Alternate NTP: Move bookmark bar to bottom

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller_browsertest.mm

+// 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 "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
+
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_window.h"
+#import "chrome/browser/ui/cocoa/browser_window_controller.h"
+#import "chrome/browser/ui/cocoa/download/download_shelf_controller.h"
+#include "chrome/browser/ui/search/search.h"
+#include "chrome/browser/ui/search/search_ui.h"
+#include "chrome/common/url_constants.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "content/public/test/test_utils.h"
+#include "googleurl/src/gurl.h"
+
+class BottomBookmarkBarControllerTest : public InProcessBrowserTest {
+ public:
+  BottomBookmarkBarControllerTest() {
+    chrome::search::EnableInstantExtendedAPIForTesting();
+  }
+
+  virtual void SetUpOnMainThread() OVERRIDE {
+    AddTabAtIndex(1,
+                  GURL(chrome::kChromeUINewTabURL),
+                  content::PAGE_TRANSITION_LINK);
+    EXPECT_TRUE([GetBookmarkBarController() shouldShowAtBottomWhenDetached]);
+    EXPECT_FALSE([[GetBookmarkBarController() view] isHidden]);
+  }
+
+  BrowserWindowController* GetBrowserWindowController() const {
+    NSWindow* window = browser()->window()->GetNativeWindow();
+    return [BrowserWindowController browserWindowControllerForWindow:window];
+  }
+
+  BookmarkBarController* GetBookmarkBarController() const {
+    return [GetBrowserWindowController() bookmarkBarController];
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BottomBookmarkBarControllerTest);
+};
+
+// Verify that the bookmark bar is positioned correctly when detached and
+// attached.
+IN_PROC_BROWSER_TEST_F(BottomBookmarkBarControllerTest, Position) {
+  // Verify detached bookmark bar is at the bottom of content area.
+  NSRect bookmark_bar_frame = [[GetBookmarkBarController() view] frame];
+  EXPECT_EQ(0, NSMinY(bookmark_bar_frame));
+
+  // Attach the bookmark bar and verify it's above the content area.
+  browser()->window()->ToggleBookmarkBar();
+  content::RunAllPendingInMessageLoop();
+  NSRect content_frame = [[GetBrowserWindowController() tabContentArea] frame];
+  bookmark_bar_frame = [[GetBookmarkBarController() view] frame];
+  EXPECT_EQ(NSMinX(content_frame), NSMinX(bookmark_bar_frame));
+  EXPECT_EQ(NSMaxY(content_frame), NSMinY(bookmark_bar_frame));
+}
+
+// Test that detached bookmark bar is positioned correctly when the download
+// shelf is visible.
+IN_PROC_BROWSER_TEST_F(BottomBookmarkBarControllerTest, PositionWithDownloads) {
+  // Show the download shelf.
+  DownloadShelfController* download_shelf_controller =
+      [GetBrowserWindowController() downloadShelf];
+  [download_shelf_controller show:nil];
+  EXPECT_FALSE([[download_shelf_controller view] isHidden]);
+
+  // Verify that the bookmark bar is at the bottom of the content area but above
+  // the download shelf.
+  NSRect content_frame = [[GetBrowserWindowController() tabContentArea] frame];
+  NSRect bookmark_bar_frame = [[GetBookmarkBarController() view] frame];
+  EXPECT_EQ(NSMinY(content_frame), NSMinY(bookmark_bar_frame));
+  EXPECT_NE(0, NSMinY(bookmark_bar_frame));
+  EXPECT_EQ(NSMinY(content_frame), NSMinY(bookmark_bar_frame));
+}
+
+// Verify that the bookmark bar shrinks when the window is narrow.
+IN_PROC_BROWSER_TEST_F(BottomBookmarkBarControllerTest, NarrowWindow) {
+  NSWindow* window = browser()->window()->GetNativeWindow();
+  NSRect window_frame = [window frame];
+  CGFloat expected_width =
+      roundf(chrome::search::kMaxWidthForBottomBookmarkBar / 2.0);
+  window_frame.size.width = expected_width +
+      chrome::search::kHorizontalPaddingForBottomBookmarkBar * 2;
+  [window setFrame:window_frame display:YES];
+  EXPECT_FALSE([[GetBookmarkBarController() view] isHidden]);
+
+  NSRect frame = [[GetBookmarkBarController() view] frame];
+  EXPECT_EQ(chrome::search::kHorizontalPaddingForBottomBookmarkBar,
+            NSMinX(frame));
+  EXPECT_EQ(expected_width, NSWidth(frame));
+}
+
+// Verify that the bookmark bar's width doesn't go above its maximum value.
+IN_PROC_BROWSER_TEST_F(BottomBookmarkBarControllerTest, WideWindow) {
+  NSWindow* window = browser()->window()->GetNativeWindow();
+  NSRect window_frame = [window frame];
+  window_frame.size.width = chrome::search::kMaxWidthForBottomBookmarkBar +
+      chrome::search::kHorizontalPaddingForBottomBookmarkBar * 2 + 100;
+  [window setFrame:window_frame display:YES];
+  EXPECT_FALSE([[GetBookmarkBarController() view] isHidden]);
+
+  NSRect frame = [[GetBookmarkBarController() view] frame];
+  EXPECT_EQ(roundf((NSWidth(window_frame) - NSWidth(frame)) / 2.0),
+            NSMinX(frame));
+  EXPECT_EQ(chrome::search::kMaxWidthForBottomBookmarkBar, NSWidth(frame));
+}
+
+// Verify that the bookmark bar is hidden if the content area height falls
+// below a minimum value.
+IN_PROC_BROWSER_TEST_F(BottomBookmarkBarControllerTest, MinContentHeight) {
+  NSWindow* window = browser()->window()->GetNativeWindow();
+  NSRect window_frame = [window frame];
+  window_frame.size.height =
+      chrome::search::kMinContentHeightForBottomBookmarkBar;
+  [window setFrame:window_frame display:YES];
+  EXPECT_TRUE([[GetBookmarkBarController() view] isHidden]);
+}