Esempio n. 1
0
        /// <summary>
        /// Garbage collection
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tmrCleanup_Tick(object sender, EventArgs e)
        {
            if (Settings.Instance != null)
            {
                if (MeteredConnection.IsMetered(Settings.Instance.MeteredSSIDs))
                {
                    return;
                }

                if (Settings.Instance.LastUsage > Settings.Instance.MaxQueries * 0.95) //Don't wipe out if usage is too high.
                {
                    return;
                }
            }

            if (!cleanupRunning)
            {
                try{
                    CleanupTasks();
                    //if (tasks.Count == 0)
                    //CleanupFiles();
                }
                catch (Exception) { }
            }
        }
Esempio n. 2
0
        private void tmrUpdate_Tick(object sender, EventArgs e)
        {
            if (updateRunning)
            {
                return;
            }
            updateRunning = true;

            Random r = new Random();

            if (Settings.Instance == null)
            {
                if (!LoadSettings())
                {
                    updateRunning = false;
                    return;
                }
            }

            if (!MeteredConnection.IsMetered(Settings.Instance.MeteredSSIDs))
            {
                Settings.Instance.PurgeCachedResults(new TimeSpan(1, 0, 0));

                if (Settings.Instance.CachedResults.Count == 0 || UnderThreshold())
                {
                    GetMoreResults();
                }
            }

            if (Settings.Instance.CachedResults.Count > 0)
            {
                int rand = r.Next(0, Settings.Instance.CachedResults.Count - 1);

                while (Settings.Instance.CachedResults.Count > 0 && !File.Exists(Settings.Instance.CachedResults[rand].Path))
                {
                    Settings.Instance.RemoveCachedResult(Settings.Instance.CachedResults[rand]);
                    if (Settings.Instance.CachedResults.Count > 0)
                    {
                        rand = r.Next(0, Settings.Instance.CachedResults.Count - 1);
                    }
                }

                if (Settings.Instance.CachedResults.Count > 0)
                {
                    foreach (Screen screen in Screen.AllScreens)
                    {
                        rand = r.Next(0, Settings.Instance.CachedResults.Count - 1);
                        SetImage(screen, Settings.Instance.CachedResults[rand]);
                    }
                }
                else
                {
                    List <string> files = new List <string>();
                    files.AddRange(Directory.GetFiles(Settings.Instance.CacheDirectory, "*.jpg"));
                    files.AddRange(Directory.GetFiles(Settings.Instance.CacheDirectory, "*.png"));

                    if (files != null && files.Count > 0)
                    {
                        foreach (Screen screen in Screen.AllScreens)
                        {
                            rand = r.Next(0, files.Count - 1);
                            SetImage(screen, files[rand]);
                        }
                    }
                }
            }

            if (Settings.Instance.UpdateMin != Settings.Instance.UpdateMax)
            {
                tmrUpdate.Interval = r.Next(Settings.Instance.UpdateMin * 1000, Settings.Instance.UpdateMax * 1000);
            }
            else
            {
                tmrUpdate.Interval = Settings.Instance.UpdateMin * 1000;
            }

            updateRunning = false;
        }
Esempio n. 3
0
        /// <summary>
        /// Timer function to handle Cache and displaying next image.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tmrUpdate_Tick(object sender, EventArgs e)
        {
            if (Settings.Instance == null)
            {
                if (!LoadSettings())
                {
                    lblNotConfigured.Visible = true;

                    if (this.Height - lblNotConfigured.Height > 0 && this.Width - lblNotConfigured.Width > 0)
                    {
                        //lblNotConfigured should move around.
                        lblNotConfigured.Left = ThreadSafeRandom.ThisThreadsRandom.Next(0, this.Width - lblNotConfigured.Width);
                        lblNotConfigured.Top  = ThreadSafeRandom.ThisThreadsRandom.Next(0, this.Height - lblNotConfigured.Height);
                    }
                    return;
                }
            }
            else if (lblNotConfigured.Visible)
            {
                lblNotConfigured.Visible = false;
            }

            if (!Settings.Instance.ShowDescription)
            {
                pnlDescription.Visible = false;
            }

            if (PlaylistIndex < Playlist.Count)
            {
                SetImage();
            }
            try
            {
                //Handle stale cache items only if not on a metered WiFi connection.
                //Not actually tested this yet!
                if (!MeteredConnection.IsMetered(Settings.Instance.MeteredSSIDs))
                {
                    if (Settings.Instance.LastUsage < Settings.Instance.MaxQueries * 0.9 && tasks.Count == 0) //Don't wipe out if usage is too high.
                    {
                        Settings.Instance.PurgeCachedResults(new TimeSpan(1, 0, 0));
                    }

                    if (Settings.Instance.CachedResults.Count == 0 || UnderThreshold())
                    {
                        GetMoreResults();
                    }
                }

                if (Settings.Instance.CachedResults.Count > 0)
                {
                    int rand = ThreadSafeRandom.ThisThreadsRandom.Next(0, Settings.Instance.CachedResults.Count - 1);

                    //Remove Cache item if the image isn't on the file system. (Assume removed externally)
                    while (Settings.Instance.CachedResults.Count > 0 && !File.Exists(Settings.Instance.CachedResults[rand].Path))
                    {
                        Settings.Instance.RemoveCachedResult(Settings.Instance.CachedResults[rand]);
                        if (Settings.Instance.CachedResults.Count > 0)
                        {
                            rand = ThreadSafeRandom.ThisThreadsRandom.Next(0, Settings.Instance.CachedResults.Count - 1);
                        }
                    }

                    if (Settings.Instance.CachedResults.Count > 0)
                    {
                        rand = ThreadSafeRandom.ThisThreadsRandom.Next(0, Settings.Instance.CachedResults.Count - 1);
                        SetImage(Settings.Instance.CachedResults[rand]);
                    }
                    else
                    {
                        //Fallback if there are images but cache is empty for some reason?

                        List <string> files = new List <string>();
                        files.AddRange(Directory.GetFiles(Settings.Instance.CacheDirectory, "*.jpg"));
                        files.AddRange(Directory.GetFiles(Settings.Instance.CacheDirectory, "*.png"));

                        if (files != null && files.Count > 0)
                        {
                            rand = ThreadSafeRandom.ThisThreadsRandom.Next(0, files.Count - 1);
                            SetImage(files[rand]);
                        }
                    }

                    this.BackgroundImageLayout = Settings.Instance.Layout;
                }
            }
            catch (Exception) { }

            if (Settings.Instance.UpdateMin != Settings.Instance.UpdateMax)
            {
                tmrUpdate.Interval = ThreadSafeRandom.ThisThreadsRandom.Next(Settings.Instance.UpdateMin * 1000, Settings.Instance.UpdateMax * 1000);
            }
            else
            {
                tmrUpdate.Interval = Settings.Instance.UpdateMin * 1000;
            }

            //if (lblNotConfigured.Text.Equals("OK", StringComparison.InvariantCultureIgnoreCase))
            //    lblNotConfigured.Visible = false;
        }