Implement initial version of scroll end effect

chrome/browser/ui/views/frame/browser_view_layout_unittest.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/views/frame/browser_view_layout.h"
 
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/frame/browser_view_layout_delegate.h"
 #include "chrome/browser/ui/views/frame/contents_container.h"
 #include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
 #include "chrome/browser/ui/views/infobars/infobar_container_view.h"
 #include "chrome/browser/ui/views/tabs/tab_strip.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "ui/views/controls/webview/webview.h"
 
 class MockBrowserViewLayoutDelegate : public BrowserViewLayoutDelegate {
  public:
   MockBrowserViewLayoutDelegate()
       : tab_strip_visible_(true),
         toolbar_visible_(true),
         bookmark_bar_visible_(true),
         download_shelf_needs_layout_(false) {
   }
   virtual ~MockBrowserViewLayoutDelegate() {}
@@ skipping 62 matching lines @@
   virtual gfx::Size GetPreferredSize() OVERRIDE {
     return size_;
   }
 
  private:
   gfx::Size size_;
 
   DISALLOW_COPY_AND_ASSIGN(MockView);
 };
 
+// A simple web view that prefers an initial size.
+class MockWebView : public views::WebView {
+ public:
+  explicit MockWebView(gfx::Size initial_size)
+      : views::WebView(NULL),
+        size_(initial_size) {
+    SetBoundsRect(gfx::Rect(gfx::Point(), size_));
+  }
+  virtual ~MockWebView() {}
+
+  // views::View overrides:
+  virtual gfx::Size GetPreferredSize() OVERRIDE {
+    return size_;
+  }
+
+ private:
+  gfx::Size size_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockWebView);
+};
+
+
 ///////////////////////////////////////////////////////////////////////////////
 
 class MockImmersiveModeController : public ImmersiveModeController {
  public:
   MockImmersiveModeController() {}
   virtual ~MockImmersiveModeController() {}
 
   // ImmersiveModeController overrides:
   virtual void Init(Delegate* delegate,
                     views::Widget* widget,
@@ skipping 51 matching lines @@
     tab_strip_ = new TabStrip(NULL);
     top_container_->AddChildView(tab_strip_);
     toolbar_ = new MockView(gfx::Size(800, 30));
     top_container_->AddChildView(toolbar_);
     root_view_->AddChildView(top_container_);
 
     infobar_container_ = new InfoBarContainerView(NULL);
     root_view_->AddChildView(infobar_container_);
 
     contents_split_ = new MockView(gfx::Size(800, 600));
-    active_web_view_ = new MockView(gfx::Size(800, 600));
+    active_web_view_ = new MockWebView(gfx::Size(800, 600));
     contents_container_ = new ContentsContainer(active_web_view_);
     contents_split_->AddChildView(contents_container_);
     root_view_->AddChildView(contents_split_);
 
     // TODO(jamescook): Attach |layout_| to |root_view_|?
     layout_.reset(new BrowserViewLayout);
     delegate_ = new MockBrowserViewLayoutDelegate;
     layout_->Init(delegate_,
                   browser(),
                   NULL,  // BrowserView.
@@ skipping 11 matching lines @@
   MockBrowserViewLayoutDelegate* delegate_;  // Owned by |layout_|.
   scoped_ptr<MockView> root_view_;
 
   // Views owned by |root_view_|.
   MockView* top_container_;
   TabStrip* tab_strip_;
   MockView* toolbar_;
   InfoBarContainerView* infobar_container_;
   MockView* contents_split_;
   ContentsContainer* contents_container_;
-  MockView* active_web_view_;
+  MockWebView* active_web_view_;
 
   scoped_ptr<MockImmersiveModeController> immersive_mode_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserViewLayoutTest);
 };
 
 // Test basic construction and initialization.
 TEST_F(BrowserViewLayoutTest, BrowserViewLayout) {
   EXPECT_TRUE(layout()->browser());
   EXPECT_TRUE(layout()->GetWebContentsModalDialogHost());
@@ skipping 37 matching lines @@
   const int kBottom = 500;
   EXPECT_EQ(kBottom, layout()->LayoutDownloadShelf(kBottom));
 
   // Download shelf layout moves up the bottom edge and sets visibility.
   delegate()->set_download_shelf_needs_layout(true);
   download_shelf->SetVisible(false);
   EXPECT_EQ(450, layout()->LayoutDownloadShelf(kBottom));
   EXPECT_TRUE(download_shelf->visible());
   EXPECT_EQ("0,450 0x50", download_shelf->bounds().ToString());
 }