Move chrome/browser/gtk/ to chrome/browser/ui/gtk/...

chrome/browser/gtk/infobar_arrow_model.cc

-// Copyright (c) 2010 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/gtk/infobar_arrow_model.h"
-
-#include "chrome/browser/gtk/infobar_gtk.h"
-#include "gfx/canvas_skia_paint.h"
-#include "gfx/color_utils.h"
-#include "gfx/point.h"
-#include "gfx/skia_utils_gtk.h"
-#include "third_party/skia/include/effects/SkGradientShader.h"
-
-InfoBarArrowModel::InfoBarArrowModel(Observer* observer)
-    : observer_(observer),
-      animation_(this) {
-  animation_.SetTweenType(ui::Tween::LINEAR);
-  animation_.Reset(1.0);
-  target_colors_.top = target_colors_.bottom = SkColorSetARGB(0, 0, 0, 0);
-  previous_colors_ = target_colors_;
-}
-
-InfoBarArrowModel::~InfoBarArrowModel() {
-}
-
-InfoBarArrowModel::InfoBarColors InfoBarArrowModel::CurrentInfoBarColors() {
-  double alpha = animation_.GetCurrentValue();
-  InfoBarColors colors = {
-      color_utils::AlphaBlend(target_colors_.top,
-                              previous_colors_.top,
-                              alpha * 0xff),
-      color_utils::AlphaBlend(target_colors_.bottom,
-                              previous_colors_.bottom,
-                              alpha * 0xff)};
-  return colors;
-}
-
-bool InfoBarArrowModel::NeedToDrawInfoBarArrow() {
-  return SkColorGetA(CurrentInfoBarColors().top) != 0;
-}
-
-void InfoBarArrowModel::ShowArrowFor(InfoBar* bar, bool animate) {
-  scoped_ptr<std::pair<SkColor, SkColor> > colors;
-
-  previous_colors_ = CurrentInfoBarColors();
-
-  if (bar) {
-    double r, g, b;
-    bar->GetTopColor(bar->delegate()->GetInfoBarType(), &r, &g, &b);
-    target_colors_.top = SkColorSetRGB(r * 0xff, g * 0xff, b * 0xff);
-    bar->GetBottomColor(bar->delegate()->GetInfoBarType(), &r, &g, &b);
-    target_colors_.bottom = SkColorSetRGB(r * 0xff, g * 0xff, b * 0xff);
-  } else {
-    target_colors_.bottom = target_colors_.top = SkColorSetARGB(0, 0, 0, 0);
-  }
-
-  if (animate) {
-    // Fade from the current color to the target color.
-    animation_.Reset();
-    animation_.Show();
-  } else {
-    // Skip straight to showing the target color.
-    animation_.Reset(1.0);
-  }
-
-  observer_->PaintStateChanged();
-}
-
-void InfoBarArrowModel::Paint(GtkWidget* widget,
-                              GdkEventExpose* expose,
-                              const gfx::Point& origin,
-                              const GdkColor& border_color) {
-  if (!NeedToDrawInfoBarArrow())
-    return;
-
-  // The size of the arrow (its height; also half its width).
-  const int kArrowSize = 10;
-
-  SkPath path;
-  path.moveTo(SkPoint::Make(origin.x() - kArrowSize, origin.y()));
-  path.rLineTo(kArrowSize, -kArrowSize);
-  path.rLineTo(kArrowSize, kArrowSize);
-  path.close();
-
-  SkPaint paint;
-  paint.setStrokeWidth(1);
-  paint.setStyle(SkPaint::kFill_Style);
-
-  SkPoint grad_points[2];
-  grad_points[0].set(SkIntToScalar(0), SkIntToScalar(origin.y()));
-  grad_points[1].set(SkIntToScalar(0),
-                     SkIntToScalar(origin.y() + InfoBar::kInfoBarHeight));
-
-  InfoBarColors colors = CurrentInfoBarColors();
-  SkColor grad_colors[2];
-  grad_colors[0] = colors.top;
-  grad_colors[1] = colors.bottom;
-
-  SkShader* gradient_shader = SkGradientShader::CreateLinear(
-      grad_points, grad_colors, NULL, 2, SkShader::kMirror_TileMode);
-  paint.setShader(gradient_shader);
-  gradient_shader->unref();
-
-  gfx::CanvasSkiaPaint canvas(expose, false);
-  canvas.drawPath(path, paint);
-
-  paint.setShader(NULL);
-  paint.setColor(SkColorSetA(gfx::GdkColorToSkColor(border_color),
-                             SkColorGetA(colors.top)));
-  paint.setStyle(SkPaint::kStroke_Style);
-  canvas.drawPath(path, paint);
-}
-
-void InfoBarArrowModel::AnimationEnded(const ui::Animation* animation) {
-  observer_->PaintStateChanged();
-}
-
-void InfoBarArrowModel::AnimationProgressed(const ui::Animation* animation) {
-  observer_->PaintStateChanged();
-}
-
-void InfoBarArrowModel::AnimationCanceled(const ui::Animation* animation) {
-  observer_->PaintStateChanged();
-}