xref: /base/inputmethod/imf/services/adapter/keyboard/src/combination_key.cpp

/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "combination_key.h"

#include <map>
#include <set>

#include "keyboard_event.h"

namespace OHOS {
namespace MiscServices {
const std::map<CombinationKeyFunction, std::set<uint8_t>> COMBINATION_KEY_MAP{
    { CombinationKeyFunction::SWITCH_LANGUAGE, { KeyboardEvent::SHIFT_LEFT_MASK, KeyboardEvent::SHIFT_RIGHT_MASK } },
    { CombinationKeyFunction::SWITCH_IME,
        {
            KeyboardEvent::SHIFT_LEFT_MASK | KeyboardEvent::CTRL_LEFT_MASK,
            KeyboardEvent::SHIFT_RIGHT_MASK | KeyboardEvent::CTRL_RIGHT_MASK,
            KeyboardEvent::SHIFT_LEFT_MASK | KeyboardEvent::CTRL_RIGHT_MASK,
            KeyboardEvent::SHIFT_RIGHT_MASK | KeyboardEvent::CTRL_LEFT_MASK,
            KeyboardEvent::META_MASK | KeyboardEvent::SPACE_MASK,
        } },
    { CombinationKeyFunction::SWITCH_MODE, { KeyboardEvent::CAPS_MASK } },
};

bool CombinationKey::IsMatch(CombinationKeyFunction combinationKey, uint32_t state)
{
    IMSA_HILOGD("combinationKey: %{public}d, state: %{public}d.", combinationKey, state);
    auto expectedKeys = COMBINATION_KEY_MAP.find(combinationKey);
    if (expectedKeys == COMBINATION_KEY_MAP.end()) {
        IMSA_HILOGD("unknown key function.");
        return false;
    }
    return expectedKeys->second.find(state) != expectedKeys->second.end();
}
} // namespace MiscServices
} // namespace OHOS