diff options
Diffstat (limited to 'sfx2/source/view/lokhelper.cxx')
-rw-r--r-- | sfx2/source/view/lokhelper.cxx | 614 |
1 files changed, 614 insertions, 0 deletions
diff --git a/sfx2/source/view/lokhelper.cxx b/sfx2/source/view/lokhelper.cxx new file mode 100644 index 000000000..2b1791ddb --- /dev/null +++ b/sfx2/source/view/lokhelper.cxx @@ -0,0 +1,614 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#include <sfx2/lokhelper.hxx> + +#include <com/sun/star/frame/Desktop.hpp> + +#include <comphelper/processfactory.hxx> +#include <rtl/strbuf.hxx> +#include <rtl/ustrbuf.hxx> +#include <vcl/lok.hxx> +#include <vcl/svapp.hxx> +#include <vcl/commandevent.hxx> +#include <sal/log.hxx> +#include <sfx2/app.hxx> +#include <sfx2/msg.hxx> +#include <sfx2/viewsh.hxx> +#include <sfx2/request.hxx> +#include <sfx2/sfxsids.hrc> +#include <sfx2/viewfrm.hxx> +#include <LibreOfficeKit/LibreOfficeKitEnums.h> +#include <comphelper/lok.hxx> +#include <editeng/outliner.hxx> +#include <sfx2/msgpool.hxx> + +#include <shellimpl.hxx> + +#include <boost/property_tree/json_parser.hpp> + +using namespace com::sun::star; + +namespace { +/// Used to disable callbacks. +/// Needed to avoid recursion when switching views, +/// which can cause clients to invoke LOKit API and +/// implicitly set the view, which might cause an +/// infinite recursion if not detected and prevented. +class DisableCallbacks +{ +public: + DisableCallbacks() + { + assert(m_nDisabled >= 0 && "Expected non-negative DisabledCallbacks state when disabling."); + ++m_nDisabled; + } + + ~DisableCallbacks() + { + assert(m_nDisabled > 0 && "Expected positive DisabledCallbacks state when re-enabling."); + --m_nDisabled; + } + + static bool disabled() { return m_nDisabled != 0; } + +private: + static int m_nDisabled; +}; + +int DisableCallbacks::m_nDisabled = 0; +} + +namespace +{ +static LanguageTag g_defaultLanguageTag("en-US", true); +static LOKDeviceFormFactor g_deviceFormFactor = LOKDeviceFormFactor::UNKNOWN; +} + +int SfxLokHelper::createView() +{ + SfxViewFrame* pViewFrame = SfxViewFrame::GetFirst(); + if (!pViewFrame) + return -1; + SfxRequest aRequest(pViewFrame, SID_NEWWINDOW); + pViewFrame->ExecView_Impl(aRequest); + SfxViewShell* pViewShell = SfxViewShell::Current(); + if (!pViewShell) + return -1; + return static_cast<sal_Int32>(pViewShell->GetViewShellId()); +} + +void SfxLokHelper::destroyView(int nId) +{ + SfxApplication* pApp = SfxApplication::Get(); + if (!pApp) + return; + + int nViewShellId = nId; + SfxViewShellArr_Impl& rViewArr = pApp->GetViewShells_Impl(); + + for (SfxViewShell* pViewShell : rViewArr) + { + if (static_cast<sal_Int32>(pViewShell->GetViewShellId()) == nViewShellId) + { + SfxViewFrame* pViewFrame = pViewShell->GetViewFrame(); + SfxRequest aRequest(pViewFrame, SID_CLOSEWIN); + pViewFrame->Exec_Impl(aRequest); + break; + } + } +} + +void SfxLokHelper::setView(int nId) +{ + SfxApplication* pApp = SfxApplication::Get(); + if (!pApp) + return; + + int nViewShellId = nId; + SfxViewShellArr_Impl& rViewArr = pApp->GetViewShells_Impl(); + + for (SfxViewShell* pViewShell : rViewArr) + { + if (static_cast<sal_Int32>(pViewShell->GetViewShellId()) == nViewShellId) + { + DisableCallbacks dc; + + // update the current LOK language and locale for the dialog tunneling + comphelper::LibreOfficeKit::setLanguageTag(pViewShell->GetLOKLanguageTag()); + comphelper::LibreOfficeKit::setLocale(pViewShell->GetLOKLocale()); + + if (pViewShell == SfxViewShell::Current()) + return; + + SfxViewFrame* pViewFrame = pViewShell->GetViewFrame(); + pViewFrame->MakeActive_Impl(false); + + // Make comphelper::dispatchCommand() find the correct frame. + uno::Reference<frame::XFrame> xFrame = pViewFrame->GetFrame().GetFrameInterface(); + uno::Reference<frame::XDesktop2> xDesktop = frame::Desktop::create(comphelper::getProcessComponentContext()); + xDesktop->setActiveFrame(xFrame); + return; + } + } + +} + +int SfxLokHelper::getView(SfxViewShell* pViewShell) +{ + if (!pViewShell) + pViewShell = SfxViewShell::Current(); + // Still no valid view shell? Then no idea. + if (!pViewShell) + return -1; + + return static_cast<sal_Int32>(pViewShell->GetViewShellId()); +} + +std::size_t SfxLokHelper::getViewsCount() +{ + SfxApplication* pApp = SfxApplication::Get(); + return !pApp ? 0 : pApp->GetViewShells_Impl().size(); +} + +bool SfxLokHelper::getViewIds(int* pArray, size_t nSize) +{ + SfxApplication* pApp = SfxApplication::Get(); + if (!pApp) + return false; + + SfxViewShellArr_Impl& rViewArr = pApp->GetViewShells_Impl(); + if (rViewArr.size() > nSize) + return false; + + for (std::size_t i = 0; i < rViewArr.size(); ++i) + { + SfxViewShell* pViewShell = rViewArr[i]; + pArray[i] = static_cast<sal_Int32>(pViewShell->GetViewShellId()); + } + return true; +} + +LanguageTag SfxLokHelper::getDefaultLanguage() +{ + return g_defaultLanguageTag; +} + +void SfxLokHelper::setDefaultLanguage(const OUString& rBcp47LanguageTag) +{ + g_defaultLanguageTag = LanguageTag(rBcp47LanguageTag, true); +} + +void SfxLokHelper::setViewLanguage(int nId, const OUString& rBcp47LanguageTag) +{ + SfxViewShellArr_Impl& rViewArr = SfxGetpApp()->GetViewShells_Impl(); + + for (SfxViewShell* pViewShell : rViewArr) + { + if (pViewShell->GetViewShellId() == ViewShellId(nId)) + { + pViewShell->SetLOKLanguageTag(rBcp47LanguageTag); + return; + } + } +} + +void SfxLokHelper::setViewLocale(int nId, const OUString& rBcp47LanguageTag) +{ + SfxViewShellArr_Impl& rViewArr = SfxGetpApp()->GetViewShells_Impl(); + + for (SfxViewShell* pViewShell : rViewArr) + { + if (pViewShell->GetViewShellId() == ViewShellId(nId)) + { + pViewShell->SetLOKLocale(rBcp47LanguageTag); + return; + } + } +} + +LOKDeviceFormFactor SfxLokHelper::getDeviceFormFactor() +{ + return g_deviceFormFactor; +} + +void SfxLokHelper::setDeviceFormFactor(const OUString& rDeviceFormFactor) +{ + if (rDeviceFormFactor == "desktop") + g_deviceFormFactor = LOKDeviceFormFactor::DESKTOP; + else if (rDeviceFormFactor == "tablet") + g_deviceFormFactor = LOKDeviceFormFactor::TABLET; + else if (rDeviceFormFactor == "mobile") + g_deviceFormFactor = LOKDeviceFormFactor::MOBILE; + else + g_deviceFormFactor = LOKDeviceFormFactor::UNKNOWN; +} + +static OString lcl_escapeQuotes(const OString &rStr) +{ + if (rStr.getLength() < 1) + return rStr; + // FIXME: need an optimized 'escape' method for O[U]String. + OStringBuffer aBuf(rStr.getLength() + 8); + for (sal_Int32 i = 0; i < rStr.getLength(); ++i) + { + if (rStr[i] == '"' || rStr[i] == '\\') + aBuf.append('\\'); + aBuf.append(rStr[i]); + } + return aBuf.makeStringAndClear(); +} + +void SfxLokHelper::notifyOtherView(SfxViewShell* pThisView, SfxViewShell const* pOtherView, int nType, const OString& rKey, const OString& rPayload) +{ + if (DisableCallbacks::disabled()) + return; + + OString aPayload = OStringLiteral("{ \"viewId\": \"") + OString::number(SfxLokHelper::getView(pThisView)) + + "\", \"part\": \"" + OString::number(pThisView->getPart()) + + "\", \"" + rKey + "\": \"" + lcl_escapeQuotes(rPayload) + "\" }"; + + pOtherView->libreOfficeKitViewCallback(nType, aPayload.getStr()); +} + +void SfxLokHelper::notifyOtherViews(SfxViewShell* pThisView, int nType, const OString& rKey, const OString& rPayload) +{ + if (SfxLokHelper::getViewsCount() <= 1 || DisableCallbacks::disabled()) + return; + + SfxViewShell* pViewShell = SfxViewShell::GetFirst(); + while (pViewShell) + { + if (pViewShell != pThisView) + notifyOtherView(pThisView, pViewShell, nType, rKey, rPayload); + + pViewShell = SfxViewShell::GetNext(*pViewShell); + } +} + +namespace { + OUString lcl_getNameForSlot(const SfxViewShell* pShell, sal_uInt16 nWhich) + { + if (pShell && pShell->GetFrame()) + { + const SfxSlot* pSlot = SfxSlotPool::GetSlotPool(pShell->GetFrame()).GetSlot(nWhich); + if (pSlot) + { + OUStringBuffer sUnoCommand(".uno:"); + const char* pName = pSlot->GetUnoName(); + if (pName) + { + sUnoCommand.append(OStringToOUString(pName, RTL_TEXTENCODING_ASCII_US)); + return sUnoCommand.makeStringAndClear(); + } + } + } + + return ""; + } +} + +void SfxLokHelper::sendUnoStatus(const SfxViewShell* pShell, const SfxPoolItem* pItem) +{ + if (!pShell || !pItem || pItem == INVALID_POOL_ITEM || DisableCallbacks::disabled()) + return; + + boost::property_tree::ptree aItem = pItem->dumpAsJSON(); + + if (aItem.count("state")) + { + OUString sCommand = lcl_getNameForSlot(pShell, pItem->Which()); + if (!sCommand.isEmpty()) + aItem.put("commandName", sCommand); + + std::stringstream aStream; + boost::property_tree::write_json(aStream, aItem); + pShell->libreOfficeKitViewCallback(LOK_CALLBACK_STATE_CHANGED, aStream.str().c_str()); + } +} + +void SfxLokHelper::notifyWindow(const SfxViewShell* pThisView, + vcl::LOKWindowId nLOKWindowId, + const OUString& rAction, + const std::vector<vcl::LOKPayloadItem>& rPayload) +{ + assert(pThisView); + + if (SfxLokHelper::getViewsCount() <= 0 || nLOKWindowId == 0 || DisableCallbacks::disabled()) + return; + + OStringBuffer aPayload; + aPayload.append("{ \"id\": \"").append(OString::number(nLOKWindowId)).append("\""); + aPayload.append(", \"action\": \"").append(OUStringToOString(rAction, RTL_TEXTENCODING_UTF8)).append("\""); + + for (const auto& rItem: rPayload) + { + if (!rItem.first.isEmpty() && !rItem.second.isEmpty()) + { + aPayload.append(", \"").append(rItem.first).append("\": \"") + .append(rItem.second).append("\""); + } + } + aPayload.append("}"); + + auto s = aPayload.makeStringAndClear(); + pThisView->libreOfficeKitViewCallback(LOK_CALLBACK_WINDOW, s.getStr()); +} + +void SfxLokHelper::notifyInvalidation(SfxViewShell const* pThisView, const OString& rPayload) +{ + OStringBuffer aBuf(32); + + if (DisableCallbacks::disabled()) + return; + + aBuf.append(rPayload); + if (comphelper::LibreOfficeKit::isPartInInvalidation()) + { + aBuf.append(", "); + aBuf.append(static_cast<sal_Int32>(pThisView->getPart())); + } + pThisView->libreOfficeKitViewCallback(LOK_CALLBACK_INVALIDATE_TILES, aBuf.makeStringAndClear().getStr()); +} + +void SfxLokHelper::notifyDocumentSizeChanged(SfxViewShell const* pThisView, const OString& rPayload, vcl::ITiledRenderable* pDoc, bool bInvalidateAll) +{ + if (!pDoc || pDoc->isDisposed() || !comphelper::LibreOfficeKit::isActive() || DisableCallbacks::disabled()) + return; + + if (bInvalidateAll) + { + for (int i = 0; i < pDoc->getParts(); ++i) + { + tools::Rectangle aRectangle(0, 0, 1000000000, 1000000000); + OString sPayload = aRectangle.toString() + ", " + OString::number(i); + pThisView->libreOfficeKitViewCallback(LOK_CALLBACK_INVALIDATE_TILES, sPayload.getStr()); + } + } + pThisView->libreOfficeKitViewCallback(LOK_CALLBACK_DOCUMENT_SIZE_CHANGED, rPayload.getStr()); +} + +void SfxLokHelper::notifyDocumentSizeChangedAllViews(vcl::ITiledRenderable* pDoc, bool bInvalidateAll) +{ + if (!comphelper::LibreOfficeKit::isActive() || DisableCallbacks::disabled()) + return; + + SfxViewShell* pViewShell = SfxViewShell::GetFirst(); + while (pViewShell) + { + SfxLokHelper::notifyDocumentSizeChanged(pViewShell, "", pDoc, bInvalidateAll); + pViewShell = SfxViewShell::GetNext(*pViewShell); + } +} + +void SfxLokHelper::notifyVisCursorInvalidation(OutlinerViewShell const* pThisView, const OString& rRectangle, bool bMispelledWord, const OString& rHyperlink) +{ + if (DisableCallbacks::disabled()) + return; + + OString sPayload; + if (comphelper::LibreOfficeKit::isViewIdForVisCursorInvalidation()) + { + OString sHyperlink = rHyperlink.isEmpty() ? "{}" : rHyperlink; + sPayload = OStringLiteral("{ \"viewId\": \"") + OString::number(SfxLokHelper::getView()) + + "\", \"rectangle\": \"" + rRectangle + + "\", \"mispelledWord\": \"" + OString::number(bMispelledWord ? 1 : 0) + + "\", \"hyperlink\": " + sHyperlink + " }"; + } + else + { + sPayload = rRectangle; + } + pThisView->libreOfficeKitViewCallback(LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR, sPayload.getStr()); +} + +void SfxLokHelper::notifyAllViews(int nType, const OString& rPayload) +{ + if (DisableCallbacks::disabled()) + return; + + const auto payload = rPayload.getStr(); + SfxViewShell* pViewShell = SfxViewShell::GetFirst(); + while (pViewShell) + { + pViewShell->libreOfficeKitViewCallback(nType, payload); + pViewShell = SfxViewShell::GetNext(*pViewShell); + } +} + +void SfxLokHelper::notifyContextChange(SfxViewShell const* pViewShell, const OUString& aApplication, const OUString& aContext) +{ + if (DisableCallbacks::disabled()) + return; + + OString aBuffer = + OUStringToOString(aApplication.replace(' ', '_'), RTL_TEXTENCODING_UTF8) + + " " + + OUStringToOString(aContext.replace(' ', '_'), RTL_TEXTENCODING_UTF8); + pViewShell->libreOfficeKitViewCallback(LOK_CALLBACK_CONTEXT_CHANGED, aBuffer.getStr()); +} + + +namespace +{ + struct LOKAsyncEventData + { + int mnView; // Window is not enough. + VclPtr<vcl::Window> mpWindow; + VclEventId mnEvent; + MouseEvent maMouseEvent; + KeyEvent maKeyEvent; + OUString maText; + }; + + void LOKPostAsyncEvent(void* pEv, void*) + { + LOKAsyncEventData* pLOKEv = static_cast<LOKAsyncEventData*>(pEv); + if (pLOKEv->mpWindow->IsDisposed()) + return; + + int nView = SfxLokHelper::getView(nullptr); + if (nView != pLOKEv->mnView) + { + SAL_INFO("sfx.view", "LOK - view mismatch " << nView << " vs. " << pLOKEv->mnView); + SfxLokHelper::setView(pLOKEv->mnView); + } + + if (!pLOKEv->mpWindow->HasChildPathFocus(true)) + { + SAL_INFO("sfx.view", "LOK - focus mismatch, switching focus"); + pLOKEv->mpWindow->GrabFocus(); + } + + VclPtr<vcl::Window> pFocusWindow = pLOKEv->mpWindow->GetFocusedWindow(); + if (!pFocusWindow) + pFocusWindow = pLOKEv->mpWindow; + + switch (pLOKEv->mnEvent) + { + case VclEventId::WindowKeyInput: + { + sal_uInt16 nRepeat = pLOKEv->maKeyEvent.GetRepeat(); + KeyEvent singlePress(pLOKEv->maKeyEvent.GetCharCode(), + pLOKEv->maKeyEvent.GetKeyCode()); + for (sal_uInt16 i = 0; i <= nRepeat; ++i) + pFocusWindow->KeyInput(singlePress); + break; + } + case VclEventId::WindowKeyUp: + pFocusWindow->KeyUp(pLOKEv->maKeyEvent); + break; + case VclEventId::WindowMouseButtonDown: + pLOKEv->mpWindow->LogicMouseButtonDown(pLOKEv->maMouseEvent); + // Invoke the context menu + if (pLOKEv->maMouseEvent.GetButtons() & MOUSE_RIGHT) + { + const CommandEvent aCEvt(pLOKEv->maMouseEvent.GetPosPixel(), CommandEventId::ContextMenu, true, nullptr); + pLOKEv->mpWindow->Command(aCEvt); + } + break; + case VclEventId::WindowMouseButtonUp: + pLOKEv->mpWindow->LogicMouseButtonUp(pLOKEv->maMouseEvent); + + // sometimes MouseButtonDown captures mouse and starts tracking, and VCL + // will not take care of releasing that with tiled rendering + if (pLOKEv->mpWindow->IsTracking()) + pLOKEv->mpWindow->EndTracking(); + + break; + case VclEventId::WindowMouseMove: + pLOKEv->mpWindow->LogicMouseMove(pLOKEv->maMouseEvent); + break; + case VclEventId::ExtTextInput: + case VclEventId::EndExtTextInput: + pLOKEv->mpWindow->PostExtTextInputEvent(pLOKEv->mnEvent, pLOKEv->maText); + break; + default: + assert(false); + break; + } + + delete pLOKEv; + } + + void postEventAsync(LOKAsyncEventData *pEvent) + { + if (!pEvent->mpWindow || pEvent->mpWindow->IsDisposed()) + { + SAL_WARN("vcl", "Async event post - but no valid window as destination " << pEvent->mpWindow.get()); + delete pEvent; + return; + } + + pEvent->mnView = SfxLokHelper::getView(nullptr); + if (vcl::lok::isUnipoll()) + { + if (!Application::IsMainThread()) + SAL_WARN("lok", "Posting event directly but not called from main thread!"); + LOKPostAsyncEvent(pEvent, nullptr); + } + else + Application::PostUserEvent(Link<void*, void>(pEvent, LOKPostAsyncEvent)); + } +} + +void SfxLokHelper::postKeyEventAsync(const VclPtr<vcl::Window> &xWindow, + int nType, int nCharCode, int nKeyCode, int nRepeat) +{ + LOKAsyncEventData* pLOKEv = new LOKAsyncEventData; + switch (nType) + { + case LOK_KEYEVENT_KEYINPUT: + pLOKEv->mnEvent = VclEventId::WindowKeyInput; + break; + case LOK_KEYEVENT_KEYUP: + pLOKEv->mnEvent = VclEventId::WindowKeyUp; + break; + default: + assert(false); + } + pLOKEv->maKeyEvent = KeyEvent(nCharCode, nKeyCode, nRepeat); + pLOKEv->mpWindow = xWindow; + postEventAsync(pLOKEv); +} + +void SfxLokHelper::postExtTextEventAsync(const VclPtr<vcl::Window> &xWindow, + int nType, const OUString &rText) +{ + LOKAsyncEventData* pLOKEv = new LOKAsyncEventData; + switch (nType) + { + case LOK_EXT_TEXTINPUT: + pLOKEv->mnEvent = VclEventId::ExtTextInput; + pLOKEv->maText = rText; + break; + case LOK_EXT_TEXTINPUT_END: + pLOKEv->mnEvent = VclEventId::EndExtTextInput; + pLOKEv->maText = ""; + break; + default: + assert(false); + } + pLOKEv->mpWindow = xWindow; + postEventAsync(pLOKEv); +} + +void SfxLokHelper::postMouseEventAsync(const VclPtr<vcl::Window> &xWindow, LokMouseEventData const & rLokMouseEventData) +{ + LOKAsyncEventData* pLOKEv = new LOKAsyncEventData; + switch (rLokMouseEventData.mnType) + { + case LOK_MOUSEEVENT_MOUSEBUTTONDOWN: + pLOKEv->mnEvent = VclEventId::WindowMouseButtonDown; + break; + case LOK_MOUSEEVENT_MOUSEBUTTONUP: + pLOKEv->mnEvent = VclEventId::WindowMouseButtonUp; + break; + case LOK_MOUSEEVENT_MOUSEMOVE: + pLOKEv->mnEvent = VclEventId::WindowMouseMove; + break; + default: + assert(false); + } + + // no reason - just always true so far. + assert (rLokMouseEventData.meModifiers == MouseEventModifiers::SIMPLECLICK); + + pLOKEv->maMouseEvent = MouseEvent(rLokMouseEventData.maPosition, rLokMouseEventData.mnCount, + rLokMouseEventData.meModifiers, rLokMouseEventData.mnButtons, + rLokMouseEventData.mnModifier); + if (rLokMouseEventData.maLogicPosition) + { + pLOKEv->maMouseEvent.setLogicPosition(*rLokMouseEventData.maLogicPosition); + } + pLOKEv->mpWindow = xWindow; + postEventAsync(pLOKEv); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |