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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.
#include "chrome/browser/task_manager/task_manager_tester.h"
#include <memory>
#include <string_view>
#include "base/memory/ptr_util.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/task_manager/task_manager_interface.h"
#include "chrome/browser/ui/browser_dialogs.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/grit/generated_resources.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/models/table_model_observer.h"
namespace task_manager {
// Temporarily intercepts the calls between a TableModel and its Observer,
// running |callback| whenever anything happens.
class ScopedInterceptTableModelObserver : public ui::TableModelObserver {
public:
ScopedInterceptTableModelObserver(
ui::TableModel* model_to_intercept,
ui::TableModelObserver* real_table_model_observer,
const base::RepeatingClosure& callback)
: model_to_intercept_(model_to_intercept),
real_table_model_observer_(real_table_model_observer),
callback_(callback) {
model_to_intercept_->SetObserver(this);
}
~ScopedInterceptTableModelObserver() override {
model_to_intercept_->SetObserver(real_table_model_observer_);
}
// ui::TableModelObserver:
void OnModelChanged() override {
real_table_model_observer_->OnModelChanged();
callback_.Run();
}
void OnItemsChanged(size_t start, size_t length) override {
real_table_model_observer_->OnItemsChanged(start, length);
callback_.Run();
}
void OnItemsAdded(size_t start, size_t length) override {
real_table_model_observer_->OnItemsAdded(start, length);
callback_.Run();
}
void OnItemsRemoved(size_t start, size_t length) override {
real_table_model_observer_->OnItemsRemoved(start, length);
callback_.Run();
}
private:
raw_ptr<ui::TableModel> model_to_intercept_;
raw_ptr<ui::TableModelObserver> real_table_model_observer_;
base::RepeatingClosure callback_;
};
namespace {
// Returns the TaskManagerTableModel for the the visible NewTaskManagerView.
TaskManagerTableModel* GetRealModel() {
return chrome::ShowTaskManager(nullptr);
}
} // namespace
TaskManagerTester::TaskManagerTester(
const base::RepeatingClosure& on_resource_change)
: model_(GetRealModel()) {
// Eavesdrop the model->view conversation, since the model only supports
// single observation.
if (!on_resource_change.is_null()) {
interceptor_ = std::make_unique<ScopedInterceptTableModelObserver>(
model_, model_->table_model_observer_, on_resource_change);
}
}
TaskManagerTester::~TaskManagerTester() {
CHECK_EQ(GetRealModel(), model_) << "Task Manager should not be hidden "
"while TaskManagerTester is alive. "
"This indicates a test bug.";
}
// TaskManagerTester:
size_t TaskManagerTester::GetRowCount() {
return model_->RowCount();
}
std::u16string TaskManagerTester::GetRowTitle(size_t row) {
return model_->GetText(row, IDS_TASK_MANAGER_TASK_COLUMN);
}
void TaskManagerTester::ToggleColumnVisibility(ColumnSpecifier column) {
int column_id = 0;
switch (column) {
case ColumnSpecifier::COLUMN_NONE:
return;
case ColumnSpecifier::PROCESS_ID:
column_id = IDS_TASK_MANAGER_PROCESS_ID_COLUMN;
break;
case ColumnSpecifier::MEMORY_FOOTPRINT:
column_id = IDS_TASK_MANAGER_MEM_FOOTPRINT_COLUMN;
break;
case ColumnSpecifier::SQLITE_MEMORY_USED:
column_id = IDS_TASK_MANAGER_SQLITE_MEMORY_USED_COLUMN;
break;
case ColumnSpecifier::V8_MEMORY_USED:
case ColumnSpecifier::V8_MEMORY:
column_id = IDS_TASK_MANAGER_JAVASCRIPT_MEMORY_ALLOCATED_COLUMN;
break;
case ColumnSpecifier::IDLE_WAKEUPS:
column_id = IDS_TASK_MANAGER_IDLE_WAKEUPS_COLUMN;
break;
case ColumnSpecifier::TOTAL_NETWORK_USE:
case ColumnSpecifier::NETWORK_USE:
column_id = IDS_TASK_MANAGER_NET_COLUMN;
break;
}
model_->ToggleColumnVisibility(column_id);
}
int64_t TaskManagerTester::GetColumnValue(ColumnSpecifier column, size_t row) {
TaskId task_id = model_->tasks_[row];
int64_t value = 0;
int64_t ignored = 0;
bool success = false;
switch (column) {
case ColumnSpecifier::COLUMN_NONE:
break;
case ColumnSpecifier::MEMORY_FOOTPRINT:
value = task_manager()->GetMemoryFootprintUsage(task_id);
success = true;
break;
case ColumnSpecifier::PROCESS_ID:
value = static_cast<int64_t>(task_manager()->GetProcessId(task_id));
success = true;
break;
case ColumnSpecifier::V8_MEMORY:
success = task_manager()->GetV8Memory(task_id, &value, &ignored);
break;
case ColumnSpecifier::V8_MEMORY_USED:
success = task_manager()->GetV8Memory(task_id, &ignored, &value);
break;
case ColumnSpecifier::SQLITE_MEMORY_USED:
value = task_manager()->GetSqliteMemoryUsed(task_id);
success = true;
break;
case ColumnSpecifier::IDLE_WAKEUPS:
value = task_manager()->GetIdleWakeupsPerSecond(task_id);
success = true;
break;
case ColumnSpecifier::NETWORK_USE:
value = task_manager()->GetNetworkUsage(task_id);
success = true;
break;
case ColumnSpecifier::TOTAL_NETWORK_USE:
value = task_manager()->GetCumulativeNetworkUsage(task_id);
success = true;
break;
}
if (!success)
return 0;
return value;
}
SessionID TaskManagerTester::GetTabId(size_t row) {
TaskId task_id = model_->tasks_[row];
return task_manager()->GetTabId(task_id);
}
void TaskManagerTester::Kill(size_t row) {
model_->KillTask(row);
}
void TaskManagerTester::Activate(size_t row) {
model_->ActivateTask(row);
}
void TaskManagerTester::GetRowsGroupRange(size_t row,
size_t* out_start,
size_t* out_length) {
return model_->GetRowsGroupRange(row, out_start, out_length);
}
std::vector<std::u16string> TaskManagerTester::GetWebContentsTaskTitles() {
std::vector<std::u16string> titles;
titles.reserve(GetRowCount());
for (size_t row = 0; row < GetRowCount(); row++) {
// Exclude tasks which are not associated with a WebContents.
if (GetTabId(row) != SessionID::InvalidValue())
titles.push_back(GetRowTitle(row));
}
return titles;
}
bool TaskManagerTester::UpdateModel(const DisplayCategory display_category,
std::u16string_view search_term) {
return model_->UpdateModel(display_category, search_term);
}
TaskManagerInterface* TaskManagerTester::task_manager() {
return model_->observed_task_manager();
}
// static
std::unique_ptr<TaskManagerTester> TaskManagerTester::Create(
const base::RepeatingClosure& callback) {
return base::WrapUnique(new TaskManagerTester(callback));
}
} // namespace task_manager
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