1 files changed, 154 insertions, 0 deletions
diff --git a/WebKit/chromium/src/ExternalPopupMenu.cpp b/WebKit/chromium/src/ExternalPopupMenu.cpp
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+++ b/WebKit/chromium/src/ExternalPopupMenu.cpp
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+/*
+ * 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 "ExternalPopupMenu.h"
+
+#include "FrameView.h"
+#include "IntPoint.h"
+#include "PopupMenuClient.h"
+#include "TextDirection.h"
+#include "WebExternalPopupMenu.h"
+#include "WebMenuItemInfo.h"
+#include "WebPopupMenuInfo.h"
+#include "WebVector.h"
+#include "WebViewClient.h"
+
+using namespace WebCore;
+
+namespace WebKit {
+
+ExternalPopupMenu::ExternalPopupMenu(PopupMenuClient* popupMenuClient,
+                                     WebViewClient* webViewClient)
+    : m_popupMenuClient(popupMenuClient)
+    , m_webViewClient(webViewClient)
+    , m_webExternalPopupMenu(0)
+{
+}
+
+ExternalPopupMenu::~ExternalPopupMenu()
+{
+}
+
+void ExternalPopupMenu::show(const IntRect& rect, FrameView* v, int index)
+{
+    // WebCore reuses the PopupMenu of a page.
+    // For simplicity, we do recreate the actual external popup everytime.
+    hide();
+
+    WebPopupMenuInfo info;
+    getPopupMenuInfo(&info);
+    if (info.items.isEmpty())
+        return;
+    m_webExternalPopupMenu =
+        m_webViewClient->createExternalPopupMenu(info, this);
+    m_webExternalPopupMenu->show(v->contentsToWindow(rect));
+}
+
+void ExternalPopupMenu::hide()
+{
+    if (m_popupMenuClient)
+        m_popupMenuClient->popupDidHide();
+    if (!m_webExternalPopupMenu)
+        return;
+    m_webExternalPopupMenu->close();
+    m_webExternalPopupMenu = 0;
+}
+
+void ExternalPopupMenu::updateFromElement()
+{
+}
+
+void ExternalPopupMenu::disconnectClient()
+{
+    hide();
+    m_popupMenuClient = 0;
+}
+
+void ExternalPopupMenu::didChangeSelection(int index)
+{
+    if (m_popupMenuClient)
+        m_popupMenuClient->selectionChanged(index);
+}
+
+void ExternalPopupMenu::didAcceptIndex(int index)
+{
+    // Calling methods on the PopupMenuClient might lead to this object being
+    // derefed. This ensures it does not get deleted while we are running this
+    // method.
+    RefPtr<ExternalPopupMenu> guard(this);
+
+    if (m_popupMenuClient) {
+        m_popupMenuClient->valueChanged(index);
+        // The call to valueChanged above might have lead to a call to
+        // disconnectClient, so we might not have a PopupMenuClient anymore.
+        if (m_popupMenuClient)
+            m_popupMenuClient->popupDidHide();
+    }
+    m_webExternalPopupMenu = 0;
+}
+
+void ExternalPopupMenu::didCancel()
+{
+    // See comment in didAcceptIndex on why we need this.
+    RefPtr<ExternalPopupMenu> guard(this);
+
+    if (m_popupMenuClient)
+        m_popupMenuClient->popupDidHide();
+    m_webExternalPopupMenu = 0;
+}
+
+void ExternalPopupMenu::getPopupMenuInfo(WebPopupMenuInfo* info)
+{
+    int itemCount = m_popupMenuClient->listSize();
+    WebVector<WebPopupMenuInfo::Item> items(
+        static_cast<size_t>(itemCount));
+    for (int i = 0; i < itemCount; ++i) {
+        WebPopupMenuInfo::Item& popupItem = items[i];
+        popupItem.label = m_popupMenuClient->itemText(i);
+        if (m_popupMenuClient->itemIsSeparator(i))
+            popupItem.type = WebMenuItemInfo::Separator;
+        else if (m_popupMenuClient->itemIsLabel(i))
+            popupItem.type = WebMenuItemInfo::Group;
+        else
+            popupItem.type = WebMenuItemInfo::Option;
+        popupItem.enabled = m_popupMenuClient->itemIsEnabled(i);
+    }
+
+    info->itemHeight = m_popupMenuClient->menuStyle().font().height();
+    info->itemFontSize =
+        static_cast<int>(m_popupMenuClient->menuStyle().font().size());
+    info->selectedIndex = m_popupMenuClient->selectedIndex();
+    info->rightAligned =
+        m_popupMenuClient->menuStyle().textDirection() == WebCore::RTL;
+    info->items.swap(items);
+}
+
+} // namespace WebKit