browser: add webContents.debugger api

atom/browser/api/atom_api_debugger.h

@@ -0,0 +1,81 @@
+// Copyright (c) 2015 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_ATOM_API_DEBUGGER_H_
+#define ATOM_BROWSER_API_ATOM_API_DEBUGGER_H_
+
+#include <map>
+#include <string>
+
+#include "atom/browser/api/trackable_object.h"
+#include "base/callback.h"
+#include "base/values.h"
+#include "content/public/browser/devtools_agent_host_client.h"
+#include "native_mate/handle.h"
+
+namespace content {
+class DevToolsAgentHost;
+class WebContents;
+}
+
+namespace mate {
+class Arguments;
+}
+
+namespace atom {
+
+namespace api {
+
+class Debugger: public mate::TrackableObject<Debugger>,
+                public content::DevToolsAgentHostClient {
+ public:
+  using ResponseCallback =
+      base::Callback<void(const std::string&, const base::DictionaryValue&)>;
+  using SendCommandCallback =
+      base::Callback<void(const base::DictionaryValue&)>;
+  using DetachCallback = base::Callback<void(const std::string&)>;
+
+  static mate::Handle<Debugger> Create(
+      v8::Isolate* isolate, content::WebContents* web_contents);
+
+  // mate::TrackableObject:
+  static void BuildPrototype(v8::Isolate* isolate,
+                             v8::Local<v8::ObjectTemplate> prototype);
+
+ protected:
+  explicit Debugger(content::WebContents* web_contents);
+  ~Debugger();
+
+  // content::DevToolsAgentHostClient:
+  void AgentHostClosed(content::DevToolsAgentHost* agent_host,
+                       bool replaced_with_another_client) override;
+  void DispatchProtocolMessage(content::DevToolsAgentHost* agent_host,
+                               const std::string& message) override;
+
+ private:
+  using PendingRequestMap = std::map<int, SendCommandCallback>;
+
+  void Attach(mate::Arguments* args);
+  void Detach();
+  void SendCommand(mate::Arguments* args);
+  void OnDetach(const DetachCallback& callback);
+  void OnEvent(const ResponseCallback& callback);
+
+  content::WebContents* web_contents_;  // Weak Reference.
+  scoped_refptr<content::DevToolsAgentHost> agent_host_;
+
+  DetachCallback detach_callback_;
+  ResponseCallback response_callback_;
+
+  PendingRequestMap pending_requests_;
+  int previous_request_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(Debugger);
+};
+
+}  // namespace api
+
+}  // namespace atom
+
+#endif  // ATOM_BROWSER_API_ATOM_API_DEBUGGER_H_