Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 195 insertions, 0 deletions

diff --git a/chrome/browser/printing/print_settings.cc b/chrome/browser/printing/print_settings.cc
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+++ b/chrome/browser/printing/print_settings.cc
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "chrome/browser/printing/print_settings.h"
+
+#include "base/logging.h"
+#include "chrome/browser/printing/units.h"
+#include "chrome/common/render_messages.h"
+
+namespace printing {
+
+int PrintSettings::s_cookie_;
+
+PrintSettings::PrintSettings()
+    : min_shrink(1.25),
+      max_shrink(2.0),
+      desired_dpi(72),
+      dpi_(0),
+      landscape_(false) {
+}
+
+void PrintSettings::Clear() {
+  ranges.clear();
+  min_shrink = 1.25;
+  max_shrink = 2.;
+  desired_dpi = 72;
+  printer_name_.clear();
+  device_name_.clear();
+  page_setup_cmm_.Clear();
+  page_setup_pixels_.Clear();
+  dpi_ = 0;
+  landscape_ = false;
+}
+
+#ifdef WIN32
+void PrintSettings::Init(HDC hdc,
+                         const DEVMODE& dev_mode,
+                         const PageRanges& new_ranges,
+                         const std::wstring& new_device_name) {
+  DCHECK(hdc);
+  printer_name_ = dev_mode.dmDeviceName;
+  device_name_ = new_device_name;
+  ranges = new_ranges;
+  landscape_ = dev_mode.dmOrientation == DMORIENT_LANDSCAPE;
+
+  int old_dpi = dpi_;
+  dpi_ = GetDeviceCaps(hdc, LOGPIXELSX);
+  // No printer device is known to advertise different dpi in X and Y axis; even
+  // the fax device using the 200x100 dpi setting. It's ought to break so many
+  // applications that it's not even needed to care about. WebKit doesn't
+  // support different dpi settings in X and Y axis.
+  DCHECK_EQ(dpi_, GetDeviceCaps(hdc, LOGPIXELSY));
+
+  DCHECK_EQ(GetDeviceCaps(hdc, SCALINGFACTORX), 0);
+  DCHECK_EQ(GetDeviceCaps(hdc, SCALINGFACTORY), 0);
+
+  // Initialize page_setup_pixels_.
+  gfx::Size physical_size_pixels(GetDeviceCaps(hdc, PHYSICALWIDTH),
+                                 GetDeviceCaps(hdc, PHYSICALHEIGHT));
+  gfx::Rect printable_area_pixels(GetDeviceCaps(hdc, PHYSICALOFFSETX),
+                                  GetDeviceCaps(hdc, PHYSICALOFFSETY),
+                                  GetDeviceCaps(hdc, HORZRES),
+                                  GetDeviceCaps(hdc, VERTRES));
+  // Hard-code text_height = 0.5cm = ~1/5 of inch
+  page_setup_pixels_.Init(physical_size_pixels, printable_area_pixels,
+                          ConvertUnit(500, kHundrethsMMPerInch, dpi_));
+
+  // Initialize page_setup_cmm_.
+  // In theory, we should be using HORZSIZE and VERTSIZE but their value is
+  // so wrong it's useless. So read the values in dpi unit and convert them back
+  // in 0.01 mm.
+  gfx::Size physical_size_cmm(
+      ConvertUnit(physical_size_pixels.width(), dpi_, kHundrethsMMPerInch),
+      ConvertUnit(physical_size_pixels.height(), dpi_, kHundrethsMMPerInch));
+  gfx::Rect printable_area_cmm(
+      ConvertUnit(printable_area_pixels.x(), dpi_, kHundrethsMMPerInch),
+      ConvertUnit(printable_area_pixels.y(), dpi_, kHundrethsMMPerInch),
+      ConvertUnit(printable_area_pixels.width(), dpi_, kHundrethsMMPerInch),
+      ConvertUnit(printable_area_pixels.bottom(), dpi_, kHundrethsMMPerInch));
+
+  static const int kRoundingTolerance = 5;
+  // Some printers may advertise a slightly larger printable area than the
+  // physical area. This is mostly due to integer calculation and rounding.
+  if (physical_size_cmm.height() > printable_area_cmm.bottom() &&
+      physical_size_cmm.height() <= (printable_area_cmm.bottom() +
+                                     kRoundingTolerance)) {
+    physical_size_cmm.set_height(printable_area_cmm.bottom());
+  }
+  if (physical_size_cmm.width() > printable_area_cmm.right() &&
+      physical_size_cmm.width() <= (printable_area_cmm.right() +
+                                    kRoundingTolerance)) {
+    physical_size_cmm.set_width(printable_area_cmm.right());
+  }
+  page_setup_cmm_.Init(physical_size_cmm, printable_area_cmm, 500);
+}
+#endif
+
+void PrintSettings::UpdateMarginsMetric(const PageMargins& new_margins) {
+  // Apply the new margins in 0.01 mm unit.
+  page_setup_cmm_.SetRequestedMargins(new_margins);
+
+  // Converts the margins in dpi unit and apply those too.
+  PageMargins pixels_margins;
+  pixels_margins.header = ConvertUnit(new_margins.header, kHundrethsMMPerInch,
+                                      dpi_);
+  pixels_margins.footer = ConvertUnit(new_margins.footer, kHundrethsMMPerInch,
+                                      dpi_);
+  pixels_margins.left = ConvertUnit(new_margins.left, kHundrethsMMPerInch,
+                                    dpi_);
+  pixels_margins.top = ConvertUnit(new_margins.top, kHundrethsMMPerInch, dpi_);
+  pixels_margins.right = ConvertUnit(new_margins.right, kHundrethsMMPerInch,
+                                     dpi_);
+  pixels_margins.bottom = ConvertUnit(new_margins.bottom, kHundrethsMMPerInch,
+                                      dpi_);
+  page_setup_pixels_.SetRequestedMargins(pixels_margins);
+}
+
+void PrintSettings::UpdateMarginsMilliInch(const PageMargins& new_margins) {
+  // Convert margins from thousandth inches to cmm (0.01mm).
+  PageMargins cmm_margins;
+  cmm_margins.header =
+      ConvertMilliInchToHundredThousanthMeter(new_margins.header);
+  cmm_margins.footer =
+      ConvertMilliInchToHundredThousanthMeter(new_margins.footer);
+  cmm_margins.left = ConvertMilliInchToHundredThousanthMeter(new_margins.left);
+  cmm_margins.top = ConvertMilliInchToHundredThousanthMeter(new_margins.top);
+  cmm_margins.right =
+      ConvertMilliInchToHundredThousanthMeter(new_margins.right);
+  cmm_margins.bottom =
+      ConvertMilliInchToHundredThousanthMeter(new_margins.bottom);
+  UpdateMarginsMetric(cmm_margins);
+}
+
+void PrintSettings::RenderParams(ViewMsg_Print_Params* params) const {
+  DCHECK(params);
+  params->printable_size.SetSize(page_setup_pixels_.content_area().width(),
+                                 page_setup_pixels_.content_area().height());
+  params->dpi = dpi_;
+  // Currently hardcoded at 1.25. See PrintSettings' constructor.
+  params->min_shrink = min_shrink;
+  // Currently hardcoded at 2.0. See PrintSettings' constructor.
+  params->max_shrink = max_shrink;
+  // Currently hardcoded at 72dpi. See PrintSettings' constructor.
+  params->desired_dpi = desired_dpi;
+  // Always use an invalid cookie.
+  params->document_cookie = 0;
+}
+
+bool PrintSettings::Equals(const PrintSettings& rhs) const {
+  // Do not test the display device name (printer_name_) for equality since it
+  // may sometimes be chopped off at 30 chars. As long as device_name is the
+  // same, that's fine.
+  return ranges == rhs.ranges &&
+      min_shrink == rhs.min_shrink &&
+      max_shrink == rhs.max_shrink &&
+      desired_dpi == rhs.desired_dpi &&
+      overlays.Equals(rhs.overlays) &&
+      device_name_ == rhs.device_name_ &&
+      page_setup_pixels_.Equals(rhs.page_setup_pixels_) &&
+      page_setup_cmm_.Equals(rhs.page_setup_cmm_) &&
+      dpi_ == rhs.dpi_ &&
+      landscape_ == rhs.landscape_;
+}
+
+int PrintSettings::NewCookie() {
+  return base::AtomicIncrement(&s_cookie_);
+}
+
+}  // namespace printing