Add chrome to the repository.

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

1 files changed, 101 insertions, 0 deletions

diff --git a/chrome/browser/chrome_plugin_browsing_context.cc b/chrome/browser/chrome_plugin_browsing_context.cc
new file mode 100644
index 0000000..44bbdaa
--- /dev/null
+++ b/chrome/browser/chrome_plugin_browsing_context.cc
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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.
+
+#include "chrome/browser/chrome_plugin_browsing_context.h"
+
+#include "base/message_loop.h"
+#include "base/singleton.h"
+#include "chrome/browser/chrome_thread.h"
+
+CPBrowsingContextManager* CPBrowsingContextManager::Instance() {
+#ifndef NDEBUG
+  // IO loop is NULL in unit tests.
+  if (ChromeThread::GetMessageLoop(ChromeThread::IO)) {
+    DCHECK(MessageLoop::current() ==
+           ChromeThread::GetMessageLoop(ChromeThread::IO));
+  }
+#endif
+  return Singleton<CPBrowsingContextManager>::get();
+}
+
+CPBrowsingContextManager::CPBrowsingContextManager() {
+  NotificationService::current()->AddObserver(
+      this, NOTIFY_URL_REQUEST_CONTEXT_RELEASED,
+      NotificationService::AllSources());
+}
+
+CPBrowsingContextManager::~CPBrowsingContextManager() {
+  // We don't remove ourselves as an observer because we are a Singleton object,
+  // and NotifcationService is likely gone by this point.
+}
+
+CPBrowsingContext CPBrowsingContextManager::Allocate(
+    URLRequestContext* context) {
+  int32 map_id = map_.Add(context);
+  return static_cast<CPBrowsingContext>(map_id);
+}
+
+URLRequestContext* CPBrowsingContextManager::ToURLRequestContext(
+    CPBrowsingContext id) {
+  return map_.Lookup(static_cast<int32>(id));
+}
+
+CPBrowsingContext CPBrowsingContextManager::Lookup(URLRequestContext* context) {
+  ReverseMap::const_iterator it = reverse_map_.find(context);
+  if (it == reverse_map_.end()) {
+    CPBrowsingContext id = Allocate(context);
+    reverse_map_[context] = id;
+    return id;
+  } else {
+    return it->second;
+  }
+}
+
+void CPBrowsingContextManager::Observe(NotificationType type,
+                                       const NotificationSource& source,
+                                       const NotificationDetails& details) {
+  DCHECK(type == NOTIFY_URL_REQUEST_CONTEXT_RELEASED);
+
+  URLRequestContext* context = Source<URLRequestContext>(source).ptr();
+
+  // Multiple CPBrowsingContexts may refer to the same URLRequestContext.
+  // Remove after collecting all entries, since removing may invalidate
+  // iterators.
+  std::vector<int32> ids_to_remove;
+  for (Map::const_iterator it = map_.begin(); it != map_.end(); ++it) {
+    if (it->second == context)
+      ids_to_remove.push_back(it->first);
+  }
+
+  for (size_t i = 0; i < ids_to_remove.size(); ++i) {
+    map_.Remove(ids_to_remove[i]);
+  }
+
+  reverse_map_.erase(context);
+}
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