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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_VIEWS_OMNIBOX_OMNIBOX_RESULT_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_RESULT_VIEW_H_
#include <vector>
#include "base/gtest_prod_util.h"
#include "components/omnibox/autocomplete_match.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/animation/animation_delegate.h"
#include "ui/gfx/animation/slide_animation.h"
#include "ui/gfx/font_list.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/view.h"
class LocationBarView;
class OmniboxPopupContentsView;
namespace gfx {
class Canvas;
class RenderText;
}
class OmniboxResultView : public views::View,
private gfx::AnimationDelegate {
public:
// Keep these ordered from least dominant (normal) to most dominant
// (selected).
enum ResultViewState {
NORMAL = 0,
HOVERED,
SELECTED,
NUM_STATES
};
enum ColorKind {
BACKGROUND = 0,
TEXT,
DIMMED_TEXT,
URL,
DIVIDER,
NUM_KINDS
};
OmniboxResultView(OmniboxPopupContentsView* model,
int model_index,
LocationBarView* location_bar_view,
const gfx::FontList& font_list);
~OmniboxResultView() override;
SkColor GetColor(ResultViewState state, ColorKind kind) const;
// Updates the match used to paint the contents of this result view. We copy
// the match so that we can continue to paint the last result even after the
// model has changed.
void SetMatch(const AutocompleteMatch& match);
void ShowKeyword(bool show_keyword);
void Invalidate();
// views::View:
gfx::Size GetPreferredSize() const override;
ResultViewState GetState() const;
// Returns the height of the text portion of the result view. In the base
// class, this is the height of one line of text.
virtual int GetTextHeight() const;
// Returns the display width required for the match contents.
int GetMatchContentsWidth() const;
protected:
// Paints the given |match| using the RenderText instances |contents| and
// |description| at offset |x| in the bounds of this view.
virtual void PaintMatch(const AutocompleteMatch& match,
gfx::RenderText* contents,
gfx::RenderText* description,
gfx::Canvas* canvas,
int x) const;
// Draws given |render_text| on |canvas| at given location (|x|, |y|).
// |contents| indicates whether the |render_text| is for the match contents
// (rather than the separator or the description). Additional properties from
// |match| are used to render Infinite suggestions correctly. If |max_width|
// is a non-negative number, the text will be elided to fit within
// |max_width|. Returns the x position to the right of the string.
int DrawRenderText(const AutocompleteMatch& match,
gfx::RenderText* render_text,
bool contents,
gfx::Canvas* canvas,
int x,
int y,
int max_width) const;
// Creates a RenderText with given |text| and rendering defaults.
scoped_ptr<gfx::RenderText> CreateRenderText(
const base::string16& text) const;
// Creates a RenderText with default rendering for the given |text|. The
// |classifications| and |force_dim| are used to style the text.
scoped_ptr<gfx::RenderText> CreateClassifiedRenderText(
const base::string16& text,
const ACMatchClassifications& classifications,
bool force_dim) const;
const gfx::Rect& text_bounds() const { return text_bounds_; }
void set_edge_item_padding(int value) { edge_item_padding_ = value; }
void set_item_padding(int value) { item_padding_ = value; }
void set_minimum_text_vertical_padding(int value) {
minimum_text_vertical_padding_ = value;
}
private:
gfx::ImageSkia GetIcon() const;
const gfx::ImageSkia* GetKeywordIcon() const;
// Whether to render only the keyword match. Returns true if |match_| has an
// associated keyword match that has been animated so close to the start that
// the keyword match will hide even the icon of the regular match.
bool ShowOnlyKeywordMatch() const;
// Resets all RenderTexts for contents and description of the |match_| and its
// associated keyword match.
void ResetRenderTexts() const;
// Initializes |contents_rendertext_| if it is NULL.
void InitContentsRenderTextIfNecessary() const;
// views::View:
void Layout() override;
void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
void OnPaint(gfx::Canvas* canvas) override;
// gfx::AnimationDelegate:
void AnimationProgressed(const gfx::Animation* animation) override;
// Returns the offset at which the contents of the |match| should be displayed
// within the text bounds. The directionality of UI and match contents is used
// to determine the offset relative to the correct edge.
int GetDisplayOffset(const AutocompleteMatch& match,
bool is_ui_rtl,
bool is_match_contents_rtl) const;
static int default_icon_size_;
// Default values cached here, may be overridden using the setters above.
int edge_item_padding_;
int item_padding_;
int minimum_text_vertical_padding_;
// This row's model and model index.
OmniboxPopupContentsView* model_;
size_t model_index_;
LocationBarView* location_bar_view_;
const gfx::FontList font_list_;
int font_height_;
// A context used for mirroring regions.
class MirroringContext;
scoped_ptr<MirroringContext> mirroring_context_;
AutocompleteMatch match_;
gfx::Rect text_bounds_;
gfx::Rect icon_bounds_;
gfx::Rect keyword_text_bounds_;
scoped_ptr<views::ImageView> keyword_icon_;
scoped_ptr<gfx::SlideAnimation> animation_;
// We preserve these RenderTexts so that we won't recreate them on every call
// to GetMatchContentsWidth() or OnPaint().
mutable scoped_ptr<gfx::RenderText> contents_rendertext_;
mutable scoped_ptr<gfx::RenderText> description_rendertext_;
mutable scoped_ptr<gfx::RenderText> separator_rendertext_;
mutable scoped_ptr<gfx::RenderText> keyword_contents_rendertext_;
mutable scoped_ptr<gfx::RenderText> keyword_description_rendertext_;
mutable int separator_width_;
DISALLOW_COPY_AND_ASSIGN(OmniboxResultView);
};
#endif // CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_RESULT_VIEW_H_
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