src/apps/cortex/addons/common/MediaNodeControlApp.cpp

   1 /*
   2  * Copyright (c) 1999-2000, Eric Moon.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions, and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions, and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * 3. The name of the author may not be used to endorse or promote products
  17  *    derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21  * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  27  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31
  32 // MediaNodeControlApp.cpp
  33 // e.moon 8jun99
  34
  35 #include "MediaNodeControlApp.h"
  36 #include <Window.h>
  37 #include <View.h>
  38 #include <MediaRoster.h>
  39 #include <MediaTheme.h>
  40 #include <ParameterWeb.h>
  41 #include <String.h>
  42 #include <Alert.h>
  43
  44 #include <cstdlib>
  45 #include <cstring>
  46 #include <cstdio>
  47
  48 // -------------------------------------------------------- //
  49 // ctor/dtor
  50 // -------------------------------------------------------- //
  51
  52 class PanelWindow :
  53         public          BWindow {
  54         typedef BWindow _inherited;
  55 public:
  56         PanelWindow() :
  57                 BWindow(BRect(50, 50, 100, 100), "MediaNodeControlApp",
  58                         B_TITLED_WINDOW,
  59                         B_ASYNCHRONOUS_CONTROLS |
  60                         B_WILL_ACCEPT_FIRST_CLICK) {}
  61
  62         bool QuitRequested() {
  63                 be_app->PostMessage(B_QUIT_REQUESTED);
  64                 return true;
  65         }
  66 };
  67
  68 MediaNodeControlApp::~MediaNodeControlApp() {
  69         BMediaRoster* r = BMediaRoster::Roster();
  70         r->ReleaseNode(m_node);
  71 }
  72
  73 MediaNodeControlApp::MediaNodeControlApp(
  74         const char* pAppSignature,
  75         media_node_id nodeID) :
  76         BApplication(pAppSignature) {
  77
  78         BMediaRoster* r = BMediaRoster::Roster();
  79
  80         // get the node
  81         status_t err = r->GetNodeFor(nodeID, &m_node);
  82         if(err < B_OK) {
  83                 char buffer[512];
  84                 sprintf(buffer,
  85                         "MediaNodeControlApp: couldn't find node (%" B_PRId32 "):\n%s\n",
  86                         nodeID, strerror(err));
  87                 BAlert* alert = new BAlert("error", buffer, "OK");
  88                 alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
  89                 alert->Go();
  90                 return;
  91         }
  92
  93         // fetch info (name)
  94         live_node_info nInfo;
  95         err = r->GetLiveNodeInfo(m_node, &nInfo);
  96         if(err < B_OK) {
  97                 char buffer[512];
  98                 sprintf(buffer,
  99                         "MediaNodeControlApp: couldn't get node info (%" B_PRId32
 100                         "):\n%s\n", nodeID, strerror(err));
 101                 BAlert* alert = new BAlert("error", buffer, "OK");
 102                 alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
 103                 alert->Go();
 104                 return;
 105         }
 106
 107         BString windowTitle;
 108         windowTitle << nInfo.name << '(' << nodeID << ") controls";
 109
 110         // get parameter web
 111         BParameterWeb* pWeb;
 112         err = r->GetParameterWebFor(m_node, &pWeb);
 113         if(err < B_OK) {
 114                 char buffer[512];
 115                 sprintf(buffer,
 116                         "MediaNodeControlApp: no parameters for node (%" B_PRId32
 117                         "):\n%s\n", nodeID, strerror(err));
 118                 BAlert* alert = new BAlert("error", buffer, "OK");
 119                 alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
 120                 alert->Go();
 121                 return;
 122         }
 123
 124         // build & show control window
 125         BView* pView = BMediaTheme::ViewFor(pWeb);
 126         BWindow* pWnd = new PanelWindow();
 127         pWnd->AddChild(pView);
 128         pWnd->ResizeTo(pView->Bounds().Width(), pView->Bounds().Height());
 129         pWnd->SetTitle(windowTitle.String());
 130         pWnd->Show();
 131
 132         // release the node
 133         //r->ReleaseNode(m_node);
 134 }
 135
 136 // END -- MediaNodeControlApp.cpp --