Return bool rather than bitwise-and for FX_BOOL

Investigate results of:
  git grep -ni 'return [(]*[a-z0-9_]* &[^&]'
  git grep -ni 'BOOL.*= [(]*[a-z0-9_]* &[^&]'

Review-Url: https://codereview.chromium.org/1951653002

4 files changed, 27 insertions, 44 deletions

diff --git a/xfa/fwl/core/fwl_formimp.h b/xfa/fwl/core/fwl_formimp.h
index 4ee3e0ddae..d8bc80522e 100644
--- a/xfa/fwl/core/fwl_formimp.h
+++ b/xfa/fwl/core/fwl_formimp.h
@@ -32,7 +32,7 @@ class CFWL_SysBtn {
     m_dwState = 0;
   }
 
-  FX_BOOL IsDisabled() { return m_dwState & FWL_SYSBUTTONSTATE_Disabled; }
+  bool IsDisabled() { return !!(m_dwState & FWL_SYSBUTTONSTATE_Disabled); }
 
   void SetNormal() { m_dwState &= 0xFFF0; }
   void SetPressed() {
diff --git a/xfa/fwl/core/fwl_noteimp.cpp b/xfa/fwl/core/fwl_noteimp.cpp
index 39afa783c0..41e749fc9a 100644
--- a/xfa/fwl/core/fwl_noteimp.cpp
+++ b/xfa/fwl/core/fwl_noteimp.cpp
@@ -810,47 +810,27 @@ FX_BOOL CFWL_EventTarget::IsFilterEvent(CFWL_Event* pEvent, uint32_t dwFilter) {
   if (dwFilter == FWL_EVENT_ALL_MASK)
     return TRUE;
 
-  FX_BOOL bRet = FALSE;
   switch (pEvent->GetClassID()) {
-    case CFWL_EventType::Mouse: {
-      bRet = dwFilter & FWL_EVENT_MOUSE_MASK;
-      break;
-    }
-    case CFWL_EventType::MouseWheel: {
-      bRet = dwFilter & FWL_EVENT_MOUSEWHEEL_MASK;
-      break;
-    }
-    case CFWL_EventType::Key: {
-      bRet = dwFilter & FWL_EVENT_KEY_MASK;
-      break;
-    }
+    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: {
-      bRet = dwFilter & FWL_EVENT_FOCUSCHANGED_MASK;
-      break;
-    }
-    case CFWL_EventType::Draw: {
-      bRet = dwFilter & FWL_EVENT_DRAW_MASK;
-      break;
-    }
-    case CFWL_EventType::Close: {
-      bRet = dwFilter & FWL_EVENT_CLOSE_MASK;
-      break;
-    }
-    case CFWL_EventType::SizeChanged: {
-      bRet = dwFilter & FWL_EVENT_SIZECHANGED_MASK;
-      break;
-    }
-    case CFWL_EventType::Idle: {
-      bRet = dwFilter & FWL_EVENT_IDLE_MASK;
-      break;
-    }
-    default: {
-      bRet = dwFilter & FWL_EVENT_CONTROL_MASK;
-      break;
-    }
+    case CFWL_EventType::KillFocus:
+      return !!(dwFilter & FWL_EVENT_FOCUSCHANGED_MASK);
+    case CFWL_EventType::Draw:
+      return !!(dwFilter & FWL_EVENT_DRAW_MASK);
+    case CFWL_EventType::Close:
+      return !!(dwFilter & FWL_EVENT_CLOSE_MASK);
+    case CFWL_EventType::SizeChanged:
+      return !!(dwFilter & FWL_EVENT_SIZECHANGED_MASK);
+    case CFWL_EventType::Idle:
+      return !!(dwFilter & FWL_EVENT_IDLE_MASK);
+    default:
+      return !!(dwFilter & FWL_EVENT_CONTROL_MASK);
   }
-  return bRet;
 }
 
 CFWL_ToolTipContainer* CFWL_ToolTipContainer::s_pInstance = NULL;
diff --git a/xfa/fwl/core/fwl_widgetmgrimp.cpp b/xfa/fwl/core/fwl_widgetmgrimp.cpp
index 02b63862e5..1985cbdeaf 100644
--- a/xfa/fwl/core/fwl_widgetmgrimp.cpp
+++ b/xfa/fwl/core/fwl_widgetmgrimp.cpp
@@ -667,12 +667,15 @@ FX_BOOL CFWL_WidgetMgr::IsAbleNative(IFWL_Widget* pWidget) {
           FWL_WGTSTYLE_OverLapper) ||
          (dwStyles & FWL_WGTSTYLE_Popup);
 }
-FX_BOOL CFWL_WidgetMgr::IsThreadEnabled() {
+
+bool CFWL_WidgetMgr::IsThreadEnabled() {
   return !(m_dwCapability & FWL_WGTMGR_DisableThread);
 }
-FX_BOOL CFWL_WidgetMgr::IsFormDisabled() {
-  return m_dwCapability & FWL_WGTMGR_DisableForm;
+
+bool CFWL_WidgetMgr::IsFormDisabled() {
+  return !!(m_dwCapability & FWL_WGTMGR_DisableForm);
 }
+
 FX_BOOL CFWL_WidgetMgr::GetAdapterPopupPos(IFWL_Widget* pWidget,
                                            FX_FLOAT fMinHeight,
                                            FX_FLOAT fMaxHeight,
diff --git a/xfa/fwl/core/fwl_widgetmgrimp.h b/xfa/fwl/core/fwl_widgetmgrimp.h
index 0b4e2bf79d..0fcd057aeb 100644
--- a/xfa/fwl/core/fwl_widgetmgrimp.h
+++ b/xfa/fwl/core/fwl_widgetmgrimp.h
@@ -120,8 +120,8 @@ class CFWL_WidgetMgr : public IFWL_WidgetMgr {
   IFWL_AdapterWidgetMgr* GetAdapterWidgetMgr() { return m_pAdapter; }
   CFWL_WidgetMgrDelegate* GetDelegate() { return m_pDelegate; }
   CFWL_WidgetMgrItem* GetWidgetMgrItem(IFWL_Widget* pWidget);
-  FX_BOOL IsThreadEnabled();
-  FX_BOOL IsFormDisabled();
+  bool IsThreadEnabled();
+  bool IsFormDisabled();
   FX_BOOL GetAdapterPopupPos(IFWL_Widget* pWidget,
                              FX_FLOAT fMinHeight,
                              FX_FLOAT fMaxHeight,