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-rw-r--r--fpdfsdk/pdfwindow/PWL_Wnd.cpp310
-rw-r--r--fpdfsdk/pdfwindow/PWL_Wnd.h34
-rw-r--r--fpdfsdk/pdfwindow/cpwl_timer.cpp62
-rw-r--r--fpdfsdk/pdfwindow/cpwl_timer.h32
-rw-r--r--fpdfsdk/pdfwindow/cpwl_timer_handler.cpp27
-rw-r--r--fpdfsdk/pdfwindow/cpwl_timer_handler.h32
6 files changed, 269 insertions, 228 deletions
diff --git a/fpdfsdk/pdfwindow/PWL_Wnd.cpp b/fpdfsdk/pdfwindow/PWL_Wnd.cpp
index 1db79b4bc7..151921bc8e 100644
--- a/fpdfsdk/pdfwindow/PWL_Wnd.cpp
+++ b/fpdfsdk/pdfwindow/PWL_Wnd.cpp
@@ -4,21 +4,16 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
+
#include <map>
#include <vector>
#include "fpdfsdk/pdfwindow/PWL_ScrollBar.h"
#include "fpdfsdk/pdfwindow/PWL_Utils.h"
-#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
-static std::map<int32_t, CPWL_Timer*>& GetPWLTimeMap() {
- // Leak the object at shutdown.
- static auto* timeMap = new std::map<int32_t, CPWL_Timer*>;
- return *timeMap;
-}
-
PWL_CREATEPARAM::PWL_CREATEPARAM()
: rcRectWnd(0, 0, 0, 0),
pSystemHandler(nullptr),
@@ -38,68 +33,10 @@ PWL_CREATEPARAM::PWL_CREATEPARAM()
pAttachedData(nullptr),
pParentWnd(nullptr),
pMsgControl(nullptr),
- eCursorType(FXCT_ARROW),
- mtChild(1, 0, 0, 1, 0, 0) {}
+ eCursorType(FXCT_ARROW) {}
PWL_CREATEPARAM::PWL_CREATEPARAM(const PWL_CREATEPARAM& other) = default;
-CPWL_Timer::CPWL_Timer(CPWL_TimerHandler* pAttached,
- CFX_SystemHandler* pSystemHandler)
- : m_nTimerID(0), m_pAttached(pAttached), m_pSystemHandler(pSystemHandler) {
- ASSERT(m_pAttached);
- ASSERT(m_pSystemHandler);
-}
-
-CPWL_Timer::~CPWL_Timer() {
- KillPWLTimer();
-}
-
-int32_t CPWL_Timer::SetPWLTimer(int32_t nElapse) {
- if (m_nTimerID != 0)
- KillPWLTimer();
- m_nTimerID = m_pSystemHandler->SetTimer(nElapse, TimerProc);
-
- GetPWLTimeMap()[m_nTimerID] = this;
- return m_nTimerID;
-}
-
-void CPWL_Timer::KillPWLTimer() {
- if (m_nTimerID == 0)
- return;
-
- m_pSystemHandler->KillTimer(m_nTimerID);
- GetPWLTimeMap().erase(m_nTimerID);
- m_nTimerID = 0;
-}
-
-void CPWL_Timer::TimerProc(int32_t idEvent) {
- auto it = GetPWLTimeMap().find(idEvent);
- if (it == GetPWLTimeMap().end())
- return;
-
- CPWL_Timer* pTimer = it->second;
- if (pTimer->m_pAttached)
- pTimer->m_pAttached->TimerProc();
-}
-
-CPWL_TimerHandler::CPWL_TimerHandler() {}
-
-CPWL_TimerHandler::~CPWL_TimerHandler() {}
-
-void CPWL_TimerHandler::BeginTimer(int32_t nElapse) {
- if (!m_pTimer)
- m_pTimer = pdfium::MakeUnique<CPWL_Timer>(this, GetSystemHandler());
-
- m_pTimer->SetPWLTimer(nElapse);
-}
-
-void CPWL_TimerHandler::EndTimer() {
- if (m_pTimer)
- m_pTimer->KillPWLTimer();
-}
-
-void CPWL_TimerHandler::TimerProc() {}
-
class CPWL_MsgControl {
friend class CPWL_Wnd;
@@ -186,8 +123,7 @@ class CPWL_MsgControl {
};
CPWL_Wnd::CPWL_Wnd()
- : m_pVScrollBar(nullptr),
- m_rcWindow(),
+ : m_rcWindow(),
m_rcClip(),
m_bCreated(false),
m_bVisible(false),
@@ -203,35 +139,31 @@ CFX_ByteString CPWL_Wnd::GetClassName() const {
}
void CPWL_Wnd::Create(const PWL_CREATEPARAM& cp) {
- if (!IsValid()) {
- m_sPrivateParam = cp;
-
- OnCreate(m_sPrivateParam);
-
- m_sPrivateParam.rcRectWnd.Normalize();
- m_rcWindow = m_sPrivateParam.rcRectWnd;
- m_rcClip = CPWL_Utils::InflateRect(m_rcWindow, 1.0f);
+ if (IsValid())
+ return;
- CreateMsgControl();
+ m_sPrivateParam = cp;
+ OnCreate(m_sPrivateParam);
- if (m_sPrivateParam.pParentWnd)
- m_sPrivateParam.pParentWnd->OnNotify(this, PNM_ADDCHILD);
+ m_sPrivateParam.rcRectWnd.Normalize();
+ m_rcWindow = m_sPrivateParam.rcRectWnd;
+ m_rcClip = CPWL_Utils::InflateRect(m_rcWindow, 1.0f);
+ CreateMsgControl();
- PWL_CREATEPARAM ccp = m_sPrivateParam;
-
- ccp.dwFlags &= 0xFFFF0000L; // remove sub styles
- ccp.mtChild = CFX_Matrix(1, 0, 0, 1, 0, 0);
+ if (m_sPrivateParam.pParentWnd)
+ m_sPrivateParam.pParentWnd->OnNotify(this, PNM_ADDCHILD);
- CreateScrollBar(ccp);
- CreateChildWnd(ccp);
+ PWL_CREATEPARAM ccp = m_sPrivateParam;
- m_bVisible = HasFlag(PWS_VISIBLE);
+ ccp.dwFlags &= 0xFFFF0000L; // remove sub styles
+ CreateScrollBar(ccp);
+ CreateChildWnd(ccp);
- OnCreated();
+ m_bVisible = HasFlag(PWS_VISIBLE);
+ OnCreated();
- RePosChildWnd();
- m_bCreated = true;
- }
+ RePosChildWnd();
+ m_bCreated = true;
}
void CPWL_Wnd::OnCreate(PWL_CREATEPARAM& cp) {}
@@ -273,24 +205,23 @@ void CPWL_Wnd::Destroy() {
}
void CPWL_Wnd::Move(const CFX_FloatRect& rcNew, bool bReset, bool bRefresh) {
- if (IsValid()) {
- CFX_FloatRect rcOld = GetWindowRect();
+ if (!IsValid())
+ return;
- m_rcWindow = rcNew;
- m_rcWindow.Normalize();
+ CFX_FloatRect rcOld = GetWindowRect();
+ m_rcWindow = rcNew;
+ m_rcWindow.Normalize();
+ if (bReset) {
if (rcOld.left != rcNew.left || rcOld.right != rcNew.right ||
rcOld.top != rcNew.top || rcOld.bottom != rcNew.bottom) {
- if (bReset) {
- RePosChildWnd();
- }
+ RePosChildWnd();
}
- if (bRefresh) {
- InvalidateRectMove(rcOld, rcNew);
- }
-
- m_sPrivateParam.rcRectWnd = m_rcWindow;
}
+ if (bRefresh)
+ InvalidateRectMove(rcOld, rcNew);
+
+ m_sPrivateParam.rcRectWnd = m_rcWindow;
}
void CPWL_Wnd::InvalidateRectMove(const CFX_FloatRect& rcOld,
@@ -311,22 +242,23 @@ void CPWL_Wnd::GetAppearanceStream(CFX_ByteTextBuf& sAppStream) {
// if don't set,Get default apperance stream
void CPWL_Wnd::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
CFX_FloatRect rectWnd = GetWindowRect();
- if (!rectWnd.IsEmpty()) {
- CFX_ByteTextBuf sThis;
-
- if (HasFlag(PWS_BACKGROUND))
- sThis << CPWL_Utils::GetRectFillAppStream(rectWnd, GetBackgroundColor());
-
- if (HasFlag(PWS_BORDER)) {
- sThis << CPWL_Utils::GetBorderAppStream(
- rectWnd, (float)GetBorderWidth(), GetBorderColor(),
- GetBorderLeftTopColor(GetBorderStyle()),
- GetBorderRightBottomColor(GetBorderStyle()), GetBorderStyle(),
- GetBorderDash());
- }
+ if (rectWnd.IsEmpty())
+ return;
- sAppStream << sThis;
+ CFX_ByteTextBuf sThis;
+
+ if (HasFlag(PWS_BACKGROUND))
+ sThis << CPWL_Utils::GetRectFillAppStream(rectWnd, GetBackgroundColor());
+
+ if (HasFlag(PWS_BORDER)) {
+ sThis << CPWL_Utils::GetBorderAppStream(
+ rectWnd, (float)GetBorderWidth(), GetBorderColor(),
+ GetBorderLeftTopColor(GetBorderStyle()),
+ GetBorderRightBottomColor(GetBorderStyle()), GetBorderStyle(),
+ GetBorderDash());
}
+
+ sAppStream << sThis;
}
void CPWL_Wnd::GetChildAppearanceStream(CFX_ByteTextBuf& sAppStream) {
@@ -347,20 +279,22 @@ void CPWL_Wnd::DrawAppearance(CFX_RenderDevice* pDevice,
void CPWL_Wnd::DrawThisAppearance(CFX_RenderDevice* pDevice,
CFX_Matrix* pUser2Device) {
CFX_FloatRect rectWnd = GetWindowRect();
- if (!rectWnd.IsEmpty()) {
- if (HasFlag(PWS_BACKGROUND)) {
- CFX_FloatRect rcClient = CPWL_Utils::DeflateRect(
- rectWnd, (float)(GetBorderWidth() + GetInnerBorderWidth()));
- CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcClient,
- GetBackgroundColor(), GetTransparency());
- }
+ if (rectWnd.IsEmpty())
+ return;
- if (HasFlag(PWS_BORDER))
- CPWL_Utils::DrawBorder(pDevice, pUser2Device, rectWnd,
- (float)GetBorderWidth(), GetBorderColor(),
- GetBorderLeftTopColor(GetBorderStyle()),
- GetBorderRightBottomColor(GetBorderStyle()),
- GetBorderStyle(), GetTransparency());
+ if (HasFlag(PWS_BACKGROUND)) {
+ CFX_FloatRect rcClient = CPWL_Utils::DeflateRect(
+ rectWnd, (float)(GetBorderWidth() + GetInnerBorderWidth()));
+ CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcClient,
+ GetBackgroundColor(), GetTransparency());
+ }
+
+ if (HasFlag(PWS_BORDER)) {
+ CPWL_Utils::DrawBorder(pDevice, pUser2Device, rectWnd,
+ (float)GetBorderWidth(), GetBorderColor(),
+ GetBorderLeftTopColor(GetBorderStyle()),
+ GetBorderRightBottomColor(GetBorderStyle()),
+ GetBorderStyle(), GetTransparency());
}
}
@@ -381,27 +315,28 @@ void CPWL_Wnd::DrawChildAppearance(CFX_RenderDevice* pDevice,
}
void CPWL_Wnd::InvalidateRect(CFX_FloatRect* pRect) {
- if (IsValid()) {
- CFX_FloatRect rcRefresh = pRect ? *pRect : GetWindowRect();
+ if (!IsValid())
+ return;
- if (!HasFlag(PWS_NOREFRESHCLIP)) {
- CFX_FloatRect rcClip = GetClipRect();
- if (!rcClip.IsEmpty()) {
- rcRefresh.Intersect(rcClip);
- }
+ CFX_FloatRect rcRefresh = pRect ? *pRect : GetWindowRect();
+
+ if (!HasFlag(PWS_NOREFRESHCLIP)) {
+ CFX_FloatRect rcClip = GetClipRect();
+ if (!rcClip.IsEmpty()) {
+ rcRefresh.Intersect(rcClip);
}
+ }
- FX_RECT rcWin = PWLtoWnd(rcRefresh);
- rcWin.left -= PWL_INVALIDATE_INFLATE;
- rcWin.top -= PWL_INVALIDATE_INFLATE;
- rcWin.right += PWL_INVALIDATE_INFLATE;
- rcWin.bottom += PWL_INVALIDATE_INFLATE;
+ FX_RECT rcWin = PWLtoWnd(rcRefresh);
+ rcWin.left -= PWL_INVALIDATE_INFLATE;
+ rcWin.top -= PWL_INVALIDATE_INFLATE;
+ rcWin.right += PWL_INVALIDATE_INFLATE;
+ rcWin.bottom += PWL_INVALIDATE_INFLATE;
- if (CFX_SystemHandler* pSH = GetSystemHandler()) {
- if (CPDFSDK_Widget* widget = static_cast<CPDFSDK_Widget*>(
- m_sPrivateParam.pAttachedWidget.Get())) {
- pSH->InvalidateRect(widget, rcWin);
- }
+ if (CFX_SystemHandler* pSH = GetSystemHandler()) {
+ if (CPDFSDK_Widget* widget = static_cast<CPDFSDK_Widget*>(
+ m_sPrivateParam.pAttachedWidget.Get())) {
+ pSH->InvalidateRect(widget, rcWin);
}
}
}
@@ -568,10 +503,7 @@ void CPWL_Wnd::SetBorderStyle(BorderStyle nBorderStyle) {
}
int32_t CPWL_Wnd::GetBorderWidth() const {
- if (HasFlag(PWS_BORDER))
- return m_sPrivateParam.dwBorderWidth;
-
- return 0;
+ return HasFlag(PWS_BORDER) ? m_sPrivateParam.dwBorderWidth : 0;
}
int32_t CPWL_Wnd::GetInnerBorderWidth() const {
@@ -579,10 +511,7 @@ int32_t CPWL_Wnd::GetInnerBorderWidth() const {
}
CPWL_Color CPWL_Wnd::GetBorderColor() const {
- if (HasFlag(PWS_BORDER))
- return m_sPrivateParam.sBorderColor;
-
- return CPWL_Color();
+ return HasFlag(PWS_BORDER) ? m_sPrivateParam.sBorderColor : CPWL_Color();
}
const CPWL_Dash& CPWL_Wnd::GetBorderDash() const {
@@ -602,21 +531,22 @@ void CPWL_Wnd::CreateScrollBar(const PWL_CREATEPARAM& cp) {
}
void CPWL_Wnd::CreateVScrollBar(const PWL_CREATEPARAM& cp) {
- if (!m_pVScrollBar && HasFlag(PWS_VSCROLL)) {
- PWL_CREATEPARAM scp = cp;
+ if (m_pVScrollBar || !HasFlag(PWS_VSCROLL))
+ return;
- // flags
- scp.dwFlags =
- PWS_CHILD | PWS_BACKGROUND | PWS_AUTOTRANSPARENT | PWS_NOREFRESHCLIP;
+ PWL_CREATEPARAM scp = cp;
- scp.pParentWnd = this;
- scp.sBackgroundColor = PWL_DEFAULT_WHITECOLOR;
- scp.eCursorType = FXCT_ARROW;
- scp.nTransparency = PWL_SCROLLBAR_TRANSPARENCY;
+ // flags
+ scp.dwFlags =
+ PWS_CHILD | PWS_BACKGROUND | PWS_AUTOTRANSPARENT | PWS_NOREFRESHCLIP;
- m_pVScrollBar = new CPWL_ScrollBar(SBT_VSCROLL);
- m_pVScrollBar->Create(scp);
- }
+ scp.pParentWnd = this;
+ scp.sBackgroundColor = PWL_DEFAULT_WHITECOLOR;
+ scp.eCursorType = FXCT_ARROW;
+ scp.nTransparency = PWL_SCROLLBAR_TRANSPARENCY;
+
+ m_pVScrollBar = new CPWL_ScrollBar(SBT_VSCROLL);
+ m_pVScrollBar->Create(scp);
}
void CPWL_Wnd::SetCapture() {
@@ -661,10 +591,8 @@ bool CPWL_Wnd::ClientHitTest(const CFX_PointF& point) const {
}
const CPWL_Wnd* CPWL_Wnd::GetRootWnd() const {
- if (m_sPrivateParam.pParentWnd)
- return m_sPrivateParam.pParentWnd->GetRootWnd();
-
- return this;
+ auto* pParent = m_sPrivateParam.pParentWnd;
+ return pParent ? pParent->GetRootWnd() : this;
}
void CPWL_Wnd::SetVisible(bool bVisible) {
@@ -696,17 +624,16 @@ bool CPWL_Wnd::IsReadOnly() const {
}
void CPWL_Wnd::RePosChildWnd() {
- CFX_FloatRect rcContent = CPWL_Utils::DeflateRect(
- GetWindowRect(), (float)(GetBorderWidth() + GetInnerBorderWidth()));
-
CPWL_ScrollBar* pVSB = GetVScrollBar();
+ if (!pVSB)
+ return;
+ CFX_FloatRect rcContent = CPWL_Utils::DeflateRect(
+ GetWindowRect(), (float)(GetBorderWidth() + GetInnerBorderWidth()));
CFX_FloatRect rcVScroll =
CFX_FloatRect(rcContent.right - PWL_SCROLLBAR_WIDTH, rcContent.bottom,
rcContent.right - 1.0f, rcContent.top);
-
- if (pVSB)
- pVSB->Move(rcVScroll, true, false);
+ pVSB->Move(rcVScroll, true, false);
}
void CPWL_Wnd::CreateChildWnd(const PWL_CREATEPARAM& cp) {}
@@ -726,9 +653,9 @@ void CPWL_Wnd::CreateMsgControl() {
}
void CPWL_Wnd::DestroyMsgControl() {
- if (CPWL_MsgControl* pMsgControl = GetMsgControl())
- if (pMsgControl->IsWndCreated(this))
- delete pMsgControl;
+ CPWL_MsgControl* pMsgControl = GetMsgControl();
+ if (pMsgControl && pMsgControl->IsWndCreated(this))
+ delete pMsgControl;
}
CPWL_MsgControl* CPWL_Wnd::GetMsgControl() const {
@@ -740,24 +667,18 @@ bool CPWL_Wnd::IsCaptureMouse() const {
}
bool CPWL_Wnd::IsWndCaptureMouse(const CPWL_Wnd* pWnd) const {
- if (CPWL_MsgControl* pCtrl = GetMsgControl())
- return pCtrl->IsWndCaptureMouse(pWnd);
-
- return false;
+ CPWL_MsgControl* pCtrl = GetMsgControl();
+ return pCtrl ? pCtrl->IsWndCaptureMouse(pWnd) : false;
}
bool CPWL_Wnd::IsWndCaptureKeyboard(const CPWL_Wnd* pWnd) const {
- if (CPWL_MsgControl* pCtrl = GetMsgControl())
- return pCtrl->IsWndCaptureKeyboard(pWnd);
-
- return false;
+ CPWL_MsgControl* pCtrl = GetMsgControl();
+ return pCtrl ? pCtrl->IsWndCaptureKeyboard(pWnd) : false;
}
bool CPWL_Wnd::IsFocused() const {
- if (CPWL_MsgControl* pCtrl = GetMsgControl())
- return pCtrl->IsMainCaptureKeyboard(this);
-
- return false;
+ CPWL_MsgControl* pCtrl = GetMsgControl();
+ return pCtrl ? pCtrl->IsMainCaptureKeyboard(this) : false;
}
CFX_FloatRect CPWL_Wnd::GetFocusRect() const {
@@ -858,7 +779,7 @@ CFX_FloatRect CPWL_Wnd::ParentToChild(const CFX_FloatRect& rect) const {
}
CFX_Matrix CPWL_Wnd::GetChildToRoot() const {
- CFX_Matrix mt(1, 0, 0, 1, 0, 0);
+ CFX_Matrix mt;
if (HasFlag(PWS_CHILD)) {
const CPWL_Wnd* pParent = this;
while (pParent) {
@@ -870,10 +791,7 @@ CFX_Matrix CPWL_Wnd::GetChildToRoot() const {
}
CFX_Matrix CPWL_Wnd::GetChildMatrix() const {
- if (HasFlag(PWS_CHILD))
- return m_sPrivateParam.mtChild;
-
- return CFX_Matrix(1, 0, 0, 1, 0, 0);
+ return HasFlag(PWS_CHILD) ? m_sPrivateParam.mtChild : CFX_Matrix();
}
void CPWL_Wnd::SetChildMatrix(const CFX_Matrix& mt) {
diff --git a/fpdfsdk/pdfwindow/PWL_Wnd.h b/fpdfsdk/pdfwindow/PWL_Wnd.h
index e3b79179c9..d9d2f8ed66 100644
--- a/fpdfsdk/pdfwindow/PWL_Wnd.h
+++ b/fpdfsdk/pdfwindow/PWL_Wnd.h
@@ -14,14 +14,13 @@
#include "core/fxcrt/cfx_observable.h"
#include "core/fxcrt/cfx_unowned_ptr.h"
#include "core/fxcrt/fx_basic.h"
-#include "fpdfsdk/cfx_systemhandler.h"
#include "fpdfsdk/cpdfsdk_widget.h"
#include "fpdfsdk/pdfwindow/cpwl_color.h"
+#include "fpdfsdk/pdfwindow/cpwl_timer.h"
+#include "fpdfsdk/pdfwindow/cpwl_timer_handler.h"
class CPWL_MsgControl;
class CPWL_ScrollBar;
-class CPWL_Timer;
-class CPWL_TimerHandler;
class CPWL_Wnd;
class CFX_SystemHandler;
class IPVT_FontMap;
@@ -203,35 +202,6 @@ struct PWL_CREATEPARAM {
CFX_Matrix mtChild; // ignore
};
-class CPWL_Timer {
- public:
- CPWL_Timer(CPWL_TimerHandler* pAttached, CFX_SystemHandler* pSystemHandler);
- virtual ~CPWL_Timer();
-
- int32_t SetPWLTimer(int32_t nElapse);
- void KillPWLTimer();
- static void TimerProc(int32_t idEvent);
-
- private:
- int32_t m_nTimerID;
- CFX_UnownedPtr<CPWL_TimerHandler> m_pAttached;
- CFX_UnownedPtr<CFX_SystemHandler> m_pSystemHandler;
-};
-
-class CPWL_TimerHandler {
- public:
- CPWL_TimerHandler();
- virtual ~CPWL_TimerHandler();
-
- void BeginTimer(int32_t nElapse);
- void EndTimer();
- virtual void TimerProc();
- virtual CFX_SystemHandler* GetSystemHandler() const = 0;
-
- private:
- std::unique_ptr<CPWL_Timer> m_pTimer;
-};
-
class CPWL_Wnd : public CPWL_TimerHandler {
public:
CPWL_Wnd();
diff --git a/fpdfsdk/pdfwindow/cpwl_timer.cpp b/fpdfsdk/pdfwindow/cpwl_timer.cpp
new file mode 100644
index 0000000000..03b183821f
--- /dev/null
+++ b/fpdfsdk/pdfwindow/cpwl_timer.cpp
@@ -0,0 +1,62 @@
+// Copyright 2017 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 "fpdfsdk/pdfwindow/cpwl_timer.h"
+
+#include <map>
+
+#include "fpdfsdk/cfx_systemhandler.h"
+#include "fpdfsdk/pdfwindow/cpwl_timer_handler.h"
+
+namespace {
+
+std::map<int32_t, CPWL_Timer*>& GetPWLTimeMap() {
+ // Leak the object at shutdown.
+ static auto* timeMap = new std::map<int32_t, CPWL_Timer*>;
+ return *timeMap;
+}
+
+} // namespace
+
+CPWL_Timer::CPWL_Timer(CPWL_TimerHandler* pAttached,
+ CFX_SystemHandler* pSystemHandler)
+ : m_nTimerID(0), m_pAttached(pAttached), m_pSystemHandler(pSystemHandler) {
+ ASSERT(m_pAttached);
+ ASSERT(m_pSystemHandler);
+}
+
+CPWL_Timer::~CPWL_Timer() {
+ KillPWLTimer();
+}
+
+int32_t CPWL_Timer::SetPWLTimer(int32_t nElapse) {
+ if (m_nTimerID != 0)
+ KillPWLTimer();
+ m_nTimerID = m_pSystemHandler->SetTimer(nElapse, TimerProc);
+
+ GetPWLTimeMap()[m_nTimerID] = this;
+ return m_nTimerID;
+}
+
+void CPWL_Timer::KillPWLTimer() {
+ if (m_nTimerID == 0)
+ return;
+
+ m_pSystemHandler->KillTimer(m_nTimerID);
+ GetPWLTimeMap().erase(m_nTimerID);
+ m_nTimerID = 0;
+}
+
+// static
+void CPWL_Timer::TimerProc(int32_t idEvent) {
+ auto it = GetPWLTimeMap().find(idEvent);
+ if (it == GetPWLTimeMap().end())
+ return;
+
+ CPWL_Timer* pTimer = it->second;
+ if (pTimer->m_pAttached)
+ pTimer->m_pAttached->TimerProc();
+}
diff --git a/fpdfsdk/pdfwindow/cpwl_timer.h b/fpdfsdk/pdfwindow/cpwl_timer.h
new file mode 100644
index 0000000000..32a68fcbc2
--- /dev/null
+++ b/fpdfsdk/pdfwindow/cpwl_timer.h
@@ -0,0 +1,32 @@
+// Copyright 2017 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
+
+#ifndef FPDFSDK_PDFWINDOW_CPWL_TIMER_H_
+#define FPDFSDK_PDFWINDOW_CPWL_TIMER_H_
+
+#include "core/fxcrt/cfx_unowned_ptr.h"
+#include "core/fxcrt/fx_basic.h"
+
+class CFX_SystemHandler;
+class CPWL_TimerHandler;
+
+class CPWL_Timer {
+ public:
+ CPWL_Timer(CPWL_TimerHandler* pAttached, CFX_SystemHandler* pSystemHandler);
+ virtual ~CPWL_Timer();
+
+ static void TimerProc(int32_t idEvent);
+
+ int32_t SetPWLTimer(int32_t nElapse);
+ void KillPWLTimer();
+
+ private:
+ int32_t m_nTimerID;
+ CFX_UnownedPtr<CPWL_TimerHandler> m_pAttached;
+ CFX_UnownedPtr<CFX_SystemHandler> m_pSystemHandler;
+};
+
+#endif // FPDFSDK_PDFWINDOW_CPWL_TIMER_H_
diff --git a/fpdfsdk/pdfwindow/cpwl_timer_handler.cpp b/fpdfsdk/pdfwindow/cpwl_timer_handler.cpp
new file mode 100644
index 0000000000..3edaa8d462
--- /dev/null
+++ b/fpdfsdk/pdfwindow/cpwl_timer_handler.cpp
@@ -0,0 +1,27 @@
+// Copyright 2017 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 "fpdfsdk/pdfwindow/cpwl_timer_handler.h"
+
+#include "fpdfsdk/pdfwindow/cpwl_timer.h"
+#include "third_party/base/ptr_util.h"
+
+CPWL_TimerHandler::CPWL_TimerHandler() {}
+
+CPWL_TimerHandler::~CPWL_TimerHandler() {}
+
+void CPWL_TimerHandler::BeginTimer(int32_t nElapse) {
+ if (!m_pTimer)
+ m_pTimer = pdfium::MakeUnique<CPWL_Timer>(this, GetSystemHandler());
+ m_pTimer->SetPWLTimer(nElapse);
+}
+
+void CPWL_TimerHandler::EndTimer() {
+ if (m_pTimer)
+ m_pTimer->KillPWLTimer();
+}
+
+void CPWL_TimerHandler::TimerProc() {}
diff --git a/fpdfsdk/pdfwindow/cpwl_timer_handler.h b/fpdfsdk/pdfwindow/cpwl_timer_handler.h
new file mode 100644
index 0000000000..f6ffd44996
--- /dev/null
+++ b/fpdfsdk/pdfwindow/cpwl_timer_handler.h
@@ -0,0 +1,32 @@
+// Copyright 2017 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
+
+#ifndef FPDFSDK_PDFWINDOW_CPWL_TIMER_HANDLER_H_
+#define FPDFSDK_PDFWINDOW_CPWL_TIMER_HANDLER_H_
+
+#include <memory>
+
+#include "core/fxcrt/fx_basic.h"
+
+class CFX_SystemHandler;
+class CPWL_Timer;
+
+class CPWL_TimerHandler {
+ public:
+ CPWL_TimerHandler();
+ virtual ~CPWL_TimerHandler();
+
+ virtual void TimerProc();
+ virtual CFX_SystemHandler* GetSystemHandler() const = 0;
+
+ void BeginTimer(int32_t nElapse);
+ void EndTimer();
+
+ private:
+ std::unique_ptr<CPWL_Timer> m_pTimer;
+};
+
+#endif // FPDFSDK_PDFWINDOW_CPWL_TIMER_HANDLER_H_