mac: Use a full-size content view (reland 1).

chrome/browser/ui/cocoa/presentation_mode_controller_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 "chrome/browser/ui/cocoa/browser_window_controller.h"
-#import "chrome/browser/ui/cocoa/browser_window_controller_private.h"
-#include "chrome/browser/ui/cocoa/cocoa_profile_test.h"
-#import "chrome/browser/ui/cocoa/fast_resize_view.h"
-#import "chrome/browser/ui/cocoa/presentation_mode_controller.h"
-#import "chrome/browser/ui/cocoa/tabs/tab_strip_view.h"
-
-namespace {
-
-// The height of the AppKit menu bar.
-const CGFloat kMenuBarHeight = 22;
-
-// Returns the frame of the view in window coordinates.
-NSRect FrameInWindow(NSView* view) {
-  return [view convertRect:[view bounds] toView:nil];
-}
-
-// Returns the min Y of the view in window coordinates.
-CGFloat MinYInWindow(NSView* view) {
-  return NSMinY(FrameInWindow(view));
-}
-
-// Returns the max Y of the view in window coordinates.
-CGFloat MaxYInWindow(NSView* view) {
-  return NSMaxY(FrameInWindow(view));
-}
-
-// Returns the view positioned highest in the toolbar area.
-NSView* HighestViewInToolbarArea(BrowserWindowController* controller) {
-  return [controller tabStripView];
-}
-
-// Returns the view positioned lowest in the toolbar area.
-NSView* LowestViewInToolbarArea(BrowserWindowController* controller) {
-  return [[controller bookmarkBarController] view];
-}
-
-// Check the layout of the views in the toolbar area when none of them overlap.
-void CheckToolbarLayoutNoOverlap(BrowserWindowController* controller) {
-  EXPECT_EQ(MinYInWindow([controller tabStripView]),
-            MaxYInWindow([[controller toolbarController] view]));
-  EXPECT_EQ(MinYInWindow([[controller toolbarController] view]),
-            MaxYInWindow([[controller bookmarkBarController] view]));
-}
-
-// Check the layout of all of the views when none of them overlap.
-void CheckLayoutNoOverlap(BrowserWindowController* controller) {
-  CheckToolbarLayoutNoOverlap(controller);
-  EXPECT_EQ(MinYInWindow([[controller bookmarkBarController] view]),
-            MaxYInWindow([[controller infoBarContainerController] view]));
-  EXPECT_EQ(MinYInWindow([[controller infoBarContainerController] view]),
-            MaxYInWindow([controller tabContentArea]));
-}
-
-}  // namespace
-
-// -------------------MockPresentationModeController----------------------------
-// Mock of PresentationModeController that eliminates dependencies on AppKit.
-@interface MockPresentationModeController : PresentationModeController
-@end
-
-@implementation MockPresentationModeController
-
-- (void)setSystemFullscreenModeTo:(base::mac::FullScreenMode)mode {
-}
-
-- (CGFloat)floatingBarVerticalOffset {
-  return kMenuBarHeight;
-}
-
-@end
-
-// -------------------MockBrowserWindowController-------------------------------
-// Mock of BrowserWindowController that eliminates dependencies on AppKit.
-@interface MockBrowserWindowController : BrowserWindowController {
- @public
-  MockPresentationModeController* presentationController_;
-  BOOL isInAppKitFullscreen_;
-}
-@end
-
-@implementation MockBrowserWindowController
-
-// Use the mock presentation controller.
-// Superclass override.
-- (PresentationModeController*)newPresentationModeControllerWithStyle:
-                                   (fullscreen_mac::SlidingStyle)style {
-  presentationController_ =
-      [[MockPresentationModeController alloc] initWithBrowserController:self
-                                                                  style:style];
-  return presentationController_;
-}
-
-// Manually control whether the floating bar (omnibox, tabstrip, etc.) has
-// focus.
-// Superclass override.
-- (BOOL)floatingBarHasFocus {
-  return NO;
-}
-
-// Superclass override.
-- (BOOL)isInAppKitFullscreen {
-  return isInAppKitFullscreen_;
-}
-
-// Superclass override.
-- (BOOL)placeBookmarkBarBelowInfoBar {
-  return NO;
-}
-@end
-
-// -------------------PresentationModeControllerTest----------------------------
-class PresentationModeControllerTest : public CocoaProfileTest {
- public:
-  virtual void SetUp() override {
-    CocoaProfileTest::SetUp();
-    ASSERT_TRUE(browser());
-
-    controller_ = [[MockBrowserWindowController alloc] initWithBrowser:browser()
-                                                         takeOwnership:NO];
-    [[controller_ bookmarkBarController]
-        updateState:BookmarkBar::SHOW
-         changeType:BookmarkBar::DONT_ANIMATE_STATE_CHANGE];
-  }
-
-  virtual void TearDown() override {
-    [controller_ close];
-    CocoaProfileTest::TearDown();
-  }
-
- public:
-  MockBrowserWindowController* controller_;
-};
-
-// Tests the layout of views in Canonical Fullscreen (emulating AppKit
-// Fullscreen API).
-TEST_F(PresentationModeControllerTest, CanonicalFullscreenAppKitLayout) {
-  // Check initial layout.
-  CGFloat windowHeight = NSHeight([[controller_ window] frame]);
-  EXPECT_EQ(windowHeight, MaxYInWindow([controller_ tabStripView]));
-  CheckLayoutNoOverlap(controller_);
-
-  // No change after adjusting UI for Canonical Fullscreen.
-  controller_->isInAppKitFullscreen_ = YES;
-  [controller_
-      adjustUIForSlidingFullscreenStyle:fullscreen_mac::OMNIBOX_TABS_PRESENT];
-  EXPECT_EQ(windowHeight, MaxYInWindow([controller_ tabStripView]));
-  CheckLayoutNoOverlap(controller_);
-
-  // The menu bar is starting to animate in. All views should slide down by a
-  // small amount. The content area doesn't change size.
-  [controller_->presentationController_ setMenuBarRevealProgress:0.3];
-  EXPECT_LT(MaxYInWindow([controller_ tabStripView]), windowHeight - 1);
-  EXPECT_GT(MaxYInWindow([controller_ tabStripView]),
-            windowHeight - kMenuBarHeight + 1);
-  CheckToolbarLayoutNoOverlap(controller_);
-  EXPECT_EQ(MinYInWindow([[controller_ bookmarkBarController] view]),
-            MaxYInWindow([[controller_ infoBarContainerController] view]));
-  EXPECT_LT(MinYInWindow([[controller_ infoBarContainerController] view]),
-            MaxYInWindow([controller_ tabContentArea]));
-
-  // The menu bar is fully visible. All views should slide down by the size of
-  // the menu bar. The content area doesn't change size.
-  [controller_->presentationController_ setMenuBarRevealProgress:1];
-  EXPECT_FLOAT_EQ(windowHeight - kMenuBarHeight,
-                  MaxYInWindow([controller_ tabStripView]));
-  CheckToolbarLayoutNoOverlap(controller_);
-  EXPECT_EQ(MinYInWindow([[controller_ bookmarkBarController] view]),
-            MaxYInWindow([[controller_ infoBarContainerController] view]));
-  EXPECT_LT(MinYInWindow([[controller_ infoBarContainerController] view]),
-            MaxYInWindow([controller_ tabContentArea]));
-
-  // The menu bar has disappeared. All views should return to normal.
-  [controller_->presentationController_ setMenuBarRevealProgress:0];
-  EXPECT_EQ(windowHeight, MaxYInWindow([controller_ tabStripView]));
-  CheckLayoutNoOverlap(controller_);
-}
-
-// Tests the layout of views in Presentation Mode (emulating AppKit Fullscreen
-// API).
-TEST_F(PresentationModeControllerTest, PresentationModeAppKitLayout) {
-  // Check initial layout.
-  CGFloat windowHeight = NSHeight([[controller_ window] frame]);
-  EXPECT_EQ(windowHeight, MaxYInWindow([controller_ tabStripView]));
-  CheckLayoutNoOverlap(controller_);
-
-  // Adjust UI for Presentation Mode.
-  controller_->isInAppKitFullscreen_ = YES;
-  [controller_
-      adjustUIForSlidingFullscreenStyle:fullscreen_mac::OMNIBOX_TABS_HIDDEN];
-
-  // In AppKit Fullscreen, the titlebar disappears. This test can't remove the
-  // titlebar without non-trivially changing the view hierarchy. Instead, it
-  // adjusts the expectations to sometimes use contentHeight instead of
-  // windowHeight (the two should be the same in AppKit Fullscreen).
-  CGFloat contentHeight = NSHeight([[[controller_ window] contentView] bounds]);
-  CheckToolbarLayoutNoOverlap(controller_);
-  EXPECT_EQ(windowHeight, MinYInWindow(LowestViewInToolbarArea(controller_)));
-  EXPECT_EQ(windowHeight, MaxYInWindow([controller_ tabContentArea]));
-
-  // The menu bar is starting to animate in. All views except the content view
-  // should slide down by a small amount.
-  [controller_->presentationController_ setMenuBarRevealProgress:0.3];
-  [controller_->presentationController_ changeToolbarFraction:0.3];
-  CheckToolbarLayoutNoOverlap(controller_);
-  EXPECT_LT(MinYInWindow(LowestViewInToolbarArea(controller_)), contentHeight);
-  EXPECT_GT(MaxYInWindow(HighestViewInToolbarArea(controller_)), contentHeight);
-  EXPECT_EQ(windowHeight, MaxYInWindow([controller_ tabContentArea]));
-
-  // The menu bar is fully visible. All views should slide down by the size of
-  // the menu bar.
-  [controller_->presentationController_ setMenuBarRevealProgress:1];
-  [controller_->presentationController_ changeToolbarFraction:1];
-  CheckToolbarLayoutNoOverlap(controller_);
-  EXPECT_EQ(contentHeight, MaxYInWindow(HighestViewInToolbarArea(controller_)));
-  EXPECT_EQ(windowHeight, MaxYInWindow([controller_ tabContentArea]));
-
-  // The menu bar has disappeared. All views should return to normal.
-  [controller_->presentationController_ setMenuBarRevealProgress:0];
-  [controller_->presentationController_ changeToolbarFraction:0];
-  CheckToolbarLayoutNoOverlap(controller_);
-  EXPECT_EQ(windowHeight, MinYInWindow(LowestViewInToolbarArea(controller_)));
-  EXPECT_EQ(windowHeight, MaxYInWindow([controller_ tabContentArea]));
-}