126 lines
4.2 KiB
C++
126 lines
4.2 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1999 - 1999
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//
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// File: histlist.h
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//
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//--------------------------------------------------------------------------
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#pragma once
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#ifndef _HISTORY_LIST_H
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#define _HISTORY_LIST_H
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#include <exdisp.h>
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#include <mshtml.h>
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#include "amcview.h"
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#include "treectrl.h"
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#include "resultview.h"
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#include <windowsx.h> // for globalallocptr macro
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SC ScGetPageBreakURL(CStr& strResultPane);
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enum NavState
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{
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MMC_HISTORY_READY = 0,
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MMC_HISTORY_NAVIGATING = 1,
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MMC_HISTORY_BUSY = 2,
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MMC_HISTORY_PAGE_BREAK = 3
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};
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enum HistoryButton
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{
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HB_BACK = -1,
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HB_STOP = 0,
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HB_FORWARD = 1
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};
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class CHistoryEntry
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{
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public:
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bool operator == (const CHistoryEntry &other) const;
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bool operator != (const CHistoryEntry &other) const;
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bool IsWebEntry() {return resultViewType.HasWebBrowser();}
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bool IsListEntry() {return resultViewType.HasList();}
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bool IsOCXEntry() {return resultViewType.HasOCX();}
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public:
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int viewMode; // valid only if the result view is a list. This field is not a part of CResultViewType because the snapin does not specify this.
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HNODE hnode; // currently selected node in scope tree
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GUID guidTaskpad; // the selected taskpad
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CResultViewType resultViewType; // all the details about the result pane
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};
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/*+-------------------------------------------------------------------------*
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* class CHistoryList
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*
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*
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* PURPOSE: Maintains a list of all the states visited by the user for a view.
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*
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*+-------------------------------------------------------------------------*/
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class CHistoryList
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{
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typedef std::list<CHistoryEntry> HistoryEntryList;
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enum {MAX_HISTORY_ENTRIES = 100};
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public:
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typedef HistoryEntryList::iterator iterator;
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CHistoryList(CAMCView* pView);
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~CHistoryList();
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void Attach (CAMCWebViewCtrl* pWebViewCtrl) {m_pWebViewCtrl = pWebViewCtrl;}
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BOOL IsFirst(); // should we light up the "Back" button?
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BOOL IsLast(); // should we light up the "Forward" button?
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HRESULT Back (bool &bHandled, bool bUseBrowserHistory = true);
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HRESULT Forward(bool &bHandled, bool bUseBrowserHistory = true);
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SC ScAddEntry (CResultViewType &rvt, int viewMode, GUID &guidTaskpad); // adds new entry at current location
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void DeleteEntry (HNODE hnode);
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SC ScModifyViewTab(const GUID& guidTab);
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SC ScChangeViewMode(int viewMode);
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void MaintainWebBar();
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void Compact();
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HRESULT ExecuteCurrent();
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void UpdateWebBar (HistoryButton button, BOOL bOn);
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void Clear();
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void OnBrowserStateChange(bool bEnableForward, bool bEnableBack);
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SC ScOnPageBreak();
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SC ScDoPageBreak();
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void OnPageBreakStateChange(bool bPageBreak);
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void DeleteSubsequentEntries();
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NavState GetNavigateState() { return m_navState; }
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void SetNavigateState(NavState state) { m_navState = state; }
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SC ScGetCurrentResultViewType (CResultViewType &rvt, int& viewMode, GUID &guidTaskpad);
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void SetCurrentViewMode (long nViewMode);
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private:
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CAMCWebViewCtrl* GetWebViewCtrl() {return m_pWebViewCtrl;}
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bool PreviousWebPagesExist();
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private:
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iterator m_iterCurrent; // current index
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HistoryEntryList m_entries; // array (note: using array-size doubling scheme)
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CAMCView* m_pView; // to get current node
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NavState m_navState; // TRUE when busy
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CAMCWebViewCtrl *m_pWebViewCtrl; // used to navigate to a page break.
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bool m_bBrowserForwardEnabled;
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bool m_bBrowserBackEnabled;
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bool m_bCurrentStateIsForward; // tells us if we're going forward or backward.
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bool m_bPageBreak; // are we sitting at a page break right now?
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bool m_bWithin_CHistoryList_Back; // to know "Back" is on stack
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bool m_bWithin_CHistoryList_Forward; // to know "Forward" is on stack
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};
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#endif
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