WinGui: Some further work in the background on the still preview feature.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5922 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 43 insertions, 4 deletions

diff --git a/win/CS/HandBrakeWPF/ViewModels/PictureSettingsViewModel.cs b/win/CS/HandBrakeWPF/ViewModels/PictureSettingsViewModel.cs
index e3cb8afa1..c45299e8e 100644
--- a/win/CS/HandBrakeWPF/ViewModels/PictureSettingsViewModel.cs
+++ b/win/CS/HandBrakeWPF/ViewModels/PictureSettingsViewModel.cs
@@ -23,7 +23,7 @@ namespace HandBrakeWPF.ViewModels
     using HandBrake.Interop.Model.Encoding;

 

     using HandBrakeWPF.Helpers;

-    using HandBrakeWPF.Services.Interfaces;

+    using HandBrakeWPF.Utilities;

     using HandBrakeWPF.ViewModels.Interfaces;

 

     using Size = System.Drawing.Size;

@@ -103,6 +103,11 @@ namespace HandBrakeWPF.ViewModels
         /// </summary>

         private bool showKeepAr = true;

 

+        /// <summary>

+        /// The delayed previewprocessor.

+        /// </summary>

+        private DelayedActionProcessor delayedPreviewprocessor = new DelayedActionProcessor();

+

         #endregion

 

         #region Constructors and Destructors

@@ -157,6 +162,7 @@ namespace HandBrakeWPF.ViewModels
                 this.NotifyOfPropertyChange(() => this.CropBottom);

                 this.CropAdjust();

                 this.SetDisplaySize();

+                this.UpdatePreviewImage();

             }

         }

 

@@ -176,6 +182,7 @@ namespace HandBrakeWPF.ViewModels
                 this.NotifyOfPropertyChange(() => this.CropLeft);

                 this.CropAdjust();

                 this.SetDisplaySize();

+                this.UpdatePreviewImage();

             }

         }

 

@@ -195,6 +202,7 @@ namespace HandBrakeWPF.ViewModels
                 this.NotifyOfPropertyChange(() => this.CropRight);

                 this.CropAdjust();

                 this.SetDisplaySize();

+                this.UpdatePreviewImage();

             }

         }

 

@@ -214,6 +222,7 @@ namespace HandBrakeWPF.ViewModels
                 this.NotifyOfPropertyChange(() => this.CropTop);

                 this.CropAdjust();

                 this.SetDisplaySize();

+                this.UpdatePreviewImage();

             }

         }

 

@@ -253,6 +262,7 @@ namespace HandBrakeWPF.ViewModels
                     this.Task.DisplayWidth = value;

                     this.CustomAnamorphicAdjust();

                     this.NotifyOfPropertyChange(() => this.DisplayWidth);

+                    this.UpdatePreviewImage();

                 }

             }

         }

@@ -274,6 +284,7 @@ namespace HandBrakeWPF.ViewModels
                     this.Task.Height = value;

                     this.HeightAdjust();

                     this.NotifyOfPropertyChange(() => this.Height);

+                    this.UpdatePreviewImage();

                 }

             }

         }

@@ -327,6 +338,7 @@ namespace HandBrakeWPF.ViewModels
                 this.Task.KeepDisplayAspect = value;

                 this.WidthAdjust();

                 this.NotifyOfPropertyChange(() => this.MaintainAspectRatio);

+                this.UpdatePreviewImage();

             }

         }

 

@@ -358,6 +370,7 @@ namespace HandBrakeWPF.ViewModels
                     this.Task.PixelAspectY = value;

                     this.CustomAnamorphicAdjust();

                     this.NotifyOfPropertyChange(() => this.ParHeight);

+                    this.UpdatePreviewImage();

                 }

             }

         }

@@ -379,6 +392,7 @@ namespace HandBrakeWPF.ViewModels
                     this.Task.PixelAspectX = value;

                     this.CustomAnamorphicAdjust();

                     this.NotifyOfPropertyChange(() => this.ParWidth);

+                    this.UpdatePreviewImage();

                 }

             }

         }

@@ -400,6 +414,7 @@ namespace HandBrakeWPF.ViewModels
                     this.Task.Anamorphic = value;

                     this.AnamorphicAdjust();

                     this.NotifyOfPropertyChange(() => this.SelectedAnamorphicMode);

+                    this.UpdatePreviewImage();

                 }

             }

         }

@@ -419,6 +434,7 @@ namespace HandBrakeWPF.ViewModels
                 this.Task.Modulus = value;

                 this.ModulusAdjust();

                 this.NotifyOfPropertyChange(() => this.SelectedModulus);

+                this.UpdatePreviewImage();

             }

         }

 

@@ -510,6 +526,7 @@ namespace HandBrakeWPF.ViewModels
                     this.Task.Width = value;

                     this.WidthAdjust();

                     this.NotifyOfPropertyChange(() => this.Width);

+                    this.UpdatePreviewImage();

                 }

             }

         }

@@ -768,7 +785,7 @@ namespace HandBrakeWPF.ViewModels
                     if (this.SelectedAnamorphicMode == Anamorphic.None)

                     {

                         this.Width = preset.Task.Width ?? (this.MaxWidth - this.CropLeft - this.CropRight);

-                            // Note: This will be auto-corrected in the property if it's too large.

+                        // Note: This will be auto-corrected in the property if it's too large.

                     }

                     else

                     {

@@ -812,7 +829,7 @@ namespace HandBrakeWPF.ViewModels
             if (image != null)

             {

                 this.StaticPreviewViewModel.PreviewFrame(image, this.Task);

-                this.WindowManager.ShowDialog(this.StaticPreviewViewModel);

+                this.WindowManager.ShowWindow(this.StaticPreviewViewModel);

             }

         }

 

@@ -1176,6 +1193,28 @@ namespace HandBrakeWPF.ViewModels
             return job;

         }

 

-       #endregion

+        /// <summary>

+        /// Updates the preview after a period of time.

+        /// This gives the user the opertunity to make changes in quick sucession without the image refreshing instantly

+        /// and causing performance lag.

+        /// </summary>

+        private void UpdatePreviewImage()

+        {

+            if (delayedPreviewprocessor != null)

+            {

+                delayedPreviewprocessor.PerformTask(() =>

+                {

+                    IScan scanService = IoC.Get<IScan>();

+                    BitmapImage image = scanService.GetPreview(this.Task, 1);

+

+                    if (image != null)

+                    {

+                        this.StaticPreviewViewModel.PreviewFrame(image, this.Task);

+                    }

+                }, 800);

+            }

+        }

+

+        #endregion

     }

 }
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