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Side by Side Diff: chrome/browser/ui/views/autocomplete/autocomplete_result_view.h

Issue 10556031: views: Move autocomplete files into omnibox directory. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: fix nits Created 8 years, 6 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef CHROME_BROWSER_UI_VIEWS_AUTOCOMPLETE_AUTOCOMPLETE_RESULT_VIEW_H_
6 #define CHROME_BROWSER_UI_VIEWS_AUTOCOMPLETE_AUTOCOMPLETE_RESULT_VIEW_H_
7 #pragma once
8
9 #include "chrome/browser/autocomplete/autocomplete_match.h"
10 #include "third_party/skia/include/core/SkColor.h"
11 #include "ui/base/animation/animation_delegate.h"
12 #include "ui/base/animation/slide_animation.h"
13 #include "ui/gfx/font.h"
14 #include "ui/gfx/rect.h"
15 #include "ui/views/controls/image_view.h"
16 #include "ui/views/view.h"
17
18 class AutocompleteResultViewModel;
19
20 namespace gfx {
21 class Canvas;
22 }
23
24 class AutocompleteResultView : public views::View,
25 private ui::AnimationDelegate {
26 public:
27 // Keep these ordered from least dominant (normal) to most dominant
28 // (selected).
29 enum ResultViewState {
30 NORMAL = 0,
31 HOVERED,
32 SELECTED,
33 NUM_STATES
34 };
35
36 enum ColorKind {
37 BACKGROUND = 0,
38 TEXT,
39 DIMMED_TEXT,
40 URL,
41 DIVIDER,
42 NUM_KINDS
43 };
44
45 AutocompleteResultView(AutocompleteResultViewModel* model,
46 int model_index,
47 const gfx::Font& font,
48 const gfx::Font& bold_font);
49 virtual ~AutocompleteResultView();
50
51 static SkColor GetColor(ResultViewState state, ColorKind kind);
52
53 // Updates the match used to paint the contents of this result view. We copy
54 // the match so that we can continue to paint the last result even after the
55 // model has changed.
56 void SetMatch(const AutocompleteMatch& match);
57
58 void ShowKeyword(bool show_keyword);
59
60 void Invalidate();
61
62 // views::View:
63 virtual gfx::Size GetPreferredSize() OVERRIDE;
64
65 ResultViewState GetState() const;
66
67 protected:
68 virtual void PaintMatch(gfx::Canvas* canvas,
69 const AutocompleteMatch& match,
70 int x);
71
72 // Returns the height of the text portion of the result view. In the base
73 // class, this is the height of one line of text.
74 virtual int GetTextHeight() const;
75
76 // Draws the specified |text| into the canvas, using highlighting provided by
77 // |classifications|. If |force_dim| is true, ACMatchClassification::DIM is
78 // added to all of the classifications. Returns the x position to the right
79 // of the string.
80 int DrawString(gfx::Canvas* canvas,
81 const string16& text,
82 const ACMatchClassifications& classifications,
83 bool force_dim,
84 int x,
85 int y);
86
87 const gfx::Rect& text_bounds() const { return text_bounds_; }
88
89 void set_edge_item_padding(int value) { edge_item_padding_ = value; }
90 void set_item_padding(int value) { item_padding_ = value; }
91 void set_minimum_text_vertical_padding(int value) {
92 minimum_text_vertical_padding_ = value;
93 }
94
95 private:
96 struct ClassificationData;
97 typedef std::vector<ClassificationData> Classifications;
98
99 struct RunData;
100 typedef std::vector<RunData> Runs;
101
102 // Predicate functions for use when sorting the runs.
103 static bool SortRunsLogically(const RunData& lhs, const RunData& rhs);
104 static bool SortRunsVisually(const RunData& lhs, const RunData& rhs);
105
106 const SkBitmap* GetIcon() const;
107 const gfx::ImageSkia* GetKeywordIcon() const;
108
109 // Elides |runs| to fit in |remaining_width|. The runs in |runs| should be in
110 // logical order.
111 //
112 // When we need to elide a run, the ellipsis will be placed at the end of that
113 // run. This means that if we elide a run whose visual direction is opposite
114 // that of the drawing context, the ellipsis will not be at the "end" of the
115 // drawn string. For example, if in an LTR context we have the LTR run
116 // "LTR_STRING" and the RTL run "RTL_STRING", the unelided text would be drawn
117 // like:
118 // LTR_STRING GNIRTS_LTR
119 // If we need to elide the RTL run, then it will be drawn like:
120 // LTR_STRING ...RTS_LTR
121 // Instead of:
122 // LTR_STRING RTS_LTR...
123 void Elide(Runs* runs, int remaining_width) const;
124
125 // views::View:
126 virtual void Layout() OVERRIDE;
127 virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
128 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
129
130 // ui::AnimationDelegate:
131 virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
132
133 static int default_icon_size_;
134
135 // Default values cached here, may be overridden using the setters above.
136 int edge_item_padding_;
137 int item_padding_;
138 int minimum_text_vertical_padding_;
139
140 // This row's model and model index.
141 AutocompleteResultViewModel* model_;
142 size_t model_index_;
143
144 const gfx::Font normal_font_;
145 const gfx::Font bold_font_;
146
147 // Width of the ellipsis in the normal font.
148 int ellipsis_width_;
149
150 // A context used for mirroring regions.
151 class MirroringContext;
152 scoped_ptr<MirroringContext> mirroring_context_;
153
154 AutocompleteMatch match_;
155
156 gfx::Rect text_bounds_;
157 gfx::Rect icon_bounds_;
158
159 gfx::Rect keyword_text_bounds_;
160 scoped_ptr<views::ImageView> keyword_icon_;
161
162 scoped_ptr<ui::SlideAnimation> animation_;
163
164 DISALLOW_COPY_AND_ASSIGN(AutocompleteResultView);
165 };
166
167 #endif // CHROME_BROWSER_UI_VIEWS_AUTOCOMPLETE_AUTOCOMPLETE_RESULT_VIEW_H_
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