Implement chrome://crashes

chrome/browser/crash_upload_list.cc

+// 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.
+
+#include "chrome/browser/crash_upload_list.h"
+
+#include "base/path_service.h"
+#include "base/file_path.h"
+#include "base/file_util.h"
+#include "base/string_number_conversions.h"
+#include "base/string_split.h"
+#include "chrome/browser/browser_thread.h"
+#include "chrome/common/chrome_paths.h"
+
+
+CrashUploadList::CrashInfo::CrashInfo(const std::string& c, const base::Time& t)
+    : crash_id(c), crash_time(t) {}
+
+CrashUploadList::CrashInfo::~CrashInfo() {}
+
+CrashUploadList::CrashUploadList(Delegate* delegate) : delegate_(delegate) {}
+
+CrashUploadList::~CrashUploadList() {}
+
+void CrashUploadList::LoadCrashListAsynchronously() {
+  BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
+      NewRunnableMethod(this, &CrashUploadList::LoadUploadLog));
+}
+
+void CrashUploadList::ClearDelegate() {
+  delegate_ = NULL;
+}
+
+void CrashUploadList::LoadUploadLog() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+  FilePath crash_dir_path;
+  PathService::Get(chrome::DIR_CRASH_DUMPS, &crash_dir_path);
+  FilePath upload_log_path = crash_dir_path.AppendASCII("uploads.log");
+  if (file_util::PathExists(upload_log_path)) {
+    std::string contents;
+    file_util::ReadFileToString(upload_log_path, &contents);
+    base::SplitStringAlongWhitespace(contents, &log_entries_);
+  }
+  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
+      NewRunnableMethod(this, &CrashUploadList::InformDelegateOfCompletion));
+}
+
+void CrashUploadList::InformDelegateOfCompletion() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  if (delegate_)
+    delegate_->OnCrashListAvailable();
+}
+
+void CrashUploadList::GetUploadedCrashes(unsigned int max_count,
+                                         std::vector<CrashInfo>* crashes) {
+  std::vector<std::string>::reverse_iterator i;
+  for (i = log_entries_.rbegin(); i != log_entries_.rend(); ++i) {
+    std::vector<std::string> components;
+    base::SplitString(*i, ',', &components);
+    // Skip any blank (or corrupted) lines.
+    if (components.size() != 2)
+      continue;
+    double seconds_since_epoch;
+    if (!base::StringToDouble(components[0], &seconds_since_epoch))
+      continue;
+    CrashInfo info(components[1], base::Time::FromDoubleT(seconds_since_epoch));
+    crashes->push_back(info);
+  }
+}