Add chrome to the repository.

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

1 files changed, 88 insertions, 0 deletions

diff --git a/chrome/browser/alternate_nav_url_fetcher.h b/chrome/browser/alternate_nav_url_fetcher.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.
+//
+// TODO describe this file
+
+#ifndef CHROME_BROWSER_ALTERNATE_NAV_URL_FETCHER_H__
+#define CHROME_BROWSER_ALTERNATE_NAV_URL_FETCHER_H__
+
+#include <string>
+
+#include "chrome/browser/url_fetcher.h"
+#include "chrome/common/notification_service.h"
+
+class NavigationController;
+
+class AlternateNavURLFetcher : public NotificationObserver,
+                               public URLFetcher::Delegate {
+ public:
+  enum State {
+    NOT_STARTED,
+    IN_PROGRESS,
+    SUCCEEDED,
+    FAILED,
+  };
+
+  explicit AlternateNavURLFetcher(const std::wstring& alternate_nav_url);
+  virtual ~AlternateNavURLFetcher();
+
+  State state() const { return state_; }
+
+  // Called by the NavigationController when it successfully navigates to the
+  // entry for which the fetcher is looking up an alternative.
+  // NOTE: This can be theoretically called multiple times, if multiple
+  // navigations with the same unique ID succeed.
+  void OnNavigatedToEntry();
+
+  // NotificationObserver
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+  // URLFetcher::Delegate
+  virtual void OnURLFetchComplete(const URLFetcher* source,
+                                  const GURL& url,
+                                  const URLRequestStatus& status,
+                                  int response_code,
+                                  const ResponseCookies& cookies,
+                                  const std::string& data);
+
+ private:
+  void ShowInfobar();
+
+  std::wstring alternate_nav_url_;
+  scoped_ptr<URLFetcher> fetcher_;
+  NavigationController* controller_;
+  State state_;
+  bool navigated_to_entry_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(AlternateNavURLFetcher);
+};
+
+#endif  // CHROME_BROWSER_ALTERNATE_NAV_URL_FETCHER_H__