fix: re-enable MacWebContentsOcclusion feature flag (#45801)

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Keeley Hammond <khammond@slack-corp.com>
This commit is contained in:
trop[bot] 2025-02-25 11:19:59 -08:00 committed by GitHub
parent 255e4e22e4
commit 7a0abfd667
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2 changed files with 149 additions and 17 deletions

View file

@ -17,11 +17,59 @@ Refs: https://chromium-review.googlesource.com/c/chromium/src/+/6078344
This partially (leaves the removal of the feature flag) reverts
ef865130abd5539e7bce12308659b19980368f12.
diff --git a/content/app_shim_remote_cocoa/web_contents_occlusion_checker_mac.h b/content/app_shim_remote_cocoa/web_contents_occlusion_checker_mac.h
index 428902f90950b2e9434c8a624a313268ebb80cd4..afcc3bc481be6a16119f7e2af647276cb0dafa1e 100644
--- a/content/app_shim_remote_cocoa/web_contents_occlusion_checker_mac.h
+++ b/content/app_shim_remote_cocoa/web_contents_occlusion_checker_mac.h
@@ -12,6 +12,8 @@
#import "content/app_shim_remote_cocoa/web_contents_view_cocoa.h"
#include "content/common/web_contents_ns_view_bridge.mojom.h"
+extern CONTENT_EXPORT const base::FeatureParam<bool>
+ kEnhancedWindowOcclusionDetection;
extern CONTENT_EXPORT const base::FeatureParam<bool>
kDisplaySleepAndAppHideDetection;
diff --git a/content/app_shim_remote_cocoa/web_contents_occlusion_checker_mac.mm b/content/app_shim_remote_cocoa/web_contents_occlusion_checker_mac.mm
index 32523e6a6f800de3917d18825f94c66ef4ea4388..634d68b9a2840d7c9e7c3b5e23d8b1b8ac02456b 100644
--- a/content/app_shim_remote_cocoa/web_contents_occlusion_checker_mac.mm
+++ b/content/app_shim_remote_cocoa/web_contents_occlusion_checker_mac.mm
@@ -19,6 +19,12 @@
#include "content/public/browser/content_browser_client.h"
#include "content/public/common/content_client.h"
+using features::kMacWebContentsOcclusion;
+
+// Experiment features.
+const base::FeatureParam<bool> kEnhancedWindowOcclusionDetection{
+ &kMacWebContentsOcclusion, "EnhancedWindowOcclusionDetection", false};
+
namespace {
NSString* const kWindowDidChangePositionInWindowList =
@@ -127,7 +133,8 @@ - (void)dealloc {
- (BOOL)isManualOcclusionDetectionEnabled {
return [WebContentsOcclusionCheckerMac
- manualOcclusionDetectionSupportedForCurrentMacOSVersion];
+ manualOcclusionDetectionSupportedForCurrentMacOSVersion] &&
+ kEnhancedWindowOcclusionDetection.Get();
}
// Alternative implementation of orderWindow:relativeTo:. Replaces
diff --git a/content/app_shim_remote_cocoa/web_contents_view_cocoa.mm b/content/app_shim_remote_cocoa/web_contents_view_cocoa.mm
index 2991489fae8a4eecad97b1ecb2271f096d9a9229..6c735286bf901fc7ff3872830d83fe119dd3bd33 100644
index 2991489fae8a4eecad97b1ecb2271f096d9a9229..93b7aa620ad1da250ac06e3383ca689732de12cd 100644
--- a/content/app_shim_remote_cocoa/web_contents_view_cocoa.mm
+++ b/content/app_shim_remote_cocoa/web_contents_view_cocoa.mm
@@ -126,13 +126,11 @@ @implementation WebContentsViewCocoa {
@@ -29,6 +29,7 @@
#include "ui/resources/grit/ui_resources.h"
using content::DropData;
+using features::kMacWebContentsOcclusion;
using remote_cocoa::mojom::DraggingInfo;
using remote_cocoa::mojom::SelectionDirection;
@@ -126,12 +127,15 @@ @implementation WebContentsViewCocoa {
gfx::Rect _windowControlsOverlayRect;
@ -29,15 +77,25 @@ index 2991489fae8a4eecad97b1ecb2271f096d9a9229..6c735286bf901fc7ff3872830d83fe11
BOOL _willSetWebContentsOccludedAfterDelay;
}
-+ (void)initialize {
+ (void)initialize {
- // Create the WebContentsOcclusionCheckerMac shared instance.
- [WebContentsOcclusionCheckerMac sharedInstance];
-}
++ (void)initialize { }
+ if (base::FeatureList::IsEnabled(kMacWebContentsOcclusion)) {
+ // Create the WebContentsOcclusionCheckerMac shared instance.
+ [WebContentsOcclusionCheckerMac sharedInstance];
+ }
}
- (instancetype)initWithViewsHostableView:(ui::ViewsHostableView*)v {
self = [super initWithFrame:NSZeroRect tracking:YES];
@@ -487,6 +485,20 @@ - (void)updateWebContentsVisibility {
@@ -442,6 +446,7 @@ - (void)updateWebContentsVisibility:
(remote_cocoa::mojom::Visibility)visibility {
using remote_cocoa::mojom::Visibility;
+ DCHECK(base::FeatureList::IsEnabled(kMacWebContentsOcclusion));
if (!_host)
return;
@@ -487,6 +492,20 @@ - (void)updateWebContentsVisibility {
[self updateWebContentsVisibility:visibility];
}
@ -58,10 +116,29 @@ index 2991489fae8a4eecad97b1ecb2271f096d9a9229..6c735286bf901fc7ff3872830d83fe11
- (void)resizeSubviewsWithOldSize:(NSSize)oldBoundsSize {
// Subviews do not participate in auto layout unless the the size this view
// changes. This allows RenderWidgetHostViewMac::SetBounds(..) to select a
@@ -509,11 +521,20 @@ - (void)viewWillMoveToWindow:(NSWindow*)newWindow {
@@ -509,11 +528,39 @@ - (void)viewWillMoveToWindow:(NSWindow*)newWindow {
NSWindow* oldWindow = [self window];
+ if (base::FeatureList::IsEnabled(kMacWebContentsOcclusion)) {
+ if (oldWindow) {
+ [notificationCenter
+ removeObserver:self
+ name:NSWindowDidChangeOcclusionStateNotification
+ object:oldWindow];
+ }
+
+ if (newWindow) {
+ [notificationCenter
+ addObserver:self
+ selector:@selector(windowChangedOcclusionState:)
+ name:NSWindowDidChangeOcclusionStateNotification
+ object:newWindow];
+ }
+
+ return;
+ }
+
+ _inFullScreenTransition = NO;
if (oldWindow) {
- [notificationCenter
@ -83,7 +160,7 @@ index 2991489fae8a4eecad97b1ecb2271f096d9a9229..6c735286bf901fc7ff3872830d83fe11
}
if (newWindow) {
@@ -521,27 +542,49 @@ - (void)viewWillMoveToWindow:(NSWindow*)newWindow {
@@ -521,26 +568,66 @@ - (void)viewWillMoveToWindow:(NSWindow*)newWindow {
selector:@selector(windowChangedOcclusionState:)
name:NSWindowDidChangeOcclusionStateNotification
object:newWindow];
@ -114,7 +191,10 @@ index 2991489fae8a4eecad97b1ecb2271f096d9a9229..6c735286bf901fc7ff3872830d83fe11
- NSString* occlusionCheckerKey = [WebContentsOcclusionCheckerMac className];
- if (userInfo[occlusionCheckerKey] != nil)
- [self updateWebContentsVisibility];
+ [self legacyUpdateWebContentsVisibility];
+ if (!base::FeatureList::IsEnabled(kMacWebContentsOcclusion)) {
+ [self legacyUpdateWebContentsVisibility];
+ return;
+ }
+}
+
+- (void)fullscreenTransitionStarted:(NSNotification*)notification {
@ -126,18 +206,62 @@ index 2991489fae8a4eecad97b1ecb2271f096d9a9229..6c735286bf901fc7ff3872830d83fe11
}
- (void)viewDidMoveToWindow {
- [self updateWebContentsVisibility];
+ [self legacyUpdateWebContentsVisibility];
+ if (!base::FeatureList::IsEnabled(kMacWebContentsOcclusion)) {
+ [self legacyUpdateWebContentsVisibility];
+ return;
+ }
+
[self updateWebContentsVisibility];
}
- (void)viewDidHide {
- [self updateWebContentsVisibility];
+ [self legacyUpdateWebContentsVisibility];
+ if (!base::FeatureList::IsEnabled(kMacWebContentsOcclusion)) {
+ [self legacyUpdateWebContentsVisibility];
+ return;
+ }
+
[self updateWebContentsVisibility];
}
- (void)viewDidUnhide {
- [self updateWebContentsVisibility];
+ [self legacyUpdateWebContentsVisibility];
+ if (!base::FeatureList::IsEnabled(kMacWebContentsOcclusion)) {
+ [self legacyUpdateWebContentsVisibility];
+ return;
+ }
+
[self updateWebContentsVisibility];
}
// ViewsHostable protocol implementation.
diff --git a/content/common/features.cc b/content/common/features.cc
index be5847985950e9136fc975fdbc021308f48f41b5..a5062c8fb5c5d9f1427819131b71ad6896e9d1df 100644
--- a/content/common/features.cc
+++ b/content/common/features.cc
@@ -262,6 +262,14 @@ BASE_FEATURE(kIOSurfaceCapturer,
base::FEATURE_ENABLED_BY_DEFAULT);
#endif
+// Feature that controls whether WebContentsOcclusionChecker should handle
+// occlusion notifications.
+#if BUILDFLAG(IS_MAC)
+BASE_FEATURE(kMacWebContentsOcclusion,
+ "MacWebContentsOcclusion",
+ base::FEATURE_ENABLED_BY_DEFAULT);
+#endif
+
// If this feature is enabled, media-device enumerations use a cache that is
// invalidated upon notifications sent by base::SystemMonitor. If disabled, the
// cache is considered invalid on every enumeration request.
diff --git a/content/common/features.h b/content/common/features.h
index 06562dd07ac4f1cad1011d99aed6c09958044486..9748070bc26f8314faec99afdb20a5d91bc9dde2 100644
--- a/content/common/features.h
+++ b/content/common/features.h
@@ -68,6 +68,9 @@ CONTENT_EXPORT BASE_DECLARE_FEATURE(kInterestGroupUpdateIfOlderThan);
#if BUILDFLAG(IS_MAC)
CONTENT_EXPORT BASE_DECLARE_FEATURE(kIOSurfaceCapturer);
#endif
+#if BUILDFLAG(IS_MAC)
+CONTENT_EXPORT BASE_DECLARE_FEATURE(kMacWebContentsOcclusion);
+#endif
CONTENT_EXPORT BASE_DECLARE_FEATURE(kMediaDevicesSystemMonitorCache);
CONTENT_EXPORT BASE_DECLARE_FEATURE(kMediaStreamTrackTransfer);
CONTENT_EXPORT BASE_DECLARE_FEATURE(kMojoDedicatedThread);

View file

@ -11,6 +11,7 @@
#include "base/feature_list.h"
#include "base/metrics/field_trial.h"
#include "components/spellcheck/common/spellcheck_features.h"
#include "content/common/features.h"
#include "content/public/common/content_features.h"
#include "electron/buildflags/buildflags.h"
#include "media/base/media_switches.h"
@ -48,6 +49,13 @@ void InitializeFeatureList() {
std::string(",") + spellcheck::kWinDelaySpellcheckServiceInit.name;
#endif
#if BUILDFLAG(IS_MAC)
disable_features +=
// MacWebContentsOcclusion is causing some odd visibility
// issues with multiple web contents
std::string(",") + features::kMacWebContentsOcclusion.name;
#endif
#if BUILDFLAG(ENABLE_PDF_VIEWER)
// Enable window.showSaveFilePicker api for saving pdf files.
// Refs https://issues.chromium.org/issues/373852607