Define DevTools content API

content/browser/debugger/devtools_frontend_host.h

+// Copyright (c) 2011 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.
+
+#ifndef CONTENT_BROWSER_DEBUGGER_DEVTOOLS_FRONTEND_HOST_H_
+#define CONTENT_BROWSER_DEBUGGER_DEVTOOLS_FRONTEND_HOST_H_
+#pragma once
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "content/public/browser/devtools_client_host.h"
+#include "content/public/browser/render_view_host_observer.h"
+
+class TabContents;
+
+namespace content {
+
+class DevToolsFrontendHostDelegate;
+
+// This class handles messages from DevToolsClient and calls corresponding
+// methods on DevToolsFrontendHostDelegate which is implemented by the
+// embedder. This allows us to avoid exposing DevTools client messages through
+// the content public API.
+class DevToolsFrontendHost : public DevToolsClientHost,
+                             public RenderViewHostObserver {
+ public:
+  DevToolsFrontendHost(TabContents* tab_contents,
+                       DevToolsFrontendHostDelegate* delegate);
+
+ private:
+  virtual ~DevToolsFrontendHost();
+
+  // DevToolsFrontendHost implementation.
+  virtual void DispatchOnInspectorFrontend(const std::string& message) OVERRIDE;
+  virtual void InspectedTabClosing() OVERRIDE;
+  virtual void FrameNavigating(const std::string& url) OVERRIDE;
+  virtual void TabReplaced(TabContents* new_tab) OVERRIDE;
+
+  // content::RenderViewHostObserver overrides.
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
+  void OnDispatchOnInspectorBackend(const std::string& message);
+  void OnActivateWindow();
+  void OnCloseWindow();
+  void OnMoveWindow(int x, int y);
+  void OnRequestDockWindow();
+  void OnRequestUndockWindow();
+  void OnSaveAs(const std::string& file_name,
+                const std::string& content);
+
+  TabContents* tab_contents_;
+  DevToolsFrontendHostDelegate* delegate_;
+  DISALLOW_COPY_AND_ASSIGN(DevToolsFrontendHost);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_DEBUGGER_DEVTOOLS_FRONTEND_HOST_H_