jcs.org
an experiment in making a cocoa webkit browser manageable under X11
add a status bar, show resource loading status
+121
-25
+13
-4
WKWindow.h
+13
-4
WKWindow.h
···
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NSScreen *screen;
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NSRect screen_frame;
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NSTextField *urlField;
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+
NSTextField *statusBar;
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WebView *browser;
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WebFrame *wframe;
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+
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NSURL *currentURL;
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+
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int resourceCount;
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int resourceCompletedCount;
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int resourceFailedCount;
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}
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-
- (void)setPosition: (NSArray *)aCoords;
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-
- (void)setShadow: (X11Window *)input;
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-
- (void)loadURL: (NSString *)url;
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- (void)setPosition:(NSArray *)aCoords;
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- (void)setShadow:(X11Window *)input;
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+
- (void)setStatus:(NSString *)text;
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- (void)setStatusToResourceCounts;
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- (void)setTitle:(NSString *)text;
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- (void)loadURL:(NSString *)url;
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- (void)loadURLFromTextField;
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-
- (void)updateProgress;
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33
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@end
+108
-21
WKWindow.m
+108
-21
WKWindow.m
···
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[window setBackgroundColor:[NSColor blackColor]];
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[window setAcceptsMouseMovedEvents:YES];
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+
currentURL = [[NSURL alloc] init];
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+
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NSRect bframe = NSMakeRect(0, 0, 300, 300);
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browser = [[WebView alloc] initWithFrame:bframe
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frameName:nil
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groupName:nil];
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-
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-
/* setup callbacks to update the url and title */
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-
[[NSNotificationCenter defaultCenter] addObserver:self
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-
selector:@selector(updateProgress)
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-
name:WebViewProgressStartedNotification
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object:nil];
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-
[[NSNotificationCenter defaultCenter] addObserver:self
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-
selector:@selector(updateProgress)
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-
name:WebViewProgressFinishedNotification
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object:nil];
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-
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[browser setGroupName:@"shadowebkit"];
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[browser setUIDelegate:self];
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[browser setResourceLoadDelegate:self];
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[browser setFrameLoadDelegate:self];
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[window.contentView addSubview:browser];
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urlField = [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 0, 0)];
···
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[urlField setAction:@selector(loadURLFromTextField)];
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[window.contentView addSubview:urlField];
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40
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+
statusBar = [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 0, 0)];
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[statusBar setTarget:self];
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[statusBar setEditable:false];
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[statusBar setSelectable:false];
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[statusBar setBordered:false];
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[statusBar setTextColor:[NSColor lightGrayColor]];
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[statusBar setBackgroundColor:[NSColor blackColor]];
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[self setStatus:@""];
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[window.contentView addSubview:statusBar];
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+
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wframe = [browser mainFrame];
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[window makeKeyAndOrderFront:window];
···
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[self loadURL:[urlField stringValue]];
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}
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-
- (void)loadURL: (NSString *)url
64
+
- (void)loadURL:(NSString *)url
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{
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NSURL *u = [NSURL URLWithString:url];
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···
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[wframe loadRequest:[NSURLRequest requestWithURL:u]];
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}
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-
/* called while the page is loading, and then again when it finishes */
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-
- (void)updateProgress
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-
{
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-
[urlField setStringValue:[browser mainFrameURL]];
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-
[shadow setWindowTitle:[browser mainFrameTitle]];
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-
}
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-
77
-
- (void)setPosition: (NSArray *)aCoords
75
+
- (void)setPosition:(NSArray *)aCoords
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{
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int x = [[aCoords objectAtIndex:0] intValue];
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int y = [[aCoords objectAtIndex:1] intValue];
···
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[urlField setFrame:NSMakeRect(0, height - 23, width, 23)];
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/* browser's coordinates are relative to the window */
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-
[browser setFrame:NSMakeRect(0, 0, width, height - 24)];
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+
[browser setFrame:NSMakeRect(0, 17, width, height - 17 - 24)];
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+
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[statusBar setFrame:NSMakeRect(0, 0, width, 17)];
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[window makeKeyAndOrderFront:window];
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}
···
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shadow = [input retain];
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}
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+
- (void)setStatus:(NSString *)text
111
+
{
112
+
[statusBar setStringValue:text];
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+
}
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+
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+
- (void)setStatusToResourceCounts
116
+
{
117
+
if (resourceCompletedCount + resourceFailedCount >= resourceCount)
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[self setStatus:@""];
119
+
else
120
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[self setStatus:[NSString
121
+
stringWithFormat:@"Loading \"%@\", completed %d of %d item%s",
122
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[currentURL absoluteString], resourceCompletedCount,
123
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resourceCount, (resourceCount == 1 ? "" : "s")]];
124
+
}
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+
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+
- (void)setTitle:(NSString *)text
127
+
{
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[shadow setWindowTitle:text];
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+
}
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+
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/* these are needed because setting styleMask to NSBorderlessWindowMask turns
111
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* them off */
112
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- (BOOL)canBecomeKeyWindow
···
118
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{
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return YES;
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}
142
+
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/* WebFrameLoadDelegate glue */
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+
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+
- (void)webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame
147
+
{
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if (frame != [sender mainFrame])
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return;
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+
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[self setStatus:@""];
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+
}
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+
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+
- (void)webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame
155
+
{
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+
if (frame != [sender mainFrame])
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return;
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+
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[self setTitle:title];
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+
}
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+
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- (void)webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame
163
+
{
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+
if (frame != [sender mainFrame])
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+
return;
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+
167
+
currentURL = [[NSURL URLWithString:[[[[frame provisionalDataSource]
168
+
request] URL] absoluteString]] retain];
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+
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+
resourceCount = 0;
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+
resourceCompletedCount = 0;
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+
resourceFailedCount = 0;
173
+
174
+
[urlField setStringValue:[currentURL absoluteString]];
175
+
[self setStatus:[NSString stringWithFormat:@"Loading \"%@\"...",
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+
[currentURL absoluteString]]];
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+
}
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+
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+
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/* WebResourceLoadDelegate glue */
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+
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- (id)webView:(WebView *)sender identifierForInitialRequest:(NSURLRequest *)request fromDataSource:(WebDataSource *)dataSource
183
+
{
184
+
return [NSNumber numberWithInt:resourceCount++];
185
+
}
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+
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+
- (NSURLRequest *)webView:(WebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponsefromDataSource:(WebDataSource *)dataSource
188
+
{
189
+
/* TODO: implement an ad blocker here? */
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[self setStatusToResourceCounts];
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+
return request;
192
+
}
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+
194
+
- (void)webView:(WebView *)sender resource:(id)identifier didFailLoadingWithError:(NSError *)error fromDataSource:(WebDataSource *)dataSource
195
+
{
196
+
resourceFailedCount++;
197
+
[self setStatusToResourceCounts];
198
+
}
199
+
200
+
- (void)webView:(WebView *)sender resource:(id)identifier didFinishLoadingFromDataSource:(WebDataSource *)dataSource
201
+
{
202
+
resourceCompletedCount++;
203
+
[self setStatusToResourceCounts];
204
+
}
205
+
206
+
/* WebUIDelegate glue */
207
+
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@end