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Fix DCHECK during Find (issue #2050)

This commit is contained in:
Marshall Greenblatt 2017-05-05 15:34:20 -04:00
parent 86c329e790
commit e5ad5a8fcd
4 changed files with 29 additions and 12 deletions
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15
include/capi/cef_browser_capi.h
View File

@ -430,12 +430,15 @@ typedef struct _cef_browser_host_t {
struct _cef_pdf_print_callback_t* callback);
///
// Search for |searchText|. |identifier| can be used to have multiple searches
// running simultaniously. |forward| indicates whether to search forward or
// backward within the page. |matchCase| indicates whether the search should
// be case-sensitive. |findNext| indicates whether this is the first request
// or a follow-up. The cef_find_handler_t instance, if any, returned via
// cef_client_t::GetFindHandler will be called to report find results.
// Search for |searchText|. |identifier| must be a unique ID and these IDs
// must strictly increase so that newer requests always have greater IDs than
// older requests. If |identifier| is zero or less than the previous ID value
// then it will be automatically assigned a new valid ID. |forward| indicates
// whether to search forward or backward within the page. |matchCase|
// indicates whether the search should be case-sensitive. |findNext| indicates
// whether this is the first request or a follow-up. The cef_find_handler_t
// instance, if any, returned via cef_client_t::GetFindHandler will be called
// to report find results.
///
void (CEF_CALLBACK *find)(struct _cef_browser_host_t* self, int identifier,
const cef_string_t* searchText, int forward, int matchCase,

15
include/cef_browser.h
View File

@ -472,12 +472,15 @@ class CefBrowserHost : public virtual CefBaseRefCounted {
CefRefPtr<CefPdfPrintCallback> callback) =0;
///
// Search for |searchText|. |identifier| can be used to have multiple searches
// running simultaniously. |forward| indicates whether to search forward or
// backward within the page. |matchCase| indicates whether the search should
// be case-sensitive. |findNext| indicates whether this is the first request
// or a follow-up. The CefFindHandler instance, if any, returned via
// CefClient::GetFindHandler will be called to report find results.
// Search for |searchText|. |identifier| must be a unique ID and these IDs
// must strictly increase so that newer requests always have greater IDs than
// older requests. If |identifier| is zero or less than the previous ID value
// then it will be automatically assigned a new valid ID. |forward| indicates
// whether to search forward or backward within the page. |matchCase|
// indicates whether the search should be case-sensitive. |findNext| indicates
// whether this is the first request or a follow-up. The CefFindHandler
// instance, if any, returned via CefClient::GetFindHandler will be called to
// report find results.
///
/*--cef()--*/
virtual void Find(int identifier, const CefString& searchText,

8
libcef/browser/browser_host_impl.cc
View File

@ -784,6 +784,14 @@ void CefBrowserHostImpl::Find(int identifier, const CefString& searchText,
if (!web_contents_)
return;
// Every find request must have a unique ID and these IDs must strictly
// increase so that newer requests always have greater IDs than older
// requests.
if (identifier <= find_request_id_counter_)
identifier = ++find_request_id_counter_;
else
find_request_id_counter_ = identifier;
blink::WebFindOptions options;
options.forward = forward;
options.match_case = matchCase;

3
libcef/browser/browser_host_impl.h
View File

@ -637,6 +637,9 @@ class CefBrowserHostImpl : public CefBrowserHost,
// Observers that want to be notified of changes to this object.
base::ObserverList<Observer> observers_;
// Used to provide unique incremental IDs for each find request.
int find_request_id_counter_ = 0;
IMPLEMENT_REFCOUNTING(CefBrowserHostImpl);
DISALLOW_COPY_AND_ASSIGN(CefBrowserHostImpl);
};