Implement chrome://crashes

chrome/browser/crash_upload_list.h

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_CRASH_UPLOAD_LIST_H_
+#define CHROME_BROWSER_CRASH_UPLOAD_LIST_H_
+#pragma once
+
+#include "base/ref_counted.h"
+#include "base/time.h"
+
+#include <string>
+#include <vector>
+
+class CrashUploadList : public base::RefCountedThreadSafe<CrashUploadList> {
+ public:
+  struct CrashInfo {
+    CrashInfo(const std::string& c, const base::Time& t);
+    ~CrashInfo();
+
+    std::string crash_id;
+    base::Time crash_time;
+  };
+
+  class Delegate {
+   public:
+    // Invoked when the crash list has been loaded. Will be called on the
+    // UI thread.
+    virtual void OnCrashListAvailable() = 0;
+
+   protected:
+    virtual ~Delegate() {}
+  };
+
+  // Creates a new crash upload list with the given callback delegate.
+  explicit CrashUploadList(Delegate* delegate);
+
+  // Starts loading the crash list. OnCrashListAvailable will be called when
+  // loading is complete.
+  void LoadCrashListAsynchronously();
+
+  // Clears the delegate, so that any outstanding asynchronous load will not
+  // call the delegate on completion.
+  void ClearDelegate();
+
+  // Populates |crashes| with the |max_count| most recent uploaded crashes,
+  // in reverse chronological order.
+  // Must be called only after OnCrashListAvailable has been called.
+  void GetUploadedCrashes(unsigned int max_count,
+                          std::vector<CrashInfo>* crashes);
+
+ private:
+  friend class base::RefCountedThreadSafe<CrashUploadList>;
+  virtual ~CrashUploadList();
+
+  // Reads the upload log and stores the lines in log_entries_.
+  void LoadUploadLog();
+
+  // Calls the delegate's callback method, if there is a delegate.
+  void InformDelegateOfCompletion();
+
+  std::vector<std::string> log_entries_;
+  Delegate* delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(CrashUploadList);
+};
+
+#endif  // CHROME_BROWSER_CRASH_UPLOAD_LIST_H_