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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "chrome/browser/cocoa/tab_window_controller.h"
#include "base/logging.h"
#import "chrome/browser/cocoa/tab_strip_view.h"
@interface TabWindowController(PRIVATE)
- (void)setUseOverlay:(BOOL)useOverlay;
@end
@implementation TabWindowController
@synthesize tabStripView = tabStripView_;
@synthesize tabContentArea = tabContentArea_;
- (void)windowDidLoad {
// TODO(jrg): a non-normal window (e.g. for pop-ups) needs more work
// than just removal of the tab strip offset. But this is enough to
// avoid confusion (e.g. "new tab" on popup gets created in a
// different window).
if ([self isNormalWindow]) {
// Place the tab bar above the content box and add it to the view hierarchy
// as a sibling of the content view so it can overlap with the window frame.
NSRect tabFrame = [tabContentArea_ frame];
tabFrame.origin = NSMakePoint(0, NSMaxY(tabFrame));
tabFrame.size.height = NSHeight([tabStripView_ frame]);
[tabStripView_ setFrame:tabFrame];
}
[[[[self window] contentView] superview] addSubview:tabStripView_];
}
- (void)removeOverlay {
[self setUseOverlay:NO];
}
- (void)removeOverlayAfterDelay:(NSTimeInterval)delay {
[NSObject cancelPreviousPerformRequestsWithTarget:self
selector:@selector(removeOverlay)
object:nil];
[self performSelector:@selector(removeOverlay)
withObject:nil
afterDelay:delay];
}
- (void)showOverlay {
[self setUseOverlay:YES];
}
- (NSArray*)viewsToMoveToOverlay {
return [NSArray arrayWithObjects:[self tabStripView],
[self tabContentArea], nil];
}
// if |useOverlay| is true, we're moving views into the overlay's content
// area. If false, we're moving out of the overlay back into the window's
// content.
- (void)moveViewsBetweenWindowAndOverlay:(BOOL)useOverlay {
NSView* moveTo = useOverlay ?
[overlayWindow_ contentView] : [cachedContentView_ superview];
NSArray* viewsToMove = [self viewsToMoveToOverlay];
for (NSView* view in viewsToMove)
[moveTo addSubview:view];
}
// If |useOverlay| is YES, creates a new overlay window and puts the tab strip
// and the content area inside of it. This allows it to have a different opacity
// from the title bar. If NO, returns everything to the previous state and
// destroys the overlay window until it's needed again. The tab strip and window
// contents are returned to the original window.
- (void)setUseOverlay:(BOOL)useOverlay {
[NSObject cancelPreviousPerformRequestsWithTarget:self
selector:@selector(removeOverlay)
object:nil];
if (useOverlay && !overlayWindow_) {
DCHECK(!cachedContentView_);
overlayWindow_ = [[NSPanel alloc] initWithContentRect:[[self window] frame]
styleMask:NSBorderlessWindowMask
backing:NSBackingStoreBuffered
defer:YES];
[overlayWindow_ setTitle:@"overlay"];
[overlayWindow_ setBackgroundColor:[NSColor clearColor]];
[overlayWindow_ setOpaque:NO];
NSView *contentView = [overlayWindow_ contentView];
[contentView addSubview:[self tabStripView]];
cachedContentView_ = [[self window] contentView];
[self moveViewsBetweenWindowAndOverlay:useOverlay];
[[self window] addChildWindow:overlayWindow_ ordered:NSWindowAbove];
[overlayWindow_ orderFront:nil];
} else if (!useOverlay && overlayWindow_) {
DCHECK(cachedContentView_);
[[self window] setContentView:cachedContentView_];
[self moveViewsBetweenWindowAndOverlay:useOverlay];
[[self window] makeFirstResponder:cachedContentView_];
[[self window] display];
[[self window] removeChildWindow:overlayWindow_];
[overlayWindow_ orderOut:nil];
[overlayWindow_ release];
overlayWindow_ = nil;
cachedContentView_ = nil;
}
}
- (NSWindow*)overlayWindow {
return overlayWindow_;
}
- (BOOL)canReceiveFrom:(TabWindowController*)source {
// subclass must implement
NOTIMPLEMENTED();
return NO;
}
- (void)moveTabView:(NSView*)view
fromController:(TabWindowController*)dragController {
NOTIMPLEMENTED();
}
- (NSView *)selectedTabView {
NOTIMPLEMENTED();
return nil;
}
- (void)layoutTabs {
// subclass must implement
NOTIMPLEMENTED();
}
- (TabWindowController*)detachTabToNewWindow:(TabView*)tabView {
// subclass must implement
NOTIMPLEMENTED();
return NULL;
}
- (void)insertPlaceholderForTab:(TabView*)tab
frame:(NSRect)frame
yStretchiness:(CGFloat)yStretchiness {
// subclass must implement
NOTIMPLEMENTED();
}
- (void)removePlaceholder {
// subclass must implement
NOTIMPLEMENTED();
}
- (void)detachTabView:(NSView*)view {
// subclass must implement
NOTIMPLEMENTED();
}
- (NSInteger)numberOfTabs {
// subclass must implement
NOTIMPLEMENTED();
return 0;
}
- (NSString*)selectedTabTitle {
// subclass must implement
NOTIMPLEMENTED();
return @"";
}
- (BOOL)isNormalWindow {
// subclass must implement
NOTIMPLEMENTED();
return YES;
}
@end
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