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// Copyright (c) 2012 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_AUTOFILL_POPUP_CONTROLLER_IMPL_H_
#define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_IMPL_H_
#include <stddef.h>
#include "base/gtest_prod_util.h"
#include "base/i18n/rtl.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string16.h"
#include "build/build_config.h"
#include "chrome/browser/ui/autofill/autofill_popup_controller.h"
#include "chrome/browser/ui/autofill/autofill_popup_layout_model.h"
#include "chrome/browser/ui/autofill/popup_controller_common.h"
#include "ui/gfx/font_list.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_f.h"
namespace autofill {
class AutofillPopupDelegate;
class AutofillPopupView;
// This class is a controller for an AutofillPopupView. It implements
// AutofillPopupController to allow calls from AutofillPopupView. The
// other, public functions are available to its instantiator.
class AutofillPopupControllerImpl : public AutofillPopupController {
public:
// Creates a new |AutofillPopupControllerImpl|, or reuses |previous| if the
// construction arguments are the same. |previous| may be invalidated by this
// call. The controller will listen for keyboard input routed to
// |web_contents| while the popup is showing, unless |web_contents| is NULL.
static base::WeakPtr<AutofillPopupControllerImpl> GetOrCreate(
base::WeakPtr<AutofillPopupControllerImpl> previous,
base::WeakPtr<AutofillPopupDelegate> delegate,
content::WebContents* web_contents,
gfx::NativeView container_view,
const gfx::RectF& element_bounds,
base::i18n::TextDirection text_direction);
// Shows the popup, or updates the existing popup with the given values.
void Show(const std::vector<autofill::Suggestion>& suggestions);
// Updates the data list values currently shown with the popup.
void UpdateDataListValues(const std::vector<base::string16>& values,
const std::vector<base::string16>& labels);
// Hides the popup and destroys the controller. This also invalidates
// |delegate_|.
void Hide() override;
// Invoked when the view was destroyed by by someone other than this class.
void ViewDestroyed() override;
bool HandleKeyPressEvent(const content::NativeWebKeyboardEvent& event);
// Tells the view to capture mouse events. Must be called before |Show()|.
void set_hide_on_outside_click(bool hide_on_outside_click);
protected:
FRIEND_TEST_ALL_PREFIXES(AutofillPopupControllerUnitTest,
ProperlyResetController);
AutofillPopupControllerImpl(base::WeakPtr<AutofillPopupDelegate> delegate,
content::WebContents* web_contents,
gfx::NativeView container_view,
const gfx::RectF& element_bounds,
base::i18n::TextDirection text_direction);
~AutofillPopupControllerImpl() override;
// AutofillPopupViewDelegate implementation.
void UpdateBoundsAndRedrawPopup() override;
void SetSelectionAtPoint(const gfx::Point& point) override;
bool AcceptSelectedLine() override;
void SelectionCleared() override;
void AcceptSuggestion(size_t index) override;
bool IsWarning(size_t index) const override;
gfx::Rect popup_bounds() const override;
gfx::NativeView container_view() override;
const gfx::RectF& element_bounds() const override;
bool IsRTL() const override;
const std::vector<autofill::Suggestion> GetSuggestions() override;
#if !defined(OS_ANDROID)
int GetElidedValueWidthForRow(size_t row) override;
int GetElidedLabelWidthForRow(size_t row) override;
#endif
// AutofillPopupController implementation.
size_t GetLineCount() const override;
const autofill::Suggestion& GetSuggestionAt(size_t row) const override;
const base::string16& GetElidedValueAt(size_t row) const override;
const base::string16& GetElidedLabelAt(size_t row) const override;
bool GetRemovalConfirmationText(int list_index,
base::string16* title,
base::string16* body) override;
bool RemoveSuggestion(int list_index) override;
#if !defined(OS_ANDROID)
const gfx::FontList& GetValueFontListForRow(size_t index) const override;
const gfx::FontList& GetLabelFontList() const override;
#endif
int selected_line() const override;
const AutofillPopupLayoutModel& layout_model() const override;
content::WebContents* web_contents();
// Change which line is currently selected by the user.
void SetSelectedLine(int selected_line);
// Increase the selected line by 1, properly handling wrapping.
void SelectNextLine();
// Decrease the selected line by 1, properly handling wrapping.
void SelectPreviousLine();
// The user has removed a suggestion.
bool RemoveSelectedLine();
// Returns true if the given id refers to an element that can be accepted.
bool CanAccept(int id);
// Returns true if the popup still has non-options entries to show the user.
bool HasSuggestions();
// Set the Autofill entry values. Exposed to allow tests to set these values
// without showing the popup.
void SetValues(const std::vector<autofill::Suggestion>& suggestions);
AutofillPopupView* view() { return view_; }
// |view_| pass throughs (virtual for testing).
virtual void ShowView();
virtual void InvalidateRow(size_t row);
base::WeakPtr<AutofillPopupControllerImpl> GetWeakPtr();
// Contains common popup functionality such as popup layout. Protected for
// testing.
scoped_ptr<PopupControllerCommon> controller_common_;
private:
#if !defined(OS_ANDROID)
FRIEND_TEST_ALL_PREFIXES(AutofillPopupControllerUnitTest, ElideText);
// Helper method which elides the value and label for the suggestion at |row|
// given the |available_width|. Puts the results in |elided_values_| and
// |elided_labels_|.
void ElideValueAndLabelForRow(size_t row, int available_width);
#endif
// Clear the internal state of the controller. This is needed to ensure that
// when the popup is reused it doesn't leak values between uses.
void ClearState();
AutofillPopupView* view_; // Weak reference.
AutofillPopupLayoutModel layout_model_;
base::WeakPtr<AutofillPopupDelegate> delegate_;
// The text direction of the popup.
base::i18n::TextDirection text_direction_;
// The current Autofill query values.
std::vector<autofill::Suggestion> suggestions_;
// Elided values and labels corresponding to the suggestions_ vector to
// ensure that it fits on the screen.
std::vector<base::string16> elided_values_;
std::vector<base::string16> elided_labels_;
#if !defined(OS_ANDROID)
// The fonts for the popup text.
// Normal font (readable size, non bold).
gfx::FontList normal_font_list_;
// Slightly smaller than the normal font.
gfx::FontList smaller_font_list_;
// Bold version of the normal font.
gfx::FontList bold_font_list_;
// Font used for the warning dialog, which may be italic or not depending on
// the platform.
gfx::FontList warning_font_list_;
#endif
// The line that is currently selected by the user.
// |kNoSelection| indicates that no line is currently selected.
int selected_line_;
base::WeakPtrFactory<AutofillPopupControllerImpl> weak_ptr_factory_;
};
} // namespace autofill
#endif // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_IMPL_H_
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