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      1 // Copyright (c) 2012 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 "chrome/renderer/extensions/page_capture_custom_bindings.h"
      6 
      7 #include "base/bind.h"
      8 #include "base/strings/utf_string_conversions.h"
      9 #include "chrome/common/extensions/extension_messages.h"
     10 #include "content/public/renderer/render_view.h"
     11 #include "grit/renderer_resources.h"
     12 #include "third_party/WebKit/public/web/WebBlob.h"
     13 #include "v8/include/v8.h"
     14 
     15 namespace extensions {
     16 
     17 PageCaptureCustomBindings::PageCaptureCustomBindings(
     18     Dispatcher* dispatcher,
     19     ChromeV8Context* context)
     20     : ChromeV8Extension(dispatcher, context) {
     21   RouteFunction("CreateBlob",
     22       base::Bind(&PageCaptureCustomBindings::CreateBlob,
     23                  base::Unretained(this)));
     24   RouteFunction("SendResponseAck",
     25       base::Bind(&PageCaptureCustomBindings::SendResponseAck,
     26                  base::Unretained(this)));
     27 }
     28 
     29 void PageCaptureCustomBindings::CreateBlob(
     30     const v8::FunctionCallbackInfo<v8::Value>& args) {
     31   CHECK(args.Length() == 2);
     32   CHECK(args[0]->IsString());
     33   CHECK(args[1]->IsInt32());
     34   WebKit::WebString path(UTF8ToUTF16(*v8::String::Utf8Value(args[0])));
     35   WebKit::WebBlob blob =
     36       WebKit::WebBlob::createFromFile(path, args[1]->Int32Value());
     37   args.GetReturnValue().Set(blob.toV8Value());
     38 }
     39 
     40 void PageCaptureCustomBindings::SendResponseAck(
     41     const v8::FunctionCallbackInfo<v8::Value>& args) {
     42   CHECK(args.Length() == 1);
     43   CHECK(args[0]->IsInt32());
     44 
     45   content::RenderView* render_view = GetRenderView();
     46   if (render_view) {
     47     render_view->Send(new ExtensionHostMsg_ResponseAck(
     48         render_view->GetRoutingID(), args[0]->Int32Value()));
     49   }
     50 }
     51 
     52 }  // namespace extensions
     53