Stretching NativeViewHost, and misc tab capture fixes.

ui/views/controls/native/native_view_host_aura_unittest.cc

 // Copyright (c) 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 "ui/views/controls/native/native_view_host_aura.h"
 
 #include <memory>
 
 #include "base/macros.h"
 #include "ui/aura/client/aura_constants.h"
@@ skipping 166 matching lines @@
 // Test that the fast resize path places the clipping and content windows were
 // they are supposed to be.
 TEST_F(NativeViewHostAuraTest, FastResizePath) {
   CreateHost();
   toplevel()->SetBounds(gfx::Rect(20, 20, 100, 100));
 
   // Without fast resize, the clipping window should size to the native view
   // with the native view positioned at the origin of the clipping window and
   // the clipping window positioned where the native view was requested.
   host()->set_fast_resize(false);
-  native_host()->ShowWidget(5, 10, 100, 100);
+  native_host()->ShowWidget(5, 10, 100, 100, 100, 100);
   EXPECT_EQ(gfx::Rect(0, 0, 100, 100).ToString(),
             host()->native_view()->bounds().ToString());
   EXPECT_EQ(gfx::Rect(5, 10, 100, 100).ToString(),
             clipping_window()->bounds().ToString());
 
   // With fast resize, the native view should remain the same size but be
   // clipped the requested size.
   host()->set_fast_resize(true);
-  native_host()->ShowWidget(10, 25, 50, 50);
+  native_host()->ShowWidget(10, 25, 50, 50, 50, 50);
   EXPECT_EQ(gfx::Rect(0, 0, 100, 100).ToString(),
             host()->native_view()->bounds().ToString());
   EXPECT_EQ(gfx::Rect(10, 25, 50, 50).ToString(),
             clipping_window()->bounds().ToString());
 
   // Turning off fast resize should make the native view start resizing again.
   host()->set_fast_resize(false);
-  native_host()->ShowWidget(10, 25, 50, 50);
+  native_host()->ShowWidget(10, 25, 50, 50, 50, 50);
   EXPECT_EQ(gfx::Rect(0, 0, 50, 50).ToString(),
             host()->native_view()->bounds().ToString());
   EXPECT_EQ(gfx::Rect(10, 25, 50, 50).ToString(),
             clipping_window()->bounds().ToString());
 
   DestroyHost();
 }
 
+// Test that the clipping and content windows' bounds are set to the correct
+// values while the rendering size is not equal to the View size. During fast
+// resize, the size and transform of the NativeView should not be modified.
+TEST_F(NativeViewHostAuraTest, BoundsWhileScaling) {
+  CreateHost();
+  toplevel()->SetBounds(gfx::Rect(20, 20, 100, 100));
+  EXPECT_EQ(gfx::Transform(), host()->native_view()->transform());
+
+  // Without fast resize, the clipping window should size to the native view
+  // with the native view positioned at the origin of the clipping window and
+  // the clipping window positioned where the native view was requested. The
+  // size of the native view should be 200x200 (so it's content will be
+  // shown at half-size).
+  host()->set_fast_resize(false);
+  native_host()->ShowWidget(5, 10, 100, 100, 200, 200);
+  EXPECT_EQ(gfx::Rect(0, 0, 200, 200).ToString(),
+            host()->native_view()->bounds().ToString());
+  EXPECT_EQ(gfx::Rect(5, 10, 100, 100).ToString(),
+            clipping_window()->bounds().ToString());
+  gfx::Transform expected_transform;
+  expected_transform.Scale(0.5, 0.5);
+  EXPECT_EQ(expected_transform, host()->native_view()->transform());
+
+  // With fast resize, the native view should remain the same size but be
+  // clipped the requested size. Also, its transform should not be changed.
+  host()->set_fast_resize(true);
+  native_host()->ShowWidget(10, 25, 50, 50, 200, 200);
+  EXPECT_EQ(gfx::Rect(0, 0, 200, 200).ToString(),
+            host()->native_view()->bounds().ToString());
+  EXPECT_EQ(gfx::Rect(10, 25, 50, 50).ToString(),
+            clipping_window()->bounds().ToString());
+  EXPECT_EQ(expected_transform, host()->native_view()->transform());
+
+  // Turning off fast resize should make the native view start resizing again,
+  // and its transform modified to show at the new quarter-size.
+  host()->set_fast_resize(false);
+  native_host()->ShowWidget(10, 25, 50, 50, 200, 200);
+  EXPECT_EQ(gfx::Rect(0, 0, 200, 200).ToString(),
+            host()->native_view()->bounds().ToString());
+  EXPECT_EQ(gfx::Rect(10, 25, 50, 50).ToString(),
+            clipping_window()->bounds().ToString());
+  expected_transform = gfx::Transform();
+  expected_transform.Scale(0.25, 0.25);
+  EXPECT_EQ(expected_transform, host()->native_view()->transform());
+
+  // When the NativeView is detached, its original transform should be restored.
+  auto* const detached_view = host()->native_view();
+  host()->Detach();
+  EXPECT_EQ(gfx::Transform(), detached_view->transform());
+  // Attach it again so it's torn down with everything else at the end.
+  host()->Attach(detached_view);
+
+  DestroyHost();
+}
+
 // Test installing and uninstalling a clip.
 TEST_F(NativeViewHostAuraTest, InstallClip) {
   CreateHost();
   toplevel()->SetBounds(gfx::Rect(20, 20, 100, 100));
 
   // Without a clip, the clipping window should always be positioned at the
   // requested coordinates with the native view positioned at the origin of the
   // clipping window.
-  native_host()->ShowWidget(10, 20, 100, 100);
+  native_host()->ShowWidget(10, 20, 100, 100, 100, 100);
   EXPECT_EQ(gfx::Rect(0, 0, 100, 100).ToString(),
             host()->native_view()->bounds().ToString());
   EXPECT_EQ(gfx::Rect(10, 20, 100, 100).ToString(),
             clipping_window()->bounds().ToString());
 
   // Clip to the bottom right quarter of the native view.
   native_host()->InstallClip(60, 70, 50, 50);
-  native_host()->ShowWidget(10, 20, 100, 100);
+  native_host()->ShowWidget(10, 20, 100, 100, 100, 100);
   EXPECT_EQ(gfx::Rect(-50, -50, 100, 100).ToString(),
             host()->native_view()->bounds().ToString());
   EXPECT_EQ(gfx::Rect(60, 70, 50, 50).ToString(),
             clipping_window()->bounds().ToString());
 
   // Clip to the center of the native view.
   native_host()->InstallClip(35, 45, 50, 50);
-  native_host()->ShowWidget(10, 20, 100, 100);
+  native_host()->ShowWidget(10, 20, 100, 100, 100, 100);
   EXPECT_EQ(gfx::Rect(-25, -25, 100, 100).ToString(),
             host()->native_view()->bounds().ToString());
   EXPECT_EQ(gfx::Rect(35, 45, 50, 50).ToString(),
             clipping_window()->bounds().ToString());
 
   // Uninstalling the clip should make the clipping window match the native view
   // again.
   native_host()->UninstallClip();
-  native_host()->ShowWidget(10, 20, 100, 100);
+  native_host()->ShowWidget(10, 20, 100, 100, 100, 100);
   EXPECT_EQ(gfx::Rect(0, 0, 100, 100).ToString(),
             host()->native_view()->bounds().ToString());
   EXPECT_EQ(gfx::Rect(10, 20, 100, 100).ToString(),
             clipping_window()->bounds().ToString());
 
   DestroyHost();
 }
 
 // Ensure native view is parented to the root window after detaching. This is
 // a regression test for http://crbug.com/389261.
@@ skipping 28 matching lines @@
   ASSERT_EQ(1u, test_observer.events().size());
   EXPECT_EQ(NativeViewHostWindowObserver::EVENT_DESTROYED,
             test_observer.events().back().type);
 }
 
 // Ensure the clipping window is hidden before setting the native view's bounds.
 // This is a regression test for http://crbug.com/388699.
 TEST_F(NativeViewHostAuraTest, RemoveClippingWindowOrder) {
   CreateHost();
   toplevel()->SetBounds(gfx::Rect(20, 20, 100, 100));
-  native_host()->ShowWidget(10, 20, 100, 100);
+  native_host()->ShowWidget(10, 20, 100, 100, 100, 100);
 
   NativeViewHostWindowObserver test_observer;
   clipping_window()->AddObserver(&test_observer);
 
   aura::Window* child_win = child()->GetNativeView();
   child_win->AddObserver(&test_observer);
 
   host()->Detach();
 
   ASSERT_EQ(3u, test_observer.events().size());
@@ skipping 64 matching lines @@
 
   host()->SetVisible(false);
   EXPECT_FALSE(clipping_window()->IsVisible());
   EXPECT_FALSE(child()->IsVisible());
 
   DestroyHost();
   DestroyTopLevel();
 }
 
 }  // namespace views