blob: 978eb3a98113bbd0d01af384564bb1742f44241b [file] [log] [blame]
// 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/input_method/input_method_manager_impl.h"
#include <stdint.h>
#include <algorithm> // std::find
#include <memory>
#include <set>
#include <sstream>
#include <utility>
#include "ash/public/cpp/ash_features.h"
#include "base/bind.h"
#include "base/feature_list.h"
#include "base/hash.h"
#include "base/location.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/stl_util.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/system/sys_info.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browser_process_platform_part_chromeos.h"
#include "chrome/browser/chromeos/input_method/candidate_window_controller.h"
#include "chrome/browser/chromeos/input_method/component_extension_ime_manager_impl.h"
#include "chrome/browser/chromeos/language_preferences.h"
#include "chrome/browser/chromeos/login/session/user_session_manager.h"
#include "chrome/browser/chromeos/profiles/profile_helper.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/ash/keyboard/chrome_keyboard_controller_client.h"
#include "chrome/common/chrome_features.h"
#include "chrome/common/pref_names.h"
#include "chromeos/system/devicemode.h"
#include "components/prefs/pref_service.h"
#include "components/user_manager/user_manager.h"
#include "third_party/icu/source/common/unicode/uloc.h"
#include "ui/base/ime/chromeos/component_extension_ime_manager.h"
#include "ui/base/ime/chromeos/extension_ime_util.h"
#include "ui/base/ime/chromeos/fake_ime_keyboard.h"
#include "ui/base/ime/chromeos/ime_keyboard.h"
#include "ui/base/ime/chromeos/ime_keyboard_mus.h"
#include "ui/base/ime/chromeos/input_method_delegate.h"
#include "ui/base/ime/ime_bridge.h"
#include "ui/base/ui_base_features.h"
#include "ui/chromeos/ime/input_method_menu_item.h"
#include "ui/chromeos/ime/input_method_menu_manager.h"
#include "ui/keyboard/keyboard_controller.h"
namespace chromeos {
namespace input_method {
namespace {
enum InputMethodCategory {
INPUT_METHOD_CATEGORY_UNKNOWN = 0,
INPUT_METHOD_CATEGORY_XKB, // XKB input methods
INPUT_METHOD_CATEGORY_ZH, // Chinese input methods
INPUT_METHOD_CATEGORY_JA, // Japanese input methods
INPUT_METHOD_CATEGORY_KO, // Korean input methods
INPUT_METHOD_CATEGORY_M17N, // Multilingualization input methods
INPUT_METHOD_CATEGORY_T13N, // Transliteration input methods
INPUT_METHOD_CATEGORY_MAX
};
InputMethodCategory GetInputMethodCategory(const std::string& input_method_id,
char* first_char = NULL) {
const std::string component_id =
extension_ime_util::GetComponentIDByInputMethodID(input_method_id);
InputMethodCategory category = INPUT_METHOD_CATEGORY_UNKNOWN;
char ch = 0;
if (base::StartsWith(component_id, "xkb:", base::CompareCase::SENSITIVE)) {
ch = component_id[4];
category = INPUT_METHOD_CATEGORY_XKB;
} else if (base::StartsWith(component_id, "zh-",
base::CompareCase::SENSITIVE)) {
size_t pos = component_id.find("-t-i0-");
if (pos > 0)
pos += 6;
ch = component_id[pos];
category = INPUT_METHOD_CATEGORY_ZH;
} else if (base::StartsWith(component_id, "nacl_mozc_",
base::CompareCase::SENSITIVE)) {
ch = component_id[10];
category = INPUT_METHOD_CATEGORY_JA;
} else if (base::StartsWith(component_id, "hangul_",
base::CompareCase::SENSITIVE)) {
ch = component_id[7];
category = INPUT_METHOD_CATEGORY_KO;
} else if (base::StartsWith(component_id, "vkd_",
base::CompareCase::SENSITIVE)) {
ch = component_id[4];
category = INPUT_METHOD_CATEGORY_M17N;
} else if (component_id.find("-t-i0-") > 0) {
ch = component_id[0];
category = INPUT_METHOD_CATEGORY_T13N;
}
if (first_char)
*first_char = ch;
return category;
}
std::string KeysetToString(mojom::ImeKeyset keyset) {
switch (keyset) {
case mojom::ImeKeyset::kNone:
return "";
case mojom::ImeKeyset::kEmoji:
return "emoji";
case mojom::ImeKeyset::kHandwriting:
return "hwt";
case mojom::ImeKeyset::kVoice:
return "voice";
}
}
} // namespace
// ------------------------ InputMethodManagerImpl::StateImpl
InputMethodManagerImpl::StateImpl::StateImpl(InputMethodManagerImpl* manager,
Profile* profile)
: profile(profile), manager_(manager), menu_activated(false) {}
InputMethodManagerImpl::StateImpl::~StateImpl() {
}
void InputMethodManagerImpl::StateImpl::InitFrom(const StateImpl& other) {
last_used_input_method = other.last_used_input_method;
current_input_method = other.current_input_method;
active_input_method_ids = other.active_input_method_ids;
pending_input_method_id = other.pending_input_method_id;
enabled_extension_imes = other.enabled_extension_imes;
extra_input_methods = other.extra_input_methods;
menu_activated = other.menu_activated;
allowed_keyboard_layout_input_method_ids =
other.allowed_keyboard_layout_input_method_ids;
input_view_url = other.input_view_url;
}
bool InputMethodManagerImpl::StateImpl::IsActive() const {
return manager_->state_.get() == this;
}
std::string InputMethodManagerImpl::StateImpl::Dump() const {
std::ostringstream os;
os << "################# "
<< (profile ? profile->GetProfileUserName() : std::string("NULL"))
<< " #################\n";
os << "last_used_input_method: '"
<< last_used_input_method.GetPreferredKeyboardLayout() << "'\n";
os << "current_input_method: '"
<< current_input_method.GetPreferredKeyboardLayout() << "'\n";
os << "active_input_method_ids (size=" << active_input_method_ids.size()
<< "):";
for (size_t i = 0; i < active_input_method_ids.size(); ++i) {
os << " '" << active_input_method_ids[i] << "',";
}
os << "\n";
os << "enabled_extension_imes (size=" << enabled_extension_imes.size()
<< "):";
for (size_t i = 0; i < enabled_extension_imes.size(); ++i) {
os << " '" << enabled_extension_imes[i] << "'\n";
}
os << "\n";
os << "extra_input_methods (size=" << extra_input_methods.size() << "):";
for (std::map<std::string, InputMethodDescriptor>::const_iterator it =
extra_input_methods.begin();
it != extra_input_methods.end();
++it) {
os << " '" << it->first << "' => '" << it->second.id() << "',\n";
}
os << "pending_input_method_id: '" << pending_input_method_id << "'\n";
os << "input_view_url: '" << input_view_url << "'\n";
return os.str();
}
scoped_refptr<InputMethodManager::State>
InputMethodManagerImpl::StateImpl::Clone() const {
scoped_refptr<StateImpl> new_state(new StateImpl(this->manager_, profile));
new_state->InitFrom(*this);
return scoped_refptr<InputMethodManager::State>(new_state.get());
}
std::unique_ptr<InputMethodDescriptors>
InputMethodManagerImpl::StateImpl::GetActiveInputMethods() const {
std::unique_ptr<InputMethodDescriptors> result(new InputMethodDescriptors);
// Build the active input method descriptors from the active input
// methods cache |active_input_method_ids|.
for (size_t i = 0; i < active_input_method_ids.size(); ++i) {
const std::string& input_method_id = active_input_method_ids[i];
const InputMethodDescriptor* descriptor =
manager_->util_.GetInputMethodDescriptorFromId(input_method_id);
if (descriptor) {
result->push_back(*descriptor);
} else {
std::map<std::string, InputMethodDescriptor>::const_iterator ix =
extra_input_methods.find(input_method_id);
if (ix != extra_input_methods.end())
result->push_back(ix->second);
else
DVLOG(1) << "Descriptor is not found for: " << input_method_id;
}
}
if (result->empty()) {
// Initially |active_input_method_ids| is empty. browser_tests might take
// this path.
result->push_back(
InputMethodUtil::GetFallbackInputMethodDescriptor());
}
return result;
}
const std::vector<std::string>&
InputMethodManagerImpl::StateImpl::GetActiveInputMethodIds() const {
return active_input_method_ids;
}
size_t InputMethodManagerImpl::StateImpl::GetNumActiveInputMethods() const {
return active_input_method_ids.size();
}
const InputMethodDescriptor*
InputMethodManagerImpl::StateImpl::GetInputMethodFromId(
const std::string& input_method_id) const {
const InputMethodDescriptor* ime =
manager_->util_.GetInputMethodDescriptorFromId(input_method_id);
if (!ime) {
std::map<std::string, InputMethodDescriptor>::const_iterator ix =
extra_input_methods.find(input_method_id);
if (ix != extra_input_methods.end())
ime = &ix->second;
}
return ime;
}
void InputMethodManagerImpl::StateImpl::EnableLoginLayouts(
const std::string& language_code,
const std::vector<std::string>& initial_layouts) {
if (manager_->ui_session_ == STATE_TERMINATING)
return;
// First, hardware keyboard layout should be shown.
std::vector<std::string> candidates =
manager_->util_.GetHardwareLoginInputMethodIds();
// Second, locale based input method should be shown.
// Add input methods associated with the language.
std::vector<std::string> layouts_from_locale;
manager_->util_.GetInputMethodIdsFromLanguageCode(
language_code, kKeyboardLayoutsOnly, &layouts_from_locale);
candidates.insert(candidates.end(), layouts_from_locale.begin(),
layouts_from_locale.end());
std::vector<std::string> layouts;
// First, add the initial input method ID, if it's requested, to
// layouts, so it appears first on the list of active input
// methods at the input language status menu.
for (size_t i = 0; i < initial_layouts.size(); ++i) {
if (manager_->util_.IsValidInputMethodId(initial_layouts[i])) {
if (manager_->IsLoginKeyboard(initial_layouts[i])) {
if (IsInputMethodAllowed(initial_layouts[i])) {
layouts.push_back(initial_layouts[i]);
} else {
DVLOG(1) << "EnableLoginLayouts: ignoring layout disallowd by policy:"
<< initial_layouts[i];
}
} else {
DVLOG(1)
<< "EnableLoginLayouts: ignoring non-login initial keyboard layout:"
<< initial_layouts[i];
}
} else if (!initial_layouts[i].empty()) {
DVLOG(1) << "EnableLoginLayouts: ignoring non-keyboard or invalid ID: "
<< initial_layouts[i];
}
}
// Add candidates to layouts, while skipping duplicates.
for (size_t i = 0; i < candidates.size(); ++i) {
const std::string& candidate = candidates[i];
// Not efficient, but should be fine, as the two vectors are very
// short (2-5 items).
if (!base::ContainsValue(layouts, candidate) &&
manager_->IsLoginKeyboard(candidate) &&
IsInputMethodAllowed(candidate)) {
layouts.push_back(candidate);
}
}
manager_->MigrateInputMethods(&layouts);
active_input_method_ids.swap(layouts);
if (IsActive()) {
// Initialize candidate window controller and widgets such as
// candidate window, infolist and mode indicator. Note, mode
// indicator is used by only keyboard layout input methods.
if (active_input_method_ids.size() > 1)
manager_->MaybeInitializeCandidateWindowController();
// you can pass empty |initial_layout|.
ChangeInputMethod(initial_layouts.empty()
? std::string()
: extension_ime_util::GetInputMethodIDByEngineID(
initial_layouts[0]),
false);
}
}
void InputMethodManagerImpl::StateImpl::EnableLockScreenLayouts() {
std::set<std::string> added_ids;
const std::vector<std::string>& hardware_keyboard_ids =
manager_->util_.GetHardwareLoginInputMethodIds();
std::vector<std::string> new_active_input_method_ids;
for (size_t i = 0; i < active_input_method_ids.size(); ++i) {
const std::string& input_method_id = active_input_method_ids[i];
// Skip if it's not a keyboard layout. Drop input methods including
// extension ones. We need to keep all IMEs to support inputting on inline
// reply on a notification if notifications on lock screen is enabled.
if ((!ash::features::IsLockScreenInlineReplyEnabled() &&
!manager_->IsLoginKeyboard(input_method_id)) ||
added_ids.count(input_method_id)) {
continue;
}
new_active_input_method_ids.push_back(input_method_id);
added_ids.insert(input_method_id);
}
// We'll add the hardware keyboard if it's not included in
// |active_input_method_ids| so that the user can always use the hardware
// keyboard on the screen locker.
for (size_t i = 0; i < hardware_keyboard_ids.size(); ++i) {
if (added_ids.count(hardware_keyboard_ids[i]))
continue;
new_active_input_method_ids.push_back(hardware_keyboard_ids[i]);
added_ids.insert(hardware_keyboard_ids[i]);
}
active_input_method_ids.swap(new_active_input_method_ids);
// Re-check current_input_method.
ChangeInputMethod(current_input_method.id(), false);
}
// Adds new input method to given list.
bool InputMethodManagerImpl::StateImpl::EnableInputMethodImpl(
const std::string& input_method_id,
std::vector<std::string>* new_active_input_method_ids) const {
if (!IsInputMethodAllowed(input_method_id)) {
DVLOG(1) << "EnableInputMethod: " << input_method_id << " is not allowed.";
return false;
}
DCHECK(new_active_input_method_ids);
if (!manager_->util_.IsValidInputMethodId(input_method_id)) {
DVLOG(1) << "EnableInputMethod: Invalid ID: " << input_method_id;
return false;
}
if (!base::ContainsValue(*new_active_input_method_ids, input_method_id))
new_active_input_method_ids->push_back(input_method_id);
return true;
}
bool InputMethodManagerImpl::StateImpl::EnableInputMethod(
const std::string& input_method_id) {
if (!EnableInputMethodImpl(input_method_id, &active_input_method_ids))
return false;
manager_->ReconfigureIMFramework(this);
return true;
}
bool InputMethodManagerImpl::StateImpl::ReplaceEnabledInputMethods(
const std::vector<std::string>& new_active_input_method_ids) {
if (manager_->ui_session_ == STATE_TERMINATING)
return false;
// Filter unknown or obsolete IDs.
std::vector<std::string> new_active_input_method_ids_filtered;
for (size_t i = 0; i < new_active_input_method_ids.size(); ++i)
EnableInputMethodImpl(new_active_input_method_ids[i],
&new_active_input_method_ids_filtered);
if (new_active_input_method_ids_filtered.empty()) {
DVLOG(1) << "ReplaceEnabledInputMethods: No valid input method ID";
return false;
}
// Copy extension IDs to |new_active_input_method_ids_filtered|. We have to
// keep relative order of the extension input method IDs.
for (size_t i = 0; i < active_input_method_ids.size(); ++i) {
const std::string& input_method_id = active_input_method_ids[i];
if (extension_ime_util::IsExtensionIME(input_method_id))
new_active_input_method_ids_filtered.push_back(input_method_id);
}
active_input_method_ids.swap(new_active_input_method_ids_filtered);
manager_->MigrateInputMethods(&active_input_method_ids);
manager_->ReconfigureIMFramework(this);
// If |current_input_method| is no longer in |active_input_method_ids|,
// ChangeInputMethod() picks the first one in |active_input_method_ids|.
ChangeInputMethod(current_input_method.id(), false);
// Record histogram for active input method count.
UMA_HISTOGRAM_COUNTS_1M("InputMethod.ActiveCount",
active_input_method_ids.size());
return true;
}
bool InputMethodManagerImpl::StateImpl::SetAllowedInputMethods(
const std::vector<std::string>& new_allowed_input_method_ids,
bool enable_allowed_input_methods) {
allowed_keyboard_layout_input_method_ids.clear();
for (auto input_method_id : new_allowed_input_method_ids) {
std::string migrated_id =
manager_->util_.MigrateInputMethod(input_method_id);
if (manager_->util_.IsValidInputMethodId(migrated_id)) {
allowed_keyboard_layout_input_method_ids.push_back(migrated_id);
}
}
if (allowed_keyboard_layout_input_method_ids.empty()) {
// None of the passed input methods were valid, so allow everything.
return false;
}
std::vector<std::string> new_active_input_method_ids;
if (enable_allowed_input_methods) {
// Enable all allowed keyboard layout input methods. Leave all non-keyboard
// input methods enabled.
new_active_input_method_ids = allowed_keyboard_layout_input_method_ids;
for (auto active_input_method_id : active_input_method_ids) {
if (!manager_->util_.IsKeyboardLayout(active_input_method_id))
new_active_input_method_ids.push_back(active_input_method_id);
}
} else {
// Filter all currently active input methods and leave only non-keyboard or
// allowed keyboard layouts. If no input method remains, take a fallback
// keyboard layout.
bool has_keyboard_layout = false;
for (auto active_input_method_id : active_input_method_ids) {
if (IsInputMethodAllowed(active_input_method_id)) {
new_active_input_method_ids.push_back(active_input_method_id);
has_keyboard_layout |=
manager_->util_.IsKeyboardLayout(active_input_method_id);
}
}
if (!has_keyboard_layout)
new_active_input_method_ids.push_back(GetAllowedFallBackKeyboardLayout());
}
return ReplaceEnabledInputMethods(new_active_input_method_ids);
}
const std::vector<std::string>&
InputMethodManagerImpl::StateImpl::GetAllowedInputMethods() {
return allowed_keyboard_layout_input_method_ids;
}
bool InputMethodManagerImpl::StateImpl::IsInputMethodAllowed(
const std::string& input_method_id) const {
// Every input method is allowed if SetAllowedKeyboardLayoutInputMethods has
// not been called.
if (allowed_keyboard_layout_input_method_ids.empty())
return true;
// We only restrict keyboard layouts.
if (!manager_->util_.IsKeyboardLayout(input_method_id) &&
!extension_ime_util::IsArcIME(input_method_id)) {
return true;
}
return base::ContainsValue(allowed_keyboard_layout_input_method_ids,
input_method_id) ||
base::ContainsValue(
allowed_keyboard_layout_input_method_ids,
manager_->util_.MigrateInputMethod(input_method_id));
}
std::string
InputMethodManagerImpl::StateImpl::GetAllowedFallBackKeyboardLayout() const {
for (const std::string& hardware_id :
manager_->util_.GetHardwareInputMethodIds()) {
if (IsInputMethodAllowed(hardware_id))
return hardware_id;
}
return allowed_keyboard_layout_input_method_ids[0];
}
void InputMethodManagerImpl::StateImpl::ChangeInputMethod(
const std::string& input_method_id,
bool show_message) {
if (manager_->ui_session_ == STATE_TERMINATING)
return;
bool notify_menu = false;
// Always lookup input method, even if it is the same as
// |current_input_method| because If it is no longer in
// |active_input_method_ids|, pick the first one in
// |active_input_method_ids|.
const InputMethodDescriptor* descriptor =
manager_->LookupInputMethod(input_method_id, this);
if (!descriptor) {
descriptor = manager_->LookupInputMethod(
manager_->util_.MigrateInputMethod(input_method_id), this);
if (!descriptor) {
LOG(ERROR) << "Can't find InputMethodDescriptor for \"" << input_method_id
<< "\"";
return;
}
}
// For 3rd party IME, when the user just logged in, SetEnabledExtensionImes
// happens after activating the 3rd party IME.
// So here to record the 3rd party IME to be activated, and activate it
// when SetEnabledExtensionImes happens later.
if (MethodAwaitsExtensionLoad(input_method_id))
pending_input_method_id = input_method_id;
if (descriptor->id() != current_input_method.id()) {
last_used_input_method = current_input_method;
current_input_method = *descriptor;
notify_menu = true;
}
// Always change input method even if it is the same.
// TODO(komatsu): Revisit if this is neccessary.
if (IsActive())
manager_->ChangeInputMethodInternal(*descriptor, profile, show_message,
notify_menu);
manager_->RecordInputMethodUsage(current_input_method.id());
}
void InputMethodManagerImpl::StateImpl::ChangeInputMethodToJpKeyboard() {
ChangeInputMethod(
extension_ime_util::GetInputMethodIDByEngineID("xkb:jp::jpn"), true);
}
void InputMethodManagerImpl::StateImpl::ChangeInputMethodToJpIme() {
ChangeInputMethod(
extension_ime_util::GetInputMethodIDByEngineID("nacl_mozc_jp"), true);
}
void InputMethodManagerImpl::StateImpl::ToggleInputMethodForJpIme() {
std::string jp_ime_id =
extension_ime_util::GetInputMethodIDByEngineID("nacl_mozc_jp");
ChangeInputMethod(
GetCurrentInputMethod().id() == jp_ime_id
? extension_ime_util::GetInputMethodIDByEngineID("xkb:jp::jpn")
: jp_ime_id,
true);
}
bool InputMethodManagerImpl::StateImpl::MethodAwaitsExtensionLoad(
const std::string& input_method_id) const {
// For 3rd party IME, when the user just logged in, SetEnabledExtensionImes
// happens after activating the 3rd party IME.
// So here to record the 3rd party IME to be activated, and activate it
// when SetEnabledExtensionImes happens later.
return !InputMethodIsActivated(input_method_id) &&
extension_ime_util::IsExtensionIME(input_method_id);
}
void InputMethodManagerImpl::StateImpl::AddInputMethodExtension(
const std::string& extension_id,
const InputMethodDescriptors& descriptors,
ui::IMEEngineHandlerInterface* engine) {
if (manager_->ui_session_ == STATE_TERMINATING)
return;
DCHECK(engine);
manager_->engine_map_[profile][extension_id] = engine;
VLOG(1) << "Add an engine for \"" << extension_id << "\"";
bool contain = false;
for (size_t i = 0; i < descriptors.size(); i++) {
const InputMethodDescriptor& descriptor = descriptors[i];
const std::string& id = descriptor.id();
extra_input_methods[id] = descriptor;
if (base::ContainsValue(enabled_extension_imes, id)) {
if (!base::ContainsValue(active_input_method_ids, id)) {
active_input_method_ids.push_back(id);
} else {
DVLOG(1) << "AddInputMethodExtension: already added: " << id << ", "
<< descriptor.name();
}
contain = true;
}
}
if (IsActive()) {
if (extension_id == extension_ime_util::GetExtensionIDFromInputMethodID(
current_input_method.id())) {
ui::IMEBridge::Get()->SetCurrentEngineHandler(engine);
engine->Enable(extension_ime_util::GetComponentIDByInputMethodID(
current_input_method.id()));
}
// Ensure that the input method daemon is running.
if (contain)
manager_->MaybeInitializeCandidateWindowController();
}
manager_->NotifyImeMenuListChanged();
manager_->NotifyInputMethodExtensionAdded(extension_id);
}
void InputMethodManagerImpl::StateImpl::RemoveInputMethodExtension(
const std::string& extension_id) {
// Remove the active input methods with |extension_id|.
std::vector<std::string> new_active_input_method_ids;
for (size_t i = 0; i < active_input_method_ids.size(); ++i) {
if (extension_id != extension_ime_util::GetExtensionIDFromInputMethodID(
active_input_method_ids[i]))
new_active_input_method_ids.push_back(active_input_method_ids[i]);
}
active_input_method_ids.swap(new_active_input_method_ids);
// Remove the extra input methods with |extension_id|.
std::map<std::string, InputMethodDescriptor> new_extra_input_methods;
for (std::map<std::string, InputMethodDescriptor>::iterator i =
extra_input_methods.begin();
i != extra_input_methods.end();
++i) {
if (extension_id !=
extension_ime_util::GetExtensionIDFromInputMethodID(i->first))
new_extra_input_methods[i->first] = i->second;
}
extra_input_methods.swap(new_extra_input_methods);
if (IsActive()) {
if (ui::IMEBridge::Get()->GetCurrentEngineHandler() ==
manager_->engine_map_[profile][extension_id]) {
ui::IMEBridge::Get()->SetCurrentEngineHandler(NULL);
}
manager_->engine_map_[profile].erase(extension_id);
}
// If |current_input_method| is no longer in |active_input_method_ids|,
// switch to the first one in |active_input_method_ids|.
ChangeInputMethod(current_input_method.id(), false);
manager_->NotifyInputMethodExtensionRemoved(extension_id);
}
void InputMethodManagerImpl::StateImpl::GetInputMethodExtensions(
InputMethodDescriptors* result) {
// Build the extension input method descriptors from the extra input
// methods cache |extra_input_methods|.
std::map<std::string, InputMethodDescriptor>::iterator iter;
for (iter = extra_input_methods.begin(); iter != extra_input_methods.end();
++iter) {
if (extension_ime_util::IsExtensionIME(iter->first) ||
extension_ime_util::IsArcIME(iter->first)) {
result->push_back(iter->second);
}
}
}
void InputMethodManagerImpl::StateImpl::SetEnabledExtensionImes(
std::vector<std::string>* ids) {
enabled_extension_imes.clear();
enabled_extension_imes.insert(
enabled_extension_imes.end(), ids->begin(), ids->end());
bool active_imes_changed = false;
bool switch_to_pending = false;
for (std::map<std::string, InputMethodDescriptor>::iterator extra_iter =
extra_input_methods.begin();
extra_iter != extra_input_methods.end();
++extra_iter) {
if (extension_ime_util::IsComponentExtensionIME(extra_iter->first))
continue; // Do not filter component extension.
if (pending_input_method_id == extra_iter->first)
switch_to_pending = true;
std::vector<std::string>::iterator active_iter =
std::find(active_input_method_ids.begin(),
active_input_method_ids.end(),
extra_iter->first);
bool active = active_iter != active_input_method_ids.end();
bool enabled =
base::ContainsValue(enabled_extension_imes, extra_iter->first);
if (active && !enabled)
active_input_method_ids.erase(active_iter);
if (!active && enabled)
active_input_method_ids.push_back(extra_iter->first);
if (active == !enabled)
active_imes_changed = true;
}
if (IsActive() && active_imes_changed) {
manager_->MaybeInitializeCandidateWindowController();
if (switch_to_pending) {
ChangeInputMethod(pending_input_method_id, false);
pending_input_method_id.clear();
} else {
// If |current_input_method| is no longer in |active_input_method_ids_|,
// switch to the first one in |active_input_method_ids_|.
ChangeInputMethod(current_input_method.id(), false);
}
}
}
void InputMethodManagerImpl::StateImpl::SetInputMethodLoginDefaultFromVPD(
const std::string& locale,
const std::string& oem_layout) {
std::string layout;
if (!oem_layout.empty()) {
// If the OEM layout information is provided, use it.
layout = oem_layout;
} else {
// Otherwise, determine the hardware keyboard from the locale.
std::vector<std::string> input_method_ids;
if (manager_->util_.GetInputMethodIdsFromLanguageCode(
locale,
chromeos::input_method::kKeyboardLayoutsOnly,
&input_method_ids)) {
// The output list |input_method_ids| is sorted by popularity, hence
// input_method_ids[0] now contains the most popular keyboard layout
// for the given locale.
DCHECK_GE(input_method_ids.size(), 1U);
layout = input_method_ids[0];
}
}
if (layout.empty())
return;
std::vector<std::string> layouts = base::SplitString(
layout, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
manager_->MigrateInputMethods(&layouts);
PrefService* prefs = g_browser_process->local_state();
prefs->SetString(prefs::kHardwareKeyboardLayout,
base::JoinString(layouts, ","));
// This asks the file thread to save the prefs (i.e. doesn't block).
// The latest values of Local State reside in memory so we can safely
// get the value of kHardwareKeyboardLayout even if the data is not
// yet saved to disk.
prefs->CommitPendingWrite();
manager_->util_.UpdateHardwareLayoutCache();
EnableLoginLayouts(locale, layouts);
manager_->LoadNecessaryComponentExtensions(this);
}
void InputMethodManagerImpl::StateImpl::SetInputMethodLoginDefault() {
// Set up keyboards. For example, when |locale| is "en-US", enable US qwerty
// and US dvorak keyboard layouts.
if (g_browser_process && g_browser_process->local_state()) {
const std::string locale = g_browser_process->GetApplicationLocale();
std::vector<std::string> input_methods_to_be_enabled;
if (!GetAllowedInputMethods().empty()) {
// Prefer policy-set input methods.
input_methods_to_be_enabled = GetAllowedInputMethods();
} else {
// If the preferred keyboard for the login screen has been saved, use it.
PrefService* prefs = g_browser_process->local_state();
std::string initial_input_method_id =
prefs->GetString(chromeos::language_prefs::kPreferredKeyboardLayout);
if (initial_input_method_id.empty()) {
// If kPreferredKeyboardLayout is not specified, use the hardware
// layout.
input_methods_to_be_enabled =
manager_->util_.GetHardwareLoginInputMethodIds();
} else {
input_methods_to_be_enabled.push_back(initial_input_method_id);
}
}
EnableLoginLayouts(locale, input_methods_to_be_enabled);
manager_->LoadNecessaryComponentExtensions(this);
}
}
bool InputMethodManagerImpl::StateImpl::CanCycleInputMethod() const {
// Sanity checks.
if (active_input_method_ids.empty()) {
DVLOG(1) << "active input method is empty";
return false;
}
if (current_input_method.id().empty()) {
DVLOG(1) << "current_input_method is unknown";
return false;
}
return active_input_method_ids.size() > 1;
}
void InputMethodManagerImpl::StateImpl::SwitchToNextInputMethod() {
if (!CanCycleInputMethod())
return;
// Find the next input method and switch to it.
SwitchToNextInputMethodInternal(active_input_method_ids,
current_input_method.id());
}
void InputMethodManagerImpl::StateImpl::SwitchToLastUsedInputMethod() {
if (!CanCycleInputMethod())
return;
if (last_used_input_method.id().empty() ||
last_used_input_method.id() == current_input_method.id()) {
SwitchToNextInputMethod();
return;
}
std::vector<std::string>::const_iterator iter =
std::find(active_input_method_ids.begin(), active_input_method_ids.end(),
last_used_input_method.id());
if (iter == active_input_method_ids.end()) {
// last_used_input_method is not supported.
SwitchToNextInputMethod();
return;
}
ChangeInputMethod(*iter, true);
}
void InputMethodManagerImpl::StateImpl::SwitchToNextInputMethodInternal(
const std::vector<std::string>& input_method_ids,
const std::string& current_input_methodid) {
std::vector<std::string>::const_iterator iter = std::find(
input_method_ids.begin(), input_method_ids.end(), current_input_methodid);
if (iter != input_method_ids.end())
++iter;
if (iter == input_method_ids.end())
iter = input_method_ids.begin();
ChangeInputMethod(*iter, true);
}
InputMethodDescriptor InputMethodManagerImpl::StateImpl::GetCurrentInputMethod()
const {
if (current_input_method.id().empty())
return InputMethodUtil::GetFallbackInputMethodDescriptor();
return current_input_method;
}
bool InputMethodManagerImpl::StateImpl::InputMethodIsActivated(
const std::string& input_method_id) const {
return base::ContainsValue(active_input_method_ids, input_method_id);
}
void InputMethodManagerImpl::StateImpl::EnableInputView() {
input_view_url = current_input_method.input_view_url();
}
void InputMethodManagerImpl::StateImpl::DisableInputView() {
input_view_url = GURL();
}
const GURL& InputMethodManagerImpl::StateImpl::GetInputViewUrl() const {
return input_view_url;
}
// ------------------------ InputMethodManagerImpl
bool InputMethodManagerImpl::IsLoginKeyboard(
const std::string& layout) const {
return util_.IsLoginKeyboard(layout);
}
bool InputMethodManagerImpl::MigrateInputMethods(
std::vector<std::string>* input_method_ids) {
return util_.MigrateInputMethods(input_method_ids);
}
// Starts or stops the system input method framework as needed.
void InputMethodManagerImpl::ReconfigureIMFramework(
InputMethodManagerImpl::StateImpl* state) {
LoadNecessaryComponentExtensions(state);
// Initialize candidate window controller and widgets such as
// candidate window, infolist and mode indicator. Note, mode
// indicator is used by only keyboard layout input methods.
if (state_.get() == state)
MaybeInitializeCandidateWindowController();
}
void InputMethodManagerImpl::SetState(
scoped_refptr<InputMethodManager::State> state) {
DCHECK(state.get());
InputMethodManagerImpl::StateImpl* new_impl_state =
static_cast<InputMethodManagerImpl::StateImpl*>(state.get());
state_ = new_impl_state;
if (state_.get() && state_->active_input_method_ids.size()) {
// Initialize candidate window controller and widgets such as
// candidate window, infolist and mode indicator. Note, mode
// indicator is used by only keyboard layout input methods.
MaybeInitializeCandidateWindowController();
// Always call ChangeInputMethodInternal even when the input method id
// remain unchanged, because onActivate event needs to be sent to IME
// extension to update the current screen type correctly.
ChangeInputMethodInternal(state_->current_input_method, state_->profile,
false /* show_message */, true /* notify_menu */);
}
}
scoped_refptr<InputMethodManager::State>
InputMethodManagerImpl::GetActiveIMEState() {
return scoped_refptr<InputMethodManager::State>(state_.get());
}
InputMethodManagerImpl::InputMethodManagerImpl(
std::unique_ptr<InputMethodDelegate> delegate,
bool enable_extension_loading)
: delegate_(std::move(delegate)),
ui_session_(STATE_LOGIN_SCREEN),
state_(NULL),
util_(delegate_.get()),
component_extension_ime_manager_(new ComponentExtensionIMEManager()),
enable_extension_loading_(enable_extension_loading),
is_ime_menu_activated_(false),
features_enabled_state_(InputMethodManager::FEATURE_ALL) {
if (IsRunningAsSystemCompositor()) {
keyboard_ = std::make_unique<ImeKeyboardMus>(
g_browser_process->platform_part()->GetInputDeviceControllerClient());
} else {
keyboard_.reset(new FakeImeKeyboard());
}
// Initializes the system IME list.
std::unique_ptr<ComponentExtensionIMEManagerDelegate> comp_delegate(
new ComponentExtensionIMEManagerImpl());
component_extension_ime_manager_->Initialize(std::move(comp_delegate));
const InputMethodDescriptors& descriptors =
component_extension_ime_manager_->GetAllIMEAsInputMethodDescriptor();
util_.ResetInputMethods(descriptors);
chromeos::UserAddingScreen::Get()->AddObserver(this);
}
InputMethodManagerImpl::~InputMethodManagerImpl() {
if (candidate_window_controller_.get())
candidate_window_controller_->RemoveObserver(this);
chromeos::UserAddingScreen::Get()->RemoveObserver(this);
}
void InputMethodManagerImpl::RecordInputMethodUsage(
const std::string& input_method_id) {
UMA_HISTOGRAM_ENUMERATION("InputMethod.Category",
GetInputMethodCategory(input_method_id),
INPUT_METHOD_CATEGORY_MAX);
base::UmaHistogramSparse("InputMethod.ID2",
static_cast<int32_t>(base::Hash(input_method_id)));
}
void InputMethodManagerImpl::AddObserver(
InputMethodManager::Observer* observer) {
observers_.AddObserver(observer);
observer->OnExtraInputEnabledStateChange(
base::FeatureList::IsEnabled(features::kEHVInputOnImeMenu),
features_enabled_state_ & InputMethodManager::FEATURE_EMOJI,
features_enabled_state_ & InputMethodManager::FEATURE_HANDWRITING,
features_enabled_state_ & InputMethodManager::FEATURE_VOICE);
}
void InputMethodManagerImpl::AddCandidateWindowObserver(
InputMethodManager::CandidateWindowObserver* observer) {
candidate_window_observers_.AddObserver(observer);
}
void InputMethodManagerImpl::AddImeMenuObserver(
InputMethodManager::ImeMenuObserver* observer) {
ime_menu_observers_.AddObserver(observer);
}
void InputMethodManagerImpl::RemoveObserver(
InputMethodManager::Observer* observer) {
observers_.RemoveObserver(observer);
}
void InputMethodManagerImpl::RemoveCandidateWindowObserver(
InputMethodManager::CandidateWindowObserver* observer) {
candidate_window_observers_.RemoveObserver(observer);
}
void InputMethodManagerImpl::RemoveImeMenuObserver(
InputMethodManager::ImeMenuObserver* observer) {
ime_menu_observers_.RemoveObserver(observer);
}
InputMethodManager::UISessionState InputMethodManagerImpl::GetUISessionState() {
return ui_session_;
}
void InputMethodManagerImpl::SetUISessionState(UISessionState new_ui_session) {
ui_session_ = new_ui_session;
if (ui_session_ == STATE_TERMINATING && candidate_window_controller_.get())
candidate_window_controller_.reset();
}
void InputMethodManagerImpl::OnUserAddingStarted() {
if (ui_session_ == STATE_BROWSER_SCREEN)
SetUISessionState(STATE_SECONDARY_LOGIN_SCREEN);
}
void InputMethodManagerImpl::OnUserAddingFinished() {
if (ui_session_ == STATE_SECONDARY_LOGIN_SCREEN)
SetUISessionState(STATE_BROWSER_SCREEN);
}
std::unique_ptr<InputMethodDescriptors>
InputMethodManagerImpl::GetSupportedInputMethods() const {
return std::unique_ptr<InputMethodDescriptors>(new InputMethodDescriptors);
}
const InputMethodDescriptor* InputMethodManagerImpl::LookupInputMethod(
const std::string& input_method_id,
InputMethodManagerImpl::StateImpl* state) {
DCHECK(state);
std::string input_method_id_to_switch = input_method_id;
// Sanity check
if (!state->InputMethodIsActivated(input_method_id)) {
std::unique_ptr<InputMethodDescriptors> input_methods(
state->GetActiveInputMethods());
DCHECK(!input_methods->empty());
input_method_id_to_switch = input_methods->at(0).id();
if (!input_method_id.empty()) {
DVLOG(1) << "Can't change the current input method to "
<< input_method_id << " since the engine is not enabled. "
<< "Switch to " << input_method_id_to_switch << " instead.";
}
}
const InputMethodDescriptor* descriptor = NULL;
if (extension_ime_util::IsExtensionIME(input_method_id_to_switch) ||
extension_ime_util::IsArcIME(input_method_id_to_switch)) {
DCHECK(state->extra_input_methods.find(input_method_id_to_switch) !=
state->extra_input_methods.end());
descriptor = &(state->extra_input_methods[input_method_id_to_switch]);
} else {
descriptor =
util_.GetInputMethodDescriptorFromId(input_method_id_to_switch);
if (!descriptor)
LOG(ERROR) << "Unknown input method id: " << input_method_id_to_switch;
}
DCHECK(descriptor);
return descriptor;
}
void InputMethodManagerImpl::ChangeInputMethodInternal(
const InputMethodDescriptor& descriptor,
Profile* profile,
bool show_message,
bool notify_menu) {
// No need to switch input method when terminating.
if (ui_session_ == STATE_TERMINATING) {
VLOG(1) << "No need to switch input method when terminating.";
return;
}
if (candidate_window_controller_.get())
candidate_window_controller_->Hide();
if (notify_menu) {
// Clear property list. Property list would be updated by
// extension IMEs via IMEEngineHandlerInterface::(Set|Update)MenuItems.
// If the current input method is a keyboard layout, empty
// properties are sufficient.
const ui::ime::InputMethodMenuItemList empty_menu_item_list;
ui::ime::InputMethodMenuManager* input_method_menu_manager =
ui::ime::InputMethodMenuManager::GetInstance();
input_method_menu_manager->SetCurrentInputMethodMenuItemList(
empty_menu_item_list);
}
// Disable the current engine handler.
ui::IMEEngineHandlerInterface* engine =
ui::IMEBridge::Get()->GetCurrentEngineHandler();
if (engine)
engine->Disable();
// Configure the next engine handler.
// This must be after |current_input_method| has been set to new input
// method, because engine's Enable() method needs to access it.
const std::string& extension_id =
extension_ime_util::GetExtensionIDFromInputMethodID(descriptor.id());
const std::string& component_id =
extension_ime_util::GetComponentIDByInputMethodID(descriptor.id());
if (engine_map_.find(profile) == engine_map_.end() ||
engine_map_[profile].find(extension_id) == engine_map_[profile].end()) {
LOG_IF(ERROR, base::SysInfo::IsRunningOnChromeOS())
<< "IMEEngine for \"" << extension_id << "\" is not registered";
}
engine = engine_map_[profile][extension_id];
ui::IMEBridge::Get()->SetCurrentEngineHandler(engine);
if (engine) {
engine->Enable(component_id);
} else {
// If no engine to enable, cancel the virtual keyboard url override so that
// it can use the fallback system virtual keyboard UI.
state_->DisableInputView();
ReloadKeyboard();
}
// Change the keyboard layout to a preferred layout for the input method.
if (!keyboard_->SetCurrentKeyboardLayoutByName(
descriptor.GetPreferredKeyboardLayout())) {
LOG(ERROR) << "Failed to change keyboard layout to "
<< descriptor.GetPreferredKeyboardLayout();
}
// Update input method indicators (e.g. "US", "DV") in Chrome windows.
for (auto& observer : observers_)
observer.InputMethodChanged(this, profile, show_message);
// Update the current input method in IME menu.
NotifyImeMenuListChanged();
}
void InputMethodManagerImpl::LoadNecessaryComponentExtensions(
InputMethodManagerImpl::StateImpl* state) {
// Load component extensions but also update |active_input_method_ids| as
// some component extension IMEs may have been removed from the Chrome OS
// image. If specified component extension IME no longer exists, falling back
// to an existing IME.
DCHECK(state);
std::vector<std::string> unfiltered_input_method_ids;
unfiltered_input_method_ids.swap(state->active_input_method_ids);
for (size_t i = 0; i < unfiltered_input_method_ids.size(); ++i) {
if (!extension_ime_util::IsComponentExtensionIME(
unfiltered_input_method_ids[i])) {
// Legacy IMEs or xkb layouts are alwayes active.
state->active_input_method_ids.push_back(unfiltered_input_method_ids[i]);
} else if (component_extension_ime_manager_->IsWhitelisted(
unfiltered_input_method_ids[i])) {
if (enable_extension_loading_) {
component_extension_ime_manager_->LoadComponentExtensionIME(
state->profile, unfiltered_input_method_ids[i]);
}
state->active_input_method_ids.push_back(unfiltered_input_method_ids[i]);
}
}
}
void InputMethodManagerImpl::ActivateInputMethodMenuItem(
const std::string& key) {
DCHECK(!key.empty());
if (ui::ime::InputMethodMenuManager::GetInstance()->
HasInputMethodMenuItemForKey(key)) {
ui::IMEEngineHandlerInterface* engine =
ui::IMEBridge::Get()->GetCurrentEngineHandler();
if (engine)
engine->PropertyActivate(key);
return;
}
DVLOG(1) << "ActivateInputMethodMenuItem: unknown key: " << key;
}
bool InputMethodManagerImpl::IsISOLevel5ShiftUsedByCurrentInputMethod() const {
return keyboard_->IsISOLevel5ShiftAvailable();
}
bool InputMethodManagerImpl::IsAltGrUsedByCurrentInputMethod() const {
return keyboard_->IsAltGrAvailable();
}
ImeKeyboard* InputMethodManagerImpl::GetImeKeyboard() {
return keyboard_.get();
}
InputMethodUtil* InputMethodManagerImpl::GetInputMethodUtil() {
return &util_;
}
ComponentExtensionIMEManager*
InputMethodManagerImpl::GetComponentExtensionIMEManager() {
return component_extension_ime_manager_.get();
}
scoped_refptr<InputMethodManager::State> InputMethodManagerImpl::CreateNewState(
Profile* profile) {
StateImpl* new_state = new StateImpl(this, profile);
// Active IM should be set to owner/user's default.
PrefService* prefs = g_browser_process->local_state();
PrefService* user_prefs = profile ? profile->GetPrefs() : nullptr;
std::string initial_input_method_id;
if (user_prefs) {
initial_input_method_id =
user_prefs->GetString(prefs::kLanguageCurrentInputMethod);
}
if (initial_input_method_id.empty()) {
initial_input_method_id =
prefs->GetString(chromeos::language_prefs::kPreferredKeyboardLayout);
}
const InputMethodDescriptor* descriptor =
GetInputMethodUtil()->GetInputMethodDescriptorFromId(
initial_input_method_id.empty()
? GetInputMethodUtil()->GetFallbackInputMethodDescriptor().id()
: initial_input_method_id);
if (descriptor) {
new_state->active_input_method_ids.push_back(descriptor->id());
new_state->current_input_method = *descriptor;
}
return scoped_refptr<InputMethodManager::State>(new_state);
}
void InputMethodManagerImpl::SetCandidateWindowControllerForTesting(
CandidateWindowController* candidate_window_controller) {
candidate_window_controller_.reset(candidate_window_controller);
candidate_window_controller_->AddObserver(this);
}
void InputMethodManagerImpl::SetImeKeyboardForTesting(ImeKeyboard* keyboard) {
keyboard_.reset(keyboard);
}
void InputMethodManagerImpl::InitializeComponentExtensionForTesting(
std::unique_ptr<ComponentExtensionIMEManagerDelegate> delegate) {
component_extension_ime_manager_->Initialize(std::move(delegate));
util_.ResetInputMethods(
component_extension_ime_manager_->GetAllIMEAsInputMethodDescriptor());
}
void InputMethodManagerImpl::CandidateClicked(int index) {
ui::IMEEngineHandlerInterface* engine =
ui::IMEBridge::Get()->GetCurrentEngineHandler();
if (engine)
engine->CandidateClicked(index);
}
void InputMethodManagerImpl::CandidateWindowOpened() {
for (auto& observer : candidate_window_observers_)
observer.CandidateWindowOpened(this);
}
void InputMethodManagerImpl::CandidateWindowClosed() {
for (auto& observer : candidate_window_observers_)
observer.CandidateWindowClosed(this);
}
void InputMethodManagerImpl::ImeMenuActivationChanged(bool is_active) {
// Saves the state that whether the expanded IME menu has been activated by
// users. This method is only called when the preference is changing.
state_->menu_activated = is_active;
MaybeNotifyImeMenuActivationChanged();
}
void InputMethodManagerImpl::NotifyInputMethodExtensionAdded(
const std::string& extension_id) {
for (auto& observer : observers_)
observer.OnInputMethodExtensionAdded(extension_id);
}
void InputMethodManagerImpl::NotifyInputMethodExtensionRemoved(
const std::string& extension_id) {
for (auto& observer : observers_)
observer.OnInputMethodExtensionRemoved(extension_id);
}
void InputMethodManagerImpl::NotifyImeMenuListChanged() {
for (auto& observer : ime_menu_observers_)
observer.ImeMenuListChanged();
}
void InputMethodManagerImpl::MaybeInitializeCandidateWindowController() {
if (candidate_window_controller_.get())
return;
candidate_window_controller_.reset(
CandidateWindowController::CreateCandidateWindowController());
candidate_window_controller_->AddObserver(this);
}
void InputMethodManagerImpl::NotifyImeMenuItemsChanged(
const std::string& engine_id,
const std::vector<InputMethodManager::MenuItem>& items) {
for (auto& observer : ime_menu_observers_)
observer.ImeMenuItemsChanged(engine_id, items);
}
void InputMethodManagerImpl::MaybeNotifyImeMenuActivationChanged() {
if (is_ime_menu_activated_ == state_->menu_activated)
return;
is_ime_menu_activated_ = state_->menu_activated;
for (auto& observer : ime_menu_observers_)
observer.ImeMenuActivationChanged(is_ime_menu_activated_);
UMA_HISTOGRAM_BOOLEAN("InputMethod.ImeMenu.ActivationChanged",
is_ime_menu_activated_);
}
void InputMethodManagerImpl::OverrideKeyboardKeyset(mojom::ImeKeyset keyset) {
GURL url = state_->GetInputViewUrl();
// If fails to find ref or tag "id" in the ref, it means the current IME is
// not system IME, and we don't support show emoji, handwriting or voice
// input for such IME extension.
if (!url.has_ref())
return;
std::string overridden_ref = url.ref();
auto i = overridden_ref.find("id=");
if (i == std::string::npos)
return;
if (keyset == mojom::ImeKeyset::kNone) {
// Resets the url as the input method default url and notify the hash
// changed to VK.
state_->input_view_url = state_->current_input_method.input_view_url();
ReloadKeyboard();
return;
}
// For system IME extension, the input view url is overridden as:
// chrome-extension://${extension_id}/inputview.html#id=us.compact.qwerty
// &language=en-US&passwordLayout=us.compact.qwerty&name=keyboard_us
// Fow emoji, handwriting and voice input, we append the keyset to the end of
// id like: id=${keyset}.emoji/hwt/voice.
auto j = overridden_ref.find("&", i + 1);
if (j == std::string::npos) {
overridden_ref += "." + KeysetToString(keyset);
} else {
overridden_ref.replace(j, 0, "." + KeysetToString(keyset));
}
GURL::Replacements replacements;
replacements.SetRefStr(overridden_ref);
state_->input_view_url = url.ReplaceComponents(replacements);
ReloadKeyboard();
}
void InputMethodManagerImpl::SetImeMenuFeatureEnabled(ImeMenuFeature feature,
bool enabled) {
const uint32_t original_state = features_enabled_state_;
if (enabled)
features_enabled_state_ |= feature;
else
features_enabled_state_ &= ~feature;
if (original_state != features_enabled_state_)
NotifyObserversImeExtraInputStateChange();
}
bool InputMethodManagerImpl::GetImeMenuFeatureEnabled(
ImeMenuFeature feature) const {
return features_enabled_state_ & feature;
}
void InputMethodManagerImpl::NotifyObserversImeExtraInputStateChange() {
for (auto& observer : observers_) {
const bool is_ehv_enabled =
base::FeatureList::IsEnabled(features::kEHVInputOnImeMenu);
const bool is_emoji_enabled =
(features_enabled_state_ & InputMethodManager::FEATURE_EMOJI);
const bool is_handwriting_enabled =
(features_enabled_state_ & InputMethodManager::FEATURE_HANDWRITING);
const bool is_voice_enabled =
(features_enabled_state_ & InputMethodManager::FEATURE_VOICE);
observer.OnExtraInputEnabledStateChange(is_ehv_enabled, is_emoji_enabled,
is_handwriting_enabled,
is_voice_enabled);
}
}
ui::InputMethodKeyboardController*
InputMethodManagerImpl::GetInputMethodKeyboardController() {
// TODO(stevenjb/shuchen): Fix this for Mash. https://crbug.com/756059
if (features::IsMultiProcessMash())
return nullptr;
// Callers expect a nullptr when the keyboard is disabled. See
// https://crbug.com/850020.
if (!keyboard::KeyboardController::HasInstance() ||
!keyboard::KeyboardController::Get()->IsEnabled()) {
return nullptr;
}
return keyboard::KeyboardController::Get()
->input_method_keyboard_controller();
}
void InputMethodManagerImpl::ReloadKeyboard() {
auto* keyboard_client = ChromeKeyboardControllerClient::Get();
if (keyboard_client->is_keyboard_enabled())
keyboard_client->ReloadKeyboardIfNeeded();
}
} // namespace input_method
} // namespace chromeos