1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "extensions/renderer/css_native_handler.h"
6
7#include "extensions/renderer/script_context.h"
8#include "third_party/WebKit/public/platform/WebString.h"
9#include "third_party/WebKit/public/web/WebScriptBindings.h"
10#include "third_party/WebKit/public/web/WebSelector.h"
11
12namespace extensions {
13
14using blink::WebString;
15
16CssNativeHandler::CssNativeHandler(ScriptContext* context)
17    : ObjectBackedNativeHandler(context) {
18  RouteFunction("CanonicalizeCompoundSelector",
19                base::Bind(&CssNativeHandler::CanonicalizeCompoundSelector,
20                           base::Unretained(this)));
21}
22
23void CssNativeHandler::CanonicalizeCompoundSelector(
24    const v8::FunctionCallbackInfo<v8::Value>& args) {
25  CHECK_EQ(args.Length(), 1);
26  CHECK(args[0]->IsString());
27  WebString input_selector =
28      blink::WebScriptBindings::toWebString(args[0].As<v8::String>());
29  WebString output_selector = blink::canonicalizeSelector(
30      input_selector, blink::WebSelectorTypeCompound);
31  args.GetReturnValue().Set(blink::WebScriptBindings::toV8String(
32      output_selector, context()->v8_context()->GetIsolate()));
33}
34
35}  // namespace extensions
36