62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
// Copyright (c) 2014 GitHub, Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "atom/browser/api/event_emitter.h"
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#include <vector>
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#include "atom/browser/api/event.h"
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#include "atom/common/native_mate_converters/v8_value_converter.h"
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#include "base/memory/scoped_ptr.h"
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#include "base/values.h"
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#include "atom/common/node_includes.h"
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namespace mate {
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EventEmitter::EventEmitter() {
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}
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bool EventEmitter::Emit(const base::StringPiece& name) {
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return Emit(name, base::ListValue());
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}
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bool EventEmitter::Emit(const base::StringPiece& name,
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const base::ListValue& args) {
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return Emit(name, args, NULL, NULL);
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}
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bool EventEmitter::Emit(const base::StringPiece& name,
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const base::ListValue& args,
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content::WebContents* sender,
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IPC::Message* message) {
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v8::Locker locker(node_isolate);
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v8::HandleScope handle_scope(node_isolate);
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v8::Handle<v8::Context> context = v8::Context::GetCurrent();
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scoped_ptr<atom::V8ValueConverter> converter(new atom::V8ValueConverter);
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mate::Handle<mate::Event> event = mate::Event::Create(node_isolate);
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if (sender && message)
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event->SetSenderAndMessage(sender, message);
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// v8_args = [name, event, args...];
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std::vector<v8::Handle<v8::Value>> v8_args;
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v8_args.reserve(args.GetSize() + 2);
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v8_args.push_back(mate::StringToV8(node_isolate, name));
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v8_args.push_back(event.ToV8());
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for (size_t i = 0; i < args.GetSize(); i++) {
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const base::Value* value(NULL);
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if (args.Get(i, &value))
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v8_args.push_back(converter->ToV8Value(value, context));
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}
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// this.emit.apply(this, v8_args);
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node::MakeCallback(
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GetWrapper(node_isolate), "emit", v8_args.size(), &v8_args[0]);
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return event->prevent_default();
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}
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} // namespace mate
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