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Use Chrome file dialogs on all platforms and runtimes (fixes issue #3314)

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All file dialogs irrespective of source, platform and runtime will now be
routed through CefFileDialogManager and trigger CefDialogHandler callbacks
(see issue #3293).

Adds Chrome runtime support for CefBrowserHost::RunFileDialog and
CefDialogHandler callbacks.

Adds Alloy runtime support for internal GTK file and print dialogs on Linux
subject to the following limitations:

1. Internal GTK implementation:
   - Cannot be used with multi-threaded-message-loop because Chromium's
     internal GTK implementation is not thread-safe (does not use GDK threads).
   - Dialogs will not be modal to application windows when used with off-screen
     rendering due to lack of access to the client's top-level GtkWindow.
2. Cefclient CefDialogHandler implementation:
   - Cannot be used with Views because it requires a top-level GtkWindow.

Due to the above limitations no dialog implementation is currently provided for
Views + multi-threaded-message-loop on Linux. In cases where both
implementations are supported the cefclient version is now behind an optional
`--use-client-dialogs` command-line flag.

Expressly forbids multiple simultaneous file dialogs with the internal platform
implementation which uses modal dialogs. CefDialogHandler will still be notified
and can optionally handle each request without a modal dialog (see issue #3154).

Removes some RunFileDialog parameters that are not supported by the Chrome file
dialog implementation (selected_accept_filter parameter, cef_file_dialog_mode_t
overwrite/read-only flags).
This commit is contained in:
Marshall Greenblatt
2022-04-15 15:55:23 -04:00
parent edef01f579
commit 2ea7459a89
75 changed files with 1566 additions and 2231 deletions
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9
libcef_dll/cpptoc/browser_host_cpptoc.cc
View File

@ -9,7 +9,7 @@
// implementations. See the translator.README.txt file in the tools directory
// for more information.
//
// $hash=289bb032a65bfd1f35a97d93e14df1f5762a9394$
// $hash=65c260e354b6dc85bf121b60081eff450b043542$
//
#include "libcef_dll/cpptoc/browser_host_cpptoc.h"
@ -318,7 +318,6 @@ browser_host_run_file_dialog(struct _cef_browser_host_t* self,
const cef_string_t* title,
const cef_string_t* default_file_path,
cef_string_list_t accept_filters,
int selected_accept_filter,
cef_run_file_dialog_callback_t* callback) {
shutdown_checker::AssertNotShutdown();
@ -327,10 +326,6 @@ browser_host_run_file_dialog(struct _cef_browser_host_t* self,
DCHECK(self);
if (!self)
return;
// Verify param: selected_accept_filter; type: simple_byval
DCHECK_GE(selected_accept_filter, 0);
if (selected_accept_filter < 0)
return;
// Verify param: callback; type: refptr_diff
DCHECK(callback);
if (!callback)
@ -344,7 +339,7 @@ browser_host_run_file_dialog(struct _cef_browser_host_t* self,
// Execute
CefBrowserHostCppToC::Get(self)->RunFileDialog(
mode, CefString(title), CefString(default_file_path), accept_filtersList,
selected_accept_filter, CefRunFileDialogCallbackCToCpp::Wrap(callback));
CefRunFileDialogCallbackCToCpp::Wrap(callback));
}
void CEF_CALLBACK browser_host_start_download(struct _cef_browser_host_t* self,