This change introduces a few minor CEF API behavior changes:
- A CefProcessMessage object cannot be reused after being passed to
SendProcessMessage.
- The |extra_info| argument to CefRenderProcessHandler::OnBrowserCreated may
now be NULL.
Where appropriate, we now utilize the default UTF string encoding format and
shared memory to reduce copies and conversions for the cross-process
transfer of arbitrary-length strings. For example, CefFrame::GetSource/GetText
now involves zero UTF conversions and zero copies in the browser process for
the CefString delivered to CefStringVisitor::Visit().
The Browser object represents the top-level Chrome browser window. One or more
tabs (WebContents) are then owned by the Browser object via TabStripModel. A
new Browser object can be created programmatically using "new Browser" or
Browser::Create, or as a result of user action such as dragging a tab out of an
existing window. New or existing tabs can also be added to an already existing
Browser object.
The Browser object acts as the WebContentsDelegate for all attached tabs. CEF
integration requires WebContentsDelegate callbacks and notification of tab
attach/detach. To support this integration we add a cef::BrowserDelegate
(ChromeBrowserDelegate) member that is created in the Browser constructor and
receives delegation for the Browser callbacks. ChromeBrowserDelegate creates a
new ChromeBrowserHostImpl when a tab is added to a Browser for the first time,
and that ChromeBrowserHostImpl continues to exist until the tab's WebContents
is destroyed. The associated WebContents object does not change, but the
Browser object will change when the tab is dragged between windows.
CEF callback logic is shared between the chrome and alloy runtimes where
possible. This shared logic has been extracted from CefBrowserHostImpl to
create new CefBrowserHostBase and CefBrowserContentsDelegate classes. The
CefBrowserHostImpl class is now only used with the alloy runtime and will be
renamed to AlloyBrowserHostImpl in a future commit.
- Windows: 10.0.19041 SDK is now required.
- macOS: 10.15.1 SDK (at least Xcode 11.2) is now required.
- Remove CefMediaSource::IsValid and CefMediaSink::IsValid which would
always return true.
To test:
- All tests pass with NetworkService disabled. DownloadTest.*, ExtensionTest.*
and PluginTest.* tests pass with NetworkService enabled.
- The PDF extension displays a file, and the download and print buttons work.
- Introduce native/ and osr/ folders for native (non-platform-agnostic) and
osr (windowless) code respectively.
- Introduce CefBrowserPlatformDelegate for abstracting platform-specific
implementations of browser host functionality.
- Move dialog and menu code to separate manager and platform-specific runner
implementations exposed via CefBrowserPlatformDelegate.
- Standardize focus-handling behavior between windowed and windowless
implementations. CefFocusHandler::OnSetFocus() will now also be called for
osr focus changes.
- Support multiple simultaneous popups (issue #1289).
- Standardize file dialog behavior across all platforms (issue #1492).
-- Show a file type filter list on OS X.
-- Show the file extensions as part of the filter list description on all platforms (e.g. "Image Types (*.png;*.gif;*.jpg)").
-- Rename the CefBrowserHost::RunFileDialog |accept_types| argument to |accept_filters| and expand support for filters that will be displayed as-is in addition to the currently supported mime-type and extension-based filters. For example, a filter value of "Supported Image Types|.png;.gif;.jpg" will display "Supported Image Types (*.png;*.gif;*.jpg)" in the filter drop-down list and accept *.png, *.gif and *.jpg files.
-- Persist the selected filter item index by passing a new |selected_accept_filter| argument to CefBrowserHost::RunFileDialog and returning the newly selected index via the CefRunFileDialogCallback and CefFileDialogCallback callbacks.
-- Rename the CefBrowserHost::RunFileDialog |default_file_name| argument to |default_file_path| and use the directory component, if any, to set the default directory location. If |default_file_path| ends in a trailing path separator it will be treated as a directory without a file name component.
-- Add FILE_DIALOG_OVERWRITEPROMPT_FLAG and FILE_DIALOG_HIDEREADONLY_FLAG values to cef_file_dialog_mode_t for controlling those behaviors where possible.
git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1973 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
- Adds support for chrome://view-http-cache/*, chrome://appcache-internals/, chrome://blob-internals/, chrome://tcmalloc/ and chrome://histograms/
git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1106 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
- Add a new CefBrowserHost::RunFileDialog method that displays the specified file chooser dialog and returns the results asynchronously (issue #761).
- Add a new CefDialogHandler::OnFileDialog callback that allows the application to provide custom UI for file chooser dialogs (issue #761).
git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@862 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
- Fix setting of CefKeyEvent.focus_on_editable_field when the underlying RenderViewHost changes.
- Fix potential crash if URLRequest objects are still in-progress upon shutdown.
git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@715 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
- Persist downloaded files after CEF exits (issue #634).
- Shutdown the DownloadManager when CEF exits.
- Don't show an error message when downloading files with cefclient.
git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@682 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
Marshall Greenblatt
Alexander Guettler
Ananyo Maiti