CSearchBar.h

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/*
 * PROJECT:     ReactOS Search Shell Extension
 * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
 * PURPOSE:     Search UI
 * COPYRIGHT:   Copyright 2019 Brock Mammen
 */

#pragma once

#include "shellfind.h"

class CSearchBar :
    public CComCoClass<CSearchBar, &CLSID_FileSearchBand>,
    public CComObjectRootEx<CComMultiThreadModelNoCS>,
    public IDeskBand,
    public IObjectWithSite,
    public IInputObject,
    public IPersistStream,
    public IDispatch,
    public CDialogImpl<CSearchBar>
{

private:
    // *** BaseBarSite information ***
    CComPtr<IUnknown> m_pSite;
    CComPtr<IAddressEditBox> m_AddressEditBox;
    BOOL m_bVisible;

    HRESULT GetSearchResultsFolder(IShellBrowser **ppShellBrowser, HWND *pHwnd, IShellFolder **ppShellFolder);
    BOOL GetAddressEditBoxPath(WCHAR *szPath);
    void SetSearchInProgress(BOOL bInProgress);
    HRESULT TrySubscribeToSearchEvents();

    // *** ATL event handlers ***
    LRESULT OnInitDialog(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
    LRESULT OnSetFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
    LRESULT OnSearchButtonClicked(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL &bHandled);
    LRESULT OnStopButtonClicked(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL &bHandled);
    LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);

public:
    CSearchBar();
    virtual ~CSearchBar();

    // *** IOleWindow methods ***
    virtual HRESULT STDMETHODCALLTYPE GetWindow(HWND *lphwnd);
    virtual HRESULT STDMETHODCALLTYPE ContextSensitiveHelp(BOOL fEnterMode);

    // *** IDockingWindow methods ***
    virtual HRESULT STDMETHODCALLTYPE CloseDW(DWORD dwReserved);
    virtual HRESULT STDMETHODCALLTYPE ResizeBorderDW(const RECT *prcBorder, IUnknown *punkToolbarSite, BOOL fReserved);
    virtual HRESULT STDMETHODCALLTYPE ShowDW(BOOL fShow);

    // *** IDeskBand methods ***
    virtual HRESULT STDMETHODCALLTYPE GetBandInfo(DWORD dwBandID, DWORD dwViewMode, DESKBANDINFO *pdbi);

    // *** IObjectWithSite methods ***
    virtual HRESULT STDMETHODCALLTYPE SetSite(IUnknown *pUnkSite);
    virtual HRESULT STDMETHODCALLTYPE GetSite(REFIID riid, void **ppvSite);

    // *** IInputObject methods ***
    virtual HRESULT STDMETHODCALLTYPE UIActivateIO(BOOL fActivate, LPMSG lpMsg);
    virtual HRESULT STDMETHODCALLTYPE HasFocusIO();
    virtual HRESULT STDMETHODCALLTYPE TranslateAcceleratorIO(LPMSG lpMsg);

    // *** IPersist methods ***
    virtual HRESULT STDMETHODCALLTYPE GetClassID(CLSID *pClassID);

    // *** IPersistStream methods ***
    virtual HRESULT STDMETHODCALLTYPE IsDirty();
    virtual HRESULT STDMETHODCALLTYPE Load(IStream *pStm);
    virtual HRESULT STDMETHODCALLTYPE Save(IStream *pStm, BOOL fClearDirty);
    virtual HRESULT STDMETHODCALLTYPE GetSizeMax(ULARGE_INTEGER *pcbSize);

    // *** IDispatch methods ***
    virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT *pctinfo);
    virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo);
    virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId);
    virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr);

    enum { IDD = IDD_SEARCH_DLG };

    DECLARE_REGISTRY_RESOURCEID(IDR_EXPLORERBAND)
    DECLARE_NOT_AGGREGATABLE(CSearchBar)

    DECLARE_PROTECT_FINAL_CONSTRUCT()

    BEGIN_COM_MAP(CSearchBar)
        COM_INTERFACE_ENTRY_IID(IID_IDispatch, IDispatch)
        COM_INTERFACE_ENTRY_IID(DIID_DWebBrowserEvents, IDispatch)
        COM_INTERFACE_ENTRY_IID(DIID_DSearchCommandEvents, IDispatch)
        COM_INTERFACE_ENTRY2_IID(IID_IOleWindow, IOleWindow, IDeskBand)
        COM_INTERFACE_ENTRY2_IID(IID_IDockingWindow, IDockingWindow, IDeskBand)
        COM_INTERFACE_ENTRY_IID(IID_IDeskBand, IDeskBand)
        COM_INTERFACE_ENTRY_IID(IID_IObjectWithSite, IObjectWithSite)
        COM_INTERFACE_ENTRY_IID(IID_IInputObject, IInputObject)
        COM_INTERFACE_ENTRY2_IID(IID_IPersist, IPersist, IPersistStream)
        COM_INTERFACE_ENTRY_IID(IID_IPersistStream, IPersistStream)
    END_COM_MAP()

    BEGIN_MSG_MAP(CSearchBar)
        MESSAGE_HANDLER(WM_INITDIALOG, OnInitDialog)
        MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
        MESSAGE_HANDLER(WM_SIZE, OnSize)
        COMMAND_HANDLER(IDC_SEARCH_BUTTON, BN_CLICKED, OnSearchButtonClicked)
        COMMAND_HANDLER(IDC_SEARCH_STOP_BUTTON, BN_CLICKED, OnStopButtonClicked)
    END_MSG_MAP()
};