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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/bookmark_bar_controller.h"
#import "chrome/browser/cocoa/bookmark_bar_state_controller.h"
#import "chrome/browser/cocoa/toolbar_view.h"
#include "chrome/browser/profile.h"
@interface BookmarkBarController(Private)
- (void)applyContentAreaOffset:(BOOL)apply;
- (void)positionBar;
- (void)showBookmarkBar:(BOOL)enable;
@end
@implementation BookmarkBarController
- (id)initWithProfile:(Profile*)profile
contentArea:(NSView*)content {
if ((self = [super init])) {
bookmarkModel_ = profile->GetBookmarkModel();
contentArea_ = content;
bookmarkBarStateController_.reset([[BookmarkBarStateController alloc]
initWithProfile:profile]);
// Create and initialize the view's position. Show it if appropriate.
// TODO(jrg): put it in a nib if necessary.
NSRect frame = NSMakeRect(0, 0, 0, 30);
bookmarkView_ = [[ToolbarView alloc] initWithFrame:frame];
[self positionBar];
if ([self isBookmarkBarVisible])
[self showBookmarkBar:YES];
[[[contentArea_ window] contentView] addSubview:bookmarkView_];
}
return self;
}
// Initializes the bookmark bar at the top edge of |contentArea_| and the
// view's visibility to match the pref. This doesn't move the content view at
// all, you need to call |-showBookmarkBar:| to do that.
- (void)positionBar {
NSRect contentFrame = [contentArea_ frame];
NSRect barFrame = [bookmarkView_ frame];
// Hide or show bar based on initial visibility and set the resize flags.
[bookmarkView_ setAutoresizingMask:NSViewWidthSizable | NSViewMinYMargin];
[bookmarkView_ setHidden:[self isBookmarkBarVisible] ? NO : YES];
// Position the bar at the top of the content area, within the window's
// content view (as opposed to the tab strip, which is a sibling). We'll
// slide the content area down when we need to show this strip.
contentFrame.size.height -= barFrame.size.height;
barFrame.origin.y = NSMaxY(contentFrame);
barFrame.origin.x = 0;
barFrame.size.width = contentFrame.size.width;
[bookmarkView_ setFrame:barFrame];
}
// Show or hide the bar based on the value of |enable|. Handles animating the
// resize of the content view.
- (void)showBookmarkBar:(BOOL)enable {
contentAreaHasOffset_ = enable;
[bookmarkView_ setHidden:enable ? NO : YES];
[self applyContentAreaOffset:enable];
if (enable) {
// TODO(jrg): display something useful in the bookmark bar
// TODO(jrg): use a BookmarksView, not a ToolbarView
// TODO(jrg): don't draw a border around it
// TODO(jrg): ...
}
}
// Apply a contents box offset to make (or remove) room for the
// bookmark bar. If apply==YES, always make room (the contentView_ is
// "full size"). If apply==NO we are trying to undo an offset. If no
// offset there is nothing to undo.
- (void)applyContentAreaOffset:(BOOL)apply {
if (bookmarkView_ == nil) {
// We're too early, but awakeFromNib will call me again.
return;
}
if (!contentAreaHasOffset_ && apply) {
// There is no offset to unconditionally apply.
return;
}
int offset = [bookmarkView_ frame].size.height;
NSRect frame = [contentArea_ frame];
if (apply)
frame.size.height -= offset;
else
frame.size.height += offset;
// TODO(jrg): animate
[[contentArea_ animator] setFrame:frame];
[bookmarkView_ setNeedsDisplay:YES];
[contentArea_ setNeedsDisplay:YES];
}
- (BOOL)isBookmarkBarVisible {
return [bookmarkBarStateController_ visible];
}
- (void)toggleBookmarkBar {
[bookmarkBarStateController_ toggleBookmarkBar];
BOOL visible = [self isBookmarkBarVisible];
[self showBookmarkBar:visible ? YES : NO];
}
- (NSView*)view {
return bookmarkView_;
}
@end
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