From 3a15cbd5c36f9289d619ecc543b25859aaeae50e Mon Sep 17 00:00:00 2001
From: KuoE0 <kuoe0.tw@gmail.com>
Date: Thu, 18 May 2017 17:15:16 +0800
Subject: [PATCH] Store the pointer of reusable sheets in StylesheetLoader.

MozReview-Commit-ID: DZP2bChjj3k
---
 ports/geckolib/glue.rs              | 11 ++++++-----
 ports/geckolib/stylesheet_loader.rs | 11 +++++++----
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/ports/geckolib/glue.rs b/ports/geckolib/glue.rs
index 02e476c63cfd..6937d4fff105 100644
--- a/ports/geckolib/glue.rs
+++ b/ports/geckolib/glue.rs
@@ -65,12 +65,12 @@ use style::gecko_bindings::bindings::nsTimingFunctionBorrowed;
 use style::gecko_bindings::bindings::nsTimingFunctionBorrowedMut;
 use style::gecko_bindings::structs;
 use style::gecko_bindings::structs::{CSSPseudoElementType, CompositeOperation};
+use style::gecko_bindings::structs::{Loader, LoaderReusableStyleSheets};
 use style::gecko_bindings::structs::{RawServoStyleRule, ServoStyleSheet};
 use style::gecko_bindings::structs::{SheetParsingMode, nsIAtom, nsCSSPropertyID};
 use style::gecko_bindings::structs::{nsCSSFontFaceRule, nsCSSCounterStyleRule};
 use style::gecko_bindings::structs::{nsRestyleHint, nsChangeHint, PropertyValuePair};
 use style::gecko_bindings::structs::IterationCompositeOperation;
-use style::gecko_bindings::structs::Loader;
 use style::gecko_bindings::structs::MallocSizeOf;
 use style::gecko_bindings::structs::RawGeckoPresContextOwned;
 use style::gecko_bindings::structs::ServoElementSnapshotTable;
@@ -721,7 +721,7 @@ pub extern "C" fn Servo_StyleSheet_FromUTF8Bytes(loader: *mut Loader,
     let loader = if loader.is_null() {
         None
     } else {
-        Some(StylesheetLoader::new(loader, stylesheet))
+        Some(StylesheetLoader::new(loader, stylesheet, ptr::null_mut()))
     };
 
     // FIXME(emilio): loader.as_ref() doesn't typecheck for some reason?
@@ -750,7 +750,8 @@ pub extern "C" fn Servo_StyleSheet_ClearAndUpdate(stylesheet: RawServoStyleSheet
                                                   gecko_stylesheet: *mut ServoStyleSheet,
                                                   data: *const nsACString,
                                                   extra_data: *mut URLExtraData,
-                                                  line_number_offset: u32)
+                                                  line_number_offset: u32,
+                                                  reusable_sheets: *mut LoaderReusableStyleSheets)
 {
     let input = unsafe { data.as_ref().unwrap().as_str_unchecked() };
     let url_data = unsafe { RefPtr::from_ptr_ref(&extra_data) };
@@ -758,7 +759,7 @@ pub extern "C" fn Servo_StyleSheet_ClearAndUpdate(stylesheet: RawServoStyleSheet
     let loader = if loader.is_null() {
         None
     } else {
-        Some(StylesheetLoader::new(loader, gecko_stylesheet))
+        Some(StylesheetLoader::new(loader, gecko_stylesheet, reusable_sheets))
     };
 
     // FIXME(emilio): loader.as_ref() doesn't typecheck for some reason?
@@ -950,7 +951,7 @@ pub extern "C" fn Servo_CssRules_InsertRule(rules: ServoCssRulesBorrowed,
     let loader = if loader.is_null() {
         None
     } else {
-        Some(StylesheetLoader::new(loader, gecko_stylesheet))
+        Some(StylesheetLoader::new(loader, gecko_stylesheet, ptr::null_mut()))
     };
     let loader = loader.as_ref().map(|loader| loader as &StyleStylesheetLoader);
     let rule = unsafe { rule.as_ref().unwrap().as_str_unchecked() };
diff --git a/ports/geckolib/stylesheet_loader.rs b/ports/geckolib/stylesheet_loader.rs
index 87fdc4d39f3a..88a6866539cc 100644
--- a/ports/geckolib/stylesheet_loader.rs
+++ b/ports/geckolib/stylesheet_loader.rs
@@ -3,18 +3,20 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use style::gecko_bindings::bindings::Gecko_LoadStyleSheet;
-use style::gecko_bindings::structs::{Loader, ServoStyleSheet};
+use style::gecko_bindings::structs::{Loader, ServoStyleSheet, LoaderReusableStyleSheets};
 use style::gecko_bindings::sugar::ownership::{HasArcFFI, FFIArcHelpers};
 use style::media_queries::MediaList;
 use style::shared_lock::Locked;
 use style::stylearc::Arc;
 use style::stylesheets::{ImportRule, Stylesheet, StylesheetLoader as StyleStylesheetLoader};
 
-pub struct StylesheetLoader(*mut Loader, *mut ServoStyleSheet);
+pub struct StylesheetLoader(*mut Loader, *mut ServoStyleSheet, *mut LoaderReusableStyleSheets);
 
 impl StylesheetLoader {
-    pub fn new(loader: *mut Loader, parent: *mut ServoStyleSheet) -> Self {
-        StylesheetLoader(loader, parent)
+    pub fn new(loader: *mut Loader,
+               parent: *mut ServoStyleSheet,
+               reusable_sheets: *mut LoaderReusableStyleSheets) -> Self {
+        StylesheetLoader(loader, parent, reusable_sheets)
     }
 }
 
@@ -37,6 +39,7 @@ impl StyleStylesheetLoader for StylesheetLoader {
         unsafe {
             Gecko_LoadStyleSheet(self.0,
                                  self.1,
+                                 self.2,
                                  Stylesheet::arc_as_borrowed(&import.stylesheet),
                                  base_url_data,
                                  spec_bytes,