suggested_text_view.cc revision 72a454cd3513ac24fbdd0e0cb9ad70b86a99b801 
1// Copyright (c) 2011 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#include "chrome/browser/ui/views/location_bar/suggested_text_view.h"
6
7#include "chrome/browser/instant/instant_controller.h"
8#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
9#include "ui/base/animation/multi_animation.h"
10#include "ui/gfx/canvas.h"
11#include "ui/gfx/color_utils.h"
12
13SuggestedTextView::SuggestedTextView(LocationBarView* location_bar)
14    : location_bar_(location_bar),
15      bg_color_(0) {
16}
17
18SuggestedTextView::~SuggestedTextView() {
19}
20
21void SuggestedTextView::StartAnimation() {
22  StopAnimation();
23
24  animation_.reset(CreateAnimation());
25  animation_->Start();
26  UpdateBackgroundColor();
27}
28
29void SuggestedTextView::StopAnimation() {
30  if (animation_.get()) {
31    // Reset the delegate so that we don't attempt to commit in AnimationEnded.
32    animation_->set_delegate(NULL);
33    animation_.reset(NULL);
34    SetColor(LocationBarView::GetColor(ToolbarModel::NONE,
35                                       LocationBarView::DEEMPHASIZED_TEXT));
36    SchedulePaint();
37  }
38}
39
40void SuggestedTextView::PaintBackground(gfx::Canvas* canvas) {
41  if (!animation_.get() || animation_->GetCurrentValue() == 0)
42    return;
43
44  // TODO(sky): these numbers need to come from the edit.
45  canvas->FillRectInt(bg_color_, 0, 2, width(), height() - 5);
46}
47
48void SuggestedTextView::AnimationEnded(const ui::Animation* animation) {
49  location_bar_->OnCommitSuggestedText(false);
50}
51
52void SuggestedTextView::AnimationProgressed(const ui::Animation* animation) {
53  UpdateBackgroundColor();
54
55  SkColor fg_color = LocationBarView::GetColor(
56      ToolbarModel::NONE, LocationBarView::DEEMPHASIZED_TEXT);
57  SkColor sel_fg_color = LocationBarView::GetColor(
58      ToolbarModel::NONE, LocationBarView::SELECTED_TEXT);
59  SetColor(color_utils::AlphaBlend(
60      sel_fg_color, fg_color,
61      ui::Tween::ValueBetween(animation->GetCurrentValue(), 0, 255)));
62
63  SchedulePaint();
64}
65
66void SuggestedTextView::AnimationCanceled(const ui::Animation* animation) {
67}
68
69ui::Animation* SuggestedTextView::CreateAnimation() {
70  ui::MultiAnimation::Parts parts;
71  parts.push_back(ui::MultiAnimation::Part(
72      InstantController::kAutoCommitPauseTimeMS, ui::Tween::ZERO));
73  parts.push_back(ui::MultiAnimation::Part(
74      InstantController::kAutoCommitFadeInTimeMS, ui::Tween::EASE_IN));
75  ui::MultiAnimation* animation = new ui::MultiAnimation(parts);
76  animation->set_delegate(this);
77  animation->set_continuous(false);
78  return animation;
79}
80
81void SuggestedTextView::UpdateBackgroundColor() {
82  if (!animation_.get()) {
83    // Background only painted while animating.
84    return;
85  }
86
87  double value = animation_->GetCurrentValue();
88  SkColor bg_color = LocationBarView::GetColor(ToolbarModel::NONE,
89                                               LocationBarView::BACKGROUND);
90#if defined(OS_WIN)
91  SkColor s_color = color_utils::GetSysSkColor(COLOR_HIGHLIGHT);
92#else
93  // TODO(sky): fix me.
94  NOTIMPLEMENTED();
95  SkColor s_color = SK_ColorLTGRAY;
96#endif
97  bg_color_ = color_utils::AlphaBlend(s_color, bg_color,
98                                      ui::Tween::ValueBetween(value, 0, 255));
99}
100