Add support for 'display-mode' MQ defined in Manifest spec

Source/core/testing/InternalSettings.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 48 matching lines @@
 
 InternalSettings::Backup::Backup(Settings* settings)
     : m_originalAuthorShadowDOMForAnyElementEnabled(RuntimeEnabledFeatures::authorShadowDOMForAnyElementEnabled())
     , m_originalCSP(RuntimeEnabledFeatures::experimentalContentSecurityPolicyFeaturesEnabled())
     , m_originalOverlayScrollbarsEnabled(RuntimeEnabledFeatures::overlayScrollbarsEnabled())
     , m_originalEditingBehavior(settings->editingBehaviorType())
     , m_originalTextAutosizingEnabled(settings->textAutosizingEnabled())
     , m_originalTextAutosizingWindowSizeOverride(settings->textAutosizingWindowSizeOverride())
     , m_originalAccessibilityFontScaleFactor(settings->accessibilityFontScaleFactor())
     , m_originalMediaTypeOverride(settings->mediaTypeOverride())
+    , m_originalDisplayModeOverride(settings->displayModeOverride())
     , m_originalMockScrollbarsEnabled(settings->mockScrollbarsEnabled())
     , m_originalMockGestureTapHighlightsEnabled(settings->mockGestureTapHighlightsEnabled())
     , m_langAttributeAwareFormControlUIEnabled(RuntimeEnabledFeatures::langAttributeAwareFormControlUIEnabled())
     , m_imagesEnabled(settings->imagesEnabled())
     , m_defaultVideoPosterURL(settings->defaultVideoPosterURL())
     , m_originalLayerSquashingEnabled(settings->layerSquashingEnabled())
     , m_originalPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled(RuntimeEnabledFeatures::pseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled())
     , m_originalImageColorProfilesEnabled(RuntimeEnabledFeatures::imageColorProfilesEnabled())
     , m_originalImageAnimationPolicy(settings->imageAnimationPolicy())
 {
 }
 
 void InternalSettings::Backup::restoreTo(Settings* settings)
 {
     RuntimeEnabledFeatures::setAuthorShadowDOMForAnyElementEnabled(m_originalAuthorShadowDOMForAnyElementEnabled);
     RuntimeEnabledFeatures::setExperimentalContentSecurityPolicyFeaturesEnabled(m_originalCSP);
     RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(m_originalOverlayScrollbarsEnabled);
     settings->setEditingBehaviorType(m_originalEditingBehavior);
     settings->setTextAutosizingEnabled(m_originalTextAutosizingEnabled);
     settings->setTextAutosizingWindowSizeOverride(m_originalTextAutosizingWindowSizeOverride);
     settings->setAccessibilityFontScaleFactor(m_originalAccessibilityFontScaleFactor);
     settings->setMediaTypeOverride(m_originalMediaTypeOverride);
+    settings->setDisplayModeOverride(m_originalDisplayModeOverride);
     settings->setMockScrollbarsEnabled(m_originalMockScrollbarsEnabled);
     settings->setMockGestureTapHighlightsEnabled(m_originalMockGestureTapHighlightsEnabled);
     RuntimeEnabledFeatures::setLangAttributeAwareFormControlUIEnabled(m_langAttributeAwareFormControlUIEnabled);
     settings->setImagesEnabled(m_imagesEnabled);
     settings->setDefaultVideoPosterURL(m_defaultVideoPosterURL);
     settings->genericFontFamilySettings().reset();
     RuntimeEnabledFeatures::setPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled(m_originalPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled);
     RuntimeEnabledFeatures::setImageColorProfilesEnabled(m_originalImageColorProfilesEnabled);
     settings->setImageAnimationPolicy(m_originalImageAnimationPolicy);
 }
@@ skipping 263 matching lines @@
             pointerTypes |= PointerTypeFine;
         else if (token == "none")
             pointerTypes |= PointerTypeNone;
         else
             exceptionState.throwDOMException(SyntaxError, "The pointer type token ('" + token + ")' is invalid.");
     }
 
     settings()->setAvailablePointerTypes(pointerTypes);
 }
 
+void InternalSettings::setDisplayModeOverride(const String& displayMode, ExceptionState& exceptionState)
+{
+    InternalSettingsGuardForSettings();
+    String token = displayMode.stripWhiteSpace();
+
+    DisplayMode mode = DisplayModeBrowser;
+    if (token == "browser")
+        mode = DisplayModeBrowser;
+    else if (token == "minimal-ui")
+        mode = DisplayModeMinimalUi;
+    else if (token == "standalone")
+        mode = DisplayModeStandalone;
+    else if (token == "fullscreen")
+        mode = DisplayModeFullscreen;
+    else
+        exceptionState.throwDOMException(SyntaxError, "The display-mode token ('" + token + ")' is invalid.");
+
+    settings()->setDisplayModeOverride(mode);
+}
+
 void InternalSettings::setPrimaryPointerType(const String& pointer, ExceptionState& exceptionState)
 {
     InternalSettingsGuardForSettings();
     String token = pointer.stripWhiteSpace();
 
     PointerType type = PointerTypeNone;
     if (token == "coarse")
         type = PointerTypeCoarse;
     else if (token == "fine")
         type = PointerTypeFine;
@@ skipping 55 matching lines @@
     if (equalIgnoringCase(policy, "allowed"))
         settings()->setImageAnimationPolicy(ImageAnimationPolicyAllowed);
     else if (equalIgnoringCase(policy, "once"))
         settings()->setImageAnimationPolicy(ImageAnimationPolicyAnimateOnce);
     else if (equalIgnoringCase(policy, "none"))
         settings()->setImageAnimationPolicy(ImageAnimationPolicyNoAnimation);
     else
         exceptionState.throwDOMException(SyntaxError, "The image animation policy provided ('" + policy + "') is invalid.");
 }
 }