From f85335a7f9fdbff012409bb2af8fecc81740eab0 Mon Sep 17 00:00:00 2001
From: Sven Weidauer <sven.weidauer@gmail.com>
Date: Wed, 19 Jan 2011 20:19:43 +0000
Subject: Implementing tabs and fixing scrolling.

svn path=/trunk/netsurf/; revision=11396
---
 .../PSMTabBarControl/PSMTabDragWindowController.m  | 119 +++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 cocoa/PSMTabBarControl/PSMTabDragWindowController.m

(limited to 'cocoa/PSMTabBarControl/PSMTabDragWindowController.m')

diff --git a/cocoa/PSMTabBarControl/PSMTabDragWindowController.m b/cocoa/PSMTabBarControl/PSMTabDragWindowController.m
new file mode 100644
index 000000000..018bca172
--- /dev/null
+++ b/cocoa/PSMTabBarControl/PSMTabDragWindowController.m
@@ -0,0 +1,119 @@
+//
+//  PSMTabDragWindowController.m
+//  PSMTabBarControl
+//
+//  Created by Kent Sutherland on 6/18/07.
+//  Copyright 2007 Kent Sutherland. All rights reserved.
+//
+
+#import "PSMTabDragWindowController.h"
+#import "PSMTabDragWindow.h"
+#import "PSMTabDragView.h"
+
+@implementation PSMTabDragWindowController
+
+- (id)initWithImage:(NSImage *)image styleMask:(NSUInteger)styleMask tearOffStyle:(PSMTabBarTearOffStyle)tearOffStyle
+{
+	PSMTabDragWindow *window = [PSMTabDragWindow dragWindowWithImage:image styleMask:styleMask];
+	if ( (self = [super initWithWindow:window]) ) {
+		_view = [[window dragView] retain];
+		_tearOffStyle = tearOffStyle;
+		
+		if (tearOffStyle == PSMTabBarTearOffMiniwindow) {
+			[window setBackgroundColor:[NSColor clearColor]];
+			[window setHasShadow:YES];
+		}
+		
+		[window setAlphaValue:kPSMTabDragWindowAlpha];
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	if (_timer) {
+		[_timer invalidate];
+	}
+	
+	if (_animation) {
+		[_animation release];
+	}
+	
+	[_view release];
+	[super dealloc];
+}
+
+- (NSImage *)image
+{
+	return [_view image];
+}
+
+- (NSImage *)alternateImage
+{
+	return [_view alternateImage];
+}
+
+- (void)setAlternateImage:(NSImage *)image
+{
+	[_view setAlternateImage:image];
+}
+
+- (BOOL)isAnimating
+{
+	return _animation != nil;
+}
+
+- (void)switchImages
+{
+	if (_tearOffStyle != PSMTabBarTearOffMiniwindow || ![_view alternateImage]) {
+		return;
+	}
+	
+	CGFloat progress = 0;
+	_showingAlternate = !_showingAlternate;
+	
+	if (_animation) {
+		//An animation already exists, get the current progress
+		progress = 1.0f - [_animation currentProgress];
+		[_animation stopAnimation];
+		[_animation release];
+	}
+	
+	//begin animating
+	_animation = [[NSAnimation alloc] initWithDuration:0.25 animationCurve:NSAnimationEaseInOut];
+	[_animation setAnimationBlockingMode:NSAnimationNonblocking];
+	[_animation setCurrentProgress:progress];
+	[_animation startAnimation];
+	
+	_originalWindowFrame = [[self window] frame];
+	
+	if (_timer) {
+		[_timer invalidate];
+	}
+	_timer = [NSTimer scheduledTimerWithTimeInterval:1.0f / 30.0f target:self selector:@selector(animateTimer:) userInfo:nil repeats:YES];
+}
+
+- (void)animateTimer:(NSTimer *)timer
+{
+	NSRect frame = _originalWindowFrame;
+	NSImage *currentImage = _showingAlternate ? [_view alternateImage] : [_view image];
+	NSSize size = [currentImage size];
+	NSPoint mousePoint = [NSEvent mouseLocation];
+	CGFloat animationValue = [_animation currentValue];
+	
+	frame.size.width = _originalWindowFrame.size.width + (size.width - _originalWindowFrame.size.width) * animationValue;
+	frame.size.height = _originalWindowFrame.size.height + (size.height - _originalWindowFrame.size.height) * animationValue;
+	frame.origin.x = mousePoint.x - (frame.size.width / 2);
+	frame.origin.y = mousePoint.y - (frame.size.height / 2);
+	
+	[_view setFadeValue:_showingAlternate ? 1.0f - animationValue : animationValue];
+	[[self window] setFrame:frame display:YES];
+	
+	if (![_animation isAnimating]) {
+		[_animation release], _animation = nil;
+		[timer invalidate];
+		_timer = nil;
+	}
+}
+
+@end
-- 
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