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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_AUTOFILL_POPUP_CONTROLLER_COMMON_H_
#define CHROME_BROWSER_UI_AUTOFILL_POPUP_CONTROLLER_COMMON_H_
#include "base/i18n/rtl.h"
#include "base/macros.h"
#include "content/public/browser/render_widget_host.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/native_widget_types.h"
namespace content {
class RenderViewHost;
class WebContents;
}
namespace autofill {
// Class that controls common functionality for Autofill style popups. Can
// determine the correct location of a popup of a desired size and can register
// a handler to key press events.
class PopupControllerCommon {
public:
PopupControllerCommon(const gfx::RectF& element_bounds,
base::i18n::TextDirection text_direction,
gfx::NativeView container_view,
content::WebContents* web_contents);
virtual ~PopupControllerCommon();
const gfx::RectF& element_bounds() const { return element_bounds_; }
bool is_rtl() const { return text_direction_ == base::i18n::RIGHT_TO_LEFT; }
gfx::NativeView container_view() { return container_view_; }
content::WebContents* web_contents() { return web_contents_; }
// Callback used to register with RenderViewHost. This can only be set once,
// or else a callback may be registered that will not be removed
// (crbug.com/338070). Call will crash if callback is already set.
void SetKeyPressCallback(content::RenderWidgetHost::KeyPressEventCallback);
// Register listener for key press events with the current RenderViewHost
// associated with |web_contents_|. If callback has already been registered,
// this has no effect.
void RegisterKeyPressCallback();
// Remove previously registered callback, assuming that the current
// RenderViewHost is the same as when it was originally registered. Safe to
// call even if the callback is not currently registered.
void RemoveKeyPressCallback();
private:
// The bounds of the text element that is the focus of the popup.
// These coordinates are in screen space.
gfx::RectF element_bounds_;
// The direction of the <input>.
base::i18n::TextDirection text_direction_;
// Weak reference
gfx::NativeView container_view_;
// The WebContents in which this object should listen for keyboard events
// while showing the popup. Can be NULL, in which case this object will not
// listen for keyboard events.
content::WebContents* web_contents_;
// The RenderViewHost that this object has registered its keyboard press
// callback with.
content::RenderViewHost* key_press_event_target_;
content::RenderWidgetHost::KeyPressEventCallback key_press_event_callback_;
DISALLOW_COPY_AND_ASSIGN(PopupControllerCommon);
};
} // namespace autofill
#endif // CHROME_BROWSER_UI_AUTOFILL_POPUP_CONTROLLER_COMMON_H_
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