(C) An X-Ryl669 project 2007
This document describes Unlimited Zooming Interface source code. UZI stands for Unlimited Zooming Interface, and source code license is
00001 /* 00002 ============================================================================== 00003 00004 This is an automatically generated file created by the Jucer! 00005 00006 Creation date: 11 Apr 2007 9:50:04 am 00007 00008 Be careful when adding custom code to these files, as only the code within 00009 the "//[xyz]" and "//[/xyz]" sections will be retained when the file is loaded 00010 and re-saved. 00011 00012 ------------------------------------------------------------------------------ 00013 00014 The Jucer is part of the JUCE library - "Jules' Utility Class Extensions" 00015 Copyright 2004-6 by Raw Material Software ltd. 00016 00017 ============================================================================== 00018 */ 00019 00020 #ifndef __JUCER_HEADER_BROWSERCONTENT_BROWSERCONTENT_A7439D3C__ 00021 #define __JUCER_HEADER_BROWSERCONTENT_BROWSERCONTENT_A7439D3C__ 00022 00023 //[Headers] -- You can add your own extra header files here -- 00024 #include "../UZIBase.hpp" 00025 // We need URL change updater 00026 #include "../URLChangeUpdater.hpp" 00027 // We need parser declaration 00028 #include "../../HTMLParser/Parser.hpp" 00029 // We need renderer declaration 00030 #include "../../HTMLRenderer/GenericRenderer.hpp" 00031 // We need CSS parser component 00032 #include "../../CSSParser/CSSParser.hpp" 00033 // We need URL handler 00034 #include "../../Network/URLHandler.hpp" 00035 // We need cache support 00036 #include "../DocumentFetcher.hpp" 00037 // We need the error log component 00038 #include "ErrorLogComponent.hpp" 00039 // We need the DOM tree viewer 00040 #include "DOMTreeViewer.hpp" 00041 //[/Headers] 00042 00043 00044 namespace juce 00045 { 00046 //============================================================================== 00054 class BrowserContent : public Component 00055 , public HTML::Renderer::RequiredRendererImplementation 00056 { 00057 public: 00058 //============================================================================== 00059 BrowserContent (const String & browsedURL); 00060 ~BrowserContent(); 00061 00062 //============================================================================== 00063 //[UserMethods] -- You can add your own custom methods in this section. 00064 // RequiredRendererImplementation implementation 00065 public: 00068 virtual CSS::Font * getDefaultFont(); 00072 virtual CSS::Font * getBolderFont(CSS::Font * font); 00077 virtual CSS::Font * getScaledFont(CSS::Font * font, const float scale); 00083 virtual CSS::Font * getColouredFont(CSS::Font * font, const CSS::Colour & color); 00087 virtual CSS::Font * getItalicFont(CSS::Font * font); 00091 virtual CSS::Font * getMonospaceFont(CSS::Font * font); 00095 virtual uint32 getRenderedWidthOf(HTML::Renderer::Box * box); 00099 virtual uint32 getRenderedHeightOf(HTML::Renderer::Box * box); 00103 virtual uint32 getMinimumWidthOf(HTML::Renderer::Box * box); 00107 virtual uint32 getMinimumHeightOf(HTML::Renderer::Box * box); 00143 virtual bool getSplitLimitsOf(HTML::Renderer::Box * box, const int32 boxLeft, const int32 boxRight, const int32 top, const int32 left, int32 & right, int32 & bottom); 00162 virtual HTML::Renderer::TableLayout * getNewTableLayout(const HTML::Renderer::BoxHierarchy * box); 00169 virtual HTML::Renderer::TableLayout * getKnownTableLayout(const HTML::Renderer::BoxHierarchy * box); 00204 virtual bool getMinAndMaxWidthOf(HTML::Renderer::Box * box, int32 & minimumWidth, int32 & maximumWidth); 00205 00207 void drawSplitText(Graphics & g, HTML::Renderer::Box * box, juce::Justification just); 00208 00209 // Dummy document loading 00210 bool loadTestDocument(); 00211 // Real document loading 00212 bool loadDocument(); 00213 00215 inline juce::Colour convertFrom(const CSS::Colour & color) const { return juce::Colour(color.R, color.G, color.B, (uint8)(255 - (uint32)color.A)); } 00217 inline juce::String convertFrom(const DOM::DOMString & string) const { return juce::String::fromUTF8((const unsigned char*)string.getData(), string.getLength()); } 00218 00220 inline juce::Image * loadImage(const Strings::FastString & url) const; 00221 00227 int32 requiredHeightAfterRendering(); 00228 00232 int fastWidgetArrayLookup(const HTML::Renderer::BoxHierarchy * box) const; 00233 00237 int fastLinkArrayLookup(const HTML::Renderer::BoxHierarchy * box) const; 00238 00242 const HTML::Renderer::BoxHierarchy * BrowserContent::linkHitTest(const Point & point) const; 00243 00244 00246 inline const String getSourceText() 00247 { 00248 if (!parser) return String::empty; 00249 if (!itemGroup) return String::empty; 00250 00251 volatile Cache::Item * item = holder.findItemFromURL(currentURL.asURI()); 00252 if (!item) return String::empty; 00253 return String::fromUTF8((const uint8* const)item->getData(), item->getDataSize()); 00254 } 00255 00257 inline void showErrors() 00258 { 00259 ErrorLogComponent component(parser, communicationHeaders); 00260 component.setSize(600, 400); 00261 DialogWindow::showModalDialog(JUCE_T("Error console"), &component, this, Colours::floralwhite, true, true, false); 00262 } 00263 00265 inline void showDOMTree() 00266 { 00267 DOMTreeViewer component(parser->getDOMTree()); 00268 component.setSize(600, 400); 00269 DialogWindow::showModalDialog(JUCE_T("DOM Tree"), &component, this, Colours::floralwhite, true, true, false); 00270 } 00271 00273 void setUpdater(URLChangeUpdate * _urlUpdater) { urlUpdater = _urlUpdater; } 00274 //[/UserMethods] 00275 00276 void paint (Graphics& g); 00277 void resized(); 00278 void visibilityChanged(); 00279 void moved(); 00280 void parentHierarchyChanged(); 00281 void parentSizeChanged(); 00282 void lookAndFeelChanged(); 00283 bool hitTest (int x, int y); 00284 void broughtToFront(); 00285 bool filesDropped (const StringArray& filenames, int mouseX, int mouseY); 00286 void handleCommandMessage (int commandId); 00287 void childrenChanged(); 00288 void enablementChanged(); 00289 void mouseMove (const MouseEvent& e); 00290 void mouseEnter (const MouseEvent& e); 00291 void mouseExit (const MouseEvent& e); 00292 void mouseDown (const MouseEvent& e); 00293 void mouseDrag (const MouseEvent& e); 00294 void mouseUp (const MouseEvent& e); 00295 void mouseDoubleClick (const MouseEvent& e); 00296 void mouseWheelMove (const MouseEvent& e, float wheelIncrementX, float wheelIncrementY); 00297 // void keyPressed (const KeyPress& key); 00298 // void keyStateChanged(); 00299 void modifierKeysChanged (const ModifierKeys& modifiers); 00300 void focusGained (FocusChangeType cause); 00301 void focusLost (FocusChangeType cause); 00302 void focusOfChildComponentChanged (FocusChangeType cause); 00303 void inputAttemptWhenModal(); 00304 00305 00306 //============================================================================== 00307 juce_UseDebuggingNewOperator 00308 00309 private: 00310 //[UserVariables] -- You can add your own custom variables in this section. 00312 HTML::Elements::Allocators::SimpleHeap elementAllocator; 00314 HTML::Renderer::Allocators::SimpleHeap boxAllocator; 00316 Stream::InputStream * IS; 00318 HTML::Parser * parser; 00320 HTML::Renderer::Mapper * mapper; 00321 00323 struct FontMap 00324 { 00326 juce::Font font; 00328 CSS::Font mappedFont; 00329 00331 FontMap(const juce::String & faceName, const float size, const uint32 UID, const CSS::Colour & color) 00332 : font(faceName, size, juce::Font::plain), mappedFont(new CSS::AbsoluteLength(size, CSS::AbsoluteLength::px), UID, color) 00333 { } 00335 ~FontMap() { delete mappedFont.size; } 00336 }; 00337 00339 struct Widgets : public juce::ListBoxModel 00340 { 00342 juce::Component * component; 00344 const HTML::Renderer::BoxHierarchy * box; 00346 StringArray options; 00347 00349 Widgets(juce::Component * _component, const HTML::Renderer::BoxHierarchy * _box) : component(_component), box(_box) 00350 {} 00352 ~Widgets() { deleteAndZero(component); } 00353 00355 static inline int compareElements (const Widgets * first, const Widgets * second) 00356 { 00357 return first->box < second->box ? -1 : (first->box == second->box ? 0 : 1); 00358 } 00359 00361 virtual int getNumRows () { return options.size(); } 00362 virtual void paintListBoxItem (int rowNumber, Graphics &g, int width, int height, bool rowIsSelected) 00363 { 00364 g.fillAll(rowIsSelected ? LookAndFeel::getDefaultLookAndFeel().findColour(ListBox::backgroundColourId) : Colours::white); 00365 g.drawText(options[rowNumber], 0, 0, width, height, Justification::centredLeft, true); 00366 } 00367 }; 00368 00370 struct LinkArea 00371 { 00373 Rectangle area; 00375 const HTML::Renderer::BoxHierarchy * box; 00376 00378 static inline int compareElements (const LinkArea * first, const LinkArea * second) 00379 { 00380 return first->box < second->box ? -1 : (first->box == second->box ? 0 : 1); 00381 } 00382 00383 LinkArea(const Rectangle & _area, const HTML::Renderer::BoxHierarchy * _box) : area(_area), box(_box) 00384 {} 00385 }; 00386 00387 00388 00390 juce::OwnedArray<FontMap> fontArray; 00392 Network::URL currentURL; 00394 juce::OwnedArray<Widgets> widgetArray; 00396 typedef Tree::AVL::Tree<HTML::Renderer::TableLayout *, uint32, Comparator::DefaultComparator, Tree::AVL::PointerDeletion<HTML::Renderer::TableLayout *, uint32> > TableArray; 00398 TableArray tableLayoutArray; 00400 juce::OwnedArray<LinkArea> linksArray; 00401 00403 mutable Cache::Holder holder; 00405 UZI::DocumentFetcher fetcher; 00407 Cache::Holder::ItemGroup * itemGroup; 00409 String communicationHeaders; 00411 URLChangeUpdate * urlUpdater; 00412 //[/UserVariables] 00413 00414 //============================================================================== 00415 00416 00417 //============================================================================== 00418 // (prevent copy constructor and operator= being generated..) 00419 BrowserContent (const BrowserContent&); 00420 const BrowserContent& operator= (const BrowserContent&); 00421 }; 00422 00423 } 00424 00425 #endif // __JUCER_HEADER_BROWSERCONTENT_BROWSERCONTENT_A7439D3C__