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-rw-r--r--include/datetime/formatter.h118
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+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ * Charles Kerr <charles.kerr@canonical.com>
+ */
+
+#ifndef INDICATOR_DATETIME_FORMATTER_H
+#define INDICATOR_DATETIME_FORMATTER_H
+
+#include <core/property.h>
+#include <core/signal.h>
+
+#include <glib.h>
+
+namespace unity {
+namespace indicator {
+namespace datetime {
+
+class Clock;
+class DateTime;
+
+/***
+****
+***/
+
+/**
+ * \brief Provides the right time format strings based on the profile and user's settings
+ */
+class Formatter
+{
+public:
+
+ /** \brief The time format string for the menu header */
+ core::Property<std::string> headerFormat;
+
+ /** \brief The time string for the menu header. (eg, the headerFormat + the clock's time */
+ core::Property<std::string> header;
+
+ /** \brief Signal to denote when the relativeFormat has changed.
+ When this is emitted, clients will want to rebuild their
+ menuitems that contain relative time strings */
+ core::Signal<> relativeFormatChanged;
+
+ /** \brief Generate a relative time format for some time (or time range)
+ from the current clock's value. For example, a full-day interval
+ starting at the end of the current clock's day yields "Tomorrow" */
+ std::string getRelativeFormat(GDateTime* then, GDateTime* then_end=nullptr) const;
+
+protected:
+
+ Formatter(const std::shared_ptr<Clock>&);
+ virtual ~Formatter();
+
+ /** \brief Returns true if the current locale prefers 12h display instead of 24h */
+ static bool is_locale_12h();
+
+ static const char * getDefaultHeaderTimeFormat(bool twelvehour, bool show_seconds);
+
+ /** \brief Translate the string based on LC_TIME instead of LC_MESSAGES.
+ The intent of this is to let users set LC_TIME to override
+ their other locale settings when generating time format string */
+ static const char * T_(const char * fmt);
+
+private:
+
+ Formatter(const Formatter&) =delete;
+ Formatter& operator=(const Formatter&) =delete;
+
+ class Impl;
+ std::unique_ptr<Impl> p;
+};
+
+
+/**
+ * \brief A Formatter for the Desktop and DesktopGreeter profiles.
+ */
+class DesktopFormatter: public Formatter
+{
+public:
+ DesktopFormatter(const std::shared_ptr<Clock>&);
+ ~DesktopFormatter();
+
+private:
+ class Impl;
+ friend Impl;
+ std::unique_ptr<Impl> p;
+};
+
+
+/**
+ * \brief A Formatter for Phone and PhoneGreeter profiles.
+ */
+class PhoneFormatter: public Formatter
+{
+public:
+ PhoneFormatter(const std::shared_ptr<Clock>& clock): Formatter(clock) {
+ headerFormat.set(getDefaultHeaderTimeFormat(is_locale_12h(), false));
+ }
+};
+
+} // namespace datetime
+} // namespace indicator
+} // namespace unity
+
+#endif // INDICATOR_DATETIME_CLOCK_H