Remove the experimental prominent add to app launcher flow.

chrome/browser/ui/views/location_bar/add_to_app_launcher_view.cc

-// Copyright 2014 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/add_to_app_launcher_view.h"
-
-#include "base/command_line.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
-#include "chrome/common/chrome_switches.h"
-#include "content/public/browser/web_contents.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/color_utils.h"
-#include "ui/views/controls/image_view.h"
-#include "ui/views/controls/label.h"
-#include "url/gurl.h"
-
-namespace {
-
-// TODO(benwells): Refactor common code between this and
-// ContentSettingImageView.
-const int kBackgroundImages[] = IMAGE_GRID(IDR_OMNIBOX_CONTENT_SETTING_BUBBLE);
-const int kStayOpenTimeMS = 3200;  // Time spent with animation fully open.
-
-const int kOpenTimeMS = 150;
-const int kAnimationDurationMS = (kOpenTimeMS * 2) + kStayOpenTimeMS;
-
-// Amount of padding at the edges of the bubble.  If |by_icon| is true, this
-// is the padding next to the icon; otherwise it's the padding next to the
-// label.  (We increase padding next to the label by the amount of padding
-// "built in" to the icon in order to make the bubble appear to have
-// symmetrical padding.)
-int GetBubbleOuterPadding(bool by_icon) {
-  return LocationBarView::kItemPadding - LocationBarView::kBubblePadding +
-      (by_icon ? 0 : LocationBarView::kIconInternalPadding);
-}
-
-int GetTotalSpacingWhileAnimating() {
-  return GetBubbleOuterPadding(true) + LocationBarView::kItemPadding +
-      GetBubbleOuterPadding(false);
-}
-
-}  // namespace
-
-AddToAppLauncherView::AddToAppLauncherView(LocationBarView* parent,
-                                           const gfx::FontList& font_list,
-                                           SkColor text_color,
-                                           SkColor parent_background_color)
-    : parent_(parent),
-      background_painter_(
-          views::Painter::CreateImageGridPainter(kBackgroundImages)),
-      icon_(new views::ImageView),
-      text_label_(new views::Label(base::string16(), font_list)),
-      slide_animator_(this) {
-  icon_->SetHorizontalAlignment(views::ImageView::LEADING);
-  icon_->SetImage(ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-      IDR_BOOKMARK_BAR_APPS_SHORTCUT));
-  icon_->SetTooltipText(
-      base::UTF8ToUTF16(l10n_util::GetStringUTF8(IDS_ADD_TO_APP_LIST_HINT)));
-  AddChildView(icon_);
-
-  text_label_->SetVisible(false);
-  text_label_->SetEnabledColor(text_color);
-  // Calculate the actual background color for the label.  The background images
-  // are painted atop |parent_background_color|.  We grab the color of the
-  // middle pixel of the middle image of the background, which we treat as the
-  // representative color of the entire background (reasonable, given the
-  // current appearance of these images).  Then we alpha-blend it over the
-  // parent background color to determine the actual color the label text will
-  // sit atop.
-  const SkBitmap& bitmap(
-      ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-          kBackgroundImages[4])->GetRepresentation(1.0f).sk_bitmap());
-  SkAutoLockPixels pixel_lock(bitmap);
-  SkColor background_image_color =
-      bitmap.getColor(bitmap.width() / 2, bitmap.height() / 2);
-  // Tricky bit: We alpha blend an opaque version of |background_image_color|
-  // against |parent_background_color| using the original image grid color's
-  // alpha. This is because AlphaBlend(a, b, 255) always returns |a| unchanged
-  // even if |a| is a color with non-255 alpha.
-  text_label_->SetBackgroundColor(
-      color_utils::AlphaBlend(SkColorSetA(background_image_color, 255),
-                              parent_background_color,
-                              SkColorGetA(background_image_color)));
-  text_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-  text_label_->SetElideBehavior(gfx::NO_ELIDE);
-  text_label_->SetText(base::UTF8ToUTF16(
-      l10n_util::GetStringUTF8(IDS_ADD_TO_APP_LIST_NOTIFICATION_TEXT)));
-  AddChildView(text_label_);
-
-  slide_animator_.SetSlideDuration(kAnimationDurationMS);
-  slide_animator_.SetTweenType(gfx::Tween::LINEAR);
-}
-
-AddToAppLauncherView::~AddToAppLauncherView() {
-}
-
-void AddToAppLauncherView::Update(content::WebContents* web_contents) {
-  SetVisible(false);
-
-  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  if (!command_line->HasSwitch(switches::kEnableProminentURLAppFlow) ||
-      !command_line->HasSwitch(switches::kEnableStreamlinedHostedApps) ||
-      !web_contents || web_contents->IsLoading() ||
-      !web_contents->GetLastCommittedURL().SchemeIsHTTPOrHTTPS()) {
-    slide_animator_.Reset();
-    return;
-  }
-
-  SetVisible(true);
-
-  if (!slide_animator_.is_animating()) {
-    text_label_->SetVisible(true);
-    slide_animator_.Show();
-  }
-}
-
-void AddToAppLauncherView::AnimationEnded(const gfx::Animation* animation) {
-  slide_animator_.Reset();
-  text_label_->SetVisible(false);
-  AnimationProgressed(animation);
-}
-
-void AddToAppLauncherView::AnimationProgressed(
-    const gfx::Animation* animation) {
-  parent_->Layout();
-  parent_->SchedulePaint();
-}
-
-void AddToAppLauncherView::AnimationCanceled(const gfx::Animation* animation) {
-  AnimationEnded(animation);
-}
-
-gfx::Size AddToAppLauncherView::GetPreferredSize() const {
-  // Height will be ignored by the LocationBarView.
-  gfx::Size size(icon_->GetPreferredSize());
-  if (slide_animator_.is_animating()) {
-    double state = slide_animator_.GetCurrentValue();
-    // The fraction of the animation we'll spend animating the string into view,
-    // which is also the fraction we'll spend animating it closed; total
-    // animation (slide out, show, then slide in) is 1.0.
-    const double kOpenFraction =
-        static_cast<double>(kOpenTimeMS) / kAnimationDurationMS;
-    double size_fraction = 1.0;
-    if (state < kOpenFraction)
-      size_fraction = state / kOpenFraction;
-    if (state > (1.0 - kOpenFraction))
-      size_fraction = (1.0 - state) / kOpenFraction;
-    size.Enlarge(
-        size_fraction * (text_label_->GetPreferredSize().width() +
-            GetTotalSpacingWhileAnimating()), 0);
-    size.SetToMax(background_painter_->GetMinimumSize());
-  }
-  return size;
-}
-
-void AddToAppLauncherView::Layout() {
-  const int icon_width = icon_->GetPreferredSize().width();
-  icon_->SetBounds(
-      std::min((width() - icon_width) / 2, GetBubbleOuterPadding(true)),
-      0,
-      icon_width,
-      height());
-  text_label_->SetBounds(
-      icon_->bounds().right() + LocationBarView::kItemPadding,
-      0,
-      std::max(width() - GetTotalSpacingWhileAnimating() - icon_width, 0),
-      height());
-}
-
-void AddToAppLauncherView::OnPaintBackground(gfx::Canvas* canvas) {
-  if (slide_animator_.is_animating())
-    background_painter_->Paint(canvas, size());
-}