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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 #include "athena/content/public/app_registry.h"
6 
7 #include "athena/content/app_activity_registry.h"
8 #include "base/logging.h"
9 
10 namespace athena {
11 
12 class AppRegistryImpl : public AppRegistry {
13  public:
14   AppRegistryImpl();
15   virtual ~AppRegistryImpl();
16 
17   // AppRegistry:
18   virtual AppActivityRegistry* GetAppActivityRegistry(
19       const std::string& app_id,
20       content::BrowserContext* browser_context) OVERRIDE;
NumberOfApplications() const21   virtual int NumberOfApplications() const OVERRIDE { return app_list_.size(); }
22 
23  private:
24   virtual void RemoveAppActivityRegistry(
25       AppActivityRegistry* registry) OVERRIDE;
26 
27   std::vector<AppActivityRegistry*> app_list_;
28 
29   DISALLOW_COPY_AND_ASSIGN(AppRegistryImpl);
30 };
31 
32 namespace {
33 
34 AppRegistryImpl* instance = NULL;
35 
36 }  // namespace
37 
AppRegistryImpl()38 AppRegistryImpl::AppRegistryImpl() {
39 }
~AppRegistryImpl()40 AppRegistryImpl::~AppRegistryImpl() {
41   DCHECK(app_list_.empty());
42 }
43 
GetAppActivityRegistry(const std::string & app_id,content::BrowserContext * browser_context)44 AppActivityRegistry* AppRegistryImpl::GetAppActivityRegistry(
45     const std::string& app_id,
46     content::BrowserContext* browser_context) {
47   // Search for an existing proxy.
48   for (std::vector<AppActivityRegistry*>::iterator it = app_list_.begin();
49        it != app_list_.end(); ++it) {
50     if ((*it)->app_id() == app_id &&
51         (*it)->browser_context() == browser_context)
52       return *it;
53   }
54 
55   // Create and return a new application object.
56   AppActivityRegistry* app_activity_registry =
57       new AppActivityRegistry(app_id, browser_context);
58   app_list_.push_back(app_activity_registry);
59   return app_activity_registry;
60 }
61 
RemoveAppActivityRegistry(AppActivityRegistry * registry)62 void AppRegistryImpl::RemoveAppActivityRegistry(AppActivityRegistry* registry) {
63   std::vector<AppActivityRegistry*>::iterator item =
64       std::find(app_list_.begin(), app_list_.end(), registry);
65   CHECK(item != app_list_.end());
66   app_list_.erase(item);
67   delete registry;
68 }
69 
70 // static
Create()71 void AppRegistry::Create() {
72   DCHECK(!instance);
73   instance = new AppRegistryImpl();
74 }
75 
76 // static
Get()77 AppRegistry* AppRegistry::Get() {
78   DCHECK(instance);
79   return instance;
80 }
81 
82 // static
ShutDown()83 void AppRegistry::ShutDown() {
84   DCHECK(instance);
85   delete instance;
86 }
87 
AppRegistry()88 AppRegistry::AppRegistry() {}
89 
~AppRegistry()90 AppRegistry::~AppRegistry() {
91   instance = NULL;
92 }
93 
94 }  // namespace athena
95