// Copyright © 2017 Paddy Xu

//

// This file is part of QuickLook program.

//

// This program is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// This program is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY 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/>.

using System;

using System.Windows;

using System.Windows.Input;

using System.Windows.Media.Animation;

using QuickLook.Common.ExtensionMethods;

using QuickLook.Common.Helpers;

using QuickLook.Common.Plugin;

using QuickLook.Helpers;

using Brush = System.Windows.Media.Brush;

using FontFamily = System.Windows.Media.FontFamily;

using Size = System.Windows.Size;

namespace QuickLook

{

/// <summary>

/// Interaction logic for ViewerWindow.xaml

/// </summary>

public partial class ViewerWindow : Window

{

private Size _customWindowSize = Size.Empty;

private bool _ignoreNextWindowSizeChange;

private string _path = string.Empty;

internal ViewerWindow()

{

// this object should be initialized before loading UI components, because many of which are binding to it.

ContextObject = new ContextObject();

ContextObject.PropertyChanged += ContextObject_PropertyChanged;

InitializeComponent();

Icon = (App.IsWin10 ? Properties.Resources.app_white_png : Properties.Resources.app_png).ToBitmapSource();

FontFamily = new FontFamily(TranslationHelper.Get("UI_FontFamily", failsafe: "Segoe UI"));

SizeChanged += SaveWindowSizeOnSizeChanged;

StateChanged += (sender, e) => _ignoreNextWindowSizeChange = true;

windowFrameContainer.PreviewMouseMove += ShowWindowCaptionContainer;

Topmost = SettingHelper.Get("Topmost", false);

buttonTop.Tag = Topmost ? "Top" : "Auto";

buttonTop.Click += (sender, e) =>

{

Topmost = !Topmost;

SettingHelper.Set("Topmost", Topmost);

buttonTop.Tag = Topmost ? "Top" : "Auto";

};

buttonPin.Click += (sender, e) =>

{

if (Pinned)

return;

ViewWindowManager.GetInstance().ForgetCurrentWindow();

};

buttonCloseWindow.Click += (sender, e) =>

{

if (Pinned)

BeginClose();

else

ViewWindowManager.GetInstance().ClosePreview();

};

buttonOpen.Click += (sender, e) =>

{

if (Pinned)

RunAndClose();

else

ViewWindowManager.GetInstance().RunAndClosePreview();

};

buttonWindowStatus.Click += (sender, e) =>

WindowState = WindowState == WindowState.Maximized ? WindowState.Normal : WindowState.Maximized;

buttonShare.Click += (sender, e) => ShareHelper.Share(_path, this);

buttonOpenWith.Click += (sender, e) => ShareHelper.Share(_path, this, true);

}

public override void OnApplyTemplate()

{

base.OnApplyTemplate();

if (SystemParameters.IsGlassEnabled && App.IsWin10 && !App.IsGPUInBlacklist)

WindowHelper.EnableBlur(this);

else

Background = (Brush) FindResource("MainWindowBackgroundNoTransparent");

}

private void SaveWindowSizeOnSizeChanged(object sender, SizeChangedEventArgs e)

{

// first shown?

if (e.PreviousSize == new Size(0, 0))

return;

// resize when switching preview?

if (_ignoreNextWindowSizeChange)

{

_ignoreNextWindowSizeChange = false;

return;

}

// by user?

_customWindowSize = new Size(Width, Height);

}

private void ShowWindowCaptionContainer(object sender, MouseEventArgs e)

{

var show = (Storyboard) windowCaptionContainer.FindResource("ShowCaptionContainerStoryboard");

if (windowCaptionContainer.Opacity == 0 || windowCaptionContainer.Opacity == 1)

show.Begin();

}

private void AutoHideCaptionContainer(object sender, EventArgs e)

{

if (!ContextObject.TitlebarAutoHide)

return;

if (!ContextObject.TitlebarOverlap)

return;

if (windowCaptionContainer.IsMouseOver)

return;

var hide = (Storyboard) windowCaptionContainer.FindResource("HideCaptionContainerStoryboard");

hide.Begin();

}

}

}