electron/atom/browser/api/event.cc
2016-08-02 19:28:12 +09:00

68 lines
1.7 KiB
C++

// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/api/event.h"
#include "atom/common/api/api_messages.h"
#include "atom/common/native_mate_converters/string16_converter.h"
#include "content/public/browser/web_contents.h"
#include "native_mate/object_template_builder.h"
namespace mate {
Event::Event(v8::Isolate* isolate)
: sender_(nullptr),
message_(nullptr) {
Init(isolate);
}
Event::~Event() {
}
void Event::SetSenderAndMessage(content::WebContents* sender,
IPC::Message* message) {
DCHECK(!sender_);
DCHECK(!message_);
sender_ = sender;
message_ = message;
Observe(sender);
}
void Event::WebContentsDestroyed() {
sender_ = nullptr;
message_ = nullptr;
}
void Event::PreventDefault(v8::Isolate* isolate) {
GetWrapper()->Set(StringToV8(isolate, "defaultPrevented"),
v8::True(isolate));
}
bool Event::SendReply(const base::string16& json) {
if (message_ == nullptr || sender_ == nullptr)
return false;
AtomViewHostMsg_Message_Sync::WriteReplyParams(message_, json);
bool success = sender_->Send(message_);
message_ = nullptr;
sender_ = nullptr;
return success;
}
// static
Handle<Event> Event::Create(v8::Isolate* isolate) {
return mate::CreateHandle(isolate, new Event(isolate));
}
// static
void Event::BuildPrototype(
v8::Isolate* isolate, v8::Local<v8::FunctionTemplate> prototype) {
prototype->SetClassName(mate::StringToV8(isolate, "Event"));
mate::ObjectTemplateBuilder(isolate, prototype->PrototypeTemplate())
.SetMethod("preventDefault", &Event::PreventDefault)
.SetMethod("sendReply", &Event::SendReply);
}
} // namespace mate