91 lines
3.5 KiB
Diff
91 lines
3.5 KiB
Diff
diff --git ui/gtk/gtk_ui.cc ui/gtk/gtk_ui.cc
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index ab8f0d6b545b2..c4bd035f1cec4 100644
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--- ui/gtk/gtk_ui.cc
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+++ ui/gtk/gtk_ui.cc
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@@ -26,6 +26,7 @@
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#include "base/numerics/safe_conversions.h"
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#include "base/observer_list.h"
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#include "base/strings/string_split.h"
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+#include "cef/libcef/features/features.h"
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#include "chrome/browser/themes/theme_properties.h" // nogncheck
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#include "third_party/skia/include/core/SkBitmap.h"
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#include "third_party/skia/include/core/SkColor.h"
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@@ -238,10 +239,15 @@ bool GtkUi::Initialize() {
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};
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GtkSettings* settings = gtk_settings_get_default();
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+ // Disable GTK theme change notifications because they are extremely slow.
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+ // Light/dark theme changes will still be detected via DarkModeManagerLinux.
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+ // See https://issues.chromium.org/issues/40280130#comment7
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+#if !BUILDFLAG(ENABLE_CEF)
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connect(settings, "notify::gtk-theme-name", &GtkUi::OnThemeChanged);
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connect(settings, "notify::gtk-icon-theme-name", &GtkUi::OnThemeChanged);
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connect(settings, "notify::gtk-application-prefer-dark-theme",
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&GtkUi::OnThemeChanged);
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+#endif
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connect(settings, "notify::gtk-cursor-theme-name",
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&GtkUi::OnCursorThemeNameChanged);
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connect(settings, "notify::gtk-cursor-theme-size",
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diff --git ui/ozone/platform/x11/ozone_platform_x11.cc ui/ozone/platform/x11/ozone_platform_x11.cc
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index 417f9f92d4307..388510591d913 100644
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--- ui/ozone/platform/x11/ozone_platform_x11.cc
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+++ ui/ozone/platform/x11/ozone_platform_x11.cc
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@@ -64,6 +64,8 @@ namespace ui {
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namespace {
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+bool g_multi_threaded_message_loop = false;
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+
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// Singleton OzonePlatform implementation for X11 platform.
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class OzonePlatformX11 : public OzonePlatform,
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public OSExchangeDataProviderFactoryOzone {
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@@ -261,7 +263,15 @@ class OzonePlatformX11 : public OzonePlatform,
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TouchFactory::SetTouchDeviceListFromCommandLine();
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#if BUILDFLAG(USE_GTK)
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- linux_ui_delegate_ = std::make_unique<LinuxUiDelegateX11>();
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+ // Not creating the LinuxUiDelegateX11 will disable creation of GtkUi
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+ // (interface to GTK desktop features) and cause ui::GetDefaultLinuxUi()
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+ // (and related functions) to return nullptr. We can't use GtkUi in
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+ // combination with multi-threaded-message-loop because Chromium's GTK
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+ // implementation doesn't use GDK threads. Light/dark theme changes will
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+ // still be detected via DarkModeManagerLinux.
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+ if (!g_multi_threaded_message_loop) {
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+ linux_ui_delegate_ = std::make_unique<LinuxUiDelegateX11>();
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+ }
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#endif
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menu_utils_ = std::make_unique<X11MenuUtils>();
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@@ -356,4 +366,8 @@ OzonePlatform* CreateOzonePlatformX11() {
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return new OzonePlatformX11;
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}
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+void SetMultiThreadedMessageLoopX11() {
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+ g_multi_threaded_message_loop = true;
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+}
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+
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} // namespace ui
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diff --git ui/ozone/platform/x11/ozone_platform_x11.h ui/ozone/platform/x11/ozone_platform_x11.h
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index fd71ca6c81b7a..f1b7464b71e9d 100644
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--- ui/ozone/platform/x11/ozone_platform_x11.h
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+++ ui/ozone/platform/x11/ozone_platform_x11.h
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@@ -5,6 +5,8 @@
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#ifndef UI_OZONE_PLATFORM_X11_OZONE_PLATFORM_X11_H_
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#define UI_OZONE_PLATFORM_X11_OZONE_PLATFORM_X11_H_
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+#include "base/component_export.h"
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+
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namespace ui {
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class OzonePlatform;
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@@ -12,6 +14,9 @@ class OzonePlatform;
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// Constructor hook for use in ozone_platform_list.cc
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OzonePlatform* CreateOzonePlatformX11();
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+// Indicate that CEF is using multi-threaded-message-loop.
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+COMPONENT_EXPORT(OZONE) void SetMultiThreadedMessageLoopX11();
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+
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} // namespace ui
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#endif // UI_OZONE_PLATFORM_X11_OZONE_PLATFORM_X11_H_
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