Annotation of chimera/ContentClickListener.mm, revision 1.9

1.1       hyatt       1: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
                      2: /* ***** BEGIN LICENSE BLOCK *****
                      3:  * Version: NPL 1.1/GPL 2.0/LGPL 2.1
                      4:  *
                      5:  * The contents of this file are subject to the Netscape Public License
                      6:  * Version 1.1 (the "License"); you may not use this file except in
                      7:  * compliance with the License. You may obtain a copy of the License at
                      8:  * http://www.mozilla.org/NPL/
                      9:  *
                     10:  * Software distributed under the License is distributed on an "AS IS" basis,
                     11:  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
                     12:  * for the specific language governing rights and limitations under the
                     13:  * License.
                     14:  *
                     15:  * The Original Code is mozilla.org code.
                     16:  *
                     17:  * The Initial Developer of the Original Code is 
                     18:  * Netscape Communications Corporation.
                     19:  * Portions created by the Initial Developer are Copyright (C) 2002
                     20:  * the Initial Developer. All Rights Reserved.
                     21:  *
                     22:  * Contributor(s):
                     23:  *
                     24:  * Alternatively, the contents of this file may be used under the terms of
                     25:  * either the GNU General Public License Version 2 or later (the "GPL"), or 
                     26:  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
                     27:  * in which case the provisions of the GPL or the LGPL are applicable instead
                     28:  * of those above. If you wish to allow use of your version of this file only
                     29:  * under the terms of either the GPL or the LGPL, and not to allow others to
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                     31:  * decision by deleting the provisions above and replace them with the notice
                     32:  * and other provisions required by the GPL or the LGPL. If you do not delete
                     33:  * the provisions above, a recipient may use your version of this file under
                     34:  * the terms of any one of the NPL, the GPL or the LGPL.
                     35:  *
                     36:  * ***** END LICENSE BLOCK ***** */
                     37: 
                     38: #include "nsCOMPtr.h"
                     39: #include "ContentClickListener.h"
1.2       hyatt      40: #include "nsIDOMEventTarget.h"
                     41: #include "nsIContent.h"
                     42: #include "nsIAtom.h"
                     43: #include "nsIDOMElement.h"
                     44: #include "nsString.h"
                     45: #include "nsUnicharUtils.h"
1.3       hyatt      46: #include "nsIPrefBranch.h"
                     47: #include "nsIDOMMouseEvent.h"
                     48: #include "nsEmbedAPI.h"
1.1       hyatt      49: 
1.5       hyatt      50: // Common helper routines (also used by the context menu code)
                     51: #include "GeckoUtils.h"
                     52: 
1.1       hyatt      53: NS_IMPL_ISUPPORTS2(ContentClickListener, nsIDOMMouseListener, nsIDOMEventListener);
                     54: 
                     55: ContentClickListener::ContentClickListener(id aBrowserController)
                     56: :mBrowserController(aBrowserController)
                     57: {
                     58:   NS_INIT_ISUPPORTS();
                     59: }
                     60: 
                     61: ContentClickListener::~ContentClickListener()
                     62: {
                     63: 
                     64: }
                     65: 
                     66: NS_IMETHODIMP
                     67: ContentClickListener::MouseClick(nsIDOMEvent* aEvent)
                     68: {
1.2       hyatt      69:   nsCOMPtr<nsIDOMEventTarget> target;
                     70:   aEvent->GetTarget(getter_AddRefs(target));
                     71:   if (!target)
                     72:     return NS_OK;
1.8       hyatt      73:   nsCOMPtr<nsIDOMNode> content(do_QueryInterface(target));
                     74: 
1.3       hyatt      75:   nsCOMPtr<nsIDOMElement> linkContent;
                     76:   nsAutoString href;
1.8       hyatt      77:   GeckoUtils::GetEnclosingLinkElementAndHref(content, getter_AddRefs(linkContent), href);
1.2       hyatt      78:   
1.3       hyatt      79:   // XXXdwh Handle simple XLINKs if we want to be compatible with Mozilla, but who
                     80:   // really uses these anyway? :)
                     81:   if (!linkContent || href.IsEmpty())
                     82:     return NS_OK;
                     83: 
                     84:   nsCOMPtr<nsIPrefBranch> pref(do_GetService("@mozilla.org/preferences-service;1"));
                     85:   if (!pref)
                     86:     return NS_OK; // Something bad happened if we can't get prefs.
                     87:     
                     88:   PRUint16 button;
                     89:   nsCOMPtr<nsIDOMMouseEvent> mouseEvent(do_QueryInterface(aEvent));
                     90:   mouseEvent->GetButton(&button);
1.7       hyatt      91: 
                     92:   PRBool metaKey, shiftKey, altKey;
                     93:   mouseEvent->GetMetaKey(&metaKey);
                     94:   mouseEvent->GetShiftKey(&shiftKey);
                     95:   mouseEvent->GetAltKey(&altKey);
1.9     ! hyatt      96: 
        !            97:   NSString* hrefStr = [NSString stringWithCharacters: href.get() length:nsCRT::strlen(href.get())];
        !            98:   NSURL* linkURL = [NSURL URLWithString: hrefStr];
        !            99: 
1.7       hyatt     100:   if ((metaKey && button == 0) || button == 1) {
                    101:     // The command key is down or we got a middle click.  Open the link in a new window or tab.
                    102:     PRBool useTab;
                    103:     pref->GetBoolPref("browser.tabs.opentabfor.middleclick", &useTab);
                    104:     PRBool loadInBackground;
                    105:     pref->GetBoolPref("browser.tabs.loadInBackground", &loadInBackground);
                    106:     if (shiftKey)
                    107:       loadInBackground = !loadInBackground;
                    108:     if (useTab)
1.9     ! hyatt     109:       [mBrowserController openNewTabWithURL: linkURL loadInBackground: loadInBackground];
1.7       hyatt     110:     else
1.9     ! hyatt     111:       [mBrowserController openNewWindowWithURL: linkURL loadInBackground: loadInBackground];
1.3       hyatt     112:   }
1.7       hyatt     113:   else if (altKey) {
                    114:     // The user wants to save this link.
                    115:     nsAutoString text;
                    116:     GeckoUtils::GatherTextUnder(content, text);
1.9     ! hyatt     117: 
        !           118:     [mBrowserController saveURL: nil filterList: nil
        !           119:               url: linkURL suggestedFilename: [NSString stringWithCharacters: text.get()
        !           120:                                                                       length: nsCRT::strlen(text.get())]];
1.7       hyatt     121:   }
                    122: 
1.1       hyatt     123:   return NS_OK;
                    124: }

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