| /* |
| * 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 "WebExternalPopupMenu.h" |
| #include "WebMenuItemInfo.h" |
| #include "WebPopupMenuInfo.h" |
| #include "WebViewClient.h" |
| #include "core/page/Frame.h" |
| #include "core/page/FrameView.h" |
| #include "core/platform/PopupMenuClient.h" |
| #include "core/platform/graphics/FloatQuad.h" |
| #include "core/platform/graphics/IntPoint.h" |
| #include "core/platform/text/TextDirection.h" |
| #include "public/platform/WebVector.h" |
| |
| using namespace WebCore; |
| |
| namespace WebKit { |
| |
| ExternalPopupMenu::ExternalPopupMenu(Frame& frame, PopupMenuClient* popupMenuClient, WebViewClient* webViewClient) |
| : m_popupMenuClient(popupMenuClient) |
| , m_frameView(frame.view()) |
| , m_webViewClient(webViewClient) |
| , m_webExternalPopupMenu(0) |
| { |
| } |
| |
| ExternalPopupMenu::~ExternalPopupMenu() |
| { |
| } |
| |
| void ExternalPopupMenu::show(const FloatQuad& controlPosition, const IntSize&, int index) |
| { |
| IntRect rect(controlPosition.enclosingBoundingBox()); |
| // 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); |
| if (m_webExternalPopupMenu) |
| m_webExternalPopupMenu->show(m_frameView->contentsToWindow(rect)); |
| else { |
| // The client might refuse to create a popup (when there is already one pending to be shown for example). |
| didCancel(); |
| } |
| } |
| |
| 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::didAcceptIndices(const WebVector<int>& indices) |
| { |
| if (!m_popupMenuClient) { |
| m_webExternalPopupMenu = 0; |
| return; |
| } |
| |
| // 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> protect(this); |
| |
| if (!indices.size()) |
| m_popupMenuClient->valueChanged(-1, true); |
| else { |
| for (size_t i = 0; i < indices.size(); ++i) |
| m_popupMenuClient->listBoxSelectItem(indices[i], (i > 0), false, (i == indices.size() - 1)); |
| } |
| |
| // 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<WebMenuItemInfo> items(static_cast<size_t>(itemCount)); |
| for (int i = 0; i < itemCount; ++i) { |
| WebMenuItemInfo& popupItem = items[i]; |
| popupItem.label = m_popupMenuClient->itemText(i); |
| popupItem.toolTip = m_popupMenuClient->itemToolTip(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); |
| popupItem.checked = m_popupMenuClient->itemIsSelected(i); |
| PopupMenuStyle style = m_popupMenuClient->itemStyle(i); |
| if (style.textDirection() == WebCore::RTL) |
| popupItem.textDirection = WebTextDirectionRightToLeft; |
| else |
| popupItem.textDirection = WebTextDirectionLeftToRight; |
| popupItem.hasTextDirectionOverride = style.hasTextDirectionOverride(); |
| } |
| |
| info->itemHeight = m_popupMenuClient->menuStyle().font().fontMetrics().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->allowMultipleSelection = m_popupMenuClient->multiple(); |
| info->items.swap(items); |
| } |
| |
| } |