author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 21 Jun 2010 15:32:50 +0300 | |
branch | RCL_3 |
changeset 21 | 4376525cdefb |
parent 14 | 04becd199f91 |
permissions | -rw-r--r-- |
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/******************************************************************************* |
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* Copyright (c) 2005, 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* http://www.eclipse.org/legal/epl-v10.html |
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* |
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* Contributors: |
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* Nokia Corporation - S60 implementation |
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*******************************************************************************/ |
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#ifndef SWTDISPLAY_H |
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#define SWTDISPLAY_H |
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// In emulator debug builds, uncomment the following line to compile eSWT with |
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// memory leak checking enabled. Besides checks for leaked Java objects, this will |
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// cause eSWT to create a separate heap for its native UI thread. In this heap it |
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// will be checked when the Display object is disposed that all the allocated |
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// heap cells have been freed. Failing the check will cause the thread to panic. |
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// Note: Browser widget has problems when this flag is enabled. |
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// Pay attention when using in other files! Include "swtdisplay.h"!!! |
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//#define ESWT_NATIVE_UITHREAD_OWN_HEAP |
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// In emulator debug builds, uncomment the following line to compile eSWT with |
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// checking for situations where Java application is disposing native resources |
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// ( e.g. Images, Fonts ) too soon while they are still being used by the widgets. |
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//#define ESWT_EARLY_DISPOSAL_CHECKING_ENABLED |
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#include <aknapp.h> |
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#include <AknDoc.h> |
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#include <aknappui.h> |
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#include <coreuiappui.h> |
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#include <coreuiavkoneswt.h> |
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#include <coreuiappuichild.h> |
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#include "swtdisplaybase.h" |
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#include "swtclient.h" |
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#include "swteventqueue.h" |
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class CEikonEnv; |
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class CApaWindowGroupName; |
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class CSwtServer; |
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class CSwtDialogBroker; |
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/** |
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* C++ counterpart to the org.eclipse.swt.widgets.Display Java class. |
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* |
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* Additionally to implementing Display's features, this class |
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* also serves as the hub for all communications between the main thread and |
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* the UI thread. Actually, it is it that creates the AppUi's thread. |
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* |
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* If the macro ESWT_OWN_APPUI macro is defined, the AppUi will be |
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* created by the Display ( instead of the launcher ). This must not be used for |
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* release builds as it yields a broken behaviour, but it enables memory leaks |
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* detection by allocating a separate heap for the UI. |
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* |
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* @lib eswt |
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*/ |
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NONSHARABLE_CLASS(CSwtDisplay) |
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: public CBase |
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, public ASwtDisplayBase |
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, public java::ui::CoreAppUiChild |
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{ |
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// Any thread |
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public: |
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static inline CSwtDisplay* CurrentOrNull(); |
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static inline CSwtDisplay& Current(); |
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// Java Ui Thread |
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public: |
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static CSwtDisplay* NewL(JNIEnv& aJniEnv, jobject aPeer, TInt aDisplayParameter); |
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void Dispose(JNIEnv& aJniEnv); |
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void RequestRunDialogL(TSwtPeer aPeer, TInt aDialogType, TInt aStyle, const TDesC& aTitle, |
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const TDesC& aText1 = KNullDesC(), const TDesC& aText2 = KNullDesC(), |
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const TInt aInt1 = 0, const TInt aInt2 = 0, const TInt aInt3 = 0); |
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inline TInt ExecuteInNativeUiThread(const MSwtFunctor& aFunctor); |
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// Native Ui Thread |
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public: |
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void OfferWsEventL(const TSwtWsEvent& aEvent, CCoeControl* aDestination = NULL); |
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void RemoveDialogBroker(CSwtDialogBroker* aBroker); |
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// From java::ui::CoreAppUiChild |
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// Native Ui Thread |
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public: |
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void HandleForegroundEventL(TBool aForeground); |
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void HandleSwitchOnEventL(CCoeControl* aDestination); |
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void HandleApplicationSpecificEventL(TInt aType,const TWsEvent& aEvent); |
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void HandleCommandL(TInt aCommand); |
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void HandleResourceChangeL(TInt aType); |
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TBool HandleWsEventL(const TWsEvent& aEvent, CCoeControl* aDestination); |
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98 |
// From MSwtDisplay |
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99 |
// Any thread |
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100 |
public: |
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101 |
#ifdef _DEBUG |
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102 |
TBool IsCurrentThreadNativeUi() const; |
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103 |
#endif |
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104 |
TSwtPeer JavaPeer(); |
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105 |
|
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106 |
// From MSwtDisplay |
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107 |
// Native UI Thread |
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108 |
public: |
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109 |
void SetNameInTaskListL(const TDesC* aNewName); |
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110 |
void SetUIDInTaskList(TInt aNewUID); |
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111 |
void SetAppVisible(TBool aVisible); |
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112 |
void SetUiReady(TBool aFullScreenUi); |
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113 |
TBool IsUiReady() const; |
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114 |
|
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115 |
// Java Ui Thread |
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116 |
private: |
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117 |
static CSwtDisplay* DoNewL(JNIEnv& aJniEnv, TSwtPeer aPeer, TInt aApplicationUid); |
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118 |
inline CSwtDisplay(TSwtPeer aPeer); |
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119 |
void ConstructInJavaUiThreadL(JNIEnv& aJniEnv); |
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120 |
|
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121 |
// Native Ui Thread |
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122 |
private: |
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123 |
static void DoExecuteInNativeUiThreadL(const MSwtFunctor* aFunctor); |
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static TInt CloseEventDispatchTimerCallback(TAny* aThis); |
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125 |
~CSwtDisplay(); |
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126 |
void ConstructInNativeUiThreadL(); |
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127 |
void DestroyInNativeUiThread(); |
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CSwtDialogBroker* CreateDialogBrokerL(); |
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129 |
void HandleCloseEventDispatchTimerCallbackL(); |
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130 |
void DialogAboutToOpen(); |
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131 |
|
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132 |
// Any thread data |
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133 |
private: |
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134 |
TSwtPeer iPeer; |
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135 |
RThread iNativeUiThread; |
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136 |
|
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137 |
// Java Ui Thread data |
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138 |
private: |
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139 |
RSwtClient iClient; // own |
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140 |
|
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141 |
// Native Ui Thread data |
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142 |
private: |
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143 |
TBool iCloseEventDispatched; |
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CPeriodic* iCloseEventDispatchTimer; // own |
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RPointerArray<CSwtDialogBroker> iDialogBrokers; // own |
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146 |
TBool iUiReady; |
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147 |
JavaVM* iVM; |
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148 |
TBool iDisposing; |
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149 |
}; |
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150 |
|
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151 |
/** |
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* Returns the current Display or NULL if there is none. |
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*/ |
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inline CSwtDisplay* CSwtDisplay::CurrentOrNull() |
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155 |
{ |
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if (java::ui::CoreUiAvkonEswt::isCoreUiCreated()) |
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157 |
{ |
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java::ui::CoreUiAvkonEswt& ui = java::ui::CoreUiAvkonEswt::getInstance(); |
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return ui.getEswtSupport().display(); |
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160 |
} |
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161 |
else |
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162 |
{ |
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163 |
return 0; |
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164 |
} |
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165 |
} |
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166 |
|
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167 |
/** |
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* Returns the current Display. |
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* Can only be called after a Display has been created |
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170 |
*/ |
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inline CSwtDisplay& CSwtDisplay::Current() |
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172 |
{ |
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CSwtDisplay* display = CurrentOrNull(); |
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ASSERT(display); |
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return *display; |
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176 |
} |
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177 |
|
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178 |
/** |
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* Executes a wrapped function in the UI's thread |
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180 |
*/ |
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181 |
inline TInt CSwtDisplay::ExecuteInNativeUiThread(const MSwtFunctor& aFunctor) |
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182 |
{ |
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ASSERT(iClient.Handle()!=0); |
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return iClient.Execute(aFunctor); |
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185 |
} |
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186 |
|
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187 |
/** |
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188 |
* C'tor |
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189 |
*/ |
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inline CSwtDisplay::CSwtDisplay(TSwtPeer aPeer) |
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191 |
: ASwtDisplayBase() |
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, iPeer(aPeer) |
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193 |
{ |
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194 |
} |
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195 |
|
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196 |
#endif // SWTDISPLAY_H |