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// Copyright 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/extensions/api/input/input.h"
#include "base/command_line.h"
#include "base/lazy_instance.h"
#include "base/metrics/histogram.h"
#include "base/strings/string16.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/chrome_pages.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/user_metrics.h"
#include "extensions/browser/extension_function_registry.h"
#include "ui/events/event.h"
#include "ui/keyboard/keyboard_controller.h"
#include "ui/keyboard/keyboard_switches.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/login/lock/screen_locker.h"
#include "chrome/browser/chromeos/login/ui/user_adding_screen.h"
#include "components/user_manager/user_manager.h"
#endif // OS_CHROMEOS
#if defined(USE_ASH)
#include "ash/root_window_controller.h"
#include "ash/shell.h"
#include "ui/aura/window_tree_host.h"
#include "ui/keyboard/keyboard_util.h"
#endif
#if !defined(USE_ASH)
namespace {
const char kNotYetImplementedError[] =
"API is not implemented on this platform.";
} // namespace
#endif
namespace extensions {
bool VirtualKeyboardPrivateInsertTextFunction::RunSync() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
#if defined(USE_ASH)
base::string16 text;
EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &text));
return keyboard::InsertText(text, ash::Shell::GetPrimaryRootWindow());
#else
error_ = kNotYetImplementedError;
return false;
#endif
}
bool VirtualKeyboardPrivateMoveCursorFunction::RunSync() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
#if defined(USE_ASH)
if (!CommandLine::ForCurrentProcess()->HasSwitch(
keyboard::switches::kEnableSwipeSelection)) {
return false;
}
int swipe_direction;
int modifier_flags;
EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &swipe_direction));
EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(1, &modifier_flags));
return keyboard::MoveCursor(
swipe_direction,
modifier_flags,
ash::Shell::GetPrimaryRootWindow()->GetHost());
#else
error_ = kNotYetImplementedError;
return false;
#endif
}
bool VirtualKeyboardPrivateSendKeyEventFunction::RunSync() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
#if defined(USE_ASH)
base::Value* options_value = NULL;
base::DictionaryValue* params = NULL;
std::string type;
int char_value;
int key_code;
std::string key_name;
int modifiers;
EXTENSION_FUNCTION_VALIDATE(args_->Get(0, &options_value));
EXTENSION_FUNCTION_VALIDATE(options_value->GetAsDictionary(¶ms));
EXTENSION_FUNCTION_VALIDATE(params->GetString("type", &type));
EXTENSION_FUNCTION_VALIDATE(params->GetInteger("charValue", &char_value));
EXTENSION_FUNCTION_VALIDATE(params->GetInteger("keyCode", &key_code));
EXTENSION_FUNCTION_VALIDATE(params->GetString("keyName", &key_name));
EXTENSION_FUNCTION_VALIDATE(params->GetInteger("modifiers", &modifiers));
return keyboard::SendKeyEvent(
type,
char_value,
key_code,
key_name,
modifiers,
ash::Shell::GetPrimaryRootWindow()->GetHost());
#else
error_ = kNotYetImplementedError;
return false;
#endif
}
bool VirtualKeyboardPrivateHideKeyboardFunction::RunSync() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
#if defined(USE_ASH)
UMA_HISTOGRAM_ENUMERATION(
"VirtualKeyboard.KeyboardControlEvent",
keyboard::KEYBOARD_CONTROL_HIDE_USER,
keyboard::KEYBOARD_CONTROL_MAX);
// Pass HIDE_REASON_MANUAL since calls to HideKeyboard as part of this API
// would be user generated.
keyboard::KeyboardController::GetInstance()->HideKeyboard(
keyboard::KeyboardController::HIDE_REASON_MANUAL);
return true;
#else
error_ = kNotYetImplementedError;
return false;
#endif
}
bool VirtualKeyboardPrivateLockKeyboardFunction::RunSync() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
#if defined(USE_ASH)
bool lock;
EXTENSION_FUNCTION_VALIDATE(args_->GetBoolean(0, &lock));
keyboard::KeyboardController::GetInstance()->set_lock_keyboard(lock);
return true;
#else
error_ = kNotYetImplementedError;
return false;
#endif
}
bool VirtualKeyboardPrivateKeyboardLoadedFunction::RunSync() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
#if defined(USE_ASH)
keyboard::MarkKeyboardLoadFinished();
base::UserMetricsAction("VirtualKeyboardLoaded");
return true;
#else
error_ = kNotYetImplementedError;
return false;
#endif
}
bool VirtualKeyboardPrivateGetKeyboardConfigFunction::RunSync() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
#if defined(USE_ASH)
base::DictionaryValue* results = new base::DictionaryValue();
results->SetString("layout", keyboard::GetKeyboardLayout());
results->SetBoolean("a11ymode", keyboard::GetAccessibilityKeyboardEnabled());
results->SetBoolean("experimental",
keyboard::IsExperimentalInputViewEnabled());
SetResult(results);
return true;
#else
error_ = kNotYetImplementedError;
return false;
#endif
}
bool VirtualKeyboardPrivateOpenSettingsFunction::RunSync() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
#if defined(USE_ASH)
#if defined(OS_CHROMEOS)
// Do not try to open language options page if user is not logged in or
// locked.
if (!user_manager::UserManager::Get()->IsUserLoggedIn() ||
chromeos::UserAddingScreen::Get()->IsRunning() ||
(chromeos::ScreenLocker::default_screen_locker() &&
chromeos::ScreenLocker::default_screen_locker()->locked()))
return true;
#endif // OS_CHROMEOS
content::RecordAction(base::UserMetricsAction("OpenLanguageOptionsDialog"));
chrome::ShowSettingsSubPageForProfile(
ProfileManager::GetActiveUserProfile(), chrome::kLanguageOptionsSubPage);
return true;
#else
error_ = kNotYetImplementedError;
return false;
#endif
}
InputAPI::InputAPI(content::BrowserContext* context) {}
InputAPI::~InputAPI() {
}
static base::LazyInstance<BrowserContextKeyedAPIFactory<InputAPI> > g_factory =
LAZY_INSTANCE_INITIALIZER;
// static
BrowserContextKeyedAPIFactory<InputAPI>* InputAPI::GetFactoryInstance() {
return g_factory.Pointer();
}
} // namespace extensions
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