[gadamopoulos] 71508: [BROWSEUI] - CExplorerBand: Implement populating the treeview. You can navigate the shell namespace but clicking on an item doesn't do anything yet. - Part of the work submitt...
3 Jun
2016
3 Jun
'16
7:35 p.m.
Author: gadamopoulos
Date: Fri Jun 3 19:35:33 2016
New Revision: 71508
URL: http://svn.reactos.org/svn/reactos?rev=71508&view=rev
Log:
[BROWSEUI]
- CExplorerBand: Implement populating the treeview. You can navigate the shell namespace
but clicking on an item doesn't do anything yet.
- Part of the work submitted by Sylvain Deverre. CExplorerBand::InsertItem was rewritten
by me to be efficient.
CORE-10838
Modified:
trunk/reactos/dll/win32/browseui/explorerband.cpp
trunk/reactos/dll/win32/browseui/explorerband.h
Modified: trunk/reactos/dll/win32/browseui/explorerband.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/browseui/explore…
==============================================================================
--- trunk/reactos/dll/win32/browseui/explorerband.cpp [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/browseui/explorerband.cpp [iso-8859-1] Fri Jun 3 19:35:33
2016
@@ -1,4 +1,26 @@
+/*
+ * ReactOS Explorer
+ *
+ * Copyright 2016 Sylvain Deverre <deverre dot sylv at gmail dot com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
#include "precomp.h"
+#include <commoncontrols.h>
+#include <undocshell.h>
#if 1
#undef UNIMPLEMENTED
@@ -23,12 +45,267 @@
void CExplorerBand::InitializeExplorerBand()
{
-
+ // Init the treeview here
+ HRESULT hr;
+ LPITEMIDLIST pidl;
+ CComPtr<IWebBrowser2> browserService;
+ SHChangeNotifyEntry shcne;
+
+ hr = SHGetDesktopFolder(&pDesktop);
+ if (FAILED_UNEXPECTEDLY(hr))
+ return;
+
+ hr = SHGetFolderLocation(m_hWnd, CSIDL_DESKTOP, NULL, 0, &pidl);
+ if (FAILED_UNEXPECTEDLY(hr))
+ return;
+
+ IImageList * piml;
+ hr = SHGetImageList(SHIL_SMALL, IID_PPV_ARG(IImageList, &piml));
+ if (FAILED_UNEXPECTEDLY(hr))
+ return;
+
+ TreeView_SetImageList(m_hWnd, (HIMAGELIST)piml, TVSIL_NORMAL);
+
+ // Insert the root node
+ HTREEITEM hItem = InsertItem(0, pDesktop, pidl, pidl, FALSE);
+ if (!hItem)
+ {
+ ERR("Failed to create root item\n");
+ return;
+ }
+
+ NodeInfo* pNodeInfo = GetNodeInfo(hItem);
+
+ // Insert child nodes
+ InsertSubitems(hItem, pNodeInfo);
+ TreeView_Expand(m_hWnd, hItem, TVE_EXPAND);
+
+ // Navigate to current folder position
+ //NavigateToCurrentFolder();
+
+ // Register shell notification
+ shcne.pidl = pidl;
+ shcne.fRecursive = TRUE;
+ shellRegID = SHChangeNotifyRegister(
+ m_hWnd,
+ SHCNRF_ShellLevel | SHCNRF_InterruptLevel | SHCNRF_RecursiveInterrupt,
+ SHCNE_DISKEVENTS | SHCNE_RENAMEFOLDER | SHCNE_RMDIR | SHCNE_MKDIR,
+ WM_USER_SHELLEVENT,
+ 1,
+ &shcne);
+ if (!shellRegID)
+ {
+ ERR("Something went wrong, error %08x\n", GetLastError());
+ }
+ // Register browser connection endpoint
+ hr = IUnknown_QueryService(pSite, SID_SWebBrowserApp, IID_PPV_ARG(IWebBrowser2,
&browserService));
+ if (FAILED_UNEXPECTEDLY(hr))
+ return;
+
+ hr = AtlAdvise(browserService, dynamic_cast<IDispatch*>(this),
DIID_DWebBrowserEvents, &adviseCookie);
+ if (FAILED_UNEXPECTEDLY(hr))
+ return;
+
+ ILFree(pidl);
}
void CExplorerBand::DestroyExplorerBand()
{
-
+ HRESULT hr;
+ CComPtr <IWebBrowser2> browserService;
+
+ TRACE("Cleaning up explorer band ...\n");
+
+ hr = IUnknown_QueryService(pSite, SID_SWebBrowserApp, IID_PPV_ARG(IWebBrowser2,
&browserService));
+ if (FAILED_UNEXPECTEDLY(hr))
+ return;
+
+ hr = AtlUnadvise(browserService, DIID_DWebBrowserEvents, adviseCookie);
+ /* Remove all items of the treeview */
+ RevokeDragDrop(m_hWnd);
+ TreeView_DeleteAllItems(m_hWnd);
+ pDesktop = NULL;
+ hRoot = NULL;
+ TRACE("Cleanup done !\n");
+}
+
+CExplorerBand::NodeInfo* CExplorerBand::GetNodeInfo(HTREEITEM hItem)
+{
+ TVITEM tvItem;
+
+ tvItem.mask = TVIF_PARAM;
+ tvItem.hItem = hItem;
+
+ if (!TreeView_GetItem(m_hWnd, &tvItem))
+ return 0;
+
+ return reinterpret_cast<NodeInfo*>(tvItem.lParam);
+}
+
+// *** notifications handling ***
+BOOL CExplorerBand::OnTreeItemExpanding(LPNMTREEVIEW pnmtv)
+{
+ NodeInfo *pNodeInfo;
+
+ if (pnmtv->action == TVE_COLLAPSE) {
+ if (pnmtv->itemNew.hItem == hRoot)
+ {
+ // Prenvent root from collapsing
+ pnmtv->itemNew.mask |= TVIF_STATE;
+ pnmtv->itemNew.stateMask |= TVIS_EXPANDED;
+ pnmtv->itemNew.state &= ~TVIS_EXPANDED;
+ pnmtv->action = TVE_EXPAND;
+ return TRUE;
+ }
+ }
+ if (pnmtv->action == TVE_EXPAND) {
+ // Grab our directory PIDL
+ pNodeInfo = GetNodeInfo(pnmtv->itemNew.hItem);
+ // We have it, let's try
+ if (pNodeInfo && !pNodeInfo->expanded)
+ if (!InsertSubitems(pnmtv->itemNew.hItem, pNodeInfo)) {
+ // remove subitem "+" since we failed to add subitems
+ TV_ITEM tvItem;
+
+ tvItem.mask = TVIF_CHILDREN;
+ tvItem.hItem = pnmtv->itemNew.hItem;
+ tvItem.cChildren = 0;
+
+ TreeView_SetItem(m_hWnd, &tvItem);
+ }
+ }
+ return FALSE;
+}
+
+// *** Helper functions ***
+HTREEITEM CExplorerBand::InsertItem(HTREEITEM hParent, IShellFolder *psfParent,
LPITEMIDLIST pElt, LPITEMIDLIST pEltRelative, BOOL bSort)
+{
+ TV_INSERTSTRUCT tvInsert;
+ HTREEITEM htiCreated;
+
+ /* Get the attributes of the node */
+ SFGAOF attrs = SFGAO_STREAM | SFGAO_HASSUBFOLDER;
+ HRESULT hr = psfParent->GetAttributesOf(1, &pEltRelative, &attrs);
+ if (FAILED_UNEXPECTEDLY(hr))
+ return NULL;
+
+ /* Ignore streams */
+ if ((attrs & SFGAO_STREAM))
+ {
+ TRACE("Ignoring stream\n");
+ return NULL;
+ }
+
+ /* Get the name of the node */
+ WCHAR wszDisplayName[MAX_PATH];
+ if (!ILGetDisplayNameEx(psfParent, pEltRelative, wszDisplayName, ILGDN_INFOLDER))
+ {
+ ERR("Failed to get node name\n");
+ return NULL;
+ }
+
+ /* Get the icon of the node */
+ INT iIcon = SHMapPIDLToSystemImageListIndex(psfParent, pEltRelative, NULL);
+
+ NodeInfo* pChildInfo = new NodeInfo;
+ if (!pChildInfo)
+ {
+ ERR("Failed to allocate NodeInfo\n");
+ return FALSE;
+ }
+
+ // Store our node info
+ pChildInfo->absolutePidl = ILClone(pElt);
+ pChildInfo->relativePidl = ILClone(pEltRelative);
+ pChildInfo->expanded = FALSE;
+
+ // Set up our treeview template
+ tvInsert.hParent = hParent;
+ tvInsert.hInsertAfter = TVI_LAST;
+ tvInsert.item.mask = TVIF_PARAM | TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE |
TVIF_CHILDREN;
+ tvInsert.item.cchTextMax = MAX_PATH;
+ tvInsert.item.pszText = wszDisplayName;
+ tvInsert.item.iImage = tvInsert.item.iSelectedImage = iIcon;
+ tvInsert.item.cChildren = (attrs & SFGAO_HASSUBFOLDER) ? 1 : 0;
+ tvInsert.item.lParam = (LPARAM)pChildInfo;
+
+ htiCreated = TreeView_InsertItem(m_hWnd, &tvInsert);
+
+ return htiCreated;
+}
+
+BOOL CExplorerBand::InsertSubitems(HTREEITEM hItem, NodeInfo *pNodeInfo)
+{
+ CComPtr<IEnumIDList> pEnumIDList;
+ LPITEMIDLIST pidlSub;
+ LPITEMIDLIST entry;
+ SHCONTF EnumFlags;
+ HRESULT hr;
+ ULONG fetched;
+ ULONG uItemCount;
+ CComPtr<IShellFolder> pFolder;
+
+ entry = pNodeInfo->absolutePidl;
+ fetched = 1;
+ uItemCount = 0;
+ EnumFlags = SHCONTF_FOLDERS;
+
+ hr = SHGetFolderLocation(m_hWnd, CSIDL_DESKTOP, NULL, 0, &pidlSub);
+ if (!SUCCEEDED(hr))
+ {
+ ERR("Can't get desktop PIDL !\n");
+ return FALSE;
+ }
+
+ if (!pDesktop->CompareIDs(NULL, pidlSub, entry))
+ {
+ // We are the desktop, so use pDesktop as pFolder
+ pFolder = pDesktop;
+ }
+ else
+ {
+ // Get an IShellFolder of our pidl
+ hr = pDesktop->BindToObject(entry, NULL, IID_PPV_ARG(IShellFolder,
&pFolder));
+ if (!SUCCEEDED(hr))
+ {
+ ILFree(pidlSub);
+ ERR("Can't bind folder to desktop !\n");
+ return FALSE;
+ }
+ }
+ ILFree(pidlSub);
+
+ // TODO: handle hidden folders according to settings !
+ EnumFlags |= SHCONTF_INCLUDEHIDDEN;
+
+ // Enum through objects
+ hr = pFolder->EnumObjects(NULL,EnumFlags,&pEnumIDList);
+
+ // avoid broken IShellFolder implementations that return null pointer with success
+ if (!SUCCEEDED(hr) || !pEnumIDList)
+ {
+ ERR("Can't enum the folder !\n");
+ return FALSE;
+ }
+
+ /* Don't redraw while we add stuff into the tree */
+ SendMessage(WM_SETREDRAW, FALSE, 0);
+ while(SUCCEEDED(pEnumIDList->Next(1, &pidlSub, &fetched)) &&
pidlSub && fetched)
+ {
+ LPITEMIDLIST pidlSubComplete;
+ pidlSubComplete = ILCombine(entry, pidlSub);
+
+ if (InsertItem(hItem, pFolder, pidlSubComplete, pidlSub, FALSE))
+ uItemCount++;
+ ILFree(pidlSubComplete);
+ ILFree(pidlSub);
+ }
+ pNodeInfo->expanded = TRUE;
+
+ /* Now we can redraw */
+ SendMessage(WM_SETREDRAW, TRUE, 0);
+
+ return (uItemCount > 0) ? TRUE : FALSE;
}
// *** IOleWindow methods ***
@@ -273,8 +550,19 @@
// *** IWinEventHandler methods ***
HRESULT STDMETHODCALLTYPE CExplorerBand::OnWinEvent(HWND hWnd, UINT uMsg, WPARAM wParam,
LPARAM lParam, LRESULT *theResult)
{
- UNIMPLEMENTED;
- return E_NOTIMPL;
+ if (uMsg == WM_NOTIFY)
+ {
+ NMHDR *pNotifyHeader = (NMHDR*)lParam;
+ switch (pNotifyHeader->code)
+ {
+ case TVN_ITEMEXPANDING:
+ *theResult = OnTreeItemExpanding((LPNMTREEVIEW)lParam);
+ break;
+ default:
+ break;
+ }
+ }
+ return S_OK;
}
HRESULT STDMETHODCALLTYPE CExplorerBand::IsWindowOwner(HWND hWnd)
Modified: trunk/reactos/dll/win32/browseui/explorerband.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/browseui/explore…
==============================================================================
--- trunk/reactos/dll/win32/browseui/explorerband.h [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/browseui/explorerband.h [iso-8859-1] Fri Jun 3 19:35:33 2016
@@ -1,3 +1,23 @@
+/*
+ * ReactOS Explorer
+ *
+ * Copyright 2016 Sylvain Deverre <deverre dot sylv at gmail dot com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
#pragma once
#define WM_USER_SHELLEVENT WM_USER+88
@@ -32,14 +52,28 @@
// *** BaseBarSite information ***
CComPtr<IUnknown> pSite;
-
+ CComPtr<IShellFolder> pDesktop;
+
// *** tree explorer band stuff ***
BOOL fVisible;
BOOL bFocused;
DWORD dwBandID;
-
+ HIMAGELIST hImageList;
+ HTREEITEM hRoot;
+
+ // *** notification cookies ***
+ DWORD adviseCookie;
+ ULONG shellRegID;
+
void InitializeExplorerBand();
void DestroyExplorerBand();
+
+ BOOL OnTreeItemExpanding(LPNMTREEVIEW pnmtv);
+
+ // *** Helper functions ***
+ NodeInfo* GetNodeInfo(HTREEITEM hItem);
+ HTREEITEM InsertItem(HTREEITEM hParent, IShellFolder *psfParent, LPITEMIDLIST pElt,
LPITEMIDLIST pEltRelative, BOOL bSort);
+ BOOL InsertSubitems(HTREEITEM hItem, NodeInfo *pNodeInfo);
public:
CExplorerBand();
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