From 2d5a0e173f3bb8335cf302f1194305c2f9e65bed Mon Sep 17 00:00:00 2001
From: Lei Zhang <thestig@chromium.org>
Date: Mon, 5 Oct 2015 17:00:03 -0700
Subject: Merge to XFA: CJS_Timer should observe CJS_Runtime destruction.
Also remove dead CJS_EmbedObj::{Begin,End}Timer code.
BUG=539107
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1384883002 .
(cherry picked from commit 794c9b67d3d519342aa7e15052766f7d4a99f551)
Review URL: https://codereview.chromium.org/1386053002 .
---
fpdfsdk/include/javascript/JS_Object.h | 63 ++++++++++++---------------------
fpdfsdk/include/javascript/JS_Runtime.h | 12 +++++++
2 files changed, 35 insertions(+), 40 deletions(-)
(limited to 'fpdfsdk/include/javascript')
diff --git a/fpdfsdk/include/javascript/JS_Object.h b/fpdfsdk/include/javascript/JS_Object.h
index c7f92ac61d..337da7ba20 100644
--- a/fpdfsdk/include/javascript/JS_Object.h
+++ b/fpdfsdk/include/javascript/JS_Object.h
@@ -15,11 +15,11 @@
#include "../fsdk_mgr.h" // For CPDFDoc_Environment
#include "../fx_systemhandler.h" // For IFX_SystemHandler
#include "../jsapi/fxjs_v8.h"
+#include "JS_Runtime.h"
class CPDFSDK_PageView;
class CJS_Context;
class CJS_Object;
-class CJS_Runtime;
class CJS_Timer;
class CJS_EmbedObj {
@@ -28,8 +28,6 @@ class CJS_EmbedObj {
virtual ~CJS_EmbedObj();
virtual void TimerProc(CJS_Timer* pTimer) {}
- CJS_Timer* BeginTimer(CPDFDoc_Environment* pApp, FX_UINT nElapse);
- void EndTimer(CJS_Timer* pTimer);
CJS_Object* GetJSObject() const { return m_pJSObject; }
@@ -83,38 +81,22 @@ class CJS_Object {
v8::Isolate* m_pIsolate;
};
-class CJS_Timer {
+class CJS_Timer : public CJS_Runtime::Observer {
public:
- CJS_Timer(CJS_EmbedObj* pObj, CPDFDoc_Environment* pApp)
- : m_nTimerID(0),
- m_pEmbedObj(pObj),
- m_bProcessing(FALSE),
- m_dwStartTime(0),
- m_dwTimeOut(0),
- m_dwElapse(0),
- m_pRuntime(NULL),
- m_nType(0),
- m_pApp(pApp) {}
-
- virtual ~CJS_Timer() { KillJSTimer(); }
+ CJS_Timer(CJS_EmbedObj* pObj,
+ CPDFDoc_Environment* pApp,
+ CJS_Runtime* pRuntime,
+ int nType,
+ const CFX_WideString& script,
+ FX_DWORD dwElapse,
+ FX_DWORD dwTimeOut);
+ ~CJS_Timer() override;
- public:
- FX_UINT SetJSTimer(FX_UINT nElapse);
void KillJSTimer();
- void SetType(int nType) { m_nType = nType; }
int GetType() const { return m_nType; }
-
- void SetStartTime(FX_DWORD dwStartTime) { m_dwStartTime = dwStartTime; }
- FX_DWORD GetStartTime() const { return m_dwStartTime; }
-
- void SetTimeOut(FX_DWORD dwTimeOut) { m_dwTimeOut = dwTimeOut; }
FX_DWORD GetTimeOut() const { return m_dwTimeOut; }
-
- void SetRuntime(CJS_Runtime* pRuntime) { m_pRuntime = pRuntime; }
- CJS_Runtime* GetRuntime() const { return m_pRuntime; }
-
- void SetJScript(const CFX_WideString& script) { m_swJScript = script; }
+ CJS_Runtime* GetRuntime() const { return m_bValid ? m_pRuntime : nullptr; }
CFX_WideString GetJScript() const { return m_swJScript; }
static void TimerProc(int idEvent);
@@ -123,19 +105,20 @@ class CJS_Timer {
using TimerMap = std::map<FX_UINT, CJS_Timer*>;
static TimerMap* GetGlobalTimerMap();
- FX_UINT m_nTimerID;
- CJS_EmbedObj* m_pEmbedObj;
- FX_BOOL m_bProcessing;
+ // CJS_Runtime::Observer
+ void OnDestroyed() override;
+
+ FX_DWORD m_nTimerID;
+ CJS_EmbedObj* const m_pEmbedObj;
+ bool m_bProcessing;
+ bool m_bValid;
// data
- FX_DWORD m_dwStartTime;
- FX_DWORD m_dwTimeOut;
- FX_DWORD m_dwElapse;
- CJS_Runtime* m_pRuntime;
- CFX_WideString m_swJScript;
- int m_nType; // 0:Interval; 1:TimeOut
-
- CPDFDoc_Environment* m_pApp;
+ const int m_nType; // 0:Interval; 1:TimeOut
+ const FX_DWORD m_dwTimeOut;
+ const CFX_WideString m_swJScript;
+ CJS_Runtime* const m_pRuntime;
+ CPDFDoc_Environment* const m_pApp;
};
#endif // FPDFSDK_INCLUDE_JAVASCRIPT_JS_OBJECT_H_
diff --git a/fpdfsdk/include/javascript/JS_Runtime.h b/fpdfsdk/include/javascript/JS_Runtime.h
index 042bba9dcb..578da2e092 100644
--- a/fpdfsdk/include/javascript/JS_Runtime.h
+++ b/fpdfsdk/include/javascript/JS_Runtime.h
@@ -20,6 +20,14 @@ class CJS_Context;
class CJS_Runtime : public IFXJS_Runtime {
public:
+ class Observer {
+ public:
+ virtual void OnDestroyed() = 0;
+
+ protected:
+ virtual ~Observer() {}
+ };
+
using FieldEvent = std::pair<CFX_WideString, JS_EVENT_T>;
explicit CJS_Runtime(CPDFDoc_Environment* pApp);
@@ -50,6 +58,9 @@ class CJS_Runtime : public IFXJS_Runtime {
virtual FX_BOOL SetHValueByName(const CFX_ByteStringC& utf8Name,
FXJSE_HVALUE hValue);
+ void AddObserver(Observer* observer);
+ void RemoveObserver(Observer* observer);
+
private:
void DefineJSObjects();
@@ -62,6 +73,7 @@ class CJS_Runtime : public IFXJS_Runtime {
bool m_isolateManaged;
nonstd::unique_ptr<FXJS_ArrayBufferAllocator> m_pArrayBufferAllocator;
v8::Global<v8::Context> m_context;
+ std::set<Observer*> m_observers;
};
#endif // FPDFSDK_INCLUDE_JAVASCRIPT_JS_RUNTIME_H_
--
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