WebKit/chromium/src/WebGeolocationServiceBridgeImpl.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/chromium/src/WebGeolocationServiceBridgeImpl.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,181 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "WebGeolocationServiceBridgeImpl.h"
+
+#include "Chrome.h"
+#include "ChromeClientImpl.h"
+#include "Frame.h"
+#include "Geolocation.h"
+#include "GeolocationServiceChromium.h"
+#include "Geoposition.h"
+#include "Page.h"
+#include "PositionError.h"
+#include "PositionOptions.h"
+#include "WebFrame.h"
+#include "WebFrameImpl.h"
+#include "WebGeolocationService.h"
+#include "WebGeolocationServiceBridge.h"
+#include "WebViewClient.h"
+#include "WebViewImpl.h"
+
+#if ENABLE(GEOLOCATION)
+
+using WebCore::Coordinates;
+using WebCore::Frame;
+using WebCore::Geolocation;
+using WebCore::GeolocationServiceBridge;
+using WebCore::GeolocationServiceChromium;
+using WebCore::GeolocationServiceClient;
+using WebCore::Geoposition;
+using WebCore::PositionError;
+using WebCore::PositionOptions;
+using WebCore::String;
+
+namespace WebKit {
+
+class WebGeolocationServiceBridgeImpl : public GeolocationServiceBridge, public WebGeolocationServiceBridge {
+public:
+    explicit WebGeolocationServiceBridgeImpl(GeolocationServiceChromium*);
+    virtual ~WebGeolocationServiceBridgeImpl();
+
+    // GeolocationServiceBridge
+    virtual bool startUpdating(PositionOptions*);
+    virtual void stopUpdating();
+    virtual void suspend();
+    virtual void resume();
+    virtual int getBridgeId() const;
+    virtual void attachBridgeIfNeeded();
+
+    // WebGeolocationServiceBridge
+    virtual void setIsAllowed(bool allowed);
+    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);
+    virtual void setLastError(int errorCode, const WebString& message);
+
+private:
+    WebViewClient* getWebViewClient();
+
+    // GeolocationServiceChromium owns us, we only have a pointer back to it.
+    GeolocationServiceChromium* m_GeolocationServiceChromium;
+    int m_bridgeId;
+};
+
+GeolocationServiceBridge* createGeolocationServiceBridgeImpl(GeolocationServiceChromium* geolocationServiceChromium)
+{
+    return new WebGeolocationServiceBridgeImpl(geolocationServiceChromium);
+}
+
+WebGeolocationServiceBridgeImpl::WebGeolocationServiceBridgeImpl(GeolocationServiceChromium* geolocationServiceChromium)
+    : m_GeolocationServiceChromium(geolocationServiceChromium)
+    , m_bridgeId(0)
+{
+}
+
+WebGeolocationServiceBridgeImpl::~WebGeolocationServiceBridgeImpl()
+{
+    WebKit::WebViewClient* webViewClient = getWebViewClient();
+    // Geolocation has an OwnPtr to us, and it's destroyed after the frame has
+    // been potentially disconnected. In this case, it calls stopUpdating()
+    // has been called and we have already detached ourselves.
+    if (!webViewClient)
+        ASSERT(!m_bridgeId);
+    else if (m_bridgeId)
+        webViewClient->geolocationService()->detachBridge(m_bridgeId);
+}
+
+bool WebGeolocationServiceBridgeImpl::startUpdating(PositionOptions* positionOptions)
+{
+    attachBridgeIfNeeded();
+    getWebViewClient()->geolocationService()->startUpdating(m_bridgeId, m_GeolocationServiceChromium->frame()->document()->url(), positionOptions->enableHighAccuracy());
+    return true;
+}
+
+void WebGeolocationServiceBridgeImpl::stopUpdating()
+{
+    WebViewClient* webViewClient = getWebViewClient();
+    if (m_bridgeId && webViewClient) {
+        WebGeolocationService* geolocationService = webViewClient->geolocationService();
+        geolocationService->stopUpdating(m_bridgeId);
+        geolocationService->detachBridge(m_bridgeId);
+    }
+    m_bridgeId = 0;
+}
+
+void WebGeolocationServiceBridgeImpl::suspend()
+{
+    getWebViewClient()->geolocationService()->suspend(m_bridgeId);
+}
+
+void WebGeolocationServiceBridgeImpl::resume()
+{
+    getWebViewClient()->geolocationService()->resume(m_bridgeId);
+}
+
+int WebGeolocationServiceBridgeImpl::getBridgeId() const
+{
+    return m_bridgeId;
+}
+
+void WebGeolocationServiceBridgeImpl::attachBridgeIfNeeded()
+{
+    if (!m_bridgeId)
+        m_bridgeId = getWebViewClient()->geolocationService()->attachBridge(this);
+}
+
+void WebGeolocationServiceBridgeImpl::setIsAllowed(bool allowed)
+{
+    m_GeolocationServiceChromium->setIsAllowed(allowed);
+}
+
+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)
+{
+    RefPtr<Geoposition> geoposition = Geoposition::create(Coordinates::create(latitude, longitude, providesAltitude, altitude, accuracy, providesAltitudeAccuracy, altitudeAccuracy, providesHeading, heading, providesSpeed, speed), timestamp);
+    m_GeolocationServiceChromium->setLastPosition(geoposition);
+}
+
+void WebGeolocationServiceBridgeImpl::setLastError(int errorCode, const WebString& message)
+{
+    m_GeolocationServiceChromium->setLastError(errorCode, message);
+}
+
+WebViewClient* WebGeolocationServiceBridgeImpl::getWebViewClient()
+{
+    Frame* frame = m_GeolocationServiceChromium->frame();
+    if (!frame || !frame->page())
+        return 0;
+    WebKit::ChromeClientImpl* chromeClientImpl = static_cast<WebKit::ChromeClientImpl*>(frame->page()->chrome()->client());
+    WebKit::WebViewClient* webViewClient = chromeClientImpl->webView()->client();
+    return webViewClient;
+}
+
+} // namespace WebKit
+
+#endif // ENABLE(GEOLOCATION)