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Use NSView convertRect:toView: for BrowserView DragRegionView positioning

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This commit is contained in:
Birunthan Mohanathas 2018-03-19 13:39:58 +02:00
parent 377e6c3210
commit 3b8ddd0997
1 changed files with 24 additions and 39 deletions
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63
atom/browser/native_browser_view_mac.mm
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@ -195,53 +195,38 @@ void NativeBrowserViewMac::SetBackgroundColor(SkColor color) {
void NativeBrowserViewMac::UpdateDraggableRegions(
const std::vector<gfx::Rect>& drag_exclude_rects) {
NSView* webView = GetInspectableWebContentsView()->GetNativeView();
NSView* inspectable_view = GetInspectableWebContentsView()->GetNativeView();
NSView* window_content_view = inspectable_view.superview;
const auto window_content_view_height = NSHeight(window_content_view.bounds);
NSInteger superViewHeight = NSHeight([webView.superview bounds]);
NSInteger webViewHeight = NSHeight([webView bounds]);
NSInteger webViewWidth = NSWidth([webView bounds]);
NSInteger webViewX = NSMinX([webView frame]);
NSInteger webViewY = 0;
// Apple's NSViews have their coordinate system originate at the bottom left,
// meaning that we need to be a bit smarter when it comes to calculating our
// current top offset
if (webViewHeight > superViewHeight) {
webViewY = std::abs(webViewHeight - superViewHeight - (std::abs(NSMinY([webView frame]))));
} else {
webViewY = superViewHeight - NSMaxY([webView frame]);
// Remove all DragRegionViews that were added last time. Note that we need
// to copy the `subviews` array to avoid mutation during iteration.
base::scoped_nsobject<NSArray> subviews([[inspectable_view subviews] copy]);
for (NSView* subview in subviews.get()) {
if ([subview isKindOfClass:[DragRegionView class]]) {
[subview removeFromSuperview];
}
}
// Remove all DraggableRegionViews that are added last time.
// Note that [webView subviews] returns the view's mutable internal array and
// it should be copied to avoid mutating the original array while enumerating
// it.
base::scoped_nsobject<NSArray> subviews([[webView subviews] copy]);
for (NSView* subview in subviews.get())
if ([subview isKindOfClass:[DragRegionView class]])
[subview removeFromSuperview];
// Create one giant NSView that is draggable.
base::scoped_nsobject<NSView> dragRegion(
[[DragRegionView alloc] initWithFrame:NSZeroRect]);
[dragRegion setFrame:NSMakeRect(0,
0,
webViewWidth,
webViewHeight)];
base::scoped_nsobject<NSView> drag_region_view(
[[DragRegionView alloc] initWithFrame:inspectable_view.bounds]);
[inspectable_view addSubview:drag_region_view];
// Then, on top of that, add "exclusion zones"
for (const auto& rect : drag_exclude_rects) {
base::scoped_nsobject<NSView> controlRegion(
[[ExcludeDragRegionView alloc] initWithFrame:NSZeroRect]);
[controlRegion setFrame:NSMakeRect(rect.x() - webViewX,
webViewHeight - rect.bottom() + webViewY,
rect.width(),
rect.height())];
[dragRegion addSubview:controlRegion];
}
const auto window_content_view_exclude_rect =
NSMakeRect(rect.x(), window_content_view_height - rect.bottom(),
rect.width(), rect.height());
const auto drag_region_view_exclude_rect =
[window_content_view convertRect:window_content_view_exclude_rect
toView:drag_region_view];
// Add the DragRegion to the WebView
[webView addSubview:dragRegion];
base::scoped_nsobject<NSView> exclude_drag_region_view(
[[ExcludeDragRegionView alloc]
initWithFrame:drag_region_view_exclude_rect]);
[drag_region_view addSubview:exclude_drag_region_view];
}
}
// static