refactor the Notifications / sound / awake code

1 files changed, 116 insertions, 0 deletions

diff --git a/include/notifications/notifications.h b/include/notifications/notifications.h
new file mode 100644
index 0000000..b4c88b4
--- /dev/null
+++ b/include/notifications/notifications.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2014 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 UNITY_INDICATOR_NOTIFICATIONS_NOTIFICATIONS_H
+#define UNITY_INDICATOR_NOTIFICATIONS_NOTIFICATIONS_H
+
+#include <chrono>
+#include <functional>
+#include <memory>
+#include <string>
+
+namespace unity {
+namespace indicator {
+namespace notifications {
+
+class Engine;
+
+/**
+ * Helper class for showing notifications.
+ *
+ * Populate the builder, with the relevant properites,
+ * then pass it to Engine::show().
+ * 
+ * @see Engine::show(Builder)
+ */
+class Builder
+{
+public:
+    Builder();
+    ~Builder();
+
+    void set_title (const std::string& title);
+    void set_body (const std::string& body);
+    void set_icon_name (const std::string& icon_name);
+
+    /* Set an interval, after which the notification will automatically
+       be closed. If not set, the notification server's default timeout
+       is used. */
+    void set_timeout (const std::chrono::seconds& duration);
+
+    /* Add a notification hint.
+       These keys may be dependent on the notification server. */
+    void add_hint (const std::string& name);
+    static constexpr char const * HINT_SNAP {"x-canonical-snap-decisions"};
+    static constexpr char const * HINT_TINT {"x-canonical-private-button-tint"};
+
+    /* Add an action button.
+       This may fail if the Engine doesn't support actions.
+       @see Engine::supports_actions() */
+    void add_action (const std::string& action, const std::string& label);
+
+    /** Sets the closed callback. This will be called exactly once. */
+    void set_closed_callback (std::function<void(const std::string& action)>);
+
+private:
+    friend class Engine;
+    class Impl;
+    std::unique_ptr<Impl> impl;
+};
+
+/**
+ * Manages Notifications and the connection to the notification server.
+ *
+ * When this class is destroyed, any remaining notifications it created
+ * will be closed and their closed() callbacks will be invoked.
+ */
+class Engine
+{
+public:
+    Engine(const std::string& app_name);
+    ~Engine();
+
+    /** @see Builder::set_action() */
+    bool supports_actions() const;
+
+    /** Show a notification.
+        @return nonzero on success, zero on failure. */
+    int show(const Builder& builder);
+
+    /** Close a notification.
+        @param key the int returned by show()
+        @return true if the notification was closed. */
+    bool close(int key);
+
+    /** Close all remaining notifications.
+        *@return true if all closed successfully. */
+    bool close_all();
+
+    const std::string& app_name() const;
+    
+private:
+    class Impl;
+    std::unique_ptr<Impl> impl;
+};
+
+} // namespace notifications
+} // namespace indicator
+} // namespace unity
+
+#endif // UNITY_INDICATOR_NOTIFICATIONS_NOTIFICATIONS_H