Add chrome to the repository.

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

1 files changed, 81 insertions, 0 deletions

diff --git a/chrome/browser/navigation_performance_viewer.h b/chrome/browser/navigation_performance_viewer.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.
+//
+// NavigationPerformanceViewer retrieves performance data collected in
+// NavigationProfiler and generates reports.
+// Depending on the configuration, NavigationPerformanceViewer can write
+// the performance report to a log file, to "about:network" tab, or display
+// it through graphic UI.
+
+#ifndef CHROME_NAVIGATION_PERFORMANCE_VIEWER_H__
+#define CHROME_NAVIGATION_PERFORMANCE_VIEWER_H__
+
+#include <list>
+
+#include "chrome/browser/navigation_profiler.h"
+#include "chrome/browser/page_load_tracker.h"
+#include "net/url_request/url_request_job_tracker.h"
+
+class NavigationPerformanceViewer {
+ public:
+  explicit NavigationPerformanceViewer(int session_id);
+  virtual ~NavigationPerformanceViewer();
+
+  // Add a new PageLoadTracker to the page list.
+  // The NavigationPerformanceViewer owns the PageLoadTracker from now on.
+  void AddPage(PageLoadTracker* page);
+
+  // Get a reference to the PageLoadTracker with given index.
+  PageLoadTracker* GetPageReference(uint32 index);
+
+  // Get the total number of pages in the list
+  int GetSize();
+
+  // Reset the page list
+  void Reset();
+
+  // Append the text report of the page list to the input string.
+  void AppendText(std::wstring* text);
+
+  int session_id() const { return session_id_; }
+
+ private:
+
+  // List of PageLoadTrackers that record performance measurement of page
+  // navigations.
+  NavigationProfiler::PageTrackerVector page_list_;
+
+  // The unique ID of the profiling session when the performance data in page
+  // list is collected.
+  int session_id_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(NavigationPerformanceViewer);
+};
+
+#endif  // #ifndef CHROME_NAVIGATION_PERFORMANCE_VIEWER_H__