author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 15 Jul 2010 18:39:01 +0300 | |
branch | RCL_3 |
changeset 56 | b023a8d2866a |
parent 13 | 71da52165949 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Image Viewer AppUi class |
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* |
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*/ |
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#ifndef C_GLXIVIEWERAPPUI_H |
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#define C_GLXIVIEWERAPPUI_H |
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#include <aknViewAppUi.h> |
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#include <mglxnavigationalstateobserver.h> |
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#include <mpxcollectionpath.h> |
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#include <mglxcache.h> |
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class MMPXViewUtility; |
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class CGlxUiUtility; |
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class CGlxNavigationalState; |
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/** |
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* CGlxIVwrAppUi |
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* |
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* @lib ViewerApplication |
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*/ |
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class CGlxIVwrAppUi : public CAknViewAppUi, |
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public MGlxNavigationalStateObserver |
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{ |
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public: |
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CGlxIVwrAppUi(); |
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void ConstructL(); |
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~CGlxIVwrAppUi(); |
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/** |
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* Open the viewer on receving OpenFileL() callback in CViewerDocument |
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*/ |
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void HandleOpenFileL(); |
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public: |
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// from CAknAppUi |
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/** |
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* From CAknAppUi |
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* Handle user menu selections |
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* @param aCommand Id of the command |
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*/ |
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void HandleCommandL(TInt aCommand); |
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// From MGlxNavigationalStateObserver |
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void HandleNavigationalStateChangedL(); |
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//OOM Method |
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void HandleApplicationSpecificEventL(TInt aEventType, |
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const TWsEvent& aWsEvent); |
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protected: |
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// From CEikAppUi |
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void OpenFileL(const TDesC& aFileName); |
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TBool ProcessCommandParametersL(TApaCommand aCommand, |
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TFileName& aDocumentName, const TDesC8& aTail); |
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private: |
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enum TEntryType |
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{ |
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EEntryTypeStartUp = 0, |
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EEntryTypeFocusGained |
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}; |
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/** |
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* Get view scoring ids based on current navigational state |
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* (using Get in the name since the function does not return anything) |
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* @param aIns list that will be populated with scoring ids |
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*/ |
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void GetViewScoringIdsL(RArray<TUid>& aIds) const; |
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/** |
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* Get view scoring id for collection plugin |
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* @param naviState Path to represent navigational state |
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* @return scoding id |
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*/ |
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TUid GetViewScoringIdForCollectionPlugin( |
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const CMPXCollectionPath& aNaviState) const; |
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/** |
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* Get view scoring id for depth in ui hierarchy |
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* @param naviState Path to represent navigational state |
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* @return scoding id |
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*/ |
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TUid ViewScoringIdForNaviStateDepth( |
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const CMPXCollectionPath& aNaviState) const; |
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/** |
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* Requesting OOM to Free Some Memory, so that photos image viewer can start |
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* @return Error if Memory Cannot be freed else Error None |
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*/ |
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TInt OOMRequestFreeMemoryL(TInt aBytesRequested); |
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/** |
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* Finds Current Memory Availability And Decides to Send a Request for freeing the memory |
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* @param aCriticalMemoryRequired Bare Minimum to start photos image viewer |
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* @return Error Code from OOM |
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*/ |
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TInt ReserveMemoryL(TInt aCriticalMemoryRequired); |
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/** |
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* Finds Current Minimum Required memory to start photos image viewer |
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* @param Type of application invokation |
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* @return Required Critical Memory |
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*/ |
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TInt RamRequiredInBytesL(TEntryType aType); |
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/** |
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* Reserve critical memory qequired to start photos image viewer |
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* @param Type of application invokation |
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*/ |
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void ReserveMemoryL(TEntryType aType); |
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/** |
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* Close Image Viewer App. |
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*/ |
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void CloseImgVwr(); |
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private: |
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/// MPX View Utility |
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MMPXViewUtility* iViewUtility; |
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/// Image Viewer's Navigational State |
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CGlxNavigationalState* iNavigationalState; |
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/// Optional view plugin UID to activate when the collection is opened |
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TUid iStartupViewUid; |
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/// Ui Utility |
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CGlxUiUtility* iUiUtility; |
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}; |
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#endif // C_GLXIVIEWERAPPUI_H |
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