electron/atom/browser/api/event.h
2019-05-31 10:25:19 -07:00

59 lines
1.8 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.
#ifndef ATOM_BROWSER_API_EVENT_H_
#define ATOM_BROWSER_API_EVENT_H_
#include "base/optional.h"
#include "content/public/browser/web_contents_observer.h"
#include "electron/atom/common/api/api.mojom.h"
#include "native_mate/handle.h"
#include "native_mate/wrappable.h"
namespace IPC {
class Message;
}
namespace mate {
class Event : public Wrappable<Event>, public content::WebContentsObserver {
public:
using MessageSyncCallback = atom::mojom::ElectronBrowser::MessageSyncCallback;
static Handle<Event> Create(v8::Isolate* isolate);
static void BuildPrototype(v8::Isolate* isolate,
v8::Local<v8::FunctionTemplate> prototype);
// Pass the sender and message to be replied.
void SetSenderAndMessage(content::RenderFrameHost* sender,
base::Optional<MessageSyncCallback> callback);
// event.PreventDefault().
void PreventDefault(v8::Isolate* isolate);
// event.sendReply(value), used for replying to synchronous messages and
// `invoke` calls.
bool SendReply(const base::Value& result);
protected:
explicit Event(v8::Isolate* isolate);
~Event() override;
// content::WebContentsObserver implementations:
void RenderFrameDeleted(content::RenderFrameHost* rfh) override;
void RenderFrameHostChanged(content::RenderFrameHost* old_rfh,
content::RenderFrameHost* new_rfh) override;
void FrameDeleted(content::RenderFrameHost* rfh) override;
private:
// Replyer for the synchronous messages.
content::RenderFrameHost* sender_ = nullptr;
base::Optional<MessageSyncCallback> callback_;
DISALLOW_COPY_AND_ASSIGN(Event);
};
} // namespace mate
#endif // ATOM_BROWSER_API_EVENT_H_