[Material][Mac] Implement Omnibox Verbose State Chips

chrome/browser/ui/cocoa/location_bar/ev_bubble_decoration.mm

-// Copyright (c) 2011 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.
-
-#import "chrome/browser/ui/cocoa/location_bar/ev_bubble_decoration.h"
-
-#import "base/logging.h"
-#include "base/strings/sys_string_conversions.h"
-#import "chrome/browser/ui/cocoa/location_bar/location_icon_decoration.h"
-#import "chrome/browser/ui/cocoa/themed_window.h"
-#include "chrome/grit/theme_resources.h"
-#include "skia/ext/skia_utils_mac.h"
-#import "ui/base/cocoa/nsview_additions.h"
-#include "ui/base/material_design/material_design_controller.h"
-#include "ui/gfx/color_palette.h"
-#include "ui/gfx/font_list.h"
-#include "ui/gfx/text_elider.h"
-
-namespace {
-
-// This is used to increase the right margin of this decoration.
-const CGFloat kRightSideMargin = 1.0;
-
-// TODO(shess): In general, decorations that don't fit in the
-// available space are omitted.  This one never goes to omitted, it
-// sticks at 150px, which AFAICT follows the Windows code.  Since the
-// Layout() code doesn't take this into account, it's possible the
-// control could end up with display artifacts, though things still
-// work (and don't crash).
-// http://crbug.com/49822
-
-// Minimum acceptable width for the ev bubble.
-const CGFloat kMinElidedBubbleWidth = 150.0;
-
-// Maximum amount of available space to make the bubble, subject to
-// |kMinElidedBubbleWidth|.
-const float kMaxBubbleFraction = 0.5;
-
-// The info-bubble point should look like it points to the bottom of the lock
-// icon. Determined with Pixie.app.
-const CGFloat kPageInfoBubblePointYOffset = 6.0;
-
-// TODO(shess): This is ugly, find a better way.  Using it right now
-// so that I can crib from gtk and still be able to see that I'm using
-// the same values easily.
-NSColor* ColorWithRGBBytes(int rr, int gg, int bb) {
-  DCHECK_LE(rr, 255);
-  DCHECK_LE(bb, 255);
-  DCHECK_LE(gg, 255);
-  return [NSColor colorWithCalibratedRed:static_cast<float>(rr)/255.0
-                                   green:static_cast<float>(gg)/255.0
-                                    blue:static_cast<float>(bb)/255.0
-                                   alpha:1.0];
-}
-
-}  // namespace
-
-EVBubbleDecoration::EVBubbleDecoration(LocationIconDecoration* location_icon)
-    : location_icon_(location_icon) {
-  if (ui::MaterialDesignController::IsModeMaterial()) {
-    // On Retina the text label is 1px above the Omnibox textfield's text
-    // baseline. If the Omnibox textfield also drew the label the baselines
-    // would align.
-    SetRetinaBaselineOffset(0.5);
-  } else {
-    // Color tuples stolen from location_bar_view_gtk.cc.
-    SetTextColor(ColorWithRGBBytes(0x07, 0x95, 0x00));
-  }
-}
-
-EVBubbleDecoration::~EVBubbleDecoration() {}
-
-NSColor* EVBubbleDecoration::GetBackgroundBorderColor() {
-  return skia::SkColorToSRGBNSColor(gfx::kGoogleGreen700);
-}
-
-void EVBubbleDecoration::SetFullLabel(NSString* label) {
-  full_label_.reset([label retain]);
-  SetLabel(full_label_);
-}
-
-void EVBubbleDecoration::DrawWithBackgroundInFrame(NSRect background_frame,
-                                                   NSRect frame,
-                                                   NSView* control_view) {
-  if (!ui::MaterialDesignController::IsModeMaterial()) {
-    BubbleDecoration::DrawWithBackgroundInFrame(background_frame, frame,
-                                                control_view);
-    return;
-  }
-
-  NSRect rect = NSInsetRect(background_frame, 0, 3);
-  rect.size.width -= kRightSideMargin;
-
-  CGFloat line_width = [control_view cr_lineWidth];
-  bool in_dark_mode = [[control_view window] inIncognitoModeWithSystemTheme];
-  // Only adjust the path rect by 1/2 the line width if it's going to be
-  // stroked (so that the stroke lines fall along pixel lines).
-  if (!in_dark_mode) {
-    rect = NSInsetRect(rect, line_width / 2., line_width / 2.);
-  }
-
-  DrawInFrame(frame, control_view);
-}
-
-NSPoint EVBubbleDecoration::GetBubblePointInFrame(NSRect frame) {
-  NSRect image_rect = GetImageRectInFrame(frame);
-  return NSMakePoint(NSMidX(image_rect),
-                     NSMaxY(image_rect) - kPageInfoBubblePointYOffset);
-}
-
-CGFloat EVBubbleDecoration::GetWidthForSpace(CGFloat width) {
-  // Limit with to not take up too much of the available width, but
-  // also don't let it shrink too much.
-  width = std::max(width * kMaxBubbleFraction, kMinElidedBubbleWidth);
-
-  // Use the full label if it fits.
-  NSImage* image = GetImage();
-  const CGFloat all_width = GetWidthForImageAndLabel(image, full_label_);
-  if (all_width <= width) {
-    SetLabel(full_label_);
-    return all_width;
-  }
-
-  // Width left for laying out the label.
-  const CGFloat width_left = width - GetWidthForImageAndLabel(image, @"");
-
-  // Middle-elide the label to fit |width_left|.  This leaves the
-  // prefix and the trailing country code in place.
-  NSString* elided_label = base::SysUTF16ToNSString(
-      gfx::ElideText(base::SysNSStringToUTF16(full_label_),
-                     gfx::FontList(gfx::Font(GetFont())),
-                     width_left, gfx::ELIDE_MIDDLE));
-
-  // Use the elided label.
-  SetLabel(elided_label);
-  return GetWidthForImageAndLabel(image, elided_label);
-}
-
-// Pass mouse operations through to location icon.
-bool EVBubbleDecoration::IsDraggable() {
-  return location_icon_->IsDraggable();
-}
-
-NSPasteboard* EVBubbleDecoration::GetDragPasteboard() {
-  return location_icon_->GetDragPasteboard();
-}
-
-NSImage* EVBubbleDecoration::GetDragImage() {
-  return location_icon_->GetDragImage();
-}
-
-NSRect EVBubbleDecoration::GetDragImageFrame(NSRect frame) {
-  return GetImageRectInFrame(frame);
-}
-
-bool EVBubbleDecoration::OnMousePressed(NSRect frame, NSPoint location) {
-  return location_icon_->OnMousePressed(frame, location);
-}
-
-bool EVBubbleDecoration::AcceptsMousePress() {
-  return true;
-}
-
-ui::NinePartImageIds EVBubbleDecoration::GetBubbleImageIds() {
-  return IMAGE_GRID(IDR_OMNIBOX_EV_BUBBLE);
-}
-
-NSColor* EVBubbleDecoration::GetDarkModeTextColor() {
-  return [NSColor whiteColor];
-}