Removing WmIpc and related files from ChromeOS

chrome/browser/chromeos/login/username_view.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 "chrome/browser/chromeos/login/username_view.h"
-
-#include <algorithm>
-
-#include "base/logging.h"
-#include "base/utf_string_conversions.h"
-#include "grit/generated_resources.h"
-#include "third_party/skia/include/core/SkColorShader.h"
-#include "third_party/skia/include/core/SkComposeShader.h"
-#include "third_party/skia/include/effects/SkGradientShader.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/gtk_util.h"
-#include "ui/gfx/rect.h"
-
-namespace chromeos {
-
-namespace {
-// Username label background color.
-const SkColor kLabelBackgoundColor = 0x55000000;
-// Holds margin to height ratio.
-const double kMarginRatio = 1.0 / 3.0;
-}  // namespace
-
-UsernameView::UsernameView(const std::wstring& username, bool use_small_shape)
-    : views::Label(username.empty()
-          ? l10n_util::GetStringUTF16(IDS_GUEST) : WideToUTF16Hack(username)),
-      use_small_shape_(use_small_shape),
-      is_guest_(username.empty()) {
-}
-
-UsernameView::~UsernameView() {}
-
-void UsernameView::OnPaint(gfx::Canvas* canvas) {
-  gfx::Rect bounds = GetContentsBounds();
-  if (text_image_ == NULL)
-    PaintUsername(bounds);
-  DCHECK(text_image_ != NULL);
-  DCHECK(bounds.size() ==
-         gfx::Size(text_image_->width(), text_image_->height()));
-  canvas->DrawBitmapInt(*text_image_, bounds.x(), bounds.y());
-}
-
-// static
-UsernameView* UsernameView::CreateShapedUsernameView(
-    const std::wstring& username, bool use_small_shape) {
-  return new UsernameView(username, use_small_shape);
-}
-
-gfx::NativeCursor UsernameView::GetCursor(const views::MouseEvent& event) {
-  return use_small_shape_ ? gfx::GetCursor(GDK_HAND2) : NULL;
-}
-
-void UsernameView::PaintUsername(const gfx::Rect& bounds) {
-  margin_width_ = bounds.height() * kMarginRatio;
-  gfx::Canvas canvas(bounds.size(), false);
-  // Draw transparent background.
-  canvas.sk_canvas()->drawColor(0);
-
-  // Calculate needed space.
-  int flags = gfx::Canvas::TEXT_ALIGN_LEFT | gfx::Canvas::TEXT_VALIGN_MIDDLE |
-              gfx::Canvas::NO_ELLIPSIS;
-  int text_height, text_width;
-  gfx::Canvas::SizeStringInt(GetText(), font(), &text_width, &text_height,
-                             flags);
-  text_width += margin_width_;
-
-  // Also leave the right margin.
-  bool use_fading_for_text = text_width + margin_width_ >= bounds.width();
-
-  // Only alpha channel counts.
-  SkColor gradient_colors[2];
-  gradient_colors[0] = 0xFFFFFFFF;
-  gradient_colors[1] = 0x00FFFFFF;
-
-  int gradient_start = use_fading_for_text ?
-                       bounds.width() - bounds.height() - margin_width_ :
-                       text_width;
-  int gradient_end = std::min(gradient_start + bounds.height(),
-                              bounds.width() - margin_width_);
-
-  SkPoint gradient_borders[2];
-  gradient_borders[0].set(SkIntToScalar(gradient_start), SkIntToScalar(0));
-  gradient_borders[1].set(SkIntToScalar(gradient_end), SkIntToScalar(0));
-
-  SkShader* gradient_shader =
-      SkGradientShader::CreateLinear(gradient_borders, gradient_colors, NULL, 2,
-                                     SkShader::kClamp_TileMode, NULL);
-
-  if (!use_fading_for_text) {
-    // Draw the final background with the fading in the end.
-    SkShader* solid_shader = new SkColorShader(kLabelBackgoundColor);
-    SkXfermode* mode = SkXfermode::Create(SkXfermode::kSrcIn_Mode);
-    SkShader* composite_shader = new SkComposeShader(gradient_shader,
-                                                     solid_shader, mode);
-    gradient_shader->unref();
-    solid_shader->unref();
-
-    SkPaint paint;
-    paint.setShader(composite_shader)->unref();
-    canvas.sk_canvas()->drawPaint(paint);
-  }
-
-  // Draw the text.
-  // Note, direct call of the DrawStringInt method produces the green dots
-  // along the text perimeter (when the label is place on the white background).
-  SkColor text_color = enabled() ? enabled_color() : disabled_color();
-  SkColor kInvisibleHaloColor = 0x00000000;
-  canvas.DrawStringWithHalo(GetText(), font(), text_color,
-                            kInvisibleHaloColor, bounds.x() + margin_width_,
-                            bounds.y(), bounds.width() - 2 * margin_width_,
-                            bounds.height(), flags);
-
-  text_image_.reset(new SkBitmap(canvas.ExtractBitmap()));
-
-  if (use_fading_for_text) {
-    // Fade out only the text in the end. Use regular background.
-    canvas.sk_canvas()->drawColor(kLabelBackgoundColor, SkXfermode::kSrc_Mode);
-    SkShader* image_shader = SkShader::CreateBitmapShader(
-        *text_image_,
-        SkShader::kRepeat_TileMode,
-        SkShader::kRepeat_TileMode);
-    SkXfermode* mode = SkXfermode::Create(SkXfermode::kSrcIn_Mode);
-    SkShader* composite_shader = new SkComposeShader(gradient_shader,
-                                                     image_shader, mode);
-    gradient_shader->unref();
-    image_shader->unref();
-
-    SkPaint paint;
-    paint.setShader(composite_shader)->unref();
-    canvas.sk_canvas()->drawPaint(paint);
-    text_image_.reset(new SkBitmap(canvas.ExtractBitmap()));
-  }
-}
-
-void UsernameView::OnLocaleChanged() {
-  if (is_guest_) {
-    SetText(l10n_util::GetStringUTF16(IDS_GUEST));
-  }
-  // Repaint because the font may have changed.
-  text_image_.reset();
-  SchedulePaint();
-}
-
-}  // namespace chromeos