phoneapp/phoneuiview/src/cphonekeycapturecontroller.cpp
branchRCL_3
changeset 62 5266b1f337bd
parent 0 5f000ab63145
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneapp/phoneuiview/src/cphonekeycapturecontroller.cpp	Wed Sep 01 12:30:10 2010 +0100
@@ -0,0 +1,225 @@
+/*
+* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Implementation of CPhoneKeyCaptureController class.
+*
+*/
+
+
+// INCLUDE FILES
+#include <eikenv.h>
+#include <w32std.h>
+#include "cphonekeycapturecontroller.h"
+#include "tphonecmdparamKeycapture.h"
+#include "phoneconstants.h"
+#include "phonelogger.h"
+
+// ================= MEMBER FUNCTIONS =======================
+// C++ default constructor can NOT contain any code, that
+// might leave.
+//
+CPhoneKeyCaptureController::CPhoneKeyCaptureController( CEikonEnv& aEikEnv ): iEikEnv( aEikEnv )
+    {
+    }
+
+// ---------------------------------------------------------
+// CPhoneKeyCaptureController::NewL()
+// Two-phased constructor
+// (other items were commented in a header).
+// ---------------------------------------------------------
+CPhoneKeyCaptureController* CPhoneKeyCaptureController::NewL( CEikonEnv& aEikEnv )
+    {
+    CPhoneKeyCaptureController* self = 
+        new( ELeave ) CPhoneKeyCaptureController( aEikEnv );
+    
+    return self;
+    }
+
+// ---------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------
+// 
+CPhoneKeyCaptureController::~CPhoneKeyCaptureController()
+    {
+    // should we have any captured keys, stop capturing now:
+    TInt capturedKeyCount = iCapturedKeys.Count();
+    for( TInt i = 0; i < capturedKeyCount ; i++ )
+        {
+        StopKeyCapture( iCapturedKeys[i] );
+        }
+
+    iCapturedKeys.Close();
+    }
+
+// ---------------------------------------------------------
+// CPhoneKeyCaptureController::StartCapturingKey
+// Starts capturing a key
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//      
+void CPhoneKeyCaptureController::StartCapturingKey( 
+    TPhoneCommandParam* aCommandParam ) 
+    {
+    __LOGMETHODSTARTEND(EPhoneUIView, "CPhoneKeyCaptureController::StartCapturingKey");
+    TPhoneCmdParamKeyCapture* keyCaptureParam = 
+        static_cast<TPhoneCmdParamKeyCapture*>( aCommandParam );
+
+    TInt32 handle = KErrNotFound;
+    TPhoneKeyCapture keyCapture;
+    
+    RWindowGroup& windowGroup = iEikEnv.RootWin();
+
+    if ( !IsKeyCaptured ( keyCaptureParam->Key() ) )
+        {
+        __PHONELOG1( 
+            EBasic, 
+            EPhoneUIView,
+            "Capture key %d here ", 
+            static_cast<TInt>( keyCaptureParam->Key() ) );
+
+        keyCapture.iKey = keyCaptureParam->Key();
+        keyCapture.iKeyCode = keyCaptureParam->KeyCode();
+        keyCapture.iHandle = 0; // set as initial value
+        keyCapture.iHandleForUpAndDown = 0; // set as initial value
+
+        switch( keyCaptureParam->CaptureType() )
+            {
+            case EPhoneKeyEvent:
+                keyCapture.iType = EPhoneKeyCaptureEvent;
+                keyCapture.iHandle = windowGroup.CaptureKey( 
+                    keyCapture.iKeyCode, 0, 0 );
+                handle = keyCapture.iHandle;
+                break;
+            case EPhoneKeyUpAndDownEvents:
+                keyCapture.iType = EPhoneKeyCaptureUpAndDownEvents;
+                keyCapture.iHandleForUpAndDown = 
+                    windowGroup.CaptureKeyUpAndDowns( 
+                    keyCapture.iKey, 0, 0 );
+                handle = keyCapture.iHandleForUpAndDown;
+                break;
+            default: // EPhoneKeyAllEvents
+                {
+                keyCapture.iType = EPhoneKeyCaptureAllEvents;
+                keyCapture.iHandle = windowGroup.CaptureKey( 
+                    keyCapture.iKeyCode, 0, 0 );
+                if ( keyCapture.iHandle >= 0 )
+                    {
+                    keyCapture.iHandleForUpAndDown = 
+                        windowGroup.CaptureKeyUpAndDowns( 
+                        keyCapture.iKey, 0, 0 );
+
+                    if ( keyCapture.iHandleForUpAndDown < 0 )
+                        {
+                        windowGroup.CancelCaptureKey( keyCapture.iHandle );
+                        }
+
+                    handle = keyCapture.iHandleForUpAndDown;
+                    }   
+                break;
+                }
+            } // switch
+
+        if ( handle >= 0 )
+            {
+            if ( iCapturedKeys.Append( keyCapture ) != KErrNone )
+                {
+                StopKeyCapture( keyCapture );
+                }
+            }
+        }   // if isKeyCaptured
+    }
+
+// ---------------------------------------------------------
+// CPhoneKeyCaptureController::StopCapturingKey
+// Stops capturing a key
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CPhoneKeyCaptureController::StopCapturingKey( 
+    TPhoneCommandParam* aCommandParam ) 
+    {
+    __LOGMETHODSTARTEND(EPhoneUIView, "CPhoneKeyCaptureController::StopCapturingKey");
+    TPhoneCmdParamKeyCapture* keyCaptureParam = 
+        static_cast<TPhoneCmdParamKeyCapture*>( aCommandParam );
+
+    const TInt capturedKeyCount = iCapturedKeys.Count();
+
+    __PHONELOG2( 
+        EBasic, 
+        EPhoneUIView,
+        "UnCapture key %d here (%d keys left)",
+        static_cast<TInt>( keyCaptureParam->Key() ), 
+        static_cast<TInt>( capturedKeyCount ) );
+
+    TBool foundKey = EFalse;
+
+    for( TInt i = 0; ( i < capturedKeyCount ) && !foundKey ; i++ )
+        {
+        if( iCapturedKeys[i].iKey == keyCaptureParam->Key() )
+            {
+            foundKey = ETrue;
+            StopKeyCapture( iCapturedKeys[i] );
+            iCapturedKeys.Remove(i);
+            }
+        }
+    }
+
+// ---------------------------------------------------------
+// CPhoneKeyCaptureController::IsKeyCaptured
+// May be used to ask whether a key has been set to be captured
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//      
+TBool CPhoneKeyCaptureController::IsKeyCaptured( TStdScanCode aKey ) const
+    {
+    const TInt capturedKeyCount = iCapturedKeys.Count();
+    TBool isCaptured = EFalse;
+
+    for( TInt i = 0 ; ( i < capturedKeyCount ) && !isCaptured; i++ )
+        {
+        isCaptured = iCapturedKeys[i].iKey == aKey; 
+        }
+
+    return isCaptured;
+    }
+
+// ---------------------------------------------------------
+// CPhoneKeyCaptureController::StopKeyCapture
+// Stops capturing a key
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//      
+void CPhoneKeyCaptureController::StopKeyCapture( TPhoneKeyCapture aKeyCapture )
+    {
+    RWindowGroup& windowGroup = iEikEnv.RootWin();
+
+    switch ( aKeyCapture.iType )
+        {
+        case EPhoneKeyCaptureEvent:
+            windowGroup.CancelCaptureKey( aKeyCapture.iHandle );
+            break;
+        case EPhoneKeyCaptureUpAndDownEvents:
+            windowGroup.CancelCaptureKeyUpAndDowns( 
+                aKeyCapture.iHandleForUpAndDown );
+            break;
+        default: // EPhoneKeyCaptureAllEvents
+            {
+            windowGroup.CancelCaptureKey( aKeyCapture.iHandle );
+            windowGroup.CancelCaptureKeyUpAndDowns( 
+                aKeyCapture.iHandleForUpAndDown );
+            break;
+            }
+        }
+    }
+
+// end of file