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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "ui/base/ime/input_method_log_collector.h" |
| 6 |
| 7 #include <string.h> |
| 8 |
| 9 #include "base/debug/alias.h" |
| 10 #include "base/debug/dump_without_crashing.h" |
| 11 #include "base/macros.h" |
| 12 |
| 13 namespace { |
| 14 |
| 15 const size_t kMaxLogCount = 50; |
| 16 |
| 17 } |
| 18 |
| 19 namespace ui { |
| 20 |
| 21 InputMethodLogCollector::InputMethodLogCollector() {} |
| 22 |
| 23 InputMethodLogCollector::~InputMethodLogCollector() {} |
| 24 |
| 25 void InputMethodLogCollector::AddString(const char* str_val) { |
| 26 if (logs_.size() >= kMaxLogCount) |
| 27 logs_.erase(logs_.begin()); |
| 28 logs_.push_back(str_val); |
| 29 } |
| 30 |
| 31 void InputMethodLogCollector::AddBoolean(bool bool_val) { |
| 32 AddString(bool_val ? "true" : "false"); |
| 33 } |
| 34 |
| 35 void InputMethodLogCollector::DumpLogs() { |
| 36 static int dump_times = 0; |
| 37 if (dump_times > 5) { |
| 38 ClearLogs(); |
| 39 return; |
| 40 } |
| 41 const char* logs_copy[kMaxLogCount]; |
| 42 size_t log_count = logs_.size(); |
| 43 for (size_t i = 0; i < log_count && i < arraysize(logs_copy); ++i) |
| 44 logs_copy[i] = logs_[i]; |
| 45 base::debug::Alias(&log_count); |
| 46 base::debug::Alias(&logs_copy); |
| 47 base::debug::DumpWithoutCrashing(); |
| 48 dump_times++; |
| 49 ClearLogs(); |
| 50 } |
| 51 |
| 52 void InputMethodLogCollector::ClearLogs() { |
| 53 logs_.clear(); |
| 54 } |
| 55 |
| 56 } // namespace ui |
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