365791dc59
## Summary This adds character counter below the “Send” button in SMS conversation. It uses format XXX/Y where XXX is number of characters that can be added without splitting the SMS into multiple messages (see article Concatenated SMS on Wikipedia). Y is number of messages in in current concatenated SMS. The counter is not visible when insertion of 10 7-bit or 16-bit (depends on SMS encoding) does not create concatenated SMS. SMS encoding is automatically guessed. 8-bit encodings are not supported. If the message contains characters that are not supported by GSM 7-bit encoding, counter automatically switches to UCS-2. ## Test Plan Try entering some text that is longer than 150 characters in [GSM 03.38 encoding][1] or 60 characters in UCS-2. Number of remaining characters should be visible below the “Send” button. The character counter should show `0` at exactly 160 or 70 characters. Inserting one character should switch the counter to [Concatenated SMS][2] mode when number of messages is shown. It should show exactly same number as SMS app in Android. ## Screenshots These images are in APNG.   [1]: https://en.wikipedia.org/w/index.php?oldid=932080074#GSM_7-bit_default_alphabet_and_extension_table_of_3GPP_TS_23.038_/_GSM_03.38 [2]: https://en.wikipedia.org/w/index.php?oldid=943185255#Message_size
126 lines
4.2 KiB
C++
126 lines
4.2 KiB
C++
/**
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* Copyright (C) 2019 Simon Redman <simon@ergotech.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License or (at your option) version 3 or any later version
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* accepted by the membership of KDE e.V. (or its successor approved
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* by the membership of KDE e.V.), which shall act as a proxy
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* defined in Section 14 of version 3 of the license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef SMSHELPER_H
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#define SMSHELPER_H
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#include <QIcon>
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#include <QLoggingCategory>
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#include <KPeople/PersonData>
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#include <QSharedPointer>
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#include "interfaces/conversationmessage.h"
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#include "kdeconnectsms_export.h"
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#include "smsapp/smscharcount.h"
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Q_DECLARE_LOGGING_CATEGORY(KDECONNECT_SMS_SMSHELPER)
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class PersonsCache;
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class KDECONNECTSMSAPPLIB_EXPORT SmsHelper
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{
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public:
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enum CountryCode {
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Australia,
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CzechRepublic,
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Other, // I only care about a few country codes
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};
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/**
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* Return true to indicate the two phone numbers should be considered the same, false otherwise
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*/
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static bool isPhoneNumberMatch(const QString& phone1, const QString& phone2);
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/**
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* Return true to indicate the two phone numbers should be considered the same, false otherwise
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* Requires canonicalized phone numbers as inputs
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*/
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static bool isPhoneNumberMatchCanonicalized(const QString& canonicalPhone1, const QString& canonicalPhone2);
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/**
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* See inline comments for how short codes are determined
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* All information from https://en.wikipedia.org/wiki/Short_code
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*/
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static bool isShortCode(const QString& canonicalNumber, const CountryCode& country);
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/**
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* Try to guess the country code from the passed number
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*/
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static CountryCode determineCountryCode(const QString& canonicalNumber);
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/**
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* Simplify a phone number to a known form
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*/
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static QString canonicalizePhoneNumber(const QString& phoneNumber);
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/**
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* Get the data for a particular person given their contact address
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*/
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static QSharedPointer<KPeople::PersonData> lookupPersonByAddress(const QString& address);
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/**
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* Make an icon which combines the many icons
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*
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* This mimics what Android does:
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* If there is only one icon, use that one
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* If there are two icons, put one in the top-left corner and one in the bottom right
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* If there are three, put one in the middle of the top and the remaining two in the bottom
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* If there are four or more, put one in each corner (If more than four, some will be left out)
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*/
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static QIcon combineIcons(const QList<QPixmap>& icons);
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/**
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* Get a combination of all the addresses as a comma-separated list of:
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* - The KPeople contact's name (if known)
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* - The address (if the contact is not known)
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*/
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static QString getTitleForAddresses(const QList<ConversationAddress>& addresses);
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/**
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* Get a combined icon for all contacts by finding:
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* - The KPeople contact's icon (if known)
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* - A generic icon
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* and then using SmsHelper::combineIcons
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*/
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static QIcon getIconForAddresses(const QList<ConversationAddress>& addresses);
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/**
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* Get the data for all persons currently stored on device
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*/
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static QList<QSharedPointer<KPeople::PersonData>> getAllPersons();
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/**
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* Get SMS character count status of SMS. It contains number of remaining characters
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* in current SMS (automatically selects 7-bit, 8-bit or 16-bit mode), octet count and
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* number of messages in concatenated SMS.
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*/
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static SmsCharCount getCharCount(const QString& message);
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static bool isInGsmAlphabet(const QChar& ch);
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static bool isInGsmAlphabetExtension(const QChar& ch);
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private:
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SmsHelper(){};
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~SmsHelper(){};
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};
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#endif // SMSHELPER_H
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