0427

wumu

2025-04-27 20ffcfb5507daf34f81346ca3dfa4c031e7b2fe3

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// Copyright 2015 PDFium 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 TESTING_EMBEDDER_TEST_TIMER_HANDLING_DELEGATE_H_
#define TESTING_EMBEDDER_TEST_TIMER_HANDLING_DELEGATE_H_
 
#include <map>
#include <string>
#include <utility>
#include <vector>
 
#include "testing/embedder_test.h"
#include "testing/test_support.h"
 
class EmbedderTestTimerHandlingDelegate : public EmbedderTest::Delegate {
 public:
  struct ReceivedAlert {
    ReceivedAlert(FPDF_WIDESTRING message_in,
                  FPDF_WIDESTRING title_in,
                  int type_in,
                  int icon_in)
        : type(type_in), icon(icon_in) {
      message = GetPlatformWString(message_in);
      title = GetPlatformWString(title_in);
    }
 
    std::wstring message;
    std::wstring title;
    int type;
    int icon;
  };
 
  int Alert(FPDF_WIDESTRING message,
            FPDF_WIDESTRING title,
            int type,
            int icon) override {
    alerts_.push_back(ReceivedAlert(message, title, type, icon));
    return 0;
  }
 
  int SetTimer(int msecs, TimerCallback fn) override {
    expiry_to_timer_map_.insert(std::pair<int, Timer>(
        msecs + imaginary_elapsed_msecs_, Timer(++next_timer_id_, fn)));
    return next_timer_id_;
  }
 
  void KillTimer(int id) override {
    for (auto iter = expiry_to_timer_map_.begin();
         iter != expiry_to_timer_map_.end(); ++iter) {
      if (iter->second.first == id) {
        expiry_to_timer_map_.erase(iter);
        break;
      }
    }
  }
 
  void AdvanceTime(int increment_msecs) {
    imaginary_elapsed_msecs_ += increment_msecs;
    while (1) {
      auto iter = expiry_to_timer_map_.begin();
      if (iter == expiry_to_timer_map_.end()) {
        break;
      }
      Timer t = iter->second;
      if (t.first > imaginary_elapsed_msecs_) {
        break;
      }
      expiry_to_timer_map_.erase(iter);
      t.second(t.first);  // Fire timer.
    }
  }
 
  const std::vector<ReceivedAlert>& GetAlerts() const { return alerts_; }
 
 protected:
  using Timer = std::pair<int, TimerCallback>;     // ID, callback pair.
  std::multimap<int, Timer> expiry_to_timer_map_;  // Keyed by timeout.
  int next_timer_id_ = 0;
  int imaginary_elapsed_msecs_ = 0;
  std::vector<ReceivedAlert> alerts_;
};
 
#endif  // TESTING_EMBEDDER_TEST_TIMER_HANDLING_DELEGATE_H_