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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 CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_TESTER_H_
#define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_TESTER_H_
#include <stdint.h>
#include <memory>
#include <optional>
#include <string>
#include <string_view>
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/task_manager/task_manager_browsertest_util.h"
#include "chrome/browser/ui/task_manager/task_manager_table_model.h"
#include "components/sessions/core/session_id.h"
namespace task_manager {
class ScopedInterceptTableModelObserver;
class TaskManagerInterface;
// An adapter to simplify testing the task manager.
class TaskManagerTester {
public:
using ColumnSpecifier = browsertest_util::ColumnSpecifier;
~TaskManagerTester();
// Creates a TaskManagerTester backed by the current task manager. The task
// manager should already be visible when you call this function.
// |on_resource_change|, if not a null callback, will be invoked when the
// underlying model changes.
static std::unique_ptr<TaskManagerTester> Create(
const base::RepeatingClosure& on_resource_change);
// Get the number of rows currently in the task manager.
size_t GetRowCount();
// Get the title text of a particular |row|.
std::u16string GetRowTitle(size_t row);
// Get the row of the active task, or nullopt if not found.
std::optional<size_t> GetRowForActiveTask();
// Hide or show a column. If a column is not visible its stats are not
// necessarily gathered.
void ToggleColumnVisibility(ColumnSpecifier column);
// Get the value of a column as an int64. Memory values are in bytes.
int64_t GetColumnValue(ColumnSpecifier column, size_t row);
// If |row| is associated with a WebContents, return its SessionID. Otherwise,
// return SessionID::InvalidValue().
SessionID GetTabId(size_t row);
// Kill the process of |row|.
void Kill(size_t row);
// Activate the task of |row|.
void Activate(size_t row);
// Gets the start index and length of the group to which the task at
// |row_index| belongs.
void GetRowsGroupRange(size_t row, size_t* out_start, size_t* out_length);
// Get all task titles associated with a WebContents and return them in a
// vector.
std::vector<std::u16string> GetWebContentsTaskTitles();
// Updates the category and search terms against the real model. It is used to
// test Task Manager's tab switching / searching functionality.
bool UpdateModel(const DisplayCategory display_category,
std::u16string_view search_term);
private:
explicit TaskManagerTester(const base::RepeatingClosure& on_resource_change);
TaskManagerInterface* task_manager();
raw_ptr<TaskManagerTableModel> model_;
std::unique_ptr<ScopedInterceptTableModelObserver> interceptor_;
};
} // namespace task_manager
#endif // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_TESTER_H_
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