notification balloons: Remove views and cocoa implementations of BalloonCollection.

chrome/browser/ui/views/notifications/balloon_view_views.cc

Index: chrome/browser/ui/views/notifications/balloon_view_views.cc
diff --git a/chrome/browser/ui/views/notifications/balloon_view_views.cc b/chrome/browser/ui/views/notifications/balloon_view_views.cc
deleted file mode 100644
index 551a68198d93edafc8a9d24f196013b82c9a70e8..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/views/notifications/balloon_view_views.cc
+++ /dev/null
@@ -1,531 +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/browser/ui/views/notifications/balloon_view_views.h"
-
-#include <algorithm>
-#include <vector>
-
-#include "base/bind.h"
-#include "base/message_loop/message_loop.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/notifications/balloon_collection.h"
-#include "chrome/browser/notifications/desktop_notification_service.h"
-#include "chrome/browser/notifications/notification.h"
-#include "chrome/browser/notifications/notification_options_menu_model.h"
-#include "chrome/browser/ui/views/notifications/balloon_view_host.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_source.h"
-#include "content/public/browser/notification_types.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/render_widget_host_view.h"
-#include "content/public/browser/web_contents.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/animation/slide_animation.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/native_widget_types.h"
-#include "ui/gfx/path.h"
-#include "ui/views/bubble/bubble_border.h"
-#include "ui/views/controls/button/image_button.h"
-#include "ui/views/controls/button/menu_button.h"
-#include "ui/views/controls/button/text_button.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/controls/menu/menu_item_view.h"
-#include "ui/views/controls/menu/menu_runner.h"
-#include "ui/views/controls/native/native_view_host.h"
-#include "ui/views/widget/widget.h"
-
-namespace {
-
-const int kTopMargin = 2;
-const int kBottomMargin = 0;
-const int kLeftMargin = 4;
-const int kRightMargin = 4;
-
-// Margin between various shelf buttons/label and the shelf border.
-const int kShelfMargin = 2;
-
-// Spacing between the options and close buttons.
-const int kOptionsDismissSpacing = 4;
-
-// Spacing between the options button and label text.
-const int kLabelOptionsSpacing = 4;
-
-// Margin between shelf border and title label.
-const int kLabelLeftMargin = 6;
-
-// Size of the drop shadow.  The shadow is provided by BubbleBorder,
-// not this class.
-const int kLeftShadowWidth = 0;
-const int kRightShadowWidth = 0;
-const int kTopShadowWidth = 0;
-const int kBottomShadowWidth = 6;
-
-// Optional animation.
-const bool kAnimateEnabled = true;
-
-// Colors
-const SkColor kControlBarBackgroundColor = SkColorSetRGB(245, 245, 245);
-const SkColor kControlBarTextColor = SkColorSetRGB(125, 125, 125);
-const SkColor kControlBarSeparatorLineColor = SkColorSetRGB(180, 180, 180);
-
-}  // namespace
-
-// static
-int BalloonView::GetHorizontalMargin() {
-  return kLeftMargin + kRightMargin + kLeftShadowWidth + kRightShadowWidth;
-}
-
-BalloonViewImpl::BalloonViewImpl(BalloonCollection* collection)
-    : balloon_(NULL),
-      collection_(collection),
-      frame_container_(NULL),
-      html_container_(NULL),
-      close_button_(NULL),
-      options_menu_button_(NULL),
-      enable_web_ui_(false),
-      closed_by_user_(false),
-      closed_(false) {
-  // We're owned by Balloon and don't want to be deleted by our parent View.
-  set_owned_by_client();
-
-  SetBorder(scoped_ptr<views::Border>(
-      new views::BubbleBorder(views::BubbleBorder::FLOAT,
-                              views::BubbleBorder::NO_SHADOW,
-                              SK_ColorWHITE)));
-}
-
-BalloonViewImpl::~BalloonViewImpl() {
-}
-
-void BalloonViewImpl::Close(bool by_user) {
-  if (closed_)
-    return;
-
-  closed_ = true;
-  animation_->Stop();
-  html_contents_->Shutdown();
-  // Detach contents from the widget before they close.
-  // This is necessary because a widget may be deleted
-  // after this when chrome is shutting down.
-  html_container_->GetRootView()->RemoveAllChildViews(true);
-  html_container_->Close();
-  frame_container_->GetRootView()->RemoveAllChildViews(true);
-  frame_container_->Close();
-  closed_by_user_ = by_user;
-  // |frame_container_->::Close()| is async. When processed it'll call back to
-  // DeleteDelegate() and we'll cleanup.
-}
-
-gfx::Size BalloonViewImpl::GetSize() const {
-  // BalloonView has no size if it hasn't been shown yet (which is when
-  // balloon_ is set).
-  if (!balloon_)
-    return gfx::Size(0, 0);
-
-  return gfx::Size(GetTotalWidth(), GetTotalHeight());
-}
-
-BalloonHost* BalloonViewImpl::GetHost() const {
-  return html_contents_.get();
-}
-
-void BalloonViewImpl::OnMenuButtonClicked(views::View* source,
-                                          const gfx::Point& point) {
-  CreateOptionsMenu();
-
-  menu_runner_.reset(new views::MenuRunner(options_menu_model_.get()));
-
-  gfx::Point screen_location;
-  views::View::ConvertPointToScreen(options_menu_button_, &screen_location);
-  if (menu_runner_->RunMenuAt(
-          source->GetWidget()->GetTopLevelWidget(),
-          options_menu_button_,
-          gfx::Rect(screen_location, options_menu_button_->size()),
-          views::MenuItemView::TOPRIGHT,
-          ui::MENU_SOURCE_NONE,
-          views::MenuRunner::HAS_MNEMONICS) == views::MenuRunner::MENU_DELETED)
-    return;
-}
-
-void BalloonViewImpl::OnDisplayChanged() {
-  collection_->DisplayChanged();
-}
-
-void BalloonViewImpl::OnWorkAreaChanged() {
-  collection_->DisplayChanged();
-}
-
-void BalloonViewImpl::DeleteDelegate() {
-  balloon_->OnClose(closed_by_user_);
-}
-
-void BalloonViewImpl::ButtonPressed(views::Button* sender, const ui::Event&) {
-  // The only button currently is the close button.
-  DCHECK_EQ(close_button_, sender);
-  Close(true);
-}
-
-gfx::Size BalloonViewImpl::GetPreferredSize() {
-  return gfx::Size(1000, 1000);
-}
-
-void BalloonViewImpl::SizeContentsWindow() {
-  if (!html_container_ || !frame_container_)
-    return;
-
-  gfx::Rect contents_rect = GetContentsRectangle();
-  html_container_->SetBounds(contents_rect);
-  html_container_->StackAboveWidget(frame_container_);
-
-  gfx::Path path;
-  GetContentsMask(contents_rect, &path);
-  html_container_->SetShape(path.CreateNativeRegion());
-
-  close_button_->SetBoundsRect(GetCloseButtonBounds());
-  options_menu_button_->SetBoundsRect(GetOptionsButtonBounds());
-  source_label_->SetBoundsRect(GetLabelBounds());
-}
-
-void BalloonViewImpl::RepositionToBalloon() {
-  if (closed_)
-    return;
-
-  DCHECK(frame_container_);
-  DCHECK(html_container_);
-  DCHECK(balloon_);
-
-  if (!kAnimateEnabled) {
-    frame_container_->SetBounds(GetBoundsForFrameContainer());
-    gfx::Rect contents_rect = GetContentsRectangle();
-    html_container_->SetBounds(contents_rect);
-    html_contents_->SetPreferredSize(contents_rect.size());
-    content::RenderWidgetHostView* view =
-        html_contents_->web_contents()->GetRenderWidgetHostView();
-    if (view)
-      view->SetSize(contents_rect.size());
-    return;
-  }
-
-  anim_frame_end_ = GetBoundsForFrameContainer();
-  anim_frame_start_ = frame_container_->GetClientAreaBoundsInScreen();
-  animation_.reset(new gfx::SlideAnimation(this));
-  animation_->Show();
-}
-
-void BalloonViewImpl::Update() {
-  if (closed_)
-    return;
-
-  // Tls might get called before html_contents_ is set in Show() if more than
-  // one update with the same replace_id occurs, or if an update occurs after
-  // the ballon has been closed (e.g. during shutdown) but before this has been
-  // destroyed.
-  if (!html_contents_.get() || !html_contents_->web_contents())
-    return;
-  html_contents_->web_contents()->GetController().LoadURL(
-      balloon_->notification().content_url(), content::Referrer(),
-      content::PAGE_TRANSITION_LINK, std::string());
-}
-
-void BalloonViewImpl::AnimationProgressed(const gfx::Animation* animation) {
-  DCHECK_EQ(animation_.get(), animation);
-
-  // Linear interpolation from start to end position.
-  gfx::Rect frame_position(animation_->CurrentValueBetween(
-                               anim_frame_start_, anim_frame_end_));
-  frame_container_->SetBounds(frame_position);
-
-  gfx::Path path;
-  gfx::Rect contents_rect = GetContentsRectangle();
-  html_container_->SetBounds(contents_rect);
-  GetContentsMask(contents_rect, &path);
-  html_container_->SetShape(path.CreateNativeRegion());
-
-  html_contents_->SetPreferredSize(contents_rect.size());
-  content::RenderWidgetHostView* view =
-      html_contents_->web_contents()->GetRenderWidgetHostView();
-  if (view)
-    view->SetSize(contents_rect.size());
-}
-
-gfx::Rect BalloonViewImpl::GetCloseButtonBounds() const {
-  gfx::Rect bounds(GetContentsBounds());
-  bounds.set_height(GetShelfHeight());
-  const gfx::Size& pref_size(close_button_->GetPreferredSize());
-  bounds.Inset(bounds.width() - kShelfMargin - pref_size.width(), 0,
-      kShelfMargin, 0);
-  bounds.ClampToCenteredSize(pref_size);
-  return bounds;
-}
-
-gfx::Rect BalloonViewImpl::GetOptionsButtonBounds() const {
-  gfx::Rect bounds(GetContentsBounds());
-  bounds.set_height(GetShelfHeight());
-  const gfx::Size& pref_size(options_menu_button_->GetPreferredSize());
-  bounds.set_x(GetCloseButtonBounds().x() - kOptionsDismissSpacing -
-      pref_size.width());
-  bounds.set_width(pref_size.width());
-  bounds.ClampToCenteredSize(pref_size);
-  return bounds;
-}
-
-gfx::Rect BalloonViewImpl::GetLabelBounds() const {
-  gfx::Rect bounds(GetContentsBounds());
-  bounds.set_height(GetShelfHeight());
-  gfx::Size pref_size(source_label_->GetPreferredSize());
-  bounds.Inset(kLabelLeftMargin, 0, bounds.width() -
-      GetOptionsButtonBounds().x() + kLabelOptionsSpacing, 0);
-  pref_size.set_width(bounds.width());
-  bounds.ClampToCenteredSize(pref_size);
-  return bounds;
-}
-
-void BalloonViewImpl::Show(Balloon* balloon) {
-  if (closed_)
-    return;
-
-  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-
-  balloon_ = balloon;
-
-  const base::string16 source_label_text = l10n_util::GetStringFUTF16(
-      IDS_NOTIFICATION_BALLOON_SOURCE_LABEL,
-      balloon->notification().display_source());
-
-  source_label_ = new views::Label(source_label_text);
-  AddChildView(source_label_);
-  options_menu_button_ =
-      new views::MenuButton(NULL, base::string16(), this, false);
-  AddChildView(options_menu_button_);
-  close_button_ = new views::ImageButton(this);
-  close_button_->SetTooltipText(l10n_util::GetStringUTF16(
-      IDS_NOTIFICATION_BALLOON_DISMISS_LABEL));
-  AddChildView(close_button_);
-
-  // We have to create two windows: one for the contents and one for the
-  // frame.  Why?
-  // * The contents is an html window which cannot be a
-  //   layered window (because it may have child windows for instance).
-  // * The frame is a layered window so that we can have nicely rounded
-  //   corners using alpha blending (and we may do other alpha blending
-  //   effects).
-  // Unfortunately, layered windows cannot have child windows. (Well, they can
-  // but the child windows don't render).
-  //
-  // We carefully keep these two windows in sync to present the illusion of
-  // one window to the user.
-  //
-  // We don't let the OS manage the RTL layout of these widgets, because
-  // this code is already taking care of correctly reversing the layout.
-  html_contents_.reset(new BalloonViewHost(balloon));
-  html_contents_->SetPreferredSize(gfx::Size(10000, 10000));
-  if (enable_web_ui_)
-    html_contents_->EnableWebUI();
-
-  html_container_ = new views::Widget;
-  views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);
-  html_container_->Init(params);
-  html_container_->SetContentsView(html_contents_->view());
-
-  frame_container_ = new views::Widget;
-  params.delegate = this;
-  params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
-  params.bounds = GetBoundsForFrameContainer();
-  frame_container_->Init(params);
-  frame_container_->SetContentsView(this);
-  frame_container_->StackAboveWidget(html_container_);
-
-  // GetContentsRectangle() is calculated relative to |frame_container_|. Make
-  // sure |frame_container_| has bounds before we ask for
-  // GetContentsRectangle().
-  html_container_->SetBounds(GetContentsRectangle());
-
-  // SetAlwaysOnTop should be called after StackAboveWidget because otherwise
-  // the top-most flag will be removed.
-  html_container_->SetAlwaysOnTop(true);
-  frame_container_->SetAlwaysOnTop(true);
-
-  close_button_->SetImage(views::CustomButton::STATE_NORMAL,
-                          rb.GetImageSkiaNamed(IDR_CLOSE_1));
-  close_button_->SetImage(views::CustomButton::STATE_HOVERED,
-                          rb.GetImageSkiaNamed(IDR_CLOSE_1_H));
-  close_button_->SetImage(views::CustomButton::STATE_PRESSED,
-                          rb.GetImageSkiaNamed(IDR_CLOSE_1_P));
-  close_button_->SetBoundsRect(GetCloseButtonBounds());
-  close_button_->SetBackground(SK_ColorBLACK,
-                               rb.GetImageSkiaNamed(IDR_CLOSE_1),
-                               rb.GetImageSkiaNamed(IDR_CLOSE_1_MASK));
-
-  options_menu_button_->SetIcon(*rb.GetImageSkiaNamed(IDR_BALLOON_WRENCH));
-  options_menu_button_->SetHoverIcon(
-      *rb.GetImageSkiaNamed(IDR_BALLOON_WRENCH_H));
-  options_menu_button_->SetPushedIcon(*rb.GetImageSkiaNamed(
-      IDR_BALLOON_WRENCH_P));
-  options_menu_button_->set_alignment(views::TextButton::ALIGN_CENTER);
-  options_menu_button_->SetBorder(views::Border::NullBorder());
-  options_menu_button_->SetBoundsRect(GetOptionsButtonBounds());
-
-  source_label_->SetFontList(rb.GetFontList(ui::ResourceBundle::SmallFont));
-  source_label_->SetBackgroundColor(kControlBarBackgroundColor);
-  source_label_->SetEnabledColor(kControlBarTextColor);
-  source_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-  source_label_->SetBoundsRect(GetLabelBounds());
-
-  SizeContentsWindow();
-  html_container_->Show();
-  frame_container_->Show();
-
-  notification_registrar_.Add(
-    this, chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED,
-    content::Source<Balloon>(balloon));
-}
-
-void BalloonViewImpl::CreateOptionsMenu() {
-  if (options_menu_model_.get())
-    return;
-  options_menu_model_.reset(new NotificationOptionsMenuModel(balloon_));
-}
-
-void BalloonViewImpl::GetContentsMask(const gfx::Rect& rect,
-                                      gfx::Path* path) const {
-  // This rounds the corners, and we also cut out a circle for the close
-  // button, since we can't guarantee the ordering of two top-most windows.
-  SkScalar radius = SkIntToScalar(views::BubbleBorder::GetCornerRadius());
-  SkScalar spline_radius = radius -
-      SkScalarMul(radius, (SK_ScalarSqrt2 - SK_Scalar1) * 4 / 3);
-  SkScalar left = SkIntToScalar(0);
-  SkScalar top = SkIntToScalar(0);
-  SkScalar right = SkIntToScalar(rect.width());
-  SkScalar bottom = SkIntToScalar(rect.height());
-
-  path->moveTo(left, top);
-  path->lineTo(right, top);
-  path->lineTo(right, bottom - radius);
-  path->cubicTo(right, bottom - spline_radius,
-                right - spline_radius, bottom,
-                right - radius, bottom);
-  path->lineTo(left + radius, bottom);
-  path->cubicTo(left + spline_radius, bottom,
-                left, bottom - spline_radius,
-                left, bottom - radius);
-  path->lineTo(left, top);
-  path->close();
-}
-
-void BalloonViewImpl::GetFrameMask(const gfx::Rect& rect,
-                                   gfx::Path* path) const {
-  SkScalar radius = SkIntToScalar(views::BubbleBorder::GetCornerRadius());
-  SkScalar spline_radius = radius -
-      SkScalarMul(radius, (SK_ScalarSqrt2 - SK_Scalar1) * 4 / 3);
-  SkScalar left = SkIntToScalar(rect.x());
-  SkScalar top = SkIntToScalar(rect.y());
-  SkScalar right = SkIntToScalar(rect.right());
-  SkScalar bottom = SkIntToScalar(rect.bottom());
-
-  path->moveTo(left, bottom);
-  path->lineTo(left, top + radius);
-  path->cubicTo(left, top + spline_radius,
-                left + spline_radius, top,
-                left + radius, top);
-  path->lineTo(right - radius, top);
-  path->cubicTo(right - spline_radius, top,
-                right, top + spline_radius,
-                right, top + radius);
-  path->lineTo(right, bottom);
-  path->lineTo(left, bottom);
-  path->close();
-}
-
-gfx::Point BalloonViewImpl::GetContentsOffset() const {
-  return gfx::Point(kLeftShadowWidth + kLeftMargin,
-                    kTopShadowWidth + kTopMargin);
-}
-
-gfx::Rect BalloonViewImpl::GetBoundsForFrameContainer() const {
-  return gfx::Rect(balloon_->GetPosition().x(), balloon_->GetPosition().y(),
-                   GetTotalWidth(), GetTotalHeight());
-}
-
-int BalloonViewImpl::GetShelfHeight() const {
-  // TODO(johnnyg): add scaling here.
-  int max_button_height = std::max(std::max(
-      close_button_->GetPreferredSize().height(),
-      options_menu_button_->GetPreferredSize().height()),
-      source_label_->GetPreferredSize().height());
-  return max_button_height + kShelfMargin * 2;
-}
-
-int BalloonViewImpl::GetBalloonFrameHeight() const {
-  return GetTotalHeight() - GetShelfHeight();
-}
-
-int BalloonViewImpl::GetTotalWidth() const {
-  return balloon_->content_size().width() +
-      kLeftMargin + kRightMargin + kLeftShadowWidth + kRightShadowWidth;
-}
-
-int BalloonViewImpl::GetTotalHeight() const {
-  return balloon_->content_size().height() +
-      kTopMargin + kBottomMargin + kTopShadowWidth + kBottomShadowWidth +
-      GetShelfHeight();
-}
-
-gfx::Rect BalloonViewImpl::GetContentsRectangle() const {
-  if (!frame_container_)
-    return gfx::Rect();
-
-  gfx::Size content_size = balloon_->content_size();
-  gfx::Point offset = GetContentsOffset();
-  gfx::Rect frame_rect = frame_container_->GetWindowBoundsInScreen();
-  return gfx::Rect(frame_rect.x() + offset.x(),
-                   frame_rect.y() + GetShelfHeight() + offset.y(),
-                   content_size.width(),
-                   content_size.height());
-}
-
-void BalloonViewImpl::OnPaint(gfx::Canvas* canvas) {
-  DCHECK(canvas);
-  // Paint the menu bar area white, with proper rounded corners.
-  gfx::Path path;
-  gfx::Rect rect = GetContentsBounds();
-  rect.set_height(GetShelfHeight());
-  GetFrameMask(rect, &path);
-
-  SkPaint paint;
-  paint.setAntiAlias(true);
-  paint.setColor(kControlBarBackgroundColor);
-  canvas->DrawPath(path, paint);
-
-  // Draw a 1-pixel gray line between the content and the menu bar.
-  int line_width = GetTotalWidth() - kLeftMargin - kRightMargin;
-  canvas->FillRect(gfx::Rect(kLeftMargin, rect.bottom(), line_width, 1),
-                   kControlBarSeparatorLineColor);
-  View::OnPaint(canvas);
-  OnPaintBorder(canvas);
-}
-
-void BalloonViewImpl::OnBoundsChanged(const gfx::Rect& previous_bounds) {
-  SizeContentsWindow();
-}
-
-void BalloonViewImpl::Observe(int type,
-                              const content::NotificationSource& source,
-                              const content::NotificationDetails& details) {
-  if (type != chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED) {
-    NOTREACHED();
-    return;
-  }
-
-  // If the renderer process attached to this balloon is disconnected
-  // (e.g., because of a crash), we want to close the balloon.
-  notification_registrar_.Remove(
-      this, chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED,
-      content::Source<Balloon>(balloon_));
-  Close(false);
-}