Chromium Blog
News and developments from the open source browser project
A New Approach to Printing
2010年4月15日木曜日
When we
demonstrated Google Chrome OS
last Fall, a few folks asked us how it would handle printing. Today we wanted to give developers a little more insight into our approach for printing from Chrome OS and other web-connected platforms.
While the emergence of cloud and mobile computing has provided users with access to information and personal documents from virtually any device, today’s printers still require installing drivers which makes printing impossible from most of these new devices. Developing and maintaining print subsystems for every combination of hardware and operating system-- from desktops to netbooks to mobile devices -- simply isn't feasible.
Since in Google Chrome OS all applications are web apps, we wanted to design a printing experience that would enable web apps to give users the full printing capabilities that native apps have today. Using the one component all major devices and operating systems have in common-- access to the cloud-- today we're introducing some preliminary designs for a project called Google Cloud Print, a service that enables any application (web, desktop, or mobile) on any device to print to any printer.
Rather than rely on the local operating system (or drivers) to print, apps can use Google Cloud Print to submit and manage print jobs. Google Cloud Print will then be responsible for sending the print job to the appropriate printer with the particular options the user selected, and returning the job status to the app.
Google Cloud Print is still under development, but today we are making
code
and
documentation
public as part of the open-source Chromium and Chromium OS projects. While we are still in the early days of this project, we want to be as transparent as possible about all aspects of our design and engage the community in identifying the right set of open standards to make cloud-based printing ubiquitous. You can view our design docs and outlines
here
and we hope you stay tuned for updates in the coming months.
Posted by Mike Jazayeri, Group Product Manager
Technically speaking, what makes Google Chrome fast? (Part II)
2010年4月14日水曜日
If you’ve dug around the many graphs that are displayed when you type “about:histograms” into Chrome’s Omnibox, you’ll notice that we’re still obsessed about measuring, benchmarking, and improving speed and performance on the browser.
Previously, we
published a series of video interviews
on several key engineering pieces that go into designing a fast, responsive modern browser, namely
DNS pre-resolution
, the
V8 JavaScript engine
, and
DOM bindings
.
In this next installment of technical interviews on Chrome’s speed, we’ll dive into two more areas that contribute to Chrome’s speed: UI responsiveness and WebKit.
WebKit
with James Robinson
1. What is WebKit?
2. How does WebKit contribute to Chrome's speed?
3. Tell us more about current and future work on WebKit and Chrome
4. Tell us more about new WebKit APIs that can further improve performance
5. What are the challenges of developing a new API for the web?
6. Tell us more about optimizing performance hotspots in WebKit, such as strings and repainting
UI responsiveness
with Peter Kasting
1. What is UI responsiveness?
2. What are examples of UI responsiveness in Chrome?
3. How does multi-threading improve UI responsiveness?
4. Tell us about how the backing store cache improves UI responsiveness?
5. How do you benchmark UI responsiveness?
6. How does Chrome's simplicity contribute to a responsive UI experience?
7. What are future plans to further improve UI responsiveness?
8. What motivates you to work on UI responsiveness?
Posted by Min Li Chan, Product Marketing Manager
Calling all Students! Work on Chromium during Google Summer of Code
2010年4月6日火曜日
This Friday, April 9th at 19:00 UTC is the deadline for students to apply to this year's
Google Summer of Code
.
The Chromium project has been accepted as a mentoring organization for this awesome program. This means that you have the opportunity to work on exciting new features for Chromium over the summer, experience real-world browser development with a Chromium team mentor, and, of course, receive a stipend.
To participate, first pick an idea off our
handy ideas list
or come up with your own. Next, discuss it with a prospective mentor on our
mailing list
or
irc channel
. Finally, when you’re confident you have a solid idea, write up a proposal on how you'd implement it in the allotted time frame (3 months) and submit it at the official
gsoc website
. In evaluating proposals, we'll be looking for familiarity with the codebase and lots of intelligent detail. The more detail you can provide, the better!
Once again,
proposals are due
Friday. We're looking forward to seeing great project proposals and expanding our community!
Posted by Jeremy Moskovich, Software Engineer
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