Scalable display of internet content on mobile devices
First Claim
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1. A mobile hand-held device, comprising:
- a processor;
a wireless communications device, to facilitate wireless communication with a network that supports access to the Internet;
a touch-sensitive display; and
flash memory, operatively coupled to the processor, in which a plurality of instructions are stored comprising a plurality of software components including an HTML rendering engine, wherein the instructions are configured to be executed by the processor to enable the mobile hand-held device to,receive an HTML document including HTML code and cascading style sheet (CSS) code and content associated with the HTML document, the HTML code comprising a plurality of HTML elements including at least one HTML paragraph element, at least one HTML image element, and at least one HTML hyperlink element;
process the HTML document with the HTML rendering engine to render a first representation of the HTML document having an interpreted page layout, functionality, and design of the content associated with the HTML document that is in accordance with the HTML code and CSS code, wherein rendering the first representation of the HTML document includes,parsing the HTML document to identify the plurality of HTML elements;
logically grouping content associated with HTML elements into HTML objects;
generating page layout information including a bounding box for each HTML object; and
storing information that links each HTML object with its corresponding page layout information,wherein the page layout information further includes information from which a page layout location of each of the bounding boxes can be determined;
translate the first representation of the HTML document to generate a scalable vector representation of the HTML document wherein generating the scalable vector representation includes,defining a primary datum corresponding to the interpreted page layout;
for each HTML object,defining an object datum corresponding to a layout location datum for the HTML object'"'"'s bounding box;
generating a vector from the primary datum to the object datum for the HTML object'"'"'s bounding box; and
creating a reference that links the HTML object to the vector that is generated; and
render the scalable vector representation of the HTML document on the touch-sensitive display using a first scale factor to display the HTML document at a first zoom level under which the HTML document is displayed to fit across a width of the touch-sensitive display,wherein the scalable vector representation of the HTML document is configured to enable a user to view the HTML document at one or more user-defined zoom levels by rendering the scalable vector representation on the touch-sensitive display using one or more respective scale factors in response to associated user inputs made via the touch-sensitive display, and wherein the interpreted page layout, functionality, and design of the content associated with the HTML document is preserved at each of the first zoom level and the one or more user-defined zoom levels.
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Abstract
Mobile devices enabled to support resolution-independent scalable display of Internet (Web) content to allow Web pages to be scaled (zoomed) and panned for better viewing on smaller screen sizes. The mobile devices employ software-based processing of original Web content, including HTML-based content, XML, cascade style sheets, etc. to generate scalable content. The scalable content and/or data derived therefrom are then employed to enable the Web content to be rapidly rendered, zoomed, and panned. Display lists may also be employed to provide further enhancements in rendering speed. Context zooms, including tap-based zooms on columns, images, and paragraphs are also enabled.
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Citations
35 Claims
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1. A mobile hand-held device, comprising:
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a processor; a wireless communications device, to facilitate wireless communication with a network that supports access to the Internet; a touch-sensitive display; and flash memory, operatively coupled to the processor, in which a plurality of instructions are stored comprising a plurality of software components including an HTML rendering engine, wherein the instructions are configured to be executed by the processor to enable the mobile hand-held device to, receive an HTML document including HTML code and cascading style sheet (CSS) code and content associated with the HTML document, the HTML code comprising a plurality of HTML elements including at least one HTML paragraph element, at least one HTML image element, and at least one HTML hyperlink element; process the HTML document with the HTML rendering engine to render a first representation of the HTML document having an interpreted page layout, functionality, and design of the content associated with the HTML document that is in accordance with the HTML code and CSS code, wherein rendering the first representation of the HTML document includes, parsing the HTML document to identify the plurality of HTML elements; logically grouping content associated with HTML elements into HTML objects; generating page layout information including a bounding box for each HTML object; and storing information that links each HTML object with its corresponding page layout information, wherein the page layout information further includes information from which a page layout location of each of the bounding boxes can be determined; translate the first representation of the HTML document to generate a scalable vector representation of the HTML document wherein generating the scalable vector representation includes, defining a primary datum corresponding to the interpreted page layout; for each HTML object, defining an object datum corresponding to a layout location datum for the HTML object'"'"'s bounding box; generating a vector from the primary datum to the object datum for the HTML object'"'"'s bounding box; and creating a reference that links the HTML object to the vector that is generated; and render the scalable vector representation of the HTML document on the touch-sensitive display using a first scale factor to display the HTML document at a first zoom level under which the HTML document is displayed to fit across a width of the touch-sensitive display, wherein the scalable vector representation of the HTML document is configured to enable a user to view the HTML document at one or more user-defined zoom levels by rendering the scalable vector representation on the touch-sensitive display using one or more respective scale factors in response to associated user inputs made via the touch-sensitive display, and wherein the interpreted page layout, functionality, and design of the content associated with the HTML document is preserved at each of the first zoom level and the one or more user-defined zoom levels. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method performed by a mobile hand-held device including a touch-sensitive display and an HTML rendering engine, comprising:
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receiving an HTML document including HTML code and cascading style sheet (CSS) code and content associated with the HTML document, the HTML code comprising a plurality of HTML elements including at least one HTML paragraph element, at least one HTML image element, and at least one HTML hyperlink element; processing the HTML document with the HTML rendering engine to render a first representation of the HTML document having an interpreted page layout, functionality, and design of the content associated with the HTML document that is in accordance with the HTML code and CSS code, wherein rendering the first representation of the HTML document includes, parsing the HTML document to identify the plurality of HTML elements; logically grouping content associated with HTML elements into HTML objects; generating page layout information including a bounding box for each HTML object; and storing information that links each HTML object with its corresponding page layout information, wherein the page layout information further includes information from which a page layout location of each of the bounding boxes can be determined; translating the first representation of the HTML document to generate a scalable vector representation of the HTML document wherein generating the scalable vector representation includes, defining a primary datum corresponding to the interpreted page layout; for each HTML object, defining an object datum corresponding to a layout location datum for the HTML object'"'"'s bounding box; generating a vector from the primary datum to the object datum for the HTML object'"'"'s bounding box; and creating a reference that links the HTML object to the vector that is generated; and render the scalable vector representation of the HTML document on the touch-sensitive display using a first scale factor to display the HTML document at a first zoom level under which the HTML document is displayed to fit across a width of the touch-sensitive display, wherein the scalable vector representation of the HTML document is configured to enable a user to view the HTML document at one or more user-defined zoom levels by rendering the scalable vector representation on the touch-sensitive display using one or more respective scale factors in response to associated user inputs made via the touch-sensitive display, and wherein the interpreted page layout, functionality, and design of the content associated with the HTML document is preserved at each of the first zoom level and the one or more user-defined zoom levels. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A mobile hand-held device, comprising:
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a processor; a wireless communications device, to facilitate wireless communication with a network that supports access to the Internet; a touch-sensitive display; and flash memory, operatively coupled to the processor, in which a plurality of instructions are stored comprising a plurality of software components including an HTML rendering engine, wherein the instructions, when executed by the mobile hand-held device, enable the mobile hand-held device to, receive an HTML document comprising HTML-based content including HTML code and cascading style sheet (CSS) code and content associated with the HTML document; produce scalable content by, processing the HTML-based content with the rendering engine to render an interpreted page layout, functionality, and design of the content associated with the HTML document in accordance with the HTML code and CSS code; logically grouping selected content into HTML objects, each HTML object including associated display content; defining a primary datum corresponding to the interpreted page layout; and, for each HTML object, defining an object datum corresponding to a layout location datum for the HTML object'"'"'s associated display content; generating a vector from the primary datum to the object datum for the HTML object; and creating a reference that links the HTML object to the vector that is generated; and employ at least one of the scalable content or data derived therefrom to, render a view of the HTML document on the touch-sensitive display at a first zoom level under which the HTML document is displayed to fit across a width of the touch-sensitive display; and render views of the HTML document on the touch-sensitive display in response to associated user inputs to enable the HTML document to be viewed at various zoom levels and panned views while preserving the interpreted page layout, functionality, and design of the content associated with the HTML document at each zoom level and panned view including the first zoom level. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification