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After calling FlushLayout(), PresShell::Destroy() might be called and we should consider PresShell and other resources will be no longer valid. Before this patch, AccessibleCaretManager and AccessibleCaret(s) are deallocated in PresShell::Destroy(). However FlushLayout() are all invoked in AccessibleCaretManager, we need to keep manager alive to clean up after PresShell::Destroy(). This patch makes AccessibleCaretManager live after PresShell::Destroy(), and use IsTerminated() to check whether PreShell is vaild after each FlushLayout() calls. Note that event though AccessibleCaretEventHub will be unref in PresShell::Destroy(), all the callers to AccessibleCaretEventHub's public methods already add a ref to AccessibleCaretEventHub. So we don't need to worry about AccessibleCaretEventHub and AccessibleCaretManager die immediately after PresShell::Destroy(). MozReview-Commit-ID: DDpXZ7v3zyo |
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| .. | ||
| base | ||
| build | ||
| doc | ||
| forms | ||
| generic | ||
| inspector | ||
| ipc | ||
| mathml | ||
| media | ||
| printing | ||
| reftests | ||
| style | ||
| svg | ||
| tables | ||
| tools | ||
| xul | ||
| moz.build | ||