| /* |
| * 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 "web/ExternalPopupMenu.h" |
| |
| #include "core/frame/FrameView.h" |
| #include "core/frame/LocalFrame.h" |
| #include "platform/PopupMenuClient.h" |
| #include "platform/geometry/FloatQuad.h" |
| #include "platform/geometry/IntPoint.h" |
| #include "platform/text/TextDirection.h" |
| #include "public/platform/WebVector.h" |
| #include "public/web/WebExternalPopupMenu.h" |
| #include "public/web/WebMenuItemInfo.h" |
| #include "public/web/WebPopupMenuInfo.h" |
| #include "public/web/WebViewClient.h" |
| #include "web/WebViewImpl.h" |
| |
| namespace blink { |
| |
| ExternalPopupMenu::ExternalPopupMenu(LocalFrame& frame, PopupMenuClient* popupMenuClient, WebViewImpl& webView) |
| : m_popupMenuClient(popupMenuClient) |
| , m_frameView(frame.view()) |
| , m_webView(webView) |
| , m_dispatchEventTimer(this, &ExternalPopupMenu::dispatchEvent) |
| , m_webExternalPopupMenu(0) |
| { |
| } |
| |
| ExternalPopupMenu::~ExternalPopupMenu() |
| { |
| } |
| |
| void ExternalPopupMenu::show(const FloatQuad& controlPosition, const IntSize&, int index) |
| { |
| IntRect rect(controlPosition.enclosingBoundingBox()); |
| // WebCore reuses the PopupMenu of an element. |
| // For simplicity, we do recreate the actual external popup everytime. |
| if (m_webExternalPopupMenu) { |
| m_webExternalPopupMenu->close(); |
| m_webExternalPopupMenu = 0; |
| } |
| |
| WebPopupMenuInfo info; |
| getPopupMenuInfo(info, *m_popupMenuClient); |
| if (info.items.isEmpty()) |
| return; |
| m_webExternalPopupMenu = m_webView.client()->createExternalPopupMenu(info, this); |
| if (m_webExternalPopupMenu) { |
| m_webExternalPopupMenu->show(m_frameView->contentsToWindow(rect)); |
| #if OS(MACOSX) |
| const WebInputEvent* currentEvent = WebViewImpl::currentInputEvent(); |
| if (currentEvent && currentEvent->type == WebInputEvent::MouseDown) { |
| m_syntheticEvent = adoptPtr(new WebMouseEvent); |
| *m_syntheticEvent = *static_cast<const WebMouseEvent*>(currentEvent); |
| m_syntheticEvent->type = WebInputEvent::MouseUp; |
| m_dispatchEventTimer.startOneShot(0, FROM_HERE); |
| // FIXME: show() is asynchronous. If preparing a popup is slow and |
| // a user released the mouse button before showing the popup, |
| // mouseup and click events are correctly dispatched. Dispatching |
| // the synthetic mouseup event is redundant in this case. |
| } |
| #endif |
| } else { |
| // The client might refuse to create a popup (when there is already one pending to be shown for example). |
| didCancel(); |
| } |
| } |
| |
| void ExternalPopupMenu::dispatchEvent(Timer<ExternalPopupMenu>*) |
| { |
| m_webView.handleInputEvent(*m_syntheticEvent); |
| m_syntheticEvent.clear(); |
| } |
| |
| 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(toPopupMenuItemIndex(index, *m_popupMenuClient)); |
| } |
| |
| 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. |
| int popupMenuItemIndex = toPopupMenuItemIndex(index, *m_popupMenuClient); |
| RefPtr<ExternalPopupMenu> guard(this); |
| |
| if (m_popupMenuClient) { |
| m_popupMenuClient->popupDidHide(); |
| m_popupMenuClient->valueChanged(popupMenuItemIndex); |
| } |
| 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(static_cast<unsigned>(-1), true); |
| else { |
| for (size_t i = 0; i < indices.size(); ++i) |
| m_popupMenuClient->listBoxSelectItem(toPopupMenuItemIndex(indices[i], *m_popupMenuClient), (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, PopupMenuClient& popupMenuClient) |
| { |
| int itemCount = popupMenuClient.listSize(); |
| int count = 0; |
| Vector<WebMenuItemInfo> items(static_cast<size_t>(itemCount)); |
| for (int i = 0; i < itemCount; ++i) { |
| PopupMenuStyle style = popupMenuClient.itemStyle(i); |
| if (style.isDisplayNone()) |
| continue; |
| |
| WebMenuItemInfo& popupItem = items[count++]; |
| popupItem.label = popupMenuClient.itemText(i); |
| popupItem.toolTip = popupMenuClient.itemToolTip(i); |
| if (popupMenuClient.itemIsSeparator(i)) |
| popupItem.type = WebMenuItemInfo::Separator; |
| else if (popupMenuClient.itemIsLabel(i)) |
| popupItem.type = WebMenuItemInfo::Group; |
| else |
| popupItem.type = WebMenuItemInfo::Option; |
| popupItem.enabled = popupMenuClient.itemIsEnabled(i); |
| popupItem.checked = popupMenuClient.itemIsSelected(i); |
| popupItem.textDirection = toWebTextDirection(style.textDirection()); |
| popupItem.hasTextDirectionOverride = style.hasTextDirectionOverride(); |
| } |
| |
| info.itemHeight = popupMenuClient.menuStyle().font().fontMetrics().height(); |
| info.itemFontSize = static_cast<int>(popupMenuClient.menuStyle().font().fontDescription().computedSize()); |
| info.selectedIndex = toExternalPopupMenuItemIndex(popupMenuClient.selectedIndex(), popupMenuClient); |
| info.rightAligned = popupMenuClient.menuStyle().textDirection() == RTL; |
| info.allowMultipleSelection = popupMenuClient.multiple(); |
| if (count < itemCount) |
| items.shrink(count); |
| info.items = items; |
| |
| } |
| |
| int ExternalPopupMenu::toPopupMenuItemIndex(int externalPopupMenuItemIndex, PopupMenuClient& popupMenuClient) |
| { |
| if (externalPopupMenuItemIndex < 0) |
| return externalPopupMenuItemIndex; |
| |
| int itemCount = popupMenuClient.listSize(); |
| int indexTracker = 0; |
| for (int i = 0; i < itemCount ; ++i) { |
| if (popupMenuClient.itemStyle(i).isDisplayNone()) |
| continue; |
| if (indexTracker++ == externalPopupMenuItemIndex) |
| return i; |
| } |
| return -1; |
| } |
| |
| int ExternalPopupMenu::toExternalPopupMenuItemIndex(int popupMenuItemIndex, PopupMenuClient& popupMenuClient) |
| { |
| if (popupMenuItemIndex < 0) |
| return popupMenuItemIndex; |
| |
| int itemCount = popupMenuClient.listSize(); |
| int indexTracker = 0; |
| for (int i = 0; i < itemCount; ++i) { |
| if (popupMenuClient.itemStyle(i).isDisplayNone()) |
| continue; |
| if (popupMenuItemIndex == i) |
| return indexTracker; |
| ++indexTracker; |
| } |
| return -1; |
| } |
| |
| } // namespace blink |