gecko-dev/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)
* Kathy Brade <brade@netscape.com>
* David Haas <haasd@cae.wisc.edu>
*/
#import "CHBookmarksButton.h"
#import "CHBookmarksToolbar.h"
#import "BookmarksService.h"
#import "BookmarksDataSource.h"
#include "nsIDOMElement.h"
#include "nsIContent.h"
@implementation CHBookmarksToolbar
- (id)initWithFrame:(NSRect)frame {
if ( (self = [super initWithFrame:frame]) ) {
mBookmarks = nsnull;
mButtons = [[NSMutableArray alloc] init];
mDragInsertionButton = nil;
mDragInsertionPosition = BookmarksService::CHInsertNone;
[self registerForDraggedTypes:[NSArray arrayWithObjects:@"MozURLType", @"MozBookmarkType", NSStringPboardType, nil]];
mIsShowing = YES;
}
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];
// draw a separator at drag n drop insertion point if there is one
if (mDragInsertionPosition) {
[[[NSColor controlShadowColor] colorWithAlphaComponent:0.6] set];
NSRectFill([self insertionRectForButton:mDragInsertionButton position:mDragInsertionPosition]);
}
}
-(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));
}
if ([self isShown])
[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];
if ([self isShown])
[self reflowButtonsStartingAtIndex: aIndex];
}
-(void)editButton: (nsIDOMElement*)aElt
{
int count = [mButtons count];
for (int i = 0; i < count; i++) {
CHBookmarksButton* button = [mButtons objectAtIndex: i];
if ([button element] == aElt) {
[button setElement: aElt];
if (count > i && [self isShown])
[self reflowButtonsStartingAtIndex: i];
break;
}
}
[self setNeedsDisplay: [self isShown]];
}
-(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 isShown])
[self reflowButtonsStartingAtIndex: i];
break;
}
}
[self setNeedsDisplay: [self isShown]];
}
-(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. There's no need to adjust the
// view's frame yet, we'll do that below.
currY += 18;
computedHeight += 18;
prevX = 2;
[button setFrame: NSMakeRect(prevX, currY, width, height)];
prevX += [button frame].size.width + 2;
}
[button setNeedsDisplay: YES];
}
// our size has changed, readjust our view's frame and the content area
if (computedHeight != oldHeight) {
[self setFrame: NSMakeRect([self frame].origin.x, [self frame].origin.y + (oldHeight - computedHeight),
[self frame].size.width, computedHeight)];
[self setNeedsDisplay: [self isShown]];
// adjust the content area.
float sizeChange = computedHeight - oldHeight;
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 || aRect.size.height == 0)
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];
}
}
-(BOOL)isShown
{
return mIsShowing;
}
-(void)showBookmarksToolbar: (BOOL)aShow
{
if (!aShow) {
float height = [self bounds].size.height;
[self setFrame: NSMakeRect([self frame].origin.x, [self frame].origin.y + height,
[self frame].size.width, 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 + height)];
}
else
// Reflowing the buttons will do the right thing.
[self reflowButtons];
mIsShowing = aShow;
}
- (void)setButtonInsertionPoint:(NSPoint)aPoint
{
int count = [mButtons count];
mDragInsertionButton = nsnull;
mDragInsertionPosition = BookmarksService::CHInsertAfter;
for (int i = 0; i < count; ++i) {
CHBookmarksButton* button = [mButtons objectAtIndex: i];
//NSLog(@"check %d - %d,%d %d,%d\n", i, [button frame].origin.x, [button frame].origin.y, aPoint.x, aPoint.y);
// XXX origin.y is coming up zero here! Need that to check the row we're dragging in :(
nsCOMPtr<nsIAtom> tagName;
nsCOMPtr<nsIContent> contentNode = do_QueryInterface([button element]);
contentNode->GetTag(*getter_AddRefs(tagName));
if (tagName == BookmarksService::gFolderAtom) {
if (([button frame].origin.x+([button frame].size.width) > aPoint.x)) {
mDragInsertionButton = button;
mDragInsertionPosition = BookmarksService::CHInsertInto;
return;
}
} else if (([button frame].origin.x+([button frame].size.width/2) > aPoint.x)) {
mDragInsertionButton = button;
mDragInsertionPosition = BookmarksService::CHInsertBefore;
return;
} else if (([button frame].origin.x+([button frame].size.width) > aPoint.x)) {
mDragInsertionButton = button;
mDragInsertionPosition = BookmarksService::CHInsertAfter;
return;
}
}
}
- (BOOL)dropDestinationValid:(NSPasteboard*)draggingPasteboard
{
NSArray* types = [draggingPasteboard types];
if ([types containsObject: @"MozBookmarkType"])
{
NSArray *draggedIDs = [draggingPasteboard propertyListForType: @"MozBookmarkType"];
nsCOMPtr<nsIContent> destinationContent;
int index = 0;
if (mDragInsertionPosition == BookmarksService::CHInsertInto) // drop onto folder
{
nsCOMPtr<nsIDOMElement> parentElt = [mDragInsertionButton element];
destinationContent = do_QueryInterface(parentElt);
index = 0;
}
else if (mDragInsertionPosition == BookmarksService::CHInsertBefore ||
mDragInsertionPosition == BookmarksService::CHInsertAfter) // drop onto toolbar
{
nsCOMPtr<nsIDOMElement> toolbarRoot = BookmarksService::gToolbarRoot;
destinationContent = do_QueryInterface(toolbarRoot);
index = [mButtons indexOfObject: mDragInsertionButton];
}
BookmarkItem* toolbarFolderItem = BookmarksService::GetWrapperFor(destinationContent);
if (!BookmarksService::IsBookmarkDropValid(toolbarFolderItem, index, draggedIDs)) {
return NO;
}
}
return YES;
}
// NSDraggingDestination ///////////
- (unsigned int)draggingEntered:(id <NSDraggingInfo>)sender
{
if (![self dropDestinationValid:[sender draggingPasteboard]])
return NSDragOperationNone;
return NSDragOperationGeneric;
}
- (void)draggingExited:(id <NSDraggingInfo>)sender
{
if (mDragInsertionPosition)
[self setNeedsDisplayInRect:[self insertionRectForButton:mDragInsertionButton position:mDragInsertionPosition]];
mDragInsertionButton = nil;
mDragInsertionPosition = BookmarksService::CHInsertNone;
}
- (unsigned int)draggingUpdated:(id <NSDraggingInfo>)sender
{
if (mDragInsertionPosition)
[self setNeedsDisplayInRect:[self insertionRectForButton:mDragInsertionButton position:mDragInsertionPosition]];
if (![self dropDestinationValid:[sender draggingPasteboard]])
return NSDragOperationNone;
[self setButtonInsertionPoint:[sender draggingLocation]];
if (mDragInsertionPosition)
[self setNeedsDisplayInRect:[self insertionRectForButton:mDragInsertionButton position:mDragInsertionPosition]];
return NSDragOperationGeneric;
}
- (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender
{
return YES;
}
- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
{
BookmarkItem* parent = nsnull;
int index = 0;
if (mDragInsertionPosition == BookmarksService::CHInsertInto) { // drop onto folder
nsCOMPtr<nsIDOMElement> parentElt = [mDragInsertionButton element];
nsCOMPtr<nsIContent> parentContent(do_QueryInterface(parentElt));
parent = BookmarksService::GetWrapperFor(parentContent);
index = 0;
}
else if (mDragInsertionPosition == BookmarksService::CHInsertBefore ||
mDragInsertionPosition == BookmarksService::CHInsertAfter) { // drop onto toolbar
nsCOMPtr<nsIDOMElement> rootElt = BookmarksService::gToolbarRoot;
nsCOMPtr<nsIContent> rootContent(do_QueryInterface(rootElt));
parent = BookmarksService::GetWrapperFor(rootContent);
index = [mButtons indexOfObject: mDragInsertionButton];
if (index == NSNotFound)
rootContent->ChildCount(index);
else if (mDragInsertionPosition == BookmarksService::CHInsertAfter)
index++;
} else {
mDragInsertionButton = nil;
mDragInsertionPosition = BookmarksService::CHInsertNone;
[self setNeedsDisplay:YES];
return NO;
}
BOOL dropHandled = NO;
NSArray *draggedTypes = [[sender draggingPasteboard] types];
if ( [draggedTypes containsObject:@"MozBookmarkType"] )
{
NSArray *draggedItems = [[sender draggingPasteboard] propertyListForType: @"MozBookmarkType"];
dropHandled = BookmarksService::PerformBookmarkDrop(parent, index, draggedItems);
}
else if ( [draggedTypes containsObject:@"MozURLType"] )
{
NSDictionary* proxy = [[sender draggingPasteboard] propertyListForType: @"MozURLType"];
nsCOMPtr<nsIContent> beforeContent;
[parent contentNode]->ChildAt(index, *getter_AddRefs(beforeContent));
BookmarkItem* beforeItem = mBookmarks->GetWrapperFor(beforeContent); // can handle nil content
dropHandled = BookmarksService::PerformProxyDrop(parent, beforeItem, proxy);
}
else if ( [draggedTypes containsObject:NSStringPboardType] )
{
NSString* draggedText = [[sender draggingPasteboard] stringForType:NSStringPboardType];
nsCOMPtr<nsIContent> beforeContent;
[parent contentNode]->ChildAt(index, *getter_AddRefs(beforeContent));
BookmarkItem* beforeItem = mBookmarks->GetWrapperFor(beforeContent); // can handle nil content
// maybe fix URL drags to include the selected text as the title
dropHandled = BookmarksService::PerformURLDrop(parent, beforeItem, draggedText, draggedText);
}
mDragInsertionButton = nil;
mDragInsertionPosition = BookmarksService::CHInsertNone;
[self setNeedsDisplay: [self isShown]];
return dropHandled;
}
- (NSRect)insertionRectForButton:(NSView*)aButton position:(int) aPosition
{
if (aPosition == BookmarksService::CHInsertInto) {
return NSMakeRect([aButton frame].origin.x, [aButton frame].origin.y, [aButton frame].size.width, [aButton frame].size.height);
} else if (aPosition == BookmarksService::CHInsertAfter) {
return NSMakeRect([aButton frame].origin.x+[aButton frame].size.width, [aButton frame].origin.y, 2, [aButton frame].size.height);
} else {// if (aPosition == BookmarksService::CHInsertBefore) {
return NSMakeRect([aButton frame].origin.x - 2, [aButton frame].origin.y, 2, [aButton frame].size.height);
}
}
@end