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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/display/display_preferences.h"
#include "ash/display/display_controller.h"
#include "ash/screen_ash.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "base/prefs/testing_pref_service.h"
#include "base/strings/string_number_conversions.h"
#include "base/values.h"
#include "chrome/browser/chromeos/login/mock_user_manager.h"
#include "chrome/browser/chromeos/login/user_manager.h"
#include "chrome/browser/prefs/scoped_user_pref_update.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/testing_browser_process.h"
namespace chromeos {
namespace {
class DisplayPreferencesTest : public ash::test::AshTestBase {
protected:
DisplayPreferencesTest() : ash::test::AshTestBase() {}
virtual ~DisplayPreferencesTest() {}
virtual void SetUp() OVERRIDE {
ash::test::AshTestBase::SetUp();
RegisterDisplayLocalStatePrefs(local_state_.registry());
TestingBrowserProcess::GetGlobal()->SetLocalState(&local_state_);
}
virtual void TearDown() OVERRIDE {
TestingBrowserProcess::GetGlobal()->SetLocalState(NULL);
ash::test::AshTestBase::TearDown();
}
void LoggedInAsUser() {
EXPECT_CALL(*mock_user_manager_.user_manager(), IsUserLoggedIn())
.WillRepeatedly(testing::Return(true));
EXPECT_CALL(*mock_user_manager_.user_manager(), IsLoggedInAsDemoUser())
.WillRepeatedly(testing::Return(false));
EXPECT_CALL(*mock_user_manager_.user_manager(), IsLoggedInAsGuest())
.WillRepeatedly(testing::Return(false));
EXPECT_CALL(*mock_user_manager_.user_manager(), IsLoggedInAsStub())
.WillRepeatedly(testing::Return(false));
}
void LoggedInAsGuest() {
EXPECT_CALL(*mock_user_manager_.user_manager(), IsUserLoggedIn())
.WillRepeatedly(testing::Return(true));
EXPECT_CALL(*mock_user_manager_.user_manager(), IsLoggedInAsDemoUser())
.WillRepeatedly(testing::Return(false));
EXPECT_CALL(*mock_user_manager_.user_manager(), IsLoggedInAsGuest())
.WillRepeatedly(testing::Return(true));
EXPECT_CALL(*mock_user_manager_.user_manager(), IsLoggedInAsStub())
.WillRepeatedly(testing::Return(false));
}
// Do not use the implementation of display_preferences.cc directly to avoid
// notifying the update to the system.
void SetupDisplayLayoutPref(int64 id,
ash::DisplayLayout::Position layout,
int offset) {
DictionaryPrefUpdate update(&local_state_, prefs::kSecondaryDisplays);
ash::DisplayLayout display_layout(layout, offset);
std::string name = base::Int64ToString(id);
DCHECK(!name.empty());
base::DictionaryValue* pref_data = update.Get();
scoped_ptr<base::Value>layout_value(new base::DictionaryValue());
if (pref_data->HasKey(name)) {
base::Value* value = NULL;
if (pref_data->Get(name, &value) && value != NULL)
layout_value.reset(value->DeepCopy());
}
if (ash::DisplayLayout::ConvertToValue(display_layout, layout_value.get()))
pref_data->Set(name, layout_value.release());
}
void SetupDefaultLayoutPref(ash::DisplayLayout::Position layout,
int offset) {
local_state_.SetInteger(
prefs::kSecondaryDisplayLayout, static_cast<int>(layout));
local_state_.SetInteger(prefs::kSecondaryDisplayOffset, offset);
}
void SetupPrimaryDisplayId(int64 display_id) {
local_state_.SetInt64(prefs::kPrimaryDisplayID, display_id);
}
void SetupDisplayOverscan(int64 id, const gfx::Insets& insets) {
DictionaryPrefUpdate update(&local_state_, prefs::kDisplayOverscans);
const std::string name = base::Int64ToString(id);
base::DictionaryValue* pref_data = update.Get();
base::DictionaryValue* insets_value = new base::DictionaryValue();
insets_value->SetInteger("top", insets.top());
insets_value->SetInteger("left", insets.left());
insets_value->SetInteger("bottom", insets.bottom());
insets_value->SetInteger("right", insets.right());
pref_data->Set(name, insets_value);
}
const PrefService* local_state() const { return &local_state_; }
private:
ScopedMockUserManagerEnabler mock_user_manager_;
TestingPrefServiceSimple local_state_;
DISALLOW_COPY_AND_ASSIGN(DisplayPreferencesTest);
};
TEST_F(DisplayPreferencesTest, Initialization) {
UpdateDisplay("100x100,200x200");
int64 id1 = gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().id();
int64 id2 = ash::ScreenAsh::GetSecondaryDisplay().id();
int64 dummy_id = id2 + 1;
ASSERT_NE(id1, dummy_id);
SetupDisplayLayoutPref(id1, ash::DisplayLayout::BOTTOM, 20);
SetupDisplayLayoutPref(id2, ash::DisplayLayout::TOP, -10);
SetupDisplayLayoutPref(dummy_id, ash::DisplayLayout::RIGHT, -30);
SetupDefaultLayoutPref(ash::DisplayLayout::LEFT, 50);
SetupPrimaryDisplayId(id2);
SetupDisplayOverscan(id1, gfx::Insets(10, 10, 10, 10));
SetupDisplayOverscan(id2, gfx::Insets(20, 20, 20, 20));
NotifyDisplayLocalStatePrefChanged();
// Check if the layout settings are notified to the system properly.
ash::DisplayController* display_controller =
ash::Shell::GetInstance()->display_controller();
gfx::Screen* screen = gfx::Screen::GetNativeScreen();
EXPECT_EQ(id2, screen->GetPrimaryDisplay().id());
EXPECT_EQ(ash::DisplayLayout::BOTTOM,
display_controller->GetCurrentDisplayLayout().position);
EXPECT_EQ(20, display_controller->GetCurrentDisplayLayout().offset);
EXPECT_EQ("160x160", screen->GetPrimaryDisplay().bounds().size().ToString());
EXPECT_EQ("80x80",
ash::ScreenAsh::GetSecondaryDisplay().bounds().size().ToString());
}
TEST_F(DisplayPreferencesTest, BasicSaves) {
UpdateDisplay("100x100,200x200");
int64 id1 = gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().id();
int64 id2 = ash::ScreenAsh::GetSecondaryDisplay().id();
int64 dummy_id = id2 + 1;
ASSERT_NE(id1, dummy_id);
LoggedInAsUser();
ash::DisplayLayout layout(ash::DisplayLayout::TOP, 10);
SetDisplayLayoutPref(ash::ScreenAsh::GetSecondaryDisplay(),
static_cast<int>(layout.position), layout.offset);
SetDisplayLayoutPref(gfx::Screen::GetNativeScreen()->GetPrimaryDisplay(),
ash::DisplayLayout::LEFT, 20);
SetPrimaryDisplayIDPref(dummy_id);
SetDisplayOverscan(ash::ScreenAsh::GetNativeScreen()->GetPrimaryDisplay(),
gfx::Insets(10, 11, 12, 13));
scoped_ptr<base::DictionaryValue> serialized_value(
new base::DictionaryValue());
ASSERT_TRUE(ash::DisplayLayout::ConvertToValue(layout,
serialized_value.get()));
const base::DictionaryValue* displays =
local_state()->GetDictionary(prefs::kSecondaryDisplays);
const base::DictionaryValue* display_layout = NULL;
EXPECT_TRUE(
displays->GetDictionary(base::Int64ToString(id2), &display_layout));
EXPECT_TRUE(serialized_value->Equals(display_layout));
// The default value is set for the last call of SetDisplayLayoutPref()
EXPECT_EQ(ash::DisplayLayout::LEFT,
local_state()->GetInteger(prefs::kSecondaryDisplayLayout));
EXPECT_EQ(20, local_state()->GetInteger(prefs::kSecondaryDisplayOffset));
const base::DictionaryValue* overscans =
local_state()->GetDictionary(prefs::kDisplayOverscans);
const base::DictionaryValue* overscan = NULL;
EXPECT_TRUE(overscans->GetDictionary(base::Int64ToString(id1), &overscan));
int top = 0, left = 0, bottom = 0, right = 0;
EXPECT_TRUE(overscan->GetInteger("top", &top));
EXPECT_TRUE(overscan->GetInteger("left", &left));
EXPECT_TRUE(overscan->GetInteger("bottom", &bottom));
EXPECT_TRUE(overscan->GetInteger("right", &right));
EXPECT_EQ(10, top);
EXPECT_EQ(11, left);
EXPECT_EQ(12, bottom);
EXPECT_EQ(13, right);
EXPECT_EQ(dummy_id, local_state()->GetInt64(prefs::kPrimaryDisplayID));
}
TEST_F(DisplayPreferencesTest, DontSaveInGuestMode) {
UpdateDisplay("100x100,200x200");
LoggedInAsGuest();
int64 id2 = ash::ScreenAsh::GetSecondaryDisplay().id();
ash::DisplayLayout layout(ash::DisplayLayout::TOP, 10);
SetDisplayLayoutPref(ash::ScreenAsh::GetSecondaryDisplay(),
static_cast<int>(layout.position), layout.offset);
SetPrimaryDisplayIDPref(id2);
SetDisplayOverscan(ash::ScreenAsh::GetNativeScreen()->GetPrimaryDisplay(),
gfx::Insets(10, 11, 12, 13));
// Does not store the preferences locally.
EXPECT_FALSE(local_state()->FindPreference(
prefs::kSecondaryDisplays)->HasUserSetting());
EXPECT_FALSE(local_state()->FindPreference(
prefs::kSecondaryDisplayLayout)->HasUserSetting());
EXPECT_FALSE(local_state()->FindPreference(
prefs::kSecondaryDisplayOffset)->HasUserSetting());
EXPECT_FALSE(local_state()->FindPreference(
prefs::kPrimaryDisplayID)->HasUserSetting());
EXPECT_FALSE(local_state()->FindPreference(
prefs::kDisplayOverscans)->HasUserSetting());
// Settings are still notified to the system.
ash::DisplayController* display_controller =
ash::Shell::GetInstance()->display_controller();
gfx::Screen* screen = gfx::Screen::GetNativeScreen();
EXPECT_EQ(id2, screen->GetPrimaryDisplay().id());
EXPECT_EQ(ash::DisplayLayout::BOTTOM,
display_controller->GetCurrentDisplayLayout().position);
EXPECT_EQ(-10, display_controller->GetCurrentDisplayLayout().offset);
EXPECT_EQ("176x178", screen->GetPrimaryDisplay().bounds().size().ToString());
}
} // namespace
} // namespace chromeos
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