power_save_display_mode_stub/src/power_save_display_mode.cpp
changeset 0 0ce1b5ce9557
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/power_save_display_mode_stub/src/power_save_display_mode.cpp	Thu Jan 14 07:14:53 2010 +0200
@@ -0,0 +1,214 @@
+/*
+* 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: 
+*     Defines an API used by Series 60 to access the power save display mode
+*     features.
+*      
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "power_save_display_mode.h"
+#include <e32std.h>
+
+// CONSTANTS
+// Stub uses a constant value for power save size 
+const TInt KMaxPowerSaveLinesStub = 50;
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+/**
+ * @see power_save_display_mode.h
+ */
+CPowerSaveDisplayMode::CPowerSaveDisplayMode() :
+    CBase(),
+    iDisplayDriver(NULL)
+    {
+    }
+
+
+/**
+ * @see power_save_display_mode.h
+ */
+EXPORT_C CPowerSaveDisplayMode* CPowerSaveDisplayMode::NewL(TInt aDisplayNumber)
+    {
+    CPowerSaveDisplayMode* result = new(ELeave) CPowerSaveDisplayMode;
+
+    CleanupStack::PushL(result);
+    result->ConstructL(aDisplayNumber);
+    CleanupStack::Pop();
+
+    return result;
+    }
+
+
+/**
+ * @see power_save_display_mode.h
+ */
+void CPowerSaveDisplayMode::ConstructL(TInt /* aDisplayNumber */)
+    {
+    /*
+     * ADAPTATION IMPLEMENTATION NEEDED
+     *
+     * Create and initialize all the member variables that are needed
+     * in order to complete the tasks assigned to this class here.
+     * Note that this function may leave.
+     */
+    }
+
+    
+/**
+ * @see power_save_display_mode.h
+ */
+EXPORT_C CPowerSaveDisplayMode::~CPowerSaveDisplayMode()
+    {
+    /*
+     * ADAPTATION IMPLEMENTATION NEEDED
+     *
+     *  Destroy all member variables that have been created by
+     *  ConstructL(). Close open connections.
+     */
+    }
+
+    
+/**
+ * @see power_save_display_mode.h
+ */
+EXPORT_C TBool CPowerSaveDisplayMode::Status()
+    {
+    /*
+     * ADAPTATION IMPLEMENTATION NEEDED
+     *
+     * Return ETrue if the power save mode is activated, otherwise EFalse
+     */
+    return EFalse;
+    }
+
+
+/**
+ * @see power_save_display_mode.h
+ */
+EXPORT_C TInt CPowerSaveDisplayMode::Exit()
+    {
+    /*
+     * ADAPTATION IMPLEMENTATION NEEDED
+     *
+     * Instruct the display driver to exit power save mode.
+     * Return KErrNone on success, or an error code.
+     */
+    
+    return KErrNone;
+    }
+
+
+/**
+ * @see power_save_display_mode.h
+ */
+EXPORT_C TUint CPowerSaveDisplayMode::MaxLines()
+    {
+    /*
+     * ADAPTATION IMPLEMENTATION NEEDED
+     *
+     * Return the maximum number of screen display lines supported in
+     * power save mode. This should be queried from the display driver.
+     */
+    return KMaxPowerSaveLinesStub;
+    }
+
+
+/**
+ * @see power_save_display_mode.h
+ */
+EXPORT_C TInt CPowerSaveDisplayMode::Set(
+    TUint aStartRow,
+    TUint aEndRow,
+    TBool /* aFullColors */)
+    {
+    /*
+     * ADAPTATION IMPLEMENTATION NEEDED
+     *
+     * Instruct the display driver to enter power save mode starting from
+     * row "aStartRow" (0-based) and finishing at row "aEndRow". The image
+     * to be displayed should already be drawn in display buffer.
+     */
+    
+    // Sanity-check params
+    if (aEndRow <= aStartRow)
+        {
+        return KErrArgument;
+        }
+    else
+        {
+        return KErrNone;
+        }
+    }
+
+
+/**
+ * @see power_save_display_mode.h
+ */
+EXPORT_C TInt CPowerSaveDisplayMode::Set(
+    TUint aStartRow,
+    TUint aEndRow,
+    TUint16* aPixels,
+    TBool /* aFullColors */)
+    {
+    /*
+     * ADAPTATION IMPLEMENTATION NEEDED
+     *
+     * Instruct the display driver to enter power save mode starting from
+     * row "aStartRow" (0-based) and finishing at row "aEndRow". The image
+     * to be displayed should already be drawn in display buffer.
+     */
+    
+    // Sanity-check params
+    if (aEndRow <= aStartRow || aPixels == NULL)
+        {
+        return KErrArgument;
+        }
+    else
+        {
+        return KErrNone;
+        }
+    }
+
+
+/**
+ * @see power_save_display_mode.h
+ */
+EXPORT_C TInt CPowerSaveDisplayMode::SetPowerSaveLevel(CPowerSaveDisplayMode::TPowerSaveLevel aVal)
+    {
+    if ( aVal >= ENone && aVal <= EHigh )
+        {
+        return KErrNone;
+        }
+    else
+        {
+        return KErrNotSupported;
+        }
+    }
+
+
+/**
+ * @see power_save_display_mode.h
+ */
+EXPORT_C CPowerSaveDisplayMode::TPowerSaveLevel CPowerSaveDisplayMode::GetPowerSaveLevel()
+    {
+    return CPowerSaveDisplayMode::ELow;
+    }
+
+// End of File