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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_OFFLINE_PAGES_TASK_TEST_TASK_H_
#define COMPONENTS_OFFLINE_PAGES_TASK_TEST_TASK_H_
#include "base/memory/raw_ptr.h"
#include "components/offline_pages/task/task.h"
namespace offline_pages {
// Sample resource consumed by the task during execution. In this set of tests
// used to provide the capability to continue the task.
class ConsumedResource {
public:
ConsumedResource();
~ConsumedResource();
void Step(base::OnceClosure step_callback);
void CompleteStep();
bool HasNextStep() const { return !next_step_.is_null(); }
private:
base::OnceClosure next_step_;
};
// Sample test task. This should not be used as a example of task implementation
// with respect to callback safety. Otherwise it captures the idea of splitting
// the work into multiple steps separated by potentially asynchronous calls
// spanning multiple threads.
//
// For an implementation example of a task that covers problems better is
// |offline_pages::ChangeRequestsStateTask|.
class TestTask : public Task {
public:
enum class TaskState { NOT_STARTED, STEP_1, STEP_2, COMPLETED };
explicit TestTask(ConsumedResource* resource);
TestTask(ConsumedResource* resource, bool leave_early);
~TestTask() override;
// Run is Step 1 in our case.
void Run() override;
void Step2();
void LastStep();
TaskState state() const { return state_; }
private:
raw_ptr<ConsumedResource> resource_;
TaskState state_;
bool leave_early_;
};
} // namespace offline_pages
#endif // COMPONENTS_OFFLINE_PAGES_TASK_TEST_TASK_H_
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