| // Copyright 2016 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/cfwl_eventtarget.h" |
| |
| #include "xfa/fwl/core/ifwl_widget.h" |
| #include "xfa/fwl/core/ifwl_widgetdelegate.h" |
| |
| 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); |
| } |
| } |