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      1 /*
      2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
      3 * Copyright (C) 2007-2009 Torch Mobile, Inc.
      4 *
      5 * This library is free software; you can redistribute it and/or
      6 * modify it under the terms of the GNU Library General Public
      7 * License as published by the Free Software Foundation; either
      8 * version 2 of the License, or (at your option) any later version.
      9 *
     10 * This library is distributed in the hope that it will be useful,
     11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13 * Library General Public License for more details.
     14 *
     15 * You should have received a copy of the GNU Library General Public License
     16 * along with this library; see the file COPYING.LIB.  If not, write to
     17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18 * Boston, MA 02110-1301, USA.
     19 *
     20 */
     21 
     22 #include "config.h"
     23 #include "Icon.h"
     24 
     25 #include "GraphicsContext.h"
     26 #include "LocalWindowsContext.h"
     27 #include "PlatformString.h"
     28 #include <windows.h>
     29 
     30 #if OS(WINCE)
     31 // SHGFI_SHELLICONSIZE is not available on WINCE
     32 #define SHGFI_SHELLICONSIZE         0
     33 #endif
     34 
     35 namespace WebCore {
     36 
     37 static const int shell32MultipleFileIconIndex = 54;
     38 
     39 Icon::Icon(HICON icon)
     40     : m_hIcon(icon)
     41 {
     42     ASSERT(icon);
     43 }
     44 
     45 Icon::~Icon()
     46 {
     47     DestroyIcon(m_hIcon);
     48 }
     49 
     50 // FIXME: Move the code to ChromeClient::iconForFiles().
     51 PassRefPtr<Icon> Icon::createIconForFiles(const Vector<String>& filenames)
     52 {
     53     if (filenames.isEmpty())
     54         return 0;
     55 
     56     if (filenames.size() == 1) {
     57         SHFILEINFO sfi;
     58         memset(&sfi, 0, sizeof(sfi));
     59 
     60         String tmpFilename = filenames[0];
     61         if (!SHGetFileInfo(tmpFilename.charactersWithNullTermination(), 0, &sfi, sizeof(sfi), SHGFI_ICON | SHGFI_SHELLICONSIZE | SHGFI_SMALLICON))
     62             return 0;
     63 
     64         return adoptRef(new Icon(sfi.hIcon));
     65     }
     66 
     67 #if OS(WINCE)
     68     return 0;
     69 #else
     70     WCHAR buffer[MAX_PATH];
     71     UINT length = ::GetSystemDirectoryW(buffer, WTF_ARRAY_LENGTH(buffer));
     72     if (!length)
     73         return 0;
     74 
     75     if (wcscat_s(buffer, L"\\shell32.dll"))
     76         return 0;
     77 
     78     HICON hIcon;
     79     if (!::ExtractIconExW(buffer, shell32MultipleFileIconIndex, 0, &hIcon, 1))
     80         return 0;
     81     return adoptRef(new Icon(hIcon));
     82 #endif
     83 }
     84 
     85 void Icon::paint(GraphicsContext* context, const IntRect& r)
     86 {
     87     if (context->paintingDisabled())
     88         return;
     89 
     90 #if OS(WINCE)
     91     context->drawIcon(m_hIcon, r, DI_NORMAL);
     92 #else
     93     LocalWindowsContext windowContext(context, r);
     94     DrawIconEx(windowContext.hdc(), r.x(), r.y(), m_hIcon, r.width(), r.height(), 0, 0, DI_NORMAL);
     95 #endif
     96 }
     97 
     98 }
     99