Add API to get and set screen-supports-HDR setting

Author: magomez

Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml

@@ -6397,6 +6397,19 @@ ScreenOrientationLockingAPIEnabled:
     WebCore:
       default: false
 
+ScreenSupportsHDR:
+  type: bool
+  status: embedder
+  humanReadableName: "Screen supports HDR"
+  humanReadableDescription: "Screen supports HDR"
+  defaultValue:
+    WebKitLegacy:
+      default: false
+    WebKit:
+      default: false
+    WebCore:
+      default: false
+
 ScreenTimeEnabled:
   type: bool
   status: internal

Source/WebCore/platform/PlatformScreen.h

@@ -97,7 +97,7 @@ WEBCORE_EXPORT DynamicRangeMode preferredDynamicRangeMode(Widget* = nullptr);
 constexpr DynamicRangeMode preferredDynamicRangeMode(Widget* = nullptr) { return DynamicRangeMode::Standard; }
 #endif
 
-#if PLATFORM(MAC) || PLATFORM(IOS_FAMILY)
+#if PLATFORM(MAC) || PLATFORM(IOS_FAMILY) || PLATFORM(WPE)
 WEBCORE_EXPORT bool screenSupportsHighDynamicRange(Widget* = nullptr);
 #else
 constexpr bool screenSupportsHighDynamicRange(Widget* = nullptr) { return false; }

Source/WebCore/platform/wpe/PlatformScreenWPE.cpp

@@ -28,9 +28,12 @@
 
 #include "DestinationColorSpace.h"
 #include "FloatRect.h"
+#include "Frame.h"
+#include "FrameView.h"
 #include "HostWindow.h"
 #include "LocalFrameView.h"
 #include "NotImplemented.h"
+#include "Settings.h"
 #include "ScreenProperties.h"
 #include "Widget.h"
 
@@ -150,4 +153,11 @@ bool screenSupportsExtendedColor(Widget*)
     return false;
 }
 
+bool screenSupportsHighDynamicRange(Widget* widget)
+{
+    if(!widget || !widget->root())
+        return false;
+
+    return widget->root()->frame().settings().screenSupportsHDR();
+}
 } // namespace WebCore

Source/WebKit/UIProcess/API/glib/WebKitSettings.cpp

@@ -196,6 +196,7 @@ enum {
     PROP_ALLOW_DISPLAY_OF_INSECURE_CONTENT,
     PROP_ENABLE_SERVICE_WORKER,
     PROP_ENABLE_ICE_CANDIDATE_FILTERING,
+    PROP_SCREEN_SUPPORTS_HDR,
     N_PROPERTIES,
 };
 
@@ -447,6 +448,9 @@ ALLOW_DEPRECATED_DECLARATIONS_BEGIN
     case PROP_ENABLE_ICE_CANDIDATE_FILTERING:
         webkit_settings_set_enable_ice_candidate_filtering(settings, g_value_get_boolean(value));
         break;
+    case PROP_SCREEN_SUPPORTS_HDR:
+        webkit_settings_set_screen_supports_hdr(settings, g_value_get_boolean(value));
+        break;
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propId, paramSpec);
         break;
@@ -682,6 +686,9 @@ ALLOW_DEPRECATED_DECLARATIONS_BEGIN
     case PROP_ENABLE_ICE_CANDIDATE_FILTERING:
         g_value_set_boolean(value, webkit_settings_get_enable_ice_candidate_filtering(settings));
         break;
+    case PROP_SCREEN_SUPPORTS_HDR:
+        g_value_set_boolean(value, webkit_settings_get_screen_supports_hdr(settings));
+        break;
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propId, paramSpec);
         break;
@@ -1855,6 +1862,19 @@ static void webkit_settings_class_init(WebKitSettingsClass* klass)
         TRUE,
         readWriteConstructParamFlags);
 
+     /**
+     * WebKitSettings:screen-supports-hdr:
+     *
+     * Screen supports HDR.
+     *
+     */
+    sObjProperties[PROP_SCREEN_SUPPORTS_HDR] = g_param_spec_boolean(
+        "screen-supports-hdr",
+        _("Screen supports HDR"),
+        _("Does screen support HDR."),
+        FALSE,
+        readWriteConstructParamFlags);
+
     g_object_class_install_properties(gObjectClass, N_PROPERTIES, sObjProperties.data());
 }
 
@@ -4851,3 +4871,40 @@ void webkit_settings_set_enable_non_composited_webgl(WebKitSettings* settings, g
 {
     g_return_if_fail(WEBKIT_IS_SETTINGS(settings));
 }
+
+/**
+ * webkit_settings_get_screen_supports_hdr:
+ * @settings: a #WebKitSettings
+ *
+ * Get the [property@Settings:screen-supports-hdr] property.
+ *
+ * Returns: Screen supports HDR, or FALSE if un-set.
+ *
+ */
+gboolean
+webkit_settings_get_screen_supports_hdr(WebKitSettings* settings)
+{
+    g_return_val_if_fail(WEBKIT_IS_SETTINGS(settings), FALSE);
+    return settings->priv->preferences->screenSupportsHDR();
+}
+
+/**
+ * webkit_settings_set_screen_supports_hdr:
+ * @settings: a #WebKitSettings
+ * @screenSupportsHDR: Value to be set
+ *
+ * Set the [property@Settings:screen-supports-hdr] property.
+ *
+ */
+void
+webkit_settings_set_screen_supports_hdr(WebKitSettings* settings, gboolean screenSupportsHDR)
+{
+    g_return_if_fail(WEBKIT_IS_SETTINGS(settings));
+    WebKitSettingsPrivate* priv = settings->priv;
+    bool currentValue = priv->preferences->screenSupportsHDR();
+    if (currentValue == screenSupportsHDR)
+        return;
+
+    priv->preferences->setScreenSupportsHDR(screenSupportsHDR);
+    g_object_notify_by_pspec(G_OBJECT(settings), sObjProperties[PROP_SCREEN_SUPPORTS_HDR]);
+}

Source/WebKit/UIProcess/API/glib/WebKitSettings.h.in

@@ -636,6 +636,13 @@ WEBKIT_API void
 webkit_settings_set_enable_non_composited_webgl                (WebKitSettings *settings,
                                                                 gboolean        enabled);
 
+WEBKIT_API gboolean
+webkit_settings_get_screen_supports_hdr                        (WebKitSettings* settings);
+
+WEBKIT_API void
+webkit_settings_set_screen_supports_hdr                        (WebKitSettings* settings,
+                                                                gboolean        screenSupportsHDR);
+
 G_END_DECLS
 
 #endif /* WebKitSettings_h */