Move printing related stuff to the root printing project from the browser project. This simplifies further refactoring and eases understanding of the printing part of Chrome.

Also renamed win_printing_context to printing_context_win (correct naming convention) and added stub implementations for _linux and mac.
Now all but one file is compiling on all platforms.

TEST=none (no functional change).
BUG=none

Review URL: http://codereview.chromium.org/149212

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@20086 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 146 insertions, 0 deletions

diff --git a/printing/page_setup_unittest.cc b/printing/page_setup_unittest.cc
new file mode 100644
index 0000000..e2c68b9
--- /dev/null
+++ b/printing/page_setup_unittest.cc
@@ -0,0 +1,146 @@
+// Copyright (c) 2006-2008 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 "printing/page_setup.h"
+
+#include <stdlib.h>
+#include <time.h>
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(PageSetupTest, Random) {
+  time_t seed = time(NULL);
+  int kMax = 10;
+  srand(static_cast<unsigned>(seed));
+
+  // Margins.
+  printing::PageMargins margins;
+  margins.header = rand() % kMax;
+  margins.footer = rand() % kMax;
+  margins.left = rand() % kMax;
+  margins.top = rand() % kMax;
+  margins.right = rand() % kMax;
+  margins.bottom = rand() % kMax;
+  int kTextHeight = rand() % kMax;
+
+  // Page description.
+  gfx::Size page_size(100 + rand() % kMax, 200 + rand() % kMax);
+  gfx::Rect printable_area(rand() % kMax, rand() % kMax, 0, 0);
+  printable_area.set_width(page_size.width() - (rand() % kMax) -
+                           printable_area.x());
+  printable_area.set_height(page_size.height() - (rand() % kMax) -
+                            printable_area.y());
+
+  // Make the calculations.
+  printing::PageSetup setup;
+  setup.SetRequestedMargins(margins);
+  setup.Init(page_size, printable_area, kTextHeight);
+
+  // Calculate the effective margins.
+  printing::PageMargins effective_margins;
+  effective_margins.header = std::max(margins.header, printable_area.y());
+  effective_margins.left = std::max(margins.left, printable_area.x());
+  effective_margins.top = std::max(margins.top,
+                                   effective_margins.header + kTextHeight);
+  effective_margins.footer = std::max(margins.footer,
+                                      page_size.height() -
+                                          printable_area.bottom());
+  effective_margins.right = std::max(margins.right,
+                                      page_size.width() -
+                                          printable_area.right());
+  effective_margins.bottom = std::max(margins.bottom,
+                                      effective_margins.footer  + kTextHeight);
+
+  // Calculate the overlay area.
+  gfx::Rect overlay_area(effective_margins.left, effective_margins.header,
+                         page_size.width() - effective_margins.right -
+                            effective_margins.left,
+                         page_size.height() - effective_margins.footer -
+                            effective_margins.header);
+
+  // Calculate the content area.
+  gfx::Rect content_area(overlay_area.x(),
+                         effective_margins.top,
+                         overlay_area.width(),
+                         page_size.height() - effective_margins.bottom -
+                             effective_margins.top);
+
+  // Test values.
+  EXPECT_EQ(page_size, setup.physical_size()) << seed << " " << page_size <<
+      " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(overlay_area, setup.overlay_area()) << seed << " " << page_size <<
+      " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(content_area, setup.content_area()) << seed << " " << page_size <<
+      " " << printable_area << " " << kTextHeight;
+
+  EXPECT_EQ(effective_margins.header, setup.effective_margins().header) <<
+      seed << " " << page_size << " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(effective_margins.footer, setup.effective_margins().footer) <<
+      seed << " " << page_size << " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(effective_margins.left, setup.effective_margins().left) << seed <<
+      " " << page_size << " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(effective_margins.top, setup.effective_margins().top) << seed <<
+      " " << page_size << " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(effective_margins.right, setup.effective_margins().right) << seed <<
+      " " << page_size << " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(effective_margins.bottom, setup.effective_margins().bottom) <<
+      seed << " " << page_size << " " << printable_area << " " << kTextHeight;
+}
+
+TEST(PageSetupTest, HardCoded) {
+  // Margins.
+  printing::PageMargins margins;
+  margins.header = 2;
+  margins.footer = 2;
+  margins.left = 4;
+  margins.top = 4;
+  margins.right = 4;
+  margins.bottom = 4;
+  int kTextHeight = 3;
+
+  // Page description.
+  gfx::Size page_size(100, 100);
+  gfx::Rect printable_area(3, 3, 94, 94);
+
+  // Make the calculations.
+  printing::PageSetup setup;
+  setup.SetRequestedMargins(margins);
+  setup.Init(page_size, printable_area, kTextHeight);
+
+  // Calculate the effective margins.
+  printing::PageMargins effective_margins;
+  effective_margins.header = 3;
+  effective_margins.left = 4;
+  effective_margins.top = 6;
+  effective_margins.footer = 3;
+  effective_margins.right = 4;
+  effective_margins.bottom = 6;
+
+  // Calculate the overlay area.
+  gfx::Rect overlay_area(4, 3, 92, 94);
+
+  // Calculate the content area.
+  gfx::Rect content_area(4, 6, 92, 88);
+
+  // Test values.
+  EXPECT_EQ(page_size, setup.physical_size()) << " " << page_size <<
+      " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(overlay_area, setup.overlay_area()) << " " << page_size <<
+      " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(content_area, setup.content_area()) << " " << page_size <<
+      " " << printable_area << " " << kTextHeight;
+
+  EXPECT_EQ(effective_margins.header, setup.effective_margins().header) <<
+      " " << page_size << " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(effective_margins.footer, setup.effective_margins().footer) <<
+      " " << page_size << " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(effective_margins.left, setup.effective_margins().left) <<
+      " " << page_size << " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(effective_margins.top, setup.effective_margins().top) <<
+      " " << page_size << " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(effective_margins.right, setup.effective_margins().right) <<
+      " " << page_size << " " << printable_area << " " << kTextHeight;
+  EXPECT_EQ(effective_margins.bottom, setup.effective_margins().bottom) <<
+      " " << page_size << " " << printable_area << " " << kTextHeight;
+}