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-rw-r--r--xfa_test/pdf/fading_control.cc75
1 files changed, 0 insertions, 75 deletions
diff --git a/xfa_test/pdf/fading_control.cc b/xfa_test/pdf/fading_control.cc
deleted file mode 100644
index 7e4d8ef63e..0000000000
--- a/xfa_test/pdf/fading_control.cc
+++ /dev/null
@@ -1,75 +0,0 @@
-// 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