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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_FUNCTION_DETAILS_H_
#define CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_FUNCTION_DETAILS_H_
#include "base/memory/raw_ptr.h"
#include "ui/gfx/native_widget_types.h"
class ExtensionFunction;
namespace extensions {
class WindowController;
}
// Provides Chrome-specific details to ExtensionFunction
// implementations.
class ChromeExtensionFunctionDetails {
public:
// Constructs a new ChromeExtensionFunctionDetails instance for `function`.
// This instance does not own `function`. `function` must outlive this
// instance.
explicit ChromeExtensionFunctionDetails(ExtensionFunction* function);
ChromeExtensionFunctionDetails(const ChromeExtensionFunctionDetails&) =
delete;
ChromeExtensionFunctionDetails& operator=(
const ChromeExtensionFunctionDetails&) = delete;
~ChromeExtensionFunctionDetails();
// Gets the "current" WindowController, if any.
//
// Many extension APIs operate relative to the current window, which is the
// browser window the calling code is running inside of. For example, popups
// and tabs all have a containing browser, but background pages and
// notification bubbles do not.
//
// If there is no containing window, the current browser defaults to the
// foremost one.
//
// Incognito browsers are not considered unless the calling extension has
// incognito access enabled.
//
// This method can return NULL if there is no matching browser window, which
// can happen if only incognito windows are open, or early in startup or
// shutdown shutdown when there are no active windows.
//
// TODO(devlin): This method is incredibly non-deterministic (sometimes just
// returning "any" browser), and almost never the right thing to use. Instead,
// use ExtensionFunction::GetSenderWebContents(). We should get rid of this.
extensions::WindowController* GetCurrentWindowController() const;
// Find a UI surface to display any UI (like a permission prompt) for the
// extension calling this function. This will check, in order of preference,
// - The current window for the function (as defined by
// WindowControllerList::CurrentWindowForFunction()),
// - The sender web contents
// - Open app windows
// - A browser with the same profile
gfx::NativeWindow GetNativeWindowForUI();
// Returns a pointer to the associated ExtensionFunction
ExtensionFunction* function() { return function_; }
const ExtensionFunction* function() const { return function_; }
private:
// The function for which these details have been created. Must outlive the
// ChromeExtensionFunctionDetails instance.
raw_ptr<ExtensionFunction> function_;
};
#endif // CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_FUNCTION_DETAILS_H_
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