Battery Status API: add UMA logging for Linux.
[chromium-blink-merge.git] / content / browser / renderer_host / pepper / pepper_print_settings_manager.cc
blob496070909f82a7c6bd943cbf6107da1b8fac6c3a
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "content/browser/renderer_host/pepper/pepper_print_settings_manager.h"
7 #include "content/public/browser/browser_thread.h"
8 #include "content/public/browser/content_browser_client.h"
9 #include "content/public/common/content_client.h"
10 #include "ppapi/c/pp_errors.h"
11 #include "printing/printing_context.h"
12 #include "printing/units.h"
14 namespace content {
16 namespace {
18 #if defined(ENABLE_FULL_PRINTING)
19 // Print units conversion functions.
20 int32_t DeviceUnitsInPoints(int32_t device_units,
21 int32_t device_units_per_inch) {
22 return printing::ConvertUnit(
23 device_units, device_units_per_inch, printing::kPointsPerInch);
26 PP_Size PrintSizeToPPPrintSize(const gfx::Size& print_size,
27 int32_t device_units_per_inch) {
28 PP_Size result;
29 result.width = DeviceUnitsInPoints(print_size.width(), device_units_per_inch);
30 result.height =
31 DeviceUnitsInPoints(print_size.height(), device_units_per_inch);
32 return result;
35 PP_Rect PrintAreaToPPPrintArea(const gfx::Rect& print_area,
36 int32_t device_units_per_inch) {
37 PP_Rect result;
38 result.point.x =
39 DeviceUnitsInPoints(print_area.origin().x(), device_units_per_inch);
40 result.point.y =
41 DeviceUnitsInPoints(print_area.origin().y(), device_units_per_inch);
42 result.size =
43 PrintSizeToPPPrintSize(print_area.size(), device_units_per_inch);
44 return result;
47 class PrintingContextDelegate : public printing::PrintingContext::Delegate {
48 public:
49 // PrintingContext::Delegate methods.
50 virtual gfx::NativeView GetParentView() OVERRIDE { return NULL; }
51 virtual std::string GetAppLocale() OVERRIDE {
52 return GetContentClient()->browser()->GetApplicationLocale();
56 PepperPrintSettingsManager::Result ComputeDefaultPrintSettings() {
57 // This function should run on the UI thread because |PrintingContext| methods
58 // call into platform APIs.
59 DCHECK_CURRENTLY_ON(BrowserThread::UI);
61 PrintingContextDelegate delegate;
62 scoped_ptr<printing::PrintingContext> context(
63 printing::PrintingContext::Create(&delegate));
64 if (!context.get() ||
65 context->UseDefaultSettings() != printing::PrintingContext::OK) {
66 return PepperPrintSettingsManager::Result(PP_PrintSettings_Dev(),
67 PP_ERROR_FAILED);
69 const printing::PrintSettings& print_settings = context->settings();
70 const printing::PageSetup& page_setup =
71 print_settings.page_setup_device_units();
72 int device_units_per_inch = print_settings.device_units_per_inch();
73 if (device_units_per_inch <= 0) {
74 return PepperPrintSettingsManager::Result(PP_PrintSettings_Dev(),
75 PP_ERROR_FAILED);
77 PP_PrintSettings_Dev settings;
78 settings.printable_area = PrintAreaToPPPrintArea(page_setup.printable_area(),
79 device_units_per_inch);
80 settings.content_area =
81 PrintAreaToPPPrintArea(page_setup.content_area(), device_units_per_inch);
82 settings.paper_size =
83 PrintSizeToPPPrintSize(page_setup.physical_size(), device_units_per_inch);
84 settings.dpi = print_settings.dpi();
86 // The remainder of the attributes are hard-coded to the defaults as set
87 // elsewhere.
88 settings.orientation = PP_PRINTORIENTATION_NORMAL;
89 settings.grayscale = PP_FALSE;
90 settings.print_scaling_option = PP_PRINTSCALINGOPTION_SOURCE_SIZE;
92 // TODO(raymes): Should be computed in the same way as
93 // |PluginInstance::GetPreferredPrintOutputFormat|.
94 // |PP_PRINTOUTPUTFORMAT_PDF| is currently the only supported format though,
95 // so just make it the default.
96 settings.format = PP_PRINTOUTPUTFORMAT_PDF;
97 return PepperPrintSettingsManager::Result(settings, PP_OK);
99 #else
100 PepperPrintSettingsManager::Result ComputeDefaultPrintSettings() {
101 return PepperPrintSettingsManager::Result(PP_PrintSettings_Dev(),
102 PP_ERROR_NOTSUPPORTED);
104 #endif
106 } // namespace
108 void PepperPrintSettingsManagerImpl::GetDefaultPrintSettings(
109 PepperPrintSettingsManager::Callback callback) {
110 BrowserThread::PostTaskAndReplyWithResult(
111 BrowserThread::UI,
112 FROM_HERE,
113 base::Bind(ComputeDefaultPrintSettings),
114 callback);
117 } // namespace content