1 /*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "AutofillPopupMenuClient.h"
33
34 #include "CSSValueKeywords.h"
35 #include "WebAutofillClient.h"
36 #include "WebNode.h"
37 #include "WebViewClient.h"
38 #include "WebViewImpl.h"
39 #include "core/css/CSSFontSelector.h"
40 #include "core/css/resolver/StyleResolver.h"
41 #include "core/html/HTMLInputElement.h"
42 #include "core/frame/Frame.h"
43 #include "core/frame/FrameView.h"
44 #include "core/rendering/RenderTheme.h"
45 #include "public/platform/WebString.h"
46 #include "public/platform/WebVector.h"
47
48 using namespace WebCore;
49
50 namespace blink {
51
AutofillPopupMenuClient()52 AutofillPopupMenuClient::AutofillPopupMenuClient()
53 : m_selectedIndex(-1)
54 , m_textField(0)
55 , m_useLegacyBehavior(false)
56 {
57 }
58
~AutofillPopupMenuClient()59 AutofillPopupMenuClient::~AutofillPopupMenuClient()
60 {
61 }
62
getSuggestionsCount() const63 unsigned AutofillPopupMenuClient::getSuggestionsCount() const
64 {
65 return m_names.size();
66 }
67
getSuggestion(unsigned listIndex) const68 WebString AutofillPopupMenuClient::getSuggestion(unsigned listIndex) const
69 {
70 ASSERT_WITH_SECURITY_IMPLICATION(listIndex < m_names.size());
71 return m_names[listIndex];
72 }
73
getLabel(unsigned listIndex) const74 WebString AutofillPopupMenuClient::getLabel(unsigned listIndex) const
75 {
76 ASSERT_WITH_SECURITY_IMPLICATION(listIndex < m_labels.size());
77 return m_labels[listIndex];
78 }
79
getIcon(unsigned listIndex) const80 WebString AutofillPopupMenuClient::getIcon(unsigned listIndex) const
81 {
82 ASSERT_WITH_SECURITY_IMPLICATION(listIndex < m_icons.size());
83 return m_icons[listIndex];
84 }
85
removeSuggestionAtIndex(unsigned listIndex)86 void AutofillPopupMenuClient::removeSuggestionAtIndex(unsigned listIndex)
87 {
88 if (!canRemoveSuggestionAtIndex(listIndex))
89 return;
90
91 ASSERT_WITH_SECURITY_IMPLICATION(listIndex < m_names.size());
92
93 m_names.remove(listIndex);
94 m_labels.remove(listIndex);
95 m_icons.remove(listIndex);
96 m_itemIDs.remove(listIndex);
97 }
98
canRemoveSuggestionAtIndex(unsigned listIndex)99 bool AutofillPopupMenuClient::canRemoveSuggestionAtIndex(unsigned listIndex)
100 {
101 return m_itemIDs[listIndex] == WebAutofillClient::MenuItemIDAutocompleteEntry || m_itemIDs[listIndex] == WebAutofillClient::MenuItemIDPasswordEntry;
102 }
103
valueChanged(unsigned listIndex,bool fireEvents)104 void AutofillPopupMenuClient::valueChanged(unsigned listIndex, bool fireEvents)
105 {
106 WebViewImpl* webView = getWebView();
107 if (!webView)
108 return;
109
110 ASSERT_WITH_SECURITY_IMPLICATION(listIndex < m_names.size());
111
112 if (m_useLegacyBehavior) {
113 for (size_t i = 0; i < m_itemIDs.size(); ++i) {
114 if (m_itemIDs[i] == WebAutofillClient::MenuItemIDSeparator) {
115 if (listIndex > i)
116 listIndex--;
117 break;
118 }
119 }
120 }
121
122 webView->autofillClient()->didAcceptAutofillSuggestion(WebNode(getTextField()),
123 m_names[listIndex],
124 m_labels[listIndex],
125 m_itemIDs[listIndex],
126 listIndex);
127 }
128
selectionChanged(unsigned listIndex,bool fireEvents)129 void AutofillPopupMenuClient::selectionChanged(unsigned listIndex, bool fireEvents)
130 {
131 WebViewImpl* webView = getWebView();
132 if (!webView)
133 return;
134
135 ASSERT_WITH_SECURITY_IMPLICATION(listIndex < m_names.size());
136
137 webView->autofillClient()->didSelectAutofillSuggestion(WebNode(getTextField()),
138 m_names[listIndex],
139 m_labels[listIndex],
140 m_itemIDs[listIndex]);
141 }
142
selectionCleared()143 void AutofillPopupMenuClient::selectionCleared()
144 {
145 WebViewImpl* webView = getWebView();
146 if (webView)
147 webView->autofillClient()->didClearAutofillSelection(WebNode(getTextField()));
148 }
149
itemText(unsigned listIndex) const150 String AutofillPopupMenuClient::itemText(unsigned listIndex) const
151 {
152 return getSuggestion(listIndex);
153 }
154
itemLabel(unsigned listIndex) const155 String AutofillPopupMenuClient::itemLabel(unsigned listIndex) const
156 {
157 return getLabel(listIndex);
158 }
159
itemIcon(unsigned listIndex) const160 String AutofillPopupMenuClient::itemIcon(unsigned listIndex) const
161 {
162 return getIcon(listIndex);
163 }
164
itemIsEnabled(unsigned listIndex) const165 bool AutofillPopupMenuClient::itemIsEnabled(unsigned listIndex) const
166 {
167 return !itemIsWarning(listIndex);
168 }
169
itemStyle(unsigned listIndex) const170 PopupMenuStyle AutofillPopupMenuClient::itemStyle(unsigned listIndex) const
171 {
172 return itemIsWarning(listIndex) ? *m_warningStyle : *m_regularStyle;
173 }
174
menuStyle() const175 PopupMenuStyle AutofillPopupMenuClient::menuStyle() const
176 {
177 return *m_regularStyle;
178 }
179
clientPaddingLeft() const180 WebCore::LayoutUnit AutofillPopupMenuClient::clientPaddingLeft() const
181 {
182 // Bug http://crbug.com/7708 seems to indicate the style can be 0.
183 RenderStyle* style = textFieldStyle();
184 if (!style)
185 return 0;
186
187 return RenderTheme::theme().popupInternalPaddingLeft(style);
188 }
189
clientPaddingRight() const190 WebCore::LayoutUnit AutofillPopupMenuClient::clientPaddingRight() const
191 {
192 // Bug http://crbug.com/7708 seems to indicate the style can be 0.
193 RenderStyle* style = textFieldStyle();
194 if (!style)
195 return 0;
196
197 return RenderTheme::theme().popupInternalPaddingRight(style);
198 }
199
popupDidHide()200 void AutofillPopupMenuClient::popupDidHide()
201 {
202 WebViewImpl* webView = getWebView();
203 if (!webView)
204 return;
205
206 webView->autofillPopupDidHide();
207 webView->autofillClient()->didClearAutofillSelection(WebNode(getTextField()));
208 }
209
itemIsSeparator(unsigned listIndex) const210 bool AutofillPopupMenuClient::itemIsSeparator(unsigned listIndex) const
211 {
212 return m_itemIDs[listIndex] == WebAutofillClient::MenuItemIDSeparator;
213 }
214
itemIsWarning(unsigned listIndex) const215 bool AutofillPopupMenuClient::itemIsWarning(unsigned listIndex) const
216 {
217 return m_itemIDs[listIndex] == WebAutofillClient::MenuItemIDWarningMessage;
218 }
219
setTextFromItem(unsigned listIndex)220 void AutofillPopupMenuClient::setTextFromItem(unsigned listIndex)
221 {
222 m_textField->setValue(getSuggestion(listIndex));
223 }
224
fontSelector() const225 FontSelector* AutofillPopupMenuClient::fontSelector() const
226 {
227 return m_textField->document().styleEngine()->fontSelector();
228 }
229
hostWindow() const230 HostWindow* AutofillPopupMenuClient::hostWindow() const
231 {
232 return m_textField->document().view()->hostWindow();
233 }
234
createScrollbar(ScrollableArea * scrollableArea,ScrollbarOrientation orientation,ScrollbarControlSize size)235 PassRefPtr<Scrollbar> AutofillPopupMenuClient::createScrollbar(
236 ScrollableArea* scrollableArea,
237 ScrollbarOrientation orientation,
238 ScrollbarControlSize size)
239 {
240 return Scrollbar::create(scrollableArea, orientation, size);
241 }
242
initialize(HTMLInputElement * textField,const WebVector<WebString> & names,const WebVector<WebString> & labels,const WebVector<WebString> & icons,const WebVector<int> & itemIDs,int separatorIndex)243 void AutofillPopupMenuClient::initialize(
244 HTMLInputElement* textField,
245 const WebVector<WebString>& names,
246 const WebVector<WebString>& labels,
247 const WebVector<WebString>& icons,
248 const WebVector<int>& itemIDs,
249 int separatorIndex)
250 {
251 ASSERT(names.size() == labels.size());
252 ASSERT(names.size() == icons.size());
253 ASSERT(names.size() == itemIDs.size());
254
255 m_selectedIndex = -1;
256 m_textField = textField;
257
258 if (separatorIndex == -1) {
259 // The suggestions must be set before initializing the
260 // AutofillPopupMenuClient.
261 setSuggestions(names, labels, icons, itemIDs);
262 } else {
263 m_useLegacyBehavior = true;
264 WebVector<WebString> namesWithSeparator(names.size() + 1);
265 WebVector<WebString> labelsWithSeparator(labels.size() + 1);
266 WebVector<WebString> iconsWithSeparator(icons.size() + 1);
267 WebVector<int> itemIDsWithSeparator(itemIDs.size() + 1);
268 for (size_t i = 0; i < names.size(); ++i) {
269 size_t j = i < static_cast<size_t>(separatorIndex) ? i : i + 1;
270 namesWithSeparator[j] = names[i];
271 labelsWithSeparator[j] = labels[i];
272 iconsWithSeparator[j] = icons[i];
273 itemIDsWithSeparator[j] = itemIDs[i];
274 }
275 itemIDsWithSeparator[separatorIndex] = WebAutofillClient::MenuItemIDSeparator;
276 setSuggestions(namesWithSeparator, labelsWithSeparator, iconsWithSeparator, itemIDsWithSeparator);
277 }
278
279 FontDescription regularFontDescription;
280 RenderTheme::theme().systemFont(CSSValueWebkitControl,
281 regularFontDescription);
282 RenderStyle* style = m_textField->computedStyle();
283 regularFontDescription.setComputedSize(style->fontDescription().computedSize());
284
285 Font regularFont(regularFontDescription, 0, 0);
286 regularFont.update(textField->document().styleEngine()->fontSelector());
287 // The direction of text in popup menu is set the same as the direction of
288 // the input element: textField.
289 m_regularStyle = adoptPtr(new PopupMenuStyle(Color::black, Color::white, regularFont, true, false,
290 Length(WebCore::Fixed), textField->renderer()->style()->direction(),
291 textField->renderer()->style()->unicodeBidi() == Override,
292 PopupMenuStyle::CustomBackgroundColor, PopupMenuStyle::AutofillPopup));
293
294 FontDescription warningFontDescription = regularFont.fontDescription();
295 warningFontDescription.setItalic(true);
296 Font warningFont(warningFontDescription, regularFont.letterSpacing(), regularFont.wordSpacing());
297 warningFont.update(regularFont.fontSelector());
298 m_warningStyle = adoptPtr(new PopupMenuStyle(Color::darkGray, m_regularStyle->backgroundColor(), warningFont,
299 m_regularStyle->isVisible(), m_regularStyle->isDisplayNone(),
300 m_regularStyle->textIndent(), m_regularStyle->textDirection(),
301 m_regularStyle->hasTextDirectionOverride(),
302 PopupMenuStyle::CustomBackgroundColor, PopupMenuStyle::AutofillPopup));
303 }
304
setSuggestions(const WebVector<WebString> & names,const WebVector<WebString> & labels,const WebVector<WebString> & icons,const WebVector<int> & itemIDs)305 void AutofillPopupMenuClient::setSuggestions(const WebVector<WebString>& names,
306 const WebVector<WebString>& labels,
307 const WebVector<WebString>& icons,
308 const WebVector<int>& itemIDs)
309 {
310 ASSERT(names.size() == labels.size());
311 ASSERT(names.size() == icons.size());
312 ASSERT(names.size() == itemIDs.size());
313
314 m_names.clear();
315 m_labels.clear();
316 m_icons.clear();
317 m_itemIDs.clear();
318 for (size_t i = 0; i < names.size(); ++i) {
319 m_names.append(names[i]);
320 m_labels.append(labels[i]);
321 m_icons.append(icons[i]);
322 m_itemIDs.append(itemIDs[i]);
323 }
324
325 // Try to preserve selection if possible.
326 if (getSelectedIndex() >= static_cast<int>(names.size()))
327 setSelectedIndex(-1);
328 }
329
getWebView() const330 WebViewImpl* AutofillPopupMenuClient::getWebView() const
331 {
332 return WebViewImpl::fromPage(m_textField->document().page());
333 }
334
textFieldStyle() const335 RenderStyle* AutofillPopupMenuClient::textFieldStyle() const
336 {
337 RenderStyle* style = m_textField->computedStyle();
338 if (!style) {
339 // It seems we can only have a 0 style in a TextField if the
340 // node is detached, in which case we the popup should not be
341 // showing. Please report this in http://crbug.com/7708 and
342 // include the page you were visiting.
343 ASSERT_NOT_REACHED();
344 }
345 return style;
346 }
347
348 } // namespace blink
349