1/*
2 * Copyright (C) 2010, 2011, 2012 Research In Motion Limited. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
17 */
18
19#include "config.h"
20#include "GeolocationClientBlackBerry.h"
21
22#include "Chrome.h"
23#include "Frame.h"
24#include "Geolocation.h"
25#include "GeolocationController.h"
26#include "GeolocationError.h"
27#include "GeolocationPosition.h"
28#include "Page.h"
29#include "SecurityOrigin.h"
30#include "WebPage_p.h"
31
32#include <BlackBerryPlatformString.h>
33
34using namespace WebCore;
35
36static String getOrigin(Frame* frame)
37{
38    String origin;
39    SecurityOrigin* securityOrigin = frame->document()->securityOrigin();
40
41    // Special case for file.
42    if (securityOrigin->protocol() == "file")
43        origin = securityOrigin->fileSystemPath();
44    else
45        origin = securityOrigin->toString();
46
47    return origin;
48}
49
50GeolocationClientBlackBerry::GeolocationClientBlackBerry(BlackBerry::WebKit::WebPagePrivate* webPagePrivate)
51    : m_webPagePrivate(webPagePrivate)
52    , m_accuracy(false)
53    , m_isActive(false)
54{
55}
56
57void GeolocationClientBlackBerry::geolocationDestroyed()
58{
59    BlackBerry::Platform::GeolocationHandler::instance()->unregisterFromPermissionTracking(this);
60
61    delete this;
62}
63
64void GeolocationClientBlackBerry::startUpdating()
65{
66    if (!m_isActive)
67        BlackBerry::Platform::GeolocationHandler::instance()->addListener(this);
68    m_isActive = true;
69}
70
71void GeolocationClientBlackBerry::stopUpdating()
72{
73    if (m_isActive)
74        BlackBerry::Platform::GeolocationHandler::instance()->removeListener(this);
75    m_isActive = false;
76}
77
78GeolocationPosition* GeolocationClientBlackBerry::lastPosition()
79{
80    return m_lastPosition.get();
81}
82
83void GeolocationClientBlackBerry::requestPermission(Geolocation* location)
84{
85    Frame* frame = location->frame();
86    if (!frame)
87        return;
88
89    if (!m_webPagePrivate->m_webSettings->isGeolocationEnabled()) {
90        location->setIsAllowed(false);
91        return;
92    }
93
94    const String origin = getOrigin(frame);
95
96    // Special case for documents with the isUnique flag on. (ie. sandboxed iframes)
97    if (origin == "null")
98        location->setIsAllowed(false);
99
100    // Check global location setting, if it is off then we request an infobar that invokes a location settings card.
101    // If it's on, then we request an infobar that allows the site to have permission to use geolocation.
102    if (!BlackBerry::Platform::GeolocationHandler::instance()->isGlobalServiceActive()) {
103        // We only want to ask them once per session. If we get here again, automatically fail the request.
104        if (!BlackBerry::Platform::GeolocationHandler::instance()->didAskUserForGlobalPermission()) {
105            m_webPagePrivate->m_client->requestGlobalLocalServicePermission(this, origin);
106            BlackBerry::Platform::GeolocationHandler::instance()->setAskedUserForGlobalPermission();
107        } else
108            location->setIsAllowed(false);
109        return;
110    }
111
112    // Register the listener with the GeolocationHandler to receive permissions.
113    if (m_geolocationRequestMap.isEmpty())
114        BlackBerry::Platform::GeolocationHandler::instance()->registerPermissionTracking(this);
115
116    // Add this geolocation permission request to our request map.
117    Vector<RefPtr<Geolocation> > geoRequestsForOrigin;
118    HashMap<String, Vector<RefPtr<Geolocation> > >::AddResult result = m_geolocationRequestMap.add(origin, geoRequestsForOrigin);
119    result.iterator->value.append(location);
120
121    // Avoid sending another request if the vector already has another geolocation pending for this origin in this page.
122    if (result.isNewEntry)
123        m_webPagePrivate->m_client->requestGeolocationPermission(this, origin);
124}
125
126void GeolocationClientBlackBerry::cancelPermissionRequest(Geolocation* location)
127{
128    Frame* frame = location->frame();
129    if (!frame)
130        return;
131
132    const String origin = getOrigin(frame);
133
134    // Remove the geolocation from the pending permission map.
135    HashMap<String, Vector<RefPtr<Geolocation> > >::iterator it = m_geolocationRequestMap.find(origin);
136    if (it == m_geolocationRequestMap.end())
137        return;
138
139    Vector<RefPtr<Geolocation> >* result = &(it->value);
140
141    size_t geolocationCount = result->size();
142    for (size_t i = 0; i < geolocationCount; ++i) {
143        if ((*result)[i].get() == location) {
144            result->remove(i);
145            // Remove this vector from the pending permission map is it doesn't contain anymore geo objects
146            if (result->isEmpty())
147                m_geolocationRequestMap.remove(origin);
148            break;
149        }
150    }
151
152    if (m_geolocationRequestMap.isEmpty())
153        BlackBerry::Platform::GeolocationHandler::instance()->unregisterFromPermissionTracking(this);
154
155    m_webPagePrivate->m_client->cancelGeolocationPermission();
156}
157
158void GeolocationClientBlackBerry::onLocationUpdate(double timestamp, double latitude, double longitude, double accuracy, double altitude, bool altitudeValid,
159    double altitudeAccuracy, bool altitudeAccuracyValid, double speed, bool speedValid, double heading, bool headingValid)
160{
161    m_lastPosition = GeolocationPosition::create(timestamp, latitude, longitude, accuracy, altitudeValid, altitude, altitudeAccuracyValid,
162        altitudeAccuracy, headingValid, heading, speedValid, speed);
163    GeolocationController::from(m_webPagePrivate->m_page)->positionChanged(m_lastPosition.get());
164}
165
166void GeolocationClientBlackBerry::onLocationError(const char* errorStr)
167{
168    RefPtr<GeolocationError> error = GeolocationError::create(GeolocationError::PositionUnavailable, String::fromUTF8(errorStr));
169    GeolocationController::from(m_webPagePrivate->m_page)->errorOccurred(error.get());
170}
171
172void GeolocationClientBlackBerry::onPermission(const BlackBerry::Platform::String& origin, bool isAllowed)
173{
174    Vector<RefPtr<Geolocation> > pendingPermissionGeolocation = m_geolocationRequestMap.get(origin);
175
176    if (pendingPermissionGeolocation.isEmpty())
177        return;
178
179    size_t numberOfGeolocations = pendingPermissionGeolocation.size();
180    for (size_t i = 0; i < numberOfGeolocations; ++i)
181        pendingPermissionGeolocation[i]->setIsAllowed(isAllowed);
182    m_geolocationRequestMap.remove(origin);
183
184    if (m_geolocationRequestMap.isEmpty())
185        BlackBerry::Platform::GeolocationHandler::instance()->unregisterFromPermissionTracking(this);
186}
187
188void GeolocationClientBlackBerry::setEnableHighAccuracy(bool newAccuracy)
189{
190    if (m_accuracy != newAccuracy) {
191        m_accuracy = newAccuracy;
192        BlackBerry::Platform::GeolocationHandler::instance()->switchAccuracy(this);
193    }
194}
195
196