Initial Testa commit

nativeprogressbar_mac.mm

@@ -0,0 +1,87 @@
+// BSD License: https://github.com/hokein/DockProgressBar
+
+#import <Cocoa/Cocoa.h>
+
+@interface DockDownloadProgressBar : NSProgressIndicator
+
++ (DockDownloadProgressBar*)sharedDockDownloadProgressBar;
+
+- (void)setProgress:(float)progress;
+
+- (void)updateProgressBar;
+
+- (void)hideProgressBar;
+
+- (void)clear;
+
+@end
+
+@implementation DockDownloadProgressBar
+
++ (DockDownloadProgressBar*)sharedDockDownloadProgressBar {
+  static DockDownloadProgressBar* progress_bar;
+  NSDockTile* dock_tile = [NSApp dockTile];
+  if (!progress_bar) {
+    progress_bar = [[DockDownloadProgressBar alloc] initWithFrame:
+                     NSMakeRect(0.0f, 0.0f, dock_tile.size.width, 15.0f)];
+    [progress_bar setStyle:NSProgressIndicatorBarStyle];
+    [progress_bar setIndeterminate:NO];
+    [progress_bar setBezeled:YES];
+    [progress_bar setMinValue:0];
+    [progress_bar setMaxValue:1];
+    [progress_bar setHidden:NO];
+  }
+  if ([dock_tile contentView] == NULL) {
+    NSImageView* content_view = [[NSImageView alloc] init];
+    [content_view setImage:[NSApp applicationIconImage]];
+    [dock_tile setContentView:content_view];
+    [content_view addSubview:progress_bar];
+  }
+  return progress_bar;
+}
+
+- (void)drawRect:(NSRect)dirtyRect {
+  // Draw edges of rounded rect.
+  NSRect rect = NSInsetRect([self bounds], 1.0, 1.0);
+  CGFloat radius = rect.size.height / 2;
+  NSBezierPath* bezier_path = [NSBezierPath bezierPathWithRoundedRect:rect
+                                            xRadius:radius
+                                            yRadius:radius];
+  [bezier_path setLineWidth:2.0];
+  [[NSColor grayColor] set];
+  [bezier_path stroke];
+
+  // Fill the rounded rect.
+  rect = NSInsetRect(rect, 2.0, 2.0);
+  radius = rect.size.height / 2;
+  bezier_path = [NSBezierPath bezierPathWithRoundedRect:rect xRadius:radius yRadius:radius];
+  [bezier_path setLineWidth:1.0];
+  [bezier_path addClip];
+
+  // Calculate the progress width.
+  rect.size.width = floor(rect.size.width * ([self doubleValue] / [self maxValue]));
+
+  // Fill the progress bar with color blue.
+  [[NSColor colorWithSRGBRed:0.2 green:0.6 blue:1 alpha:1] set];
+  NSRectFill(rect);
+}
+
+- (void)updateProgressBar {
+  [self setHidden:NO];
+  [[NSApp dockTile] display];
+}
+
+- (void)hideProgressBar {
+  [self setHidden:YES];
+  [[NSApp dockTile] display];
+}
+
+- (void)setProgress:(float)progress {
+  [self setDoubleValue:progress];
+}
+
+- (void)clear {
+  [[NSApp dockTile] setContentView:NULL];
+}
+
+@end