| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "extensions/renderer/blob_native_handler.h" |
| |
| #include "base/bind.h" |
| #include "extensions/renderer/script_context.h" |
| #include "third_party/WebKit/public/platform/WebURL.h" |
| #include "third_party/WebKit/public/web/WebBlob.h" |
| |
| namespace { |
| |
| // Expects a single Blob argument. Returns the Blob's UUID. |
| void GetBlobUuid(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CHECK_EQ(1, args.Length()); |
| blink::WebBlob blob = blink::WebBlob::FromV8Value(args[0]); |
| args.GetReturnValue().Set( |
| v8::String::NewFromUtf8(args.GetIsolate(), blob.Uuid().Utf8().data())); |
| } |
| |
| } // namespace |
| |
| namespace extensions { |
| |
| BlobNativeHandler::BlobNativeHandler(ScriptContext* context) |
| : ObjectBackedNativeHandler(context) { |
| RouteFunction("GetBlobUuid", base::Bind(&GetBlobUuid)); |
| RouteFunction("TakeBrowserProcessBlob", |
| base::Bind(&BlobNativeHandler::TakeBrowserProcessBlob, |
| base::Unretained(this))); |
| } |
| |
| // Take ownership of a Blob created on the browser process. Expects the Blob's |
| // UUID, type, and size as arguments. Returns the Blob we just took to |
| // Javascript. The Blob reference in the browser process is dropped through |
| // a separate flow to avoid leaking Blobs if the script context is destroyed. |
| void BlobNativeHandler::TakeBrowserProcessBlob( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CHECK_EQ(3, args.Length()); |
| CHECK(args[0]->IsString()); |
| CHECK(args[1]->IsString()); |
| CHECK(args[2]->IsInt32()); |
| std::string uuid(*v8::String::Utf8Value(args[0])); |
| std::string type(*v8::String::Utf8Value(args[1])); |
| blink::WebBlob blob = blink::WebBlob::CreateFromUUID( |
| blink::WebString::FromUTF8(uuid), blink::WebString::FromUTF8(type), |
| args[2]->Int32Value()); |
| args.GetReturnValue().Set( |
| blob.ToV8Value(context()->v8_context()->Global(), args.GetIsolate())); |
| } |
| |
| } // namespace extensions |