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Support JavaScript window.moveTo/By() and resizeTo/By() (fixes #698)

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Adds new CefDisplayHandler::OnContentsBoundsChange and
CefDisplayHandler::GetRootWindowScreenRect callbacks.

cefclient: Implement the above callbacks and call
CefBrowserHost::NotifyScreenInfoChanged when the root window
bounds change.

cefclient: osr: Use real screen bounds by default. Pass
`--fake-screen-bounds` for the old default behavior.

Load https://tests/window in cefclient for additional
implementation details and usage examples.
This commit is contained in:
Marshall Greenblatt
2025-04-23 20:33:07 -04:00
parent f59112d839
commit faa85bf980
68 changed files with 1725 additions and 700 deletions
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22
tests/cefclient/browser/client_handler.h
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@ -71,6 +71,9 @@ class ClientHandler : public BaseClientHandler,
// Auto-resize contents.
virtual void OnAutoResize(const CefSize& new_size) = 0;
// Set contents bounds.
virtual void OnContentsBounds(const CefRect& new_bounds) = 0;
// Set the loading state.
virtual void OnSetLoadingState(bool isLoading,
bool canGoBack,
@ -89,6 +92,9 @@ class ClientHandler : public BaseClientHandler,
// Called on the UI thread before a context menu is displayed.
virtual void OnBeforeContextMenu(CefRefPtr<CefMenuModel> model) {}
// Called on the UI thread to retrieve root window bounds.
virtual bool GetRootWindowScreenRect(CefRect& rect) { return false; }
protected:
virtual ~Delegate() = default;
};
@ -101,7 +107,8 @@ class ClientHandler : public BaseClientHandler,
const std::string& startup_url);
// This object may outlive the Delegate object so it's necessary for the
// Delegate to detach itself before destruction.
// Delegate to detach itself before destruction. Called on the main thread
// after the browser has closed.
void DetachDelegate();
// CefClient methods
@ -176,6 +183,12 @@ class ClientHandler : public BaseClientHandler,
CefCursorHandle cursor,
cef_cursor_type_t type,
const CefCursorInfo& custom_cursor_info) override;
#if CEF_API_ADDED(CEF_NEXT)
bool OnContentsBoundsChange(CefRefPtr<CefBrowser> browser,
const CefRect& new_bounds) override;
bool GetRootWindowScreenRect(CefRefPtr<CefBrowser> browser,
CefRect& rect) override;
#endif
// CefDownloadHandler methods
bool CanDownload(CefRefPtr<CefBrowser> browser,
@ -345,6 +358,7 @@ class ClientHandler : public BaseClientHandler,
void NotifyFavicon(CefRefPtr<CefImage> image);
void NotifyFullscreen(bool fullscreen);
void NotifyAutoResize(const CefSize& new_size);
void NotifyContentsBounds(const CefRect& new_bounds);
void NotifyLoadingState(bool isLoading, bool canGoBack, bool canGoForward);
void NotifyDraggableRegions(const std::vector<CefDraggableRegion>& regions);
void NotifyTakeFocus(bool next);
@ -396,11 +410,7 @@ class ClientHandler : public BaseClientHandler,
CefRefPtr<ClientPrintHandlerGtk> print_handler_;
#endif
// MAIN THREAD MEMBERS
// The following members will only be accessed on the main thread. This will
// be the same as the CEF UI thread except when using multi-threaded message
// loop mode on Windows.
// Safe to access from any thread during browser lifetime.
Delegate* delegate_;
// UI THREAD MEMBERS