Implemented a progress window: it will be shown after one second in case the translator

supports it - currently, only the RAW image translator does this (as it needs about 10
seconds to open a 6 mio. pixel RAW image on a 2.6 GHz P4).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20650 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/showimage/Jamfile

@@ -4,7 +4,8 @@ UsePrivateHeaders tracker ;
 
 SetSubDirSupportedPlatformsBeOSCompatible ;
 
-Application ShowImage : ShowImageApp.cpp
+Application ShowImage :
+	ShowImageApp.cpp
 	ShowImageSettings.cpp
 	ShowImageStatusView.cpp
 	ShowImageUndo.cpp
@@ -14,6 +15,7 @@ Application ShowImage : ShowImageApp.cpp
 	Filter.cpp
 	EntryMenuItem.cpp
 	BackgroundImage.cpp
+	ProgressWindow.cpp
 	ResizerWindow.cpp
 	: be tracker translation
 	: ShowImage.rdef

src/apps/showimage/ProgressWindow.cpp

@@ -0,0 +1,116 @@
+/*
+ * Copyright 2007, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "ProgressWindow.h"
+
+#include <Autolock.h>
+#include <MessageRunner.h>
+#include <Screen.h>
+#include <StatusBar.h>
+
+#include <stdio.h>
+
+
+static const uint32 kMsgShow = 'show';
+static const uint32 kMsgStatusUpdate = 'SIup';
+
+
+ProgressWindow::ProgressWindow(BWindow* referenceWindow)
+	: BWindow(BRect(0, 0, 250, 100), "Progress Monitor",
+		B_MODAL_WINDOW_LOOK, B_FLOATING_APP_WINDOW_FEEL,
+		B_NOT_ZOOMABLE | B_NOT_RESIZABLE | B_ASYNCHRONOUS_CONTROLS),
+	fRunner(NULL)
+{
+	BRect rect = Bounds();
+
+	BView *view = new BView(rect, NULL, B_FOLLOW_ALL, B_WILL_DRAW);
+	view->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
+	AddChild(view);
+
+	rect = view->Bounds().InsetByCopy(5, 5);
+	fStatusBar = new BStatusBar(rect, "status", NULL, NULL);
+	float width, height;
+	fStatusBar->GetPreferredSize(&width, &height);
+	fStatusBar->ResizeTo(rect.Width(), height);
+	fStatusBar->SetResizingMode(B_FOLLOW_TOP | B_FOLLOW_LEFT_RIGHT);
+	view->AddChild(fStatusBar);
+
+	BScreen screen(referenceWindow);
+	ResizeTo(Bounds().Width(), height + 9);
+	MoveTo(screen.Frame().left + 5, screen.Frame().bottom - Bounds().Height() - 5);
+
+	Run();
+}
+
+
+ProgressWindow::~ProgressWindow()
+{
+	delete fRunner;
+}
+
+
+void
+ProgressWindow::Start()
+{
+	BAutolock _(this);
+
+	fRetrievedUpdate = false;
+	fRetrievedShow = false;
+	delete fRunner;
+
+	BMessage show(kMsgShow);
+	fRunner = new BMessageRunner(this, &show, 1000000, 1);
+}
+
+
+void
+ProgressWindow::Stop()
+{
+	BAutolock _(this);
+
+	delete fRunner;
+	fRunner = NULL;
+
+	if (!IsHidden())
+		Hide();
+}
+
+
+void
+ProgressWindow::MessageReceived(BMessage *message)
+{
+	switch (message->what) {
+		case kMsgShow:
+			if (fRetrievedUpdate && IsHidden()) {
+				Show();
+				Minimize(false);
+			}
+
+			fRetrievedShow = true;
+			break;
+
+		case kMsgStatusUpdate:
+			float percent;
+			if (message->FindFloat("percent", &percent) == B_OK)
+				fStatusBar->Update(percent - fStatusBar->CurrentValue());
+
+			const char *text;
+			if (message->FindString("message", &text) == B_OK)
+				fStatusBar->SetText(text);
+
+			fRetrievedUpdate = true;
+
+			if (fRetrievedShow && IsHidden()) {
+				Show();
+				Minimize(false);
+			}
+			break;
+
+		default:
+			BWindow::MessageReceived(message);
+	}
+}
+

src/apps/showimage/ProgressWindow.h

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2007, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef PROGRESS_WINDOW_H
+#define PROGRESS_WINDOW_H
+
+
+#include <Window.h>
+
+class BMessageRunner;
+class BStatusBar;
+
+
+class ProgressWindow : public BWindow {
+	public:
+		ProgressWindow(BWindow* referenceWindow);
+		virtual ~ProgressWindow();
+
+		virtual void MessageReceived(BMessage *message);
+
+		void Start();
+		void Stop();
+
+	private:
+		BStatusBar*		fStatusBar;
+		BMessageRunner*	fRunner;
+		bool			fRetrievedUpdate;
+		bool			fRetrievedShow;
+};
+
+#endif	// PROGRESS_WINDOW_H

src/apps/showimage/ShowImageView.cpp

@@ -14,6 +14,7 @@
  */
 
 
+#include "ProgressWindow.h"
 #include "ShowImageApp.h"
 #include "ShowImageConstants.h"
 #include "ShowImageView.h"
@@ -175,7 +176,8 @@ PopUpMenu::~PopUpMenu()
 
 ShowImageView::ShowImageView(BRect rect, const char *name, uint32 resizingMode,
 		uint32 flags)
-	: BView(rect, name, resizingMode, flags)
+	: BView(rect, name, resizingMode, flags),
+	fProgressWindow(NULL)
 {
 	ShowImageSettings* settings;
 	settings = my_app->Settings();
@@ -488,17 +490,28 @@ ShowImageView::SetImage(const entry_ref *ref)
 		// if new image, reset to first document
 		fDocumentIndex = 1;
 	}
+
 	if (ioExtension.AddInt32("/documentIndex", fDocumentIndex) != B_OK)
 		return B_ERROR;
-	if (roster->Identify(&file, &ioExtension, &info, 0, NULL,
+
-			B_TRANSLATOR_BITMAP) != B_OK)
+	if (ioExtension.AddMessenger("/progressMonitor", fProgressWindow) == B_OK)
-		return B_ERROR;
+		fProgressWindow->Start();
 
 	// Translate image data and create a new ShowImage window
+
 	BBitmapStream outstream;
-	if (roster->Translate(&file, &info, &ioExtension, &outstream,
+
-			B_TRANSLATOR_BITMAP) != B_OK)
+	status_t status = roster->Identify(&file, &ioExtension, &info, 0, NULL,
-		return B_ERROR;
+		B_TRANSLATOR_BITMAP);
+	if (status == B_OK) {
+		status = roster->Translate(&file, &info, &ioExtension, &outstream,
+			B_TRANSLATOR_BITMAP);
+	}
+
+	fProgressWindow->Stop();
+
+	if (status != B_OK)
+		return status;
 
 	BBitmap *newBitmap = NULL;
 	if (outstream.DetachBitmap(&newBitmap) != B_OK)
@@ -565,8 +578,8 @@ ShowImageView::SetImage(const entry_ref *ref)
 
 	// get the number of documents (pages) if it has been supplied
 	int32 documentCount = 0;
-	if (ioExtension.FindInt32("/documentCount", &documentCount) == B_OK &&
+	if (ioExtension.FindInt32("/documentCount", &documentCount) == B_OK
-			documentCount > 0)
+		&& documentCount > 0)
 		fDocumentCount = documentCount;
 	else
 		fDocumentCount = 1;
@@ -719,6 +732,16 @@ ShowImageView::AttachedToWindow()
 {
 	fUndo.SetWindow(Window());
 	FixupScrollBars();
+
+	fProgressWindow = new ProgressWindow(Window());
+}
+
+
+void
+ShowImageView::DetachedFromWindow()
+{
+	fProgressWindow->Lock();
+	fProgressWindow->Quit();
 }
 
 

src/apps/showimage/ShowImageView.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2003-2006, Haiku, Inc. All Rights Reserved.
+ * Copyright 2003-2007, Haiku, Inc. All Rights Reserved.
  * Copyright 2004-2005 yellowTAB GmbH. All Rights Reserverd.
  * Copyright 2006 Bernd Korz. All Rights Reserved
  * Distributed under the terms of the MIT License.
@@ -36,6 +36,8 @@
 // the delay time for hiding the cursor in 1/10 seconds (the pulse rate)
 #define HIDE_CURSOR_DELAY_TIME 20
 
+class ProgressWindow;
+
 class ShowImageView : public BView {
 	public:
 		ShowImageView(BRect rect, const char *name, uint32 resizingMode,
@@ -43,6 +45,7 @@ class ShowImageView : public BView {
 		virtual ~ShowImageView();
 
 		virtual void AttachedToWindow();
+		virtual void DetachedFromWindow();
 		virtual void Draw(BRect updateRect);
 		virtual void FrameResized(float width, float height);
 		virtual void MouseDown(BPoint point);
@@ -249,6 +252,8 @@ class ShowImageView : public BView {
 		int fHideCursorCountDown;	// Hides the cursor when it reaches zero
 		bool fIsActiveWin;			// Is the parent window the active window?
 
+		ProgressWindow* fProgressWindow;
+
 		enum image_orientation fImageOrientation;
 		static enum image_orientation fTransformation[
 			ImageProcessor::kNumberOfAffineTransformations][kNumberOfOrientations];