Skeleton for app_list on OSX, and refactoring for enable_app_list=1 on OS=="mac".

ui/app_list/search_result_view.cc

Index: ui/app_list/search_result_view.cc
diff --git a/ui/app_list/search_result_view.cc b/ui/app_list/search_result_view.cc
deleted file mode 100644
index 3753b9a8737805c41ff3a3ed58612668c569de58..0000000000000000000000000000000000000000
--- a/ui/app_list/search_result_view.cc
+++ /dev/null
@@ -1,309 +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/app_list/search_result_view.h"
-
-#include "ui/app_list/app_list_constants.h"
-#include "ui/app_list/search_result.h"
-#include "ui/app_list/search_result_list_view.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/font.h"
-#include "ui/gfx/image/image_skia_operations.h"
-#include "ui/gfx/render_text.h"
-#include "ui/views/controls/button/image_button.h"
-#include "ui/views/controls/image_view.h"
-
-namespace {
-
-const int kPreferredWidth = 300;
-const int kPreferredHeight = 52;
-const int kIconDimension = 32;
-const int kIconPadding = 14;
-const int kIconViewWidth = kIconDimension + 2 * kIconPadding;
-const int kTextTrailPadding = kIconPadding;
-const int kBorderSize = 1;
-
-// Maximum dimensions of a search result's action icons.
-const int kActionIconDimension = 24;
-
-// Total space (including padding) used for each action icon's button.
-const int kActionButtonWidth = 32;
-
-// Extra margin at the right of the rightmost action icon.
-const int kActionButtonRightMargin = 8;
-
-const SkColor kBorderColor = SkColorSetARGB(0x0F, 0, 0, 0);
-
-const SkColor kDefaultTextColor = SkColorSetRGB(0x33, 0x33, 0x33);
-const SkColor kDimmedTextColor = SkColorSetRGB(0x96, 0x96, 0x96);
-const SkColor kURLTextColor = SkColorSetRGB(0x00, 0x99, 0x33);
-
-const SkColor kSelectedBorderColor = kBorderColor;
-const SkColor kSelectedBackgroundColor = SkColorSetARGB(0x0F, 0x4D, 0x90, 0xFE);
-const SkColor kHoverAndPushedColor = SkColorSetARGB(0x05, 0, 0, 0);
-
-// A non-interactive image view to display result icon.
-class IconView : public views::ImageView {
- public:
-  IconView() : ImageView() {}
-  virtual ~IconView() {}
-
- private:
-  // views::View overrides:
-  virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE {
-    return false;
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(IconView);
-};
-
-// Creates a RenderText of given |text| and |styles|. Caller takes ownership
-// of returned RenderText.
-gfx::RenderText* CreateRenderText(const string16& text,
-                                  const app_list::SearchResult::Tags& tags) {
-  gfx::RenderText* render_text = gfx::RenderText::CreateInstance();
-  render_text->SetText(text);
-
-  gfx::StyleRange default_style;
-  default_style.foreground = kDefaultTextColor;
-  render_text->set_default_style(default_style);
-  render_text->ApplyDefaultStyle();
-
-  for (app_list::SearchResult::Tags::const_iterator it = tags.begin();
-       it != tags.end();
-       ++it) {
-    // NONE means default style so do nothing.
-    if (it->styles == app_list::SearchResult::Tag::NONE)
-      continue;
-
-    gfx::StyleRange style;
-    style.range = it->range;
-
-    if (it->styles & app_list::SearchResult::Tag::MATCH)
-      style.font_style = gfx::Font::BOLD;
-    if (it->styles & app_list::SearchResult::Tag::URL)
-      style.foreground = kURLTextColor;
-    if (it->styles & app_list::SearchResult::Tag::DIM)
-      style.foreground = kDimmedTextColor;
-
-    render_text->ApplyStyleRange(style);
-  }
-
-  return render_text;
-}
-
-}  // namespace
-
-namespace app_list {
-
-// static
-const char SearchResultView::kViewClassName[] = "ui/app_list/SearchResultView";
-
-SearchResultView::SearchResultView(SearchResultListView* list_view,
-                                   SearchResultViewDelegate* delegate)
-    : views::CustomButton(this),
-      result_(NULL),
-      list_view_(list_view),
-      delegate_(delegate),
-      icon_(new IconView) {
-  AddChildView(icon_);
-}
-
-SearchResultView::~SearchResultView() {
-  ClearResultNoRepaint();
-}
-
-void SearchResultView::SetResult(SearchResult* result) {
-  ClearResultNoRepaint();
-
-  result_ = result;
-  if (result_)
-    result_->AddObserver(this);
-
-  OnIconChanged();
-  OnActionIconsChanged();
-  UpdateTitleText();
-  UpdateDetailsText();
-  SchedulePaint();
-}
-
-void SearchResultView::ClearResultNoRepaint() {
-  if (result_)
-    result_->RemoveObserver(this);
-  result_ = NULL;
-}
-
-void SearchResultView::UpdateTitleText() {
-  if (!result_ || result_->title().empty()) {
-    title_text_.reset();
-  } else {
-    title_text_.reset(CreateRenderText(result_->title(),
-                                       result_->title_tags()));
-  }
-}
-
-void SearchResultView::UpdateDetailsText() {
-  if (!result_ || result_->details().empty()) {
-    details_text_.reset();
-  } else {
-    details_text_.reset(CreateRenderText(result_->details(),
-                                         result_->details_tags()));
-  }
-}
-
-std::string SearchResultView::GetClassName() const {
-  return kViewClassName;
-}
-
-gfx::Size SearchResultView::GetPreferredSize() {
-  return gfx::Size(kPreferredWidth, kPreferredHeight);
-}
-
-void SearchResultView::Layout() {
-  gfx::Rect rect(GetContentsBounds());
-  if (rect.IsEmpty())
-    return;
-
-  gfx::Rect icon_bounds(rect);
-  icon_bounds.set_width(kIconViewWidth);
-  icon_bounds.Inset(kIconPadding, (rect.height() - kIconDimension) / 2);
-  icon_bounds.Intersect(rect);
-  icon_->SetBoundsRect(icon_bounds);
-
-  size_t num_buttons = action_buttons_.size();
-  for (size_t i = 0; i < num_buttons; ++i) {
-    views::ImageButton* button = action_buttons_[i];
-    gfx::Rect button_bounds(
-        rect.right() - kActionButtonRightMargin -
-            (num_buttons - i) * kActionButtonWidth,
-        (rect.y() + rect.height() - kActionIconDimension) / 2,
-        kActionButtonWidth, kActionIconDimension);
-    button->SetBoundsRect(button_bounds);
-  }
-}
-
-void SearchResultView::OnPaint(gfx::Canvas* canvas) {
-  gfx::Rect rect(GetContentsBounds());
-  if (rect.IsEmpty())
-    return;
-
-  gfx::Rect content_rect(rect);
-  content_rect.set_height(rect.height() - kBorderSize);
-
-  canvas->FillRect(content_rect, kContentsBackgroundColor);
-
-  bool selected = list_view_->IsResultViewSelected(this);
-  if (selected) {
-    canvas->FillRect(content_rect, kSelectedBackgroundColor);
-  } else if (state() == STATE_HOVERED || state() == STATE_PRESSED) {
-    canvas->FillRect(content_rect, kHoverAndPushedColor);
-  }
-
-  gfx::Rect border_bottom = gfx::SubtractRects(rect, content_rect);
-  canvas->FillRect(border_bottom,
-                   selected ? kSelectedBorderColor : kBorderColor);
-
-  gfx::Rect text_bounds(rect);
-  text_bounds.set_x(kIconViewWidth);
-  text_bounds.set_width(
-      rect.width() - kIconViewWidth - kTextTrailPadding -
-      action_buttons_.size() * kActionButtonWidth -
-      (!action_buttons_.empty() ? kActionButtonRightMargin : 0));
-  text_bounds.set_x(GetMirroredXWithWidthInView(text_bounds.x(),
-                                                text_bounds.width()));
-
-  if (title_text_.get() && details_text_.get()) {
-    gfx::Size title_size(text_bounds.width(),
-                         title_text_->GetStringSize().height());
-    gfx::Size details_size(text_bounds.width(),
-                           details_text_->GetStringSize().height());
-    int total_height = title_size.height() + + details_size.height();
-    int y = text_bounds.y() + (text_bounds.height() - total_height) / 2;
-
-    title_text_->SetDisplayRect(gfx::Rect(gfx::Point(text_bounds.x(), y),
-                                          title_size));
-    title_text_->Draw(canvas);
-
-    y += title_size.height();
-    details_text_->SetDisplayRect(gfx::Rect(gfx::Point(text_bounds.x(), y),
-                                            details_size));
-    details_text_->Draw(canvas);
-  } else if (title_text_.get()) {
-    gfx::Size title_size(text_bounds.width(),
-                         title_text_->GetStringSize().height());
-    gfx::Rect centered_title_rect(text_bounds);
-    centered_title_rect.ClampToCenteredSize(title_size);
-    title_text_->SetDisplayRect(centered_title_rect);
-    title_text_->Draw(canvas);
-  }
-}
-
-void SearchResultView::ButtonPressed(views::Button* sender,
-                                     const ui::Event& event) {
-  if (sender == this) {
-    delegate_->SearchResultActivated(this, event);
-    return;
-  }
-
-  for (size_t i = 0; i < action_buttons_.size(); ++i) {
-    if (sender == action_buttons_[i]) {
-      delegate_->SearchResultActionActivated(this, i, event);
-      return;
-    }
-  }
-  NOTREACHED() << "Got unexpected button press on " << sender;
-}
-
-void SearchResultView::OnIconChanged() {
-  gfx::ImageSkia image(result_ ? result_->icon() : gfx::ImageSkia());
-  // Note this might leave the view with an old icon. But it is needed to avoid
-  // flash when a SearchResult's icon is loaded asynchronously. In this case, it
-  // looks nicer to keep the stale icon for a little while on screen instead of
-  // clearing it out. It should work correctly as long as the SearchResult does
-  // not forget to SetIcon when it's ready.
-  if (image.isNull())
-    return;
-
-  // Scales down big icons but leave small ones unchanged.
-  if (image.width() > kIconDimension || image.height() > kIconDimension) {
-    image = gfx::ImageSkiaOperations::CreateResizedImage(
-        image,
-        skia::ImageOperations::RESIZE_BEST,
-        gfx::Size(kIconDimension, kIconDimension));
-  } else {
-    icon_->ResetImageSize();
-  }
-
-  icon_->SetImage(image);
-}
-
-void SearchResultView::OnActionIconsChanged() {
-  while (action_buttons_.size() >
-         (result_ ? result_->action_icons().size() : 0)) {
-    RemoveChildView(action_buttons_.back());
-    action_buttons_.pop_back();
-  }
-
-  if (result_) {
-    while (action_buttons_.size() < result_->action_icons().size()) {
-      views::ImageButton* button = new views::ImageButton(this);
-      button->SetImageAlignment(views::ImageButton::ALIGN_CENTER,
-                                views::ImageButton::ALIGN_MIDDLE);
-      AddChildView(button);
-      action_buttons_.push_back(button);
-    }
-
-    const SearchResult::ActionIconSets& icons = result_->action_icons();
-    for (size_t i = 0; i < icons.size(); ++i) {
-      const SearchResult::ActionIconSet& icon = icons.at(i);
-      views::ImageButton* button = action_buttons_[i];
-      button->SetImage(views::CustomButton::STATE_NORMAL, &icon.base_image);
-      button->SetImage(views::CustomButton::STATE_HOVERED, &icon.hover_image);
-      button->SetImage(views::CustomButton::STATE_PRESSED, &icon.pressed_image);
-      button->SetTooltipText(icon.tooltip_text);
-    }
-  }
-}
-
-}  // namespace app_list