[webkit-dev] Get src and element from render object in dump tree

rikutse asuratse at hotmail.com
Fri Apr 9 14:45:50 PDT 2010


Is my question too stupid?



rikutse wrote:
> 
> Dear everyone,
>     I am new to study Webkit. In short, I used dump render tree for Google
> page: http://www.google.com :
> layer at (0,0) size 800x600
>   RenderView at (0,0) size 800x600
> layer at (0,0) size 800x371
>   RenderBlock {HTML} at (0,0) size 800x371
>     RenderBody {BODY} at (8,3) size 784x352 [bgcolor=#FFFFFF]
>       RenderBlock {DIV} at (0,0) size 784x24
>         RenderBlock (floating) {DIV} at (0,0) size 377x23
>           RenderInline {NOBR} at (0,0) size 377x16
>             RenderInline {B} at (0,0) size 29x16
>               RenderText {#text} at (0,1) size 29x16
>                 text run at (0,1) width 29: "Web"
>             RenderText {#text} at (35,1) size 4x16
>               text run at (35,1) width 4: " "
>             RenderInline {A} at (0,0) size 42x16 [color=#0000CC]
>               RenderText {#text} at (39,1) size 42x16
>                 text run at (39,1) width 42: "Images"
>             RenderText {#text} at (87,1) size 4x16
>               text run at (87,1) width 4: " "
>             RenderInline {A} at (0,0) size 40x16 [color=#0000CC]
>               RenderText {#text} at (91,1) size 40x16
>                 text run at (91,1) width 40: "Videos"
>             RenderText {#text} at (137,1) size 4x16
>               text run at (137,1) width 4: " "
>             RenderInline {A} at (0,0) size 32x16 [color=#0000CC]
>               RenderText {#text} at (141,1) size 32x16
>                 text run at (141,1) width 32: "Maps"
>             RenderText {#text} at (179,1) size 4x16
>               text run at (179,1) width 4: " "
>             RenderInline {A} at (0,0) size 32x16 [color=#0000CC]
>               RenderText {#text} at (183,1) size 32x16
>                 text run at (183,1) width 32: "News"
>             RenderText {#text} at (221,1) size 4x16
>               text run at (221,1) width 4: " "
>             RenderInline {A} at (0,0) size 54x16 [color=#0000CC]
>               RenderText {#text} at (225,1) size 54x16
>                 text run at (225,1) width 54: "Shopping"
>             RenderText {#text} at (285,1) size 4x16
>               text run at (285,1) width 4: " "
>             RenderInline {A} at (0,0) size 34x16 [color=#0000CC]
>               RenderText {#text} at (289,1) size 34x16
>                 text run at (289,1) width 34: "Gmail"
>             RenderText {#text} at (329,1) size 4x16
>               text run at (329,1) width 4: " "
>             RenderInline {A} at (0,0) size 44x16 [color=#0000CC]
>               RenderInline {U} at (0,0) size 29x16
>                 RenderText {#text} at (333,1) size 29x16
>                   text run at (333,1) width 29: "more"
>               RenderText {#text} at (362,1) size 4x16
>                 text run at (362,1) width 4: " "
>               RenderInline {SMALL} at (0,0) size 11x14
>                 RenderText {#text} at (366,3) size 11x14
>                   text run at (366,3) width 11: "\x{25BC}"
>         RenderBlock {DIV} at (0,0) size 784x24
>           RenderInline {NOBR} at (0,0) size 197x16
>             RenderInline {SPAN} at (0,0) size 0x0
>             RenderInline {SPAN} at (0,0) size 0x0
>             RenderInline {SPAN} at (0,0) size 55x16
>               RenderInline {A} at (0,0) size 44x16 [color=#0000CC]
>                 RenderText {#text} at (587,1) size 44x16
>                   text run at (587,1) width 44: "iGoogle"
>               RenderText {#text} at (631,1) size 11x16
>                 text run at (631,1) width 11: " | "
>             RenderInline {A} at (0,0) size 91x16 [color=#0000CC]
>               RenderText {#text} at (642,1) size 91x16
>                 text run at (642,1) width 91: "Search settings"
>             RenderText {#text} at (733,1) size 11x16
>               text run at (733,1) width 11: " | "
>             RenderInline {A} at (0,0) size 40x16 [color=#0000CC]
>               RenderText {#text} at (744,1) size 40x16
>                 text run at (744,1) width 40: "Sign in"
>       RenderBlock {CENTER} at (0,24) size 784x328
>         RenderBlock (anonymous) at (0,0) size 784x152
>           RenderBR {BR} at (392,0) size 0x18
>           RenderImage {IMG} at (254,19) size 276x110
>           RenderBR {BR} at (530,114) size 0x18
>           RenderBR {BR} at (392,133) size 0x18
>         RenderBlock {FORM} at (0,152) size 784x64
>           RenderTable {TABLE} at (0,0) size 784x64
>             RenderTableSection {TBODY} at (0,0) size 784x64
>               RenderTableRow {TR} at (0,0) size 784x64
>                 RenderTableCell {TD} at (0,0) size 134x12 [r=0 c=0 rs=1
> cs=1]
>                   RenderText {#text} at (0,-3) size 4x18
>                     text run at (0,-3) width 4: " "
>                 RenderTableCell {TD} at (134,0) size 487x64 [r=0 c=1 rs=1
> cs=1]
>                   RenderTextControl {INPUT} at (2,2) size 483x26
> [bgcolor=#FFFFFF] [border: (2px inset #000000)]
>                   RenderBR {BR} at (487,16) size 0x18
>                   RenderButton {INPUT} at (112,34) size 121x27 [border:
> (1px solid #999999)]
>                     RenderBlock (anonymous) at (9,4) size 103x19
>                       RenderText at (3,1) size 97x17
>                         text run at (3,1) width 97: "Google Search"
>                   RenderButton {INPUT} at (239,34) size 136x27 [border:
> (1px solid #999999)]
>                     RenderBlock (anonymous) at (9,4) size 118x19
>                       RenderText at (3,1) size 112x17
>                         text run at (3,1) width 112: "I'm Feeling Lucky"
>                 RenderTableCell {TD} at (621,0) size 163x28
> [bgcolor=#FFFFFF] [r=0 c=2 rs=1 cs=1]
>                   RenderInline {FONT} at (0,0) size 89x27
>                     RenderText {#text} at (0,2) size 6x13
>                       text run at (0,2) width 6: "  "
>                     RenderInline {A} at (0,0) size 83x13 [color=#0000CC]
>                       RenderText {#text} at (6,2) size 83x13
>                         text run at (6,2) width 83: "Advanced Search"
>                     RenderBR {BR} at (89,2) size 0x13
>                     RenderText {#text} at (0,16) size 6x13
>                       text run at (0,16) width 6: "  "
>                     RenderInline {A} at (0,0) size 77x13 [color=#0000CC]
>                       RenderText {#text} at (6,16) size 77x13
>                         text run at (6,16) width 77: "Language Tools"
>         RenderBlock (anonymous) at (0,236) size 784x19
>           RenderBR {BR} at (392,0) size 0x18
>           RenderInline {SPAN} at (0,0) size 0x0
>         RenderBlock (anonymous) at (0,255) size 784x73
>           RenderBlock {CENTER} at (0,0) size 784x73 [bgcolor=#FFFFFF]
>             RenderBlock (anonymous) at (0,0) size 784x38
>               RenderBR {BR} at (392,0) size 0x18
>               RenderInline {FONT} at (0,0) size 338x16
>                 RenderInline {A} at (0,0) size 123x16 [color=#0000CC]
>                   RenderText {#text} at (223,21) size 123x16
>                     text run at (223,21) width 123: "Advertising Programs"
>                 RenderText {#text} at (346,21) size 12x16
>                   text run at (346,21) width 12: " - "
>                 RenderInline {A} at (0,0) size 112x16 [color=#0000CC]
>                   RenderText {#text} at (358,21) size 112x16
>                     text run at (358,21) width 112: "Business Solutions"
>                 RenderText {#text} at (470,21) size 12x16
>                   text run at (470,21) width 12: " - "
>                 RenderInline {A} at (0,0) size 79x16 [color=#0000CC]
>                   RenderText {#text} at (482,21) size 79x16
>                     text run at (482,21) width 79: "About Google"
>             RenderBlock {P} at (0,54) size 784x19
>               RenderInline {FONT} at (0,0) size 74x13
>                 RenderText {#text} at (355,5) size 40x13
>                   text run at (355,5) width 40: "\x{A9}2010 - "
>                 RenderInline {A} at (0,0) size 34x13 [color=#0000CC]
>                   RenderText {#text} at (395,5) size 34x13
>                     text run at (395,5) width 34: "Privacy"
>         RenderBlock (anonymous) at (0,344) size 784x0
>           RenderInline {SPAN} at (0,0) size 0x0
>           RenderText {#text} at (0,0) size 0x0
>         RenderBlock {DIV} at (0,344) size 784x0
>         RenderBlock {DIV} at (0,344) size 784x0
> layer at (146,184) size 479x20
>   RenderBlock {DIV} at (2,3) size 479x20
> layer at (0,24) size 800x1
>   RenderBlock (positioned) {DIV} at (0,24) size 800x1 [border: (1px solid
> #C9D7F1) none]
> layer at (0,24) size 800x1
>   RenderBlock (positioned) {DIV} at (0,24) size 800x1 [border: (1px solid
> #C9D7F1) none]
> caret: position 0 of child 0 {DIV} of child 2 {INPUT} of child 1 {TD} of
> child 0 {TR} of child 0 {TBODY} of child 0 {TABLE} of child 4 {FORM} of
> child 4 {CENTER} of child 1 {BODY} of child 1 {HTML} of document
> 
> 
> I would like to know how could I inspect and access the element member in
> each of the render object?
> Like, how can I get the image object and the src from RenderImage? What
> functions I could use?
> 
> Thank you very much.
> 
> Riku
> 

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