browser supports copy detection

10 years ago · 6a89eeedf3
3 changed files with 29 additions and 1 deletions
--- a/.gopmfile
+++ b/.gopmfile
@ -33,6 +33,8 @@ golang.org/x/net = commit:937a34c9de13
 golang.org/x/text = commit:5b2527008a4c
 gopkg.in/ini.v1 = commit:caf3f03ad9
 gopkg.in/redis.v2 = commit:e617904962
+github.com/hashicorp/go-version = commit:999359b6b7
+github.com/mssola/user_agent = commit:f659b98638

 [res]
 include = etc|public|scripts|templates
--- a/modules/middleware/repo.go
+++ b/modules/middleware/repo.go
@ -16,6 +16,14 @@ import (
 	"github.com/gogits/gogs/modules/git"
 	"github.com/gogits/gogs/modules/log"
 	"github.com/gogits/gogs/modules/setting"
+
+	"github.com/hashicorp/go-version"
+	"github.com/mssola/user_agent"
+)
+
+const (
+	FIREFOX_COPY_SUPPORT = "41.0"
+	CHROME_COPY_SUPPORT = "43.0.2356"
 )

 func ApiRepoAssignment() macaron.Handler {
@ -345,6 +353,24 @@ func RepoAssignment(redirect bool, args ...bool) macaron.Handler {

 		ctx.Data["BranchName"] = ctx.Repo.BranchName
 		ctx.Data["CommitId"] = ctx.Repo.CommitId
+
+		userAgent := ctx.Req.Header.Get("User-Agent")
+		ua := user_agent.New(userAgent);
+		browserName, browserVer := ua.Browser()
+
+		sliceVer := strings.Split(browserVer, ".")
+		var max int
+		if max = len(sliceVer); 3 < max {
+			max = 3
+		}
+		browserVer = strings.Join(sliceVer[:max], ".")
+
+		browserVersion, err := version.NewVersion(browserVer)
+		chromeConstraint, err := version.NewConstraint(">= " + CHROME_COPY_SUPPORT)
+		firefoxConstraint, err := version.NewConstraint(">= " + FIREFOX_COPY_SUPPORT)
+
+		ctx.Data["BrowserSupportsCopy"] = (browserName == "Chrome" && chromeConstraint.Check(browserVersion)) || (browserName == "Firefox" && firefoxConstraint.Check(browserVersion))
+
 	}
 }

--- a/templates/ng/base/head.tmpl
+++ b/templates/ng/base/head.tmpl
@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html{{if .BrowserSupportsCopy}} class="is-copy-enabled"{{end}}>
 	<head data-suburl="{{AppSubUrl}}">
 		<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge"/>