Cleanup: MockGeolocationArbitrator for GeolocationProvider tests

content/browser/geolocation/location_arbitrator.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "content/browser/geolocation/location_arbitrator.h"
-
-#include <map>
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "content/public/browser/access_token_store.h"
-#include "content/public/browser/content_browser_client.h"
-#include "content/public/common/content_client.h"
-#include "googleurl/src/gurl.h"
-
-namespace content {
-namespace {
-
-const char* kDefaultNetworkProviderUrl =
-    "https://www.googleapis.com/geolocation/v1/geolocate";
-}  // namespace
-
-// To avoid oscillations, set this to twice the expected update interval of a
-// a GPS-type location provider (in case it misses a beat) plus a little.
-const int64 GeolocationArbitrator::kFixStaleTimeoutMilliseconds =
-    11 * base::Time::kMillisecondsPerSecond;
-
-GeolocationArbitrator::GeolocationArbitrator(
-    GeolocationObserver* observer)
-    : observer_(observer),
-      position_provider_(NULL),
-      is_permission_granted_(false) {
-}
-
-GeolocationArbitrator::~GeolocationArbitrator() {
-}
-
-GURL GeolocationArbitrator::DefaultNetworkProviderURL() {
-  return GURL(kDefaultNetworkProviderUrl);
-}
-
-void GeolocationArbitrator::OnPermissionGranted() {
-  is_permission_granted_ = true;
-  for (ScopedVector<LocationProviderBase>::iterator i = providers_.begin();
-      i != providers_.end(); ++i) {
-    (*i)->OnPermissionGranted();
-  }
-}
-
-void GeolocationArbitrator::StartProviders(
-    const GeolocationObserverOptions& options) {
-  // Stash options as OnAccessTokenStoresLoaded has not yet been called.
-  current_provider_options_ = options;
-  if (providers_.empty()) {
-    DCHECK(DefaultNetworkProviderURL().is_valid());
-    GetAccessTokenStore()->LoadAccessTokens(
-        base::Bind(&GeolocationArbitrator::OnAccessTokenStoresLoaded,
-                   base::Unretained(this)));
-  } else {
-    DoStartProviders();
-  }
-}
-
-void GeolocationArbitrator::DoStartProviders() {
-  for (ScopedVector<LocationProviderBase>::iterator i = providers_.begin();
-       i != providers_.end(); ++i) {
-    (*i)->StartProvider(current_provider_options_.use_high_accuracy);
-  }
-}
-
-void GeolocationArbitrator::StopProviders() {
-  providers_.clear();
-}
-
-void GeolocationArbitrator::OnAccessTokenStoresLoaded(
-    AccessTokenStore::AccessTokenSet access_token_set,
-    net::URLRequestContextGetter* context_getter) {
-  if (!providers_.empty()) {
-    // A second StartProviders() call may have arrived before the first
-    // completed.
-    return;
-  }
-  // If there are no access tokens, boot strap it with the default server URL.
-  if (access_token_set.empty())
-    access_token_set[DefaultNetworkProviderURL()];
-  for (AccessTokenStore::AccessTokenSet::iterator i =
-           access_token_set.begin();
-      i != access_token_set.end(); ++i) {
-    RegisterProvider(
-        NewNetworkLocationProvider(
-            GetAccessTokenStore(), context_getter,
-            i->first, i->second));
-  }
-  RegisterProvider(NewSystemLocationProvider());
-  DoStartProviders();
-}
-
-void GeolocationArbitrator::RegisterProvider(
-    LocationProviderBase* provider) {
-  if (!provider)
-    return;
-  provider->RegisterListener(this);
-  if (is_permission_granted_)
-    provider->OnPermissionGranted();
-  providers_.push_back(provider);
-}
-
-void GeolocationArbitrator::LocationUpdateAvailable(
-    LocationProviderBase* provider) {
-  DCHECK(provider);
-  Geoposition new_position;
-  provider->GetPosition(&new_position);
-  DCHECK(new_position.Validate() ||
-         new_position.error_code != Geoposition::ERROR_CODE_NONE);
-  if (!IsNewPositionBetter(position_, new_position,
-                           provider == position_provider_))
-    return;
-  position_provider_ = provider;
-  position_ = new_position;
-  observer_->OnLocationUpdate(position_);
-}
-
-AccessTokenStore* GeolocationArbitrator::NewAccessTokenStore() {
-  return GetContentClient()->browser()->CreateAccessTokenStore();
-}
-
-AccessTokenStore* GeolocationArbitrator::GetAccessTokenStore() {
-  if (!access_token_store_.get())
-    access_token_store_ = NewAccessTokenStore();
-  return access_token_store_.get();
-}
-
-LocationProviderBase* GeolocationArbitrator::NewNetworkLocationProvider(
-    AccessTokenStore* access_token_store,
-    net::URLRequestContextGetter* context,
-    const GURL& url,
-    const string16& access_token) {
-#if defined(OS_ANDROID)
-  // Android uses its own SystemLocationProvider.
-  return NULL;
-#else
-  return content::NewNetworkLocationProvider(access_token_store, context, url,
-                                             access_token);
-#endif
-}
-
-LocationProviderBase* GeolocationArbitrator::NewSystemLocationProvider() {
-  return content::NewSystemLocationProvider();
-}
-
-base::Time GeolocationArbitrator::GetTimeNow() const {
-  return base::Time::Now();
-}
-
-bool GeolocationArbitrator::IsNewPositionBetter(
-    const Geoposition& old_position, const Geoposition& new_position,
-    bool from_same_provider) const {
-  // Updates location_info if it's better than what we currently have,
-  // or if it's a newer update from the same provider.
-  if (!old_position.Validate()) {
-    // Older location wasn't locked.
-    return true;
-  }
-  if (new_position.Validate()) {
-    // New location is locked, let's check if it's any better.
-    if (old_position.accuracy >= new_position.accuracy) {
-      // Accuracy is better.
-      return true;
-    } else if (from_same_provider) {
-      // Same provider, fresher location.
-      return true;
-    } else if ((GetTimeNow() - old_position.timestamp).InMilliseconds() >
-               kFixStaleTimeoutMilliseconds) {
-      // Existing fix is stale.
-      return true;
-    }
-  }
-  return false;
-}
-
-bool GeolocationArbitrator::HasPermissionBeenGranted() const {
-  return is_permission_granted_;
-}
-
-}  // namespace content