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-rw-r--r--chrome/renderer/user_script_slave.cc74
1 files changed, 57 insertions, 17 deletions
diff --git a/chrome/renderer/user_script_slave.cc b/chrome/renderer/user_script_slave.cc
index 66c15d1..5f1c780 100644
--- a/chrome/renderer/user_script_slave.cc
+++ b/chrome/renderer/user_script_slave.cc
@@ -15,6 +15,8 @@
#include "chrome/common/chrome_switches.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_constants.h"
+#include "chrome/common/extensions/extension_message_bundle.h"
+#include "chrome/common/render_messages.h"
#include "chrome/renderer/extension_groups.h"
#include "chrome/renderer/render_thread.h"
#include "googleurl/src/gurl.h"
@@ -55,9 +57,10 @@ int UserScriptSlave::GetIsolatedWorldId(const std::string& extension_id) {
return new_id;
}
-UserScriptSlave::UserScriptSlave()
+UserScriptSlave::UserScriptSlave(RenderThreadBase* message_sender)
: shared_memory_(NULL),
- script_deleter_(&scripts_) {
+ script_deleter_(&scripts_),
+ render_thread_(message_sender) {
api_js_ = ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_GREASEMONKEY_API_JS);
}
@@ -69,10 +72,49 @@ void UserScriptSlave::GetActiveExtensions(std::set<std::string>* extension_ids)
}
}
-bool UserScriptSlave::UpdateScripts(base::SharedMemoryHandle shared_memory) {
- scripts_.clear();
+// Fetches l10n messages from browser, and populates the map.
+// Returns empty map if extension_id is empty or content script doesn't have
+// css scripts.
+static void GetL10nMessagesForExtension(
+ const UserScript* script,
+ RenderThreadBase* message_sender,
+ L10nMessagesMap* messages) {
+ DCHECK(script);
+ DCHECK(message_sender);
+ DCHECK(messages);
+ const std::string extension_id = script->extension_id();
+ if (!extension_id.empty() && !script->css_scripts().empty()) {
+ // Always fetch messages, since files were updated. We don't want to have
+ // stale content.
+ message_sender->Send(new ViewHostMsg_GetExtensionMessageBundle(
+ extension_id, messages));
+ }
+}
- bool only_inject_incognito = RenderThread::current()->is_incognito_process();
+// Sets external content for each js/css script file.
+// Message placeholders are replaced in scripts if localization catalog is
+// available and should_localize is true.
+static void SetExternalContent(const Pickle& pickle,
+ void** iter,
+ const L10nMessagesMap& l10n_messages,
+ UserScript::File* script,
+ bool should_localize) {
+ const char* body = NULL;
+ int body_length = 0;
+ CHECK(pickle.ReadData(iter, &body, &body_length));
+ std::string localized_body(body, body_length);
+ if (!l10n_messages.empty() && should_localize) {
+ std::string error;
+ ExtensionMessageBundle::ReplaceMessagesWithExternalDictionary(
+ l10n_messages, &localized_body, &error);
+ }
+ script->set_external_content(
+ base::StringPiece(localized_body.data(), localized_body.length()));
+}
+
+bool UserScriptSlave::UpdateScripts(base::SharedMemoryHandle shared_memory,
+ bool is_incognito_process) {
+ scripts_.clear();
// Create the shared memory object (read only).
shared_memory_.reset(new base::SharedMemory(shared_memory, true));
@@ -97,32 +139,30 @@ bool UserScriptSlave::UpdateScripts(base::SharedMemoryHandle shared_memory) {
Pickle pickle(reinterpret_cast<char*>(shared_memory_->memory()),
pickle_size);
pickle.ReadSize(&iter, &num_scripts);
-
scripts_.reserve(num_scripts);
for (size_t i = 0; i < num_scripts; ++i) {
scripts_.push_back(new UserScript());
UserScript* script = scripts_.back();
script->Unpickle(pickle, &iter);
+ // We need to fetch message catalogs for each script that has extension id
+ // and at least one css script.
+ L10nMessagesMap l10n_messages;
+ GetL10nMessagesForExtension(script, render_thread_, &l10n_messages);
+
// Note that this is a pointer into shared memory. We don't own it. It gets
// cleared up when the last renderer or browser process drops their
// reference to the shared memory.
for (size_t j = 0; j < script->js_scripts().size(); ++j) {
- const char* body = NULL;
- int body_length = 0;
- CHECK(pickle.ReadData(&iter, &body, &body_length));
- script->js_scripts()[j].set_external_content(
- base::StringPiece(body, body_length));
+ SetExternalContent(
+ pickle, &iter, l10n_messages, &script->js_scripts()[j], false);
}
for (size_t j = 0; j < script->css_scripts().size(); ++j) {
- const char* body = NULL;
- int body_length = 0;
- CHECK(pickle.ReadData(&iter, &body, &body_length));
- script->css_scripts()[j].set_external_content(
- base::StringPiece(body, body_length));
+ SetExternalContent(
+ pickle, &iter, l10n_messages, &script->css_scripts()[j], true);
}
- if (only_inject_incognito && !script->is_incognito_enabled()) {
+ if (is_incognito_process && !script->is_incognito_enabled()) {
// This script shouldn't run in an incognito tab.
delete script;
scripts_.pop_back();