Remove the in-process PDF viewer from pdf/

pdf/fading_control.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 "pdf/fading_control.h"
-
-#include <math.h>
-
-#include "base/logging.h"
-#include "pdf/draw_utils.h"
-#include "pdf/resource_consts.h"
-
-namespace chrome_pdf {
-
-FadingControl::FadingControl()
-    : alpha_shift_(0), timer_id_(0) {
-}
-
-FadingControl::~FadingControl() {
-}
-
-void FadingControl::OnTimerFired(uint32 timer_id) {
-  if (timer_id == timer_id_) {
-    int32 new_alpha = transparency() + alpha_shift_;
-    if (new_alpha <= kTransparentAlpha) {
-      Show(false, true);
-      OnFadeOutComplete();
-      return;
-    }
-    if (new_alpha >= kOpaqueAlpha) {
-      AdjustTransparency(kOpaqueAlpha, true);
-      OnFadeInComplete();
-      return;
-    }
-
-    AdjustTransparency(static_cast<uint8>(new_alpha), true);
-    timer_id_ = owner()->ScheduleTimer(id(), kFadingTimeoutMs);
-  }
-}
-
-// Fade In/Out control depending on visible flag over the time of time_ms.
-void FadingControl::Fade(bool show, uint32 time_ms) {
-  DCHECK(time_ms != 0);
-  // Check if we already in the same state.
-  if (!visible() && !show)
-    return;
-  if (!visible() && show) {
-    Show(show, false);
-    AdjustTransparency(kTransparentAlpha, false);
-    OnFadeOutComplete();
-  }
-  if (transparency() == kOpaqueAlpha && show) {
-    OnFadeInComplete();
-    return;
-  }
-
-  int delta = show ? kOpaqueAlpha - transparency() : transparency();
-  double shift =
-      static_cast<double>(delta) * kFadingTimeoutMs / time_ms;
-  if (shift > delta)
-    alpha_shift_ = delta;
-  else
-    alpha_shift_ = static_cast<int>(ceil(shift));
-
-  if (alpha_shift_ == 0)
-    alpha_shift_ = 1;
-
-  // If disabling, make alpha shift negative.
-  if (!show)
-    alpha_shift_ = -alpha_shift_;
-
-  timer_id_ = owner()->ScheduleTimer(id(), kFadingTimeoutMs);
-}
-
-}  // namespace chrome_pdf