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		92392398a2
		
	
	
	
	
		
			
			* A PageView is a view onto a Page object. * A Page always has a main Frame (root of Frame tree.) * Page has a PageClient. PageView is a PageClient. The goal here is to allow building another kind of view onto a Page while keeping the rest of LibWeb intact.
		
			
				
	
	
		
			312 lines
		
	
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			312 lines
		
	
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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|  * All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions are met:
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|  *
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|  * 1. Redistributions of source code must retain the above copyright notice, this
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|  *    list of conditions and the following disclaimer.
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|  *
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|  * 2. Redistributions in binary form must reproduce the above copyright notice,
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|  *    this list of conditions and the following disclaimer in the documentation
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|  *    and/or other materials provided with the distribution.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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|  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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|  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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|  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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|  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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|  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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|  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #include <AK/ByteBuffer.h>
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| #include <LibGfx/Bitmap.h>
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| #include <LibGfx/PNGLoader.h>
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| #include <LibGfx/Palette.h>
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| #include <LibWeb/CSS/StyleValue.h>
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| #include <LibWeb/DOM/Document.h>
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| #include <LibWeb/Frame/Frame.h>
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| #include <LibWeb/Loader/LoadRequest.h>
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| #include <LibWeb/Loader/ResourceLoader.h>
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| #include <LibWeb/PageView.h>
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| 
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| namespace Web {
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| 
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| StyleValue::StyleValue(Type type)
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|     : m_type(type)
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| {
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| }
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| 
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| StyleValue::~StyleValue()
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| {
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| }
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| 
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| String IdentifierStyleValue::to_string() const
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| {
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|     switch (id()) {
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|     case CSS::ValueID::Invalid:
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|         return "(invalid)";
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|     case CSS::ValueID::VendorSpecificLink:
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|         return "-libweb-link";
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|     case CSS::ValueID::VendorSpecificPaletteDesktopBackground:
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|         return "-libweb-palette-desktop-background";
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|     case CSS::ValueID::VendorSpecificPaletteActiveWindowBorder1:
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|         return "-libweb-palette-active-window-border1";
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|     case CSS::ValueID::VendorSpecificPaletteActiveWindowBorder2:
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|         return "-libweb-palette-active-window-border2";
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|     case CSS::ValueID::VendorSpecificPaletteActiveWindowTitle:
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|         return "-libweb-palette-active-window-title";
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|     case CSS::ValueID::VendorSpecificPaletteInactiveWindowBorder1:
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|         return "-libweb-palette-inactive-window-border1";
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|     case CSS::ValueID::VendorSpecificPaletteInactiveWindowBorder2:
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|         return "-libweb-palette-inactive-window-border2";
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|     case CSS::ValueID::VendorSpecificPaletteInactiveWindowTitle:
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|         return "-libweb-palette-inactive-window-title";
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|     case CSS::ValueID::VendorSpecificPaletteMovingWindowBorder1:
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|         return "-libweb-palette-moving-window-border1";
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|     case CSS::ValueID::VendorSpecificPaletteMovingWindowBorder2:
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|         return "-libweb-palette-moving-window-border2";
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|     case CSS::ValueID::VendorSpecificPaletteMovingWindowTitle:
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|         return "-libweb-palette-moving-window-title";
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|     case CSS::ValueID::VendorSpecificPaletteHighlightWindowBorder1:
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|         return "-libweb-palette-highlight-window-border1";
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|     case CSS::ValueID::VendorSpecificPaletteHighlightWindowBorder2:
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|         return "-libweb-palette-highlight-window-border2";
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|     case CSS::ValueID::VendorSpecificPaletteHighlightWindowTitle:
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|         return "-libweb-palette-highlight-window-title";
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|     case CSS::ValueID::VendorSpecificPaletteMenuStripe:
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|         return "-libweb-palette-menu-stripe";
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|     case CSS::ValueID::VendorSpecificPaletteMenuBase:
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|         return "-libweb-palette-menu-base";
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|     case CSS::ValueID::VendorSpecificPaletteMenuBaseText:
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|         return "-libweb-palette-menu-base-text";
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|     case CSS::ValueID::VendorSpecificPaletteMenuSelection:
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|         return "-libweb-palette-menu-selection";
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|     case CSS::ValueID::VendorSpecificPaletteMenuSelectionText:
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|         return "-libweb-palette-menu-selection-text";
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|     case CSS::ValueID::VendorSpecificPaletteWindow:
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|         return "-libweb-palette-window";
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|     case CSS::ValueID::VendorSpecificPaletteWindowText:
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|         return "-libweb-palette-window-text";
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|     case CSS::ValueID::VendorSpecificPaletteButton:
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|         return "-libweb-palette-button";
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|     case CSS::ValueID::VendorSpecificPaletteButtonText:
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|         return "-libweb-palette-button-text";
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|     case CSS::ValueID::VendorSpecificPaletteBase:
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|         return "-libweb-palette-base";
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|     case CSS::ValueID::VendorSpecificPaletteBaseText:
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|         return "-libweb-palette-base-text";
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|     case CSS::ValueID::VendorSpecificPaletteThreedHighlight:
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|         return "-libweb-palette-threed-highlight";
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|     case CSS::ValueID::VendorSpecificPaletteThreedShadow1:
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|         return "-libweb-palette-threed-shadow1";
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|     case CSS::ValueID::VendorSpecificPaletteThreedShadow2:
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|         return "-libweb-palette-threed-shadow2";
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|     case CSS::ValueID::VendorSpecificPaletteHoverHighlight:
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|         return "-libweb-palette-hover-highlight";
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|     case CSS::ValueID::VendorSpecificPaletteSelection:
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|         return "-libweb-palette-selection";
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|     case CSS::ValueID::VendorSpecificPaletteSelectionText:
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|         return "-libweb-palette-selection-text";
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|     case CSS::ValueID::VendorSpecificPaletteInactiveSelection:
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|         return "-libweb-palette-inactive-selection";
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|     case CSS::ValueID::VendorSpecificPaletteInactiveSelectionText:
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|         return "-libweb-palette-inactive-selection-text";
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|     case CSS::ValueID::VendorSpecificPaletteRubberBandFill:
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|         return "-libweb-palette-rubber-band-fill";
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|     case CSS::ValueID::VendorSpecificPaletteRubberBandBorder:
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|         return "-libweb-palette-rubber-band-border";
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|     case CSS::ValueID::VendorSpecificPaletteLink:
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|         return "-libweb-palette-link";
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|     case CSS::ValueID::VendorSpecificPaletteActiveLink:
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|         return "-libweb-palette-active-link";
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|     case CSS::ValueID::VendorSpecificPaletteVisitedLink:
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|         return "-libweb-palette-visited-link";
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|     case CSS::ValueID::VendorSpecificPaletteRuler:
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|         return "-libweb-palette-ruler";
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|     case CSS::ValueID::VendorSpecificPaletteRulerBorder:
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|         return "-libweb-palette-ruler-border";
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|     case CSS::ValueID::VendorSpecificPaletteRulerActiveText:
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|         return "-libweb-palette-ruler-active-text";
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|     case CSS::ValueID::VendorSpecificPaletteRulerInactiveText:
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|         return "-libweb-palette-ruler-inactive-text";
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|     case CSS::ValueID::VendorSpecificPaletteTextCursor:
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|         return "-libweb-palette-text-cursor";
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|     case CSS::ValueID::VendorSpecificPaletteFocusOutline:
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|         return "-libweb-palette-focus-outline";
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxComment:
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|         return "-libweb-palette-syntax-comment";
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxNumber:
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|         return "-libweb-palette-syntax-number";
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxString:
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|         return "-libweb-palette-syntax-string";
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxType:
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|         return "-libweb-palette-syntax-type";
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxPunctuation:
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|         return "-libweb-palette-syntax-punctuation";
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxOperator:
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|         return "-libweb-palette-syntax-operator";
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxKeyword:
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|         return "-libweb-palette-syntax-keyword";
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxControlKeyword:
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|         return "-libweb-palette-syntax-control-keyword";
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxIdentifier:
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|         return "-libweb-palette-syntax-identifier";
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxPreprocessorStatement:
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|         return "-libweb-palette-syntax-preprocessor-statement";
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxPreprocessorValue:
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|         return "-libweb-palette-syntax-preprocessor-value";
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|     default:
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|         ASSERT_NOT_REACHED();
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|     }
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| }
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| 
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| Color IdentifierStyleValue::to_color(const Document& document) const
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| {
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|     if (id() == CSS::ValueID::VendorSpecificLink)
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|         return document.link_color();
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| 
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|     auto palette = document.frame()->page().palette();
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|     switch (id()) {
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|     case CSS::ValueID::VendorSpecificPaletteDesktopBackground:
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|         return palette.color(ColorRole::DesktopBackground);
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|     case CSS::ValueID::VendorSpecificPaletteActiveWindowBorder1:
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|         return palette.color(ColorRole::ActiveWindowBorder1);
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|     case CSS::ValueID::VendorSpecificPaletteActiveWindowBorder2:
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|         return palette.color(ColorRole::ActiveWindowBorder2);
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|     case CSS::ValueID::VendorSpecificPaletteActiveWindowTitle:
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|         return palette.color(ColorRole::ActiveWindowTitle);
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|     case CSS::ValueID::VendorSpecificPaletteInactiveWindowBorder1:
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|         return palette.color(ColorRole::InactiveWindowBorder1);
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|     case CSS::ValueID::VendorSpecificPaletteInactiveWindowBorder2:
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|         return palette.color(ColorRole::InactiveWindowBorder2);
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|     case CSS::ValueID::VendorSpecificPaletteInactiveWindowTitle:
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|         return palette.color(ColorRole::InactiveWindowTitle);
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|     case CSS::ValueID::VendorSpecificPaletteMovingWindowBorder1:
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|         return palette.color(ColorRole::MovingWindowBorder1);
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|     case CSS::ValueID::VendorSpecificPaletteMovingWindowBorder2:
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|         return palette.color(ColorRole::MovingWindowBorder2);
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|     case CSS::ValueID::VendorSpecificPaletteMovingWindowTitle:
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|         return palette.color(ColorRole::MovingWindowTitle);
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|     case CSS::ValueID::VendorSpecificPaletteHighlightWindowBorder1:
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|         return palette.color(ColorRole::HighlightWindowBorder1);
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|     case CSS::ValueID::VendorSpecificPaletteHighlightWindowBorder2:
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|         return palette.color(ColorRole::HighlightWindowBorder2);
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|     case CSS::ValueID::VendorSpecificPaletteHighlightWindowTitle:
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|         return palette.color(ColorRole::HighlightWindowTitle);
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|     case CSS::ValueID::VendorSpecificPaletteMenuStripe:
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|         return palette.color(ColorRole::MenuStripe);
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|     case CSS::ValueID::VendorSpecificPaletteMenuBase:
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|         return palette.color(ColorRole::MenuBase);
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|     case CSS::ValueID::VendorSpecificPaletteMenuBaseText:
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|         return palette.color(ColorRole::MenuBaseText);
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|     case CSS::ValueID::VendorSpecificPaletteMenuSelection:
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|         return palette.color(ColorRole::MenuSelection);
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|     case CSS::ValueID::VendorSpecificPaletteMenuSelectionText:
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|         return palette.color(ColorRole::MenuSelectionText);
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|     case CSS::ValueID::VendorSpecificPaletteWindow:
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|         return palette.color(ColorRole::Window);
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|     case CSS::ValueID::VendorSpecificPaletteWindowText:
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|         return palette.color(ColorRole::WindowText);
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|     case CSS::ValueID::VendorSpecificPaletteButton:
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|         return palette.color(ColorRole::Button);
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|     case CSS::ValueID::VendorSpecificPaletteButtonText:
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|         return palette.color(ColorRole::ButtonText);
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|     case CSS::ValueID::VendorSpecificPaletteBase:
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|         return palette.color(ColorRole::Base);
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|     case CSS::ValueID::VendorSpecificPaletteBaseText:
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|         return palette.color(ColorRole::BaseText);
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|     case CSS::ValueID::VendorSpecificPaletteThreedHighlight:
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|         return palette.color(ColorRole::ThreedHighlight);
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|     case CSS::ValueID::VendorSpecificPaletteThreedShadow1:
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|         return palette.color(ColorRole::ThreedShadow1);
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|     case CSS::ValueID::VendorSpecificPaletteThreedShadow2:
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|         return palette.color(ColorRole::ThreedShadow2);
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|     case CSS::ValueID::VendorSpecificPaletteHoverHighlight:
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|         return palette.color(ColorRole::HoverHighlight);
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|     case CSS::ValueID::VendorSpecificPaletteSelection:
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|         return palette.color(ColorRole::Selection);
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|     case CSS::ValueID::VendorSpecificPaletteSelectionText:
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|         return palette.color(ColorRole::SelectionText);
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|     case CSS::ValueID::VendorSpecificPaletteInactiveSelection:
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|         return palette.color(ColorRole::InactiveSelection);
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|     case CSS::ValueID::VendorSpecificPaletteInactiveSelectionText:
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|         return palette.color(ColorRole::InactiveSelectionText);
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|     case CSS::ValueID::VendorSpecificPaletteRubberBandFill:
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|         return palette.color(ColorRole::RubberBandFill);
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|     case CSS::ValueID::VendorSpecificPaletteRubberBandBorder:
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|         return palette.color(ColorRole::RubberBandBorder);
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|     case CSS::ValueID::VendorSpecificPaletteLink:
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|         return palette.color(ColorRole::Link);
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|     case CSS::ValueID::VendorSpecificPaletteActiveLink:
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|         return palette.color(ColorRole::ActiveLink);
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|     case CSS::ValueID::VendorSpecificPaletteVisitedLink:
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|         return palette.color(ColorRole::VisitedLink);
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|     case CSS::ValueID::VendorSpecificPaletteRuler:
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|         return palette.color(ColorRole::Ruler);
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|     case CSS::ValueID::VendorSpecificPaletteRulerBorder:
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|         return palette.color(ColorRole::RulerBorder);
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|     case CSS::ValueID::VendorSpecificPaletteRulerActiveText:
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|         return palette.color(ColorRole::RulerActiveText);
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|     case CSS::ValueID::VendorSpecificPaletteRulerInactiveText:
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|         return palette.color(ColorRole::RulerInactiveText);
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|     case CSS::ValueID::VendorSpecificPaletteTextCursor:
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|         return palette.color(ColorRole::TextCursor);
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|     case CSS::ValueID::VendorSpecificPaletteFocusOutline:
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|         return palette.color(ColorRole::FocusOutline);
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxComment:
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|         return palette.color(ColorRole::SyntaxComment);
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxNumber:
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|         return palette.color(ColorRole::SyntaxNumber);
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxString:
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|         return palette.color(ColorRole::SyntaxString);
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxType:
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|         return palette.color(ColorRole::SyntaxType);
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxPunctuation:
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|         return palette.color(ColorRole::SyntaxPunctuation);
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxOperator:
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|         return palette.color(ColorRole::SyntaxOperator);
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxKeyword:
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|         return palette.color(ColorRole::SyntaxKeyword);
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxControlKeyword:
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|         return palette.color(ColorRole::SyntaxControlKeyword);
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxIdentifier:
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|         return palette.color(ColorRole::SyntaxIdentifier);
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxPreprocessorStatement:
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|         return palette.color(ColorRole::SyntaxPreprocessorStatement);
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|     case CSS::ValueID::VendorSpecificPaletteSyntaxPreprocessorValue:
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|         return palette.color(ColorRole::SyntaxPreprocessorValue);
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|     default:
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|         return {};
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|     }
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| }
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| 
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| ImageStyleValue::ImageStyleValue(const URL& url, Document& document)
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|     : StyleValue(Type::Image)
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|     , m_url(url)
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|     , m_document(document.make_weak_ptr())
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| {
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|     LoadRequest request;
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|     request.set_url(url);
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|     set_resource(ResourceLoader::the().load_resource(Resource::Type::Image, request));
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| }
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| 
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| void ImageStyleValue::resource_did_load()
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| {
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|     if (!m_document)
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|         return;
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|     // FIXME: Use the shared decoder from ImageResource!
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|     m_bitmap = Gfx::load_png_from_memory(resource()->encoded_data().data(), resource()->encoded_data().size());
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|     if (!m_bitmap)
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|         return;
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|     // FIXME: Do less than a full repaint if possible?
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|     if (m_document->frame())
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|         m_document->frame()->set_needs_display({});
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| }
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| 
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| }
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