Add chrome to the repository.

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

1 files changed, 104 insertions, 0 deletions

diff --git a/chrome/browser/history_model.h b/chrome/browser/history_model.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.
+
+// Describes a class that can represent the information displayed in a history
+// view; that is, a list of visited pages.  This object knows how to
+// talk to the HistoryService to update its state.
+
+#ifndef CHROME_BROWSER_HISTORY_MODEL_H__
+#define CHROME_BROWSER_HISTORY_MODEL_H__
+
+#include "chrome/browser/base_history_model.h"
+#include "chrome/common/notification_service.h"
+
+typedef BaseHistoryModelObserver HistoryModelObserver;
+
+class HistoryModel : public BaseHistoryModel,
+                     public NotificationObserver {
+ public:
+  HistoryModel(Profile* profile, const std::wstring& search_text);
+  virtual ~HistoryModel();
+
+  // BaseHistoryModel methods (see BaseHistoryModel for description).
+  virtual int GetItemCount();
+  virtual Time GetVisitTime(int index);
+  virtual const std::wstring& GetTitle(int index);
+  virtual const GURL& GetURL(int index);
+  virtual history::URLID GetURLID(int index);
+  virtual bool IsStarred(int index);
+  virtual const Snippet& GetSnippet(int index);
+  virtual void RemoveFromModel(int start, int length);
+
+  // Sets the new value of the search text, and requeries if the new value
+  // is different from the previous value.
+  virtual void SetSearchText(const std::wstring& search_text);
+
+  // Returns the search text.
+  virtual const std::wstring& GetSearchText() const { return search_text_; }
+
+  // Change the starred state of a given index.
+  virtual void SetPageStarred(int index, bool state);
+
+  // To be called when the user wants to manually refresh this view.
+  virtual void Refresh();
+
+  // NotificationObserver implementation. If the type is NOTIFY_URLS_STARRED,
+  // the model is updated appropriately.
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+ private:
+  // Initiates a request for the current visit list.
+  void InitVisitRequest(int depth);
+
+  // Callback for visited page requests of the history system.
+  void VisitedPagesQueryComplete(HistoryService::Handle request_handle,
+                                 history::QueryResults* results);
+
+  // Sets the starred state of each instance of the given URL in the result set
+  // to the given value. Returns true if anything was updated.
+  bool UpdateStarredStateOfURL(const GURL& url, bool is_starred);
+
+  // The current search string.
+  std::wstring search_text_;
+
+  // Contents of the current query.
+  history::QueryResults results_;
+
+  // How many months back the current query has gone.
+  int search_depth_;
+
+  // The time that the current query was started.
+  Time search_start_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(HistoryModel);
+};
+
+#endif  // CHROME_BROWSER_HISTORY_MODEL_H__