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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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20
include/internal/cef_types.h
View File

@@ -2237,26 +2237,6 @@ typedef enum {
// already exists.
///
FILE_DIALOG_SAVE,
///
// General mask defining the bits used for the type values.
///
FILE_DIALOG_TYPE_MASK = 0xFF,
// Qualifiers.
// Any of the type values above can be augmented by one or more qualifiers.
// These qualifiers further define the dialog behavior.
///
// Prompt to overwrite if the user selects an existing file with the Save
// dialog.
///
FILE_DIALOG_OVERWRITEPROMPT_FLAG = 0x01000000,
///
// Do not display read-only files.
///
FILE_DIALOG_HIDEREADONLY_FLAG = 0x02000000,
} cef_file_dialog_mode_t;
///