Remove implementation of Panels on OSes other than ChromeOS.

chrome/browser/ui/panels/panel_bounds_animation.cc

-// 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/panels/panel_bounds_animation.h"
-
-#include "chrome/browser/ui/panels/panel.h"
-#include "chrome/browser/ui/panels/panel_manager.h"
-
-namespace {
-
-// These values are experimental and subjective.
-const int kDefaultFramerateHz = 50;
-const int kSetBoundsAnimationMs = 180;
-const int kSetBoundsAnimationBigMinimizeMs = 1500;
-
-}
-
-PanelBoundsAnimation::PanelBoundsAnimation(gfx::AnimationDelegate* target,
-                                           Panel* panel,
-                                           const gfx::Rect& initial_bounds,
-                                           const gfx::Rect& final_bounds)
-    : gfx::LinearAnimation(kDefaultFramerateHz, target),
-      panel_(panel),
-      for_big_minimize_(false),
-      animation_stop_to_show_titlebar_(0) {
-  // Detect animation that happens when expansion state is set to MINIMIZED
-  // and there is relatively big portion of the panel to hide from view.
-  // Initialize animation differently in this case, using fast-pause-slow
-  // method, see below for more details.
-  int duration = kSetBoundsAnimationMs;
-  if (initial_bounds.height() > final_bounds.height() &&
-      panel_->expansion_state() == Panel::MINIMIZED) {
-    double hidden_title_height =
-        panel_->TitleOnlyHeight() - final_bounds.height();
-    double distance_y = initial_bounds.height() - final_bounds.height();
-    animation_stop_to_show_titlebar_ = 1.0 - hidden_title_height / distance_y;
-    if (animation_stop_to_show_titlebar_ > 0.7) {  // Relatively big movement.
-      for_big_minimize_ = true;
-      duration = kSetBoundsAnimationBigMinimizeMs;
-    }
-  }
-  SetDuration(PanelManager::AdjustTimeInterval(duration));
-}
-
-PanelBoundsAnimation::~PanelBoundsAnimation() {
-}
-
-double PanelBoundsAnimation::GetCurrentValue() const {
-  return ComputeAnimationValue(gfx::LinearAnimation::GetCurrentValue(),
-                               for_big_minimize_,
-                               animation_stop_to_show_titlebar_);
-}
-
-double PanelBoundsAnimation::ComputeAnimationValue(double progress,
-    bool for_big_minimize, double animation_stop_to_show_titlebar) {
-  if (!for_big_minimize) {
-    // Cubic easing out.
-    double value = 1.0 - progress;
-    return 1.0 - value * value * value;
-  }
-
-  // Minimize animation is done in 3 steps:
-  // 1. Quickly (0 -> 0.15) make only titlebar visible.
-  // 2. Freeze for a little bit (0.15->0.6), just showing titlebar.
-  // 3. Slowly minimize to thin strip (0.6->1.0)
-  const double kProgressAtFreezeStart = 0.15;
-  const double kProgressAtFreezeEnd = 0.6;
-  double value;
-  if (progress <= kProgressAtFreezeStart) {
-    value = animation_stop_to_show_titlebar *
-        (progress / kProgressAtFreezeStart);
-  } else if (progress <= kProgressAtFreezeEnd) {
-    value = animation_stop_to_show_titlebar;
-  } else {
-    value = animation_stop_to_show_titlebar +
-        (1.0 - animation_stop_to_show_titlebar) *
-        ((progress - kProgressAtFreezeEnd) / (1.0 - kProgressAtFreezeEnd));
-  }
-  return value;
-}