[Autofill] Add Mac implementation for the in-browser process popup view.

chrome/browser/ui/cocoa/autofill/autofill_popup_view_mac.mm

Index: chrome/browser/ui/cocoa/autofill/autofill_popup_view_mac.mm
diff --git a/chrome/browser/ui/cocoa/autofill/autofill_popup_view_mac.mm b/chrome/browser/ui/cocoa/autofill/autofill_popup_view_mac.mm
new file mode 100644
index 0000000000000000000000000000000000000000..20e8988d586a26ec76e259d2e80486a4d6f87ced
--- /dev/null
+++ b/chrome/browser/ui/cocoa/autofill/autofill_popup_view_mac.mm
@@ -0,0 +1,87 @@
+// 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.
+
+#import <Cocoa/Cocoa.h>
+
+#include "chrome/browser/ui/cocoa/autofill/autofill_popup_view_mac.h"
+
+#include "base/logging.h"
+#include "chrome/browser/ui/autofill/autofill_popup_controller.h"
+#import "chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa.h"
+#include "ui/base/cocoa/window_size_constants.h"
+#include "ui/gfx/rect.h"
+
+AutofillPopupViewMac::AutofillPopupViewMac(
+    AutofillPopupController* controller)
+    : controller_(controller) {
+  window_ =
+      [[NSWindow alloc] initWithContentRect:ui::kWindowSizeDeterminedLater
+                                  styleMask:NSBorderlessWindowMask
+                                    backing:NSBackingStoreBuffered
+                                      defer:YES];
+  // Telling Cocoa that the window is opaque enables some drawing optimizations.
+  [window_ setOpaque:YES];
+
+  view_ = [[[AutofillPopupViewCocoa alloc]
+             initWithController:controller_
+                          frame:[[window_ contentView] frame]] autorelease];
+  [window_ setContentView:view_];
+}
+
+AutofillPopupViewMac::~AutofillPopupViewMac() {
+  [view_ controllerDestroyed];
+  controller_->ViewDestroyed();
+
+  [window_ close];
+}
+
+void AutofillPopupViewMac::Hide() {
+  delete this;
+}
+
+void AutofillPopupViewMac::Show() {
+  SetInitialBounds();
+  UpdateBoundsAndRedrawPopup();
+  [[controller_->container_view() window] addChildWindow:window_
+                                                 ordered:NSWindowAbove];
+}
+
+void AutofillPopupViewMac::InvalidateRow(size_t row) {
+  NSRect dirty_rect =
+      NSRectFromCGRect(controller_->GetRowBounds(row).ToCGRect());
+  [view_ setNeedsDisplayInRect:dirty_rect];
+}
+
+void AutofillPopupViewMac::UpdateBoundsAndRedrawPopup() {
+  NSRect frame = NSRectFromCGRect(controller_->popup_bounds().ToCGRect());
+
+  // Flip coordinates back into Cocoa-land.
+  // TODO(isherman): Does this handle multi-monitor setups correctly?
+  NSScreen* screen = [[NSScreen screens] objectAtIndex:0];
+  frame.origin.y =
+      [screen frame].size.height - frame.origin.y - frame.size.height;

[Scott Hess - ex-Googler, 2013/01/10 22:02:57]

This could be more compactly phrased as:
  frame.origin.y = [screen frame].size.height - NSMaxY(frame);

Instead of using screen 0, I think [[controller_->container_view() window]
screen] would be the screen that your window's coordinates are relative to.  Of
course _that_ might not match the coordinates from controller_->popup_bounds()
:-).

[Ilya Sherman, 2013/01/11 05:08:33]

Done.

+
+  // TODO(isherman): The view should support scrolling if the popup gets too
+  // big to fit on the screen.
+  [window_ setFrame:frame display:YES];
+}
+
+void AutofillPopupViewMac::SetInitialBounds() {
+  // The bounds rect in Chrome's screen coordinates.  The popup should be
+  // positioned just below the element which initiated it.
+  gfx::Rect bounds(controller_->element_bounds().x(),
+                   controller_->element_bounds().bottom(),
+                   controller_->GetPopupRequiredWidth(),
+                   controller_->GetPopupRequiredHeight());

[Scott Hess - ex-Googler, 2013/01/10 22:02:57]

I like all this better than before.

+
+  // TODO(isherman): Position the popup correctly if it can't fit below the text
+  // field: http://crbug.com/164603
+
+  controller_->SetPopupBounds(bounds);
+}
+
+AutofillPopupView* AutofillPopupView::Create(
+    AutofillPopupController* controller) {
+  return new AutofillPopupViewMac(controller);
+}