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1 /* |
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2 * Copyright (C) 2010 Google Inc. All rights reserved. |
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3 * |
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4 * Redistribution and use in source and binary forms, with or without |
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5 * modification, are permitted provided that the following conditions are |
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6 * met: |
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7 * |
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8 * * Redistributions of source code must retain the above copyright |
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9 * notice, this list of conditions and the following disclaimer. |
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10 * * Redistributions in binary form must reproduce the above |
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11 * copyright notice, this list of conditions and the following disclaimer |
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12 * in the documentation and/or other materials provided with the |
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13 * distribution. |
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14 * * Neither the name of Google Inc. nor the names of its |
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15 * contributors may be used to endorse or promote products derived from |
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16 * this software without specific prior written permission. |
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17 * |
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18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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29 */ |
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30 |
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31 #include "config.h" |
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32 #include "WebGeolocationServiceBridgeImpl.h" |
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33 |
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34 #include "Chrome.h" |
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35 #include "ChromeClientImpl.h" |
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36 #include "Frame.h" |
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37 #include "Geolocation.h" |
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38 #include "GeolocationServiceChromium.h" |
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39 #include "Geoposition.h" |
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40 #include "Page.h" |
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41 #include "PositionError.h" |
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42 #include "PositionOptions.h" |
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43 #include "WebFrame.h" |
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44 #include "WebFrameImpl.h" |
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45 #include "WebGeolocationService.h" |
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46 #include "WebGeolocationServiceBridge.h" |
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47 #include "WebViewClient.h" |
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48 #include "WebViewImpl.h" |
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49 |
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50 #if ENABLE(GEOLOCATION) |
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51 |
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52 using WebCore::Coordinates; |
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53 using WebCore::Frame; |
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54 using WebCore::Geolocation; |
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55 using WebCore::GeolocationServiceBridge; |
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56 using WebCore::GeolocationServiceChromium; |
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57 using WebCore::GeolocationServiceClient; |
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58 using WebCore::Geoposition; |
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59 using WebCore::PositionError; |
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60 using WebCore::PositionOptions; |
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61 using WebCore::String; |
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62 |
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63 namespace WebKit { |
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64 |
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65 class WebGeolocationServiceBridgeImpl : public GeolocationServiceBridge, public WebGeolocationServiceBridge { |
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66 public: |
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67 explicit WebGeolocationServiceBridgeImpl(GeolocationServiceChromium*); |
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68 virtual ~WebGeolocationServiceBridgeImpl(); |
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69 |
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70 // GeolocationServiceBridge |
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71 virtual bool startUpdating(PositionOptions*); |
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72 virtual void stopUpdating(); |
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73 virtual void suspend(); |
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74 virtual void resume(); |
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75 virtual int getBridgeId() const; |
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76 virtual void attachBridgeIfNeeded(); |
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77 |
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78 // WebGeolocationServiceBridge |
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79 virtual void setIsAllowed(bool allowed); |
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80 virtual void setLastPosition(double latitude, double longitude, bool providesAltitude, double altitude, double accuracy, bool providesAltitudeAccuracy, double altitudeAccuracy, bool providesHeading, double heading, bool providesSpeed, double speed, long long timestamp); |
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81 virtual void setLastError(int errorCode, const WebString& message); |
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82 |
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83 private: |
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84 WebViewClient* getWebViewClient(); |
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85 |
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86 // GeolocationServiceChromium owns us, we only have a pointer back to it. |
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87 GeolocationServiceChromium* m_GeolocationServiceChromium; |
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88 int m_bridgeId; |
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89 }; |
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90 |
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91 GeolocationServiceBridge* createGeolocationServiceBridgeImpl(GeolocationServiceChromium* geolocationServiceChromium) |
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92 { |
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93 return new WebGeolocationServiceBridgeImpl(geolocationServiceChromium); |
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94 } |
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95 |
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96 WebGeolocationServiceBridgeImpl::WebGeolocationServiceBridgeImpl(GeolocationServiceChromium* geolocationServiceChromium) |
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97 : m_GeolocationServiceChromium(geolocationServiceChromium) |
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98 , m_bridgeId(0) |
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99 { |
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100 } |
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101 |
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102 WebGeolocationServiceBridgeImpl::~WebGeolocationServiceBridgeImpl() |
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103 { |
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104 WebKit::WebViewClient* webViewClient = getWebViewClient(); |
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105 // Geolocation has an OwnPtr to us, and it's destroyed after the frame has |
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106 // been potentially disconnected. In this case, it calls stopUpdating() |
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107 // has been called and we have already detached ourselves. |
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108 if (!webViewClient) |
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109 ASSERT(!m_bridgeId); |
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110 else if (m_bridgeId) |
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111 webViewClient->geolocationService()->detachBridge(m_bridgeId); |
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112 } |
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113 |
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114 bool WebGeolocationServiceBridgeImpl::startUpdating(PositionOptions* positionOptions) |
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115 { |
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116 attachBridgeIfNeeded(); |
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117 getWebViewClient()->geolocationService()->startUpdating(m_bridgeId, m_GeolocationServiceChromium->frame()->document()->url(), positionOptions->enableHighAccuracy()); |
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118 return true; |
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119 } |
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120 |
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121 void WebGeolocationServiceBridgeImpl::stopUpdating() |
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122 { |
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123 WebViewClient* webViewClient = getWebViewClient(); |
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124 if (m_bridgeId && webViewClient) { |
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125 WebGeolocationService* geolocationService = webViewClient->geolocationService(); |
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126 geolocationService->stopUpdating(m_bridgeId); |
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127 geolocationService->detachBridge(m_bridgeId); |
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128 } |
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129 m_bridgeId = 0; |
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130 } |
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131 |
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132 void WebGeolocationServiceBridgeImpl::suspend() |
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133 { |
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134 getWebViewClient()->geolocationService()->suspend(m_bridgeId); |
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135 } |
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136 |
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137 void WebGeolocationServiceBridgeImpl::resume() |
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138 { |
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139 getWebViewClient()->geolocationService()->resume(m_bridgeId); |
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140 } |
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141 |
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142 int WebGeolocationServiceBridgeImpl::getBridgeId() const |
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143 { |
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144 return m_bridgeId; |
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145 } |
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146 |
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147 void WebGeolocationServiceBridgeImpl::attachBridgeIfNeeded() |
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148 { |
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149 if (!m_bridgeId) |
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150 m_bridgeId = getWebViewClient()->geolocationService()->attachBridge(this); |
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151 } |
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152 |
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153 void WebGeolocationServiceBridgeImpl::setIsAllowed(bool allowed) |
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154 { |
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155 m_GeolocationServiceChromium->setIsAllowed(allowed); |
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156 } |
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157 |
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158 void WebGeolocationServiceBridgeImpl::setLastPosition(double latitude, double longitude, bool providesAltitude, double altitude, double accuracy, bool providesAltitudeAccuracy, double altitudeAccuracy, bool providesHeading, double heading, bool providesSpeed, double speed, long long timestamp) |
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159 { |
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160 RefPtr<Geoposition> geoposition = Geoposition::create(Coordinates::create(latitude, longitude, providesAltitude, altitude, accuracy, providesAltitudeAccuracy, altitudeAccuracy, providesHeading, heading, providesSpeed, speed), timestamp); |
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161 m_GeolocationServiceChromium->setLastPosition(geoposition); |
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162 } |
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163 |
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164 void WebGeolocationServiceBridgeImpl::setLastError(int errorCode, const WebString& message) |
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165 { |
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166 m_GeolocationServiceChromium->setLastError(errorCode, message); |
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167 } |
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168 |
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169 WebViewClient* WebGeolocationServiceBridgeImpl::getWebViewClient() |
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170 { |
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171 Frame* frame = m_GeolocationServiceChromium->frame(); |
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172 if (!frame || !frame->page()) |
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173 return 0; |
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174 WebKit::ChromeClientImpl* chromeClientImpl = static_cast<WebKit::ChromeClientImpl*>(frame->page()->chrome()->client()); |
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175 WebKit::WebViewClient* webViewClient = chromeClientImpl->webView()->client(); |
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176 return webViewClient; |
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177 } |
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178 |
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179 } // namespace WebKit |
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180 |
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181 #endif // ENABLE(GEOLOCATION) |