Split fwl/core class pt II.

xfa/fwl/core/fwl_noteimp.cpp

Index: xfa/fwl/core/fwl_noteimp.cpp
diff --git a/xfa/fwl/core/fwl_noteimp.cpp b/xfa/fwl/core/fwl_noteimp.cpp
deleted file mode 100644
index 8b9a7236fe570742a7f23f0a84ae0c214a0d8e05..0000000000000000000000000000000000000000
--- a/xfa/fwl/core/fwl_noteimp.cpp
+++ /dev/null
@@ -1,553 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "xfa/fwl/core/fwl_noteimp.h"
-
-#include <utility>
-
-#include "core/fxcrt/fx_ext.h"
-#include "third_party/base/ptr_util.h"
-#include "third_party/base/stl_util.h"
-#include "xfa/fwl/core/cfwl_msgkey.h"
-#include "xfa/fwl/core/cfwl_msgkillfocus.h"
-#include "xfa/fwl/core/cfwl_msgmouse.h"
-#include "xfa/fwl/core/cfwl_msgmousewheel.h"
-#include "xfa/fwl/core/cfwl_msgsetfocus.h"
-#include "xfa/fwl/core/cfwl_widgetmgr.h"
-#include "xfa/fwl/core/ifwl_app.h"
-#include "xfa/fwl/core/ifwl_tooltip.h"
-
-CFWL_NoteLoop::CFWL_NoteLoop() : m_bContinueModal(true) {}
-
-CFWL_NoteDriver::CFWL_NoteDriver()
-    : m_pHover(nullptr),
-      m_pFocus(nullptr),
-      m_pGrab(nullptr),
-      m_pNoteLoop(pdfium::MakeUnique<CFWL_NoteLoop>()) {
-  PushNoteLoop(m_pNoteLoop.get());
-}
-
-CFWL_NoteDriver::~CFWL_NoteDriver() {
-  ClearEventTargets(true);
-}
-
-void CFWL_NoteDriver::SendEvent(CFWL_Event* pNote) {
-  if (m_eventTargets.empty())
-    return;
-
-  for (const auto& pair : m_eventTargets) {
-    CFWL_EventTarget* pEventTarget = pair.second;
-    if (pEventTarget && !pEventTarget->IsInvalid())
-      pEventTarget->ProcessEvent(pNote);
-  }
-}
-
-void CFWL_NoteDriver::RegisterEventTarget(IFWL_Widget* pListener,
-                                          IFWL_Widget* pEventSource,
-                                          uint32_t dwFilter) {
-  uint32_t key = pListener->GetEventKey();
-  if (key == 0) {
-    do {
-      key = rand();
-    } while (key == 0 || pdfium::ContainsKey(m_eventTargets, key));
-    pListener->SetEventKey(key);
-  }
-  if (!m_eventTargets[key])
-    m_eventTargets[key] = new CFWL_EventTarget(pListener);
-
-  m_eventTargets[key]->SetEventSource(pEventSource, dwFilter);
-}
-
-void CFWL_NoteDriver::UnregisterEventTarget(IFWL_Widget* pListener) {
-  uint32_t key = pListener->GetEventKey();
-  if (key == 0)
-    return;
-
-  auto it = m_eventTargets.find(key);
-  if (it != m_eventTargets.end())
-    it->second->FlagInvalid();
-}
-
-void CFWL_NoteDriver::PushNoteLoop(CFWL_NoteLoop* pNoteLoop) {
-  m_noteLoopQueue.Add(pNoteLoop);
-}
-
-CFWL_NoteLoop* CFWL_NoteDriver::PopNoteLoop() {
-  int32_t pos = m_noteLoopQueue.GetSize();
-  if (pos <= 0)
-    return nullptr;
-
-  CFWL_NoteLoop* p = m_noteLoopQueue.GetAt(pos - 1);
-  m_noteLoopQueue.RemoveAt(pos - 1);
-  return p;
-}
-
-bool CFWL_NoteDriver::SetFocus(IFWL_Widget* pFocus, bool bNotify) {
-  if (m_pFocus == pFocus)
-    return true;
-
-  IFWL_Widget* pPrev = m_pFocus;
-  m_pFocus = pFocus;
-  if (pPrev) {
-    CFWL_MsgKillFocus ms;
-    ms.m_pDstTarget = pPrev;
-    ms.m_pSrcTarget = pPrev;
-    if (bNotify)
-      ms.m_dwExtend = 1;
-
-    if (IFWL_WidgetDelegate* pDelegate = pPrev->GetDelegate())
-      pDelegate->OnProcessMessage(&ms);
-  }
-  if (pFocus) {
-    IFWL_Widget* pWidget =
-        pFocus->GetOwnerApp()->GetWidgetMgr()->GetSystemFormWidget(pFocus);
-    IFWL_Form* pForm = static_cast<IFWL_Form*>(pWidget);
-    if (pForm)
-      pForm->SetSubFocus(pFocus);
-
-    CFWL_MsgSetFocus ms;
-    ms.m_pDstTarget = pFocus;
-    if (bNotify)
-      ms.m_dwExtend = 1;
-    if (IFWL_WidgetDelegate* pDelegate = pFocus->GetDelegate())
-      pDelegate->OnProcessMessage(&ms);
-  }
-  return true;
-}
-
-void CFWL_NoteDriver::Run() {
-#if (_FX_OS_ == _FX_LINUX_DESKTOP_ || _FX_OS_ == _FX_WIN32_DESKTOP_ || \
-     _FX_OS_ == _FX_WIN64_)
-  for (;;) {
-    CFWL_NoteLoop* pTopLoop = GetTopLoop();
-    if (!pTopLoop || !pTopLoop->ContinueModal())
-      break;
-    UnqueueMessage(pTopLoop);
-  }
-#endif
-}
-
-void CFWL_NoteDriver::NotifyTargetHide(IFWL_Widget* pNoteTarget) {
-  if (m_pFocus == pNoteTarget)
-    m_pFocus = nullptr;
-  if (m_pHover == pNoteTarget)
-    m_pHover = nullptr;
-  if (m_pGrab == pNoteTarget)
-    m_pGrab = nullptr;
-}
-
-void CFWL_NoteDriver::NotifyTargetDestroy(IFWL_Widget* pNoteTarget) {
-  if (m_pFocus == pNoteTarget)
-    m_pFocus = nullptr;
-  if (m_pHover == pNoteTarget)
-    m_pHover = nullptr;
-  if (m_pGrab == pNoteTarget)
-    m_pGrab = nullptr;
-
-  UnregisterEventTarget(pNoteTarget);
-
-  for (int32_t nIndex = 0; nIndex < m_forms.GetSize(); nIndex++) {
-    IFWL_Form* pForm = static_cast<IFWL_Form*>(m_forms[nIndex]);
-    if (!pForm)
-      continue;
-
-    IFWL_Widget* pSubFocus = pForm->GetSubFocus();
-    if (!pSubFocus)
-      return;
-    if (pSubFocus == pNoteTarget)
-      pForm->SetSubFocus(nullptr);
-  }
-}
-
-void CFWL_NoteDriver::RegisterForm(IFWL_Widget* pForm) {
-  if (!pForm || m_forms.Find(pForm) >= 0)
-    return;
-
-  m_forms.Add(pForm);
-  if (m_forms.GetSize() != 1)
-    return;
-
-  CFWL_NoteLoop* pLoop = m_noteLoopQueue.GetAt(0);
-  if (!pLoop)
-    return;
-
-  pLoop->SetMainForm(pForm);
-}
-
-void CFWL_NoteDriver::UnRegisterForm(IFWL_Widget* pForm) {
-  if (!pForm)
-    return;
-
-  int32_t nIndex = m_forms.Find(pForm);
-  if (nIndex < 0)
-    return;
-
-  m_forms.RemoveAt(nIndex);
-}
-
-void CFWL_NoteDriver::QueueMessage(std::unique_ptr<CFWL_Message> pMessage) {
-  m_noteQueue.push_back(std::move(pMessage));
-}
-
-void CFWL_NoteDriver::UnqueueMessage(CFWL_NoteLoop* pNoteLoop) {
-  if (m_noteQueue.empty())
-    return;
-
-  std::unique_ptr<CFWL_Message> pMessage = std::move(m_noteQueue[0]);
-  m_noteQueue.pop_front();
-
-  if (!IsValidMessage(pMessage.get()))
-    return;
-
-  ProcessMessage(pMessage.get());
-}
-
-CFWL_NoteLoop* CFWL_NoteDriver::GetTopLoop() const {
-  int32_t size = m_noteLoopQueue.GetSize();
-  if (size <= 0)
-    return nullptr;
-  return m_noteLoopQueue[size - 1];
-}
-
-void CFWL_NoteDriver::ProcessMessage(CFWL_Message* pMessage) {
-  CFWL_WidgetMgr* pWidgetMgr =
-      pMessage->m_pDstTarget->GetOwnerApp()->GetWidgetMgr();
-  IFWL_Widget* pMessageForm = pWidgetMgr->IsFormDisabled()
-                                  ? pMessage->m_pDstTarget
-                                  : GetMessageForm(pMessage->m_pDstTarget);
-  if (!pMessageForm)
-    return;
-  if (!DispatchMessage(pMessage, pMessageForm))
-    return;
-
-  if (pMessage->GetClassID() == CFWL_MessageType::Mouse)
-    MouseSecondary(pMessage);
-}
-
-bool CFWL_NoteDriver::DispatchMessage(CFWL_Message* pMessage,
-                                      IFWL_Widget* pMessageForm) {
-  switch (pMessage->GetClassID()) {
-    case CFWL_MessageType::SetFocus: {
-      if (!DoSetFocus(pMessage, pMessageForm))
-        return false;
-      break;
-    }
-    case CFWL_MessageType::KillFocus: {
-      if (!DoKillFocus(pMessage, pMessageForm))
-        return false;
-      break;
-    }
-    case CFWL_MessageType::Key: {
-      if (!DoKey(pMessage, pMessageForm))
-        return false;
-      break;
-    }
-    case CFWL_MessageType::Mouse: {
-      if (!DoMouse(pMessage, pMessageForm))
-        return false;
-      break;
-    }
-    case CFWL_MessageType::MouseWheel: {
-      if (!DoWheel(pMessage, pMessageForm))
-        return false;
-      break;
-    }
-    default:
-      break;
-  }
-  if (IFWL_WidgetDelegate* pDelegate = pMessage->m_pDstTarget->GetDelegate())
-    pDelegate->OnProcessMessage(pMessage);
-
-  return true;
-}
-
-bool CFWL_NoteDriver::DoSetFocus(CFWL_Message* pMessage,
-                                 IFWL_Widget* pMessageForm) {
-  CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
-  if (pWidgetMgr->IsFormDisabled()) {
-    m_pFocus = pMessage->m_pDstTarget;
-    return true;
-  }
-
-  IFWL_Widget* pWidget = pMessage->m_pDstTarget;
-  if (!pWidget)
-    return false;
-
-  IFWL_Form* pForm = static_cast<IFWL_Form*>(pWidget);
-  IFWL_Widget* pSubFocus = pForm->GetSubFocus();
-  if (pSubFocus && ((pSubFocus->GetStates() & FWL_WGTSTATE_Focused) == 0)) {
-    pMessage->m_pDstTarget = pSubFocus;
-    if (m_pFocus != pMessage->m_pDstTarget) {
-      m_pFocus = pMessage->m_pDstTarget;
-      return true;
-    }
-  }
-  return false;
-}
-
-bool CFWL_NoteDriver::DoKillFocus(CFWL_Message* pMessage,
-                                  IFWL_Widget* pMessageForm) {
-  CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
-  if (pWidgetMgr->IsFormDisabled()) {
-    if (m_pFocus == pMessage->m_pDstTarget)
-      m_pFocus = nullptr;
-    return true;
-  }
-
-  IFWL_Form* pForm = static_cast<IFWL_Form*>(pMessage->m_pDstTarget);
-  if (!pForm)
-    return false;
-
-  IFWL_Widget* pSubFocus = pForm->GetSubFocus();
-  if (pSubFocus && (pSubFocus->GetStates() & FWL_WGTSTATE_Focused)) {
-    pMessage->m_pDstTarget = pSubFocus;
-    if (m_pFocus == pMessage->m_pDstTarget) {
-      m_pFocus = nullptr;
-      return true;
-    }
-  }
-  return false;
-}
-
-bool CFWL_NoteDriver::DoKey(CFWL_Message* pMessage, IFWL_Widget* pMessageForm) {
-  CFWL_MsgKey* pMsg = static_cast<CFWL_MsgKey*>(pMessage);
-#if (_FX_OS_ != _FX_MACOSX_)
-  if (pMsg->m_dwCmd == FWL_KeyCommand::KeyDown &&
-      pMsg->m_dwKeyCode == FWL_VKEY_Tab) {
-    CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
-    IFWL_Widget* pForm = GetMessageForm(pMsg->m_pDstTarget);
-    IFWL_Widget* pFocus = m_pFocus;
-    if (m_pFocus && pWidgetMgr->GetSystemFormWidget(m_pFocus) != pForm)
-      pFocus = nullptr;
-
-    bool bFind = false;
-    IFWL_Widget* pNextTabStop = pWidgetMgr->NextTab(pForm, pFocus, bFind);
-    if (!pNextTabStop) {
-      bFind = false;
-      pNextTabStop = pWidgetMgr->NextTab(pForm, nullptr, bFind);
-    }
-    if (pNextTabStop == pFocus)
-      return true;
-    if (pNextTabStop)
-      SetFocus(pNextTabStop);
-    return true;
-  }
-#endif
-
-  if (!m_pFocus) {
-    if (pMsg->m_dwCmd == FWL_KeyCommand::KeyDown &&
-        pMsg->m_dwKeyCode == FWL_VKEY_Return) {
-      CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
-      IFWL_Widget* defButton = pWidgetMgr->GetDefaultButton(pMessageForm);
-      if (defButton) {
-        pMsg->m_pDstTarget = defButton;
-        return true;
-      }
-    }
-    return false;
-  }
-  pMsg->m_pDstTarget = m_pFocus;
-  return true;
-}
-
-bool CFWL_NoteDriver::DoMouse(CFWL_Message* pMessage,
-                              IFWL_Widget* pMessageForm) {
-  CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
-  if (pMsg->m_dwCmd == FWL_MouseCommand::Leave ||
-      pMsg->m_dwCmd == FWL_MouseCommand::Hover ||
-      pMsg->m_dwCmd == FWL_MouseCommand::Enter) {
-    return !!pMsg->m_pDstTarget;
-  }
-  if (pMsg->m_pDstTarget != pMessageForm)
-    pMsg->m_pDstTarget->TransformTo(pMessageForm, pMsg->m_fx, pMsg->m_fy);
-  if (!DoMouseEx(pMsg, pMessageForm))
-    pMsg->m_pDstTarget = pMessageForm;
-  return true;
-}
-
-bool CFWL_NoteDriver::DoWheel(CFWL_Message* pMessage,
-                              IFWL_Widget* pMessageForm) {
-  CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
-  if (!pWidgetMgr)
-    return false;
-
-  CFWL_MsgMouseWheel* pMsg = static_cast<CFWL_MsgMouseWheel*>(pMessage);
-  IFWL_Widget* pDst =
-      pWidgetMgr->GetWidgetAtPoint(pMessageForm, pMsg->m_fx, pMsg->m_fy);
-  if (!pDst)
-    return false;
-
-  pMessageForm->TransformTo(pDst, pMsg->m_fx, pMsg->m_fy);
-  pMsg->m_pDstTarget = pDst;
-  return true;
-}
-
-bool CFWL_NoteDriver::DoMouseEx(CFWL_Message* pMessage,
-                                IFWL_Widget* pMessageForm) {
-  CFWL_WidgetMgr* pWidgetMgr = pMessageForm->GetOwnerApp()->GetWidgetMgr();
-  if (!pWidgetMgr)
-    return false;
-  IFWL_Widget* pTarget = nullptr;
-  if (m_pGrab)
-    pTarget = m_pGrab;
-
-  CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
-  if (!pTarget) {
-    pTarget =
-        pWidgetMgr->GetWidgetAtPoint(pMessageForm, pMsg->m_fx, pMsg->m_fy);
-  }
-  if (pTarget) {
-    if (pMessageForm != pTarget)
-      pMessageForm->TransformTo(pTarget, pMsg->m_fx, pMsg->m_fy);
-  }
-  if (!pTarget)
-    return false;
-
-  pMsg->m_pDstTarget = pTarget;
-  return true;
-}
-
-void CFWL_NoteDriver::MouseSecondary(CFWL_Message* pMessage) {
-  IFWL_Widget* pTarget = pMessage->m_pDstTarget;
-  if (pTarget == m_pHover)
-    return;
-
-  CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
-  if (m_pHover) {
-    CFWL_MsgMouse msLeave;
-    msLeave.m_pDstTarget = m_pHover;
-    msLeave.m_fx = pMsg->m_fx;
-    msLeave.m_fy = pMsg->m_fy;
-    pTarget->TransformTo(m_pHover, msLeave.m_fx, msLeave.m_fy);
-
-    msLeave.m_dwFlags = 0;
-    msLeave.m_dwCmd = FWL_MouseCommand::Leave;
-    DispatchMessage(&msLeave, nullptr);
-  }
-  if (pTarget->GetClassID() == FWL_Type::Form) {
-    m_pHover = nullptr;
-    return;
-  }
-  m_pHover = pTarget;
-
-  CFWL_MsgMouse msHover;
-  msHover.m_pDstTarget = pTarget;
-  msHover.m_fx = pMsg->m_fx;
-  msHover.m_fy = pMsg->m_fy;
-  msHover.m_dwFlags = 0;
-  msHover.m_dwCmd = FWL_MouseCommand::Hover;
-  DispatchMessage(&msHover, nullptr);
-}
-
-bool CFWL_NoteDriver::IsValidMessage(CFWL_Message* pMessage) {
-  for (int32_t i = 0; i < m_noteLoopQueue.GetSize(); i++) {
-    CFWL_NoteLoop* pNoteLoop = m_noteLoopQueue[i];
-    IFWL_Widget* pForm = pNoteLoop->GetForm();
-    if (pForm && (pForm == pMessage->m_pDstTarget))
-      return true;
-  }
-
-  for (int32_t j = 0; j < m_forms.GetSize(); j++) {
-    IFWL_Form* pForm = static_cast<IFWL_Form*>(m_forms[j]);
-    if (pForm == pMessage->m_pDstTarget)
-      return true;
-  }
-  return false;
-}
-
-IFWL_Widget* CFWL_NoteDriver::GetMessageForm(IFWL_Widget* pDstTarget) {
-  int32_t iTrackLoop = m_noteLoopQueue.GetSize();
-  if (iTrackLoop <= 0)
-    return nullptr;
-
-  IFWL_Widget* pMessageForm = nullptr;
-  if (iTrackLoop > 1)
-    pMessageForm = m_noteLoopQueue[iTrackLoop - 1]->GetForm();
-  else if (m_forms.Find(pDstTarget) < 0)
-    pMessageForm = pDstTarget;
-  if (!pMessageForm && pDstTarget) {
-    CFWL_WidgetMgr* pWidgetMgr = pDstTarget->GetOwnerApp()->GetWidgetMgr();
-    if (!pWidgetMgr)
-      return nullptr;
-    pMessageForm = pWidgetMgr->GetSystemFormWidget(pDstTarget);
-  }
-  return pMessageForm;
-}
-
-void CFWL_NoteDriver::ClearEventTargets(bool bRemoveAll) {
-  auto it = m_eventTargets.begin();
-  while (it != m_eventTargets.end()) {
-    auto old = it++;
-    if (old->second && (bRemoveAll || old->second->IsInvalid())) {
-      delete old->second;
-      m_eventTargets.erase(old);
-    }
-  }
-}
-
-CFWL_EventTarget::CFWL_EventTarget(IFWL_Widget* pListener)
-    : m_pListener(pListener), m_bInvalid(false) {}
-
-CFWL_EventTarget::~CFWL_EventTarget() {
-  m_eventSources.RemoveAll();
-}
-
-int32_t CFWL_EventTarget::SetEventSource(IFWL_Widget* pSource,
-                                         uint32_t dwFilter) {
-  if (pSource) {
-    m_eventSources.SetAt(pSource, dwFilter);
-    return m_eventSources.GetCount();
-  }
-  return 1;
-}
-
-bool CFWL_EventTarget::ProcessEvent(CFWL_Event* pEvent) {
-  IFWL_WidgetDelegate* pDelegate = m_pListener->GetDelegate();
-  if (!pDelegate)
-    return false;
-  if (m_eventSources.GetCount() == 0) {
-    pDelegate->OnProcessEvent(pEvent);
-    return true;
-  }
-
-  FX_POSITION pos = m_eventSources.GetStartPosition();
-  while (pos) {
-    IFWL_Widget* pSource = nullptr;
-    uint32_t dwFilter = 0;
-    m_eventSources.GetNextAssoc(pos, (void*&)pSource, dwFilter);
-    if (pSource == pEvent->m_pSrcTarget) {
-      if (IsFilterEvent(pEvent, dwFilter)) {
-        pDelegate->OnProcessEvent(pEvent);
-        return true;
-      }
-    }
-  }
-  return false;
-}
-
-bool CFWL_EventTarget::IsFilterEvent(CFWL_Event* pEvent,
-                                     uint32_t dwFilter) const {
-  if (dwFilter == FWL_EVENT_ALL_MASK)
-    return true;
-
-  switch (pEvent->GetClassID()) {
-    case CFWL_EventType::Mouse:
-      return !!(dwFilter & FWL_EVENT_MOUSE_MASK);
-    case CFWL_EventType::MouseWheel:
-      return !!(dwFilter & FWL_EVENT_MOUSEWHEEL_MASK);
-    case CFWL_EventType::Key:
-      return !!(dwFilter & FWL_EVENT_KEY_MASK);
-    case CFWL_EventType::SetFocus:
-    case CFWL_EventType::KillFocus:
-      return !!(dwFilter & FWL_EVENT_FOCUSCHANGED_MASK);
-    case CFWL_EventType::Close:
-      return !!(dwFilter & FWL_EVENT_CLOSE_MASK);
-    case CFWL_EventType::SizeChanged:
-      return !!(dwFilter & FWL_EVENT_SIZECHANGED_MASK);
-    default:
-      return !!(dwFilter & FWL_EVENT_CONTROL_MASK);
-  }
-}