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electron/patches/chromium/mas_disable_remote_accessibility.patch
Samuel Attard a9ef68f126
refactor: change defined(MAS_BUILD) to IS_MAS_BUILD() (#36332) 
* refactor: change defined(MAS_BUILD) to IS_MAS_BUILD()

This is missing-definition safe and thus allows us to move the definition of this macro away from "all compilation targets" to "just the compilation targets that depend on this macro".

In turn this makes the rebuild time changing from mas <-> darwin only 80 seconds on my machine, instead of the 12-15 minutes it used to take.  This will also allow us in the future to build both MAS and darwin on the same CI machine.  Costing us ~2 minutes on one machine but saving us anywhere from 30 minutes to an hour of CI time on other parts of the matrix.

* build: always define IS_MAS_BUILD even on non-mac builds

* build: use extra_configs
2022-11-14 12:46:52 -08:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Thu, 20 Sep 2018 17:48:49 -0700
Subject: mas: avoid usage of NSAccessibilityRemoteUIElement
According to ccameron:
NSAccessibilityRemoteUIElement is unnecessary for Electron's use-case. We use it
for progressive web apps (where the AXTree is in the browser process, but macOS
needs to think it's coming from the PWA process). I think it can just be chopped
out -- if there are any side-effects, we should be able to work around them.
diff --git a/components/remote_cocoa/app_shim/application_bridge.mm b/components/remote_cocoa/app_shim/application_bridge.mm
index 89b9323c08cfed0d3ea3a0ec1beaa0bdfabe343e..69ae95eb8537bab751d27749d6cf392a8419f317 100644
--- a/components/remote_cocoa/app_shim/application_bridge.mm
+++ b/components/remote_cocoa/app_shim/application_bridge.mm
@@ -51,6 +51,7 @@
// NativeWidgetNSWindowHostHelper:
id GetNativeViewAccessible() override {
+#if !IS_MAS_BUILD()
if (!remote_accessibility_element_) {
base::ProcessId browser_pid = base::kNullProcessId;
std::vector<uint8_t> element_token;
@@ -61,6 +62,9 @@ id GetNativeViewAccessible() override {
ui::RemoteAccessibility::GetRemoteElementFromToken(element_token);
}
return remote_accessibility_element_.get();
+#else
+ return nil;
+#endif
}
void DispatchKeyEvent(ui::KeyEvent* event) override {
bool event_handled = false;
@@ -99,8 +103,10 @@ void GetWordAt(const gfx::Point& location_in_content,
mojo::AssociatedRemote<mojom::TextInputHost> text_input_host_remote_;
std::unique_ptr<NativeWidgetNSWindowBridge> bridge_;
+#if !IS_MAS_BUILD()
base::scoped_nsobject<NSAccessibilityRemoteUIElement>
remote_accessibility_element_;
+#endif
};
} // namespace
diff --git a/components/remote_cocoa/app_shim/native_widget_ns_window_bridge.mm b/components/remote_cocoa/app_shim/native_widget_ns_window_bridge.mm
index 1b91b71bae8201d7cae5850a8c810bd179a36ab1..f010b3565f81ecb692269d778822b31f9cbfe585 100644
--- a/components/remote_cocoa/app_shim/native_widget_ns_window_bridge.mm
+++ b/components/remote_cocoa/app_shim/native_widget_ns_window_bridge.mm
@@ -566,10 +566,12 @@ NSUInteger CountBridgedWindows(NSArray* child_windows) {
// this should be treated as an error and caught early.
CHECK(bridged_view_);
+#if !IS_MAS_BUILD()
// Send the accessibility tokens for the NSView now that it exists.
host_->SetRemoteAccessibilityTokens(
ui::RemoteAccessibility::GetTokenForLocalElement(window_),
ui::RemoteAccessibility::GetTokenForLocalElement(bridged_view_));
+#endif
// Beware: This view was briefly removed (in favor of a bare CALayer) in
// crrev/c/1236675. The ordering of unassociated layers relative to NSView
diff --git a/content/app_shim_remote_cocoa/ns_view_bridge_factory_impl.mm b/content/app_shim_remote_cocoa/ns_view_bridge_factory_impl.mm
index abd19b8613e52a6f4c9404f509ab7ed5a61046a6..8c69b989882084946bb821e1d64d75657f17ab26 100644
--- a/content/app_shim_remote_cocoa/ns_view_bridge_factory_impl.mm
+++ b/content/app_shim_remote_cocoa/ns_view_bridge_factory_impl.mm
@@ -77,6 +77,7 @@ explicit RenderWidgetHostNSViewBridgeOwner(
// RenderWidgetHostNSViewHostHelper implementation.
id GetAccessibilityElement() override {
+#if !IS_MAS_BUILD()
if (!remote_accessibility_element_) {
base::ProcessId browser_pid = base::kNullProcessId;
std::vector<uint8_t> element_token;
@@ -87,6 +88,9 @@ id GetAccessibilityElement() override {
ui::RemoteAccessibility::GetRemoteElementFromToken(element_token);
}
return remote_accessibility_element_.get();
+#else
+ return nil;
+#endif
}
id GetRootBrowserAccessibilityElement() override {
@@ -100,8 +104,10 @@ id GetFocusedBrowserAccessibilityElement() override {
return nil;
}
void SetAccessibilityWindow(NSWindow* window) override {
+#if !IS_MAS_BUILD()
host_->SetRemoteAccessibilityWindowToken(
ui::RemoteAccessibility::GetTokenForLocalElement(window));
+#endif
}
void ForwardKeyboardEvent(const content::NativeWebKeyboardEvent& key_event,
@@ -163,8 +169,10 @@ void SmartMagnify(const blink::WebGestureEvent& web_event) override {
mojo::AssociatedRemote<mojom::RenderWidgetHostNSViewHost> host_;
std::unique_ptr<RenderWidgetHostNSViewBridge> bridge_;
+#if !IS_MAS_BUILD()
base::scoped_nsobject<NSAccessibilityRemoteUIElement>
remote_accessibility_element_;
+#endif
};
}
diff --git a/content/browser/accessibility/browser_accessibility_manager_mac.mm b/content/browser/accessibility/browser_accessibility_manager_mac.mm
index 67473b500bc8305bc21ec0324001ea5a64612aee..859e45bd6f4f130947e0718e32fea4abe8fe3a8c 100644
--- a/content/browser/accessibility/browser_accessibility_manager_mac.mm
+++ b/content/browser/accessibility/browser_accessibility_manager_mac.mm
@@ -22,7 +22,9 @@
#include "ui/accelerated_widget_mac/accelerated_widget_mac.h"
#include "ui/accessibility/ax_role_properties.h"
#include "ui/accessibility/platform/ax_private_webkit_constants_mac.h"
+#if !IS_MAS_BUILD()
#include "ui/base/cocoa/remote_accessibility_api.h"
+#endif
namespace {
@@ -621,6 +623,7 @@ void PostAnnouncementNotification(NSString* announcement) {
if ([NSApp isActive])
return window == [NSApp accessibilityFocusedWindow];
+#if !IS_MAS_BUILD()
// TODO(accessibility): We need a solution to the problem described below.
// If the window is NSAccessibilityRemoteUIElement, there are some challenges:
// 1. NSApp is the browser which spawned the PWA, and what it considers the
@@ -648,6 +651,7 @@ void PostAnnouncementNotification(NSString* announcement) {
// from within the app shim content.
if ([window isKindOfClass:[NSAccessibilityRemoteUIElement class]])
return true;
+#endif
return false;
}
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.h b/content/browser/renderer_host/render_widget_host_view_mac.h
index c1f2725cf74fe8845843461518a849f2cbf2c024..c9f489a8603a63dc2641fbd435c4ab1de9fafbd3 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.h
+++ b/content/browser/renderer_host/render_widget_host_view_mac.h
@@ -52,7 +52,9 @@ class ScopedPasswordInputEnabler;
@protocol RenderWidgetHostViewMacDelegate;
+#if !IS_MAS_BUILD()
@class NSAccessibilityRemoteUIElement;
+#endif
@class RenderWidgetHostViewCocoa;
namespace content {
@@ -671,10 +673,12 @@ class CONTENT_EXPORT RenderWidgetHostViewMac
// EnsureSurfaceSynchronizedForWebTest().
uint32_t latest_capture_sequence_number_ = 0u;
+#if !IS_MAS_BUILD()
// Remote accessibility objects corresponding to the NSWindow that this is
// displayed to the user in.
base::scoped_nsobject<NSAccessibilityRemoteUIElement>
remote_window_accessible_;
+#endif
// Used to force the NSApplication's focused accessibility element to be the
// content::BrowserAccessibilityCocoa accessibility tree when the NSView for
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index f2cd4583734aab9a6760f357eb6fb9ce73d96753..cc2836fb66d9cf84fa298f1d75480f2c796b274f 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -260,8 +260,10 @@
void RenderWidgetHostViewMac::MigrateNSViewBridge(
remote_cocoa::mojom::Application* remote_cocoa_application,
uint64_t parent_ns_view_id) {
+#if !IS_MAS_BUILD()
// Destroy the previous remote accessibility element.
remote_window_accessible_.reset();
+#endif
// Disconnect from the previous bridge (this will have the effect of
// destroying the associated bridge), and close the receiver (to allow it
@@ -1574,8 +1576,10 @@ void CombineTextNodesAndMakeCallback(SpeechCallback callback,
gfx::NativeViewAccessible
RenderWidgetHostViewMac::AccessibilityGetNativeViewAccessibleForWindow() {
+#if !IS_MAS_BUILD()
if (remote_window_accessible_)
return remote_window_accessible_.get();
+#endif
return [GetInProcessNSView() window];
}
@@ -1623,9 +1627,11 @@ void CombineTextNodesAndMakeCallback(SpeechCallback callback,
}
void RenderWidgetHostViewMac::SetAccessibilityWindow(NSWindow* window) {
+#if !IS_MAS_BUILD()
// When running in-process, just use the NSView's NSWindow as its own
// accessibility element.
remote_window_accessible_.reset();
+#endif
}
bool RenderWidgetHostViewMac::SyncIsWidgetForMainFrame(
@@ -2121,20 +2127,26 @@ void CombineTextNodesAndMakeCallback(SpeechCallback callback,
void RenderWidgetHostViewMac::GetRenderWidgetAccessibilityToken(
GetRenderWidgetAccessibilityTokenCallback callback) {
base::ProcessId pid = getpid();
+#if !IS_MAS_BUILD()
id element_id = GetNativeViewAccessible();
std::vector<uint8_t> token =
ui::RemoteAccessibility::GetTokenForLocalElement(element_id);
+#else
+ std::vector<uint8_t> token;
+#endif
std::move(callback).Run(pid, token);
}
void RenderWidgetHostViewMac::SetRemoteAccessibilityWindowToken(
const std::vector<uint8_t>& window_token) {
+#if !IS_MAS_BUILD()
if (window_token.empty()) {
remote_window_accessible_.reset();
} else {
remote_window_accessible_ =
ui::RemoteAccessibility::GetRemoteElementFromToken(window_token);
}
+#endif
}
///////////////////////////////////////////////////////////////////////////////
diff --git a/ui/base/BUILD.gn b/ui/base/BUILD.gn
index 52f8e4e48b4c54dc39231dc4702dc4ce9089c520..c1cc143209fbd60a34ad1d8f92c55c94f780e977 100644
--- a/ui/base/BUILD.gn
+++ b/ui/base/BUILD.gn
@@ -353,6 +353,13 @@ component("base") {
sources += [ "resource/resource_bundle_lacros.cc" ]
}
+ if (is_mas_build) {
+ sources -= [
+ "cocoa/remote_accessibility_api.h",
+ "cocoa/remote_accessibility_api.mm",
+ ]
+ }
+
if (is_ios) {
sources += [
"device_form_factor_ios.mm",
diff --git a/ui/base/cocoa/remote_accessibility_api.h b/ui/base/cocoa/remote_accessibility_api.h
index 4d47115d3f72da17b2ada8866770ac24717c29da..506d7847d904478793d992dbe548a61177644d09 100644
--- a/ui/base/cocoa/remote_accessibility_api.h
+++ b/ui/base/cocoa/remote_accessibility_api.h
@@ -11,6 +11,8 @@
#include "base/component_export.h"
#include "base/mac/scoped_nsobject.h"
+#if !IS_MAS_BUILD()
+
@interface NSAccessibilityRemoteUIElement : NSObject
+ (void)setRemoteUIApp:(BOOL)flag;
+ (void)registerRemoteUIProcessIdentifier:(int)pid;
@@ -33,4 +35,6 @@ class COMPONENT_EXPORT(UI_BASE) RemoteAccessibility {
} // namespace ui
+#endif // MAS_BUILD
+
#endif // UI_BASE_COCOA_REMOTE_ACCESSIBILITY_API_H_
diff --git a/ui/views/cocoa/native_widget_mac_ns_window_host.h b/ui/views/cocoa/native_widget_mac_ns_window_host.h
index f6d8e8847203d705aea9f581bab84c361a6164c9..4130f1bced39af36f9761613a1d1cbcddf922dd2 100644
--- a/ui/views/cocoa/native_widget_mac_ns_window_host.h
+++ b/ui/views/cocoa/native_widget_mac_ns_window_host.h
@@ -32,7 +32,9 @@
#include "ui/views/window/dialog_observer.h"
@class NativeWidgetMacNSWindow;
+#if !IS_MAS_BUILD()
@class NSAccessibilityRemoteUIElement;
+#endif
@class NSView;
namespace remote_cocoa {
@@ -463,11 +465,13 @@ class VIEWS_EXPORT NativeWidgetMacNSWindowHost
mojo::AssociatedRemote<remote_cocoa::mojom::NativeWidgetNSWindow>
remote_ns_window_remote_;
+#if !IS_MAS_BUILD()
// Remote accessibility objects corresponding to the NSWindow and its root
// NSView.
base::scoped_nsobject<NSAccessibilityRemoteUIElement>
remote_window_accessible_;
base::scoped_nsobject<NSAccessibilityRemoteUIElement> remote_view_accessible_;
+#endif
// Used to force the NSApplication's focused accessibility element to be the
// views::Views accessibility tree when the NSView for this is focused.
diff --git a/ui/views/cocoa/native_widget_mac_ns_window_host.mm b/ui/views/cocoa/native_widget_mac_ns_window_host.mm
index 020c952ea07bd67b3acefe33c73e7c1aed598fea..3bf8849e269b62d9a5a2389b2e45433b3acf8448 100644
--- a/ui/views/cocoa/native_widget_mac_ns_window_host.mm
+++ b/ui/views/cocoa/native_widget_mac_ns_window_host.mm
@@ -336,14 +336,22 @@ void HandleAccelerator(const ui::Accelerator& accelerator,
NativeWidgetMacNSWindowHost::GetNativeViewAccessibleForNSView() const {
if (in_process_ns_window_bridge_)
return in_process_ns_window_bridge_->ns_view();
+#if !IS_MAS_BUILD()
return remote_view_accessible_.get();
+#else
+ return nullptr;
+#endif
}
gfx::NativeViewAccessible
NativeWidgetMacNSWindowHost::GetNativeViewAccessibleForNSWindow() const {
if (in_process_ns_window_bridge_)
return in_process_ns_window_bridge_->ns_window();
+#if !IS_MAS_BUILD()
return remote_window_accessible_.get();
+#else
+ return nullptr;
+#endif
}
remote_cocoa::mojom::NativeWidgetNSWindow*
@@ -1328,6 +1336,7 @@ void HandleAccelerator(const ui::Accelerator& accelerator,
void NativeWidgetMacNSWindowHost::SetRemoteAccessibilityTokens(
const std::vector<uint8_t>& window_token,
const std::vector<uint8_t>& view_token) {
+#if !IS_MAS_BUILD()
remote_window_accessible_ =
ui::RemoteAccessibility::GetRemoteElementFromToken(window_token);
remote_view_accessible_ =
@@ -1336,14 +1345,17 @@ void HandleAccelerator(const ui::Accelerator& accelerator,
[remote_view_accessible_
setTopLevelUIElement:remote_window_accessible_.get()];
[NSAccessibilityRemoteUIElement setRemoteUIApp:YES];
+#endif
}
bool NativeWidgetMacNSWindowHost::GetRootViewAccessibilityToken(
base::ProcessId* pid,
std::vector<uint8_t>* token) {
+#if !IS_MAS_BUILD()
*pid = getpid();
id element_id = GetNativeViewAccessible();
*token = ui::RemoteAccessibility::GetTokenForLocalElement(element_id);
+#endif
return true;
}
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