59 lines
2.6 KiB
Diff
59 lines
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jeremy Apthorp <nornagon@nornagon.net>
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Date: Fri, 25 Oct 2019 11:23:03 -0700
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Subject: add WebMessagePortConverter::EntangleAndInjectMessagePortChannel
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This adds a method to the public Blink API that would otherwise require
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accessing Blink internals. Its inverse, which already exists, is used in
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Android WebView.
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diff --git a/third_party/blink/public/web/web_message_port_converter.h b/third_party/blink/public/web/web_message_port_converter.h
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index 70270faafcae01aba19d2be9ece3821c1c75dc29..809ec708c3faa9deb69ff17d499e645540358b88 100644
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--- a/third_party/blink/public/web/web_message_port_converter.h
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+++ b/third_party/blink/public/web/web_message_port_converter.h
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@@ -13,6 +13,7 @@ class Isolate;
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template <class T>
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class Local;
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class Value;
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+class Context;
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} // namespace v8
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namespace blink {
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@@ -25,6 +26,9 @@ class WebMessagePortConverter {
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// neutered, it will return nullopt.
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BLINK_EXPORT static absl::optional<MessagePortChannel>
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DisentangleAndExtractMessagePortChannel(v8::Isolate*, v8::Local<v8::Value>);
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+
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+ BLINK_EXPORT static v8::Local<v8::Value>
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+ EntangleAndInjectMessagePortChannel(v8::Local<v8::Context>, MessagePortChannel);
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};
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} // namespace blink
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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
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index 0f9377d28fdf8dd6511fbf025493367205ff74d6..5b04fb60cbd079b7d589ca14dfbb351fd2492f74 100644
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--- a/third_party/blink/renderer/core/exported/web_message_port_converter.cc
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+++ b/third_party/blink/renderer/core/exported/web_message_port_converter.cc
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@@ -6,6 +6,7 @@
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#include "third_party/blink/public/common/messaging/message_port_channel.h"
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#include "third_party/blink/renderer/bindings/core/v8/script_value.h"
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+#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
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#include "third_party/blink/renderer/bindings/core/v8/v8_message_port.h"
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#include "third_party/blink/renderer/core/messaging/message_port.h"
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@@ -21,4 +22,15 @@ WebMessagePortConverter::DisentangleAndExtractMessagePortChannel(
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return port->Disentangle();
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}
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+v8::Local<v8::Value>
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+WebMessagePortConverter::EntangleAndInjectMessagePortChannel(
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+ v8::Local<v8::Context> context,
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+ MessagePortChannel port_channel) {
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+ auto* execution_context = ToExecutionContext(context);
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+ CHECK(execution_context);
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+ auto* port = MakeGarbageCollected<MessagePort>(*execution_context);
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+ port->Entangle(std::move(port_channel));
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+ return ToV8(port, context->Global(), context->GetIsolate());
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+}
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+
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} // namespace blink
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