Annotation of chimera/ContentClickListener.mm, revision 1.5
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
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29: * under the terms of either the GPL or the LGPL, and not to allow others to
30: * use your version of this file under the terms of the NPL, indicate your
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"
49: #include "nsIDOMHTMLAnchorElement.h"
50: #include "nsIDOMHTMLAreaElement.h"
51: #include "nsIDOMHTMLLinkElement.h"
1.1 hyatt 52:
1.5 ! hyatt 53: // Common helper routines (also used by the context menu code)
! 54: #include "GeckoUtils.h"
! 55:
1.1 hyatt 56: NS_IMPL_ISUPPORTS2(ContentClickListener, nsIDOMMouseListener, nsIDOMEventListener);
57:
58: ContentClickListener::ContentClickListener(id aBrowserController)
59: :mBrowserController(aBrowserController)
60: {
61: NS_INIT_ISUPPORTS();
62: }
63:
64: ContentClickListener::~ContentClickListener()
65: {
66:
67: }
68:
69: NS_IMETHODIMP
70: ContentClickListener::MouseClick(nsIDOMEvent* aEvent)
71: {
1.2 hyatt 72: nsCOMPtr<nsIDOMEventTarget> target;
73: aEvent->GetTarget(getter_AddRefs(target));
74: if (!target)
75: return NS_OK;
76: nsCOMPtr<nsIDOMElement> content(do_QueryInterface(target));
77: nsAutoString localName;
78: if (content)
79: content->GetLocalName(localName);
80:
1.3 hyatt 81: nsCOMPtr<nsIDOMElement> linkContent;
1.2 hyatt 82: ToLowerCase(localName);
1.3 hyatt 83: nsAutoString href;
84: if (localName.Equals(NS_LITERAL_STRING("a")) ||
85: localName.Equals(NS_LITERAL_STRING("area")) ||
86: localName.Equals(NS_LITERAL_STRING("link"))) {
87: PRBool hasAttr;
88: content->HasAttribute(NS_LITERAL_STRING("href"), &hasAttr);
89: if (hasAttr) {
90: linkContent = content;
91: nsCOMPtr<nsIDOMHTMLAnchorElement> anchor(do_QueryInterface(linkContent));
92: if (anchor)
93: anchor->GetHref(href);
94: else {
95: nsCOMPtr<nsIDOMHTMLAreaElement> area(do_QueryInterface(linkContent));
96: if (area)
97: area->GetHref(href);
98: else {
99: nsCOMPtr<nsIDOMHTMLLinkElement> link(do_QueryInterface(linkContent));
100: if (link)
101: link->GetHref(href);
102: }
103: }
104: }
105: }
106: else {
107: // XXXdwh Handle prefilling of forms (input fields) on a click.
108: nsCOMPtr<nsIDOMNode> curr(do_QueryInterface(target));
109: nsCOMPtr<nsIDOMNode> temp = curr;
110: temp->GetParentNode(getter_AddRefs(curr));
111: while (curr) {
112: content = do_QueryInterface(curr);
113: if (!content)
114: break;
115: content->GetLocalName(localName);
116: ToLowerCase(localName);
117: if (localName.Equals(NS_LITERAL_STRING("a"))) {
118: PRBool hasAttr;
119: content->HasAttribute(NS_LITERAL_STRING("href"), &hasAttr);
120: if (hasAttr) {
121: linkContent = content;
122: nsCOMPtr<nsIDOMHTMLAnchorElement> anchor(do_QueryInterface(linkContent));
123: if (anchor)
124: anchor->GetHref(href);
125: }
126: else
127: linkContent = nsnull; // Links can't be nested.
128: break;
129: }
130:
131: temp = curr;
132: temp->GetParentNode(getter_AddRefs(curr));
133: }
134: }
1.2 hyatt 135:
1.3 hyatt 136: // XXXdwh Handle simple XLINKs if we want to be compatible with Mozilla, but who
137: // really uses these anyway? :)
138: if (!linkContent || href.IsEmpty())
139: return NS_OK;
140:
141: NSString* hrefStr = [NSString stringWithCharacters: href.get() length:nsCRT::strlen(href.get())];
142: NSURL* urlToLoad = [NSURL URLWithString: hrefStr];
1.2 hyatt 143:
1.3 hyatt 144: nsCOMPtr<nsIPrefBranch> pref(do_GetService("@mozilla.org/preferences-service;1"));
145: if (!pref)
146: return NS_OK; // Something bad happened if we can't get prefs.
147:
148: PRUint16 button;
149: nsCOMPtr<nsIDOMMouseEvent> mouseEvent(do_QueryInterface(aEvent));
150: mouseEvent->GetButton(&button);
151: switch (button) {
152: case 0: {
1.5 ! hyatt 153: PRBool metaKey, shiftKey, altKey;
1.3 hyatt 154: mouseEvent->GetMetaKey(&metaKey);
155: mouseEvent->GetShiftKey(&shiftKey);
1.5 ! hyatt 156: mouseEvent->GetAltKey(&altKey);
1.3 hyatt 157: if (metaKey) {
158: // The command key is down. Open the link in a new window or tab.
159: PRBool useTab;
160: pref->GetBoolPref("browser.tabs.opentabfor.middleclick", &useTab);
161: PRBool loadInBackground;
162: pref->GetBoolPref("browser.tabs.loadInBackground", &loadInBackground);
163: if (shiftKey)
164: loadInBackground = !loadInBackground;
1.4 hyatt 165: if (useTab)
166: [mBrowserController openNewTabWithURL: urlToLoad loadInBackground: loadInBackground];
1.3 hyatt 167: else
168: [mBrowserController openNewWindowWithURL: urlToLoad loadInBackground: loadInBackground];
1.5 ! hyatt 169: }
! 170: else if (altKey) {
! 171: // The user wants to save this link.
! 172: nsAutoString text;
! 173: GeckoUtils::GatherTextUnder(content, text);
! 174:
1.3 hyatt 175: }
176: }
177: }
178:
1.1 hyatt 179: return NS_OK;
180: }
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