Support basic immutable CSSOM

components/script/dom/cssfontfacerule.rs

@@ -0,0 +1,50 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::codegen::Bindings::CSSFontFaceRuleBinding;
+use dom::bindings::js::Root;
+use dom::bindings::reflector::reflect_dom_object;
+use dom::bindings::str::DOMString;
+use dom::cssrule::{CSSRule, SpecificCSSRule};
+use dom::cssstylesheet::CSSStyleSheet;
+use dom::window::Window;
+use parking_lot::RwLock;
+use std::sync::Arc;
+use style::font_face::FontFaceRule;
+
+#[dom_struct]
+pub struct CSSFontFaceRule {
+    cssrule: CSSRule,
+    #[ignore_heap_size_of = "Arc"]
+    fontfacerule: Arc<RwLock<FontFaceRule>>,
+}
+
+impl CSSFontFaceRule {
+    fn new_inherited(parent: &CSSStyleSheet, fontfacerule: Arc<RwLock<FontFaceRule>>) -> CSSFontFaceRule {
+        CSSFontFaceRule {
+            cssrule: CSSRule::new_inherited(parent),
+            fontfacerule: fontfacerule,
+        }
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(window: &Window, parent: &CSSStyleSheet,
+               fontfacerule: Arc<RwLock<FontFaceRule>>) -> Root<CSSFontFaceRule> {
+        reflect_dom_object(box CSSFontFaceRule::new_inherited(parent, fontfacerule),
+                           window,
+                           CSSFontFaceRuleBinding::Wrap)
+    }
+}
+
+impl SpecificCSSRule for CSSFontFaceRule {
+    fn ty(&self) -> u16 {
+        use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
+        CSSRuleConstants::FONT_FACE_RULE
+    }
+
+    fn get_css(&self) -> DOMString {
+        // self.fontfacerule.read().to_css_string().into()
+        "".into()
+    }
+}

components/script/dom/cssgroupingrule.rs

@@ -0,0 +1,30 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::codegen::Bindings::CSSGroupingRuleBinding;
+use dom::bindings::js::Root;
+use dom::bindings::reflector::reflect_dom_object;
+use dom::cssrule::CSSRule;
+use dom::cssstylesheet::CSSStyleSheet;
+use dom::window::Window;
+
+#[dom_struct]
+pub struct CSSGroupingRule {
+    cssrule: CSSRule,
+}
+
+impl CSSGroupingRule {
+    pub fn new_inherited(parent: &CSSStyleSheet) -> CSSGroupingRule {
+        CSSGroupingRule {
+            cssrule: CSSRule::new_inherited(parent),
+        }
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(window: &Window, parent: &CSSStyleSheet) -> Root<CSSGroupingRule> {
+        reflect_dom_object(box CSSGroupingRule::new_inherited(parent),
+                           window,
+                           CSSGroupingRuleBinding::Wrap)
+    }
+}

components/script/dom/csskeyframesrule.rs

@@ -0,0 +1,50 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::codegen::Bindings::CSSKeyframesRuleBinding;
+use dom::bindings::js::Root;
+use dom::bindings::reflector::reflect_dom_object;
+use dom::bindings::str::DOMString;
+use dom::cssrule::{CSSRule, SpecificCSSRule};
+use dom::cssstylesheet::CSSStyleSheet;
+use dom::window::Window;
+use parking_lot::RwLock;
+use std::sync::Arc;
+use style::stylesheets::KeyframesRule;
+
+#[dom_struct]
+pub struct CSSKeyframesRule {
+    cssrule: CSSRule,
+    #[ignore_heap_size_of = "Arc"]
+    keyframesrule: Arc<RwLock<KeyframesRule>>,
+}
+
+impl CSSKeyframesRule {
+    fn new_inherited(parent: &CSSStyleSheet, keyframesrule: Arc<RwLock<KeyframesRule>>) -> CSSKeyframesRule {
+        CSSKeyframesRule {
+            cssrule: CSSRule::new_inherited(parent),
+            keyframesrule: keyframesrule,
+        }
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(window: &Window, parent: &CSSStyleSheet,
+               keyframesrule: Arc<RwLock<KeyframesRule>>) -> Root<CSSKeyframesRule> {
+        reflect_dom_object(box CSSKeyframesRule::new_inherited(parent, keyframesrule),
+                           window,
+                           CSSKeyframesRuleBinding::Wrap)
+    }
+}
+
+impl SpecificCSSRule for CSSKeyframesRule {
+    fn ty(&self) -> u16 {
+        use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
+        CSSRuleConstants::KEYFRAMES_RULE
+    }
+
+    fn get_css(&self) -> DOMString {
+        // self.keyframesrule.read().to_css_string().into()
+        "".into()
+    }
+}

components/script/dom/cssmediarule.rs

@@ -0,0 +1,51 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::codegen::Bindings::CSSMediaRuleBinding;
+use dom::bindings::js::Root;
+use dom::bindings::reflector::reflect_dom_object;
+use dom::bindings::str::DOMString;
+use dom::cssgroupingrule::CSSGroupingRule;
+use dom::cssrule::SpecificCSSRule;
+use dom::cssstylesheet::CSSStyleSheet;
+use dom::window::Window;
+use parking_lot::RwLock;
+use std::sync::Arc;
+use style::stylesheets::MediaRule;
+
+#[dom_struct]
+pub struct CSSMediaRule {
+    cssrule: CSSGroupingRule,
+    #[ignore_heap_size_of = "Arc"]
+    mediarule: Arc<RwLock<MediaRule>>,
+}
+
+impl CSSMediaRule {
+    fn new_inherited(parent: &CSSStyleSheet, mediarule: Arc<RwLock<MediaRule>>) -> CSSMediaRule {
+        CSSMediaRule {
+            cssrule: CSSGroupingRule::new_inherited(parent),
+            mediarule: mediarule,
+        }
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(window: &Window, parent: &CSSStyleSheet,
+               mediarule: Arc<RwLock<MediaRule>>) -> Root<CSSMediaRule> {
+        reflect_dom_object(box CSSMediaRule::new_inherited(parent, mediarule),
+                           window,
+                           CSSMediaRuleBinding::Wrap)
+    }
+}
+
+impl SpecificCSSRule for CSSMediaRule {
+    fn ty(&self) -> u16 {
+        use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
+        CSSRuleConstants::MEDIA_RULE
+    }
+
+    fn get_css(&self) -> DOMString {
+        // self.mediarule.read().to_css_string().into()
+        "".into()
+    }
+}

components/script/dom/cssnamespacerule.rs

@@ -0,0 +1,50 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::codegen::Bindings::CSSNamespaceRuleBinding;
+use dom::bindings::js::Root;
+use dom::bindings::reflector::reflect_dom_object;
+use dom::bindings::str::DOMString;
+use dom::cssrule::{CSSRule, SpecificCSSRule};
+use dom::cssstylesheet::CSSStyleSheet;
+use dom::window::Window;
+use parking_lot::RwLock;
+use std::sync::Arc;
+use style::stylesheets::NamespaceRule;
+
+#[dom_struct]
+pub struct CSSNamespaceRule {
+    cssrule: CSSRule,
+    #[ignore_heap_size_of = "Arc"]
+    namespacerule: Arc<RwLock<NamespaceRule>>,
+}
+
+impl CSSNamespaceRule {
+    fn new_inherited(parent: &CSSStyleSheet, namespacerule: Arc<RwLock<NamespaceRule>>) -> CSSNamespaceRule {
+        CSSNamespaceRule {
+            cssrule: CSSRule::new_inherited(parent),
+            namespacerule: namespacerule,
+        }
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(window: &Window, parent: &CSSStyleSheet,
+               namespacerule: Arc<RwLock<NamespaceRule>>) -> Root<CSSNamespaceRule> {
+        reflect_dom_object(box CSSNamespaceRule::new_inherited(parent, namespacerule),
+                           window,
+                           CSSNamespaceRuleBinding::Wrap)
+    }
+}
+
+impl SpecificCSSRule for CSSNamespaceRule {
+    fn ty(&self) -> u16 {
+        use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleConstants;
+        CSSRuleConstants::NAMESPACE_RULE
+    }
+
+    fn get_css(&self) -> DOMString {
+        // self.namespacerule.read().to_css_string().into()
+        "".into()
+    }
+}

components/script/dom/cssrule.rs

@@ -0,0 +1,103 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use dom::bindings::codegen::Bindings::CSSRuleBinding;
+use dom::bindings::codegen::Bindings::CSSRuleBinding::CSSRuleMethods;
+use dom::bindings::inheritance::Castable;
+use dom::bindings::js::{JS, MutNullableHeap, Root};
+use dom::bindings::reflector::{Reflector, reflect_dom_object};
+use dom::bindings::str::DOMString;
+use dom::cssfontfacerule::CSSFontFaceRule;
+use dom::csskeyframesrule::CSSKeyframesRule;
+use dom::cssmediarule::CSSMediaRule;
+use dom::cssnamespacerule::CSSNamespaceRule;
+use dom::cssstylerule::CSSStyleRule;
+use dom::cssstylesheet::CSSStyleSheet;
+use dom::cssviewportrule::CSSViewportRule;
+use dom::window::Window;
+use style::stylesheets::CssRule as StyleCssRule;
+
+
+#[dom_struct]
+pub struct CSSRule {
+    reflector_: Reflector,
+    parent: MutNullableHeap<JS<CSSStyleSheet>>,
+}
+
+impl CSSRule {
+    #[allow(unrooted_must_root)]
+    pub fn new_inherited(parent: &CSSStyleSheet) -> CSSRule {
+        CSSRule {
+            reflector_: Reflector::new(),
+            parent: MutNullableHeap::new(Some(parent)),
+        }
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(window: &Window, parent: &CSSStyleSheet) -> Root<CSSRule> {
+        reflect_dom_object(box CSSRule::new_inherited(parent),
+                           window,
+                           CSSRuleBinding::Wrap)
+    }
+
+    pub fn as_specific(&self) -> &SpecificCSSRule {
+        if let Some(rule) = self.downcast::<CSSStyleRule>() {
+            rule as &SpecificCSSRule
+        } else if let Some(rule) = self.downcast::<CSSFontFaceRule>() {
+            rule as &SpecificCSSRule
+        } else if let Some(rule) = self.downcast::<CSSKeyframesRule>() {
+            rule as &SpecificCSSRule
+        } else if let Some(rule) = self.downcast::<CSSMediaRule>() {
+            rule as &SpecificCSSRule
+        } else if let Some(rule) = self.downcast::<CSSNamespaceRule>() {
+            rule as &SpecificCSSRule
+        } else if let Some(rule) = self.downcast::<CSSViewportRule>() {
+            rule as &SpecificCSSRule
+        } else {
+            unreachable!()
+        }
+    }
+
+    // Given a StyleCssRule, create a new instance of a derived class of
+    // CSSRule based on which rule it is
+    pub fn new_specific(window: &Window, parent: &CSSStyleSheet,
+                        rule: StyleCssRule) -> Root<CSSRule> {
+        // be sure to update the match in as_specific when this is updated
+        match rule {
+            StyleCssRule::Style(s) => Root::upcast(CSSStyleRule::new(window, parent, s)),
+            StyleCssRule::FontFace(s) => Root::upcast(CSSFontFaceRule::new(window, parent, s)),
+            StyleCssRule::Keyframes(s) => Root::upcast(CSSKeyframesRule::new(window, parent, s)),
+            StyleCssRule::Media(s) => Root::upcast(CSSMediaRule::new(window, parent, s)),
+            StyleCssRule::Namespace(s) => Root::upcast(CSSNamespaceRule::new(window, parent, s)),
+            StyleCssRule::Viewport(s) => Root::upcast(CSSViewportRule::new(window, parent, s)),
+        }
+    }
+}
+
+impl CSSRuleMethods for CSSRule {
+    // https://drafts.csswg.org/cssom/#dom-cssrule-type
+    fn Type(&self) -> u16 {
+        self.as_specific().ty()
+    }
+
+    // https://drafts.csswg.org/cssom/#dom-cssrule-parentstylesheet
+    fn GetParentStyleSheet(&self) -> Option<Root<CSSStyleSheet>> {
+        self.parent.get()
+    }
+
+    // https://drafts.csswg.org/cssom/#dom-cssrule-csstext
+    fn CssText(&self) -> DOMString {
+        self.as_specific().get_css()
+    }
+
+    // https://drafts.csswg.org/cssom/#dom-cssrule-csstext
+    fn SetCssText(&self, _: DOMString) {
+        // do nothing
+    }
+}
+
+pub trait SpecificCSSRule {
+    fn ty(&self) -> u16;
+    fn get_css(&self) -> DOMString;
+}