text: // Copyright (c) 2014 GitHub, Inc.
  // Use of this source code is governed by the MIT license that can be
  // found in the LICENSE file.
  
  #include "atom/renderer/api/atom_api_web_frame.h"
  
  #include "atom/common/native_mate_converters/callback.h"
  #include "atom/common/native_mate_converters/gfx_converter.h"
  #include "atom/common/native_mate_converters/string16_converter.h"
  #include "atom/renderer/api/atom_api_spell_check_client.h"
  #include "content/public/renderer/render_frame.h"
  #include "native_mate/dictionary.h"
  #include "native_mate/object_template_builder.h"
  #include "third_party/WebKit/public/web/WebDocument.h"
  #include "third_party/WebKit/public/web/WebLocalFrame.h"
  #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
  #include "third_party/WebKit/public/web/WebView.h"
  
  #include "atom/common/node_includes.h"
  
  namespace atom {
  
  namespace api {
  
  WebFrame::WebFrame()
      : web_frame_(blink::WebLocalFrame::frameForCurrentContext()) {
  }
  
  WebFrame::~WebFrame() {
  }
  
  void WebFrame::SetName(const std::string& name) {
    web_frame_->setName(blink::WebString::fromUTF8(name));
  }
  
  double WebFrame::SetZoomLevel(double level) {
    return web_frame_->view()->setZoomLevel(level);
  }
  
  double WebFrame::GetZoomLevel() const {
    return web_frame_->view()->zoomLevel();
  }
  
  double WebFrame::SetZoomFactor(double factor) {
    return blink::WebView::zoomLevelToZoomFactor(SetZoomLevel(
        blink::WebView::zoomFactorToZoomLevel(factor)));
  }
  
  double WebFrame::GetZoomFactor() const {
    return blink::WebView::zoomLevelToZoomFactor(GetZoomLevel());
  }
  
  v8::Local<v8::Value> WebFrame::RegisterEmbedderCustomElement(
      const base::string16& name, v8::Local<v8::Object> options) {
    blink::WebExceptionCode c = 0;
    return web_frame_->document().registerEmbedderCustomElement(name, options, c);
  }
  
  void WebFrame::RegisterElementResizeCallback(
      int element_instance_id,
      const GuestViewContainer::ResizeCallback& callback) {
    auto guest_view_container = GuestViewContainer::FromID(element_instance_id);
    if (guest_view_container)
      guest_view_container->RegisterElementResizeCallback(callback);
  }
  
  void WebFrame::AttachGuest(int id) {
    content::RenderFrame::FromWebFrame(web_frame_)->AttachGuest(id);
  }
  
  void WebFrame::SetSpellCheckProvider(mate::Arguments* args,
                                       const std::string& language,
                                       bool auto_spell_correct_turned_on,
                                       v8::Local<v8::Object> provider) {
    if (!provider->Has(mate::StringToV8(args->isolate(), "spellCheck"))) {
      args->ThrowError("\"spellCheck\" has to be defined");
      return;
    }
  
    spell_check_client_.reset(new SpellCheckClient(
        language, auto_spell_correct_turned_on, args->isolate(), provider));
    web_frame_->view()->setSpellCheckClient(spell_check_client_.get());
  }
  
  void WebFrame::RegisterURLSchemeAsSecure(const std::string& scheme) {
    // Register scheme to secure list (https, wss, data).
    blink::WebSecurityPolicy::registerURLSchemeAsSecure(
        blink::WebString::fromUTF8(scheme));
  }
  
  void WebFrame::RegisterURLSchemeAsBypassingCsp(const std::string& scheme) {
    // Register scheme to bypass pages's Content Security Policy.
    blink::WebSecurityPolicy::registerURLSchemeAsBypassingContentSecurityPolicy(
        blink::WebString::fromUTF8(scheme));
  }
  
  mate::ObjectTemplateBuilder WebFrame::GetObjectTemplateBuilder(
      v8::Isolate* isolate) {
    return mate::ObjectTemplateBuilder(isolate)
        .SetMethod("setName", &WebFrame::SetName)
        .SetMethod("setZoomLevel", &WebFrame::SetZoomLevel)
        .SetMethod("getZoomLevel", &WebFrame::GetZoomLevel)
        .SetMethod("setZoomFactor", &WebFrame::SetZoomFactor)
        .SetMethod("getZoomFactor", &WebFrame::GetZoomFactor)
        .SetMethod("registerEmbedderCustomElement",
                   &WebFrame::RegisterEmbedderCustomElement)
        .SetMethod("registerElementResizeCallback",
                   &WebFrame::RegisterElementResizeCallback)
        .SetMethod("attachGuest", &WebFrame::AttachGuest)
        .SetMethod("setSpellCheckProvider", &WebFrame::SetSpellCheckProvider)
        .SetMethod("registerUrlSchemeAsSecure",
                   &WebFrame::RegisterURLSchemeAsSecure)
        .SetMethod("registerUrlSchemeAsBypassingCsp",
                   &WebFrame::RegisterURLSchemeAsBypassingCsp);
  }
  
  // static
  mate::Handle<WebFrame> WebFrame::Create(v8::Isolate* isolate) {
    return CreateHandle(isolate, new WebFrame);
  }
  
  }  // namespace api
  
  }  // namespace atom
  
  namespace {
  
  void Initialize(v8::Local<v8::Object> exports, v8::Local<v8::Value> unused,
                  v8::Local<v8::Context> context, void* priv) {
    v8::Isolate* isolate = context->GetIsolate();
    mate::Dictionary dict(isolate, exports);
    dict.Set("webFrame", atom::api::WebFrame::Create(isolate));
  }
  
  }  // namespace
  
  NODE_MODULE_CONTEXT_AWARE_BUILTIN(atom_renderer_web_frame, Initialize)
  