Added code for localizing scripts CSS before injection takes place.

BUG=39899
TEST=browser_tests:ExtensionApiTest.ContentScriptCSSLocalization


Review URL: http://codereview.chromium.org/7552028

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@97365 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 51 insertions, 0 deletions

diff --git a/chrome/common/extensions/extension_file_util.cc b/chrome/common/extensions/extension_file_util.cc
index e7ba195..55ca7de 100644
--- a/chrome/common/extensions/extension_file_util.cc
+++ b/chrome/common/extensions/extension_file_util.cc
@@ -20,6 +20,8 @@
 #include "chrome/common/extensions/extension_action.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_l10n_util.h"
+#include "chrome/common/extensions/extension_messages.h"
+#include "chrome/common/extensions/extension_message_bundle.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "chrome/common/extensions/extension_sidebar_defaults.h"
 #include "content/common/json_value_serializer.h"
@@ -400,6 +402,29 @@ ExtensionMessageBundle* LoadExtensionMessageBundle(
   return message_bundle;
 }
 
+SubstitutionMap* LoadExtensionMessageBundleSubstitutionMap(
+    const FilePath& extension_path,
+    const std::string& extension_id,
+    const std::string& default_locale) {
+  SubstitutionMap* returnValue = new SubstitutionMap();
+  if (!default_locale.empty()) {
+    // Touch disk only if extension is localized.
+    std::string error;
+    scoped_ptr<ExtensionMessageBundle> bundle(
+        LoadExtensionMessageBundle(extension_path, default_locale, &error));
+
+    if (bundle.get())
+      *returnValue = *bundle->dictionary();
+  }
+
+  // Add @@extension_id reserved message here, so it's available to
+  // non-localized extensions too.
+  returnValue->insert(
+      std::make_pair(ExtensionMessageBundle::kExtensionIdKey, extension_id));
+
+  return returnValue;
+}
+
 static bool ValidateLocaleInfo(const Extension& extension, std::string* error) {
   // default_locale and _locales have to be both present or both missing.
   const FilePath path = extension.path().Append(Extension::kLocaleFolder);
diff --git a/chrome/common/extensions/extension_file_util.h b/chrome/common/extensions/extension_file_util.h
index 7913e2f..ce60673 100644
--- a/chrome/common/extensions/extension_file_util.h
+++ b/chrome/common/extensions/extension_file_util.h
@@ -10,6 +10,7 @@
 #include <map>
 
 #include "chrome/common/extensions/extension.h"
+#include "chrome/common/extensions/extension_message_bundle.h"
 
 class Extension;
 class ExtensionMessageBundle;
@@ -66,6 +67,14 @@ ExtensionMessageBundle* LoadExtensionMessageBundle(
     const std::string& default_locale,
     std::string* error);
 
+// Loads the extension message bundle substitution map. Contains at least
+// extension_id item.
+ExtensionMessageBundle::SubstitutionMap*
+    LoadExtensionMessageBundleSubstitutionMap(
+    const FilePath& extension_path,
+    const std::string& extension_id,
+    const std::string& default_locale);
+
 // We need to reserve the namespace of entries that start with "_" for future
 // use by Chrome.
 // If any files or directories are found using "_" prefix and are not on
diff --git a/chrome/common/extensions/extension_set.cc b/chrome/common/extensions/extension_set.cc
index 0825089..c839fd6d 100644
--- a/chrome/common/extensions/extension_set.cc
+++ b/chrome/common/extensions/extension_set.cc
@@ -79,3 +79,13 @@ bool ExtensionSet::ExtensionBindingsAllowed(const GURL& url) const {
 
   return false;
 }
+
+void ExtensionSet::GetExtensionsPathAndDefaultLocale(
+    std::map<std::string, ExtensionPathAndDefaultLocale>& info) const {
+  info.clear();
+  ExtensionMap::const_iterator i = extensions_.begin();
+  for (; i != extensions_.end(); ++i) {
+    info[i->first] = std::make_pair(i->second->path(),
+                                    i->second->default_locale());
+  }
+}
diff --git a/chrome/common/extensions/extension_set.h b/chrome/common/extensions/extension_set.h
index dbd16ad..d50086b 100644
--- a/chrome/common/extensions/extension_set.h
+++ b/chrome/common/extensions/extension_set.h
@@ -6,6 +6,7 @@
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_SET_H_
 #pragma once
 
+#include <map>
 #include <string>
 #include <vector>
 
@@ -18,6 +19,8 @@
 // Only one extension can be in the set with a given ID.
 class ExtensionSet {
  public:
+  typedef std::pair<FilePath, std::string> ExtensionPathAndDefaultLocale;
+
   ExtensionSet();
   ~ExtensionSet();
 
@@ -57,6 +60,10 @@ class ExtensionSet {
   // permissions the given extension has been granted.
   bool ExtensionBindingsAllowed(const GURL& url) const;
 
+  // Populates map with the path and default locale for all extension IDs.
+  void GetExtensionsPathAndDefaultLocale(
+      std::map<std::string, ExtensionPathAndDefaultLocale>& info) const;
+
  private:
   FRIEND_TEST_ALL_PREFIXES(ExtensionSetTest, ExtensionSet);