src/apps/showimage/ProgressWindow.cpp

   1 /*
   2  * Copyright 2007-2010, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include "ProgressWindow.h"
   8
   9 #include <stdio.h>
  10 #include <string.h>
  11
  12 #include <Autolock.h>
  13 #include <Catalog.h>
  14 #include <Locale.h>
  15 #include <MessageRunner.h>
  16 #include <Screen.h>
  17 #include <StatusBar.h>
  18
  19 #include "ShowImageConstants.h"
  20
  21
  22 static const uint32 kMsgShow = 'show';
  23
  24 #undef B_TRANSLATION_CONTEXT
  25 #define B_TRANSLATION_CONTEXT "ProgressWindow"
  26
  27
  28 ProgressWindow::ProgressWindow()
  29         :
  30         BWindow(BRect(0, 0, 250, 100), B_TRANSLATE("Progress monitor"),
  31                 B_MODAL_WINDOW_LOOK, B_NORMAL_WINDOW_FEEL,// B_FLOATING_APP_WINDOW_FEEL,
  32                 // TODO: a bug in the app_server prevents an initial floating-app feel
  33                 // to work correctly; the window will then not be visible for the first
  34                 // image, even though it's later set to normal feel in that case.
  35                 B_NOT_ZOOMABLE | B_NOT_RESIZABLE | B_ASYNCHRONOUS_CONTROLS),
  36         fRunner(NULL)
  37 {
  38         BRect rect = Bounds();
  39
  40         BView* view = new BView(rect, NULL, B_FOLLOW_ALL, B_WILL_DRAW);
  41         view->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
  42         AddChild(view);
  43
  44         rect = view->Bounds().InsetByCopy(5, 5);
  45         fStatusBar = new BStatusBar(rect, "status", NULL, NULL);
  46         float width, height;
  47         fStatusBar->GetPreferredSize(&width, &height);
  48         fStatusBar->ResizeTo(rect.Width(), height);
  49         fStatusBar->SetResizingMode(B_FOLLOW_TOP | B_FOLLOW_LEFT_RIGHT);
  50         view->AddChild(fStatusBar);
  51
  52         ResizeTo(Bounds().Width(), height + 9);
  53
  54         Run();
  55 }
  56
  57
  58 ProgressWindow::~ProgressWindow()
  59 {
  60         delete fRunner;
  61 }
  62
  63
  64 void
  65 ProgressWindow::Start(BWindow* referenceWindow, bool center)
  66 {
  67         BAutolock _(this);
  68
  69         BScreen screen(referenceWindow);
  70         if (!center) {
  71                 BMessage settings;
  72                 GetDecoratorSettings(&settings);
  73
  74                 int32 borderWidth;
  75                 if (settings.FindInt32("border width", &borderWidth) != B_OK)
  76                         borderWidth = 5;
  77
  78                 MoveTo(screen.Frame().left + borderWidth,
  79                         screen.Frame().bottom - Bounds().Height() - borderWidth);
  80         } else
  81                 CenterIn(screen.Frame());
  82
  83         SetFeel(referenceWindow->IsHidden()
  84                 ? B_NORMAL_WINDOW_FEEL : B_FLOATING_APP_WINDOW_FEEL);
  85
  86         fRetrievedUpdate = false;
  87         fRetrievedShow = false;
  88         delete fRunner;
  89
  90         BMessage show(kMsgShow);
  91         fRunner = new BMessageRunner(this, &show, 1000000, 1);
  92 }
  93
  94
  95 void
  96 ProgressWindow::Stop()
  97 {
  98         BAutolock _(this);
  99
 100         delete fRunner;
 101         fRunner = NULL;
 102
 103         if (!IsHidden())
 104                 Hide();
 105 }
 106
 107
 108 void
 109 ProgressWindow::MessageReceived(BMessage* message)
 110 {
 111         switch (message->what) {
 112                 case kMsgShow:
 113                         if (fRetrievedUpdate && IsHidden()) {
 114                                 Show();
 115                                 Minimize(false);
 116                         }
 117
 118                         fRetrievedShow = true;
 119                         break;
 120
 121                 case kMsgProgressUpdate:
 122                         float percent;
 123                         if (message->FindFloat("percent", &percent) == B_OK)
 124                                 fStatusBar->Update(percent - fStatusBar->CurrentValue());
 125
 126                         const char* text;
 127                         if (message->FindString("message", &text) == B_OK)
 128                                 fStatusBar->SetText(text);
 129
 130                         fRetrievedUpdate = true;
 131
 132                         if (fRetrievedShow && IsHidden()) {
 133                                 Show();
 134                                 Minimize(false);
 135                         }
 136                         break;
 137
 138                 default:
 139                         BWindow::MessageReceived(message);
 140         }
 141 }
 142