Implement progress bar spec (determinate and indeterminate).

ui/message_center/views/notification_progress_bar.cc

Index: ui/message_center/views/notification_progress_bar.cc
diff --git a/ui/message_center/views/notification_progress_bar.cc b/ui/message_center/views/notification_progress_bar.cc
deleted file mode 100644
index b5f013eb188433de1c26e1d34a3fc7e635ebb38f..0000000000000000000000000000000000000000
--- a/ui/message_center/views/notification_progress_bar.cc
+++ /dev/null
@@ -1,185 +0,0 @@
-// Copyright 2015 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 "ui/message_center/views/notification_progress_bar.h"
-
-#include "third_party/skia/include/core/SkPaint.h"
-#include "third_party/skia/include/core/SkPath.h"
-#include "ui/gfx/canvas.h"
-#include "ui/message_center/message_center_style.h"
-
-namespace {
-
-// Dimensions.
-const int kProgressBarWidth = message_center::kNotificationWidth -
-    message_center::kTextLeftPadding - message_center::kTextRightPadding;
-
-const int kAnimationFrameRateHz = 60;
-
-const int kAnimationDuration = 2000;  // In millisecond
-
-} // namespace
-
-namespace message_center {
-
-// NotificationProgressBarBase /////////////////////////////////////////////////
-
-gfx::Size NotificationProgressBarBase::GetPreferredSize() const {
-  gfx::Size pref_size(kProgressBarWidth, message_center::kProgressBarThickness);
-  gfx::Insets insets = GetInsets();
-  pref_size.Enlarge(insets.width(), insets.height());
-  return pref_size;
-}
-
-// NotificationProgressBar /////////////////////////////////////////////////////
-
-NotificationProgressBar::NotificationProgressBar() {
-}
-
-NotificationProgressBar::~NotificationProgressBar() {
-}
-
-bool NotificationProgressBar::is_indeterminate() {
-  return false;
-}
-
-void NotificationProgressBar::OnPaint(gfx::Canvas* canvas) {
-  gfx::Rect content_bounds = GetContentsBounds();
-
-  // Draw background.
-  SkPath background_path;
-  background_path.addRoundRect(gfx::RectToSkRect(content_bounds),
-                               message_center::kProgressBarCornerRadius,
-                               message_center::kProgressBarCornerRadius);
-  SkPaint background_paint;
-  background_paint.setStyle(SkPaint::kFill_Style);
-  background_paint.setFlags(SkPaint::kAntiAlias_Flag);
-  background_paint.setColor(message_center::kProgressBarBackgroundColor);
-  canvas->DrawPath(background_path, background_paint);
-
-  // Draw slice.
-  SkPath slice_path;
-  const int slice_width =
-      static_cast<int>(content_bounds.width() * GetNormalizedValue() + 0.5);
-  if (slice_width < 1)
-    return;
-
-  gfx::Rect slice_bounds = content_bounds;
-  slice_bounds.set_width(slice_width);
-  slice_path.addRoundRect(gfx::RectToSkRect(slice_bounds),
-                          message_center::kProgressBarCornerRadius,
-                          message_center::kProgressBarCornerRadius);
-
-  SkPaint slice_paint;
-  slice_paint.setStyle(SkPaint::kFill_Style);
-  slice_paint.setFlags(SkPaint::kAntiAlias_Flag);
-  slice_paint.setColor(message_center::kProgressBarSliceColor);
-  canvas->DrawPath(slice_path, slice_paint);
-}
-
-// NotificationIndeteminateProgressBar /////////////////////////////////////////
-
-NotificationIndeterminateProgressBar::NotificationIndeterminateProgressBar() {
-  indeterminate_bar_animation_.reset(
-      new gfx::LinearAnimation(kAnimationFrameRateHz, this));
-  indeterminate_bar_animation_->SetDuration(kAnimationDuration);
-  indeterminate_bar_animation_->Start();
-}
-
-NotificationIndeterminateProgressBar::~NotificationIndeterminateProgressBar() {
-  indeterminate_bar_animation_->Stop();  // Just in case
-}
-
-bool NotificationIndeterminateProgressBar::is_indeterminate() {
-  return true;
-}
-
-void NotificationIndeterminateProgressBar::OnPaint(gfx::Canvas* canvas) {
-  gfx::Rect content_bounds = GetContentsBounds();
-
-  // Draw background.
-  SkPath background_path;
-  background_path.addRoundRect(gfx::RectToSkRect(content_bounds),
-                               message_center::kProgressBarCornerRadius,
-                               message_center::kProgressBarCornerRadius);
-  SkPaint background_paint;
-  background_paint.setStyle(SkPaint::kFill_Style);
-  background_paint.setFlags(SkPaint::kAntiAlias_Flag);
-  background_paint.setColor(message_center::kProgressBarBackgroundColor);
-  canvas->DrawPath(background_path, background_paint);
-
-  // Draw slice.
-  SkPath slice_path;
-  double time = indeterminate_bar_animation_->GetCurrentValue();
-
-  // The animation spec corresponds to the material design lite's parameter.
-  // (cf. https://github.com/google/material-design-lite/)
-  double bar1_left;
-  double bar1_width;
-  double bar2_left;
-  double bar2_width;
-  if (time < 0.50) {
-    bar1_left = time / 2;
-    bar1_width = time * 1.5;
-    bar2_left = 0;
-    bar2_width = 0;
-  } else if (time < 0.75) {
-    bar1_left = time * 3 - 1.25;
-    bar1_width = 0.75 - (time - 0.5)  * 3;
-    bar2_left = 0;
-    bar2_width = time - 0.5;
-  } else {
-    bar1_left = 1;
-    bar1_width = 0;
-    bar2_left = (time - 0.75) * 4;
-    bar2_width = 0.25 - (time - 0.75);
-  }
-
-  int bar1_x = static_cast<int>(content_bounds.width() * bar1_left);
-  int bar1_w =
-      std::min(static_cast<int>(content_bounds.width() * bar1_width + 0.5),
-               content_bounds.width() - bar1_x);
-  int bar2_x = static_cast<int>(content_bounds.width() * bar2_left);
-  int bar2_w =
-      std::min(static_cast<int>(content_bounds.width() * bar2_width + 0.5),
-               content_bounds.width() - bar2_x);
-
-
-  gfx::Rect slice_bounds = content_bounds;
-  slice_bounds.set_x(content_bounds.x() + bar1_x);
-  slice_bounds.set_width(bar1_w);
-  slice_path.addRoundRect(gfx::RectToSkRect(slice_bounds),
-                          message_center::kProgressBarCornerRadius,
-                          message_center::kProgressBarCornerRadius);
-  slice_bounds.set_x(content_bounds.x() + bar2_x);
-  slice_bounds.set_width(bar2_w);
-  slice_path.addRoundRect(gfx::RectToSkRect(slice_bounds),
-                          message_center::kProgressBarCornerRadius,
-                          message_center::kProgressBarCornerRadius);
-
-  SkPaint slice_paint;
-  slice_paint.setStyle(SkPaint::kFill_Style);
-  slice_paint.setFlags(SkPaint::kAntiAlias_Flag);
-  slice_paint.setColor(message_center::kProgressBarSliceColor);
-  canvas->DrawPath(slice_path, slice_paint);
-}
-
-void NotificationIndeterminateProgressBar::AnimationProgressed(
-    const gfx::Animation* animation) {
-  if (animation == indeterminate_bar_animation_.get()) {
-    DCHECK(indeterminate_bar_animation_);
-    SchedulePaint();
-  }
-}
-
-void NotificationIndeterminateProgressBar::AnimationEnded(
-    const gfx::Animation* animation) {
-  // Restarts animation.
-  if (animation == indeterminate_bar_animation_.get()) {
-    DCHECK(indeterminate_bar_animation_);
-    indeterminate_bar_animation_->Start();
-  }
-}
-
-}  // namespace message_center