content/renderer/web_ui_runner.cc

   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 "content/renderer/web_ui_runner.h"
   6
   7 #include "content/public/renderer/render_frame.h"
   8 #include "gin/modules/module_registry.h"
   9 #include "gin/per_context_data.h"
  10 #include "gin/public/context_holder.h"
  11 #include "third_party/WebKit/public/web/WebFrame.h"
  12 #include "third_party/WebKit/public/web/WebScriptSource.h"
  13
  14 using v8::Context;
  15 using v8::HandleScope;
  16 using v8::Isolate;
  17 using v8::Object;
  18 using v8::ObjectTemplate;
  19 using v8::Script;
  20
  21 namespace content {
  22
  23 WebUIRunner::WebUIRunner(blink::WebFrame* frame,
  24                          gin::ContextHolder* context_holder)
  25     : frame_(frame),
  26       context_holder_(context_holder) {
  27   DCHECK(frame_);
  28   v8::Isolate::Scope isolate_scope(context_holder->isolate());
  29   HandleScope handle_scope(context_holder->isolate());
  30   // Note: this installs the runner globally. If we need to support more than
  31   // one runner at a time we'll have to revisit this.
  32   gin::PerContextData::From(context_holder->context())->set_runner(this);
  33 }
  34
  35 WebUIRunner::~WebUIRunner() {
  36 }
  37
  38 void WebUIRunner::Run(const std::string& source,
  39                       const std::string& resource_name) {
  40   frame_->executeScript(
  41       blink::WebScriptSource(blink::WebString::fromUTF8(source)));
  42 }
  43
  44 v8::Local<v8::Value> WebUIRunner::Call(v8::Local<v8::Function> function,
  45                                         v8::Local<v8::Value> receiver,
  46                                         int argc,
  47                                         v8::Local<v8::Value> argv[]) {
  48   return frame_->callFunctionEvenIfScriptDisabled(function, receiver, argc,
  49                                                   argv);
  50 }
  51
  52 gin::ContextHolder* WebUIRunner::GetContextHolder() {
  53   return context_holder_;
  54 }
  55
  56 }  // namespace content