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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/strings/string_piece.h"
#include "content/common/content_export.h"
namespace content {
class RenderFrameHost;
// This class dispatches messages between DevTools frontend and Delegate
// which is implemented by the embedder.
// This allows us to avoid exposing DevTools frontend messages through
// the content public API.
class DevToolsFrontendHost {
// Delegate actually handles messages from frontend.
class Delegate {
virtual ~Delegate() {}
// Message is coming from frontend to the embedder.
virtual void HandleMessageFromDevToolsFrontend(
const std::string& message) = 0;
// Message is coming from frontend to the backend.
// TODO(dgozman): remove this by making one of the possible messages
// passed via the method above.
virtual void HandleMessageFromDevToolsFrontendToBackend(
const std::string& message) = 0;
// Creates a new DevToolsFrontendHost for RenderFrameHost where DevTools
// frontend is loaded.
CONTENT_EXPORT static DevToolsFrontendHost* Create(
RenderFrameHost* frontend_main_frame,
Delegate* delegate);
CONTENT_EXPORT virtual ~DevToolsFrontendHost() {}
CONTENT_EXPORT virtual void BadMessageRecieved() {}
// Returns bundled DevTools frontend resource by |path|. Returns empty string
// if |path| does not correspond to any frontend resource.
CONTENT_EXPORT static base::StringPiece GetFrontendResource(
const std::string& path);
} // namespace content