author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:04:17 +0300 | |
branch | RCL_3 |
changeset 63 | d189ee25cf9d |
permissions | -rw-r--r-- |
63
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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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|
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#include "nmuiheaders.h" |
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|
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static 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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|
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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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mFetchMsg(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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|
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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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delete mFetchMsg; |
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mFetchMsg = NULL; |
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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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/*! |
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Fetch attachments to a message. |
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Set observer with setObserver method to get progress and complete events |
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|
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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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|
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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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110 |
|
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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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116 |
|
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QObject::connect(mFetchOperation, SIGNAL(operationProgressChanged(int)), |
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this, SLOT(changeProgress(int))); |
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119 |
|
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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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125 |
|
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126 |
/*! |
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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 progress and complete events |
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*/ |
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132 |
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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139 |
|
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// Check if we have part data structure. |
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if (mFetchMsg && mFetchMsg->childParts().count() == 0 && |
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mFetchMsg->fetchedSize() < mFetchMsg->size()) { |
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143 |
|
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// cancel old fetch operation, Does nothing if fetch not ongoing |
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cancelFetch(); |
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146 |
|
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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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152 |
|
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mAttaId = 0; |
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mIsFetching = true; |
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155 |
|
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if (mMsgFetchOperation) { |
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QObject::connect(mMsgFetchOperation, |
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SIGNAL(operationCompleted(int)), |
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159 |
this, |
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SLOT(completeMessageFetch(int))); |
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} |
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else { |
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completeMessageFetch(NmGeneralError); |
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} |
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165 |
|
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166 |
} |
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167 |
else { |
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completeMessageFetch(NmNoError); |
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} |
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} |
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171 |
|
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172 |
/*! |
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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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176 |
{ |
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NM_FUNCTION; |
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178 |
|
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return mIsFetching; |
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} |
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181 |
|
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182 |
/*! |
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183 |
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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186 |
{ |
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NM_FUNCTION; |
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188 |
|
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return mAttaId; |
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} |
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191 |
|
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192 |
/*! |
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193 |
Cancels fetch operation. Does nothing if fetch not ongoing |
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*/ |
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void NmAttachmentManager::cancelFetch() |
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196 |
{ |
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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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203 |
} |
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mIsFetching = false; |
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mAttaId = 0; |
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mProgressValue = 0; |
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207 |
} |
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208 |
|
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209 |
/*! |
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Used by message part fetch operation |
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211 |
*/ |
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void NmAttachmentManager::changeProgress(int value) |
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213 |
{ |
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NM_FUNCTION; |
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215 |
|
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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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|
221 |
|
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222 |
/*! |
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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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226 |
{ |
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NM_FUNCTION; |
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228 |
|
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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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236 |
|
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237 |
/*! |
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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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243 |
|
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if (result == NmNoError) { |
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245 |
|
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if (mFetchMsg) { |
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247 |
|
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NmId mailboxId = mFetchMsg->envelope().mailboxId(); |
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NmId folderId = mFetchMsg->envelope().folderId(); |
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NmId messageId = mFetchMsg->envelope().messageId(); |
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251 |
|
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// Delete object |
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delete mFetchMsg; |
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mFetchMsg = NULL; |
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255 |
|
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// Reload message |
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mFetchMsg = mUiEngine.message(mailboxId,folderId,messageId); |
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258 |
|
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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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266 |
} |
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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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274 |
} |
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275 |
else { |
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mFetchObserver->fetchCompleted(NmNoError); |
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277 |
} |
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// Delete object |
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delete mFetchMsg; |
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mFetchMsg = NULL; |
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281 |
} |
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282 |
else { |
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|
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mFetchObserver->fetchCompleted(NmNotFoundError); |
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|
284 |
} |
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|
285 |
} |
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|
286 |
else { |
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|
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mFetchObserver->fetchCompleted(NmNotFoundError); |
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|
288 |
} |
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289 |
} |
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|
290 |
else { |
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|
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mFetchObserver->fetchCompleted(result); |
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|
292 |
} |
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|
293 |
} |
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|
294 |
|
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295 |
/*! |
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Sets fetch observer |
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297 |
*/ |
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void NmAttachmentManager::setObserver(NmAttachmentFetchObserver *observer) |
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{ |
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|
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NM_FUNCTION; |
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|
301 |
|
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|
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mFetchObserver = observer; |
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|
303 |
// send progress event wheng observer changes if fetch ongoing |
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|
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// to get progress bar updating |
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|
305 |
if (mIsFetching) { |
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|
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changeProgress(mProgressValue); |
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|
307 |
} |
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|
308 |
} |
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|
309 |
|
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310 |
/*! |
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|
311 |
Clear observer |
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|
312 |
*/ |
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|
313 |
void NmAttachmentManager::clearObserver() |
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|
314 |
{ |
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Revision: 201033
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|
315 |
NM_FUNCTION; |
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|
316 |
|
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|
317 |
mFetchObserver = NULL; |
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|
318 |
} |
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diff
changeset
|
319 |
|
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Revision: 201033
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diff
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|
320 |
/*! |
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Revision: 201033
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|
321 |
Returns progress value if fetch ongoing. Otherwise returns 0. |
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|
322 |
*/ |
d189ee25cf9d
Revision: 201033
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|
323 |
int NmAttachmentManager::progressValue() const |
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Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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{ |
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Revision: 201033
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NM_FUNCTION; |
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Revision: 201033
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Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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return mProgressValue; |
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Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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} |