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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_SD_SOURCE_UI_SIDEBAR_MASTERPAGECONTAINERFILLER_HXX
21 : #define INCLUDED_SD_SOURCE_UI_SIDEBAR_MASTERPAGECONTAINERFILLER_HXX
22 :
23 : #include "MasterPageContainer.hxx"
24 : #include "MasterPageDescriptor.hxx"
25 : #include "tools/AsynchronousTask.hxx"
26 :
27 : namespace sd {
28 : class TemplateScanner;
29 : class TemplateEntry;
30 : }
31 :
32 : namespace sd { namespace sidebar {
33 :
34 : /** Fill a MasterPageContainer with information about the available master
35 : pages. These are provided by one default page and from the existing
36 : Impress templates. This is done asynchronously.
37 : */
38 : class MasterPageContainerFiller
39 : : public ::sd::tools::AsynchronousTask
40 : {
41 : public:
42 0 : class ContainerAdapter
43 : {
44 : public:
45 : virtual MasterPageContainer::Token PutMasterPage (
46 : const SharedMasterPageDescriptor& rpDescriptor) = 0;
47 : /** This method is called when all Impress templates have been added
48 : to the container via the PutMasterPage() method.
49 : */
50 : virtual void FillingDone (void) = 0;
51 :
52 : protected:
53 0 : ~ContainerAdapter() {}
54 : };
55 :
56 : MasterPageContainerFiller (ContainerAdapter& rContainerAdapter);
57 : virtual ~MasterPageContainerFiller (void);
58 :
59 : /** Run the next step of the task. After HasNextStep() returns false
60 : this method should ignore further calls.
61 : */
62 : virtual void RunNextStep (void) SAL_OVERRIDE;
63 :
64 : /** Return <TRUE/> when there is at least one more step to execute.
65 : When the task has been executed completely then <FALSE/> is
66 : returned.
67 : */
68 : virtual bool HasNextStep (void) SAL_OVERRIDE;
69 :
70 : private:
71 : ContainerAdapter& mrContainerAdapter;
72 : // Remember what the next step has to do.
73 : enum State {
74 : INITIALIZE_TEMPLATE_SCANNER,
75 : SCAN_TEMPLATE,
76 : ADD_TEMPLATE,
77 : ERROR,
78 : DONE
79 : } meState;
80 : ::std::unique_ptr<TemplateScanner> mpScannerTask;
81 : const TemplateEntry* mpLastAddedEntry;
82 : int mnIndex;
83 :
84 : State ScanTemplate (void);
85 : State AddTemplate (void);
86 : };
87 :
88 : } } // end of namespace sd::sidebar
89 :
90 : #endif
91 :
92 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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