@Bob: You rock. @Ray: I like. On Fri, Nov 27, 2009 at 1:13 AM, Ray Cromwell <[email protected]> wrote:
> > Bob, > I love your proposal, if Bruce like's it, I'll go ahead and implement it > (perhaps without the A/B testing part? We can leave that as a Wiki entry?) > > -Ray > > On Wed, Nov 25, 2009 at 7:23 AM, BobV <[email protected]> wrote: > >> On Wed, Nov 25, 2009 at 9:58 AM, Bruce Johnson <[email protected]> wrote: >> > A) I want stack traces everywhere that it isn't costly. >> >> <!-- This is a derived property that doesn't need a property provider >> and indicates that getting a useful stack trace will be expensive --> >> <define-property name="stackIsExpensive" values="true,false" /> >> <set-property name="stackIsExpensive" value="false" /> >> <set-property name="stackIsExpensive" value="true"> >> <any> >> <when-property-is name="user.agent" value="ie6" /> >> <when-property-is name="user.agent" value="ie8" /> >> </any> >> </set-property> >> >> <!-- Assuming native is the default value. Since the native stack >> isn't useful, optimize for code size --> >> <set-property name="stack" value="strip"> >> <when-property-is name="stackIsExpensive" value="true" /> >> </set-property> >> >> > B) I want stack traces on every browser possible, and for browsers in >> which >> > it is costly, I want to only burden a random 2% of those users. >> >> <define-property name="inStackExperiment" values="true,false" /> >> <property-provider name="inStackExperiment"> >> // Do something with cookies, recalculating value every week >> </property-provider> >> >> <set-property name="stack" value="emulated"> >> <when-property-is name="inStackExperiment" value="true" /> >> <when-property-is name="stackIsExpensive" value="true" /> >> </set-property> >> >> <set-property name="stack" value="strip"> >> <when-property-is name="inStackExperiment" value="false" /> >> <when-property-is name="stackIsExpensive" value="true" /> >> </set-property> >> >> > C) I want maximum fidelity stack traces everywhere, even paying for >> > emulation on browsers that have native stack traces, if that's better. >> >> <set-property name="stack" value="emulated" /> >> >> > D) I want the smallest possible script size by default, but I'm willing >> to >> > burdon a random 2% of users to capture stack traces. >> >> <set-property name="stack" value="strip" /> >> <!-- Assuming that native stack traces are good enough --> >> <set-property name="stack" vaue="native" > >> <when-property-is name="inStackExperiment" value="true" /> >> <when-property-is name="stackIsExpensive" value="false" /> >> </set-property> >> <set-property name="stack" vaue="emulated" > >> <when-property-is name="inStackExperiment" value="true" /> >> <when-property-is name="stackIsExpensive" value="true" /> >> </set-property> >> >> >> -- >> Bob Vawter >> Google Web Toolkit Team >> > > -- > http://groups.google.com/group/Google-Web-Toolkit-Contributors > -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
