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c897602202
refactor: add static `ReplyChannel::SendError()` helper (#49338) * refactor: add static void ReplyChannel::SendError() * refactor: use static SendError() instead of instantiating a temporary * refactor: remove non-static version of SendError() * refactor: remove redundant callback-is-non-null checks Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com> Co-authored-by: Charles Kerr <charles@charleskerr.com>
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
// Copyright (c) 2023 Salesforce, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ELECTRON_SHELL_COMMON_GIN_HELPER_REPLY_CHANNEL_H_
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#define ELECTRON_SHELL_COMMON_GIN_HELPER_REPLY_CHANNEL_H_
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#include <string_view>
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#include "shell/common/api/api.mojom.h"
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#include "shell/common/gin_helper/wrappable.h"
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namespace gin_helper {
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template <typename T>
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class Handle;
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} // namespace gin_helper
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namespace v8 {
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class Isolate;
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template <typename T>
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class Local;
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class Object;
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class ObjectTemplate;
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} // namespace v8
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namespace gin_helper::internal {
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// This object wraps the InvokeCallback so that if it gets GC'd by V8, we can
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// still call the callback and send an error. Not doing so causes a Mojo DCHECK,
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// since Mojo requires callbacks to be called before they are destroyed.
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class ReplyChannel : public gin_helper::DeprecatedWrappable<ReplyChannel> {
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public:
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using InvokeCallback = electron::mojom::ElectronApiIPC::InvokeCallback;
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static gin_helper::Handle<ReplyChannel> Create(v8::Isolate* isolate,
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InvokeCallback callback);
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// gin_helper::Wrappable
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static gin::DeprecatedWrapperInfo kWrapperInfo;
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gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
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v8::Isolate* isolate) override;
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const char* GetTypeName() override;
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// Invokes `callback` (if it's non-null) with `errmsg` as an arg.
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static void SendError(v8::Isolate* isolate,
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InvokeCallback callback,
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std::string_view errmsg);
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private:
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explicit ReplyChannel(InvokeCallback callback);
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~ReplyChannel() override;
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static bool SendReplyImpl(v8::Isolate* isolate,
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InvokeCallback callback,
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v8::Local<v8::Value> arg);
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bool SendReply(v8::Isolate* isolate, v8::Local<v8::Value> arg);
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InvokeCallback callback_;
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};
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} // namespace gin_helper::internal
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#endif // ELECTRON_SHELL_COMMON_GIN_HELPER_REPLY_CHANNEL_H_
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