author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 11 Jun 2010 13:27:14 +0300 | |
changeset 30 | 759dc5235cdb |
parent 27 | 9ba4404ef423 |
child 44 | c2d07d913565 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 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: |
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* |
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*/ |
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#include "nmuiheaders.h" |
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const int NmAttachmentManagerInitialProgressPercent = 5; |
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/*! |
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\class NmAttachmentManager |
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\brief Attachment download manager, shares attachment download between editor and viewer |
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*/ |
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/*! |
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*/ |
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NmAttachmentManager::NmAttachmentManager(NmUiEngine &uiEngine) : |
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mUiEngine(uiEngine), |
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mFetchOperation(NULL), |
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mMsgFetchOperation(NULL), |
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mFetchObserver(NULL), |
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mAttaId(0), |
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mProgressValue(0), |
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mIsFetching(false) |
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{ |
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NM_FUNCTION; |
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} |
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/*! |
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*/ |
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NmAttachmentManager::~NmAttachmentManager() |
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{ |
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NM_FUNCTION; |
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// fetch operation deleted in cancel fetch |
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cancelFetch(); |
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} |
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/*! |
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Starts attachment fetch. If earlier fetch operation exist it is cancelled. |
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Set observer with setObserver method to get process and complete events |
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*/ |
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void NmAttachmentManager::fetchAttachment( |
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const NmId &mailboxId, |
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const NmId &folderId, |
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const NmId &messageId, |
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const NmId &messagePartId) |
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{ |
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NM_FUNCTION; |
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// cancel old fetch operation, Does nothing if fetch not ongoing |
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cancelFetch(); |
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mFetchOperation = mUiEngine.fetchMessagePart( |
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mailboxId, folderId, messageId, messagePartId); |
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if (mFetchOperation) { |
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mAttaId = messagePartId; |
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mIsFetching = true; |
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QObject::connect(mFetchOperation, SIGNAL(operationCompleted(int)), |
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this, SLOT(completeAttachmentFetch(int))); |
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QObject::connect(mFetchOperation, SIGNAL(operationProgressChanged(int)), |
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this, SLOT(changeProgress(int))); |
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// set progress to 5 % already in start |
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changeProgress(NmAttachmentManagerInitialProgressPercent); |
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} |
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} |
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/*! |
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Fetch attachments to a message. |
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Set observer with setObserver method to get process and complete events |
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\return bool true if fetch started, otherwise false. |
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*/ |
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bool NmAttachmentManager::fetchAttachments( |
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const NmId &mailboxId, |
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const NmId &folderId, |
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const NmId &messageId, |
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QList<NmId> &messagePartIds) |
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{ |
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NM_FUNCTION; |
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bool result = false; |
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// cancel old fetch operation, Does nothing if fetch not ongoing |
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cancelFetch(); |
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if (messagePartIds.count() > 0) { |
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mFetchOperation = mUiEngine.fetchMessageParts( |
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mailboxId, |
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folderId, |
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messageId, |
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messagePartIds); |
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|
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if (mFetchOperation) { |
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mAttaId = 0; |
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mIsFetching = true; |
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QObject::connect(mFetchOperation, SIGNAL(operationCompleted(int)), |
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this, SLOT(completeAttachmentFetch(int))); |
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112 |
|
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QObject::connect(mFetchOperation, SIGNAL(operationProgressChanged(int)), |
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this, SLOT(changeProgress(int))); |
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115 |
|
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result = true; |
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} |
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} |
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return result; |
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} |
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121 |
|
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122 |
/*! |
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Fetch all message parts to a message. Fetches also message part data structure, |
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if not fetched already. |
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If earlier fetch operation exist it is cancelled and deleted. |
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Set observer with setObserver method to get process and complete events |
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*/ |
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void NmAttachmentManager::fetchAllMessageParts( |
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const NmId &mailboxId, |
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const NmId &folderId, |
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const NmId &messageId) |
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{ |
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NM_FUNCTION; |
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mFetchMsg = mUiEngine.message(mailboxId,folderId,messageId); |
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135 |
|
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// Check if we have part data structure. |
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if (mFetchMsg->childParts().count() == 0 && |
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mFetchMsg->fetchedSize() < mFetchMsg->size()) { |
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139 |
|
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// cancel old fetch operation, Does nothing if fetch not ongoing |
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cancelFetch(); |
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142 |
|
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// Fetch the message. |
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mMsgFetchOperation = mUiEngine.fetchMessage( |
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mFetchMsg->envelope().mailboxId(), |
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mFetchMsg->envelope().folderId(), |
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mFetchMsg->envelope().messageId()); |
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|
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mAttaId = 0; |
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mIsFetching = true; |
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151 |
|
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if (mMsgFetchOperation) { |
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QObject::connect(mMsgFetchOperation, |
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SIGNAL(operationCompleted(int)), |
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this, |
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SLOT(completeMessageFetch(int))); |
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} |
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158 |
|
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} |
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else { |
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completeMessageFetch(NmNoError); |
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} |
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} |
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|
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/*! |
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Retruns true if fetch operation is ongoing |
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*/ |
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bool NmAttachmentManager::isFetching() const |
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{ |
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NM_FUNCTION; |
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171 |
|
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return mIsFetching; |
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} |
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174 |
|
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175 |
/*! |
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Retrunrs part id of attachment if fetch operation is ongoing. Zero id is returned otherwise |
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*/ |
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NmId NmAttachmentManager::partIdUnderFetch() const |
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{ |
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NM_FUNCTION; |
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181 |
|
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return mAttaId; |
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} |
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184 |
|
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/*! |
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Cancels fetch operation. Does nothing if fetch not ongoing |
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*/ |
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void NmAttachmentManager::cancelFetch() |
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{ |
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NM_FUNCTION; |
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if (mFetchOperation && mFetchOperation->isRunning()) { |
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mFetchOperation->cancelOperation(); |
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} |
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if (mMsgFetchOperation && mMsgFetchOperation->isRunning()) { |
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mMsgFetchOperation->cancelOperation(); |
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} |
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mIsFetching = false; |
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mAttaId = 0; |
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mProgressValue = 0; |
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} |
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201 |
|
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/*! |
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Used by message part fetch operation |
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*/ |
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void NmAttachmentManager::changeProgress(int value) |
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{ |
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NM_FUNCTION; |
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208 |
|
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if (mFetchObserver && value > mProgressValue) { |
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mProgressValue = value; |
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mFetchObserver->progressChanged(value); |
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} |
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} |
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|
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/*! |
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Used by message part fetch operation |
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*/ |
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void NmAttachmentManager::completeAttachmentFetch(int result) |
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{ |
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NM_FUNCTION; |
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|
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if (mFetchObserver) { |
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mFetchObserver->fetchCompleted(result); |
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} |
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mAttaId = 0; |
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mProgressValue = 0; |
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mIsFetching = false; |
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} |
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|
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/*! |
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Used by message fetch operation |
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*/ |
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void NmAttachmentManager::completeMessageFetch(int result) |
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{ |
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NM_FUNCTION; |
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|
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if (result == NmNoError) { |
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|
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// Reload message |
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mFetchMsg = mUiEngine.message( |
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mFetchMsg->envelope().mailboxId(), |
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mFetchMsg->envelope().folderId(), |
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mFetchMsg->envelope().messageId()); |
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|
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if (mFetchMsg) { |
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QList<NmId> partIds; |
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NmMessagePart *part; |
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foreach (part, mFetchMsg->childParts()) { |
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if (part->size() > part->fetchedSize()) { |
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partIds.append(part->partId()); |
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} |
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} |
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if (partIds.count() > 0) { |
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mMsgFetchOperation = NULL; |
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fetchAttachments( |
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mFetchMsg->envelope().mailboxId(), |
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mFetchMsg->envelope().folderId(), |
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mFetchMsg->envelope().messageId(), |
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partIds); |
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|
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if (mFetchOperation) { |
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mAttaId = 0; |
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mIsFetching = true; |
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QObject::connect(mFetchOperation, SIGNAL(operationCompleted(int)), |
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this, SLOT(completeAttachmentFetch(int))); |
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|
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QObject::connect(mFetchOperation, SIGNAL(operationProgressChanged(int)), |
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this, SLOT(changeProgress(int))); |
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|
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result = true; |
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} |
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} |
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else { |
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mFetchObserver->fetchCompleted(NmNoError); |
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} |
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} |
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else { |
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mFetchObserver->fetchCompleted(NmNotFoundError); |
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} |
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} |
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else { |
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mFetchObserver->fetchCompleted(result); |
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} |
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} |
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|
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/*! |
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Sets fetch observer |
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*/ |
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void NmAttachmentManager::setObserver(NmAttachmentFetchObserver *observer) |
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{ |
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NM_FUNCTION; |
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|
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mFetchObserver = observer; |
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// send progress event wheng observer changes if fetch ongoing |
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// to get progress bar updating |
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if (mIsFetching) { |
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changeProgress(mProgressValue); |
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} |
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} |
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|
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/*! |
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Clear observer |
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*/ |
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void NmAttachmentManager::clearObserver() |
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{ |
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NM_FUNCTION; |
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|
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mFetchObserver = NULL; |
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} |
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|
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/*! |
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Returns progress value if fetch ongoing. Otherwise returns 0. |
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*/ |
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int NmAttachmentManager::progressValue() const |
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{ |
30
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NM_FUNCTION; |
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Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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Revision: 201017
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return mProgressValue; |
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} |
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Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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