[0]:zeroview is simple bookmarklet shows website's shrink to window fit view.
[0]:zeroview supports only WebKit Framework browser (Safari, iCab, OmniWeb and many other applications). Page scaling animation uses on WebKit's CSS Animation.
javascript:
//Variables
var target = document.body;
var target_height = window.innerHeight;
var original_page_height = target.scrollHeight;
var original_page_scroll = window.pageYOffset;
var orgiginal_page_width = target.scrollWidth;
//Calculating scale
var target_scale = Math.max(target_height/original_page_height, 0.2);
//CSS Animation
target.style.webkitTransition = '-webkit-transform 0.5s ease-in';
target.style.webkitTransformOrigin = orgiginal_page_width / 2 + 'px 0';
//Scrolling to top
goSmooth = setInterval('go_smooth(0)', 10);
setTimeout('stop_scroll\(0\)', 500);
//Creating target frame
var target_frame = document.createElement('div');
target_frame.style.position= 'absolute';
target_frame.style.width = orgiginal_page_width + 'px';
target_frame.style.height = target_height + 'px';
target_frame.style.top = original_page_scroll + 'px';
target_frame.style.border = 'solid ' + 2/target_scale + 'px rgb(40, 20, 10)';
target_frame.style.backgroundColor= 'rgba(255, 120, 10, 0.2)';
target_frame.style.zIndex = '99999';
target_frame.style.webkitBorderRadius = 5 / target_scale + 'px';
target.appendChild(target_frame);
target.Target_frame = target_frame;
//Webkit scaling CSS to target frame
target.style.webkitTransform = 'scale('+target_scale+')';
//Adding event for recovering normal view
target.Target_frame.addEventListener('click', function(e){reset(e, target_scale)}, true);
target.addEventListener('mousemove', function(e){moveTarget(e, target_scale);}, true);
//Recovering page view style
function reset(e, target_scale){
var target=document.body;
var scrollY = t_frame=document.body.Target_frame.style.top.replace('px','');
document.body.removeChild(target_frame);
//CSS Animation for recovering
target.style.webkitTransform = 'scale(1)';
goSmooth = setInterval('go_smooth('+scrollY+')', 10);
setTimeout('stop_scroll\('+scrollY+'\)', 500);
target.removeEventListener('mousemove', function(e){moveTarget(e, target_scale);}, true );
e.stopPropagation();
}
//Target frame mover
function moveTarget(e, target_scale){
var page_offset=window.pageYOffset;
var t_frame = document.body.Target_frame;
var t_frame_height = document.body.Target_frame.offsetHeight;
var pageHeight = target.scrollHeight;
var topHeight = (e.clientY / target_scale) - (t_frame_height / 2) + (page_offset / target_scale);
if(topHeight < 0)topHeight = 0;
if( (topHeight + t_frame_height) > pageHeight)topHeight = pageHeight - t_frame_height;
t_frame.style.top = topHeight + 'px';
}
//Scrolling functions
function go_smooth(goal){
var page_offset=window.pageYOffset;
var increment = (goal - page_offset) / 50;
if(increment > goal){
increment = 0;
clearInterval(goSmooth);
}
window.scrollBy(0, increment);
}
function stop_scroll(goal){
clearInterval(goSmooth);
window.scrollTo(0, goal);
}
[0]:zeroview is published under MIT License.
Copyright © 2008 Taiyo Fujii. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Taiyo Fujii
mail : taiyo_vm[at]nifty.com
twitter : Twitter / t_trace