Erase LinkDisambiguation code on desktop.

chrome/browser/ui/views/link_disambiguation/link_disambiguation_popup.cc

-// Copyright (c) 2014 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/link_disambiguation/link_disambiguation_popup.h"
-
-#include "base/macros.h"
-#include "ui/aura/client/screen_position_client.h"
-#include "ui/display/display.h"
-#include "ui/display/screen.h"
-#include "ui/events/event.h"
-#include "ui/events/event_processor.h"
-#include "ui/events/event_utils.h"
-#include "ui/events/gesture_event_details.h"
-#include "ui/gfx/image/image.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/views/bubble/bubble_dialog_delegate.h"
-#include "ui/views/controls/image_view.h"
-
-class LinkDisambiguationPopup::ZoomBubbleView
-    : public views::BubbleDialogDelegateView {
- public:
-  ZoomBubbleView(views::Widget* top_level_widget,
-                 const gfx::Rect& target_rect,
-                 const gfx::ImageSkia* zoomed_skia_image,
-                 LinkDisambiguationPopup* popup,
-                 const base::Callback<void(ui::GestureEvent*)>& gesture_cb,
-                 const base::Callback<void(ui::MouseEvent*)>& mouse_cb);
-
- private:
-  // views::View overrides
-  gfx::Size GetPreferredSize() const override;
-  void OnGestureEvent(ui::GestureEvent* event) override;
-  void OnMouseEvent(ui::MouseEvent* event) override;
-
-  // views::WidgetObserver overrides
-  void OnWidgetClosing(views::Widget* widget) override;
-
-  // views::BubbleDialogDelegate overrides
-  int GetDialogButtons() const override;
-
-  const float scale_;
-  const base::Callback<void(ui::GestureEvent*)> gesture_cb_;
-  const base::Callback<void(ui::MouseEvent*)> mouse_cb_;
-  LinkDisambiguationPopup* popup_;
-  const gfx::Rect target_rect_;
-
-  DISALLOW_COPY_AND_ASSIGN(ZoomBubbleView);
-};
-
-LinkDisambiguationPopup::ZoomBubbleView::ZoomBubbleView(
-    views::Widget* top_level_widget,
-    const gfx::Rect& target_rect,
-    const gfx::ImageSkia* zoomed_skia_image,
-    LinkDisambiguationPopup* popup,
-    const base::Callback<void(ui::GestureEvent*)>& gesture_cb,
-    const base::Callback<void(ui::MouseEvent*)>& mouse_cb)
-    : BubbleDialogDelegateView(
-          top_level_widget ? top_level_widget->GetContentsView() : nullptr,
-          views::BubbleBorder::FLOAT),
-      scale_(static_cast<float>(zoomed_skia_image->width()) /
-          static_cast<float>(target_rect.width())),
-      gesture_cb_(gesture_cb),
-      mouse_cb_(mouse_cb),
-      popup_(popup),
-      target_rect_(target_rect) {
-  views::ImageView* image_view = new views::ImageView();
-  image_view->SetSize(zoomed_skia_image->size());
-  image_view->SetImage(zoomed_skia_image);
-  AddChildView(image_view);
-
-  views::BubbleDialogDelegateView::CreateBubble(this);
-}
-
-gfx::Size LinkDisambiguationPopup::ZoomBubbleView::GetPreferredSize() const {
-  return target_rect_.size();
-}
-
-void LinkDisambiguationPopup::ZoomBubbleView::OnMouseEvent(
-    ui::MouseEvent* event) {
-  // Transform mouse event back to coordinate system of the web content window
-  // before providing to the callback.
-  ui::MouseEvent xform_event(event->type(), gfx::Point(), gfx::Point(),
-                             ui::EventTimeForNow(), event->flags(),
-                             event->changed_button_flags());
-  gfx::PointF xform_location(
-      (event->location().x() / scale_) + target_rect_.x(),
-      (event->location().y() / scale_) + target_rect_.y());
-  xform_event.set_location_f(xform_location);
-  xform_event.set_root_location_f(xform_location);
-  mouse_cb_.Run(&xform_event);
-  event->SetHandled();
-
-  // If user completed a click we can close the window.
-  if (event->type() == ui::EventType::ET_MOUSE_RELEASED)
-    GetWidget()->Close();
-}
-
-void LinkDisambiguationPopup::ZoomBubbleView::OnGestureEvent(
-    ui::GestureEvent* event) {
-  // If we receive gesture events that are outside of our bounds we close
-  // ourselves, as perhaps the user has decided on a different part of the page.
-  if (event->location().x() > bounds().width() ||
-      event->location().y() > bounds().height()) {
-    GetWidget()->Close();
-    return;
-  }
-
-  // Scale the gesture event back to the size of the original |target_rect_|,
-  // and then offset it to be relative to that |target_rect_| before sending
-  // it back to the callback.
-  gfx::PointF xform_location(
-      (event->location().x() / scale_) + target_rect_.x(),
-      (event->location().y() / scale_) + target_rect_.y());
-  ui::GestureEventDetails xform_details(event->details());
-  xform_details.set_bounding_box(gfx::RectF(
-      (event->details().bounding_box().x() / scale_) + target_rect_.x(),
-      (event->details().bounding_box().y() / scale_) + target_rect_.y(),
-      event->details().bounding_box().width() / scale_,
-      event->details().bounding_box().height() / scale_));
-  ui::GestureEvent xform_event(xform_location.x(),
-                               xform_location.y(),
-                               event->flags(),
-                               event->time_stamp(),
-                               xform_details);
-  gesture_cb_.Run(&xform_event);
-  event->SetHandled();
-
-  // If we completed a tap we close ourselves, as the web content will navigate
-  // if the user hit a link.
-  if (event->type() == ui::EventType::ET_GESTURE_TAP)
-    GetWidget()->Close();
-}
-
-void LinkDisambiguationPopup::ZoomBubbleView::OnWidgetClosing(
-    views::Widget* widget) {
-  popup_->InvalidateBubbleView();
-}
-
-int LinkDisambiguationPopup::ZoomBubbleView::GetDialogButtons() const {
-  return ui::DIALOG_BUTTON_NONE;
-}
-
-LinkDisambiguationPopup::LinkDisambiguationPopup()
-    : content_(NULL),
-      view_(NULL) {
-}
-
-LinkDisambiguationPopup::~LinkDisambiguationPopup() {
-  Close();
-}
-
-void LinkDisambiguationPopup::Show(
-    views::Widget* top_level_widget,
-    const SkBitmap& zoomed_bitmap,
-    const gfx::Rect& target_rect,
-    const gfx::NativeView content,
-    const base::Callback<void(ui::GestureEvent*)>& gesture_cb,
-    const base::Callback<void(ui::MouseEvent*)>& mouse_cb) {
-  content_ = content;
-
-  view_ = new ZoomBubbleView(
-      top_level_widget,
-      target_rect,
-      gfx::Image::CreateFrom1xBitmap(zoomed_bitmap).ToImageSkia(),
-      this,
-      gesture_cb,
-      mouse_cb);
-
-  // Center the zoomed bubble over the target rectangle, constrained to the
-  // work area in the current display. Since |target_rect| is provided in
-  // |content_| coordinate system, we must convert it into Screen coordinates
-  // for correct window positioning.
-  aura::client::ScreenPositionClient* screen_position_client =
-      aura::client::GetScreenPositionClient(content_->GetRootWindow());
-  gfx::Point target_screen(target_rect.x() + (target_rect.width() / 2),
-      target_rect.y() + (target_rect.height() / 2));
-  if (screen_position_client)
-    screen_position_client->ConvertPointToScreen(content_, &target_screen);
-  gfx::Rect window_bounds(
-      target_screen.x() - (zoomed_bitmap.width() / 2),
-      target_screen.y() - (zoomed_bitmap.height() / 2),
-      zoomed_bitmap.width(),
-      zoomed_bitmap.height());
-  const display::Display display =
-      display::Screen::GetScreen()->GetDisplayNearestWindow(content);
-  window_bounds.AdjustToFit(display.work_area());
-  view_->GetWidget()->SetBounds(window_bounds);
-  view_->GetWidget()->Show();
-}
-
-void LinkDisambiguationPopup::Close() {
-  if (view_ && view_->GetWidget())
-    view_->GetWidget()->Close();
-}
-
-void LinkDisambiguationPopup::InvalidateBubbleView() {
-  view_ = nullptr;
-}