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authorinitial.commit <initial.commit@0039d316-1c4b-4281-b951-d872f2087c98>2008-07-26 23:55:29 +0000
committerinitial.commit <initial.commit@0039d316-1c4b-4281-b951-d872f2087c98>2008-07-26 23:55:29 +0000
commit09911bf300f1a419907a9412154760efd0b7abc3 (patch)
treef131325fb4e2ad12c6d3504ab75b16dd92facfed /chrome/browser/printing/page_number.cc
parent586acc5fe142f498261f52c66862fa417c3d52d2 (diff)
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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')
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diff --git a/chrome/browser/printing/page_number.cc b/chrome/browser/printing/page_number.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/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