1a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved.
290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// found in the LICENSE file.
490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
5a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "components/keyed_service/content/refcounted_browser_context_keyed_service_factory.h"
690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include "base/logging.h"
890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include "base/stl_util.h"
9a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "components/keyed_service/content/refcounted_browser_context_keyed_service.h"
10a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "components/keyed_service/core/keyed_service.h"
1190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#include "content/public/browser/browser_context.h"
1290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
1390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void RefcountedBrowserContextKeyedServiceFactory::SetTestingFactory(
1490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    content::BrowserContext* context,
15a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)    TestingFactoryFunction testing_factory) {
1690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // Destroying the context may cause us to lose data about whether |context|
1790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // has our preferences registered on it (since the context object itself
1890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // isn't dead). See if we need to readd it once we've gone through normal
1990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // destruction.
2090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  bool add_context = ArePreferencesSetOn(context);
2190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
2290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // We have to go through the shutdown and destroy mechanisms because there
2390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // are unit tests that create a service on a context and then change the
2490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // testing service mid-test.
2590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  BrowserContextShutdown(context);
2690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  BrowserContextDestroyed(context);
2790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
2890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  if (add_context)
2990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    MarkPreferencesSetOn(context);
3090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
31a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)  testing_factories_[context] = testing_factory;
3290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)}
3390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
3490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)scoped_refptr<RefcountedBrowserContextKeyedService>
3590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)RefcountedBrowserContextKeyedServiceFactory::SetTestingFactoryAndUse(
3690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    content::BrowserContext* context,
37a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)    TestingFactoryFunction testing_factory) {
38a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)  DCHECK(testing_factory);
39a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)  SetTestingFactory(context, testing_factory);
4090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  return GetServiceForBrowserContext(context, true);
4190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)}
4290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
4390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)RefcountedBrowserContextKeyedServiceFactory::
44a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    RefcountedBrowserContextKeyedServiceFactory(
45a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)        const char* name,
46a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)        BrowserContextDependencyManager* manager)
47a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    : BrowserContextKeyedBaseFactory(name, manager) {}
4890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
4990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)RefcountedBrowserContextKeyedServiceFactory::
50a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)    ~RefcountedBrowserContextKeyedServiceFactory() {
5190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  DCHECK(mapping_.empty());
5290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)}
5390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
5490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)scoped_refptr<RefcountedBrowserContextKeyedService>
5590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)RefcountedBrowserContextKeyedServiceFactory::GetServiceForBrowserContext(
5690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    content::BrowserContext* context,
5790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    bool create) {
5890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  context = GetBrowserContextToUse(context);
5990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  if (!context)
6090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    return NULL;
6190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
6290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // NOTE: If you modify any of the logic below, make sure to update the
6390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // non-refcounted version in context_keyed_service_factory.cc!
6490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  RefCountedStorage::const_iterator it = mapping_.find(context);
6590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  if (it != mapping_.end())
6690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    return it->second;
6790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
6890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // Object not found.
6990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  if (!create)
7090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    return NULL;  // And we're forbidden from creating one.
7190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
7290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // Create new object.
7390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // Check to see if we have a per-BrowserContext testing factory that we should
7490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // use instead of default behavior.
7590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  scoped_refptr<RefcountedBrowserContextKeyedService> service;
76a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)  BrowserContextOverriddenTestingFunctions::const_iterator jt =
77a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)      testing_factories_.find(context);
78a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)  if (jt != testing_factories_.end()) {
7990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    if (jt->second) {
8090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)      if (!context->IsOffTheRecord())
81a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)        RegisterUserPrefsOnBrowserContextForTest(context);
8290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)      service = jt->second(context);
8390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    }
8490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  } else {
8590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    service = BuildServiceInstanceFor(context);
8690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  }
8790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
8890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  Associate(context, service);
8990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  return service;
9090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)}
9190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
9290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void RefcountedBrowserContextKeyedServiceFactory::Associate(
9390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    content::BrowserContext* context,
9490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    const scoped_refptr<RefcountedBrowserContextKeyedService>& service) {
9590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  DCHECK(!ContainsKey(mapping_, context));
9690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  mapping_.insert(std::make_pair(context, service));
9790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)}
9890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
9990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void RefcountedBrowserContextKeyedServiceFactory::BrowserContextShutdown(
10090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    content::BrowserContext* context) {
10190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  RefCountedStorage::iterator it = mapping_.find(context);
102868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)  if (it != mapping_.end() && it->second.get())
10390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    it->second->ShutdownOnUIThread();
10490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)}
10590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
10690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void RefcountedBrowserContextKeyedServiceFactory::BrowserContextDestroyed(
10790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    content::BrowserContext* context) {
10890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // We "merely" drop our reference to the service. Hopefully this will cause
10990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // the service to be destroyed. If not, oh well.
11090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  mapping_.erase(context);
11190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
11290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // For unit tests, we also remove the factory function both so we don't
11390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // maintain a big map of dead pointers, but also since we may have a second
11490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // object that lives at the same address (see other comments about unit tests
11590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // in this file).
116a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)  testing_factories_.erase(context);
11790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
11890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  BrowserContextKeyedBaseFactory::BrowserContextDestroyed(context);
11990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)}
12090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
12190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void RefcountedBrowserContextKeyedServiceFactory::SetEmptyTestingFactory(
12290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    content::BrowserContext* context) {
12390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  SetTestingFactory(context, NULL);
12490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)}
12590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
126116680a4aac90f2aa7413d9095a592090648e557Ben Murdochbool RefcountedBrowserContextKeyedServiceFactory::HasTestingFactory(
127116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch    content::BrowserContext* context) {
128116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch  return testing_factories_.find(context) != testing_factories_.end();
129116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch}
130116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch
13190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void RefcountedBrowserContextKeyedServiceFactory::CreateServiceNow(
13290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)    content::BrowserContext* context) {
13390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  GetServiceForBrowserContext(context, true);
13490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)}
135