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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_BROWSER_ANDROID_TRACING_CONTROLLER_ANDROID_H_
      6 #define CONTENT_BROWSER_ANDROID_TRACING_CONTROLLER_ANDROID_H_
      7 
      8 #include <set>
      9 
     10 #include "base/android/jni_weak_ref.h"
     11 #include "base/files/file_path.h"
     12 #include "base/memory/weak_ptr.h"
     13 
     14 namespace content {
     15 
     16 // This class implements the native methods of TracingControllerAndroid.java
     17 class TracingControllerAndroid {
     18  public:
     19   TracingControllerAndroid(JNIEnv* env, jobject obj);
     20   void Destroy(JNIEnv* env, jobject obj);
     21 
     22   bool StartTracing(JNIEnv* env,
     23                     jobject obj,
     24                     jstring categories,
     25                     jstring trace_options);
     26   void StopTracing(JNIEnv* env, jobject obj, jstring jfilepath);
     27   bool GetKnownCategoryGroupsAsync(JNIEnv* env, jobject obj);
     28   static void GenerateTracingFilePath(base::FilePath* file_path);
     29 
     30  private:
     31   ~TracingControllerAndroid();
     32   void OnTracingStopped();
     33   void OnKnownCategoriesReceived(
     34       const std::set<std::string>& categories_received);
     35 
     36   JavaObjectWeakGlobalRef weak_java_object_;
     37   base::WeakPtrFactory<TracingControllerAndroid> weak_factory_;
     38 
     39   DISALLOW_COPY_AND_ASSIGN(TracingControllerAndroid);
     40 };
     41 
     42 // Register this class's native methods through jni.
     43 bool RegisterTracingControllerAndroid(JNIEnv* env);
     44 
     45 }  // namespace content
     46 
     47 #endif  // CONTENT_BROWSER_ANDROID_TRACING_CONTROLLER_ANDROID_H_
     48