Initial checkin of the HTML downloads UI. It's not yet complete (lacking...

chrome/browser/dom_ui/dom_ui.cc

Index: chrome/browser/dom_ui/dom_ui.cc
===================================================================
--- chrome/browser/dom_ui/dom_ui.cc	(revision 9684)
+++ chrome/browser/dom_ui/dom_ui.cc	(working copy)
@@ -47,6 +47,11 @@
   callback->second->Run(value.get());
 }
 
+void DOMUI::CallJavascriptFunction(const std::wstring& function_name) {
+  std::wstring javascript = function_name + L"();";
+  ExecuteJavascript(javascript);
+}
+
 void DOMUI::CallJavascriptFunction(const std::wstring& function_name,
                                    const Value& arg) {
   std::string json;
@@ -122,4 +127,41 @@
     }
   }
   dictionary->SetString(L"title", title_to_set);
-}
+}
+
+int DOMMessageHandler::ExtractIntegerValue(const Value* value) {
+  if (value && value->GetType() == Value::TYPE_LIST) {
+    const ListValue* list_value = static_cast<const ListValue*>(value);
+    Value* list_member;
+
+    // Get id.
+    if (list_value->Get(0, &list_member) &&
+        list_member->GetType() == Value::TYPE_STRING) {
+      const StringValue* string_value =
+          static_cast<const StringValue*>(list_member);
+      std::wstring wstring_value;
+      string_value->GetAsString(&wstring_value);
+      return StringToInt(wstring_value);
+    }
+  }
+  return NULL;

[Paul Godavari, 2009/02/17 22:23:19]

Nit: I think this should return some default value here (like the empty string
in the method below) rather than returning NULL for an int value. Or you could
change the method signature to be:
bool Extract(const Value* in_value, int* out_int)
to better indicate success / failure.

+}
+
+std::wstring DOMMessageHandler::ExtractStringValue(const Value* value) {
+  if (value && value->GetType() == Value::TYPE_LIST) {
+    const ListValue* list_value = static_cast<const ListValue*>(value);
+    Value* list_member;
+
+    // Get id.
+    if (list_value->Get(0, &list_member) &&
+        list_member->GetType() == Value::TYPE_STRING) {
+      const StringValue* string_value =
+          static_cast<const StringValue*>(list_member);
+      std::wstring wstring_value;
+      string_value->GetAsString(&wstring_value);
+      return wstring_value;
+    }
+  }
+  return std::wstring();
+}
+