c8dc2d3730
The new `will-resize` event can be used to prevent the resize from happening before the native window is actually resized. This is in contrast to the existing the `resize` event, which is sent *after* the native window has already been resized. For apps with e.g. custom window snapping logic, the `resize` event is not sufficient because it will result in flickering between the dragged size and the snapped size. `will-resize` is only emitted on macOS and Windows.
99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
// Copyright (c) 2013 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ATOM_BROWSER_NATIVE_WINDOW_OBSERVER_H_
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#define ATOM_BROWSER_NATIVE_WINDOW_OBSERVER_H_
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#include <string>
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#include "base/strings/string16.h"
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#include "base/values.h"
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#include "ui/base/window_open_disposition.h"
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#include "url/gurl.h"
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#if defined(OS_WIN)
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#include <windows.h>
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#endif
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namespace gfx {
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class Rect;
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}
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namespace atom {
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class NativeWindowObserver {
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public:
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virtual ~NativeWindowObserver() {}
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// Called when the web page in window wants to create a popup window.
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virtual void WillCreatePopupWindow(const base::string16& frame_name,
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const GURL& target_url,
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const std::string& partition_id,
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WindowOpenDisposition disposition) {}
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// Called when user is starting an navigation in web page.
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virtual void WillNavigate(bool* prevent_default, const GURL& url) {}
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// Called when the window is gonna closed.
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virtual void WillCloseWindow(bool* prevent_default) {}
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// Called when the window wants to know the preferred width.
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virtual void RequestPreferredWidth(int* width) {}
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// Called when closed button is clicked.
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virtual void OnCloseButtonClicked(bool* prevent_default) {}
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// Called when the window is closed.
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virtual void OnWindowClosed() {}
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// Called when Windows sends WM_ENDSESSION message
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virtual void OnWindowEndSession() {}
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// Called when window loses focus.
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virtual void OnWindowBlur() {}
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// Called when window gains focus.
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virtual void OnWindowFocus() {}
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// Called when window is shown.
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virtual void OnWindowShow() {}
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// Called when window is hidden.
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virtual void OnWindowHide() {}
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// Called when window state changed.
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virtual void OnWindowMaximize() {}
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virtual void OnWindowUnmaximize() {}
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virtual void OnWindowMinimize() {}
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virtual void OnWindowRestore() {}
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virtual void OnWindowWillResize(const gfx::Rect& new_bounds,
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bool* prevent_default) {}
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virtual void OnWindowResize() {}
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virtual void OnWindowMove() {}
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virtual void OnWindowMoved() {}
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virtual void OnWindowScrollTouchBegin() {}
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virtual void OnWindowScrollTouchEnd() {}
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virtual void OnWindowSwipe(const std::string& direction) {}
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virtual void OnWindowSheetBegin() {}
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virtual void OnWindowSheetEnd() {}
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virtual void OnWindowEnterFullScreen() {}
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virtual void OnWindowLeaveFullScreen() {}
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virtual void OnWindowEnterHtmlFullScreen() {}
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virtual void OnWindowLeaveHtmlFullScreen() {}
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virtual void OnTouchBarItemResult(const std::string& item_id,
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const base::DictionaryValue& details) {}
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virtual void OnNewWindowForTab() {}
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// Called when window message received
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#if defined(OS_WIN)
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virtual void OnWindowMessage(UINT message, WPARAM w_param, LPARAM l_param) {}
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#endif
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// Called on Windows when App Commands arrive (WM_APPCOMMAND)
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virtual void OnExecuteWindowsCommand(const std::string& command_name) {}
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};
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} // namespace atom
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#endif // ATOM_BROWSER_NATIVE_WINDOW_OBSERVER_H_
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