Revert 152059 - Gradient overlay for constrained window

chrome/renderer/webview_animating_overlay.cc

Index: chrome/renderer/webview_animating_overlay.cc
===================================================================
--- chrome/renderer/webview_animating_overlay.cc	(revision 152061)
+++ chrome/renderer/webview_animating_overlay.cc	(working copy)
@@ -1,112 +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 "chrome/renderer/webview_animating_overlay.h"
-
-#include "base/logging.h"
-#include "content/public/renderer/render_view.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "third_party/skia/include/core/SkPaint.h"
-#include "third_party/skia/include/core/SkRect.h"
-#include "third_party/skia/include/effects/SkGradientShader.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
-#include "ui/gfx/size.h"
-#include "ui/gfx/skia_util.h"
-
-const int kAnimationDurationMiliseconds = 500;
-const int kAnimationFrameRate = 60;
-const int kTargetAlpha = 191;
-
-WebViewAnimatingOverlay::WebViewAnimatingOverlay(
-    content::RenderView* render_view)
-    : render_view_(render_view),
-      state_(HIDDEN),
-      animation_(kAnimationDurationMiliseconds, kAnimationFrameRate, this) {
-}
-
-WebViewAnimatingOverlay::~WebViewAnimatingOverlay() {
-  if (render_view_->GetWebView())
-    render_view_->GetWebView()->removePageOverlay(this);
-}
-
-void WebViewAnimatingOverlay::Show() {
-  if (state_ == ANIMATING_IN || state_ == VISIBLE)
-    return;
-
-  if (state_ == ANIMATING_OUT) {
-    animation_.SetCurrentValue(1.0 - animation_.GetCurrentValue());
-  } else {
-    DCHECK_EQ(HIDDEN, state_);
-    if (render_view_->GetWebView())
-      render_view_->GetWebView()->addPageOverlay(this, 0);
-  }
-
-  state_ = ANIMATING_IN;
-  animation_.Start();
-}
-
-void WebViewAnimatingOverlay::Hide() {
-  if (state_ == ANIMATING_OUT || state_ == HIDDEN)
-    return;
-
-  if (state_ == ANIMATING_IN)
-    animation_.SetCurrentValue(1.0 - animation_.GetCurrentValue());
-
-  state_ = ANIMATING_OUT;
-  animation_.Start();
-}
-
-void WebViewAnimatingOverlay::paintPageOverlay(WebKit::WebCanvas* canvas) {
-  SkRect rect = gfx::RectToSkRect(gfx::Rect(render_view_->GetSize()));
-
-  // The center of the radial gradient should be near the top middle.
-  SkPoint center_point;
-  center_point.iset(rect.width() * 0.5, rect.height() * 0.05);
-
-  // Animate in or out using the alpha.
-  int alpha = GetCurrentAlpha();
-  SkColor colors[] = {
-    SkColorSetARGB(alpha, 255, 255, 255),
-    SkColorSetARGB(alpha, 127, 127, 127)
-  };
-
-  SkAutoTUnref<SkShader> shader(SkGradientShader::CreateRadial(center_point,
-      SkIntToScalar(rect.width()), colors, NULL, arraysize(colors),
-      SkShader::kClamp_TileMode));
-  SkPaint paint;
-  paint.setShader(shader);
-  paint.setDither(true);
-
-  canvas->drawRect(rect, paint);
-}
-
-void WebViewAnimatingOverlay::AnimationEnded(const ui::Animation* animation) {
-  if (state_ == ANIMATING_IN) {
-    state_ = VISIBLE;
-  } else {
-    DCHECK_EQ(ANIMATING_OUT, state_);
-    state_ = HIDDEN;
-    if (render_view_->GetWebView())
-      render_view_->GetWebView()->removePageOverlay(this);
-  }
-}
-
-void WebViewAnimatingOverlay::AnimationProgressed(
-    const ui::Animation* animation) {
-  render_view_->Repaint(render_view_->GetSize());
-}
-
-int WebViewAnimatingOverlay::GetCurrentAlpha() {
-  switch (state_) {
-    case ANIMATING_IN:
-      return animation_.CurrentValueBetween(0, kTargetAlpha);
-    case ANIMATING_OUT:
-      return animation_.CurrentValueBetween(kTargetAlpha, 0);
-    case VISIBLE:
-    case HIDDEN:
-      return kTargetAlpha;
-  }
-  NOTREACHED();
-  return 1.0;
-}