mac: Refactor browser_window_controller layout logic.

chrome/browser/ui/cocoa/browser_window_layout_unittest.mm

+// Copyright 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.
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/mac/scoped_nsobject.h"
+#import "chrome/browser/ui/cocoa/browser_window_layout.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class BrowserWindowLayoutTest : public testing::Test {
+ public:
+  BrowserWindowLayoutTest() {}
+  virtual void SetUp() OVERRIDE {
+    layout.reset([[BrowserWindowLayout alloc] init]);
+
+    [layout setContentViewSize:NSMakeSize(600, 600)];
+    [layout setWindowSize:NSMakeSize(600, 622)];
+    [layout setInAnyFullscreen:NO];
+    [layout setHasTabStrip:YES];
+    [layout setHasToolbar:YES];
+    [layout setToolbarHeight:32];
+    [layout setPlaceBookmarkBarBelowInfoBar:NO];
+    [layout setBookmarkBarHidden:NO];
+    [layout setBookmarkBarHeight:26];
+    [layout setInfoBarHeight:72];
+    [layout setInfoBarMaxTopArrowHeight:13];
+    [layout setHasDownloadShelf:YES];
+    [layout setDownloadShelfHeight:44];
+  }
+
+  base::scoped_nsobject<BrowserWindowLayout> layout;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BrowserWindowLayoutTest);
+};
+
+TEST_F(BrowserWindowLayoutTest, TestAllViews) {
+  mac_browser::LayoutOutput output = [layout computeLayout];
+
+  EXPECT_TRUE(NSEqualRects(NSMakeRect(0, 585, 600, 37), output.tabStripFrame));
+  EXPECT_TRUE(NSEqualRects(NSMakeRect(0, 553, 600, 32), output.toolbarFrame));
+  EXPECT_TRUE(NSEqualRects(NSMakeRect(0, 527, 600, 26), output.bookmarkFrame));
+  EXPECT_TRUE(NSEqualRects(NSZeroRect, output.fullscreenBackingBarFrame));
+  EXPECT_EQ(527, output.findBarMaxY);
+  EXPECT_EQ(527, output.fullscreenExitButtonMaxY);
+  EXPECT_TRUE(NSEqualRects(NSMakeRect(0, 455, 600, 85), output.infoBarFrame));
+  EXPECT_TRUE(
+      NSEqualRects(NSMakeRect(0, 0, 600, 44), output.downloadShelfFrame));
+  EXPECT_TRUE(
+      NSEqualRects(NSMakeRect(0, 44, 600, 411), output.contentAreaFrame));
+}
+
+TEST_F(BrowserWindowLayoutTest, TestAllViewsFullscreen) {
+  // Content view has same size as window in AppKit Fullscreen.
+  [layout setContentViewSize:NSMakeSize(600, 622)];
+  [layout setInAnyFullscreen:YES];
+  [layout setFullscreenSlidingStyle:fullscreen_mac::OMNIBOX_TABS_PRESENT];
+  [layout setFullscreenMenubarOffset:0];
+  [layout setFullscreenToolbarFraction:0];
+
+  mac_browser::LayoutOutput output = [layout computeLayout];
+
+  EXPECT_TRUE(NSEqualRects(NSMakeRect(0, 585, 600, 37), output.tabStripFrame));
+  EXPECT_TRUE(NSEqualRects(NSMakeRect(0, 553, 600, 32), output.toolbarFrame));
+  EXPECT_TRUE(NSEqualRects(NSMakeRect(0, 527, 600, 26), output.bookmarkFrame));
+  EXPECT_TRUE(NSEqualRects(NSMakeRect(0, 527, 600, 95),
+                           output.fullscreenBackingBarFrame));
+  EXPECT_EQ(527, output.findBarMaxY);
+  EXPECT_EQ(527, output.fullscreenExitButtonMaxY);
+  EXPECT_TRUE(NSEqualRects(NSMakeRect(0, 455, 600, 85), output.infoBarFrame));
+  EXPECT_TRUE(
+      NSEqualRects(NSMakeRect(0, 0, 600, 44), output.downloadShelfFrame));
+  EXPECT_TRUE(
+      NSEqualRects(NSMakeRect(0, 44, 600, 411), output.contentAreaFrame));
+}