titlepaneappui.cpp

symbian下标题栏管理者程序,超酷!

/**
* 
* @brief Definition of CTitlePaneAppUi
*
* Copyright (c) EMCC Software Ltd 2003
* @version 1.0
*/

// INCLUDE FILES

//  Class include
#include "TitlePaneAppUi.h"

// System includes
#include <avkon.rsg>
#include <TitlePane.rsg>
#include <akntitle.h>
#include <akncontext.h>
#include <stringloader.h>
#include <aknnavi.h>
#include <akntabgrp.h>
#include <aknnavide.h>
#include <TitlePane.mbg>  // icons

// User includes
#include "TitlePane.hrh" // TTitlePaneViewNumber
#include "TitlePaneView1.h" // CTitlePaneView1

_LIT(KTitleBitMapFile, "\\system\\apps\\titlepane\\titlepane.mbm");

// ================= MEMBER FUNCTIONS =======================

CTitlePaneAppUi::CTitlePaneAppUi()
	: iNaviDecorator(NULL)
	{
	}


CTitlePaneAppUi::~CTitlePaneAppUi()
	{
	delete iNaviDecorator;
	}
	
/**
* Symbian OS 2nd phase constructor.  Constructs the application's views, 
* transferring ownership of them to the superclass.
* Sets view 1 as the default and remembers that this is the current view id.  
*/	
void CTitlePaneAppUi::ConstructL()
	{
	BaseConstructL();

	iView1 = CTitlePaneView1::NewL();
	AddViewL(iView1); // transfer ownership
	}

/**
* From CEikAppUi, takes care of command handling for application views.
*
* @param aCommand command to be handled
*/
void CTitlePaneAppUi::HandleCommandL(TInt aCommand)
	{
	switch (aCommand)
		{

        // change the title pane text
		case ETitlePaneSetTitleText:
			{
    		TUid titlePaneUid;
    		titlePaneUid.iUid = EEikStatusPaneUidTitle;

			CEikStatusPane* statusPane = StatusPane();

   			CEikStatusPaneBase::TPaneCapabilities subPane =
				statusPane->PaneCapabilities(titlePaneUid);

            // if we can access the title pane
			if (subPane.IsPresent() && subPane.IsAppOwned())
				{

    			CAknTitlePane* titlePane = (CAknTitlePane*) statusPane->ControlL(titlePaneUid);

                // read the title text from the resource file
	    		HBufC* titleText = StringLoader::LoadLC(R_TITLE_TEXT);

                // set the title pane's text
		    	titlePane->SetTextL(*titleText);
			    CleanupStack::PopAndDestroy(titleText);
                }

			break;
			}

        // reset the title pane back to its default text
		case ETitlePaneSetTitleDefault:
			{
    		TUid titlePaneUid;
    		titlePaneUid.iUid = EEikStatusPaneUidTitle;

			CEikStatusPane* statusPane = StatusPane();

   			CEikStatusPaneBase::TPaneCapabilities subPane =
				statusPane->PaneCapabilities(titlePaneUid);

            // if we can access the title pane
			if (subPane.IsPresent() && subPane.IsAppOwned())
				{
    			CAknTitlePane* titlePane = (CAknTitlePane*) statusPane->ControlL(titlePaneUid);

                // set the title text back to its default
    			titlePane->SetTextToDefaultL();
                }
			
			break;
			}

        // display a bitmap in the title pane
		case ETitlePaneSetTitleImage:
			{
    		TUid titlePaneUid;
    		titlePaneUid.iUid = EEikStatusPaneUidTitle;

			CEikStatusPane* statusPane = StatusPane();

   			CEikStatusPaneBase::TPaneCapabilities subPane =
				statusPane->PaneCapabilities(titlePaneUid);

            // if we can access the title pane
			if (subPane.IsPresent() && subPane.IsAppOwned())
				{
    			CAknTitlePane* titlePane = (CAknTitlePane*) statusPane->ControlL(titlePaneUid);
    		    CFbsBitmap* bitmap = iEikonEnv->CreateBitmapL(KTitleBitMapFile, EMbmTitlepaneTitle);
                // set the title pane's image
                titlePane->SetPicture(bitmap);
                }

			break;
			}

        // display a bitmap in the context pane
		case ETitlePaneSetContextImage:
			{
       		TUid contextPaneUid;
       		contextPaneUid.iUid = EEikStatusPaneUidContext;

			CEikStatusPane* statusPane = StatusPane();

   			CEikStatusPaneBase::TPaneCapabilities subPane =
				statusPane->PaneCapabilities(contextPaneUid);

            // if we can access the context pane
			if (subPane.IsPresent() && subPane.IsAppOwned())
				{
    			CEikStatusPane* statusPane = StatusPane();
    			CAknContextPane* contextPane = (CAknContextPane*) statusPane->ControlL(contextPaneUid);
	    	    CFbsBitmap* bitmap = iEikonEnv->CreateBitmapL(KTitleBitMapFile, EMbmTitlepaneContext);
                // set the context pane's image
                contextPane->SetPicture(bitmap);
                }
			break;
			}

        // display two tabs in the navigation pane
		case ETitlePaneSetNaviPane:
			{
			TUid naviPaneUid;
			naviPaneUid.iUid = EEikStatusPaneUidNavi;

			CEikStatusPane* statusPane = StatusPane();

			CEikStatusPaneBase::TPaneCapabilities subPane =
				statusPane->PaneCapabilities(naviPaneUid);

            // if we can access the navigation pane
			if (subPane.IsPresent() && subPane.IsAppOwned())
				{

				CAknNavigationControlContainer* naviPane =
					(CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

                delete iNaviDecorator;
                iNaviDecorator = NULL;

				// ownership is transferred to us here
				iNaviDecorator = naviPane->CreateTabGroupL();

				// ownership not transferred
				CAknTabGroup* tabGroup = (CAknTabGroup*) iNaviDecorator->DecoratedControl();

                // Display two tabs of normal length on the navigation pane at a time
				tabGroup->SetTabFixedWidthL(KTabWidthWithTwoTabs);

                TInt tabId = 0;

                // load the text to be displayed in the tabs
				HBufC* tab1Text = StringLoader::LoadLC(R_TAB1_TEXT);
				tabGroup->AddTabL(tabId++, *tab1Text);
				CleanupStack::PopAndDestroy(tab1Text);

				HBufC* tab2Text = StringLoader::LoadLC(R_TAB2_TEXT);
				tabGroup->AddTabL(tabId++, *tab2Text);
				CleanupStack::PopAndDestroy(tab2Text);

                // highlight the first tab
				tabGroup->SetActiveTabByIndex(0);
				naviPane->PushL(*iNaviDecorator);
				}
			break;
			}

        // display a tab with an image in the navigation pane
		case ETitlePaneSetNaviPaneTabImage:
			{
			TUid naviPaneUid;
			naviPaneUid.iUid = EEikStatusPaneUidNavi;

			CEikStatusPane* statusPane = StatusPane();

			CEikStatusPaneBase::TPaneCapabilities subPane =
				statusPane->PaneCapabilities(naviPaneUid);

            // if we can access the navigation pane
			if (subPane.IsPresent() && subPane.IsAppOwned())
				{

				CAknNavigationControlContainer* naviPane =
					(CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

                delete iNaviDecorator;
                iNaviDecorator = NULL;

				// ownership is transferred to us here
				iNaviDecorator = naviPane->CreateTabGroupL();

				// ownership not transferred
				CAknTabGroup* tabGroup = (CAknTabGroup*) iNaviDecorator->DecoratedControl();

                // Display two tabs of normal length on the navigation pane at a time
				tabGroup->SetTabFixedWidthL(KTabWidthWithTwoTabs);

                TInt tabId = 0;

                // load the bitmap to be displayed in the tabs
   	    	    CFbsBitmap* bitmap = iEikonEnv->CreateBitmapL(KTitleBitMapFile, EMbmTitlepaneTab);
                // display a bitmap in the tab
				tabGroup->AddTabL(tabId++, bitmap);

                // highlight the first tab
				tabGroup->SetActiveTabByIndex(0);
				naviPane->PushL(*iNaviDecorator);
				}
			break;
			}

        // display a label in the navigation pane
		case ETitlePaneSetNaviPaneLabel:
			{
			TUid naviPaneUid;
			naviPaneUid.iUid = EEikStatusPaneUidNavi;
			CEikStatusPane* statusPane = StatusPane();

   			CEikStatusPaneBase::TPaneCapabilities subPane =
				statusPane->PaneCapabilities(naviPaneUid);

            // if we can access the navigation pane
			if (subPane.IsPresent() && subPane.IsAppOwned())
				{
		        CAknNavigationControlContainer* naviPane =
				    (CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

                delete iNaviDecorator;
                iNaviDecorator = NULL;

    		    HBufC* labelText = StringLoader::LoadLC(R_NAVIGATION_LABEL_TEXT);
                // set the navigation pane's label
			    iNaviDecorator = naviPane->CreateNavigationLabelL(*labelText);
		        CleanupStack::PopAndDestroy(labelText);

                naviPane->PushL(*iNaviDecorator);
                }
			break;
			}
		
        // display a volume control in the navigation pane
        case ETitlePaneSetNaviPaneIndicator:
            {
			TUid naviPaneUid;
			naviPaneUid.iUid = EEikStatusPaneUidNavi;

			CEikStatusPane* statusPane = StatusPane();

			CEikStatusPaneBase::TPaneCapabilities subPane =
				statusPane->PaneCapabilities(naviPaneUid);

            // if we can access the navigation pane
			if (subPane.IsPresent() && subPane.IsAppOwned())
				{

				CAknNavigationControlContainer* naviPane =
					(CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

                delete iNaviDecorator;
                iNaviDecorator = NULL;

                // create a volume indicator on the navigation pane
                iNaviDecorator = naviPane->CreateVolumeIndicatorL(R_AVKON_NAVI_PANE_VOLUME_INDICATOR);

				naviPane->PushL(*iNaviDecorator);
                }


            CAknVolumeControl* volumeControl = (CAknVolumeControl*) iNaviDecorator->DecoratedControl();

            // Get the current volume level
            TInt curVolume = volumeControl->Value();
            // Increase the volume level by one                
            volumeControl->SetValue(++curVolume);
            break;
            }

        // display an image in the navigation pane
        case ETitlePaneSetNaviPaneImage:
            {
			TUid naviPaneUid;
			naviPaneUid.iUid = EEikStatusPaneUidNavi;

			CEikStatusPane* statusPane = StatusPane();

			CEikStatusPaneBase::TPaneCapabilities subPane =
				statusPane->PaneCapabilities(naviPaneUid);

            // if we can access the navigation pane
			if (subPane.IsPresent() && subPane.IsAppOwned())
				{

				CAknNavigationControlContainer* naviPane =
					(CAknNavigationControlContainer *) statusPane->ControlL(naviPaneUid);

                delete iNaviDecorator;
                iNaviDecorator = NULL;

                // Create a bitmap to display
       		    CFbsBitmap* bitmap = iEikonEnv->CreateBitmapL(KTitleBitMapFile, EMbmTitlepaneNavigation);

                // create an image on the navigation pane
                iNaviDecorator = naviPane->CreateNavigationImageL(bitmap);

   				naviPane->PushL(*iNaviDecorator);
                }

            }
            break;

		case EEikCmdExit:
			{
			Exit();
			break;
			}
		default:
			break;		
		}
	}

/**
* Handle key presses, and pass them to the navigation decorator if it exists
*
* @param aKeyEvent key pressed information
* @param aType  type of key event
*/
TKeyResponse CTitlePaneAppUi::HandleKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType)
    {

    if (iNaviDecorator == NULL)
        {
    	return EKeyWasNotConsumed;
        }

    CAknTabGroup* tabGroup = (CAknTabGroup*) iNaviDecorator->DecoratedControl();

	if (tabGroup == NULL)
		{
    	return EKeyWasNotConsumed;
		}

    // if we've got a tab group, then offer the key event to it.
    return tabGroup->OfferKeyEventL(aKeyEvent, aType);

	}

// End of File