Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 83 insertions, 0 deletions

diff --git a/chrome/browser/chrome_plugin_browsing_context.h b/chrome/browser/chrome_plugin_browsing_context.h
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+// Copyright 2008, 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.
+
+#ifndef CHROME_BROWSER_CHROME_PLUGIN_BROWSING_CONTEXT_H__
+#define CHROME_BROWSER_CHROME_PLUGIN_BROWSING_CONTEXT_H__
+
+#include <map>
+
+#include "base/id_map.h"
+#include "chrome/common/chrome_plugin_api.h"
+#include "chrome/common/notification_service.h"
+
+class URLRequestContext;
+
+// This class manages the mapping between CPBrowsingContexts and
+// URLRequestContexts.  It observes when URLRequestContexts go away, and
+// invalidates the corresponding CPBrowsingContexts.  CPBrowsingContexts can be
+// associated with other data as well, so there can be multiple ones referring
+// to a given URLRequestContext.
+// Note: This class should be used on the IO thread only.
+class CPBrowsingContextManager : public NotificationObserver {
+ public:
+  static CPBrowsingContextManager* Instance();
+
+  // Note: don't call these directly - use Instance() above.  They are public
+  // so Singleton can access them.
+  CPBrowsingContextManager();
+  ~CPBrowsingContextManager();
+
+  // Generate a new unique CPBrowsingContext ID from the given
+  // URLRequestContext.  Multiple CPBrowsingContexts can map to the same
+  // URLRequestContext.
+  CPBrowsingContext Allocate(URLRequestContext* context);
+
+  // Return the URLRequestContext that this CPBrowsingContext refers to, or NULL
+  // if not found.
+  URLRequestContext* ToURLRequestContext(CPBrowsingContext id);
+
+  // Return a CPBrowsingContext ID that corresponds to the given
+  // URLRequestContext. This function differs from Allocate in that calling
+  // this multiple times with the same argument gives the same ID.
+  CPBrowsingContext Lookup(URLRequestContext* context);
+
+ private:
+  // NotificationObserver
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+  typedef IDMap<URLRequestContext> Map;
+  typedef std::map<URLRequestContext*, CPBrowsingContext> ReverseMap;
+
+  Map map_;  // map of CPBrowsingContext -> URLRequestContext
+  ReverseMap reverse_map_;  // map of URLRequestContext -> CPBrowsingContext
+};
+
+#endif  // CHROME_BROWSER_CHROME_PLUGIN_BROWSING_CONTEXT_H__