Implement initial part of history.state

26 files changed, 130 insertions, 105 deletions

diff --git a/components/script/dom/history.rs b/components/script/dom/history.rs
index 71e8c0c7e4e..17ee0d29cb6 100644
--- a/components/script/dom/history.rs
+++ b/components/script/dom/history.rs
@@ -10,25 +10,38 @@ use dom::bindings::error::{Error, ErrorResult, Fallible};
 use dom::bindings::inheritance::Castable;
 use dom::bindings::reflector::{Reflector, reflect_dom_object};
 use dom::bindings::root::{Dom, DomRoot};
+use dom::bindings::str::{DOMString, USVString};
+use dom::bindings::structuredclone::StructuredCloneData;
 use dom::globalscope::GlobalScope;
 use dom::window::Window;
 use dom_struct::dom_struct;
 use ipc_channel::ipc;
+use js::jsapi::{HandleValue, Heap, JSContext};
+use js::jsval::{JSVal, NullValue, UndefinedValue};
 use msg::constellation_msg::TraversalDirection;
 use script_traits::ScriptMsg;
 
+enum PushOrReplace {
+    Push,
+    Replace,
+}
+
 // https://html.spec.whatwg.org/multipage/#the-history-interface
 #[dom_struct]
 pub struct History {
     reflector_: Reflector,
     window: Dom<Window>,
+    state: Heap<JSVal>,
 }
 
 impl History {
     pub fn new_inherited(window: &Window) -> History {
+        let state = Heap::default();
+        state.set(NullValue());
         History {
             reflector_: Reflector::new(),
             window: Dom::from_ref(&window),
+            state: state,
         }
     }
 
@@ -48,9 +61,68 @@ impl History {
         let _ = self.window.upcast::<GlobalScope>().script_to_constellation_chan().send(msg);
         Ok(())
     }
+
+    // https://html.spec.whatwg.org/multipage/#dom-history-pushstate
+    // https://html.spec.whatwg.org/multipage/#dom-history-replacestate
+    fn push_or_replace_state(&self,
+                             cx: *mut JSContext,
+                             data: HandleValue,
+                             _title: DOMString,
+                             _url: Option<USVString>,
+                             _push_or_replace: PushOrReplace) -> ErrorResult {
+        // Step 1
+        let document = self.window.Document();
+
+        // Step 2
+        if !document.is_fully_active() {
+            return Err(Error::Security);
+        }
+
+        // TODO: Step 3 Optionally abort these steps
+        // https://github.com/servo/servo/issues/19159
+
+        // TODO: Step 4
+
+        // Step 5
+        let serialized_data = StructuredCloneData::write(cx, data)?;
+
+        // TODO: Steps 6-7 Url Handling
+        // https://github.com/servo/servo/issues/19157
+
+        // TODO: Step 8 Push/Replace session history entry
+        // https://github.com/servo/servo/issues/19156
+
+        // TODO: Step 9 Update current entry to represent a GET request
+        // https://github.com/servo/servo/issues/19156
+
+        // TODO: Step 10 Set document's URL to new URL
+        // https://github.com/servo/servo/issues/19157
+
+        // Step 11
+        let global_scope = self.window.upcast::<GlobalScope>();
+        rooted!(in(cx) let mut state = UndefinedValue());
+        serialized_data.read(&global_scope, state.handle_mut());
+
+        // Step 12
+        self.state.set(state.get());
+
+        // TODO: Step 13 Update Document's latest entry to current entry
+        // https://github.com/servo/servo/issues/19158
+
+        Ok(())
+    }
 }
 
 impl HistoryMethods for History {
+    // https://html.spec.whatwg.org/multipage/#dom-history-state
+    #[allow(unsafe_code)]
+    unsafe fn GetState(&self, _cx: *mut JSContext) -> Fallible<JSVal> {
+        if !self.window.Document().is_fully_active() {
+            return Err(Error::Security);
+        }
+        Ok(self.state.get())
+    }
+
     // https://html.spec.whatwg.org/multipage/#dom-history-length
     fn GetLength(&self) -> Fallible<u32> {
         if !self.window.Document().is_fully_active() {
@@ -60,7 +132,7 @@ impl HistoryMethods for History {
         let msg = ScriptMsg::JointSessionHistoryLength(sender);
         let _ = self.window.upcast::<GlobalScope>().script_to_constellation_chan().send(msg);
         Ok(recv.recv().unwrap())
-}
+    }
 
     // https://html.spec.whatwg.org/multipage/#dom-history-go
     fn Go(&self, delta: i32) -> ErrorResult {
@@ -84,4 +156,24 @@ impl HistoryMethods for History {
     fn Forward(&self) -> ErrorResult {
         self.traverse_history(TraversalDirection::Forward(1))
     }
+
+    // https://html.spec.whatwg.org/multipage/#dom-history-pushstate
+    #[allow(unsafe_code)]
+    unsafe fn PushState(&self,
+                        cx: *mut JSContext,
+                        data: HandleValue,
+                        title: DOMString,
+                        url: Option<USVString>) -> ErrorResult {
+        self.push_or_replace_state(cx, data, title, url, PushOrReplace::Push)
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-history-replacestate
+    #[allow(unsafe_code)]
+    unsafe fn ReplaceState(&self,
+                           cx: *mut JSContext,
+                           data: HandleValue,
+                           title: DOMString,
+                           url: Option<USVString>) -> ErrorResult {
+        self.push_or_replace_state(cx, data, title, url, PushOrReplace::Replace)
+    }
 }
diff --git a/components/script/dom/webidls/History.webidl b/components/script/dom/webidls/History.webidl
index d5b72996182..f22b3ab882e 100644
--- a/components/script/dom/webidls/History.webidl
+++ b/components/script/dom/webidls/History.webidl
@@ -11,16 +11,16 @@ interface History {
   readonly attribute unsigned long length;
   // [Throws]
   // attribute ScrollRestoration scrollRestoration;
-  // [Throws]
-  // readonly attribute any state;
+  [Throws]
+  readonly attribute any state;
   [Throws]
   void go(optional long delta = 0);
   [Throws]
   void back();
   [Throws]
   void forward();
-  // [Throws]
-  // void pushState(any data, DOMString title, optional USVString? url = null);
-  // [Throws]
-  // void replaceState(any data, DOMString title, optional USVString? url = null);
+  [Throws]
+  void pushState(any data, DOMString title, optional USVString? url = null);
+  [Throws]
+  void replaceState(any data, DOMString title, optional USVString? url = null);
 };
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-samedoc.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-samedoc.html.ini
index 3322eb2c441..05ee8e95625 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-samedoc.html.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-fragment-scrolling-samedoc.html.ini
@@ -1,5 +1,7 @@
 [scroll-restoration-fragment-scrolling-samedoc.html]
   type: testharness
+  expected: TIMEOUT
+  bug: https://github.com/servo/servo/issues/14970
   [Manual scroll restoration should take precedent over scrolling to fragment in cross doc navigation]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-navigation-samedoc.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-navigation-samedoc.html.ini
index a83f5e92d92..f12bd68a787 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-navigation-samedoc.html.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/persisted-user-state-restoration/scroll-restoration-navigation-samedoc.html.ini
@@ -1,5 +1,7 @@
 [scroll-restoration-navigation-samedoc.html]
   type: testharness
+  expected: TIMEOUT
+  bug: https://github.com/servo/servo/issues/14970
   [history.{push,replace}State retain scroll restoration mode and navigation in the same document respects it]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/popstate_event.html.ini b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/popstate_event.html.ini
index bbe5b73b922..73a5f162254 100644
--- a/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/popstate_event.html.ini
+++ b/tests/wpt/metadata/html/browsers/browsing-the-web/history-traversal/popstate_event.html.ini
@@ -1,5 +1,7 @@
 [popstate_event.html]
   type: testharness
+  expected: TIMEOUT
+  bug: https://github.com/servo/servo/issues/19905
   [Queue a task to fire popstate event]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/005.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/005.html.ini
index 76099606688..230bbac6edb 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/005.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/005.html.ini
@@ -1,8 +1,5 @@
 [005.html]
   type: testharness
-  [history.pushState support is needed for this testcase]
-    expected: FAIL
-
   [<body onpopstate="..."> should register a listener for the popstate event]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/006.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/006.html.ini
deleted file mode 100644
index 505c9b8cf83..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/006.html.ini
+++ /dev/null
@@ -1,14 +0,0 @@
-[006.html]
-  type: testharness
-  [history.state should initially be null]
-    expected: FAIL
-
-  [history.state should still be null onload]
-    expected: FAIL
-
-  [history.state should still be null after onload]
-    expected: FAIL
-
-  [writing to history.state should be silently ignored and not throw an error]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/007.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/007.html.ini
index 5c3b95e454e..b50f240fd73 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/007.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/007.html.ini
@@ -1,14 +1,5 @@
 [007.html]
   type: testharness
-  [history.state should initially be null]
-    expected: FAIL
-
-  [history.pushState support is needed for this testcase]
-    expected: FAIL
-
-  [history.state should reflect pushed state]
-    expected: FAIL
-
   [popstate event should fire before onload fires]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/011.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/011.html.ini
index 0867b0401e0..70ac6b2b422 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/011.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/011.html.ini
@@ -1,8 +1,5 @@
 [011.html]
   type: testharness
-  [pushState should be able to set the location state]
-    expected: FAIL
-
   [pushed location should be reflected immediately]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/012.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/012.html.ini
index b153bc5f21c..6d4c74df6ee 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/012.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/012.html.ini
@@ -1,8 +1,5 @@
 [012.html]
   type: testharness
-  [replaceState should be able to set the location state]
-    expected: FAIL
-
   [replaced location should be reflected immediately]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_001.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_001.html.ini
deleted file mode 100644
index 6c1948b3884..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_001.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[combination_history_001.html]
-  type: testharness
-  [Combine pushState and replaceSate methods]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_004.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_004.html.ini
index 703bccbb334..51df5f93945 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_004.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_004.html.ini
@@ -1,5 +1,6 @@
 [combination_history_004.html]
   type: testharness
+  expected: TIMEOUT
   [After calling of back method, check length]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_005.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_005.html.ini
index 969bd2d84f1..07e75fb2f31 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_005.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_005.html.ini
@@ -1,5 +1,6 @@
 [combination_history_005.html]
   type: testharness
+  expected: TIMEOUT
   [After calling of forward method, check length]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_006.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_006.html.ini
index 416b9e58d13..74fbd209238 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_006.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_006.html.ini
@@ -1,5 +1,6 @@
 [combination_history_006.html]
   type: testharness
+  expected: TIMEOUT
   [After calling of go method, check length]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_007.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_007.html.ini
index 5db6960533d..3d6c729c91e 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_007.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/combination_history_007.html.ini
@@ -1,5 +1,6 @@
 [combination_history_007.html]
   type: testharness
+  expected: TIMEOUT
   [After calling of back and pushState method, check length]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_back.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_back.html.ini
index 5e01759025d..90019928495 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_back.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_back.html.ini
@@ -1,5 +1,6 @@
 [history_back.html]
   type: testharness
+  expected: TIMEOUT
   [history back]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_forward.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_forward.html.ini
index d3c12080dfa..ea54a7fdf97 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_forward.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_forward.html.ini
@@ -1,5 +1,6 @@
 [history_forward.html]
   type: testharness
+  expected: TIMEOUT
   [history forward]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_go_minus.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_go_minus.html.ini
index 01f21b30960..ef94a41258b 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_go_minus.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_go_minus.html.ini
@@ -1,5 +1,6 @@
 [history_go_minus.html]
   type: testharness
+  expected: TIMEOUT
   [history go minus]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_go_plus.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_go_plus.html.ini
index e2999746053..b95882d3dcd 100644
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_go_plus.html.ini
+++ b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_go_plus.html.ini
@@ -1,5 +1,6 @@
 [history_go_plus.html]
   type: testharness
+  expected: TIMEOUT
   [history go plus]
-    expected: FAIL
+    expected: TIMEOUT
 
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_pushstate.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_pushstate.html.ini
deleted file mode 100644
index d9c5e0b38af..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_pushstate.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[history_pushstate.html]
-  type: testharness
-  [history pushState]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_pushstate_nooptionalparam.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_pushstate_nooptionalparam.html.ini
deleted file mode 100644
index 40a1deb0cc3..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_pushstate_nooptionalparam.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[history_pushstate_nooptionalparam.html]
-  type: testharness
-  [history pushState NoOptionalParam]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_replacestate.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_replacestate.html.ini
deleted file mode 100644
index e2068698c0d..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_replacestate.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[history_replacestate.html]
-  type: testharness
-  [history replaceState]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_replacestate_nooptionalparam.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_replacestate_nooptionalparam.html.ini
deleted file mode 100644
index d523d0b78d0..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_replacestate_nooptionalparam.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[history_replacestate_nooptionalparam.html]
-  type: testharness
-  [history replaceStateNoOptionalParam]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_state.html.ini b/tests/wpt/metadata/html/browsers/history/the-history-interface/history_state.html.ini
deleted file mode 100644
index 2819759ee82..00000000000
--- a/tests/wpt/metadata/html/browsers/history/the-history-interface/history_state.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[history_state.html]
-  type: testharness
-  [history state]
-    expected: FAIL
-
diff --git a/tests/wpt/metadata/html/dom/interfaces.html.ini b/tests/wpt/metadata/html/dom/interfaces.html.ini
index 67ffcb48adc..10e41464e70 100644
--- a/tests/wpt/metadata/html/dom/interfaces.html.ini
+++ b/tests/wpt/metadata/html/dom/interfaces.html.ini
@@ -4455,9 +4455,6 @@
   [BarProp interface: attribute visible]
     expected: FAIL
 
-  [History interface: attribute state]
-    expected: FAIL
-
   [History interface: operation pushState(any,DOMString,DOMString)]
     expected: FAIL
 
@@ -13644,30 +13641,9 @@
   [Window interface: calling createImageBitmap(ImageBitmapSource, long, long, long, long, ImageBitmapOptions) on window with too few arguments must throw TypeError]
     expected: FAIL
 
-  [History interface: operation pushState(any, DOMString, USVString)]
-    expected: FAIL
-
-  [History interface: operation replaceState(any, DOMString, USVString)]
-    expected: FAIL
-
   [History interface: window.history must inherit property "scrollRestoration" with the proper type]
     expected: FAIL
 
-  [History interface: window.history must inherit property "state" with the proper type]
-    expected: FAIL
-
-  [History interface: window.history must inherit property "pushState(any, DOMString, USVString)" with the proper type]
-    expected: FAIL
-
-  [History interface: calling pushState(any, DOMString, USVString) on window.history with too few arguments must throw TypeError]
-    expected: FAIL
-
-  [History interface: window.history must inherit property "replaceState(any, DOMString, USVString)" with the proper type]
-    expected: FAIL
-
-  [History interface: calling replaceState(any, DOMString, USVString) on window.history with too few arguments must throw TypeError]
-    expected: FAIL
-
   [ApplicationCache interface: window.applicationCache must inherit property "UNCACHED" with the proper type]
     expected: FAIL
 
diff --git a/tests/wpt/metadata/html/semantics/forms/attributes-common-to-form-controls/formAction_document_address.html.ini b/tests/wpt/metadata/html/semantics/forms/attributes-common-to-form-controls/formAction_document_address.html.ini
index 8820e0fbda8..20dcacd1969 100644
--- a/tests/wpt/metadata/html/semantics/forms/attributes-common-to-form-controls/formAction_document_address.html.ini
+++ b/tests/wpt/metadata/html/semantics/forms/attributes-common-to-form-controls/formAction_document_address.html.ini
@@ -1,3 +1,8 @@
 [formAction_document_address.html]
   type: testharness
-  expected: ERROR
+  [Check if button.formAction is the document's new address when formaction content attribute is missing and pushState has been used]
+    expected: FAIL
+
+  [Check if input.formAction is the document's new address when formaction content attribute is missing and pushState has been used]
+    expected: FAIL
+