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// Copyright 2024 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/permissions/system/system_permission_settings.h"
#include <map>
#include <memory>
#include <utility>
#include "base/auto_reset.h"
#include "base/check.h"
#include "base/check_deref.h"
#include "base/no_destructor.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/global_features.h"
#include "chrome/browser/permissions/system/platform_handle.h"
namespace system_permission_settings {
namespace {
PlatformHandle* instance_for_testing_ = nullptr;
bool g_mock_system_prompt_for_testing_ = false;
bool g_mock_system_permission_denied_for_testing_ = false;
std::map<ContentSettingsType, bool>& GlobalTestingBlockOverrides() {
static base::NoDestructor<std::map<ContentSettingsType, bool>>
g_testing_block_overrides;
return *g_testing_block_overrides;
}
PlatformHandle* GetPlatformHandle() {
if (instance_for_testing_) {
return instance_for_testing_;
}
return CHECK_DEREF(CHECK_DEREF(g_browser_process).GetFeatures())
.system_permissions_platform_handle();
}
} // namespace
// static
void SetInstanceForTesting(PlatformHandle* instance_for_testing) {
instance_for_testing_ = instance_for_testing;
}
// static
bool CanPrompt(ContentSettingsType type) {
return g_mock_system_prompt_for_testing_ ||
GetPlatformHandle()->CanPrompt(type);
}
// static
base::AutoReset<bool> MockSystemPromptForTesting() {
return base::AutoReset<bool>(&g_mock_system_prompt_for_testing_, true);
}
// static
base::AutoReset<bool> MockShowSystemSettingsForTesting() {
return base::AutoReset<bool>(&g_mock_system_permission_denied_for_testing_,
true);
}
// static
bool IsDenied(ContentSettingsType type) {
if (g_mock_system_permission_denied_for_testing_) {
return true;
}
if (GlobalTestingBlockOverrides().find(type) !=
GlobalTestingBlockOverrides().end()) {
return GlobalTestingBlockOverrides().at(type);
}
return GetPlatformHandle()->IsDenied(type);
}
// static
bool IsAllowed(ContentSettingsType type) {
if (g_mock_system_permission_denied_for_testing_) {
return false;
}
if (GlobalTestingBlockOverrides().find(type) !=
GlobalTestingBlockOverrides().end()) {
return !GlobalTestingBlockOverrides().at(type);
}
return GetPlatformHandle()->IsAllowed(type);
}
// static
void OpenSystemSettings(content::WebContents* web_contents,
ContentSettingsType type) {
GetPlatformHandle()->OpenSystemSettings(web_contents, type);
}
// static
void Request(ContentSettingsType type,
SystemPermissionResponseCallback callback) {
// If 'g_mock_system_prompt_for_testing_' is true, don't request the
// permission.
if (g_mock_system_prompt_for_testing_) {
return;
}
GetPlatformHandle()->Request(type, std::move(callback));
}
// static
std::unique_ptr<ScopedObservation> Observe(
SystemPermissionChangedCallback observer) {
return GetPlatformHandle()->Observe(observer);
}
ScopedSettingsForTesting::ScopedSettingsForTesting(ContentSettingsType type,
bool blocked)
: type_(type) {
CHECK(GlobalTestingBlockOverrides().find(type) ==
GlobalTestingBlockOverrides().end());
GlobalTestingBlockOverrides()[type] = blocked;
}
ScopedSettingsForTesting::~ScopedSettingsForTesting() {
GlobalTestingBlockOverrides().erase(type_);
}
} // namespace system_permission_settings
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