diff options
author | initial.commit <initial.commit@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-07-26 23:55:29 +0000 |
---|---|---|
committer | initial.commit <initial.commit@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-07-26 23:55:29 +0000 |
commit | 09911bf300f1a419907a9412154760efd0b7abc3 (patch) | |
tree | f131325fb4e2ad12c6d3504ab75b16dd92facfed /chrome/browser/printing/page_number.cc | |
parent | 586acc5fe142f498261f52c66862fa417c3d52d2 (diff) | |
download | chromium_src-09911bf300f1a419907a9412154760efd0b7abc3.zip chromium_src-09911bf300f1a419907a9412154760efd0b7abc3.tar.gz chromium_src-09911bf300f1a419907a9412154760efd0b7abc3.tar.bz2 |
Add chrome to the repository.
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome/browser/printing/page_number.cc')
-rw-r--r-- | chrome/browser/printing/page_number.cc | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/chrome/browser/printing/page_number.cc b/chrome/browser/printing/page_number.cc new file mode 100644 index 0000000..041ddaf --- /dev/null +++ b/chrome/browser/printing/page_number.cc @@ -0,0 +1,104 @@ +// 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/page_number.h" + +#include "base/logging.h" +#include "chrome/browser/printing/print_settings.h" + +namespace printing { + +PageNumber::PageNumber(const PrintSettings& settings, int document_page_count) { + Init(settings, document_page_count); +} + +PageNumber::PageNumber() + : ranges_(NULL), + page_number_(-1), + page_range_index_(-1), + document_page_count_(0) { +} + +void PageNumber::operator=(const PageNumber& other) { + ranges_ = other.ranges_; + page_number_ = other.page_number_; + page_range_index_ = other.page_range_index_; + document_page_count_ = other.document_page_count_; +} + +void PageNumber::Init(const PrintSettings& settings, int document_page_count) { + DCHECK(document_page_count); + ranges_ = settings.ranges.empty() ? NULL : &settings.ranges; + document_page_count_ = document_page_count; + if (ranges_) { + page_range_index_ = 0; + page_number_ = (*ranges_)[0].from; + } else { + if (document_page_count) { + page_number_ = 0; + } else { + page_number_ = -1; + } + page_range_index_ = -1; + } +} + +int PageNumber::operator++() { + if (!ranges_) { + // Switch to next page. + if (++page_number_ == document_page_count_) { + // Finished. + *this = npos(); + } + } else { + // Switch to next page. + ++page_number_; + // Page ranges are inclusive. + if (page_number_ > (*ranges_)[page_range_index_].to) { + if (++page_range_index_ == ranges_->size()) { + // Finished. + *this = npos(); + } else { + page_number_ = (*ranges_)[page_range_index_].from; + } + } + } + return ToInt(); +} + +bool PageNumber::operator==(const PageNumber& other) const { + return page_number_ == other.page_number_ && + page_range_index_ == other.page_range_index_; +} +bool PageNumber::operator!=(const PageNumber& other) const { + return page_number_ != other.page_number_ || + page_range_index_ != other.page_range_index_; +} + +} // namespace printing |