content/browser/devtools/embedded_worker_devtools_manager.h

   1 // Copyright 2014 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_DEVTOOLS_EMBEDDED_WORKER_DEVTOOLS_MANAGER_H_
   6 #define CONTENT_BROWSER_DEVTOOLS_EMBEDDED_WORKER_DEVTOOLS_MANAGER_H_
   7
   8 #include <map>
   9
  10 #include "base/basictypes.h"
  11 #include "base/gtest_prod_util.h"
  12 #include "base/memory/scoped_vector.h"
  13 #include "base/memory/singleton.h"
  14 #include "base/memory/weak_ptr.h"
  15 #include "base/strings/string16.h"
  16 #include "content/browser/shared_worker/shared_worker_instance.h"
  17 #include "content/common/content_export.h"
  18
  19 namespace content {
  20
  21 class DevToolsAgentHost;
  22 class DevToolsAgentHostImpl;
  23 class EmbeddedWorkerDevToolsAgentHost;
  24 class ServiceWorkerContextCore;
  25
  26 // EmbeddedWorkerDevToolsManager is used instead of WorkerDevToolsManager when
  27 // "enable-embedded-shared-worker" flag is set.
  28 // This class lives on UI thread.
  29 class CONTENT_EXPORT EmbeddedWorkerDevToolsManager {
  30  public:
  31   typedef std::pair<int, int> WorkerId;
  32
  33   class ServiceWorkerIdentifier {
  34    public:
  35     ServiceWorkerIdentifier(
  36         const ServiceWorkerContextCore* context,
  37         base::WeakPtr<ServiceWorkerContextCore> context_weak,
  38         int64 version_id,
  39         const GURL& url);
  40     ServiceWorkerIdentifier(const ServiceWorkerIdentifier& other);
  41     ~ServiceWorkerIdentifier();
  42
  43     bool Matches(const ServiceWorkerIdentifier& other) const;
  44
  45     const ServiceWorkerContextCore* context() const;
  46     base::WeakPtr<ServiceWorkerContextCore> context_weak() const;
  47     int64 version_id() const;
  48     GURL url() const;
  49
  50    private:
  51     const ServiceWorkerContextCore* const context_;
  52     const base::WeakPtr<ServiceWorkerContextCore> context_weak_;
  53     const int64 version_id_;
  54     const GURL url_;
  55   };
  56
  57   // Returns the EmbeddedWorkerDevToolsManager singleton.
  58   static EmbeddedWorkerDevToolsManager* GetInstance();
  59
  60   DevToolsAgentHostImpl* GetDevToolsAgentHostForWorker(int worker_process_id,
  61                                                    int worker_route_id);
  62
  63   std::vector<scoped_refptr<DevToolsAgentHost> > GetOrCreateAllAgentHosts();
  64
  65   // Returns true when the worker must be paused on start because a DevTool
  66   // window for the same former SharedWorkerInstance is still opened.
  67   bool SharedWorkerCreated(int worker_process_id,
  68                            int worker_route_id,
  69                            const SharedWorkerInstance& instance);
  70   // Returns true when the worker must be paused on start because a DevTool
  71   // window for the same former ServiceWorkerIdentifier is still opened or
  72   // debug-on-start is enabled in chrome://serviceworker-internals.
  73   bool ServiceWorkerCreated(int worker_process_id,
  74                             int worker_route_id,
  75                             const ServiceWorkerIdentifier& service_worker_id);
  76   void WorkerReadyForInspection(int worker_process_id, int worker_route_id);
  77   void WorkerDestroyed(int worker_process_id, int worker_route_id);
  78
  79   void set_debug_service_worker_on_start(bool debug_on_start) {
  80     debug_service_worker_on_start_ = debug_on_start;
  81   }
  82   bool debug_service_worker_on_start() const {
  83     return debug_service_worker_on_start_;
  84   }
  85
  86  private:
  87   friend struct DefaultSingletonTraits<EmbeddedWorkerDevToolsManager>;
  88   friend class EmbeddedWorkerDevToolsAgentHost;
  89   friend class EmbeddedWorkerDevToolsManagerTest;
  90   FRIEND_TEST_ALL_PREFIXES(EmbeddedWorkerDevToolsManagerTest, BasicTest);
  91   FRIEND_TEST_ALL_PREFIXES(EmbeddedWorkerDevToolsManagerTest, AttachTest);
  92
  93   typedef std::map<WorkerId, EmbeddedWorkerDevToolsAgentHost*> AgentHostMap;
  94
  95   EmbeddedWorkerDevToolsManager();
  96   virtual ~EmbeddedWorkerDevToolsManager();
  97
  98   void RemoveInspectedWorkerData(WorkerId id);
  99
 100   AgentHostMap::iterator FindExistingSharedWorkerAgentHost(
 101       const SharedWorkerInstance& instance);
 102   AgentHostMap::iterator FindExistingServiceWorkerAgentHost(
 103       const ServiceWorkerIdentifier& service_worker_id);
 104
 105   void WorkerRestarted(const WorkerId& id, const AgentHostMap::iterator& it);
 106
 107   // Resets to its initial state as if newly created.
 108   void ResetForTesting();
 109
 110   AgentHostMap workers_;
 111
 112   bool debug_service_worker_on_start_;
 113
 114   DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerDevToolsManager);
 115 };
 116
 117 }  // namespace content
 118
 119 #endif  // CONTENT_BROWSER_DEVTOOLS_EMBEDDED_WORKER_DEVTOOLS_MANAGER_H_