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ui/views/controls/image_view.cc

Index: ui/views/controls/image_view.cc
diff --git a/ui/views/controls/image_view.cc b/ui/views/controls/image_view.cc
deleted file mode 100644
index 5b758f8e1c750c8d1502838267d18f40d69ee829..0000000000000000000000000000000000000000
--- a/ui/views/controls/image_view.cc
+++ /dev/null
@@ -1,236 +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 "ui/views/controls/image_view.h"
-
-#include "base/logging.h"
-#include "base/strings/utf_string_conversions.h"
-#include "third_party/skia/include/core/SkPaint.h"
-#include "ui/accessibility/ax_view_state.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/insets.h"
-#include "ui/views/painter.h"
-
-namespace views {
-
-namespace {
-
-// Returns the pixels for the bitmap in |image| at scale |image_scale|.
-void* GetBitmapPixels(const gfx::ImageSkia& img, float image_scale) {
-  DCHECK_NE(0.0f, image_scale);
-  const SkBitmap& bitmap = img.GetRepresentation(image_scale).sk_bitmap();
-  SkAutoLockPixels pixel_lock(bitmap);
-  return bitmap.getPixels();
-}
-
-}  // namespace
-
-ImageView::ImageView()
-    : image_size_set_(false),
-      horiz_alignment_(CENTER),
-      vert_alignment_(CENTER),
-      interactive_(true),
-      last_paint_scale_(0.f),
-      last_painted_bitmap_pixels_(NULL),
-      focus_painter_(Painter::CreateDashedFocusPainter()) {
-}
-
-ImageView::~ImageView() {
-}
-
-void ImageView::SetImage(const gfx::ImageSkia& img) {
-  if (IsImageEqual(img))
-    return;
-
-  last_painted_bitmap_pixels_ = NULL;
-  gfx::Size pref_size(GetPreferredSize());
-  image_ = img;
-  if (pref_size != GetPreferredSize())
-    PreferredSizeChanged();
-  SchedulePaint();
-}
-
-void ImageView::SetImage(const gfx::ImageSkia* image_skia) {
-  if (image_skia) {
-    SetImage(*image_skia);
-  } else {
-    gfx::ImageSkia t;
-    SetImage(t);
-  }
-}
-
-const gfx::ImageSkia& ImageView::GetImage() {
-  return image_;
-}
-
-void ImageView::SetImageSize(const gfx::Size& image_size) {
-  image_size_set_ = true;
-  image_size_ = image_size;
-  PreferredSizeChanged();
-}
-
-bool ImageView::GetImageSize(gfx::Size* image_size) const {
-  DCHECK(image_size);
-  if (image_size_set_)
-    *image_size = image_size_;
-  return image_size_set_;
-}
-
-gfx::Rect ImageView::GetImageBounds() const {
-  gfx::Size image_size(image_size_set_ ?
-    image_size_ : gfx::Size(image_.width(), image_.height()));
-  return gfx::Rect(ComputeImageOrigin(image_size), image_size);
-}
-
-void ImageView::ResetImageSize() {
-  image_size_set_ = false;
-}
-
-void ImageView::SetFocusPainter(scoped_ptr<Painter> focus_painter) {
-  focus_painter_ = focus_painter.Pass();
-}
-
-gfx::Size ImageView::GetPreferredSize() const {
-  gfx::Insets insets = GetInsets();
-  if (image_size_set_) {
-    gfx::Size image_size;
-    GetImageSize(&image_size);
-    image_size.Enlarge(insets.width(), insets.height());
-    return image_size;
-  }
-  return gfx::Size(image_.width() + insets.width(),
-                   image_.height() + insets.height());
-}
-
-bool ImageView::IsImageEqual(const gfx::ImageSkia& img) const {
-  // Even though we copy ImageSkia in SetImage() the backing store
-  // (ImageSkiaStorage) is not copied and may have changed since the last call
-  // to SetImage(). The expectation is that SetImage() with different pixels is
-  // treated as though the image changed. For this reason we compare not only
-  // the backing store but also the pixels of the last image we painted.
-  return image_.BackedBySameObjectAs(img) &&
-      last_paint_scale_ != 0.0f &&
-      last_painted_bitmap_pixels_ == GetBitmapPixels(img, last_paint_scale_);
-}
-
-gfx::Point ImageView::ComputeImageOrigin(const gfx::Size& image_size) const {
-  gfx::Insets insets = GetInsets();
-
-  int x;
-  // In order to properly handle alignment of images in RTL locales, we need
-  // to flip the meaning of trailing and leading. For example, if the
-  // horizontal alignment is set to trailing, then we'll use left alignment for
-  // the image instead of right alignment if the UI layout is RTL.
-  Alignment actual_horiz_alignment = horiz_alignment_;
-  if (base::i18n::IsRTL() && (horiz_alignment_ != CENTER))
-    actual_horiz_alignment = (horiz_alignment_ == LEADING) ? TRAILING : LEADING;
-  switch (actual_horiz_alignment) {
-    case LEADING:  x = insets.left();                                 break;
-    case TRAILING: x = width() - insets.right() - image_size.width(); break;
-    case CENTER:   x = (width() - image_size.width()) / 2;            break;
-    default:       NOTREACHED(); x = 0;                               break;
-  }
-
-  int y;
-  switch (vert_alignment_) {
-    case LEADING:  y = insets.top();                                     break;
-    case TRAILING: y = height() - insets.bottom() - image_size.height(); break;
-    case CENTER:   y = (height() - image_size.height()) / 2;             break;
-    default:       NOTREACHED(); y = 0;                                  break;
-  }
-
-  return gfx::Point(x, y);
-}
-
-void ImageView::OnFocus() {
-  View::OnFocus();
-  if (focus_painter_.get())
-    SchedulePaint();
-}
-
-void ImageView::OnBlur() {
-  View::OnBlur();
-  if (focus_painter_.get())
-    SchedulePaint();
-}
-
-void ImageView::OnPaint(gfx::Canvas* canvas) {
-  View::OnPaint(canvas);
-  OnPaintImage(canvas);
-  Painter::PaintFocusPainter(this, canvas, focus_painter_.get());
-}
-
-void ImageView::GetAccessibleState(ui::AXViewState* state) {
-  state->role = ui::AX_ROLE_IMAGE;
-  state->name = tooltip_text_;
-}
-
-void ImageView::SetHorizontalAlignment(Alignment ha) {
-  if (ha != horiz_alignment_) {
-    horiz_alignment_ = ha;
-    SchedulePaint();
-  }
-}
-
-ImageView::Alignment ImageView::GetHorizontalAlignment() const {
-  return horiz_alignment_;
-}
-
-void ImageView::SetVerticalAlignment(Alignment va) {
-  if (va != vert_alignment_) {
-    vert_alignment_ = va;
-    SchedulePaint();
-  }
-}
-
-ImageView::Alignment ImageView::GetVerticalAlignment() const {
-  return vert_alignment_;
-}
-
-void ImageView::SetTooltipText(const base::string16& tooltip) {
-  tooltip_text_ = tooltip;
-}
-
-base::string16 ImageView::GetTooltipText() const {
-  return tooltip_text_;
-}
-
-bool ImageView::GetTooltipText(const gfx::Point& p,
-                               base::string16* tooltip) const {
-  if (tooltip_text_.empty())
-    return false;
-
-  *tooltip = GetTooltipText();
-  return true;
-}
-
-bool ImageView::CanProcessEventsWithinSubtree() const {
-  return interactive_;
-}
-
-void ImageView::OnPaintImage(gfx::Canvas* canvas) {
-  last_paint_scale_ = canvas->image_scale();
-  last_painted_bitmap_pixels_ = NULL;
-
-  if (image_.isNull())
-    return;
-
-  gfx::Rect image_bounds(GetImageBounds());
-  if (image_bounds.IsEmpty())
-    return;
-
-  if (image_bounds.size() != gfx::Size(image_.width(), image_.height())) {
-    // Resize case
-    SkPaint paint;
-    paint.setFilterLevel(SkPaint::kLow_FilterLevel);
-    canvas->DrawImageInt(image_, 0, 0, image_.width(), image_.height(),
-        image_bounds.x(), image_bounds.y(), image_bounds.width(),
-        image_bounds.height(), true, paint);
-  } else {
-    canvas->DrawImageInt(image_, image_bounds.x(), image_bounds.y());
-  }
-  last_painted_bitmap_pixels_ = GetBitmapPixels(image_, last_paint_scale_);
-}
-
-}  // namespace views