter.Done() || i < viewsToRecycle.Length();
- i++) {
- if (!iter.Done()) {
- NSView* view = nil;
- NSRect rect = aCoordinateConverter.DevPixelsToCocoaPoints(iter.Get());
- if (i < viewsToRecycle.Length()) {
- view = viewsToRecycle[i];
- } else {
- view = aViewCreationCallback();
- [aContainerView addSubview:view];
-
- // Now that the view is in the view hierarchy, it'll be kept alive by
- // its superview, so we can drop our reference.
- [view release];
- }
- if (!NSEqualRects(rect, [view frame])) {
- [view setFrame:rect];
- }
- [view setNeedsDisplay:YES];
- mViews.AppendElement(view);
- iter.Next();
- } else {
- // Our new region is made of fewer rects than the old region, so we can
- // remove this view. We only have a weak reference to it, so removing it
- // from the view hierarchy will release it.
- [viewsToRecycle[i] removeFromSuperview];
- }
- }
-
- mRegion = aRegion;
- return true;
-}