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      1 /*
      2  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "FileChooser.h"
     31 
     32 #include "Icon.h"
     33 
     34 namespace WebCore {
     35 
     36 FileChooserClient::~FileChooserClient()
     37 {
     38 }
     39 
     40 inline FileChooser::FileChooser(FileChooserClient* client, const Vector<String>& initialFilenames)
     41     : m_client(client)
     42     , m_isInitializing(true)
     43 {
     44     m_filenames = initialFilenames;
     45 }
     46 
     47 void FileChooser::initialize()
     48 {
     49     loadIcon();
     50     m_isInitializing = false;
     51 }
     52 
     53 PassRefPtr<FileChooser> FileChooser::create(FileChooserClient* client, const Vector<String>& initialFilenames)
     54 {
     55     RefPtr<FileChooser> chooser(adoptRef(new FileChooser(client, initialFilenames)));
     56     chooser->initialize();
     57     return chooser;
     58 }
     59 
     60 FileChooser::~FileChooser()
     61 {
     62 }
     63 
     64 void FileChooser::clear()
     65 {
     66     m_filenames.clear();
     67     m_icon = 0;
     68 }
     69 
     70 void FileChooser::chooseFile(const String& filename)
     71 {
     72     Vector<String> filenames;
     73     filenames.append(filename);
     74     chooseFiles(filenames);
     75 }
     76 
     77 void FileChooser::chooseFiles(const Vector<String>& filenames)
     78 {
     79     if (m_filenames == filenames)
     80         return;
     81     m_filenames = filenames;
     82     loadIcon();
     83     if (m_client)
     84         m_client->valueChanged();
     85 }
     86 
     87 void FileChooser::loadIcon()
     88 {
     89     if (m_filenames.size() && m_client)
     90         m_client->chooseIconForFiles(this, m_filenames);
     91 }
     92 
     93 void FileChooser::iconLoaded(PassRefPtr<Icon> icon)
     94 {
     95     m_icon = icon;
     96     if (!m_isInitializing && m_icon && m_client)
     97         m_client->repaint();
     98 }
     99 
    100 }
    101