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Merging changes from ranch/hotfix/navigate-back-and-forward

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This commit is contained in:
Kenneth Shaw 2017-02-22 20:51:59 +07:00
commit 35dfe7af26
1 changed files with 18 additions and 22 deletions
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40
nav.go
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@ -41,35 +41,31 @@ func NavigateToHistoryEntry(entryID int64) Action {
}
// NavigateBack navigates the current frame backwards in its history.
func NavigateBack() Action {
return ActionFunc(func(ctxt context.Context, h cdp.Handler) error {
cur, entries, err := page.GetNavigationHistory().Do(ctxt, h)
if err != nil {
return err
}
func NavigateBack(ctxt context.Context, h cdp.Handler) error {
cur, entries, err := page.GetNavigationHistory().Do(ctxt, h)
if err != nil {
return err
}
if cur == 0 {
return errors.New("already on oldest navigation entry")
}
if cur <= 0 || cur > int64(len(entries)-1) {
return errors.New("invalid navigation entry")
}
return page.NavigateToHistoryEntry(entries[cur-1].ID).Do(ctxt, h)
})
return page.NavigateToHistoryEntry(entries[cur-1].ID).Do(ctxt, h)
}
// NavigateForward navigates the current frame forwards in its history.
func NavigateForward() Action {
return ActionFunc(func(ctxt context.Context, h cdp.Handler) error {
cur, entries, err := page.GetNavigationHistory().Do(ctxt, h)
if err != nil {
return err
}
func NavigateForward(ctxt context.Context, h cdp.Handler) error {
cur, entries, err := page.GetNavigationHistory().Do(ctxt, h)
if err != nil {
return err
}
if cur == int64(len(entries)-1) {
return errors.New("already on newest navigation entry")
}
if cur < 0 || cur >= int64(len(entries)-1) {
return errors.New("invalid navigation entry")
}
return page.NavigateToHistoryEntry(entries[cur+1].ID).Do(ctxt, h)
})
return page.NavigateToHistoryEntry(entries[cur+1].ID).Do(ctxt, h)
}
// Stop stops all navigation and pending resource retrieval.