diff options
Diffstat (limited to 'plugins/cordova-plugin-splashscreen/src/wp/SplashScreen.cs')
| -rw-r--r-- | plugins/cordova-plugin-splashscreen/src/wp/SplashScreen.cs | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/plugins/cordova-plugin-splashscreen/src/wp/SplashScreen.cs b/plugins/cordova-plugin-splashscreen/src/wp/SplashScreen.cs new file mode 100644 index 00000000..680a8058 --- /dev/null +++ b/plugins/cordova-plugin-splashscreen/src/wp/SplashScreen.cs @@ -0,0 +1,252 @@ +/* + 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. +*/ + +using System; +using System.Net; +using System.Windows; +using System.Windows.Controls; +using System.Windows.Documents; +using System.Windows.Ink; +using System.Windows.Input; +using System.Windows.Media; +using System.Windows.Media.Animation; +using System.Windows.Shapes; +using Microsoft.Phone.Info; +using System.Windows.Controls.Primitives; +using System.Diagnostics; +using System.Windows.Media.Imaging; +using System.Windows.Resources; +using System.IO; +using System.Xml.Linq; +using System.Linq; +using System.Windows.Threading; + +namespace WPCordovaClassLib.Cordova.Commands +{ + /// <summary> + /// Listens for changes to the state of the battery on the device. + /// Currently only the "isPlugged" parameter available via native APIs. + /// </summary> + public class SplashScreen : BaseCommand + { + private Popup popup; + + // Time until we dismiss the splashscreen + private int prefDelay = 3000; + + // Whether we hide it by default + private bool prefAutoHide = true; + + // Path to image to use + private string prefImagePath = "SplashScreenImage.jpg"; + + // static because autodismiss is only ever applied once, at app launch + // subsequent page loads should not cause the SplashScreen to be shown. + private static bool WasShown = false; + + public SplashScreen() + { + LoadConfigPrefs(); + + Image SplashScreen = new Image() + { + Height = Application.Current.Host.Content.ActualHeight, + Width = Application.Current.Host.Content.ActualWidth, + Stretch = Stretch.Fill + }; + + var imageResource = GetSplashScreenImageResource(); + if (imageResource != null) + { + BitmapImage splash_image = new BitmapImage(); + splash_image.SetSource(imageResource.Stream); + SplashScreen.Source = splash_image; + } + + // Instansiate the popup and set the Child property of Popup to SplashScreen + popup = new Popup() { IsOpen = false, + Child = SplashScreen, + HorizontalAlignment = HorizontalAlignment.Stretch, + VerticalAlignment = VerticalAlignment.Center + + }; + } + + public override void OnInit() + { + // we only want to autoload on the first page load. + // but OnInit is called for every page load. + if (!SplashScreen.WasShown) + { + SplashScreen.WasShown = true; + show(); + } + } + + private void LoadConfigPrefs() + { + StreamResourceInfo streamInfo = Application.GetResourceStream(new Uri("config.xml", UriKind.Relative)); + if (streamInfo != null) + { + using (StreamReader sr = new StreamReader(streamInfo.Stream)) + { + //This will Read Keys Collection for the xml file + XDocument configFile = XDocument.Parse(sr.ReadToEnd()); + + string configAutoHide = configFile.Descendants() + .Where(x => (string)x.Attribute("name") == "AutoHideSplashScreen") + .Select(x => (string)x.Attribute("value")) + .FirstOrDefault(); + + bool bVal; + prefAutoHide = bool.TryParse(configAutoHide, out bVal) ? bVal : prefAutoHide; + + string configDelay = configFile.Descendants() + .Where(x => (string)x.Attribute("name") == "SplashScreenDelay") + .Select(x => (string)x.Attribute("value")) + .FirstOrDefault(); + int nVal; + prefDelay = int.TryParse(configDelay, out nVal) ? nVal : prefDelay; + + string configImage = configFile.Descendants() + .Where(x => (string)x.Attribute("name") == "SplashScreen") + .Select(x => (string)x.Attribute("value")) + .FirstOrDefault(); + + if (!String.IsNullOrEmpty(configImage)) + { + prefImagePath = configImage; + } + } + } + } + + private StreamResourceInfo GetSplashScreenImageResource() + { + // Get the base filename for the splash screen images + string imageName = System.IO.Path.GetFileNameWithoutExtension(prefImagePath); + Uri imageUri = null; + StreamResourceInfo imageResource = null; + + // First, try to get a resolution-specific splashscreen + try + { + // Determine the device's resolution + switch (ResolutionHelper.CurrentResolution) + { + case Resolutions.HD: + imageUri = new Uri(imageName + ".screen-720p.jpg", UriKind.Relative); + break; + + case Resolutions.WVGA: + imageUri = new Uri(imageName + ".screen-WVGA.jpg", UriKind.Relative); + break; + + case Resolutions.WXGA: + default: + imageUri = new Uri(imageName + ".screen-WXGA.jpg", UriKind.Relative); + break; + } + + imageResource = Application.GetResourceStream(imageUri); + } + catch (Exception) + { + // It's OK if we didn't get a resolution-specific image + } + + // Fallback to the default image name without decoration + if (imageResource == null) + { + imageUri = new Uri(prefImagePath, UriKind.Relative); + imageResource = Application.GetResourceStream(imageUri); + } + + if (imageUri != null) Debug.WriteLine("INFO :: SplashScreen: using image {0}", imageUri.OriginalString); + + return imageResource; + } + + public void show(string options = null) + { + Deployment.Current.Dispatcher.BeginInvoke(() => + { + if (!popup.IsOpen) + { + popup.Child.Opacity = 0; + + Storyboard story = new Storyboard(); + DoubleAnimation animation = new DoubleAnimation() + { + From = 0.0, + To = 1.0, + Duration = new Duration(TimeSpan.FromSeconds(0.2)) + }; + + Storyboard.SetTarget(animation, popup.Child); + Storyboard.SetTargetProperty(animation, new PropertyPath("Opacity")); + story.Children.Add(animation); + + story.Begin(); + + popup.IsOpen = true; + + if (prefAutoHide) + { + StartAutoHideTimer(); + } + } + }); + } + + public void hide(string options = null) + { + Deployment.Current.Dispatcher.BeginInvoke(() => + { + if (popup.IsOpen) + { + popup.Child.Opacity = 1.0; + + Storyboard story = new Storyboard(); + DoubleAnimation animation = new DoubleAnimation() + { + From = 1.0, + To = 0.0, + Duration = new Duration(TimeSpan.FromSeconds(0.4)) + }; + + Storyboard.SetTarget(animation, popup.Child); + Storyboard.SetTargetProperty(animation, new PropertyPath("Opacity")); + story.Children.Add(animation); + story.Completed += (object sender, EventArgs e) => + { + popup.IsOpen = false; + }; + story.Begin(); + } + }); + } + + private void StartAutoHideTimer() + { + var timer = new DispatcherTimer() { Interval = TimeSpan.FromMilliseconds(prefDelay) }; + timer.Tick += (object sender, EventArgs e) => + { + hide(); + timer.Stop(); + }; + timer.Start(); + } + } +} |