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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.
#include "chrome/browser/ui/views/location_bar/suggested_text_view.h"
#include "chrome/browser/autocomplete/autocomplete_edit.h"
#include "chrome/browser/instant/instant_controller.h"
#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
#include "ui/base/animation/multi_animation.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/color_utils.h"
SuggestedTextView::SuggestedTextView(AutocompleteEditModel* edit_model)
: edit_model_(edit_model),
bg_color_(0) {
SetHorizontalAlignment(views::Label::ALIGN_LEFT);
SetAutoColorReadabilityEnabled(false);
SetEnabledColor(LocationBarView::GetColor(ToolbarModel::NONE,
LocationBarView::DEEMPHASIZED_TEXT));
}
SuggestedTextView::~SuggestedTextView() {
}
void SuggestedTextView::StartAnimation() {
StopAnimation();
animation_.reset(CreateAnimation());
animation_->Start();
UpdateBackgroundColor();
}
void SuggestedTextView::StopAnimation() {
if (animation_.get()) {
// Reset the delegate so that we don't attempt to commit in AnimationEnded.
animation_->set_delegate(NULL);
animation_.reset(NULL);
SetEnabledColor(LocationBarView::GetColor(ToolbarModel::NONE,
LocationBarView::DEEMPHASIZED_TEXT));
SchedulePaint();
}
}
void SuggestedTextView::OnPaintBackground(gfx::Canvas* canvas) {
if (!animation_.get() || animation_->GetCurrentValue() == 0)
return;
// TODO(sky): these numbers need to come from the edit.
canvas->FillRect(gfx::Rect(0, 2, width(), height() - 5), bg_color_);
}
void SuggestedTextView::AnimationEnded(const ui::Animation* animation) {
edit_model_->CommitSuggestedText(false);
}
void SuggestedTextView::AnimationProgressed(const ui::Animation* animation) {
UpdateBackgroundColor();
SkColor fg_color = LocationBarView::GetColor(
ToolbarModel::NONE, LocationBarView::DEEMPHASIZED_TEXT);
SkColor sel_fg_color = LocationBarView::GetColor(
ToolbarModel::NONE, LocationBarView::SELECTED_TEXT);
SetEnabledColor(color_utils::AlphaBlend(sel_fg_color, fg_color,
ui::Tween::ValueBetween(animation->GetCurrentValue(), 0, 255)));
SchedulePaint();
}
void SuggestedTextView::AnimationCanceled(const ui::Animation* animation) {
}
ui::Animation* SuggestedTextView::CreateAnimation() {
ui::MultiAnimation::Parts parts;
parts.push_back(ui::MultiAnimation::Part(
InstantController::kAutoCommitPauseTimeMS, ui::Tween::ZERO));
parts.push_back(ui::MultiAnimation::Part(
InstantController::kAutoCommitFadeInTimeMS, ui::Tween::EASE_IN));
ui::MultiAnimation* animation = new ui::MultiAnimation(parts);
animation->set_delegate(this);
animation->set_continuous(false);
return animation;
}
void SuggestedTextView::UpdateBackgroundColor() {
if (!animation_.get()) {
// Background only painted while animating.
return;
}
double value = animation_->GetCurrentValue();
SkColor bg_color = LocationBarView::GetColor(ToolbarModel::NONE,
LocationBarView::BACKGROUND);
#if defined(OS_WIN)
SkColor s_color = color_utils::GetSysSkColor(COLOR_HIGHLIGHT);
#else
// TODO(sky): fix me.
NOTIMPLEMENTED();
SkColor s_color = SK_ColorLTGRAY;
#endif
bg_color_ = color_utils::AlphaBlend(s_color, bg_color,
ui::Tween::ValueBetween(value, 0, 255));
}
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