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// Copyright (c) 2010 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.
// This file implements a mock location provider and the factory functions for
// various ways of creating it.
#include "chrome/browser/geolocation/mock_location_provider.h"
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "base/message_loop.h"
#include "base/task.h"
MockLocationProvider* MockLocationProvider::instance_ = NULL;
MockLocationProvider::MockLocationProvider(MockLocationProvider** self_ref)
: state_(STOPPED),
self_ref_(self_ref) {
CHECK(self_ref_);
CHECK(*self_ref_ == NULL);
*self_ref_ = this;
}
MockLocationProvider::~MockLocationProvider() {
CHECK(*self_ref_ == this);
*self_ref_ = NULL;
}
bool MockLocationProvider::StartProvider(bool high_accuracy) {
state_ = high_accuracy ? HIGH_ACCURACY : LOW_ACCURACY;
return true;
}
void MockLocationProvider::StopProvider() {
state_ = STOPPED;
}
void MockLocationProvider::GetPosition(Geoposition* position) {
*position = position_;
}
void MockLocationProvider::OnPermissionGranted(const GURL& requesting_frame) {
permission_granted_url_ = requesting_frame;
}
// Mock location provider that automatically calls back it's client at most
// once, when StartProvider or OnPermissionGranted is called. Use
// |requires_permission_to_start| to select which event triggers the callback.
class AutoMockLocationProvider : public MockLocationProvider {
public:
AutoMockLocationProvider(bool has_valid_location,
bool requires_permission_to_start)
: MockLocationProvider(&instance_),
ALLOW_THIS_IN_INITIALIZER_LIST(task_factory_(this)),
requires_permission_to_start_(requires_permission_to_start),
listeners_updated_(false) {
if (has_valid_location) {
position_.accuracy = 3;
position_.latitude = 4.3;
position_.longitude = -7.8;
position_.timestamp = base::Time::FromDoubleT(4567.8);
} else {
position_.error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
}
}
virtual bool StartProvider(bool high_accuracy) {
MockLocationProvider::StartProvider(high_accuracy);
if (!requires_permission_to_start_) {
UpdateListenersIfNeeded();
}
return true;
}
void OnPermissionGranted(const GURL& requesting_frame) {
MockLocationProvider::OnPermissionGranted(requesting_frame);
if (requires_permission_to_start_) {
UpdateListenersIfNeeded();
}
}
void UpdateListenersIfNeeded() {
if (!listeners_updated_) {
listeners_updated_ = true;
MessageLoop::current()->PostTask(
FROM_HERE, task_factory_.NewRunnableMethod(
&MockLocationProvider::UpdateListeners));
}
}
ScopedRunnableMethodFactory<MockLocationProvider> task_factory_;
const bool requires_permission_to_start_;
bool listeners_updated_;
};
LocationProviderBase* NewMockLocationProvider() {
return new MockLocationProvider(&MockLocationProvider::instance_);
}
LocationProviderBase* NewAutoSuccessMockLocationProvider() {
return new AutoMockLocationProvider(true, false);
}
LocationProviderBase* NewAutoFailMockLocationProvider() {
return new AutoMockLocationProvider(false, false);
}
LocationProviderBase* NewAutoSuccessMockNetworkLocationProvider() {
return new AutoMockLocationProvider(true, true);
}
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