components/devtools_discovery/devtools_discovery_manager.h

   1 // Copyright 2015 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 COMPONENTS_DEVTOOLS_DISCOVERY_DEVTOOLS_DISCOVERY_MANAGER_H_
   6 #define COMPONENTS_DEVTOOLS_DISCOVERY_DEVTOOLS_DISCOVERY_MANAGER_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/memory/singleton.h"
  12 #include "components/devtools_discovery/devtools_target_descriptor.h"
  13
  14 namespace devtools_discovery {
  15
  16 class DevToolsDiscoveryManager {
  17  public:
  18   class Provider {
  19    public:
  20     virtual ~Provider() {}
  21
  22     // Caller takes ownership of created descriptors.
  23     virtual DevToolsTargetDescriptor::List GetDescriptors() = 0;
  24   };
  25
  26   using CreateCallback = base::Callback<
  27       scoped_ptr<DevToolsTargetDescriptor>(const GURL& url)>;
  28
  29   // Returns single instance of this class. The instance is destroyed on the
  30   // browser main loop exit so this method MUST NOT be called after that point.
  31   static DevToolsDiscoveryManager* GetInstance();
  32
  33   void AddProvider(scoped_ptr<Provider> provider);
  34   void SetCreateCallback(const CreateCallback& callback);
  35
  36   // Caller takes ownership of created descriptors.
  37   DevToolsTargetDescriptor::List GetDescriptors();
  38   scoped_ptr<DevToolsTargetDescriptor> CreateNew(const GURL& url);
  39
  40  private:
  41   friend struct base::DefaultSingletonTraits<DevToolsDiscoveryManager>;
  42
  43   DevToolsDiscoveryManager();
  44   ~DevToolsDiscoveryManager();
  45   DevToolsTargetDescriptor::List GetDescriptorsFromProviders();
  46
  47   std::vector<Provider*> providers_;
  48   CreateCallback create_callback_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(DevToolsDiscoveryManager);
  51 };
  52
  53 }  // namespace devtools_discovery
  54
  55 #endif  // COMPONENTS_DEVTOOLS_DISCOVERY_DEVTOOLS_DISCOVERY_MANAGER_H_