pjs/camino/CHBookmarksToolbar.mm

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Mozilla browser.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 2002 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* David Hyatt <hyatt@netscape.com> (Original Author)
*/
#import "CHBookmarksButton.h"
#import "CHBookmarksToolbar.h"
#import "BookmarksService.h"
#include "nsIDOMElement.h"
@implementation CHBookmarksToolbar
- (id)initWithFrame:(NSRect)frame {
if ( (self = [super initWithFrame:frame]) ) {
mBookmarks = nsnull;
mButtons = [[NSMutableArray alloc] init];
}
return self;
}
-(void)initializeToolbar
{
// Initialization code here.
mBookmarks = new BookmarksService(self);
mBookmarks->AddObserver();
mBookmarks->EnsureToolbarRoot();
[self buildButtonList];
}
-(void) dealloc
{
[mButtons autorelease];
mBookmarks->RemoveObserver();
delete mBookmarks;
[super dealloc];
}
- (void)drawRect:(NSRect)aRect {
// Fill the background with our background color.
//[[NSColor colorWithCalibratedWhite: 0.98 alpha: 1.0] set];
//NSRectFill(aRect);
//printf("The rect is: %f %f %f %f\n", aRect.origin.x, aRect.origin.y, aRect.size.width, aRect.size.height);
if (aRect.origin.y + aRect.size.height ==
[self bounds].size.height) {
// The personal toolbar is 21 pixels tall. The bottom two pixels
// are a separator.
[[NSColor colorWithCalibratedWhite: 0.90 alpha: 1.0] set];
NSRectFill(NSMakeRect(aRect.origin.x, [self bounds].size.height-2, aRect.size.width, [self bounds].size.height));
}
// The buttons will paint themselves. Just call our base class method.
[super drawRect: aRect];
}
-(void)buildButtonList
{
// Build the buttons, and then lay them all out.
nsCOMPtr<nsIDOMNode> child;
BookmarksService::gToolbarRoot->GetFirstChild(getter_AddRefs(child));
while (child) {
nsCOMPtr<nsIDOMElement> childElt(do_QueryInterface(child));
if (childElt) {
CHBookmarksButton* button = [[[CHBookmarksButton alloc] initWithFrame: NSMakeRect(2, 1, 100, 17)] autorelease];
[button setElement: childElt];
[self addSubview: button];
[mButtons addObject: button];
}
nsCOMPtr<nsIDOMNode> temp = child;
temp->GetNextSibling(getter_AddRefs(child));
}
[self reflowButtons];
}
-(void)addButton: (nsIDOMElement*)aElt atIndex: (int)aIndex
{
CHBookmarksButton* button = [[[CHBookmarksButton alloc] initWithFrame: NSMakeRect(2, 1, 100, 17)] autorelease];
[button setElement: aElt];
[self addSubview: button];
[mButtons insertObject: button atIndex: aIndex];
[self reflowButtonsStartingAtIndex: aIndex];
}
-(void)removeButton: (nsIDOMElement*)aElt
{
int count = [mButtons count];
for (int i = 0; i < count; i++) {
CHBookmarksButton* button = [mButtons objectAtIndex: i];
if ([button element] == aElt) {
[mButtons removeObjectAtIndex: i];
[button removeFromSuperview];
if (count > i)
[self reflowButtonsStartingAtIndex: i];
break;
}
}
[self setNeedsDisplay: YES];
}
-(void)reflowButtons
{
[self reflowButtonsStartingAtIndex: 0];
}
-(void)reflowButtonsStartingAtIndex: (int)aIndex
{
float oldHeight = [self frame].size.height;
float computedHeight = 18;
int count = [mButtons count];
float currY = 1.0;
float prevX = 2.0;
if (aIndex > 0) {
CHBookmarksButton* prevButton = [mButtons objectAtIndex: (aIndex-1)];
prevX += [prevButton frame].origin.x + [prevButton frame].size.width;
currY = [prevButton frame].origin.y;
}
for (int i = aIndex; i < count; i++) {
CHBookmarksButton* button = [mButtons objectAtIndex: i];
[button sizeToFit];
float width = [button frame].size.width;
float height = [button frame].size.height;
if (width > 150)
width = 150;
if (height < 16)
height = 16; // Our folder tiff is only 15 pixels for some reason.
[button setFrame: NSMakeRect(prevX, currY, width, height)];
prevX += [button frame].size.width + 2;
if ([self bounds].size.width < prevX) {
// The previous button didn't fit. We need to make a new row.
currY += 18;
computedHeight += 18;
if (computedHeight > oldHeight) {
[self setFrame: NSMakeRect([self frame].origin.x, [self frame].origin.y+(oldHeight-computedHeight),
[self frame].size.width, computedHeight)];
[self setNeedsDisplay: YES];
}
prevX = 2;
[button setFrame: NSMakeRect(prevX, currY, width, height)];
prevX += [button frame].size.width + 2;
}
[button setNeedsDisplay: YES];
}
float currentHeight = [self frame].size.height;
if (computedHeight != currentHeight) {
[self setFrame: NSMakeRect([self frame].origin.x, [self frame].origin.y + (currentHeight - computedHeight),
[self frame].size.width, computedHeight)];
[self setNeedsDisplay: YES];
}
float sizeChange = computedHeight - oldHeight;
if (sizeChange != 0) {
// We need to adjust the content area.
NSView* view = [[[self window] windowController] getTabBrowser];
[view setFrame: NSMakeRect([view frame].origin.x, [view frame].origin.y,
[view frame].size.width, [view frame].size.height - sizeChange)];
}
}
-(BOOL)isFlipped
{
return YES; // Use flipped coords, so we can layout out from top row to bottom row.
}
-(void)setFrame:(NSRect)aRect
{
NSRect oldFrame = [self frame];
[super setFrame:aRect];
if (oldFrame.size.width == aRect.size.width)
return;
int count = [mButtons count];
if (count <= 2)
return; // We have too few buttons to care.
// Do some optimizations when we have only one row.
if (aRect.size.height < 25) // We have only one row.
{
if (oldFrame.size.width < aRect.size.width)
// We got bigger. If we already only have one row, just bail.
// This will optimize for a common resizing case.
return;
else {
// We got smaller. Just go to the last button and see if it is outside
// our bounds.
CHBookmarksButton* button = [mButtons objectAtIndex:(count-1)];
if ([button frame].origin.x + [button frame].size.width >
[self bounds].size.width - 2) {
// The button doesn't fit any more. Reflow starting at this index.
[self reflowButtonsStartingAtIndex:(count-1)];
}
}
}
else {
// See if we got bigger or smaller. We could gain or lose a row.
[self reflowButtons];
}
}
@end