Alternate NTP: Don't hide bookmark bar on instant

chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm

Index: chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm b/chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm
index 326665c38ee1264a5481727460eb221c025f1eb2..609f172c787f9dbd0d44d539e98a337f099168fe 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm
@@ -7,14 +7,28 @@
 #import "base/mac/mac_util.h"
 #include "base/run_loop.h"
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/api/infobars/confirm_infobar_delegate.h"
+#include "chrome/browser/api/infobars/infobar_service.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/cocoa/browser_window_cocoa.h"
+#import "chrome/browser/ui/cocoa/browser_window_controller_private.h"
 #import "chrome/browser/ui/cocoa/browser/avatar_button_controller.h"
+#import "chrome/browser/ui/cocoa/fast_resize_view.h"
+#import "chrome/browser/ui/cocoa/infobars/infobar_container_controller.h"
+#import "chrome/browser/ui/cocoa/nsview_additions.h"
+#import "chrome/browser/ui/cocoa/tab_contents/previewable_contents_controller.h"
+#include "chrome/browser/ui/search/search.h"
+#include "chrome/browser/ui/search/search_model.h"
 #include "chrome/test/base/in_process_browser_test.h"
+#include "content/public/browser/web_contents.h"
+#import "testing/gtest_mac.h"
+
+namespace {
 
 #if !defined(MAC_OS_X_VERSION_10_7) || \
     MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
@@ -24,8 +38,6 @@ enum {
 };
 #endif  // MAC_OS_X_VERSION_10_7
 
-typedef InProcessBrowserTest BrowserWindowControllerTest;
-
 void CreateProfileCallback(const base::Closure& quit_closure,
                            Profile* profile,
                            Profile::CreateStatus status) {
@@ -37,6 +49,149 @@ void CreateProfileCallback(const base::Closure& quit_closure,
     quit_closure.Run();
 }
 
+enum ViewID {
+  VIEW_ID_TOOLBAR,
+  VIEW_ID_BOOKMARK_BAR,
+  VIEW_ID_INFO_BAR,
+  VIEW_ID_FIND_BAR,
+  VIEW_ID_DOWNLOAD_SHELF,
+  VIEW_ID_TAB_CONTENT_AREA,
+  VIEW_ID_FULLSCREEN_FLOATING_BAR,
+  VIEW_ID_COUNT,
+};
+
+// A very simple info bar implementation used to show an infobar on the browser
+// window.
+class DummyInfoBar : public ConfirmInfoBarDelegate {
+ public:
+  explicit DummyInfoBar(InfoBarService* service)
+      : ConfirmInfoBarDelegate(service) {
+  }
+
+  virtual ~DummyInfoBar() {
+  }
+
+  virtual string16 GetMessageText() const OVERRIDE {
+    return string16();
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DummyInfoBar);
+};
+
+}  // namespace
+
+class BrowserWindowControllerTest : public InProcessBrowserTest {
+ public:
+  BrowserWindowControllerTest() : InProcessBrowserTest() {
+  }
+
+  virtual void SetUpOnMainThread() OVERRIDE {
+    [[controller() bookmarkBarController] setStateAnimationsEnabled:NO];
+    [[controller() bookmarkBarController] setInnerContentAnimationsEnabled:NO];
+  }
+
+  virtual void CleanUpOnMainThread() OVERRIDE {
+    if (web_contents_)
+      browser()->search_model()->set_web_contents(NULL);
+    web_contents_.reset();
+  }
+
+  BrowserWindowController* controller() const {
+    return [BrowserWindowController browserWindowControllerForWindow:
+        browser()->window()->GetNativeWindow()];
+  }
+
+  void ShowInstantResults() {
+    chrome::search::EnableInstantExtendedAPIForTesting();
+    web_contents_.reset(content::WebContents::Create(
+        content::WebContents::CreateParams(browser()->profile())));
+    browser()->search_model()->set_web_contents(web_contents_.get());
+    chrome::search::Mode mode(chrome::search::Mode::MODE_SEARCH_SUGGESTIONS,
+                              chrome::search::Mode::ORIGIN_SEARCH);
+    browser()->search_model()->SetMode(mode);
+    EXPECT_TRUE(browser()->search_model()->mode().is_search_suggestions());
+    EXPECT_TRUE([controller() isShowingInstantResults]);
+  }
+
+  void ShowInstantNTP() {
+    chrome::search::EnableInstantExtendedAPIForTesting();
+    web_contents_.reset(content::WebContents::Create(
+        content::WebContents::CreateParams(browser()->profile())));
+    browser()->search_model()->set_web_contents(web_contents_.get());
+    chrome::search::Mode mode(chrome::search::Mode::MODE_NTP,
+                              chrome::search::Mode::ORIGIN_NTP);
+    browser()->search_model()->SetMode(mode);
+    EXPECT_TRUE(browser()->search_model()->mode().is_ntp());
+    EXPECT_FALSE([controller() isShowingInstantResults]);
+  }
+
+  void ShowInfoBar() {
+    content::WebContents* web_contents =
+        chrome::GetActiveWebContents(browser());
+    InfoBarService* service =
+        InfoBarService::FromWebContents(web_contents);
+    info_bar_delegate_.reset(new DummyInfoBar(service));
+    [[controller() infoBarContainerController]
+        addInfoBar:info_bar_delegate_->CreateInfoBar(service)
+           animate:NO];
+  }
+
+  NSView* GetViewWithID(ViewID view_id) const {
+    switch (view_id) {
+      case VIEW_ID_FULLSCREEN_FLOATING_BAR:
+        return [controller() floatingBarBackingView];
+      case VIEW_ID_TOOLBAR:
+        return [[controller() toolbarController] view];
+      case VIEW_ID_BOOKMARK_BAR:
+        return [[controller() bookmarkBarController] view];
+      case VIEW_ID_INFO_BAR:
+        return [[controller() infoBarContainerController] view];
+      case VIEW_ID_FIND_BAR:
+        return [[controller() findBarCocoaController] view];
+      case VIEW_ID_DOWNLOAD_SHELF:
+        return [[controller() downloadShelf] view];
+      case VIEW_ID_TAB_CONTENT_AREA:
+        return [controller() tabContentArea];
+      default:
+        NOTREACHED();
+        return nil;
+    }
+  }
+
+  void VerifyZOrder(const std::vector<ViewID>& view_list) const {
+    for (size_t i = 0; i < view_list.size() - 1; ++i) {
+      NSView* bottom_view = GetViewWithID(view_list[i]);
+      NSView* top_view = GetViewWithID(view_list[i + 1]);
+      EXPECT_NSEQ([bottom_view superview], [top_view superview]);
+      EXPECT_TRUE([bottom_view cr_isBelowView:top_view]);
+    }
+
+    // Views not in |view_list| must either be nil or not parented.
+    for (size_t i = 0; i < VIEW_ID_COUNT; ++i) {
+      if (std::find(view_list.begin(), view_list.end(), i) == view_list.end()) {
+        NSView* view = GetViewWithID(static_cast<ViewID>(i));
+        EXPECT_TRUE(!view || ![view superview]);
+      }
+    }
+  }
+
+  CGFloat GetViewHeight(ViewID viewID) const {
+    CGFloat height = NSHeight([GetViewWithID(viewID) frame]);
+    if (viewID == VIEW_ID_INFO_BAR) {
+      height -= [[controller() infoBarContainerController]
+          overlappingTipHeight];
+    }
+    return height;
+  }
+
+ private:
+  scoped_ptr<content::WebContents> web_contents_;
+  scoped_ptr<InfoBarDelegate> info_bar_delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserWindowControllerTest);
+};
+
 // Tests that adding the first profile moves the Lion fullscreen button over
 // correctly.
 // DISABLED_ because it regularly times out: http://crbug.com/159002.
@@ -52,9 +207,6 @@ IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest,
   NSWindow* window = browser()->window()->GetNativeWindow();
   ASSERT_TRUE(window);
 
-  BrowserWindowController* controller =
-      static_cast<BrowserWindowCocoa*>(browser()->window())->cocoa_controller();
-
   // With only one profile, the fullscreen button should be visible, but the
   // avatar button should not.
   EXPECT_EQ(1u, profile_manager->GetNumberOfProfiles());
@@ -65,7 +217,7 @@ IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest,
   EXPECT_FALSE([fullscreen_button isHidden]);
 
   AvatarButtonController* avatar_controller =
-      [controller avatarButtonController];
+      [controller() avatarButtonController];
   NSView* avatar = [avatar_controller view];
   EXPECT_TRUE(avatar);
   EXPECT_TRUE([avatar isHidden]);
@@ -100,3 +252,187 @@ IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest,
   EXPECT_LT(NSMinX(fullscreen_frame), NSMinX(avatar_frame));
   EXPECT_LT(NSMaxX(fullscreen_frame), NSMinX(avatar_frame));
 }
+
+// Verify that in non-instant normal mode that the find bar and download shelf
+// are above the content area. Everything else should be below it.
+IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest, ZOrderNormal) {
+  browser()->GetFindBarController();  // add find bar
+
+  std::vector<ViewID> view_list;
+  view_list.push_back(VIEW_ID_BOOKMARK_BAR);
+  view_list.push_back(VIEW_ID_TOOLBAR);
+  view_list.push_back(VIEW_ID_INFO_BAR);
+  view_list.push_back(VIEW_ID_TAB_CONTENT_AREA);
+  view_list.push_back(VIEW_ID_FIND_BAR);
+  view_list.push_back(VIEW_ID_DOWNLOAD_SHELF);
+  VerifyZOrder(view_list);
+}
+
+// Verify that in non-instant presentation mode that the info bar is below the
+// content are and everything else is above it.
+IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest, ZOrderPresentationMode) {
+  browser()->TogglePresentationMode();
+  browser()->GetFindBarController();  // add find bar
+
+  std::vector<ViewID> view_list;
+  view_list.push_back(VIEW_ID_INFO_BAR);
+  view_list.push_back(VIEW_ID_TAB_CONTENT_AREA);
+  view_list.push_back(VIEW_ID_FULLSCREEN_FLOATING_BAR);
+  view_list.push_back(VIEW_ID_BOOKMARK_BAR);
+  view_list.push_back(VIEW_ID_TOOLBAR);
+  view_list.push_back(VIEW_ID_FIND_BAR);
+  view_list.push_back(VIEW_ID_DOWNLOAD_SHELF);
+  VerifyZOrder(view_list);
+}
+
+// Normal mode with instant results showing. Should be same z-order as normal
+// mode except find bar is below content area.
+IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest, ZOrderNormalInstant) {
+  ShowInstantResults();
+  browser()->GetFindBarController();  // add find bar
+
+  std::vector<ViewID> view_list;
+  view_list.push_back(VIEW_ID_BOOKMARK_BAR);
+  view_list.push_back(VIEW_ID_TOOLBAR);
+  view_list.push_back(VIEW_ID_INFO_BAR);
+  view_list.push_back(VIEW_ID_FIND_BAR);
+  view_list.push_back(VIEW_ID_TAB_CONTENT_AREA);
+  view_list.push_back(VIEW_ID_DOWNLOAD_SHELF);
+  VerifyZOrder(view_list);
+}
+
+// Presentation mode with instant results showing. Should be exact same as
+// non-instant presentation mode.
+IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest,
+                       ZOrderInstantPresentationMode) {
+  browser()->TogglePresentationMode();
+  ShowInstantResults();
+  browser()->GetFindBarController();  // add find bar
+
+  std::vector<ViewID> view_list;
+  view_list.push_back(VIEW_ID_INFO_BAR);
+  view_list.push_back(VIEW_ID_TAB_CONTENT_AREA);
+  view_list.push_back(VIEW_ID_FULLSCREEN_FLOATING_BAR);
+  view_list.push_back(VIEW_ID_BOOKMARK_BAR);
+  view_list.push_back(VIEW_ID_TOOLBAR);
+  view_list.push_back(VIEW_ID_FIND_BAR);
+  view_list.push_back(VIEW_ID_DOWNLOAD_SHELF);
+  VerifyZOrder(view_list);
+}
+
+// Verify that in non-instant presentation mode the content area is beneath
+// the bookmark bar and info bar.
+IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest, ContentOffset) {
+  PreviewableContentsController* preview =
+      [controller() previewableContentsController];
+
+  // Just toolbar.
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(0, [preview activeContainerOffset]);
+
+  // Plus bookmark bar.
+  browser()->window()->ToggleBookmarkBar();
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(GetViewHeight(VIEW_ID_BOOKMARK_BAR),
+            [preview activeContainerOffset]);
+
+  // Plus info bar.
+  ShowInfoBar();
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(GetViewHeight(VIEW_ID_BOOKMARK_BAR) +
+                GetViewHeight(VIEW_ID_INFO_BAR),
+            [preview activeContainerOffset]);
+
+  // Minus bookmark bar.
+  browser()->window()->ToggleBookmarkBar();
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(GetViewHeight(VIEW_ID_INFO_BAR), [preview activeContainerOffset]);
+}
+
+// Verify that in non-instant presentation mode the content area is beneath
+// the info bar.
+IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest,
+                       ContentOffsetPresentationMode) {
+  browser()->TogglePresentationMode();
+  PreviewableContentsController* preview =
+      [controller() previewableContentsController];
+
+  // Just toolbar.
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(0, [preview activeContainerOffset]);
+
+  // Plus bookmark bar.
+  browser()->window()->ToggleBookmarkBar();
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(0, [preview activeContainerOffset]);
+
+  // Plus info bar.
+  ShowInfoBar();
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(0, [preview activeContainerOffset]);
+
+  // Minus bookmark bar.
+  browser()->window()->ToggleBookmarkBar();
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(0, [preview activeContainerOffset]);
+}
+
+// Verify that when showing instant results the content area overlaps the
+// bookmark bar and info bar.
+IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest, ContentOffsetInstant) {
+  ShowInstantResults();
+  PreviewableContentsController* preview =
+      [controller() previewableContentsController];
+
+  // Just toolbar.
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(0, [preview activeContainerOffset]);
+
+  // Plus bookmark bar.
+  browser()->window()->ToggleBookmarkBar();
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(0, [preview activeContainerOffset]);
+
+  // Plus info bar.
+  ShowInfoBar();
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(0, [preview activeContainerOffset]);
+
+  // Minus bookmark bar.
+  browser()->window()->ToggleBookmarkBar();
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(0, [preview activeContainerOffset]);
+}
+
+// The instant NTP case is same as normal case except that the preview is
+// also shifted down.
+IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest, ContentOffsetInstantNPT) {
+  ShowInstantNTP();
+  PreviewableContentsController* preview =
+      [controller() previewableContentsController];
+
+  // Just toolbar.
+  EXPECT_EQ(0, [preview previewOffset]);
+  EXPECT_EQ(0, [preview activeContainerOffset]);
+
+  // Plus bookmark bar.
+  browser()->window()->ToggleBookmarkBar();
+  EXPECT_EQ(GetViewHeight(VIEW_ID_BOOKMARK_BAR),
+            [preview previewOffset]);
+  EXPECT_EQ(GetViewHeight(VIEW_ID_BOOKMARK_BAR),
+            [preview activeContainerOffset]);
+
+  // Plus info bar.
+  ShowInfoBar();
+  EXPECT_EQ(GetViewHeight(VIEW_ID_BOOKMARK_BAR) +
+                GetViewHeight(VIEW_ID_INFO_BAR),
+            [preview previewOffset]);
+  EXPECT_EQ(GetViewHeight(VIEW_ID_BOOKMARK_BAR) +
+                GetViewHeight(VIEW_ID_INFO_BAR),
+            [preview activeContainerOffset]);
+
+  // Minus bookmark bar.
+  browser()->window()->ToggleBookmarkBar();
+  EXPECT_EQ(GetViewHeight(VIEW_ID_INFO_BAR), [preview previewOffset]);
+  EXPECT_EQ(GetViewHeight(VIEW_ID_INFO_BAR), [preview activeContainerOffset]);
+}