--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/chromium/src/AutoFillPopupMenuClient.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,342 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "AutoFillPopupMenuClient.h"
+
+#include "CSSStyleSelector.h"
+#include "CSSValueKeywords.h"
+#include "Chrome.h"
+#include "FrameView.h"
+#include "HTMLInputElement.h"
+#include "RenderTheme.h"
+#include "WebNode.h"
+#include "WebString.h"
+#include "WebVector.h"
+#include "WebViewClient.h"
+#include "WebViewImpl.h"
+
+using namespace WebCore;
+
+namespace WebKit {
+
+AutoFillPopupMenuClient::AutoFillPopupMenuClient()
+ : m_separatorIndex(-1)
+ , m_selectedIndex(-1)
+ , m_textField(0)
+ , m_AutocompleteModeEnabled(false)
+{
+}
+
+AutoFillPopupMenuClient::~AutoFillPopupMenuClient()
+{
+}
+
+unsigned AutoFillPopupMenuClient::getSuggestionsCount() const
+{
+ return m_names.size() + ((m_separatorIndex == -1) ? 0 : 1);
+}
+
+WebString AutoFillPopupMenuClient::getSuggestion(unsigned listIndex) const
+{
+ int index = convertListIndexToInternalIndex(listIndex);
+ if (index == -1)
+ return WebString();
+
+ ASSERT(index >= 0 && static_cast<size_t>(index) < m_names.size());
+ return m_names[index];
+}
+
+WebString AutoFillPopupMenuClient::getLabel(unsigned listIndex) const
+{
+ int index = convertListIndexToInternalIndex(listIndex);
+ if (index == -1)
+ return WebString();
+
+ ASSERT(index >= 0 && static_cast<size_t>(index) < m_labels.size());
+ return m_labels[index];
+}
+
+void AutoFillPopupMenuClient::removeSuggestionAtIndex(unsigned listIndex)
+{
+ if (!canRemoveSuggestionAtIndex(listIndex))
+ return;
+
+ int index = convertListIndexToInternalIndex(listIndex);
+
+ ASSERT(static_cast<unsigned>(index) < m_names.size());
+
+ m_names.remove(index);
+ m_labels.remove(index);
+
+ // Shift the separator index if necessary.
+ if (m_separatorIndex != -1)
+ m_separatorIndex--;
+}
+
+bool AutoFillPopupMenuClient::canRemoveSuggestionAtIndex(unsigned listIndex)
+{
+ // Only allow deletion of items before the separator and those that don't
+ // have a label (autocomplete).
+ int index = convertListIndexToInternalIndex(listIndex);
+ return m_labels[index].isEmpty() && (m_separatorIndex == -1 || listIndex < static_cast<unsigned>(m_separatorIndex));
+}
+
+void AutoFillPopupMenuClient::valueChanged(unsigned listIndex, bool fireEvents)
+{
+ // DEPRECATED: Will be removed once AutoFill and Autocomplete merge is
+ // completed.
+ if (m_AutocompleteModeEnabled) {
+ m_textField->setValue(getSuggestion(listIndex));
+
+ WebViewImpl* webView = getWebView();
+ if (!webView)
+ return;
+
+ EditorClientImpl* editor =
+ static_cast<EditorClientImpl*>(webView->page()->editorClient());
+ ASSERT(editor);
+ editor->onAutocompleteSuggestionAccepted(
+ static_cast<HTMLInputElement*>(m_textField.get()));
+ } else {
+ WebViewImpl* webView = getWebView();
+ if (!webView)
+ return;
+
+ if (m_separatorIndex != -1 && listIndex > static_cast<unsigned>(m_separatorIndex))
+ --listIndex;
+
+ ASSERT(listIndex < m_names.size());
+
+ webView->client()->didAcceptAutoFillSuggestion(WebNode(getTextField()),
+ m_names[listIndex],
+ m_labels[listIndex],
+ m_uniqueIDs[listIndex],
+ listIndex);
+ }
+}
+
+void AutoFillPopupMenuClient::selectionChanged(unsigned listIndex, bool fireEvents)
+{
+ WebViewImpl* webView = getWebView();
+ if (!webView)
+ return;
+
+ if (m_separatorIndex != -1 && listIndex > static_cast<unsigned>(m_separatorIndex))
+ --listIndex;
+
+ ASSERT(listIndex < m_names.size());
+
+ webView->client()->didSelectAutoFillSuggestion(WebNode(getTextField()),
+ m_names[listIndex],
+ m_labels[listIndex],
+ m_uniqueIDs[listIndex]);
+}
+
+void AutoFillPopupMenuClient::selectionCleared()
+{
+ WebViewImpl* webView = getWebView();
+ if (webView)
+ webView->client()->didClearAutoFillSelection(WebNode(getTextField()));
+}
+
+String AutoFillPopupMenuClient::itemText(unsigned listIndex) const
+{
+ return getSuggestion(listIndex);
+}
+
+String AutoFillPopupMenuClient::itemLabel(unsigned listIndex) const
+{
+ return getLabel(listIndex);
+}
+
+PopupMenuStyle AutoFillPopupMenuClient::itemStyle(unsigned listIndex) const
+{
+ return *m_style;
+}
+
+PopupMenuStyle AutoFillPopupMenuClient::menuStyle() const
+{
+ return *m_style;
+}
+
+int AutoFillPopupMenuClient::clientPaddingLeft() const
+{
+ // Bug http://crbug.com/7708 seems to indicate the style can be 0.
+ RenderStyle* style = textFieldStyle();
+ if (!style)
+ return 0;
+
+ return RenderTheme::defaultTheme()->popupInternalPaddingLeft(style);
+}
+
+int AutoFillPopupMenuClient::clientPaddingRight() const
+{
+ // Bug http://crbug.com/7708 seems to indicate the style can be 0.
+ RenderStyle* style = textFieldStyle();
+ if (!style)
+ return 0;
+
+ return RenderTheme::defaultTheme()->popupInternalPaddingRight(style);
+}
+
+void AutoFillPopupMenuClient::popupDidHide()
+{
+ WebViewImpl* webView = getWebView();
+ if (!webView)
+ return;
+
+ webView->autoFillPopupDidHide();
+ webView->client()->didClearAutoFillSelection(WebNode(getTextField()));
+}
+
+bool AutoFillPopupMenuClient::itemIsSeparator(unsigned listIndex) const
+{
+ return (m_separatorIndex != -1 && static_cast<unsigned>(m_separatorIndex) == listIndex);
+}
+
+void AutoFillPopupMenuClient::setTextFromItem(unsigned listIndex)
+{
+ m_textField->setValue(getSuggestion(listIndex));
+}
+
+FontSelector* AutoFillPopupMenuClient::fontSelector() const
+{
+ return m_textField->document()->styleSelector()->fontSelector();
+}
+
+HostWindow* AutoFillPopupMenuClient::hostWindow() const
+{
+ return m_textField->document()->view()->hostWindow();
+}
+
+PassRefPtr<Scrollbar> AutoFillPopupMenuClient::createScrollbar(
+ ScrollbarClient* client,
+ ScrollbarOrientation orientation,
+ ScrollbarControlSize size)
+{
+ return Scrollbar::createNativeScrollbar(client, orientation, size);
+}
+
+void AutoFillPopupMenuClient::initialize(
+ HTMLInputElement* textField,
+ const WebVector<WebString>& names,
+ const WebVector<WebString>& labels,
+ const WebVector<int>& uniqueIDs,
+ int separatorIndex)
+{
+ ASSERT(names.size() == labels.size());
+ ASSERT(names.size() == uniqueIDs.size());
+ ASSERT(separatorIndex < static_cast<int>(names.size()));
+
+ m_selectedIndex = -1;
+ m_textField = textField;
+
+ // The suggestions must be set before initializing the
+ // AutoFillPopupMenuClient.
+ setSuggestions(names, labels, uniqueIDs, separatorIndex);
+
+ FontDescription fontDescription;
+ RenderTheme::defaultTheme()->systemFont(CSSValueWebkitControl,
+ fontDescription);
+ RenderStyle* style = m_textField->computedStyle();
+ fontDescription.setComputedSize(style->fontDescription().computedSize());
+
+ Font font(fontDescription, 0, 0);
+ font.update(textField->document()->styleSelector()->fontSelector());
+ // The direction of text in popup menu is set the same as the direction of
+ // the input element: textField.
+ m_style.set(new PopupMenuStyle(Color::black, Color::white, font, true,
+ Length(WebCore::Fixed),
+ textField->renderer()->style()->direction()));
+}
+
+void AutoFillPopupMenuClient::setSuggestions(const WebVector<WebString>& names,
+ const WebVector<WebString>& labels,
+ const WebVector<int>& uniqueIDs,
+ int separatorIndex)
+{
+ ASSERT(names.size() == labels.size());
+ ASSERT(names.size() == uniqueIDs.size());
+ ASSERT(separatorIndex < static_cast<int>(names.size()));
+
+ m_names.clear();
+ m_labels.clear();
+ m_uniqueIDs.clear();
+ for (size_t i = 0; i < names.size(); ++i) {
+ m_names.append(names[i]);
+ m_labels.append(labels[i]);
+ m_uniqueIDs.append(uniqueIDs[i]);
+ }
+
+ m_separatorIndex = separatorIndex;
+
+ // Try to preserve selection if possible.
+ if (getSelectedIndex() >= static_cast<int>(names.size()))
+ setSelectedIndex(-1);
+}
+
+int AutoFillPopupMenuClient::convertListIndexToInternalIndex(unsigned listIndex) const
+{
+ if (listIndex == static_cast<unsigned>(m_separatorIndex))
+ return -1;
+
+ if (m_separatorIndex == -1 || listIndex < static_cast<unsigned>(m_separatorIndex))
+ return listIndex;
+ return listIndex - 1;
+}
+
+WebViewImpl* AutoFillPopupMenuClient::getWebView() const
+{
+ Frame* frame = m_textField->document()->frame();
+ if (!frame)
+ return 0;
+
+ Page* page = frame->page();
+ if (!page)
+ return 0;
+
+ return static_cast<ChromeClientImpl*>(page->chrome()->client())->webView();
+}
+
+RenderStyle* AutoFillPopupMenuClient::textFieldStyle() const
+{
+ RenderStyle* style = m_textField->computedStyle();
+ if (!style) {
+ // It seems we can only have a 0 style in a TextField if the
+ // node is detached, in which case we the popup should not be
+ // showing. Please report this in http://crbug.com/7708 and
+ // include the page you were visiting.
+ ASSERT_NOT_REACHED();
+ }
+ return style;
+}
+
+} // namespace WebKit