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.
4
5 #include "chrome/browser/ui/webui/print_preview/print_preview_ui.h"
6
7 #include <map>
8 #include <vector>
9
10 #include "base/id_map.h"
11 #include "base/lazy_instance.h"
12 #include "base/memory/ref_counted_memory.h"
13 #include "base/metrics/histogram.h"
14 #include "base/strings/string_number_conversions.h"
15 #include "base/strings/string_split.h"
16 #include "base/strings/string_util.h"
17 #include "base/strings/utf_string_conversions.h"
18 #include "base/synchronization/lock.h"
19 #include "base/values.h"
20 #include "chrome/browser/browser_process.h"
21 #include "chrome/browser/printing/background_printing_manager.h"
22 #include "chrome/browser/printing/print_preview_data_service.h"
23 #include "chrome/browser/profiles/profile.h"
24 #include "chrome/browser/ui/webui/metrics_handler.h"
25 #include "chrome/browser/ui/webui/print_preview/print_preview_handler.h"
26 #include "chrome/browser/ui/webui/theme_source.h"
27 #include "chrome/common/print_messages.h"
28 #include "chrome/common/url_constants.h"
29 #include "chrome/grit/chromium_strings.h"
30 #include "chrome/grit/generated_resources.h"
31 #include "chrome/grit/google_chrome_strings.h"
32 #include "content/public/browser/url_data_source.h"
33 #include "content/public/browser/web_contents.h"
34 #include "content/public/browser/web_ui_data_source.h"
35 #include "grit/browser_resources.h"
36 #include "grit/components_strings.h"
37 #include "printing/page_size_margins.h"
38 #include "printing/print_job_constants.h"
39 #include "ui/base/l10n/l10n_util.h"
40 #include "ui/gfx/rect.h"
41 #include "ui/web_dialogs/web_dialog_delegate.h"
42 #include "ui/web_dialogs/web_dialog_ui.h"
43
44 using content::WebContents;
45 using printing::PageSizeMargins;
46
47 namespace {
48
49 #if defined(OS_MACOSX)
50 // U+0028 U+21E7 U+2318 U+0050 U+0029 in UTF8
51 const char kBasicPrintShortcut[] = "\x28\xE2\x8c\xA5\xE2\x8C\x98\x50\x29";
52 #elif defined(OS_WIN) || defined(OS_CHROMEOS)
53 const char kBasicPrintShortcut[] = "(Ctrl+Shift+P)";
54 #else
55 const char kBasicPrintShortcut[] = "(Shift+Ctrl+P)";
56 #endif
57
58 // Thread-safe wrapper around a std::map to keep track of mappings from
59 // PrintPreviewUI IDs to most recent print preview request IDs.
60 class PrintPreviewRequestIdMapWithLock {
61 public:
PrintPreviewRequestIdMapWithLock()62 PrintPreviewRequestIdMapWithLock() {}
~PrintPreviewRequestIdMapWithLock()63 ~PrintPreviewRequestIdMapWithLock() {}
64
65 // Gets the value for |preview_id|.
66 // Returns true and sets |out_value| on success.
Get(int32 preview_id,int * out_value)67 bool Get(int32 preview_id, int* out_value) {
68 base::AutoLock lock(lock_);
69 PrintPreviewRequestIdMap::const_iterator it = map_.find(preview_id);
70 if (it == map_.end())
71 return false;
72 *out_value = it->second;
73 return true;
74 }
75
76 // Sets the |value| for |preview_id|.
Set(int32 preview_id,int value)77 void Set(int32 preview_id, int value) {
78 base::AutoLock lock(lock_);
79 map_[preview_id] = value;
80 }
81
82 // Erases the entry for |preview_id|.
Erase(int32 preview_id)83 void Erase(int32 preview_id) {
84 base::AutoLock lock(lock_);
85 map_.erase(preview_id);
86 }
87
88 private:
89 // Mapping from PrintPreviewUI ID to print preview request ID.
90 typedef std::map<int, int> PrintPreviewRequestIdMap;
91
92 PrintPreviewRequestIdMap map_;
93 base::Lock lock_;
94
95 DISALLOW_COPY_AND_ASSIGN(PrintPreviewRequestIdMapWithLock);
96 };
97
98 // Written to on the UI thread, read from any thread.
99 base::LazyInstance<PrintPreviewRequestIdMapWithLock>
100 g_print_preview_request_id_map = LAZY_INSTANCE_INITIALIZER;
101
102 // PrintPreviewUI IDMap used to avoid exposing raw pointer addresses to WebUI.
103 // Only accessed on the UI thread.
104 base::LazyInstance<IDMap<PrintPreviewUI> >
105 g_print_preview_ui_id_map = LAZY_INSTANCE_INITIALIZER;
106
107 // PrintPreviewUI serves data for chrome://print requests.
108 //
109 // The format for requesting PDF data is as follows:
110 // chrome://print/<PrintPreviewUIID>/<PageIndex>/print.pdf
111 //
112 // Parameters (< > required):
113 // <PrintPreviewUIID> = PrintPreview UI ID
114 // <PageIndex> = Page index is zero-based or
115 // |printing::COMPLETE_PREVIEW_DOCUMENT_INDEX| to represent
116 // a print ready PDF.
117 //
118 // Example:
119 // chrome://print/123/10/print.pdf
120 //
121 // Requests to chrome://print with paths not ending in /print.pdf are used
122 // to return the markup or other resources for the print preview page itself.
HandleRequestCallback(const std::string & path,const content::WebUIDataSource::GotDataCallback & callback)123 bool HandleRequestCallback(
124 const std::string& path,
125 const content::WebUIDataSource::GotDataCallback& callback) {
126 // ChromeWebUIDataSource handles most requests except for the print preview
127 // data.
128 if (!EndsWith(path, "/print.pdf", true))
129 return false;
130
131 // Print Preview data.
132 scoped_refptr<base::RefCountedBytes> data;
133 std::vector<std::string> url_substr;
134 base::SplitString(path, '/', &url_substr);
135 int preview_ui_id = -1;
136 int page_index = 0;
137 if (url_substr.size() == 3 &&
138 base::StringToInt(url_substr[0], &preview_ui_id),
139 base::StringToInt(url_substr[1], &page_index) &&
140 preview_ui_id >= 0) {
141 PrintPreviewDataService::GetInstance()->GetDataEntry(
142 preview_ui_id, page_index, &data);
143 }
144 if (data.get()) {
145 callback.Run(data.get());
146 return true;
147 }
148 // Invalid request.
149 scoped_refptr<base::RefCountedBytes> empty_bytes(new base::RefCountedBytes);
150 callback.Run(empty_bytes.get());
151 return true;
152 }
153
CreatePrintPreviewUISource()154 content::WebUIDataSource* CreatePrintPreviewUISource() {
155 content::WebUIDataSource* source =
156 content::WebUIDataSource::Create(chrome::kChromeUIPrintHost);
157 #if defined(OS_CHROMEOS)
158 source->AddLocalizedString("title",
159 IDS_PRINT_PREVIEW_GOOGLE_CLOUD_PRINT_TITLE);
160 #else
161 source->AddLocalizedString("title", IDS_PRINT_PREVIEW_TITLE);
162 #endif
163 source->AddLocalizedString("loading", IDS_PRINT_PREVIEW_LOADING);
164 source->AddLocalizedString("noPlugin", IDS_PRINT_PREVIEW_NO_PLUGIN);
165 source->AddLocalizedString("launchNativeDialog",
166 IDS_PRINT_PREVIEW_NATIVE_DIALOG);
167 source->AddLocalizedString("previewFailed", IDS_PRINT_PREVIEW_FAILED);
168 source->AddLocalizedString("invalidPrinterSettings",
169 IDS_PRINT_INVALID_PRINTER_SETTINGS);
170 source->AddLocalizedString("printButton", IDS_PRINT_PREVIEW_PRINT_BUTTON);
171 source->AddLocalizedString("saveButton", IDS_PRINT_PREVIEW_SAVE_BUTTON);
172 source->AddLocalizedString("printing", IDS_PRINT_PREVIEW_PRINTING);
173 source->AddLocalizedString("printingToPDFInProgress",
174 IDS_PRINT_PREVIEW_PRINTING_TO_PDF_IN_PROGRESS);
175 #if defined(OS_MACOSX)
176 source->AddLocalizedString("openingPDFInPreview",
177 IDS_PRINT_PREVIEW_OPENING_PDF_IN_PREVIEW);
178 #endif
179 source->AddLocalizedString("destinationLabel",
180 IDS_PRINT_PREVIEW_DESTINATION_LABEL);
181 source->AddLocalizedString("copiesLabel", IDS_PRINT_PREVIEW_COPIES_LABEL);
182 source->AddLocalizedString("examplePageRangeText",
183 IDS_PRINT_PREVIEW_EXAMPLE_PAGE_RANGE_TEXT);
184 source->AddLocalizedString("layoutLabel", IDS_PRINT_PREVIEW_LAYOUT_LABEL);
185 source->AddLocalizedString("optionAllPages",
186 IDS_PRINT_PREVIEW_OPTION_ALL_PAGES);
187 source->AddLocalizedString("optionBw", IDS_PRINT_PREVIEW_OPTION_BW);
188 source->AddLocalizedString("optionCollate", IDS_PRINT_PREVIEW_OPTION_COLLATE);
189 source->AddLocalizedString("optionColor", IDS_PRINT_PREVIEW_OPTION_COLOR);
190 source->AddLocalizedString("optionLandscape",
191 IDS_PRINT_PREVIEW_OPTION_LANDSCAPE);
192 source->AddLocalizedString("optionPortrait",
193 IDS_PRINT_PREVIEW_OPTION_PORTRAIT);
194 source->AddLocalizedString("optionTwoSided",
195 IDS_PRINT_PREVIEW_OPTION_TWO_SIDED);
196 source->AddLocalizedString("pagesLabel", IDS_PRINT_PREVIEW_PAGES_LABEL);
197 source->AddLocalizedString("pageRangeTextBox",
198 IDS_PRINT_PREVIEW_PAGE_RANGE_TEXT);
199 source->AddLocalizedString("pageRangeRadio",
200 IDS_PRINT_PREVIEW_PAGE_RANGE_RADIO);
201 source->AddLocalizedString("printToPDF", IDS_PRINT_PREVIEW_PRINT_TO_PDF);
202 source->AddLocalizedString("printPreviewSummaryFormatShort",
203 IDS_PRINT_PREVIEW_SUMMARY_FORMAT_SHORT);
204 source->AddLocalizedString("printPreviewSummaryFormatLong",
205 IDS_PRINT_PREVIEW_SUMMARY_FORMAT_LONG);
206 source->AddLocalizedString("printPreviewSheetsLabelSingular",
207 IDS_PRINT_PREVIEW_SHEETS_LABEL_SINGULAR);
208 source->AddLocalizedString("printPreviewSheetsLabelPlural",
209 IDS_PRINT_PREVIEW_SHEETS_LABEL_PLURAL);
210 source->AddLocalizedString("printPreviewPageLabelSingular",
211 IDS_PRINT_PREVIEW_PAGE_LABEL_SINGULAR);
212 source->AddLocalizedString("printPreviewPageLabelPlural",
213 IDS_PRINT_PREVIEW_PAGE_LABEL_PLURAL);
214 const base::string16 shortcut_text(base::UTF8ToUTF16(kBasicPrintShortcut));
215 #if defined(OS_CHROMEOS)
216 source->AddString(
217 "systemDialogOption",
218 l10n_util::GetStringFUTF16(
219 IDS_PRINT_PREVIEW_CLOUD_DIALOG_OPTION,
220 l10n_util::GetStringUTF16(IDS_GOOGLE_CLOUD_PRINT),
221 shortcut_text));
222 #else
223 source->AddString(
224 "systemDialogOption",
225 l10n_util::GetStringFUTF16(
226 IDS_PRINT_PREVIEW_SYSTEM_DIALOG_OPTION,
227 shortcut_text));
228 #endif
229 source->AddString(
230 "cloudPrintDialogOption",
231 l10n_util::GetStringFUTF16(
232 IDS_PRINT_PREVIEW_CLOUD_DIALOG_OPTION_NO_SHORTCUT,
233 l10n_util::GetStringUTF16(IDS_GOOGLE_CLOUD_PRINT)));
234 #if defined(OS_MACOSX)
235 source->AddLocalizedString("openPdfInPreviewOption",
236 IDS_PRINT_PREVIEW_OPEN_PDF_IN_PREVIEW_APP);
237 #endif
238 source->AddString(
239 "printWithCloudPrintWait",
240 l10n_util::GetStringFUTF16(
241 IDS_PRINT_PREVIEW_PRINT_WITH_CLOUD_PRINT_WAIT,
242 l10n_util::GetStringUTF16(IDS_GOOGLE_CLOUD_PRINT)));
243 source->AddString(
244 "noDestsPromoLearnMoreUrl",
245 chrome::kCloudPrintNoDestinationsLearnMoreURL);
246 source->AddLocalizedString("pageRangeInstruction",
247 IDS_PRINT_PREVIEW_PAGE_RANGE_INSTRUCTION);
248 source->AddLocalizedString("copiesInstruction",
249 IDS_PRINT_PREVIEW_COPIES_INSTRUCTION);
250 source->AddLocalizedString("incrementTitle",
251 IDS_PRINT_PREVIEW_INCREMENT_TITLE);
252 source->AddLocalizedString("decrementTitle",
253 IDS_PRINT_PREVIEW_DECREMENT_TITLE);
254 source->AddLocalizedString("printPagesLabel",
255 IDS_PRINT_PREVIEW_PRINT_PAGES_LABEL);
256 source->AddLocalizedString("optionsLabel", IDS_PRINT_PREVIEW_OPTIONS_LABEL);
257 source->AddLocalizedString("optionHeaderFooter",
258 IDS_PRINT_PREVIEW_OPTION_HEADER_FOOTER);
259 source->AddLocalizedString("optionFitToPage",
260 IDS_PRINT_PREVIEW_OPTION_FIT_TO_PAGE);
261 source->AddLocalizedString(
262 "optionBackgroundColorsAndImages",
263 IDS_PRINT_PREVIEW_OPTION_BACKGROUND_COLORS_AND_IMAGES);
264 source->AddLocalizedString("optionSelectionOnly",
265 IDS_PRINT_PREVIEW_OPTION_SELECTION_ONLY);
266 source->AddLocalizedString("marginsLabel", IDS_PRINT_PREVIEW_MARGINS_LABEL);
267 source->AddLocalizedString("defaultMargins",
268 IDS_PRINT_PREVIEW_DEFAULT_MARGINS);
269 source->AddLocalizedString("noMargins", IDS_PRINT_PREVIEW_NO_MARGINS);
270 source->AddLocalizedString("customMargins", IDS_PRINT_PREVIEW_CUSTOM_MARGINS);
271 source->AddLocalizedString("minimumMargins",
272 IDS_PRINT_PREVIEW_MINIMUM_MARGINS);
273 source->AddLocalizedString("top", IDS_PRINT_PREVIEW_TOP_MARGIN_LABEL);
274 source->AddLocalizedString("bottom", IDS_PRINT_PREVIEW_BOTTOM_MARGIN_LABEL);
275 source->AddLocalizedString("left", IDS_PRINT_PREVIEW_LEFT_MARGIN_LABEL);
276 source->AddLocalizedString("right", IDS_PRINT_PREVIEW_RIGHT_MARGIN_LABEL);
277 source->AddLocalizedString("mediaSizeLabel",
278 IDS_PRINT_PREVIEW_MEDIA_SIZE_LABEL);
279 source->AddLocalizedString("destinationSearchTitle",
280 IDS_PRINT_PREVIEW_DESTINATION_SEARCH_TITLE);
281 source->AddLocalizedString("accountSelectTitle",
282 IDS_PRINT_PREVIEW_ACCOUNT_SELECT_TITLE);
283 source->AddLocalizedString("addAccountTitle",
284 IDS_PRINT_PREVIEW_ADD_ACCOUNT_TITLE);
285 source->AddLocalizedString("cloudPrintPromotion",
286 IDS_PRINT_PREVIEW_CLOUD_PRINT_PROMOTION);
287 source->AddLocalizedString("searchBoxPlaceholder",
288 IDS_PRINT_PREVIEW_SEARCH_BOX_PLACEHOLDER);
289 source->AddLocalizedString("noDestinationsMessage",
290 IDS_PRINT_PREVIEW_NO_DESTINATIONS_MESSAGE);
291 source->AddLocalizedString("showAllButtonText",
292 IDS_PRINT_PREVIEW_SHOW_ALL_BUTTON_TEXT);
293 source->AddLocalizedString("destinationCount",
294 IDS_PRINT_PREVIEW_DESTINATION_COUNT);
295 source->AddLocalizedString("recentDestinationsTitle",
296 IDS_PRINT_PREVIEW_RECENT_DESTINATIONS_TITLE);
297 source->AddLocalizedString("localDestinationsTitle",
298 IDS_PRINT_PREVIEW_LOCAL_DESTINATIONS_TITLE);
299 source->AddLocalizedString("cloudDestinationsTitle",
300 IDS_PRINT_PREVIEW_CLOUD_DESTINATIONS_TITLE);
301 source->AddLocalizedString("manage", IDS_PRINT_PREVIEW_MANAGE);
302 source->AddLocalizedString("setupCloudPrinters",
303 IDS_PRINT_PREVIEW_SETUP_CLOUD_PRINTERS);
304 source->AddLocalizedString("changeDestination",
305 IDS_PRINT_PREVIEW_CHANGE_DESTINATION);
306 source->AddLocalizedString("offlineForYear",
307 IDS_PRINT_PREVIEW_OFFLINE_FOR_YEAR);
308 source->AddLocalizedString("offlineForMonth",
309 IDS_PRINT_PREVIEW_OFFLINE_FOR_MONTH);
310 source->AddLocalizedString("offlineForWeek",
311 IDS_PRINT_PREVIEW_OFFLINE_FOR_WEEK);
312 source->AddLocalizedString("offline", IDS_PRINT_PREVIEW_OFFLINE);
313 source->AddLocalizedString("fedexTos", IDS_PRINT_PREVIEW_FEDEX_TOS);
314 source->AddLocalizedString("tosCheckboxLabel",
315 IDS_PRINT_PREVIEW_TOS_CHECKBOX_LABEL);
316 source->AddLocalizedString("noDestsPromoTitle",
317 IDS_PRINT_PREVIEW_NO_DESTS_PROMO_TITLE);
318 source->AddLocalizedString("noDestsPromoBody",
319 IDS_PRINT_PREVIEW_NO_DESTS_PROMO_BODY);
320 source->AddLocalizedString("noDestsPromoGcpDesc",
321 IDS_PRINT_PREVIEW_NO_DESTS_GCP_DESC);
322 source->AddLocalizedString("learnMore",
323 IDS_LEARN_MORE);
324 source->AddLocalizedString(
325 "noDestsPromoAddPrinterButtonLabel",
326 IDS_PRINT_PREVIEW_NO_DESTS_PROMO_ADD_PRINTER_BUTTON_LABEL);
327 source->AddLocalizedString(
328 "noDestsPromoNotNowButtonLabel",
329 IDS_PRINT_PREVIEW_NO_DESTS_PROMO_NOT_NOW_BUTTON_LABEL);
330 source->AddLocalizedString("couldNotPrint",
331 IDS_PRINT_PREVIEW_COULD_NOT_PRINT);
332 source->AddLocalizedString("registerPromoButtonText",
333 IDS_PRINT_PREVIEW_REGISTER_PROMO_BUTTON_TEXT);
334 source->AddLocalizedString(
335 "advancedSettingsSearchBoxPlaceholder",
336 IDS_PRINT_PREVIEW_ADVANCED_SETTINGS_SEARCH_BOX_PLACEHOLDER);
337 source->AddLocalizedString("advancedSettingsDialogTitle",
338 IDS_PRINT_PREVIEW_ADVANCED_SETTINGS_DIALOG_TITLE);
339 source->AddLocalizedString(
340 "noAdvancedSettingsMatchSearchHint",
341 IDS_PRINT_PREVIEW_NO_ADVANCED_SETTINGS_MATCH_SEARCH_HINT);
342 source->AddLocalizedString(
343 "advancedSettingsDialogConfirm",
344 IDS_PRINT_PREVIEW_ADVANCED_SETTINGS_DIALOG_CONFIRM);
345 source->AddLocalizedString("cancel", IDS_CANCEL);
346 source->AddLocalizedString("advancedOptionsLabel",
347 IDS_PRINT_PREVIEW_ADVANCED_OPTIONS_LABEL);
348 source->AddLocalizedString("showAdvancedOptions",
349 IDS_PRINT_PREVIEW_SHOW_ADVANCED_OPTIONS);
350
351 source->AddLocalizedString("accept", IDS_PRINT_PREVIEW_ACCEPT_INVITE);
352 source->AddLocalizedString(
353 "acceptForGroup", IDS_PRINT_PREVIEW_ACCEPT_GROUP_INVITE);
354 source->AddLocalizedString("reject", IDS_PRINT_PREVIEW_REJECT_INVITE);
355 source->AddLocalizedString(
356 "groupPrinterSharingInviteText", IDS_PRINT_PREVIEW_GROUP_INVITE_TEXT);
357 source->AddLocalizedString(
358 "printerSharingInviteText", IDS_PRINT_PREVIEW_INVITE_TEXT);
359
360 source->SetUseJsonJSFormatV2();
361 source->SetJsonPath("strings.js");
362 source->AddResourcePath("print_preview.js", IDR_PRINT_PREVIEW_JS);
363 source->AddResourcePath("images/printer.png",
364 IDR_PRINT_PREVIEW_IMAGES_PRINTER);
365 source->AddResourcePath("images/printer_shared.png",
366 IDR_PRINT_PREVIEW_IMAGES_PRINTER_SHARED);
367 source->AddResourcePath("images/third_party.png",
368 IDR_PRINT_PREVIEW_IMAGES_THIRD_PARTY);
369 source->AddResourcePath("images/third_party_fedex.png",
370 IDR_PRINT_PREVIEW_IMAGES_THIRD_PARTY_FEDEX);
371 source->AddResourcePath("images/google_doc.png",
372 IDR_PRINT_PREVIEW_IMAGES_GOOGLE_DOC);
373 source->AddResourcePath("images/pdf.png", IDR_PRINT_PREVIEW_IMAGES_PDF);
374 source->AddResourcePath("images/mobile.png", IDR_PRINT_PREVIEW_IMAGES_MOBILE);
375 source->AddResourcePath("images/mobile_shared.png",
376 IDR_PRINT_PREVIEW_IMAGES_MOBILE_SHARED);
377 source->SetDefaultResource(IDR_PRINT_PREVIEW_HTML);
378 source->SetRequestFilter(base::Bind(&HandleRequestCallback));
379 source->OverrideContentSecurityPolicyObjectSrc("object-src 'self';");
380 source->AddLocalizedString("moreOptionsLabel", IDS_MORE_OPTIONS_LABEL);
381 source->AddLocalizedString("lessOptionsLabel", IDS_LESS_OPTIONS_LABEL);
382 return source;
383 }
384
385 PrintPreviewUI::TestingDelegate* g_testing_delegate = NULL;
386
387 } // namespace
388
PrintPreviewUI(content::WebUI * web_ui)389 PrintPreviewUI::PrintPreviewUI(content::WebUI* web_ui)
390 : ConstrainedWebDialogUI(web_ui),
391 initial_preview_start_time_(base::TimeTicks::Now()),
392 id_(g_print_preview_ui_id_map.Get().Add(this)),
393 handler_(NULL),
394 source_is_modifiable_(true),
395 source_has_selection_(false),
396 dialog_closed_(false) {
397 // Set up the chrome://print/ data source.
398 Profile* profile = Profile::FromWebUI(web_ui);
399 content::WebUIDataSource::Add(profile, CreatePrintPreviewUISource());
400
401 // Set up the chrome://theme/ source.
402 content::URLDataSource::Add(profile, new ThemeSource(profile));
403
404 // WebUI owns |handler_|.
405 handler_ = new PrintPreviewHandler();
406 web_ui->AddMessageHandler(handler_);
407
408 web_ui->AddMessageHandler(new MetricsHandler());
409
410 g_print_preview_request_id_map.Get().Set(id_, -1);
411 }
412
~PrintPreviewUI()413 PrintPreviewUI::~PrintPreviewUI() {
414 print_preview_data_service()->RemoveEntry(id_);
415 g_print_preview_request_id_map.Get().Erase(id_);
416 g_print_preview_ui_id_map.Get().Remove(id_);
417 }
418
GetPrintPreviewDataForIndex(int index,scoped_refptr<base::RefCountedBytes> * data)419 void PrintPreviewUI::GetPrintPreviewDataForIndex(
420 int index,
421 scoped_refptr<base::RefCountedBytes>* data) {
422 print_preview_data_service()->GetDataEntry(id_, index, data);
423 }
424
SetPrintPreviewDataForIndex(int index,const base::RefCountedBytes * data)425 void PrintPreviewUI::SetPrintPreviewDataForIndex(
426 int index,
427 const base::RefCountedBytes* data) {
428 print_preview_data_service()->SetDataEntry(id_, index, data);
429 }
430
ClearAllPreviewData()431 void PrintPreviewUI::ClearAllPreviewData() {
432 print_preview_data_service()->RemoveEntry(id_);
433 }
434
GetAvailableDraftPageCount()435 int PrintPreviewUI::GetAvailableDraftPageCount() {
436 return print_preview_data_service()->GetAvailableDraftPageCount(id_);
437 }
438
SetInitiatorTitle(const base::string16 & job_title)439 void PrintPreviewUI::SetInitiatorTitle(
440 const base::string16& job_title) {
441 initiator_title_ = job_title;
442 }
443
444 // static
SetInitialParams(content::WebContents * print_preview_dialog,const PrintHostMsg_RequestPrintPreview_Params & params)445 void PrintPreviewUI::SetInitialParams(
446 content::WebContents* print_preview_dialog,
447 const PrintHostMsg_RequestPrintPreview_Params& params) {
448 if (!print_preview_dialog || !print_preview_dialog->GetWebUI())
449 return;
450 PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
451 print_preview_dialog->GetWebUI()->GetController());
452 print_preview_ui->source_is_modifiable_ = params.is_modifiable;
453 print_preview_ui->source_has_selection_ = params.has_selection;
454 print_preview_ui->print_selection_only_ = params.selection_only;
455 }
456
457 // static
GetCurrentPrintPreviewStatus(int32 preview_ui_id,int request_id,bool * cancel)458 void PrintPreviewUI::GetCurrentPrintPreviewStatus(int32 preview_ui_id,
459 int request_id,
460 bool* cancel) {
461 int current_id = -1;
462 if (!g_print_preview_request_id_map.Get().Get(preview_ui_id, ¤t_id)) {
463 *cancel = true;
464 return;
465 }
466 *cancel = (request_id != current_id);
467 }
468
GetIDForPrintPreviewUI() const469 int32 PrintPreviewUI::GetIDForPrintPreviewUI() const {
470 return id_;
471 }
472
OnPrintPreviewDialogClosed()473 void PrintPreviewUI::OnPrintPreviewDialogClosed() {
474 WebContents* preview_dialog = web_ui()->GetWebContents();
475 printing::BackgroundPrintingManager* background_printing_manager =
476 g_browser_process->background_printing_manager();
477 if (background_printing_manager->HasPrintPreviewDialog(preview_dialog))
478 return;
479 OnClosePrintPreviewDialog();
480 }
481
OnInitiatorClosed()482 void PrintPreviewUI::OnInitiatorClosed() {
483 WebContents* preview_dialog = web_ui()->GetWebContents();
484 printing::BackgroundPrintingManager* background_printing_manager =
485 g_browser_process->background_printing_manager();
486 if (background_printing_manager->HasPrintPreviewDialog(preview_dialog))
487 web_ui()->CallJavascriptFunction("cancelPendingPrintRequest");
488 else
489 OnClosePrintPreviewDialog();
490 }
491
OnPrintPreviewRequest(int request_id)492 void PrintPreviewUI::OnPrintPreviewRequest(int request_id) {
493 if (!initial_preview_start_time_.is_null()) {
494 UMA_HISTOGRAM_TIMES("PrintPreview.InitializationTime",
495 base::TimeTicks::Now() - initial_preview_start_time_);
496 }
497 g_print_preview_request_id_map.Get().Set(id_, request_id);
498 }
499
500 #if !defined(DISABLE_BASIC_PRINTING)
OnShowSystemDialog()501 void PrintPreviewUI::OnShowSystemDialog() {
502 web_ui()->CallJavascriptFunction("onSystemDialogLinkClicked");
503 }
504 #endif // !DISABLE_BASIC_PRINTING
505
OnDidGetPreviewPageCount(const PrintHostMsg_DidGetPreviewPageCount_Params & params)506 void PrintPreviewUI::OnDidGetPreviewPageCount(
507 const PrintHostMsg_DidGetPreviewPageCount_Params& params) {
508 DCHECK_GT(params.page_count, 0);
509 if (g_testing_delegate)
510 g_testing_delegate->DidGetPreviewPageCount(params.page_count);
511 base::FundamentalValue count(params.page_count);
512 base::FundamentalValue request_id(params.preview_request_id);
513 web_ui()->CallJavascriptFunction("onDidGetPreviewPageCount",
514 count,
515 request_id);
516 }
517
OnDidGetDefaultPageLayout(const PageSizeMargins & page_layout,const gfx::Rect & printable_area,bool has_custom_page_size_style)518 void PrintPreviewUI::OnDidGetDefaultPageLayout(
519 const PageSizeMargins& page_layout, const gfx::Rect& printable_area,
520 bool has_custom_page_size_style) {
521 if (page_layout.margin_top < 0 || page_layout.margin_left < 0 ||
522 page_layout.margin_bottom < 0 || page_layout.margin_right < 0 ||
523 page_layout.content_width < 0 || page_layout.content_height < 0 ||
524 printable_area.width() <= 0 || printable_area.height() <= 0) {
525 NOTREACHED();
526 return;
527 }
528
529 base::DictionaryValue layout;
530 layout.SetDouble(printing::kSettingMarginTop, page_layout.margin_top);
531 layout.SetDouble(printing::kSettingMarginLeft, page_layout.margin_left);
532 layout.SetDouble(printing::kSettingMarginBottom, page_layout.margin_bottom);
533 layout.SetDouble(printing::kSettingMarginRight, page_layout.margin_right);
534 layout.SetDouble(printing::kSettingContentWidth, page_layout.content_width);
535 layout.SetDouble(printing::kSettingContentHeight, page_layout.content_height);
536 layout.SetInteger(printing::kSettingPrintableAreaX, printable_area.x());
537 layout.SetInteger(printing::kSettingPrintableAreaY, printable_area.y());
538 layout.SetInteger(printing::kSettingPrintableAreaWidth,
539 printable_area.width());
540 layout.SetInteger(printing::kSettingPrintableAreaHeight,
541 printable_area.height());
542
543 base::FundamentalValue has_page_size_style(has_custom_page_size_style);
544 web_ui()->CallJavascriptFunction("onDidGetDefaultPageLayout", layout,
545 has_page_size_style);
546 }
547
OnDidPreviewPage(int page_number,int preview_request_id)548 void PrintPreviewUI::OnDidPreviewPage(int page_number,
549 int preview_request_id) {
550 DCHECK_GE(page_number, 0);
551 base::FundamentalValue number(page_number);
552 base::FundamentalValue ui_identifier(id_);
553 base::FundamentalValue request_id(preview_request_id);
554 if (g_testing_delegate)
555 g_testing_delegate->DidRenderPreviewPage(web_ui()->GetWebContents());
556 web_ui()->CallJavascriptFunction(
557 "onDidPreviewPage", number, ui_identifier, request_id);
558 if (g_testing_delegate && g_testing_delegate->IsAutoCancelEnabled())
559 web_ui()->CallJavascriptFunction("autoCancelForTesting");
560 }
561
OnPreviewDataIsAvailable(int expected_pages_count,int preview_request_id)562 void PrintPreviewUI::OnPreviewDataIsAvailable(int expected_pages_count,
563 int preview_request_id) {
564 VLOG(1) << "Print preview request finished with "
565 << expected_pages_count << " pages";
566
567 if (!initial_preview_start_time_.is_null()) {
568 UMA_HISTOGRAM_TIMES("PrintPreview.InitialDisplayTime",
569 base::TimeTicks::Now() - initial_preview_start_time_);
570 UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.Initial",
571 expected_pages_count);
572 UMA_HISTOGRAM_COUNTS(
573 "PrintPreview.RegeneratePreviewRequest.BeforeFirstData",
574 handler_->regenerate_preview_request_count());
575 initial_preview_start_time_ = base::TimeTicks();
576 }
577 base::FundamentalValue ui_identifier(id_);
578 base::FundamentalValue ui_preview_request_id(preview_request_id);
579 web_ui()->CallJavascriptFunction("updatePrintPreview", ui_identifier,
580 ui_preview_request_id);
581 }
582
OnPrintPreviewDialogDestroyed()583 void PrintPreviewUI::OnPrintPreviewDialogDestroyed() {
584 handler_->OnPrintPreviewDialogDestroyed();
585 }
586
OnFileSelectionCancelled()587 void PrintPreviewUI::OnFileSelectionCancelled() {
588 web_ui()->CallJavascriptFunction("fileSelectionCancelled");
589 }
590
OnCancelPendingPreviewRequest()591 void PrintPreviewUI::OnCancelPendingPreviewRequest() {
592 g_print_preview_request_id_map.Get().Set(id_, -1);
593 }
594
OnPrintPreviewFailed()595 void PrintPreviewUI::OnPrintPreviewFailed() {
596 handler_->OnPrintPreviewFailed();
597 web_ui()->CallJavascriptFunction("printPreviewFailed");
598 }
599
OnInvalidPrinterSettings()600 void PrintPreviewUI::OnInvalidPrinterSettings() {
601 web_ui()->CallJavascriptFunction("invalidPrinterSettings");
602 }
603
print_preview_data_service()604 PrintPreviewDataService* PrintPreviewUI::print_preview_data_service() {
605 return PrintPreviewDataService::GetInstance();
606 }
607
OnHidePreviewDialog()608 void PrintPreviewUI::OnHidePreviewDialog() {
609 WebContents* preview_dialog = web_ui()->GetWebContents();
610 printing::BackgroundPrintingManager* background_printing_manager =
611 g_browser_process->background_printing_manager();
612 if (background_printing_manager->HasPrintPreviewDialog(preview_dialog))
613 return;
614
615 ConstrainedWebDialogDelegate* delegate = GetConstrainedDelegate();
616 if (!delegate)
617 return;
618 delegate->ReleaseWebContentsOnDialogClose();
619 background_printing_manager->OwnPrintPreviewDialog(preview_dialog);
620 OnClosePrintPreviewDialog();
621 }
622
OnClosePrintPreviewDialog()623 void PrintPreviewUI::OnClosePrintPreviewDialog() {
624 if (dialog_closed_)
625 return;
626 dialog_closed_ = true;
627 ConstrainedWebDialogDelegate* delegate = GetConstrainedDelegate();
628 if (!delegate)
629 return;
630 delegate->GetWebDialogDelegate()->OnDialogClosed(std::string());
631 delegate->OnDialogCloseFromWebUI();
632 }
633
OnReloadPrintersList()634 void PrintPreviewUI::OnReloadPrintersList() {
635 web_ui()->CallJavascriptFunction("reloadPrintersList");
636 }
637
OnSetOptionsFromDocument(const PrintHostMsg_SetOptionsFromDocument_Params & params)638 void PrintPreviewUI::OnSetOptionsFromDocument(
639 const PrintHostMsg_SetOptionsFromDocument_Params& params) {
640 // Notify WebUI that print scaling is disabled
641 if (params.is_scaling_disabled)
642 web_ui()->CallJavascriptFunction("printScalingDisabledForSourcePDF");
643 }
644
645 // static
SetDelegateForTesting(TestingDelegate * delegate)646 void PrintPreviewUI::SetDelegateForTesting(TestingDelegate* delegate) {
647 g_testing_delegate = delegate;
648 }
649
SetSelectedFileForTesting(const base::FilePath & path)650 void PrintPreviewUI::SetSelectedFileForTesting(const base::FilePath& path) {
651 handler_->FileSelected(path, 0, NULL);
652 }
653
SetPdfSavedClosureForTesting(const base::Closure & closure)654 void PrintPreviewUI::SetPdfSavedClosureForTesting(
655 const base::Closure& closure) {
656 handler_->SetPdfSavedClosureForTesting(closure);
657 }
658
