electron/patches/chromium/add_webmessageportconverter_entangleandinjectmessageportchannel.patch
2020-03-11 18:07:54 -07:00

51 lines
2.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jeremy Apthorp <nornagon@nornagon.net>
Date: Fri, 25 Oct 2019 11:23:03 -0700
Subject: add WebMessagePortConverter::EntangleAndInjectMessagePortChannel
This adds a method to the public Blink API that would otherwise require
accessing Blink internals. Its inverse, which already exists, is used in
Android WebView.
diff --git a/third_party/blink/public/web/web_message_port_converter.h b/third_party/blink/public/web/web_message_port_converter.h
index ad603aa7c557bfd4f571a541d70e2edf9ae757d9..d4b0bf8f5e8f3af9328b0099b65d9963414dfcc1 100644
--- a/third_party/blink/public/web/web_message_port_converter.h
+++ b/third_party/blink/public/web/web_message_port_converter.h
@@ -13,6 +13,7 @@ class Isolate;
template <class T>
class Local;
class Value;
+class Context;
} // namespace v8
namespace blink {
@@ -25,6 +26,9 @@ class WebMessagePortConverter {
// neutered, it will return nullopt.
BLINK_EXPORT static base::Optional<MessagePortChannel>
DisentangleAndExtractMessagePortChannel(v8::Isolate*, v8::Local<v8::Value>);
+
+ BLINK_EXPORT static v8::Local<v8::Value>
+ EntangleAndInjectMessagePortChannel(v8::Local<v8::Context>, MessagePortChannel);
};
} // namespace blink
diff --git a/third_party/blink/renderer/core/exported/web_message_port_converter.cc b/third_party/blink/renderer/core/exported/web_message_port_converter.cc
index 333760d667f6b98b3e7674bf9082f999743dadfa..fc2f517de1951380482fbfa92c038041e15d9c3e 100644
--- a/third_party/blink/renderer/core/exported/web_message_port_converter.cc
+++ b/third_party/blink/renderer/core/exported/web_message_port_converter.cc
@@ -21,4 +21,15 @@ WebMessagePortConverter::DisentangleAndExtractMessagePortChannel(
return port->Disentangle();
}
+v8::Local<v8::Value>
+WebMessagePortConverter::EntangleAndInjectMessagePortChannel(
+ v8::Local<v8::Context> context,
+ MessagePortChannel port_channel) {
+ auto* execution_context = ToExecutionContext(context);
+ CHECK(execution_context);
+ auto* port = MakeGarbageCollected<MessagePort>(*execution_context);
+ port->Entangle(std::move(port_channel));
+ return ToV8(port, context->Global(), context->GetIsolate());
+}
+
} // namespace blink