sdext/source/presenter/PresenterButton.cxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: PresenterButton.cxx,v $
  10  *
  11  * $Revision: 1.6 $
  12  *
  13  * This file is part of OpenOffice.org.
  14  *
  15  * OpenOffice.org is free software: you can redistribute it and/or modify
  16  * it under the terms of the GNU Lesser General Public License version 3
  17  * only, as published by the Free Software Foundation.
  18  *
  19  * OpenOffice.org is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU Lesser General Public License version 3 for more details
  23  * (a copy is included in the LICENSE file that accompanied this code).
  24  *
  25  * You should have received a copy of the GNU Lesser General Public License
  26  * version 3 along with OpenOffice.org.  If not, see
  27  * <http://www.openoffice.org/license.html>
  28  * for a copy of the LGPLv3 License.
  29  *
  30  ************************************************************************/
  31
  32 // MARKER(update_precomp.py): autogen include statement, do not remove
  33 #include "precompiled_sdext.hxx"
  34
  35 #include "PresenterButton.hxx"
  36 #include "PresenterCanvasHelper.hxx"
  37 #include "PresenterController.hxx"
  38 #include "PresenterGeometryHelper.hxx"
  39 #include "PresenterPaintManager.hxx"
  40 #include "PresenterUIPainter.hxx"
  41 #include <com/sun/star/awt/PosSize.hpp>
  42 #include <com/sun/star/awt/XWindowPeer.hpp>
  43 #include <com/sun/star/drawing/XPresenterHelper.hpp>
  44 #include <com/sun/star/rendering/CompositeOperation.hpp>
  45 #include <com/sun/star/rendering/TextDirection.hpp>
  46 #include <boost/bind.hpp>
  47
  48 using namespace ::com::sun::star;
  49 using namespace ::com::sun::star::uno;
  50 using ::rtl::OUString;
  51
  52 #define A2S(pString) (::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(pString)))
  53
  54 namespace sdext { namespace presenter {
  55
  56 const static double gnHorizontalBorder (15);
  57 const static double gnVerticalBorder (5);
  58
  59
  60
  61 ::rtl::Reference<PresenterButton> PresenterButton::Create (
  62     const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
  63     const ::rtl::Reference<PresenterController>& rpPresenterController,
  64     const ::boost::shared_ptr<PresenterTheme>& rpTheme,
  65     const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
  66     const css::uno::Reference<css::rendering::XCanvas>& rxParentCanvas,
  67     const OUString& rsConfigurationName)
  68 {
  69     Reference<beans::XPropertySet> xProperties (GetConfigurationProperties(
  70         rxComponentContext,
  71         rsConfigurationName));
  72     if (xProperties.is())
  73     {
  74         OUString sText;
  75         OUString sAction;
  76         PresenterConfigurationAccess::GetProperty(xProperties, A2S("Text")) >>= sText;
  77         PresenterConfigurationAccess::GetProperty(xProperties, A2S("Action")) >>= sAction;
  78
  79         PresenterTheme::SharedFontDescriptor pFont;
  80         if (rpTheme.get() != NULL)
  81             pFont = rpTheme->GetFont(A2S("ButtonFont"));
  82
  83         PresenterTheme::SharedFontDescriptor pMouseOverFont;
  84         if (rpTheme.get() != NULL)
  85             pMouseOverFont = rpTheme->GetFont(A2S("ButtonMouseOverFont"));
  86
  87         rtl::Reference<PresenterButton> pButton (
  88             new PresenterButton(
  89                 rxComponentContext,
  90                 rpPresenterController,
  91                 rpTheme,
  92                 rxParentWindow,
  93                 pFont,
  94                 pMouseOverFont,
  95                 sText,
  96                 sAction));
  97         pButton->SetCanvas(rxParentCanvas, rxParentWindow);
  98         return pButton;
  99     }
 100     else
 101         return NULL;
 102 }
 103
 104
 105
 106
 107 PresenterButton::PresenterButton (
 108     const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
 109     const ::rtl::Reference<PresenterController>& rpPresenterController,
 110     const ::boost::shared_ptr<PresenterTheme>& rpTheme,
 111     const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
 112     const PresenterTheme::SharedFontDescriptor& rpFont,
 113     const PresenterTheme::SharedFontDescriptor& rpMouseOverFont,
 114     const OUString& rsText,
 115     const OUString& rsAction)
 116     : PresenterButtonInterfaceBase(m_aMutex),
 117       mpPresenterController(rpPresenterController),
 118       mpTheme(rpTheme),
 119       mxWindow(),
 120       mxCanvas(),
 121       mxPresenterHelper(),
 122       msText(rsText),
 123       mpFont(rpFont),
 124       mpMouseOverFont(rpMouseOverFont),
 125       msAction(rsAction),
 126       maCenter(),
 127       maButtonSize(-1,-1),
 128       meState(PresenterBitmapDescriptor::Normal),
 129       mxNormalBitmap(),
 130       mxMouseOverBitmap()
 131 {
 132     try
 133     {
 134         Reference<lang::XMultiComponentFactory> xFactory (rxComponentContext->getServiceManager());
 135         if ( ! xFactory.is())
 136             throw RuntimeException();
 137
 138         mxPresenterHelper = Reference<drawing::XPresenterHelper>(
 139             xFactory->createInstanceWithContext(
 140                 OUString::createFromAscii("com.sun.star.comp.Draw.PresenterHelper"),
 141                 rxComponentContext),
 142             UNO_QUERY_THROW);
 143
 144         if (mxPresenterHelper.is())
 145             mxWindow = mxPresenterHelper->createWindow(rxParentWindow,
 146                 sal_False,
 147                 sal_False,
 148                 sal_False,
 149                 sal_False);
 150
 151         // Make the background transparent.
 152         Reference<awt::XWindowPeer> xPeer (mxWindow, UNO_QUERY_THROW);
 153         if (xPeer.is())
 154         {
 155             xPeer->setBackground(0xff000000);
 156         }
 157
 158         mxWindow->setVisible(sal_True);
 159         mxWindow->addWindowListener(this);
 160         mxWindow->addPaintListener(this);
 161         mxWindow->addMouseListener(this);
 162         mxWindow->addMouseMotionListener(this);
 163     }
 164     catch (RuntimeException&)
 165     {
 166     }
 167 }
 168
 169
 170
 171
 172 PresenterButton::~PresenterButton (void)
 173 {
 174 }
 175
 176
 177
 178
 179 void SAL_CALL PresenterButton::disposing (void)
 180 {
 181     if (mxCanvas.is())
 182     {
 183         Reference<lang::XComponent> xComponent (mxCanvas, UNO_QUERY);
 184         mxCanvas = NULL;
 185         if (xComponent.is())
 186             xComponent->dispose();
 187     }
 188
 189     if (mxWindow.is())
 190     {
 191         mxWindow->removeWindowListener(this);
 192         mxWindow->removePaintListener(this);
 193         mxWindow->removeMouseListener(this);
 194         mxWindow->removeMouseMotionListener(this);
 195         Reference<lang::XComponent> xComponent (mxWindow, UNO_QUERY);
 196         mxWindow = NULL;
 197         if (xComponent.is())
 198             xComponent->dispose();
 199     }
 200 }
 201
 202
 203
 204
 205 void PresenterButton::SetCenter (const css::geometry::RealPoint2D& rLocation)
 206 {
 207     if (mxCanvas.is())
 208     {
 209         Invalidate();
 210
 211         maCenter = rLocation;
 212         mxWindow->setPosSize(
 213             sal_Int32(0.5 + maCenter.X - maButtonSize.Width/2),
 214             sal_Int32(0.5 + maCenter.Y - maButtonSize.Height/2),
 215             maButtonSize.Width,
 216             maButtonSize.Height,
 217             awt::PosSize::POSSIZE);
 218
 219         Invalidate();
 220     }
 221     else
 222     {
 223         // The button can not be painted but we can at least store the new center.
 224         maCenter = rLocation;
 225     }
 226 }
 227
 228
 229
 230
 231 void PresenterButton::SetCanvas (
 232     const css::uno::Reference<css::rendering::XCanvas>& rxParentCanvas,
 233     const css::uno::Reference<css::awt::XWindow>& rxParentWindow)
 234 {
 235     if (mxCanvas.is())
 236     {
 237         Reference<lang::XComponent> xComponent (mxCanvas, UNO_QUERY);
 238         mxCanvas = NULL;
 239         if (xComponent.is())
 240             xComponent->dispose();
 241     }
 242
 243     if (mxPresenterHelper.is() && rxParentCanvas.is() && rxParentWindow.is())
 244     {
 245         mxCanvas = mxPresenterHelper->createSharedCanvas (
 246             Reference<rendering::XSpriteCanvas>(rxParentCanvas, UNO_QUERY),
 247             rxParentWindow,
 248             rxParentCanvas,
 249             rxParentWindow,
 250             mxWindow);
 251         if (mxCanvas.is())
 252         {
 253             SetupButtonBitmaps();
 254             SetCenter(maCenter);
 255         }
 256     }
 257 }
 258
 259
 260
 261
 262 css::geometry::IntegerSize2D PresenterButton::GetSize (void)
 263 {
 264     if (maButtonSize.Width < 0)
 265         CalculateButtonSize();
 266     return maButtonSize;
 267 }
 268
 269
 270
 271
 272 //----- XWindowListener -------------------------------------------------------
 273
 274 void SAL_CALL PresenterButton::windowResized (const css::awt::WindowEvent& rEvent)
 275     throw (css::uno::RuntimeException)
 276 {
 277     (void)rEvent;
 278     ThrowIfDisposed();
 279 }
 280
 281
 282
 283
 284
 285 void SAL_CALL PresenterButton::windowMoved (const css::awt::WindowEvent& rEvent)
 286     throw (css::uno::RuntimeException)
 287 {
 288     (void)rEvent;
 289     ThrowIfDisposed();
 290 }
 291
 292
 293
 294
 295 void SAL_CALL PresenterButton::windowShown (const css::lang::EventObject& rEvent)
 296     throw (css::uno::RuntimeException)
 297 {
 298     (void)rEvent;
 299     ThrowIfDisposed();
 300 }
 301
 302
 303
 304
 305 void SAL_CALL PresenterButton::windowHidden (const css::lang::EventObject& rEvent)
 306     throw (css::uno::RuntimeException)
 307 {
 308     (void)rEvent;
 309     ThrowIfDisposed();
 310 }
 311
 312
 313
 314
 315 //----- XPaintListener --------------------------------------------------------
 316
 317 void SAL_CALL PresenterButton::windowPaint (const css::awt::PaintEvent& rEvent)
 318     throw (css::uno::RuntimeException)
 319 {
 320     ThrowIfDisposed();
 321     if (mxWindow.is() && mxCanvas.is())
 322     {
 323         Reference<rendering::XBitmap> xBitmap;
 324         if (meState == PresenterBitmapDescriptor::MouseOver)
 325             xBitmap = mxMouseOverBitmap;
 326         else
 327             xBitmap = mxNormalBitmap;
 328         if ( ! xBitmap.is())
 329             return;
 330
 331         rendering::ViewState aViewState(
 332             geometry::AffineMatrix2D(1,0,0, 0,1,0),
 333             NULL);
 334         rendering::RenderState aRenderState(
 335             geometry::AffineMatrix2D(1,0,0, 0,1,0),
 336             PresenterGeometryHelper::CreatePolygon(rEvent.UpdateRect, mxCanvas->getDevice()),
 337             Sequence<double>(4),
 338             rendering::CompositeOperation::SOURCE);
 339
 340         mxCanvas->drawBitmap(xBitmap, aViewState, aRenderState);
 341
 342         Reference<rendering::XSpriteCanvas> xSpriteCanvas (mxCanvas, UNO_QUERY);
 343         if (xSpriteCanvas.is())
 344             xSpriteCanvas->updateScreen(sal_False);
 345     }
 346 }
 347
 348
 349
 350
 351 //----- XMouseListener --------------------------------------------------------
 352
 353 void SAL_CALL PresenterButton::mousePressed (const css::awt::MouseEvent& rEvent)
 354     throw(css::uno::RuntimeException)
 355 {
 356     (void)rEvent;
 357     ThrowIfDisposed();
 358
 359     meState = PresenterBitmapDescriptor::ButtonDown;
 360 }
 361
 362
 363
 364
 365 void SAL_CALL PresenterButton::mouseReleased (const css::awt::MouseEvent& rEvent)
 366     throw(css::uno::RuntimeException)
 367 {
 368     (void)rEvent;
 369     ThrowIfDisposed();
 370
 371     if (meState == PresenterBitmapDescriptor::ButtonDown)
 372     {
 373         OSL_ASSERT(mpPresenterController.get()!=NULL);
 374         mpPresenterController->DispatchUnoCommand(msAction);
 375
 376         meState = PresenterBitmapDescriptor::Normal;
 377         Invalidate();
 378     }
 379 }
 380
 381
 382
 383
 384 void SAL_CALL PresenterButton::mouseEntered (const css::awt::MouseEvent& rEvent)
 385     throw(css::uno::RuntimeException)
 386 {
 387     (void)rEvent;
 388     ThrowIfDisposed();
 389     meState = PresenterBitmapDescriptor::MouseOver;
 390     Invalidate();
 391 }
 392
 393
 394
 395
 396 void SAL_CALL PresenterButton::mouseExited (const css::awt::MouseEvent& rEvent)
 397     throw(css::uno::RuntimeException)
 398 {
 399     (void)rEvent;
 400     ThrowIfDisposed();
 401     meState = PresenterBitmapDescriptor::Normal;
 402     Invalidate();
 403 }
 404
 405
 406
 407
 408
 409 //----- XMouseMotionListener --------------------------------------------------
 410
 411 void SAL_CALL PresenterButton::mouseMoved (const css::awt::MouseEvent& rEvent)
 412     throw (css::uno::RuntimeException)
 413 {
 414     (void)rEvent;
 415     ThrowIfDisposed();
 416 }
 417
 418
 419
 420
 421 void SAL_CALL PresenterButton::mouseDragged (const css::awt::MouseEvent& rEvent)
 422     throw (css::uno::RuntimeException)
 423 {
 424     (void)rEvent;
 425     ThrowIfDisposed();
 426 }
 427
 428
 429
 430
 431 //----- lang::XEventListener --------------------------------------------------
 432
 433 void SAL_CALL PresenterButton::disposing (const css::lang::EventObject& rEvent)
 434     throw (css::uno::RuntimeException)
 435 {
 436     if (rEvent.Source == mxWindow)
 437         mxWindow = NULL;
 438 }
 439
 440
 441
 442
 443 //-----------------------------------------------------------------------------
 444
 445 css::geometry::IntegerSize2D PresenterButton::CalculateButtonSize (void)
 446 {
 447     if (mpFont.get()!=NULL && !mpFont->mxFont.is() && mxCanvas.is())
 448         mpFont->PrepareFont(mxCanvas);
 449     if (mpFont.get()==NULL || !mpFont->mxFont.is())
 450         return geometry::IntegerSize2D(-1,-1);
 451
 452     geometry::RealSize2D aTextSize (PresenterCanvasHelper::GetTextSize(mpFont->mxFont,msText));
 453
 454     return geometry::IntegerSize2D (
 455         sal_Int32(0.5 + aTextSize.Width + 2*gnHorizontalBorder),
 456         sal_Int32(0.5 + aTextSize.Height + 2*gnVerticalBorder));
 457 }
 458
 459
 460
 461
 462 void PresenterButton::RenderButton (
 463     const Reference<rendering::XCanvas>& rxCanvas,
 464     const geometry::IntegerSize2D& rSize,
 465     const PresenterTheme::SharedFontDescriptor& rpFont,
 466     const PresenterBitmapDescriptor::Mode eMode,
 467     const SharedBitmapDescriptor& rpLeft,
 468     const SharedBitmapDescriptor& rpCenter,
 469     const SharedBitmapDescriptor& rpRight)
 470 {
 471     if ( ! rxCanvas.is())
 472         return;
 473
 474     const awt::Rectangle aBox(0,0, rSize.Width, rSize.Height);
 475
 476     PresenterUIPainter::PaintHorizontalBitmapComposite (
 477         rxCanvas,
 478         aBox,
 479         aBox,
 480         GetBitmap(rpLeft, eMode),
 481         GetBitmap(rpCenter, eMode),
 482         GetBitmap(rpRight, eMode));
 483
 484     sal_Int32 nBottomOffset (
 485         ::std::max(rpLeft->mnYOffset, ::std::max(rpCenter->mnYOffset, rpRight->mnYOffset)));
 486     if (rpFont.get()==NULL || ! rpFont->mxFont.is())
 487         return;
 488
 489     const rendering::StringContext aContext (msText, 0, msText.getLength());
 490     const Reference<rendering::XTextLayout> xLayout (
 491         rpFont->mxFont->createTextLayout(aContext,rendering::TextDirection::WEAK_LEFT_TO_RIGHT,0));
 492     const geometry::RealRectangle2D aTextBBox (xLayout->queryTextBounds());
 493
 494     rendering::RenderState aRenderState (geometry::AffineMatrix2D(1,0,0, 0,1,0), NULL,
 495         Sequence<double>(4), rendering::CompositeOperation::SOURCE);
 496     PresenterCanvasHelper::SetDeviceColor(aRenderState, rpFont->mnColor);
 497     aRenderState.AffineTransform.m02 = (rSize.Width - aTextBBox.X2 + aTextBBox.X1)/2;
 498     aRenderState.AffineTransform.m12 = rSize.Height - aTextBBox.Y2 - gnVerticalBorder - nBottomOffset;
 499
 500     rxCanvas->drawText(
 501         aContext,
 502         rpFont->mxFont,
 503         rendering::ViewState(geometry::AffineMatrix2D(1,0,0, 0,1,0), NULL),
 504         aRenderState,
 505         rendering::TextDirection::WEAK_LEFT_TO_RIGHT);
 506 }
 507
 508
 509
 510
 511 void PresenterButton::Invalidate (void)
 512 {
 513     mpPresenterController->GetPaintManager()->Invalidate(mxWindow);
 514 }
 515
 516
 517
 518
 519 Reference<rendering::XBitmap> PresenterButton::GetBitmap (
 520     const SharedBitmapDescriptor& mpIcon,
 521     const PresenterBitmapDescriptor::Mode eMode)
 522 {
 523     if (mpIcon.get() != NULL)
 524         return mpIcon->GetBitmap(eMode);
 525     else
 526     {
 527         OSL_ASSERT(mpIcon.get()!=NULL);
 528         return NULL;
 529     }
 530 }
 531
 532
 533
 534
 535 void PresenterButton::SetupButtonBitmaps (void)
 536 {
 537     if ( ! mxCanvas.is())
 538         return;
 539     if ( ! mxCanvas->getDevice().is())
 540         return;
 541
 542     // Get the bitmaps for the button border.
 543     SharedBitmapDescriptor pLeftBitmap (mpTheme->GetBitmap(A2S("ButtonFrameLeft")));
 544     SharedBitmapDescriptor pCenterBitmap(mpTheme->GetBitmap(A2S("ButtonFrameCenter")));
 545     SharedBitmapDescriptor pRightBitmap(mpTheme->GetBitmap(A2S("ButtonFrameRight")));
 546
 547     maButtonSize = CalculateButtonSize();
 548
 549     if (maButtonSize.Height<=0 && maButtonSize.Width<= 0)
 550         return;
 551
 552     mxNormalBitmap = mxCanvas->getDevice()->createCompatibleAlphaBitmap(maButtonSize);
 553     Reference<rendering::XCanvas> xCanvas (mxNormalBitmap, UNO_QUERY);
 554     if (xCanvas.is())
 555         RenderButton(
 556             xCanvas,
 557             maButtonSize,
 558             mpFont,
 559             PresenterBitmapDescriptor::Normal,
 560             pLeftBitmap,
 561             pCenterBitmap,
 562             pRightBitmap);
 563
 564     mxMouseOverBitmap = mxCanvas->getDevice()->createCompatibleAlphaBitmap(maButtonSize);
 565     xCanvas = Reference<rendering::XCanvas>(mxMouseOverBitmap, UNO_QUERY);
 566     if (mpMouseOverFont.get()!=NULL && !mpMouseOverFont->mxFont.is() && mxCanvas.is())
 567         mpMouseOverFont->PrepareFont(mxCanvas);
 568     if (xCanvas.is())
 569         RenderButton(
 570             xCanvas,
 571             maButtonSize,
 572             mpMouseOverFont,
 573             PresenterBitmapDescriptor::MouseOver,
 574             pLeftBitmap,
 575             pCenterBitmap,
 576             pRightBitmap);
 577 }
 578
 579
 580
 581
 582 Reference<beans::XPropertySet> PresenterButton::GetConfigurationProperties (
 583     const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
 584     const OUString& rsConfgurationName)
 585 {
 586     PresenterConfigurationAccess aConfiguration (
 587         rxComponentContext,
 588         PresenterConfigurationAccess::msPresenterScreenRootName,
 589         PresenterConfigurationAccess::READ_ONLY);
 590     return Reference<beans::XPropertySet>(
 591         PresenterConfigurationAccess::Find (
 592             Reference<container::XNameAccess>(
 593                 aConfiguration.GetConfigurationNode(A2S("PresenterScreenSettings/Buttons")),
 594                 UNO_QUERY),
 595             ::boost::bind(&PresenterConfigurationAccess::IsStringPropertyEqual,
 596                 rsConfgurationName,
 597                 A2S("Name"),
 598                 _2)),
 599         UNO_QUERY);
 600 }
 601
 602
 603
 604
 605 void PresenterButton::ThrowIfDisposed (void) const
 606     throw (::com::sun::star::lang::DisposedException)
 607 {
 608     if (rBHelper.bDisposed || rBHelper.bInDispose)
 609     {
 610         throw lang::DisposedException (
 611             OUString(RTL_CONSTASCII_USTRINGPARAM(
 612                 "PresenterButton object has already been disposed")),
 613             const_cast<uno::XWeak*>(static_cast<const uno::XWeak*>(this)));
 614     }
 615 }
 616
 617
 618 } } // end of namespace sdext::presenter