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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_COCOA_OMNIBOX_OMNIBOX_POPUP_VIEW_MAC_H_
#define CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_POPUP_VIEW_MAC_H_
#import <Cocoa/Cocoa.h>
#include "base/basictypes.h"
#include "base/mac/scoped_nsobject.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/autocomplete/autocomplete_match.h"
#import "chrome/browser/ui/cocoa/omnibox/omnibox_popup_matrix.h"
#include "chrome/browser/ui/omnibox/omnibox_popup_view.h"
#include "ui/gfx/font.h"
class AutocompleteResult;
class OmniboxEditModel;
class OmniboxPopupModel;
class OmniboxView;
// Implements OmniboxPopupView using a raw NSWindow containing an
// NSTableView.
class OmniboxPopupViewMac : public OmniboxPopupView,
public OmniboxPopupMatrixDelegate {
public:
OmniboxPopupViewMac(OmniboxView* omnibox_view,
OmniboxEditModel* edit_model,
NSTextField* field);
virtual ~OmniboxPopupViewMac();
// Overridden from OmniboxPopupView:
virtual bool IsOpen() const OVERRIDE;
virtual void InvalidateLine(size_t line) OVERRIDE {}
virtual void UpdatePopupAppearance() OVERRIDE;
virtual gfx::Rect GetTargetBounds() OVERRIDE;
// This is only called by model in SetSelectedLine() after updating
// everything. Popup should already be visible.
virtual void PaintUpdatesNow() OVERRIDE;
virtual void OnDragCanceled() OVERRIDE {}
// Overridden from OmniboxPopupMatrixDelegate:
virtual void OnMatrixRowSelected(OmniboxPopupMatrix* matrix,
size_t row) OVERRIDE;
virtual void OnMatrixRowClicked(OmniboxPopupMatrix* matrix,
size_t row) OVERRIDE;
virtual void OnMatrixRowMiddleClicked(OmniboxPopupMatrix* matrix,
size_t row) OVERRIDE;
OmniboxPopupMatrix* matrix() { return matrix_; }
// Return the text to show for the match, based on the match's
// contents and description. Result will be in |font|, with the
// boldfaced version used for matches.
static NSAttributedString* MatchText(const AutocompleteMatch& match,
gfx::Font& font,
float cell_width);
// Applies the given font and colors to the match string based on
// classifications.
static NSMutableAttributedString* DecorateMatchedString(
const base::string16& match_string,
const AutocompleteMatch::ACMatchClassifications& classifications,
NSColor* text_color,
NSColor* dim_text_color,
gfx::Font& font);
// Helper for MatchText() to elide a marked-up string using
// gfx::ElideText() as a model. Modifies |a_string| in place.
// TODO(shess): Consider breaking AutocompleteButtonCell out of this
// code, and modifying it to have something like -setMatch:, so that
// these convolutions to expose internals for testing can be
// cleaner.
static NSMutableAttributedString* ElideString(
NSMutableAttributedString* a_string,
const base::string16& original_string,
const gfx::Font& font,
const float cell_width);
protected:
// Gets the autocomplete results. This is virtual so that it can be overriden
// by tests.
virtual const AutocompleteResult& GetResult() const;
private:
// Create the popup_ instance if needed.
void CreatePopupIfNeeded();
// Calculate the appropriate position for the popup based on the
// field's screen position and the given target for the matrix
// height, and makes the popup visible. Animates to the new frame
// if the popup shrinks, snaps to the new frame if the popup grows,
// allows existing animations to continue if the size doesn't
// change.
void PositionPopup(const CGFloat matrixHeight);
// Returns the NSImage that should be used as an icon for the given match.
NSImage* ImageForMatch(const AutocompleteMatch& match);
// Opens the URL at the given row.
void OpenURLForRow(size_t row, WindowOpenDisposition disposition);
OmniboxView* omnibox_view_;
scoped_ptr<OmniboxPopupModel> model_;
NSTextField* field_; // owned by tab controller
// Child window containing a matrix which implements the popup.
base::scoped_nsobject<NSWindow> popup_;
NSRect target_popup_frame_;
base::scoped_nsobject<OmniboxPopupMatrix> matrix_;
base::scoped_nsobject<NSView> top_separator_view_;
base::scoped_nsobject<NSView> bottom_separator_view_;
base::scoped_nsobject<NSBox> background_view_;
DISALLOW_COPY_AND_ASSIGN(OmniboxPopupViewMac);
};
#endif // CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_POPUP_VIEW_MAC_H_
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