Chaos geolocation demo, non-WebKit part.

webkit/chaos/GeolocationPowerbox.h

+#ifndef GeolocationPowerbox_h
+#define GeolocationPowerbox_h
+
+#include <functional>
+#include <map>
+#include <vector>
+#include "googleurl/src/gurl.h"
+
+namespace WebCore {
+class ChaosGeolocation;
+class ChooseGeolocationProvider;
+
+// This class should only be used in the renderer process
+class GeolocationPowerbox {
+ public:
+  static WebCore::ChooseGeolocationProvider *choose(
+      WebCore::ChaosGeolocation *geolocation);
+
+  // FIXME(benl): probably should be a dynamic list some day.
+  // FIXME(benl): move out of this class, since it is shared across
+  // processes.
+  enum ProviderId {
+    NO_PROVIDER_FOUND,  // only used to indicate failure
+    EXACT,
+    CITY,
+    NONE
+  };
+  // FIXME(benl): lazy lazy lazy
+  static const char *decisionAsString(GeolocationPowerbox::ProviderId id) {
+    switch(id) {
+      case EXACT: return "exact location";
+      case CITY: return "rough location";
+      case NONE: return "no location";
+      case NO_PROVIDER_FOUND: return "ARG YOU SHOULD NOT SEE THIS!";
+    }
+    return NULL;
+  }
+};
+
+// This class should only be used in the browser process
+class GeolocationBrowserPowerbox {
+ public:
+  typedef std::pair<GURL, GeolocationPowerbox::ProviderId> DecisionPair;
+
+  void addDecision(const GURL &gurl,
+                   GeolocationPowerbox::ProviderId provider_id) {
+    decisions_[gurl] = provider_id;
+  }
+  void deleteDecision(const GURL &gurl) {
+    decisions_.erase(gurl);
+  }
+  GeolocationPowerbox::ProviderId findDecision(const GURL &gurl) const {
+    GURLMap::const_iterator found = decisions_.find(gurl);
+    if (found == decisions_.end())
+      return GeolocationPowerbox::NO_PROVIDER_FOUND;
+    return found->second;
+  }
+  static const DecisionPair identity(const DecisionPair &pair) {
+    return pair;
+  }
+  std::vector<DecisionPair> decisions() const {
+    std::vector<DecisionPair> result;
+
+    std::transform(decisions_.begin(), decisions_.end(),
+                   std::back_inserter(result), identity);
+    return result;
+  }
+  static const char *decisionAsString(GeolocationPowerbox::ProviderId id) {
+    return GeolocationPowerbox::decisionAsString(id);
+  }
+  static GeolocationBrowserPowerbox powerbox;
+ private:
+  typedef std::map<GURL, GeolocationPowerbox::ProviderId> GURLMap;
+  GURLMap decisions_;
+};
+}  // namespace WebCore
+
+
+#endif  // ndef GeolocationPowerbox_h