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gecko-dev/camino/BookmarksService.mm

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#import "NSString+Utils.h"
#import "CHBrowserView.h"
#import "BookmarksService.h"
#import "BookmarksDataSource.h"
#import "BookmarkInfoController.h"
#import "StringUtils.h"
#include "nsCRT.h"
#include "nsString.h"
#include "nsIDocument.h"
#include "nsIContent.h"
#include "nsIAtom.h"
#include "nsITextContent.h"
#include "nsIDOMWindow.h"
#include "nsIDOMHTMLDocument.h"
#include "nsIDOMElement.h"
#include "nsIDOMCharacterData.h"
#include "nsIDOMParser.h"
#include "nsIDOMDocumentFragment.h"
#include "nsIPrefBranch.h"
#include "nsIFile.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsIXMLHttpRequest.h"
#include "nsIDOMSerializer.h"
#include "nsIDocumentEncoder.h"
#include "nsNetUtil.h"
#include "nsINamespaceManager.h"
#include "nsIXBLService.h"
#include "nsIWebBrowser.h"
// Helper for stripping whitespace
static void
StripWhitespaceNodes(nsIContent* aElement)
{
PRInt32 childCount = 0;
aElement->ChildCount(childCount);
for (PRInt32 i = 0; i < childCount; i++) {
nsCOMPtr<nsIContent> child;
aElement->ChildAt(i, *getter_AddRefs(child));
nsCOMPtr<nsITextContent> text = do_QueryInterface(child);
if (text) {
PRBool isEmpty = PR_FALSE;
text->IsOnlyWhitespace(&isEmpty);
if (isEmpty) {
// This node contained nothing but whitespace.
// Remove it from the content model.
aElement->RemoveChildAt(i, PR_TRUE);
i--; // Decrement our count, since we just removed this child.
childCount--; // Also decrement our total count.
}
}
else
StripWhitespaceNodes(child);
}
}
// the tag of the separator after which to insert bookmarks menu items
// this tag must not conflict with content IDs (which are all >=0)
// and match the tab in the .nib
static const int kBookmarksDividerTag = -1;
PRUint32 BookmarksService::gRefCnt = 0;
nsIDocument* BookmarksService::gBookmarks = nsnull;
NSMutableDictionary* BookmarksService::gDictionary = nil;
MainController* BookmarksService::gMainController = nil;
NSMenu* BookmarksService::gBookmarksMenu = nil;
nsIDOMElement* BookmarksService::gToolbarRoot = nsnull;
nsIAtom* BookmarksService::gBookmarkAtom = nsnull;
nsIAtom* BookmarksService::gDescriptionAtom = nsnull;
nsIAtom* BookmarksService::gFolderAtom = nsnull;
nsIAtom* BookmarksService::gGroupAtom = nsnull;
nsIAtom* BookmarksService::gHrefAtom = nsnull;
nsIAtom* BookmarksService::gKeywordAtom = nsnull;
nsIAtom* BookmarksService::gNameAtom = nsnull;
nsIAtom* BookmarksService::gOpenAtom = nsnull;
nsVoidArray* BookmarksService::gInstances = nsnull;
BOOL BookmarksService::gBookmarksFileReadOK = NO;
int BookmarksService::CHInsertNone = 0;
int BookmarksService::CHInsertInto = 1;
int BookmarksService::CHInsertBefore = 2;
int BookmarksService::CHInsertAfter = 3;
BookmarksService::BookmarksService(BookmarksDataSource* aDataSource)
{
mDataSource = aDataSource;
mToolbar = nil;
}
BookmarksService::BookmarksService(CHBookmarksToolbar* aToolbar)
{
mDataSource = nil;
mToolbar = aToolbar;
}
BookmarksService::~BookmarksService()
{
}
void
BookmarksService::GetRootContent(nsIContent** aResult)
{
*aResult = nsnull;
if (gBookmarks) {
nsCOMPtr<nsIDOMDocument> domDoc(do_QueryInterface(gBookmarks));
if (!domDoc) return;
nsCOMPtr<nsIDOMElement> elt;
domDoc->GetDocumentElement(getter_AddRefs(elt));
if (elt)
elt->QueryInterface(NS_GET_IID(nsIContent), (void**)aResult); // Addref happens here.
}
}
BookmarkItem*
BookmarksService::GetRootItem()
{
nsCOMPtr<nsIContent> rootContent;
BookmarksService::GetRootContent(getter_AddRefs(rootContent));
BookmarkItem* rootItem = BookmarksService::GetWrapperFor(rootContent);
return rootItem;
}
BookmarkItem*
BookmarksService::GetWrapperFor(nsIContent* aContent)
{
if ( !aContent )
return nil;
if (!gDictionary)
gDictionary = [[NSMutableDictionary alloc] initWithCapacity: 30];
PRUint32 contentID = 0;
aContent->GetContentID(&contentID);
BookmarkItem* item = [gDictionary objectForKey: [NSNumber numberWithInt: contentID]];
if (item)
return item;
// Create an item.
item = [[BookmarkItem alloc] init]; // The dictionary retains us.
[item setContentNode: aContent];
[gDictionary setObject: item forKey: [NSNumber numberWithInt: contentID]];
[item release];
return item;
}
BookmarkItem*
BookmarksService::GetWrapperFor(PRUint32 contentID)
{
BookmarkItem* item = [gDictionary objectForKey: [NSNumber numberWithUnsignedInt: contentID]];
return item;
}
NSMenu*
BookmarksService::LocateMenu(nsIContent* aContent)
{
nsCOMPtr<nsIContent> parent;
aContent->GetParent(*getter_AddRefs(parent));
if (!parent) {
return BookmarksService::gBookmarksMenu;
}
NSMenu* parentMenu = LocateMenu(parent);
PRUint32 contentID;
aContent->GetContentID(&contentID);
NSMenuItem* childMenu = [parentMenu itemWithTag: contentID];
return [childMenu submenu];
}
void
BookmarksService::BookmarkAdded(nsIContent* aContainer, nsIContent* aChild, bool shouldFlush = true)
{
if (!gInstances || !gDictionary)
return;
PRInt32 count = gInstances->Count();
for (PRInt32 i = 0; i < count; i++) {
BookmarksService* instance = (BookmarksService*)gInstances->ElementAt(i);
if (instance->mDataSource) {
// We're a tree view.
nsCOMPtr<nsIContent> parent;
aContainer->GetParent(*getter_AddRefs(parent));
BookmarkItem* item = nil;
if (parent)
// We're not the root.
item = GetWrapperFor(aContainer);
[(instance->mDataSource) reloadDataForItem: item reloadChildren: YES];
}
else if (instance->mToolbar) {
// We're a personal toolbar.
nsCOMPtr<nsIDOMElement> parentElt(do_QueryInterface(aContainer));
if (parentElt == gToolbarRoot) {
// We only care about changes that occur to the personal toolbar's immediate
// children.
PRInt32 index = -1;
aContainer->IndexOf(aChild, index);
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(aChild));
[(instance->mToolbar) addButton: elt atIndex: index];
}
}
else {
// We're the menu.
PRInt32 index = -1;
aContainer->IndexOf(aChild, index);
NSMenu* menu = LocateMenu(aContainer);
AddMenuBookmark(menu, aContainer, aChild, index);
}
}
if (shouldFlush)
FlushBookmarks();
}
void
BookmarksService::BookmarkChanged(nsIContent* aItem, bool shouldFlush = true)
{
if (!gInstances || !gDictionary)
return;
PRInt32 count = gInstances->Count();
for (PRInt32 i = 0; i < count; i++) {
BookmarksService* instance = (BookmarksService*)gInstances->ElementAt(i);
if (instance->mDataSource) {
// We're a tree view
BookmarkItem* item = GetWrapperFor(aItem);
[(instance->mDataSource) reloadDataForItem: item reloadChildren: NO];
}
else if (instance->mToolbar) {
// We're a personal toolbar. It'll figure out what to do.
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(aItem));
[(instance->mToolbar) editButton: elt];
}
else {
// We're the menu. Reset the title, in case it's changed.
nsCOMPtr<nsIContent> parent;
aItem->GetParent(*getter_AddRefs(parent));
NSMenu* menu = LocateMenu(parent);
PRUint32 contentID = 0;
aItem->GetContentID(&contentID);
NSMenuItem* childItem = [menu itemWithTag: contentID];
nsAutoString name;
aItem->GetAttr(kNameSpaceID_None, gNameAtom, name);
NSString* bookmarkTitle = [[NSString stringWith_nsAString: name] stringByTruncatingTo:80 at:kTruncateAtMiddle];
[childItem setTitle: bookmarkTitle];
}
}
if (shouldFlush)
FlushBookmarks();
}
void
BookmarksService::BookmarkRemoved(nsIContent* aContainer, nsIContent* aChild, bool shouldFlush = true)
{
if (!gInstances)
return;
PRInt32 count = gInstances->Count();
for (PRInt32 i = 0; i < count; i++) {
BookmarksService* instance = (BookmarksService*)gInstances->ElementAt(i);
if (instance->mDataSource) {
// We're a tree view.
nsCOMPtr<nsIContent> parent;
aContainer->GetParent(*getter_AddRefs(parent));
BookmarkItem* item = nil;
if (parent)
// We're not the root.
item = GetWrapperFor(aContainer);
[(instance->mDataSource) reloadDataForItem: item reloadChildren: YES];
}
else if (instance->mToolbar) {
// We're a personal toolbar.
nsCOMPtr<nsIDOMElement> parentElt(do_QueryInterface(aContainer));
if (parentElt == gToolbarRoot) {
// We only care about changes that occur to the personal toolbar's immediate
// children.
nsCOMPtr<nsIDOMElement> childElt(do_QueryInterface(aChild));
[(instance->mToolbar) removeButton: childElt];
}
}
else {
// We're the menu.
NSMenu* menu = LocateMenu(aContainer);
PRUint32 contentID = 0;
aChild->GetContentID(&contentID);
NSMenuItem* childItem = [menu itemWithTag: contentID];
[menu removeItem: childItem];
}
}
if (shouldFlush)
FlushBookmarks();
}
void
BookmarksService::AddObserver()
{
gRefCnt++;
if (gRefCnt == 1) {
gBookmarkAtom = NS_NewAtom("bookmark");
gFolderAtom = NS_NewAtom("folder");
gNameAtom = NS_NewAtom("name");
gHrefAtom = NS_NewAtom("href");
gOpenAtom = NS_NewAtom("open");
gKeywordAtom = NS_NewAtom("id");
gDescriptionAtom = NS_NewAtom("description");
gGroupAtom = NS_NewAtom("group");
gInstances = new nsVoidArray();
ReadBookmarks();
}
gInstances->AppendElement(this);
}
void
BookmarksService::RemoveObserver()
{
if (gRefCnt == 0)
return;
gInstances->RemoveElement(this);
gRefCnt--;
if (gRefCnt == 0) {
// Flush Bookmarks before shutting down as some changes are not flushed when
// they are performed (folder open/closed) as writing a whole bookmark file for
// that type of operation seems excessive.
FlushBookmarks();
NS_IF_RELEASE(gBookmarks);
NS_RELEASE(gBookmarkAtom);
NS_RELEASE(gFolderAtom);
NS_RELEASE(gNameAtom);
NS_RELEASE(gHrefAtom);
NS_RELEASE(gOpenAtom);
[gDictionary release];
}
}
void
BookmarksService::AddBookmarkToFolder(nsString& aURL, nsString& aTitle, nsIDOMElement* aFolder, nsIDOMElement* aBeforeElt)
{
// XXX if no folder provided, default to root folder
if (!aFolder) return;
nsCOMPtr<nsIDOMDocument> domDoc(do_QueryInterface(gBookmarks));
nsCOMPtr<nsIDOMElement> elt;
domDoc->CreateElementNS(NS_LITERAL_STRING("http://chimera.mozdev.org/bookmarks/"),
NS_LITERAL_STRING("bookmark"),
getter_AddRefs(elt));
elt->SetAttribute(NS_LITERAL_STRING("name"), aTitle);
elt->SetAttribute(NS_LITERAL_STRING("href"), aURL);
MoveBookmarkToFolder(elt, aFolder, aBeforeElt);
}
void
BookmarksService::MoveBookmarkToFolder(nsIDOMElement* aBookmark, nsIDOMElement* aFolder, nsIDOMElement* aBeforeElt)
{
if (!aBookmark || !aFolder) return;
nsCOMPtr<nsIDOMNode> oldParent;
aBookmark->GetParentNode(getter_AddRefs(oldParent));
nsCOMPtr<nsIDOMNode> dummy;
if (oldParent) {
nsCOMPtr<nsIDOMNode> bookmarkNode = do_QueryInterface(aBookmark);
oldParent->RemoveChild(bookmarkNode, getter_AddRefs(dummy));
}
if (aBeforeElt) {
aFolder->InsertBefore(aBookmark, aBeforeElt, getter_AddRefs(dummy));
} else {
aFolder->AppendChild(aBookmark, getter_AddRefs(dummy));
}
nsCOMPtr<nsIContent> childContent(do_QueryInterface(aBookmark));
nsCOMPtr<nsIContent> parentContent(do_QueryInterface(aFolder));
if (oldParent) {
nsCOMPtr<nsIContent> oldParentContent(do_QueryInterface(oldParent));
BookmarkRemoved(oldParentContent, childContent);
}
BookmarkAdded(parentContent, childContent);
}
void
BookmarksService::DeleteBookmark(nsIDOMElement* aBookmark)
{
if (!aBookmark) return;
nsCOMPtr<nsIDOMNode> oldParent;
aBookmark->GetParentNode(getter_AddRefs(oldParent));
if (oldParent) {
nsCOMPtr<nsIDOMNode> dummy;
nsCOMPtr<nsIDOMNode> bookmarkNode = do_QueryInterface(aBookmark);
oldParent->RemoveChild(bookmarkNode, getter_AddRefs(dummy));
nsCOMPtr<nsIContent> childContent(do_QueryInterface(aBookmark));
nsCOMPtr<nsIContent> oldParentContent(do_QueryInterface(oldParent));
BookmarkRemoved(oldParentContent, childContent);
}
}
static PRBool
CheckXMLDocumentParseSuccessful(nsIDOMDocument* inDOMDoc)
{
nsCOMPtr<nsIDOMElement> docElement;
inDOMDoc->GetDocumentElement(getter_AddRefs(docElement));
if (!docElement)
return PR_FALSE;
nsCOMPtr<nsIAtom> tagName;
nsCOMPtr<nsIContent> docContent = do_QueryInterface(docElement);
docContent->GetTag(*getter_AddRefs(tagName));
nsCOMPtr<nsIAtom> parserErrorAtom = do_GetAtom("parsererror");
if (parserErrorAtom != tagName)
return PR_TRUE;
return PR_FALSE;
}
static PRBool
ValidateXMLDocument(nsIDOMDocument* inDOMDoc)
{
if (!inDOMDoc)
return PR_FALSE;
nsCOMPtr<nsIDOMElement> elt;
inDOMDoc->GetDocumentElement(getter_AddRefs(elt));
if (!elt)
return PR_FALSE;
nsCOMPtr<nsIDOMSerializer> domSerializer = do_CreateInstance(NS_XMLSERIALIZER_CONTRACTID);
if (!domSerializer)
return PR_FALSE;
nsXPIDLString encodedDocStr;
nsresult rv = domSerializer->SerializeToString(inDOMDoc, getter_Copies(encodedDocStr));
if (NS_FAILED(rv))
return PR_FALSE;
nsCOMPtr<nsIDOMParser> domParser = do_CreateInstance(NS_DOMPARSER_CONTRACTID);
if (!domParser)
return PR_FALSE;
nsCOMPtr<nsIDOMDocument> newDomDoc;
domParser->ParseFromString(encodedDocStr.get(), "text/xml", getter_AddRefs(newDomDoc));
if (newDomDoc)
return CheckXMLDocumentParseSuccessful(newDomDoc);
return PR_FALSE;
}
void
BookmarksService::ReadBookmarks()
{
nsCOMPtr<nsIFile> profileDirBookmarks;
NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(profileDirBookmarks));
profileDirBookmarks->Append(NS_LITERAL_STRING("bookmarks.xml"));
PRBool fileExists = PR_FALSE;
profileDirBookmarks->Exists(&fileExists);
// If the bookmarks file does not exist, copy from the defaults so we don't
// crash or anything dumb like that.
if (!fileExists) {
nsCOMPtr<nsIFile> defaultBookmarksFile;
NS_GetSpecialDirectory(NS_APP_PROFILE_DEFAULTS_50_DIR, getter_AddRefs(defaultBookmarksFile));
defaultBookmarksFile->Append(NS_LITERAL_STRING("bookmarks.xml"));
// XXX for some reason unknown to me, leaving this code in causes the program to crash
// with 'cannot dereference null COMPtr.'
#if I_WANT_TO_CRASH
PRBool defaultFileExists;
defaultBookmarksFile->Exists(&defaultFileExists);
if (defaultFileExists)
return;
#endif
nsCOMPtr<nsIFile> profileDirectory;
NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(profileDirectory));
defaultBookmarksFile->CopyToNative(profileDirectory, NS_LITERAL_CSTRING("bookmarks.xml"));
}
nsCAutoString bookmarksFileURL;
NS_GetURLSpecFromFile(profileDirBookmarks, bookmarksFileURL);
nsCOMPtr<nsIURI> uri;
NS_NewURI(getter_AddRefs(uri), bookmarksFileURL.get());
// XXX this is somewhat lame. we have no way of knowing whether or not the parse succeeded
// or failed. sigh.
// Actually, we do. We check for a root <parsererror> node. This relies on the XMLContentSink
// behaviour.
nsCOMPtr<nsIXBLService> xblService(do_GetService("@mozilla.org/xbl;1"));
xblService->FetchSyncXMLDocument(uri, &gBookmarks); // addref here
// test for a parser error. The XML parser replaces the document with one
// that has a <parsererror> node as the root.
nsCOMPtr<nsIDOMDocument> bookmarksDOMDoc = do_QueryInterface(gBookmarks);
BOOL validPrefsFile = CheckXMLDocumentParseSuccessful(bookmarksDOMDoc);
if (!validPrefsFile) {
// uh oh, parser error. Throw some UI
NSString *alert = NSLocalizedString(@"CorruptedBookmarksAlert",@"");
NSString *message = NSLocalizedString(@"CorruptedBookmarksMsg",@"");
NSString *okButton = NSLocalizedString(@"OKButtonText",@"");
NSRunAlertPanel(alert, message, okButton, nil, nil);
// maybe we should read the default bookmarks here?
gBookmarksFileReadOK = PR_FALSE;
return;
}
gBookmarksFileReadOK = PR_TRUE;
nsCOMPtr<nsIContent> rootNode;
GetRootContent(getter_AddRefs(rootNode));
StripWhitespaceNodes(rootNode);
}
void
BookmarksService::FlushBookmarks()
{
// XXX we need to insert a mechanism here to ensure that we don't write corrupt
// bookmarks files (e.g. full disk, program crash, whatever), because our
// error handling in the parse stage is NON-EXISTENT.
// This is now partially handled by looking for a <parsererror> node at read time.
if (!gBookmarksFileReadOK)
return;
nsCOMPtr<nsIFile> bookmarksFile;
NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(bookmarksFile));
bookmarksFile->Append(NS_LITERAL_STRING("bookmarks.xml"));
nsCOMPtr<nsIOutputStream> outputStream;
NS_NewLocalFileOutputStream(getter_AddRefs(outputStream), bookmarksFile);
nsCOMPtr<nsIDOMDocument> domDoc(do_QueryInterface(gBookmarks));
nsCOMPtr<nsIDOMSerializer> domSerializer(do_CreateInstance(NS_XMLSERIALIZER_CONTRACTID));
if (domSerializer)
domSerializer->SerializeToStream(domDoc, outputStream, nsnull);
}
void BookmarksService::EnsureToolbarRoot()
{
if (gToolbarRoot)
return;
nsCOMPtr<nsIDOMDocument> domDoc(do_QueryInterface(gBookmarks));
nsCOMPtr<nsIDOMElement> rootElt;
domDoc->GetDocumentElement(getter_AddRefs(rootElt));
nsCOMPtr<nsIDOMNode> child;
rootElt->GetFirstChild(getter_AddRefs(child));
nsAutoString typeValue;
while (child) {
nsCOMPtr<nsIDOMElement> childElt(do_QueryInterface(child));
if (childElt) {
childElt->GetAttribute(NS_LITERAL_STRING("type"), typeValue);
if (typeValue.Equals(NS_LITERAL_STRING("toolbar")))
gToolbarRoot = childElt;
}
nsCOMPtr<nsIDOMNode> temp;
child->GetNextSibling(getter_AddRefs(temp));
child = temp;
}
if (!gToolbarRoot) {
NSLog(@"Repairing personal toolbar");
nsCOMPtr<nsIDOMElement> elt;
domDoc->CreateElementNS(NS_LITERAL_STRING("http://chimera.mozdev.org/bookmarks/"),
NS_LITERAL_STRING("folder"),
getter_AddRefs(elt));
elt->SetAttribute(NS_LITERAL_STRING("name"), NS_LITERAL_STRING("Toolbar Bookmarks"));
elt->SetAttribute(NS_LITERAL_STRING("type"), NS_LITERAL_STRING("toolbar"));
nsCOMPtr<nsIDOMNode> dummy;
rootElt->AppendChild(elt, getter_AddRefs(dummy));
gToolbarRoot = elt;
}
}
static
void RecursiveAddBookmarkConstruct(NSPopUpButton* aPopup, NSMenu* aMenu, int aTagToMatch, int depth = 0)
{
// Get the menu item children.
NSArray* children = [aMenu itemArray];
int startPosition = 0;
if (aMenu == BookmarksService::gBookmarksMenu)
startPosition = 3;
int count = [children count];
for (int i = startPosition; i < count; ++i) {
NSMenuItem* menuItem = [children objectAtIndex: i];
NSMenu* submenu = [menuItem submenu];
if (submenu) {
// This is a folder. Add it to our list and then recur. Indent it
// the apropriate depth for readability in the menu.
NSMutableString *title = [NSMutableString stringWithString:[menuItem title]];
for (int j = 0; j <= depth; ++j)
[title insertString:@" " atIndex: 0];
[aPopup addItemWithTitle: title];
NSMenuItem* lastItem = [aPopup lastItem];
if ([menuItem tag] == aTagToMatch)
[aPopup selectItem: lastItem];
[lastItem setTag: [menuItem tag]];
RecursiveAddBookmarkConstruct(aPopup, submenu, aTagToMatch, depth+1);
}
}
}
void
BookmarksService::ConstructAddBookmarkFolderList(NSPopUpButton* aPopup, BookmarkItem* aItem)
{
[aPopup removeAllItems];
[aPopup addItemWithTitle: [gBookmarksMenu title]];
NSMenuItem* lastItem = [aPopup lastItem];
[lastItem setTag: -1];
int tag = -1;
if (aItem) {
nsIContent* content = [aItem contentNode];
PRUint32 utag;
content->GetContentID(&utag);
tag = (int)utag;
}
RecursiveAddBookmarkConstruct(aPopup, gBookmarksMenu, tag);
}
void
BookmarksService::GetTitleAndHrefForBrowserView(id aBrowserView, nsString& aTitle, nsString& aHref)
{
nsCOMPtr<nsIWebBrowser> webBrowser = getter_AddRefs([aBrowserView getWebBrowser]);
nsCOMPtr<nsIDOMWindow> window;
webBrowser->GetContentDOMWindow(getter_AddRefs(window));
nsCOMPtr<nsIDOMDocument> htmlDoc;
window->GetDocument(getter_AddRefs(htmlDoc));
nsCOMPtr<nsIDocument> pageDoc(do_QueryInterface(htmlDoc));
if (pageDoc) {
nsCOMPtr<nsIURI> url;
pageDoc->GetDocumentURL(getter_AddRefs(url));
nsCAutoString spec;
url->GetSpec(spec);
aHref.AssignWithConversion(spec.get());
}
nsCOMPtr<nsIDOMHTMLDocument> htmlDocument(do_QueryInterface(htmlDoc));
if (htmlDocument)
htmlDocument->GetTitle(aTitle);
if (aTitle.IsEmpty())
aTitle = aHref;
}
void
BookmarksService::ConstructBookmarksMenu(NSMenu* aMenu, nsIContent* aContent)
{
nsCOMPtr<nsIContent> content = aContent;
if (!content) {
GetRootContent(getter_AddRefs(content));
GetWrapperFor(content);
gBookmarksMenu = aMenu;
}
// Now walk our children, and for folders also recur into them.
PRInt32 childCount;
content->ChildCount(childCount);
for (PRInt32 i = 0; i < childCount; i++) {
nsCOMPtr<nsIContent> child;
content->ChildAt(i, *getter_AddRefs(child));
AddMenuBookmark(aMenu, content, child, -1);
}
}
void
BookmarksService::AddMenuBookmark(NSMenu* aMenu, nsIContent* aParent, nsIContent* aChild, PRInt32 aIndex)
{
nsAutoString name;
aChild->GetAttr(kNameSpaceID_None, gNameAtom, name);
NSString* title = [[NSString stringWith_nsAString: name] stringByTruncatingTo:80 at:kTruncateAtMiddle];
// Create a menu or menu item for the child.
NSMenuItem* menuItem = [[[NSMenuItem alloc] initWithTitle: title action: NULL keyEquivalent: @""] autorelease];
GetWrapperFor(aChild);
if (aIndex == -1)
[aMenu addItem: menuItem];
else {
PRInt32 insertIndex = aIndex;
if (aMenu == gBookmarksMenu) // take static menu items into account
insertIndex += [aMenu indexOfItemWithTag:kBookmarksDividerTag] + 1;
[aMenu insertItem: menuItem atIndex: insertIndex];
}
nsCOMPtr<nsIAtom> tagName;
aChild->GetTag(*getter_AddRefs(tagName));
nsAutoString group;
aChild->GetAttr(kNameSpaceID_None, gGroupAtom, group);
if (group.IsEmpty() && tagName == gFolderAtom) {
NSMenu* menu = [[[NSMenu alloc] initWithTitle: title] autorelease];
[aMenu setSubmenu: menu forItem: menuItem];
[menu setAutoenablesItems: NO];
[menuItem setImage: [NSImage imageNamed:@"folder"]];
ConstructBookmarksMenu(menu, aChild);
}
else {
if (group.IsEmpty())
[menuItem setImage: [NSImage imageNamed:@"smallbookmark"]];
else
[menuItem setImage: [NSImage imageNamed:@"groupbookmark"]];
[menuItem setTarget: gMainController];
[menuItem setAction: @selector(openMenuBookmark:)];
}
PRUint32 contentID;
aChild->GetContentID(&contentID);
[menuItem setTag: contentID];
}
void
BookmarksService::OpenMenuBookmark(BrowserWindowController* aController, id aMenuItem)
{
// Get the corresponding bookmark item.
BookmarkItem* item = [gDictionary objectForKey: [NSNumber numberWithInt: [aMenuItem tag]]];
// Get the content node.
nsIContent* content = [item contentNode];
nsAutoString group;
content->GetAttr(kNameSpaceID_None, gGroupAtom, group);
if (!group.IsEmpty()) {
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface([item contentNode]));
return OpenBookmarkGroup([aController getTabBrowser], elt);
}
// Get the href attribute. This is the URL we want to load.
nsAutoString href;
content->GetAttr(kNameSpaceID_None, gHrefAtom, href);
if (href.IsEmpty())
return;
NSString* url = [NSString stringWith_nsAString: href];
// Now load the URL in the window.
[aController loadURL:url referrer:nil activate:YES];
}
static void GetImportTitle(nsIDOMElement* aSrc, nsString& aTitle)
{
nsCOMPtr<nsIDOMNode> curr;
aSrc->GetFirstChild(getter_AddRefs(curr));
while (curr) {
nsCOMPtr<nsIDOMCharacterData> charData(do_QueryInterface(curr));
if (charData) {
nsAutoString data;
charData->GetData(data);
aTitle += data;
}
else {
// Handle Omniweb's nesting of <a> inside <h3> for its folders.
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(curr));
if (elt) {
nsAutoString localName;
elt->GetLocalName(localName);
ToLowerCase(localName);
if (localName.Equals(NS_LITERAL_STRING("a"))) {
aTitle = NS_LITERAL_STRING("");
return GetImportTitle(elt, aTitle);
}
}
}
nsCOMPtr<nsIDOMNode> temp = curr;
temp->GetNextSibling(getter_AddRefs(curr));
}
}
static void CreateBookmark(nsIDOMElement* aSrc, nsIDOMElement* aDst,
nsIDOMDocument* aDstDoc, PRBool aIsFolder,
nsIDOMElement** aResult)
{
nsAutoString tagName(NS_LITERAL_STRING("bookmark"));
if (aIsFolder)
tagName = NS_LITERAL_STRING("folder");
aDstDoc->CreateElementNS(NS_LITERAL_STRING("http://chimera.mozdev.org/bookmarks/"),
tagName,
aResult); // Addref happens here.
nsAutoString title;
GetImportTitle(aSrc, title);
(*aResult)->SetAttribute(NS_LITERAL_STRING("name"), title);
if (!aIsFolder) {
nsAutoString href;
aSrc->GetAttribute(NS_LITERAL_STRING("href"), href);
(*aResult)->SetAttribute(NS_LITERAL_STRING("href"), href);
}
nsCOMPtr<nsIDOMNode> dummy;
aDst->AppendChild(*aResult, getter_AddRefs(dummy));
}
static void AddImportedBookmarks(nsIDOMElement* aSrc, nsIDOMElement* aDst, nsIDOMDocument* aDstDoc,
PRInt32& aBookmarksType)
{
nsAutoString localName;
aSrc->GetLocalName(localName);
ToLowerCase(localName);
nsCOMPtr<nsIDOMElement> newBookmark;
if (localName.Equals(NS_LITERAL_STRING("bookmarkinfo")))
aBookmarksType = 1; // Omniweb.
else if (localName.Equals(NS_LITERAL_STRING("dt"))) {
// We have found either a folder or a leaf.
nsCOMPtr<nsIDOMNode> curr;
aSrc->GetFirstChild(getter_AddRefs(curr));
while (curr) {
nsCOMPtr<nsIDOMElement> childElt(do_QueryInterface(curr));
if (childElt) {
childElt->GetLocalName(localName);
ToLowerCase(localName);
if (localName.Equals(NS_LITERAL_STRING("a"))) {
// Guaranteed to be a bookmark in IE. Could be either in Omniweb.
nsCOMPtr<nsIDOMElement> dummy;
CreateBookmark(childElt, aDst, aDstDoc, PR_FALSE, getter_AddRefs(dummy));
}
// Ignore the H3 we encounter. This will be dealt with later.
}
nsCOMPtr<nsIDOMNode> temp = curr;
temp->GetNextSibling(getter_AddRefs(curr));
}
}
else if (localName.Equals(NS_LITERAL_STRING("dl"))) {
// The children of a folder. Recur inside.
// Locate the parent to create the folder.
nsCOMPtr<nsIDOMNode> node;
aSrc->GetPreviousSibling(getter_AddRefs(node));
nsCOMPtr<nsIDOMElement> folderElt(do_QueryInterface(node));
if (folderElt) {
// Make sure it's an H3 folder in Mozilla and IE. In Mozilla it will probably have an ID.
PRBool hasID;
folderElt->HasAttribute(NS_LITERAL_STRING("ID"), &hasID);
if (aBookmarksType != 1) {
if (hasID)
aBookmarksType = 2; // Mozilla
else
aBookmarksType = 0; // IE
}
nsAutoString localName;
folderElt->GetLocalName(localName);
ToLowerCase(localName);
if (localName.Equals(NS_LITERAL_STRING("h3")))
CreateBookmark(folderElt, aDst, aDstDoc, PR_TRUE, getter_AddRefs(newBookmark));
}
if (!newBookmark)
newBookmark = aDst;
// Recur over all our children.
nsCOMPtr<nsIDOMNode> curr;
aSrc->GetFirstChild(getter_AddRefs(curr));
while (curr) {
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(curr));
if (elt)
AddImportedBookmarks(elt, newBookmark, aDstDoc, aBookmarksType);
nsCOMPtr<nsIDOMNode> temp = curr;
temp->GetNextSibling(getter_AddRefs(curr));
}
}
else {
// Recur over all our children.
nsCOMPtr<nsIDOMNode> curr;
aSrc->GetFirstChild(getter_AddRefs(curr));
while (curr) {
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(curr));
if (elt)
AddImportedBookmarks(elt, aDst, aDstDoc, aBookmarksType);
nsCOMPtr<nsIDOMNode> temp = curr;
temp->GetNextSibling(getter_AddRefs(curr));
}
}
}
void
BookmarksService::ImportBookmarks(nsIDOMHTMLDocument* aHTMLDoc)
{
nsCOMPtr<nsIDOMElement> htmlDocRoot;
aHTMLDoc->GetDocumentElement(getter_AddRefs(htmlDocRoot));
nsCOMPtr<nsIDOMElement> bookmarksRoot;
nsCOMPtr<nsIDOMDocument> bookmarksDOMDoc(do_QueryInterface(gBookmarks));
bookmarksDOMDoc->GetDocumentElement(getter_AddRefs(bookmarksRoot));
nsCOMPtr<nsIDOMNode> dummy;
// Create the root of the new bookmarks by hand.
nsCOMPtr<nsIDOMElement> importedRootElement;
bookmarksDOMDoc->CreateElementNS( NS_LITERAL_STRING("http://chimera.mozdev.org/bookmarks/"),
NS_LITERAL_STRING("folder"),
getter_AddRefs(importedRootElement));
// Now crawl through the file and look for <DT> elements. They signify folders
// or leaves.
PRInt32 bookmarksType = 0; // Assume IE.
AddImportedBookmarks(htmlDocRoot, importedRootElement, bookmarksDOMDoc, bookmarksType);
if (bookmarksType == 0)
importedRootElement->SetAttribute(NS_LITERAL_STRING("name"), NS_LITERAL_STRING("Internet Explorer Favorites"));
else if (bookmarksType == 1)
importedRootElement->SetAttribute(NS_LITERAL_STRING("name"), NS_LITERAL_STRING("Omniweb Favorites"));
else if (bookmarksType == 2)
importedRootElement->SetAttribute(NS_LITERAL_STRING("name"), NS_LITERAL_STRING("Mozilla/Netscape Favorites"));
// now put the new child into the doc, and validate it
bookmarksRoot->AppendChild(importedRootElement, getter_AddRefs(dummy));
PRBool bookmarksGood = ValidateXMLDocument(bookmarksDOMDoc);
if (!bookmarksGood) {
// uh oh, parser error. Remove the new node, and then throw some UI
bookmarksRoot->RemoveChild(importedRootElement, getter_AddRefs(dummy));
NSString *alert = NSLocalizedString(@"ErrorImportingBookmarksAlert",@"");
NSString *message = NSLocalizedString(@"ErrorImportingBookmarksMsg",@"");
NSString *okButton = NSLocalizedString(@"OKButtonText",@"");
NSRunAlertPanel(alert, message, okButton, nil, nil);
return;
}
// Now do a notification that the root Favorites folder got added. This
// will update all our views.
nsCOMPtr<nsIContent> parentContent(do_QueryInterface(bookmarksRoot));
nsCOMPtr<nsIContent> childContent(do_QueryInterface(importedRootElement));
// XXX testing
if (gDictionary)
[gDictionary removeAllObjects];
// this will save the file
BookmarkAdded(parentContent, childContent, true /* flush */);
}
void
BookmarksService::OpenBookmarkGroup(id aTabView, nsIDOMElement* aFolder)
{
// We might conceivably have to make new tabs in order to load all
// the items in the group.
int currentIndex = 0;
int total = [aTabView numberOfTabViewItems];
nsCOMPtr<nsIDOMNode> child;
aFolder->GetFirstChild(getter_AddRefs(child));
while (child) {
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(child));
if (elt) {
nsAutoString href;
elt->GetAttribute(NS_LITERAL_STRING("href"), href);
if (!href.IsEmpty()) {
NSString* url = [NSString stringWith_nsAString: href];
NSTabViewItem* tabViewItem = nil;
if (currentIndex >= total) {
// We need to make a new tab.
tabViewItem = [[[NSTabViewItem alloc] initWithIdentifier: nil] autorelease];
CHBrowserWrapper* newView = [[[CHBrowserWrapper alloc] initWithTab: tabViewItem andWindow: [aTabView window]] autorelease];
[tabViewItem setLabel: NSLocalizedString(@"UntitledPageTitle", @"")];
[tabViewItem setView: newView];
[aTabView addTabViewItem: tabViewItem];
}
else
tabViewItem = [aTabView tabViewItemAtIndex: currentIndex];
[[tabViewItem view] loadURI: url referrer:nil
flags: NSLoadFlagsNone activate:(currentIndex == 0)];
}
}
nsCOMPtr<nsIDOMNode> temp = child;
temp->GetNextSibling(getter_AddRefs(child));
currentIndex++;
}
// Select the first tab.
[aTabView selectTabViewItemAtIndex: 0];
}
NSString*
BookmarksService::ResolveKeyword(NSString* aKeyword)
{
nsAutoString keyword;
[aKeyword assignTo_nsAString:keyword];
if (keyword.IsEmpty())
return [NSString string];
#if DEBUG
NSLog(@"str = %s", keyword.get());
#endif
nsCOMPtr<nsIDOMDocument> domDoc(do_QueryInterface(gBookmarks));
nsCOMPtr<nsIDOMElement> elt;
domDoc->GetElementById(keyword, getter_AddRefs(elt));
nsCOMPtr<nsIContent> content(do_QueryInterface(elt));
nsAutoString url;
if (content) {
content->GetAttr(kNameSpaceID_None, gHrefAtom, url);
return [NSString stringWith_nsAString: url];
}
return [NSString stringWithCString:""];
}
NSImage*
BookmarksService::CreateIconForBookmark(nsIDOMElement* aElement)
{
nsCOMPtr<nsIAtom> tagName;
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement);
content->GetTag(*getter_AddRefs(tagName));
if (tagName == BookmarksService::gFolderAtom)
return [NSImage imageNamed:@"folder"];
nsAutoString group;
content->GetAttr(kNameSpaceID_None, gGroupAtom, group);
if (!group.IsEmpty())
return [NSImage imageNamed:@"smallgroup"];
return [NSImage imageNamed:@"groupbookmark"];
}
// Is searchItem equal to bookmark or bookmark's parent, grandparent, etc?
BOOL
BookmarksService::DoAncestorsIncludeNode(BookmarkItem* bookmark, BookmarkItem* searchItem)
{
nsCOMPtr<nsIContent> search = [searchItem contentNode];
nsCOMPtr<nsIContent> current = [bookmark contentNode];
nsCOMPtr<nsIContent> root;
GetRootContent(getter_AddRefs(root));
// If the search item is the root node, return yes immediatly
if (search == root)
return YES;
// for each ancestor
while (current) {
// If this is the root node we can't search farther, and there was no match
if (current == root)
return NO;
// If the two nodes match, then the search term is an ancestor of the given bookmark
if (search == current)
return YES;
// If a match wasn't found, set up the next node to compare
nsCOMPtr<nsIContent> oldCurrent = current;
oldCurrent->GetParent(*getter_AddRefs(current));
}
return NO;
}
#ifdef FILTER_DESCENDANT_ON_DRAG
/*
this has been disabled because it is too slow, and can cause a large
delay when the user is dragging lots of items. this needs to get
fixed someday.
It should filter out every node whose parent is also being dragged.
*/
NSArray*
BookmarksService::FilterOutDescendantsForDrag(NSArray* nodes)
{
NSMutableArray *toDrag = [NSMutableArray arrayWithArray: nodes];
unsigned int i = 0;
while (i < [toDrag count]) {
BookmarkItem* item = [toDrag objectAtIndex: i];
bool matchFound = false;
for (unsigned int j = 0; j < [toDrag count] && matchFound == NO; j++) {
if (i != j) // Don't compare to self, will always match
matchFound = BookmarksService::DoAncestorsIncludeNode(item, [toDrag objectAtIndex: j]);
}
// if a match was found, remove the node from the array
if (matchFound)
[toDrag removeObjectAtIndex: i];
else
i++;
}
return toDrag;
}
#endif
bool
BookmarksService::IsBookmarkDropValid(BookmarkItem* proposedParent, int index, NSArray* draggedIDs)
{
if ( !draggedIDs )
return NO;
NSMutableArray *draggedItems = [NSMutableArray arrayWithCapacity: [draggedIDs count]];
BOOL toolbarRootMoving = NO;
for (unsigned int i = 0; i < [draggedIDs count]; i++) {
NSNumber* contentID = [draggedIDs objectAtIndex: i];
BookmarkItem* bookmarkItem = BookmarksService::GetWrapperFor([contentID unsignedIntValue]);
nsCOMPtr<nsIContent> itemContent = [bookmarkItem contentNode];
nsCOMPtr<nsIDOMElement> itemElement(do_QueryInterface(itemContent));
if (itemElement == BookmarksService::gToolbarRoot)
toolbarRootMoving = YES;
if (bookmarkItem)
[draggedItems addObject: bookmarkItem];
}
// If we are being dropped into the top level, allow it
if ([proposedParent contentNode] == [BookmarksService::GetRootItem() contentNode])
return true;
// If we are not being dropped on the top level, and the toolbar root is being moved, disallow
if (toolbarRootMoving)
return false;
// Make sure that we are not being dropped into one of our own children
// If the proposed parent, or any of it's ancestors matches one of the nodes being dragged
// then deny the drag.
for (unsigned int i = 0; i < [draggedItems count]; i++) {
if (BookmarksService::DoAncestorsIncludeNode(proposedParent, [draggedItems objectAtIndex: i])) {
return false;
}
}
return true;
}
bool
BookmarksService::PerformProxyDrop(BookmarkItem* parentItem, BookmarkItem* beforeItem, NSDictionary* data)
{
if ( !data )
return NO;
nsCOMPtr<nsIDOMElement> parentElt;
parentElt = do_QueryInterface([parentItem contentNode]);
nsCOMPtr<nsIDOMElement> beforeElt;
beforeElt = do_QueryInterface([beforeItem contentNode]);
nsAutoString url; [[data objectForKey:@"url"] assignTo_nsAString:url];
nsAutoString title; [[data objectForKey:@"title"] assignTo_nsAString:title];
BookmarksService::AddBookmarkToFolder(url, title, parentElt, beforeElt);
return YES;
}
bool
BookmarksService::PerformBookmarkDrop(BookmarkItem* parent, int index, NSArray* draggedIDs)
{
NSEnumerator *enumerator = [draggedIDs reverseObjectEnumerator];
NSNumber *contentID;
// for each item being dragged
while ( (contentID = [enumerator nextObject]) ) {
// get dragged node
nsCOMPtr<nsIContent> draggedNode = [GetWrapperFor([contentID unsignedIntValue]) contentNode];
// get the dragged nodes parent
nsCOMPtr<nsIContent> draggedParent;
if (draggedNode)
draggedNode->GetParent(*getter_AddRefs(draggedParent));
// get the proposed parent
nsCOMPtr<nsIContent> proposedParent = [parent contentNode];
PRInt32 existingIndex = 0;
if (draggedParent)
draggedParent->IndexOf(draggedNode, existingIndex);
// if the deleted nodes parent and the proposed parents are equal
// and if the deleted point is earlier in the list than the inserted point
if (proposedParent == draggedParent && existingIndex < index) {
index--; // if so, move the inserted point up one to compensate
}
// remove it from the tree
if (draggedParent)
draggedParent->RemoveChildAt(existingIndex, PR_TRUE);
BookmarkRemoved(draggedParent, draggedNode, false);
// insert into new position
if (proposedParent)
proposedParent->InsertChildAt(draggedNode, index, PR_TRUE, PR_TRUE);
BookmarkAdded(proposedParent, draggedNode, false);
}
FlushBookmarks();
return true;
}
bool
BookmarksService::PerformURLDrop(BookmarkItem* parentItem, BookmarkItem* beforeItem, NSString* inTitle, NSString* inUrl)
{
if ( !inUrl || [inUrl length] == 0 )
return NO;
nsCOMPtr<nsIDOMElement> parentElt;
parentElt = do_QueryInterface([parentItem contentNode]);
nsCOMPtr<nsIDOMElement> beforeElt;
beforeElt = do_QueryInterface([beforeItem contentNode]);
nsAutoString url; [inUrl assignTo_nsAString:url];
nsAutoString title; [inTitle assignTo_nsAString:title];
if (title.Length() == 0)
[inUrl assignTo_nsAString:title];
BookmarksService::AddBookmarkToFolder(url, title, parentElt, beforeElt);
return YES;
}
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