#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
-#if defined(ENABLE_FULL_PRINTING)
-#include "chrome/browser/ui/webui/print_preview/print_preview_ui.h"
-#endif
-
-#if defined(OS_CHROMEOS)
-#include <fcntl.h>
-
-#include <map>
-
-#include "base/file_util.h"
-#include "base/lazy_instance.h"
-#include "chrome/browser/printing/print_dialog_cloud.h"
-#endif
-
-#if defined(OS_ANDROID)
-#include "base/strings/string_number_conversions.h"
-#include "chrome/browser/printing/print_view_manager_basic.h"
-#include "printing/printing_context_android.h"
-#endif
-
using content::BrowserThread;
namespace {
params->selection_only = settings.selection_only();
params->supports_alpha_blend = settings.supports_alpha_blend();
params->should_print_backgrounds = settings.should_print_backgrounds();
- params->display_header_footer = settings.display_header_footer();
params->title = settings.title();
params->url = settings.url();
}
#if defined(OS_WIN)
IPC_MESSAGE_HANDLER(PrintHostMsg_DuplicateSection, OnDuplicateSection)
#endif
-#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
- IPC_MESSAGE_HANDLER(PrintHostMsg_AllocateTempFileForPrinting,
- OnAllocateTempFileForPrinting)
- IPC_MESSAGE_HANDLER(PrintHostMsg_TempFileForPrintingWritten,
- OnTempFileForPrintingWritten)
-#endif
IPC_MESSAGE_HANDLER(PrintHostMsg_IsPrintingEnabled, OnIsPrintingEnabled)
IPC_MESSAGE_HANDLER_DELAY_REPLY(PrintHostMsg_GetDefaultPrintSettings,
OnGetDefaultPrintSettings)
IPC_MESSAGE_HANDLER_DELAY_REPLY(PrintHostMsg_ScriptedPrint, OnScriptedPrint)
IPC_MESSAGE_HANDLER_DELAY_REPLY(PrintHostMsg_UpdatePrintSettings,
OnUpdatePrintSettings)
-#if defined(ENABLE_FULL_PRINTING)
- IPC_MESSAGE_HANDLER(PrintHostMsg_CheckForCancel, OnCheckForCancel)
-#endif
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
#endif
-#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
-void PrintingMessageFilter::OnAllocateTempFileForPrinting(
- int render_view_id,
- base::FileDescriptor* temp_file_fd,
- int* sequence_number) {
-#if defined(OS_CHROMEOS)
- // TODO(thestig): Use |render_view_id| for Chrome OS.
- DCHECK_CURRENTLY_ON(BrowserThread::FILE);
- temp_file_fd->fd = *sequence_number = -1;
- temp_file_fd->auto_close = false;
-
- SequenceToPathMap* map = &g_printing_file_descriptor_map.Get().map;
- *sequence_number = g_printing_file_descriptor_map.Get().sequence++;
-
- base::FilePath path;
- if (base::CreateTemporaryFile(&path)) {
- int fd = open(path.value().c_str(), O_WRONLY);
- if (fd >= 0) {
- SequenceToPathMap::iterator it = map->find(*sequence_number);
- if (it != map->end()) {
- NOTREACHED() << "Sequence number already in use. seq=" <<
- *sequence_number;
- } else {
- (*map)[*sequence_number] = path;
- temp_file_fd->fd = fd;
- temp_file_fd->auto_close = true;
- }
- }
- }
-#elif defined(OS_ANDROID)
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- content::WebContents* wc = GetWebContentsForRenderView(render_view_id);
- if (!wc)
- return;
- printing::PrintViewManagerBasic* print_view_manager =
- printing::PrintViewManagerBasic::FromWebContents(wc);
- // The file descriptor is originally created in & passed from the Android
- // side, and it will handle the closing.
- const base::FileDescriptor& file_descriptor =
- print_view_manager->file_descriptor();
- temp_file_fd->fd = file_descriptor.fd;
- temp_file_fd->auto_close = false;
-#endif
-}
-
-void PrintingMessageFilter::OnTempFileForPrintingWritten(int render_view_id,
- int sequence_number) {
-#if defined(OS_CHROMEOS)
- DCHECK_CURRENTLY_ON(BrowserThread::FILE);
- SequenceToPathMap* map = &g_printing_file_descriptor_map.Get().map;
- SequenceToPathMap::iterator it = map->find(sequence_number);
- if (it == map->end()) {
- NOTREACHED() << "Got a sequence that we didn't pass to the "
- "renderer: " << sequence_number;
- return;
- }
- BrowserThread::PostTask(
- BrowserThread::UI, FROM_HERE,
- base::Bind(&PrintingMessageFilter::CreatePrintDialogForFile,
- this, render_view_id, it->second));
-
- // Erase the entry in the map.
- map->erase(it);
-#elif defined(OS_ANDROID)
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- content::WebContents* wc = GetWebContentsForRenderView(render_view_id);
- if (!wc)
- return;
- printing::PrintViewManagerBasic* print_view_manager =
- printing::PrintViewManagerBasic::FromWebContents(wc);
- const base::FileDescriptor& file_descriptor =
- print_view_manager->file_descriptor();
- printing::PrintingContextAndroid::PdfWritingDone(file_descriptor.fd, true);
- // Invalidate the file descriptor so it doesn't accidentally get reused.
- print_view_manager->set_file_descriptor(base::FileDescriptor(-1, false));
-#endif
-}
-#endif // defined(OS_CHROMEOS) || defined(OS_ANDROID)
-
-#if defined(OS_CHROMEOS)
-void PrintingMessageFilter::CreatePrintDialogForFile(
- int render_view_id,
- const base::FilePath& path) {
- content::WebContents* wc = GetWebContentsForRenderView(render_view_id);
- if (!wc)
- return;
- print_dialog_cloud::CreatePrintDialogForFile(
- wc->GetBrowserContext(),
- wc->GetTopLevelNativeWindow(),
- path,
- wc->GetTitle(),
- base::string16(),
- std::string("application/pdf"));
-}
-#endif // defined(OS_CHROMEOS)
-
content::WebContents* PrintingMessageFilter::GetWebContentsForRenderView(
int render_view_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
}
}
-#if defined(OS_ANDROID)
-void PrintingMessageFilter::UpdateFileDescriptor(int render_view_id, int fd) {
- DCHECK_CURRENTLY_ON(BrowserThread::UI);
- content::WebContents* wc = GetWebContentsForRenderView(render_view_id);
- if (!wc)
- return;
- printing::PrintViewManagerBasic* print_view_manager =
- printing::PrintViewManagerBasic::FromWebContents(wc);
- print_view_manager->set_file_descriptor(base::FileDescriptor(fd, false));
-}
-#endif
-
void PrintingMessageFilter::OnUpdatePrintSettings(
int document_cookie, const base::DictionaryValue& job_settings,
IPC::Message* reply_msg) {
}
}
}
-
-#if defined(ENABLE_FULL_PRINTING)
-void PrintingMessageFilter::OnCheckForCancel(int32 preview_ui_id,
- int preview_request_id,
- bool* cancel) {
- PrintPreviewUI::GetCurrentPrintPreviewStatus(preview_ui_id,
- preview_request_id,
- cancel);
-}
-#endif
base::SharedMemoryHandle* browser_handle);
#endif
-#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
- // Used to ask the browser allocate a temporary file for the renderer
- // to fill in resulting PDF in renderer.
- void OnAllocateTempFileForPrinting(int render_view_id,
- base::FileDescriptor* temp_file_fd,
- int* sequence_number);
- void OnTempFileForPrintingWritten(int render_view_id, int sequence_number);
-#endif
-
-#if defined(OS_CHROMEOS)
- void CreatePrintDialogForFile(int render_view_id, const base::FilePath& path);
-#endif
-
-#if defined(OS_ANDROID)
- // Updates the file descriptor for the PrintViewManagerBasic of a given
- // render_view_id.
- void UpdateFileDescriptor(int render_view_id, int fd);
-#endif
-
// Given a render_view_id get the corresponding WebContents.
// Must be called on the UI thread.
content::WebContents* GetWebContentsForRenderView(int render_view_id);
scoped_refptr<printing::PrinterQuery> printer_query,
IPC::Message* reply_msg);
-#if defined(ENABLE_FULL_PRINTING)
- // Check to see if print preview has been cancelled.
- void OnCheckForCancel(int32 preview_ui_id,
- int preview_request_id,
- bool* cancel);
-#endif
-
- // ProfileIOData* profile_io_data_;
-
const int render_process_id_;
scoped_refptr<printing::PrintQueriesQueue> queue_;
document_cookie(0),
selection_only(false),
supports_alpha_blend(false),
- preview_ui_id(-1),
- preview_request_id(0),
- is_first_request(false),
print_scaling_option(blink::WebPrintScalingOptionSourceSize),
print_to_pdf(false),
- display_header_footer(false),
title(),
url(),
should_print_backgrounds(false) {
document_cookie = 0;
selection_only = false;
supports_alpha_blend = false;
- preview_ui_id = -1;
- preview_request_id = 0;
- is_first_request = false;
print_scaling_option = blink::WebPrintScalingOptionSourceSize;
print_to_pdf = false;
- display_header_footer = false;
title = base::string16();
url = base::string16();
should_print_backgrounds = false;
params.Reset();
pages = std::vector<int>();
}
-
-PrintHostMsg_RequestPrintPreview_Params::
- PrintHostMsg_RequestPrintPreview_Params()
- : is_modifiable(false),
- webnode_only(false),
- has_selection(false),
- selection_only(false) {
-}
-
-PrintHostMsg_RequestPrintPreview_Params::
- ~PrintHostMsg_RequestPrintPreview_Params() {}
int document_cookie;
bool selection_only;
bool supports_alpha_blend;
- int32 preview_ui_id;
- int preview_request_id;
- bool is_first_request;
blink::WebPrintScalingOption print_scaling_option;
bool print_to_pdf;
- bool display_header_footer;
base::string16 title;
base::string16 url;
bool should_print_backgrounds;
std::vector<int> pages;
};
-struct PrintHostMsg_RequestPrintPreview_Params {
- PrintHostMsg_RequestPrintPreview_Params();
- ~PrintHostMsg_RequestPrintPreview_Params();
- bool is_modifiable;
- bool webnode_only;
- bool has_selection;
- bool selection_only;
-};
-
#endif // CHROME_COMMON_PRINT_MESSAGES_H_
#define IPC_MESSAGE_START PrintMsgStart
// Does the printer support alpha blending?
IPC_STRUCT_TRAITS_MEMBER(supports_alpha_blend)
- // *** Parameters below are used only for print preview. ***
-
- // The print preview ui associated with this request.
- IPC_STRUCT_TRAITS_MEMBER(preview_ui_id)
-
- // The id of the preview request.
- IPC_STRUCT_TRAITS_MEMBER(preview_request_id)
-
- // True if this is the first preview request.
- IPC_STRUCT_TRAITS_MEMBER(is_first_request)
-
// Specifies the page scaling option for preview printing.
IPC_STRUCT_TRAITS_MEMBER(print_scaling_option)
// True if print to pdf is requested.
IPC_STRUCT_TRAITS_MEMBER(print_to_pdf)
- // Specifies if the header and footer should be rendered.
- IPC_STRUCT_TRAITS_MEMBER(display_header_footer)
-
// Title string to be printed as header if requested by the user.
IPC_STRUCT_TRAITS_MEMBER(title)
IPC_STRUCT_MEMBER(int, page_number)
IPC_STRUCT_END()
-IPC_STRUCT_TRAITS_BEGIN(PrintHostMsg_RequestPrintPreview_Params)
- IPC_STRUCT_TRAITS_MEMBER(is_modifiable)
- IPC_STRUCT_TRAITS_MEMBER(webnode_only)
- IPC_STRUCT_TRAITS_MEMBER(has_selection)
- IPC_STRUCT_TRAITS_MEMBER(selection_only)
-IPC_STRUCT_TRAITS_END()
-
IPC_STRUCT_TRAITS_BEGIN(printing::PageSizeMargins)
IPC_STRUCT_TRAITS_MEMBER(content_width)
IPC_STRUCT_TRAITS_MEMBER(content_height)
IPC_STRUCT_TRAITS_MEMBER(pages)
IPC_STRUCT_TRAITS_END()
-// Parameters to describe a rendered document.
-IPC_STRUCT_BEGIN(PrintHostMsg_DidPreviewDocument_Params)
- // A shared memory handle to metafile data.
- IPC_STRUCT_MEMBER(base::SharedMemoryHandle, metafile_data_handle)
-
- // Size of metafile data.
- IPC_STRUCT_MEMBER(uint32, data_size)
-
- // Cookie for the document to ensure correctness.
- IPC_STRUCT_MEMBER(int, document_cookie)
-
- // Store the expected pages count.
- IPC_STRUCT_MEMBER(int, expected_pages_count)
-
- // Whether the preview can be modified.
- IPC_STRUCT_MEMBER(bool, modifiable)
-
- // The id of the preview request.
- IPC_STRUCT_MEMBER(int, preview_request_id)
-IPC_STRUCT_END()
-
-// Parameters to describe a rendered preview page.
-IPC_STRUCT_BEGIN(PrintHostMsg_DidPreviewPage_Params)
- // A shared memory handle to metafile data for a draft document of the page.
- IPC_STRUCT_MEMBER(base::SharedMemoryHandle, metafile_data_handle)
-
- // Size of metafile data.
- IPC_STRUCT_MEMBER(uint32, data_size)
-
- // |page_number| is zero-based and can be |printing::INVALID_PAGE_INDEX| if it
- // is just a check.
- IPC_STRUCT_MEMBER(int, page_number)
-
- // The id of the preview request.
- IPC_STRUCT_MEMBER(int, preview_request_id)
-IPC_STRUCT_END()
-
-// Parameters sent along with the page count.
-IPC_STRUCT_BEGIN(PrintHostMsg_DidGetPreviewPageCount_Params)
- // Cookie for the document to ensure correctness.
- IPC_STRUCT_MEMBER(int, document_cookie)
-
- // Total page count.
- IPC_STRUCT_MEMBER(int, page_count)
-
- // Indicates whether the previewed document is modifiable.
- IPC_STRUCT_MEMBER(bool, is_modifiable)
-
- // The id of the preview request.
- IPC_STRUCT_MEMBER(int, preview_request_id)
-
- // Indicates whether the existing preview data needs to be cleared or not.
- IPC_STRUCT_MEMBER(bool, clear_preview_data)
-IPC_STRUCT_END()
-
// Parameters to describe a rendered page.
IPC_STRUCT_BEGIN(PrintHostMsg_DidPrintPage_Params)
// A shared memory handle to the EMF data. This data can be quite large so a
// Messages sent from the browser to the renderer.
-// Tells the render view to initiate print preview for the entire document.
-IPC_MESSAGE_ROUTED1(PrintMsg_InitiatePrintPreview, bool /* selection_only */)
-
// Tells the render frame to initiate printing or print preview for a particular
// node, depending on which mode the render frame is in.
IPC_MESSAGE_ROUTED0(PrintMsg_PrintNodeUnderContextMenu)
-// Tells the renderer to print the print preview tab's PDF plugin without
-// showing the print dialog. (This is the final step in the print preview
-// workflow.)
-IPC_MESSAGE_ROUTED1(PrintMsg_PrintForPrintPreview,
- base::DictionaryValue /* settings */)
-
// Tells the render view to switch the CSS to print media type, renders every
// requested pages and switch back the CSS to display media type.
IPC_MESSAGE_ROUTED0(PrintMsg_PrintPages)
IPC_MESSAGE_ROUTED1(PrintMsg_PrintingDone,
bool /* success */)
-// Tells the render view to switch the CSS to print media type, renders every
-// requested pages for print preview using the given |settings|. This gets
-// called multiple times as the user updates settings.
-IPC_MESSAGE_ROUTED1(PrintMsg_PrintPreview,
- base::DictionaryValue /* settings */)
-
-// Like PrintMsg_PrintPages, but using the print preview document's frame/node.
-IPC_MESSAGE_ROUTED0(PrintMsg_PrintForSystemDialog)
-
// Messages sent from the renderer to the browser.
#if defined(OS_WIN)
int /* fd in browser */) // Used only by Chrome OS.
#endif
-// Asks the browser to do print preview.
-IPC_MESSAGE_ROUTED1(PrintHostMsg_RequestPrintPreview,
- PrintHostMsg_RequestPrintPreview_Params /* params */)
-
-// Notify the browser the number of pages in the print preview document.
-IPC_MESSAGE_ROUTED1(PrintHostMsg_DidGetPreviewPageCount,
- PrintHostMsg_DidGetPreviewPageCount_Params /* params */)
-
// Notify the browser of the default page layout according to the currently
// selected printer and page size.
// |printable_area_in_points| Specifies the printable area in points.
gfx::Rect /* printable area in points */,
bool /* has custom page size style */)
-// Notify the browser a print preview page has been rendered.
-IPC_MESSAGE_ROUTED1(PrintHostMsg_DidPreviewPage,
- PrintHostMsg_DidPreviewPage_Params /* params */)
-
-// Asks the browser whether the print preview has been cancelled.
-IPC_SYNC_MESSAGE_ROUTED2_1(PrintHostMsg_CheckForCancel,
- int32 /* PrintPreviewUI ID */,
- int /* request id */,
- bool /* print preview cancelled */)
-
// This is sent when there are invalid printer settings.
IPC_MESSAGE_ROUTED0(PrintHostMsg_ShowInvalidPrinterSettingsError)
-// Sends back to the browser the complete rendered document (non-draft mode,
-// used for printing) that was requested by a PrintMsg_PrintPreview message.
-// The memory handle in this message is already valid in the browser process.
-IPC_MESSAGE_ROUTED1(PrintHostMsg_MetafileReadyForPrinting,
- PrintHostMsg_DidPreviewDocument_Params /* params */)
-
// Tell the browser printing failed.
IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintingFailed,
int /* document cookie */)
-
-// Tell the browser print preview failed.
-IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintPreviewFailed,
- int /* document cookie */)
-
-// Tell the browser print preview was cancelled.
-IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintPreviewCancelled,
- int /* document cookie */)
-
-// Tell the browser print preview found the selected printer has invalid
-// settings (which typically caused by disconnected network printer or printer
-// driver is bogus).
-IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintPreviewInvalidPrinterSettings,
- int /* document cookie */)
-
-// Run a nested message loop in the renderer until print preview for
-// window.print() finishes.
-IPC_SYNC_MESSAGE_ROUTED0_0(PrintHostMsg_SetupScriptedPrintPreview)
-
-// Tell the browser to show the print preview, when the document is sufficiently
-// loaded such that the renderer can determine whether it is modifiable or not.
-IPC_MESSAGE_ROUTED1(PrintHostMsg_ShowScriptedPrintPreview,
- bool /* is_modifiable */)
-
-// Notify the browser that the PDF in the initiator renderer has disabled print
-// scaling option.
-IPC_MESSAGE_ROUTED0(PrintHostMsg_PrintPreviewScalingDisabled)
namespace {
-enum PrintPreviewHelperEvents {
- PREVIEW_EVENT_REQUESTED,
- PREVIEW_EVENT_CACHE_HIT, // Unused
- PREVIEW_EVENT_CREATE_DOCUMENT,
- PREVIEW_EVENT_NEW_SETTINGS, // Unused
- PREVIEW_EVENT_MAX,
-};
-
const double kMinDpi = 1.0;
const char kPageLoadScriptFormat[] =
return plugin && plugin->supportsPaginatedPrint();
}
-bool PrintingFrameHasPageSizeStyle(blink::WebFrame* frame,
- int total_page_count) {
- if (!frame)
- return false;
- bool frame_has_custom_page_size_style = false;
- for (int i = 0; i < total_page_count; ++i) {
- if (frame->hasCustomPageSizeStyle(i)) {
- frame_has_custom_page_size_style = true;
- break;
- }
- }
- return frame_has_custom_page_size_style;
-}
-
MarginType GetMarginsForPdf(blink::WebFrame* frame,
const blink::WebNode& node) {
if (frame->isPrintScalingDisabledForPlugin(node))
return PRINTABLE_AREA_MARGINS;
}
-bool FitToPageEnabled(const base::DictionaryValue& job_settings) {
- bool fit_to_paper_size = false;
- if (!job_settings.GetBoolean(kSettingFitToPageEnabled, &fit_to_paper_size)) {
- NOTREACHED();
- }
- return fit_to_paper_size;
-}
-
-// Returns the print scaling option to retain/scale/crop the source page size
-// to fit the printable area of the paper.
-//
-// We retain the source page size when the current destination printer is
-// SAVE_AS_PDF.
-//
-// We crop the source page size to fit the printable area or we print only the
-// left top page contents when
-// (1) Source is PDF and the user has requested not to fit to printable area
-// via |job_settings|.
-// (2) Source is PDF. This is the first preview request and print scaling
-// option is disabled for initiator renderer plugin.
-//
-// In all other cases, we scale the source page to fit the printable area.
-blink::WebPrintScalingOption GetPrintScalingOption(
- blink::WebFrame* frame,
- const blink::WebNode& node,
- bool source_is_html,
- const base::DictionaryValue& job_settings,
- const PrintMsg_Print_Params& params) {
- if (params.print_to_pdf)
- return blink::WebPrintScalingOptionSourceSize;
-
- if (!source_is_html) {
- if (!FitToPageEnabled(job_settings))
- return blink::WebPrintScalingOptionNone;
-
- bool no_plugin_scaling = frame->isPrintScalingDisabledForPlugin(node);
-
- if (params.is_first_request && no_plugin_scaling)
- return blink::WebPrintScalingOptionNone;
- }
- return blink::WebPrintScalingOptionFitToPrintableArea;
-}
-
PrintMsg_Print_Params CalculatePrintParamsForCss(
blink::WebFrame* frame,
int page_index,
return result_params;
}
-bool IsPrintPreviewEnabled() {
- return false;
-}
-
} // namespace
FrameReference::FrameReference(blink::WebLocalFrame* frame) {
: content::RenderViewObserver(render_view),
content::RenderViewObserverTracker<PrintWebViewHelper>(render_view),
reset_prep_frame_view_(false),
- is_preview_enabled_(IsPrintPreviewEnabled()),
is_print_ready_metafile_sent_(false),
ignore_css_margins_(false),
notify_browser_of_print_failure_(true),
- print_for_preview_(false),
print_node_in_progress_(false),
is_loading_(false),
- is_scripted_preview_delayed_(false),
weak_ptr_factory_(this) {
}
void PrintWebViewHelper::DidStopLoading() {
is_loading_ = false;
- ShowScriptedPrintPreview();
}
// Prints |frame| which called window.print().
void PrintWebViewHelper::PrintPage(blink::WebLocalFrame* frame,
bool user_initiated) {
DCHECK(frame);
-
- if (is_preview_enabled_) {
- print_preview_context_.InitWithFrame(frame);
- RequestPrintPreview(PRINT_PREVIEW_SCRIPTED);
- } else {
- Print(frame, blink::WebNode());
- }
+ Print(frame, blink::WebNode());
}
bool PrintWebViewHelper::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PrintWebViewHelper, message)
IPC_MESSAGE_HANDLER(PrintMsg_PrintPages, OnPrintPages)
- IPC_MESSAGE_HANDLER(PrintMsg_PrintForSystemDialog, OnPrintForSystemDialog)
- IPC_MESSAGE_HANDLER(PrintMsg_InitiatePrintPreview, OnInitiatePrintPreview)
- IPC_MESSAGE_HANDLER(PrintMsg_PrintPreview, OnPrintPreview)
- IPC_MESSAGE_HANDLER(PrintMsg_PrintForPrintPreview, OnPrintForPrintPreview)
IPC_MESSAGE_HANDLER(PrintMsg_PrintingDone, OnPrintingDone)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
-void PrintWebViewHelper::OnPrintForPrintPreview(
- const base::DictionaryValue& job_settings) {
- DCHECK(is_preview_enabled_);
- // If still not finished with earlier print request simply ignore.
- if (prep_frame_view_)
- return;
-
- if (!render_view()->GetWebView())
- return;
- blink::WebFrame* main_frame = render_view()->GetWebView()->mainFrame();
- if (!main_frame)
- return;
-
- blink::WebDocument document = main_frame->document();
- // <object>/<iframe> with id="pdf-viewer" is created in
- // chrome/browser/resources/print_preview/print_preview.js
- blink::WebElement pdf_element = document.getElementById("pdf-viewer");
- if (pdf_element.isNull()) {
- NOTREACHED();
- return;
- }
-
- // The out-of-process plugin element is nested within a frame.
- blink::WebLocalFrame* plugin_frame = pdf_element.document().frame();
- blink::WebElement plugin_element = pdf_element;
-
- // Set |print_for_preview_| flag and autoreset it to back to original
- // on return.
- base::AutoReset<bool> set_printing_flag(&print_for_preview_, true);
-
- if (!UpdatePrintSettings(plugin_frame, plugin_element, job_settings)) {
- LOG(ERROR) << "UpdatePrintSettings failed";
- DidFinishPrinting(FAIL_PRINT);
- return;
- }
-
- // Print page onto entire page not just printable area. Preview PDF already
- // has content in correct position taking into account page size and printable
- // area.
- // TODO(vitalybuka) : Make this consistent on all platform. This change
- // affects Windows only. On Linux and OSX RenderPagesForPrint does not use
- // printable_area. Also we can't change printable_area deeper inside
- // RenderPagesForPrint for Windows, because it's used also by native
- // printing and it expects real printable_area value.
- // See http://crbug.com/123408
- PrintMsg_Print_Params& print_params = print_pages_params_->params;
- print_params.printable_area = gfx::Rect(print_params.page_size);
-
- // Render Pages for printing.
- if (!RenderPagesForPrint(plugin_frame, plugin_element)) {
- LOG(ERROR) << "RenderPagesForPrint failed";
- DidFinishPrinting(FAIL_PRINT);
- }
-}
-
bool PrintWebViewHelper::GetPrintFrame(blink::WebLocalFrame** frame) {
DCHECK(frame);
blink::WebView* webView = render_view()->GetWebView();
Print(frame, blink::WebNode());
}
-void PrintWebViewHelper::OnPrintForSystemDialog() {
- blink::WebLocalFrame* frame = print_preview_context_.source_frame();
- if (!frame) {
- NOTREACHED();
- return;
- }
-
- Print(frame, print_preview_context_.source_node());
-}
-
void PrintWebViewHelper::GetPageSizeAndContentAreaFromPageLayout(
const PageSizeMargins& page_layout_in_points,
gfx::Size* page_size,
return print_to_pdf;
}
-void PrintWebViewHelper::OnPrintPreview(const base::DictionaryValue& settings) {
- DCHECK(is_preview_enabled_);
- print_preview_context_.OnPrintPreview();
-
- UMA_HISTOGRAM_ENUMERATION("PrintPreview.PreviewEvent",
- PREVIEW_EVENT_REQUESTED, PREVIEW_EVENT_MAX);
-
- if (!print_preview_context_.source_frame()) {
- DidFinishPrinting(FAIL_PREVIEW);
- return;
- }
-
- if (!UpdatePrintSettings(print_preview_context_.source_frame(),
- print_preview_context_.source_node(), settings)) {
- if (print_preview_context_.last_error() != PREVIEW_ERROR_BAD_SETTING) {
- Send(new PrintHostMsg_PrintPreviewInvalidPrinterSettings(
- routing_id(),
- print_pages_params_.get()
- ? print_pages_params_->params.document_cookie
- : 0));
- notify_browser_of_print_failure_ = false; // Already sent.
- }
- DidFinishPrinting(FAIL_PREVIEW);
- return;
- }
-
- // If we are previewing a pdf and the print scaling is disabled, send a
- // message to browser.
- if (print_pages_params_->params.is_first_request &&
- !print_preview_context_.IsModifiable() &&
- print_preview_context_.source_frame()->isPrintScalingDisabledForPlugin(
- print_preview_context_.source_node())) {
- Send(new PrintHostMsg_PrintPreviewScalingDisabled(routing_id()));
- }
-
- is_print_ready_metafile_sent_ = false;
-
- // PDF printer device supports alpha blending.
- print_pages_params_->params.supports_alpha_blend = true;
-
- bool generate_draft_pages = false;
- if (!settings.GetBoolean(kSettingGenerateDraftData,
- &generate_draft_pages)) {
- NOTREACHED();
- }
- print_preview_context_.set_generate_draft_pages(generate_draft_pages);
-
- PrepareFrameForPreviewDocument();
-}
-
-void PrintWebViewHelper::PrepareFrameForPreviewDocument() {
- reset_prep_frame_view_ = false;
-
- if (!print_pages_params_ || CheckForCancel()) {
- DidFinishPrinting(FAIL_PREVIEW);
- return;
- }
-
- // Don't reset loading frame or WebKit will fail assert. Just retry when
- // current selection is loaded.
- if (prep_frame_view_ && prep_frame_view_->IsLoadingSelection()) {
- reset_prep_frame_view_ = true;
- return;
- }
-
- const PrintMsg_Print_Params& print_params = print_pages_params_->params;
- prep_frame_view_.reset(
- new PrepareFrameAndViewForPrint(print_params,
- print_preview_context_.source_frame(),
- print_preview_context_.source_node(),
- ignore_css_margins_));
- prep_frame_view_->CopySelectionIfNeeded(
- render_view()->GetWebkitPreferences(),
- base::Bind(&PrintWebViewHelper::OnFramePreparedForPreviewDocument,
- base::Unretained(this)));
-}
-
-void PrintWebViewHelper::OnFramePreparedForPreviewDocument() {
- if (reset_prep_frame_view_) {
- PrepareFrameForPreviewDocument();
- return;
- }
- DidFinishPrinting(CreatePreviewDocument() ? OK : FAIL_PREVIEW);
-}
-
-bool PrintWebViewHelper::CreatePreviewDocument() {
- if (!print_pages_params_ || CheckForCancel())
- return false;
-
- UMA_HISTOGRAM_ENUMERATION("PrintPreview.PreviewEvent",
- PREVIEW_EVENT_CREATE_DOCUMENT, PREVIEW_EVENT_MAX);
-
- const PrintMsg_Print_Params& print_params = print_pages_params_->params;
- const std::vector<int>& pages = print_pages_params_->pages;
-
- if (!print_preview_context_.CreatePreviewDocument(prep_frame_view_.release(),
- pages)) {
- return false;
- }
-
- PageSizeMargins default_page_layout;
- ComputePageLayoutInPointsForCss(print_preview_context_.prepared_frame(), 0,
- print_params, ignore_css_margins_, NULL,
- &default_page_layout);
-
- bool has_page_size_style = PrintingFrameHasPageSizeStyle(
- print_preview_context_.prepared_frame(),
- print_preview_context_.total_page_count());
- int dpi = GetDPI(&print_params);
-
- gfx::Rect printable_area_in_points(
- ConvertUnit(print_params.printable_area.x(), dpi, kPointsPerInch),
- ConvertUnit(print_params.printable_area.y(), dpi, kPointsPerInch),
- ConvertUnit(print_params.printable_area.width(), dpi, kPointsPerInch),
- ConvertUnit(print_params.printable_area.height(), dpi, kPointsPerInch));
-
- // Margins: Send default page layout to browser process.
- Send(new PrintHostMsg_DidGetDefaultPageLayout(routing_id(),
- default_page_layout,
- printable_area_in_points,
- has_page_size_style));
-
- PrintHostMsg_DidGetPreviewPageCount_Params params;
- params.page_count = print_preview_context_.total_page_count();
- params.is_modifiable = print_preview_context_.IsModifiable();
- params.document_cookie = print_params.document_cookie;
- params.preview_request_id = print_params.preview_request_id;
- params.clear_preview_data = print_preview_context_.generate_draft_pages();
- Send(new PrintHostMsg_DidGetPreviewPageCount(routing_id(), params));
- if (CheckForCancel())
- return false;
-
- while (!print_preview_context_.IsFinalPageRendered()) {
- int page_number = print_preview_context_.GetNextPageNumber();
- DCHECK_GE(page_number, 0);
- if (!RenderPreviewPage(page_number, print_params))
- return false;
-
- if (CheckForCancel())
- return false;
-
- // We must call PrepareFrameAndViewForPrint::FinishPrinting() (by way of
- // print_preview_context_.AllPagesRendered()) before calling
- // FinalizePrintReadyDocument() when printing a PDF because the plugin
- // code does not generate output until we call FinishPrinting(). We do not
- // generate draft pages for PDFs, so IsFinalPageRendered() and
- // IsLastPageOfPrintReadyMetafile() will be true in the same iteration of
- // the loop.
- if (print_preview_context_.IsFinalPageRendered())
- print_preview_context_.AllPagesRendered();
-
- if (print_preview_context_.IsLastPageOfPrintReadyMetafile()) {
- DCHECK(print_preview_context_.IsModifiable() ||
- print_preview_context_.IsFinalPageRendered());
- if (!FinalizePrintReadyDocument())
- return false;
- }
- }
- print_preview_context_.Finished();
- return true;
-}
-
-bool PrintWebViewHelper::FinalizePrintReadyDocument() {
- DCHECK(!is_print_ready_metafile_sent_);
- print_preview_context_.FinalizePrintReadyDocument();
-
- // Get the size of the resulting metafile.
- PreviewMetafile* metafile = print_preview_context_.metafile();
- uint32 buf_size = metafile->GetDataSize();
- DCHECK_GT(buf_size, 0u);
-
- PrintHostMsg_DidPreviewDocument_Params preview_params;
- preview_params.data_size = buf_size;
- preview_params.document_cookie = print_pages_params_->params.document_cookie;
- preview_params.expected_pages_count =
- print_preview_context_.total_page_count();
- preview_params.modifiable = print_preview_context_.IsModifiable();
- preview_params.preview_request_id =
- print_pages_params_->params.preview_request_id;
-
- // Ask the browser to create the shared memory for us.
- if (!CopyMetafileDataToSharedMem(metafile,
- &(preview_params.metafile_data_handle))) {
- LOG(ERROR) << "CopyMetafileDataToSharedMem failed";
- print_preview_context_.set_error(PREVIEW_ERROR_METAFILE_COPY_FAILED);
- return false;
- }
- is_print_ready_metafile_sent_ = true;
-
- Send(new PrintHostMsg_MetafileReadyForPrinting(routing_id(), preview_params));
- return true;
-}
-
void PrintWebViewHelper::OnPrintingDone(bool success) {
notify_browser_of_print_failure_ = false;
if (!success)
DidFinishPrinting(success ? OK : FAIL_PRINT);
}
-void PrintWebViewHelper::OnInitiatePrintPreview(bool selection_only) {
- DCHECK(is_preview_enabled_);
- blink::WebLocalFrame* frame = NULL;
- GetPrintFrame(&frame);
- DCHECK(frame);
- print_preview_context_.InitWithFrame(frame);
- RequestPrintPreview(selection_only ?
- PRINT_PREVIEW_USER_INITIATED_SELECTION :
- PRINT_PREVIEW_USER_INITIATED_ENTIRE_FRAME);
-}
-
bool PrintWebViewHelper::IsPrintingEnabled() {
bool result = false;
Send(new PrintHostMsg_IsPrintingEnabled(routing_id(), &result));
// Make a copy of the node, in case RenderView::OnContextMenuClosed resets
// its |context_menu_node_|.
- if (is_preview_enabled_) {
- print_preview_context_.InitWithNode(node);
- RequestPrintPreview(PRINT_PREVIEW_USER_INITIATED_CONTEXT_NODE);
- } else {
- blink::WebNode duplicate_node(node);
- Print(duplicate_node.document().frame(), duplicate_node);
- }
+ blink::WebNode duplicate_node(node);
+ Print(duplicate_node.document().frame(), duplicate_node);
print_node_in_progress_ = false;
}
Send(new PrintHostMsg_PrintingFailed(routing_id(), cookie));
}
break;
-
- case FAIL_PREVIEW:
- DCHECK(is_preview_enabled_);
- int cookie = print_pages_params_.get() ?
- print_pages_params_->params.document_cookie : 0;
- if (notify_browser_of_print_failure_) {
- LOG(ERROR) << "CreatePreviewDocument failed";
- Send(new PrintHostMsg_PrintPreviewFailed(routing_id(), cookie));
- } else {
- Send(new PrintHostMsg_PrintPreviewCancelled(routing_id(), cookie));
- }
- print_preview_context_.Failed(notify_browser_of_print_failure_);
- break;
}
prep_frame_view_.reset();
print_pages_params_.reset();
page_count));
#endif // !defined(OS_CHROMEOS)
- if (print_params.preview_ui_id < 0) {
- // Printing for system dialog.
- int printed_count = params.pages.empty() ? page_count : params.pages.size();
-#if !defined(OS_CHROMEOS)
- UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.SystemDialog", printed_count);
-#else
- UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.PrintToCloudPrintWebDialog",
- printed_count);
-#endif // !defined(OS_CHROMEOS)
- }
-
-
if (!PrintPagesNative(prep_frame_view_->frame(), page_count,
prep_frame_view_->GetPrintCanvasSize())) {
LOG(ERROR) << "Printing failed.";
return true;
}
-bool PrintWebViewHelper::UpdatePrintSettings(
- blink::WebLocalFrame* frame,
- const blink::WebNode& node,
- const base::DictionaryValue& passed_job_settings) {
- DCHECK(is_preview_enabled_);
- const base::DictionaryValue* job_settings = &passed_job_settings;
- base::DictionaryValue modified_job_settings;
- if (job_settings->empty()) {
- if (!print_for_preview_)
- print_preview_context_.set_error(PREVIEW_ERROR_BAD_SETTING);
- return false;
- }
-
- bool source_is_html = true;
- if (print_for_preview_) {
- if (!job_settings->GetBoolean(kSettingPreviewModifiable, &source_is_html)) {
- NOTREACHED();
- }
- } else {
- source_is_html = !PrintingNodeOrPdfFrame(frame, node);
- }
-
- if (print_for_preview_ || !source_is_html) {
- modified_job_settings.MergeDictionary(job_settings);
- modified_job_settings.SetBoolean(kSettingHeaderFooterEnabled, false);
- modified_job_settings.SetInteger(kSettingMarginsType, NO_MARGINS);
- job_settings = &modified_job_settings;
- }
-
- // Send the cookie so that UpdatePrintSettings can reuse PrinterQuery when
- // possible.
- int cookie = print_pages_params_.get() ?
- print_pages_params_->params.document_cookie : 0;
- PrintMsg_PrintPages_Params settings;
- Send(new PrintHostMsg_UpdatePrintSettings(routing_id(), cookie, *job_settings,
- &settings));
- print_pages_params_.reset(new PrintMsg_PrintPages_Params(settings));
-
- if (!PrintMsg_Print_Params_IsValid(settings.params)) {
- if (!print_for_preview_)
- print_preview_context_.set_error(PREVIEW_ERROR_INVALID_PRINTER_SETTINGS);
- else
- Send(new PrintHostMsg_ShowInvalidPrinterSettingsError(routing_id()));
-
- return false;
- }
-
- if (settings.params.dpi < kMinDpi || !settings.params.document_cookie) {
- print_preview_context_.set_error(PREVIEW_ERROR_UPDATING_PRINT_SETTINGS);
- return false;
- }
-
- if (!job_settings->GetInteger(kPreviewUIID, &settings.params.preview_ui_id)) {
- NOTREACHED();
- print_preview_context_.set_error(PREVIEW_ERROR_BAD_SETTING);
- return false;
- }
-
- if (!print_for_preview_) {
- // Validate expected print preview settings.
- if (!job_settings->GetInteger(kPreviewRequestID,
- &settings.params.preview_request_id) ||
- !job_settings->GetBoolean(kIsFirstRequest,
- &settings.params.is_first_request)) {
- NOTREACHED();
- print_preview_context_.set_error(PREVIEW_ERROR_BAD_SETTING);
- return false;
- }
-
- settings.params.print_to_pdf = IsPrintToPdfRequested(*job_settings);
- UpdateFrameMarginsCssInfo(*job_settings);
- settings.params.print_scaling_option = GetPrintScalingOption(
- frame, node, source_is_html, *job_settings, settings.params);
-
- // Header/Footer: Set |header_footer_info_|.
- if (settings.params.display_header_footer) {
- header_footer_info_.reset(new base::DictionaryValue());
- header_footer_info_->SetDouble(kSettingHeaderFooterDate,
- base::Time::Now().ToJsTime());
- header_footer_info_->SetString(kSettingHeaderFooterURL,
- settings.params.url);
- header_footer_info_->SetString(kSettingHeaderFooterTitle,
- settings.params.title);
- }
- }
-
- print_pages_params_.reset(new PrintMsg_PrintPages_Params(settings));
- Send(new PrintHostMsg_DidGetDocumentCookie(routing_id(),
- settings.params.document_cookie));
-
- return true;
-}
-
bool PrintWebViewHelper::GetPrintSettingsFromUser(blink::WebFrame* frame,
const blink::WebNode& node,
int expected_pages_count) {
margin_type = GetMarginsForPdf(frame, node);
params.margin_type = margin_type;
- Send(new PrintHostMsg_DidShowPrintDialog(routing_id()));
-
// PrintHostMsg_ScriptedPrint will reset print_scaling_option, so we save the
// value before and restore it afterwards.
blink::WebPrintScalingOption scaling_option =
}
#endif // defined(OS_POSIX)
-void PrintWebViewHelper::ShowScriptedPrintPreview() {
- if (is_scripted_preview_delayed_) {
- is_scripted_preview_delayed_ = false;
- Send(new PrintHostMsg_ShowScriptedPrintPreview(routing_id(),
- print_preview_context_.IsModifiable()));
- }
-}
-
-void PrintWebViewHelper::RequestPrintPreview(PrintPreviewRequestType type) {
- const bool is_modifiable = print_preview_context_.IsModifiable();
- const bool has_selection = print_preview_context_.HasSelection();
- PrintHostMsg_RequestPrintPreview_Params params;
- params.is_modifiable = is_modifiable;
- params.has_selection = has_selection;
- switch (type) {
- case PRINT_PREVIEW_SCRIPTED: {
- // Shows scripted print preview in two stages.
- // 1. PrintHostMsg_SetupScriptedPrintPreview blocks this call and JS by
- // pumping messages here.
- // 2. PrintHostMsg_ShowScriptedPrintPreview shows preview once the
- // document has been loaded.
- is_scripted_preview_delayed_ = true;
- if (is_loading_ && GetPlugin(print_preview_context_.source_frame())) {
- // Wait for DidStopLoading. Plugins may not know the correct
- // |is_modifiable| value until they are fully loaded, which occurs when
- // DidStopLoading() is called. Defer showing the preview until then.
- } else {
- // TODO(japhet): This delay is a terrible hack. See crbug.com/376969
- // for the motivation.
- base::MessageLoop::current()->PostDelayedTask(
- FROM_HERE,
- base::Bind(&PrintWebViewHelper::ShowScriptedPrintPreview,
- weak_ptr_factory_.GetWeakPtr()),
- base::TimeDelta::FromMilliseconds(100));
- }
- IPC::SyncMessage* msg =
- new PrintHostMsg_SetupScriptedPrintPreview(routing_id());
- msg->EnableMessagePumping();
- Send(msg);
- is_scripted_preview_delayed_ = false;
- return;
- }
- case PRINT_PREVIEW_USER_INITIATED_ENTIRE_FRAME: {
- break;
- }
- case PRINT_PREVIEW_USER_INITIATED_SELECTION: {
- DCHECK(has_selection);
- params.selection_only = has_selection;
- break;
- }
- case PRINT_PREVIEW_USER_INITIATED_CONTEXT_NODE: {
- params.webnode_only = true;
- break;
- }
- default: {
- NOTREACHED();
- return;
- }
- }
- Send(new PrintHostMsg_RequestPrintPreview(routing_id(), params));
-}
-
-bool PrintWebViewHelper::CheckForCancel() {
- const PrintMsg_Print_Params& print_params = print_pages_params_->params;
- bool cancel = false;
- Send(new PrintHostMsg_CheckForCancel(routing_id(),
- print_params.preview_ui_id,
- print_params.preview_request_id,
- &cancel));
- if (cancel)
- notify_browser_of_print_failure_ = false;
- return cancel;
-}
-
-bool PrintWebViewHelper::PreviewPageRendered(int page_number,
- Metafile* metafile) {
- DCHECK_GE(page_number, FIRST_PAGE_INDEX);
-
- // For non-modifiable files, |metafile| should be NULL, so do not bother
- // sending a message. If we don't generate draft metafiles, |metafile| is
- // NULL.
- if (!print_preview_context_.IsModifiable() ||
- !print_preview_context_.generate_draft_pages()) {
- DCHECK(!metafile);
- return true;
- }
-
- if (!metafile) {
- NOTREACHED();
- print_preview_context_.set_error(
- PREVIEW_ERROR_PAGE_RENDERED_WITHOUT_METAFILE);
- return false;
- }
-
- PrintHostMsg_DidPreviewPage_Params preview_page_params;
- // Get the size of the resulting metafile.
- uint32 buf_size = metafile->GetDataSize();
- DCHECK_GT(buf_size, 0u);
- if (!CopyMetafileDataToSharedMem(
- metafile, &(preview_page_params.metafile_data_handle))) {
- LOG(ERROR) << "CopyMetafileDataToSharedMem failed";
- print_preview_context_.set_error(PREVIEW_ERROR_METAFILE_COPY_FAILED);
- return false;
- }
- preview_page_params.data_size = buf_size;
- preview_page_params.page_number = page_number;
- preview_page_params.preview_request_id =
- print_pages_params_->params.preview_request_id;
-
- Send(new PrintHostMsg_DidPreviewPage(routing_id(), preview_page_params));
- return true;
-}
-
-PrintWebViewHelper::PrintPreviewContext::PrintPreviewContext()
- : total_page_count_(0),
- current_page_index_(0),
- generate_draft_pages_(true),
- print_ready_metafile_page_count_(0),
- error_(PREVIEW_ERROR_NONE),
- state_(UNINITIALIZED) {
-}
-
-PrintWebViewHelper::PrintPreviewContext::~PrintPreviewContext() {
-}
-
-void PrintWebViewHelper::PrintPreviewContext::InitWithFrame(
- blink::WebLocalFrame* web_frame) {
- DCHECK(web_frame);
- DCHECK(!IsRendering());
- state_ = INITIALIZED;
- source_frame_.Reset(web_frame);
- source_node_.reset();
-}
-
-void PrintWebViewHelper::PrintPreviewContext::InitWithNode(
- const blink::WebNode& web_node) {
- DCHECK(!web_node.isNull());
- DCHECK(web_node.document().frame());
- DCHECK(!IsRendering());
- state_ = INITIALIZED;
- source_frame_.Reset(web_node.document().frame());
- source_node_ = web_node;
-}
-
-void PrintWebViewHelper::PrintPreviewContext::OnPrintPreview() {
- DCHECK_EQ(INITIALIZED, state_);
- ClearContext();
-}
-
-bool PrintWebViewHelper::PrintPreviewContext::CreatePreviewDocument(
- PrepareFrameAndViewForPrint* prepared_frame,
- const std::vector<int>& pages) {
- DCHECK_EQ(INITIALIZED, state_);
- state_ = RENDERING;
-
- // Need to make sure old object gets destroyed first.
- prep_frame_view_.reset(prepared_frame);
- prep_frame_view_->StartPrinting();
-
- total_page_count_ = prep_frame_view_->GetExpectedPageCount();
- if (total_page_count_ == 0) {
- LOG(ERROR) << "CreatePreviewDocument got 0 page count";
- set_error(PREVIEW_ERROR_ZERO_PAGES);
- return false;
- }
-
- metafile_.reset(new PreviewMetafile);
- if (!metafile_->Init()) {
- set_error(PREVIEW_ERROR_METAFILE_INIT_FAILED);
- LOG(ERROR) << "PreviewMetafile Init failed";
- return false;
- }
-
- current_page_index_ = 0;
- pages_to_render_ = pages;
- // Sort and make unique.
- std::sort(pages_to_render_.begin(), pages_to_render_.end());
- pages_to_render_.resize(std::unique(pages_to_render_.begin(),
- pages_to_render_.end()) -
- pages_to_render_.begin());
- // Remove invalid pages.
- pages_to_render_.resize(std::lower_bound(pages_to_render_.begin(),
- pages_to_render_.end(),
- total_page_count_) -
- pages_to_render_.begin());
- print_ready_metafile_page_count_ = pages_to_render_.size();
- if (pages_to_render_.empty()) {
- print_ready_metafile_page_count_ = total_page_count_;
- // Render all pages.
- for (int i = 0; i < total_page_count_; ++i)
- pages_to_render_.push_back(i);
- } else if (generate_draft_pages_) {
- int pages_index = 0;
- for (int i = 0; i < total_page_count_; ++i) {
- if (pages_index < print_ready_metafile_page_count_ &&
- i == pages_to_render_[pages_index]) {
- pages_index++;
- continue;
- }
- pages_to_render_.push_back(i);
- }
- }
-
- document_render_time_ = base::TimeDelta();
- begin_time_ = base::TimeTicks::Now();
-
- return true;
-}
-
-void PrintWebViewHelper::PrintPreviewContext::RenderedPreviewPage(
- const base::TimeDelta& page_time) {
- DCHECK_EQ(RENDERING, state_);
- document_render_time_ += page_time;
- UMA_HISTOGRAM_TIMES("PrintPreview.RenderPDFPageTime", page_time);
-}
-
-void PrintWebViewHelper::PrintPreviewContext::AllPagesRendered() {
- DCHECK_EQ(RENDERING, state_);
- state_ = DONE;
- prep_frame_view_->FinishPrinting();
-}
-
-void PrintWebViewHelper::PrintPreviewContext::FinalizePrintReadyDocument() {
- DCHECK(IsRendering());
-
- base::TimeTicks begin_time = base::TimeTicks::Now();
- metafile_->FinishDocument();
-
- if (print_ready_metafile_page_count_ <= 0) {
- NOTREACHED();
- return;
- }
-
- UMA_HISTOGRAM_MEDIUM_TIMES("PrintPreview.RenderToPDFTime",
- document_render_time_);
- base::TimeDelta total_time = (base::TimeTicks::Now() - begin_time) +
- document_render_time_;
- UMA_HISTOGRAM_MEDIUM_TIMES("PrintPreview.RenderAndGeneratePDFTime",
- total_time);
- UMA_HISTOGRAM_MEDIUM_TIMES("PrintPreview.RenderAndGeneratePDFTimeAvgPerPage",
- total_time / pages_to_render_.size());
-}
-
-void PrintWebViewHelper::PrintPreviewContext::Finished() {
- DCHECK_EQ(DONE, state_);
- state_ = INITIALIZED;
- ClearContext();
-}
-
-void PrintWebViewHelper::PrintPreviewContext::Failed(bool report_error) {
- DCHECK(state_ == INITIALIZED || state_ == RENDERING);
- state_ = INITIALIZED;
- if (report_error) {
- DCHECK_NE(PREVIEW_ERROR_NONE, error_);
- UMA_HISTOGRAM_ENUMERATION("PrintPreview.RendererError", error_,
- PREVIEW_ERROR_LAST_ENUM);
- }
- ClearContext();
-}
-
-int PrintWebViewHelper::PrintPreviewContext::GetNextPageNumber() {
- DCHECK_EQ(RENDERING, state_);
- if (IsFinalPageRendered())
- return -1;
- return pages_to_render_[current_page_index_++];
-}
-
-bool PrintWebViewHelper::PrintPreviewContext::IsRendering() const {
- return state_ == RENDERING || state_ == DONE;
-}
-
-bool PrintWebViewHelper::PrintPreviewContext::IsModifiable() {
- // The only kind of node we can print right now is a PDF node.
- return !PrintingNodeOrPdfFrame(source_frame(), source_node_);
-}
-
-bool PrintWebViewHelper::PrintPreviewContext::HasSelection() {
- return IsModifiable() && source_frame()->hasSelection();
-}
-
-bool PrintWebViewHelper::PrintPreviewContext::IsLastPageOfPrintReadyMetafile()
- const {
- DCHECK(IsRendering());
- return current_page_index_ == print_ready_metafile_page_count_;
-}
-
-bool PrintWebViewHelper::PrintPreviewContext::IsFinalPageRendered() const {
- DCHECK(IsRendering());
- return static_cast<size_t>(current_page_index_) == pages_to_render_.size();
-}
-
-void PrintWebViewHelper::PrintPreviewContext::set_generate_draft_pages(
- bool generate_draft_pages) {
- DCHECK_EQ(INITIALIZED, state_);
- generate_draft_pages_ = generate_draft_pages;
-}
-
-void PrintWebViewHelper::PrintPreviewContext::set_error(
- enum PrintPreviewErrorBuckets error) {
- error_ = error;
-}
-
-blink::WebLocalFrame* PrintWebViewHelper::PrintPreviewContext::source_frame() {
- DCHECK(state_ != UNINITIALIZED);
- return source_frame_.GetFrame();
-}
-
-const blink::WebNode&
- PrintWebViewHelper::PrintPreviewContext::source_node() const {
- DCHECK(state_ != UNINITIALIZED);
- return source_node_;
-}
-
-blink::WebLocalFrame*
-PrintWebViewHelper::PrintPreviewContext::prepared_frame() {
- DCHECK(state_ != UNINITIALIZED);
- return prep_frame_view_->frame();
-}
-
-const blink::WebNode&
- PrintWebViewHelper::PrintPreviewContext::prepared_node() const {
- DCHECK(state_ != UNINITIALIZED);
- return prep_frame_view_->node();
-}
-
-int PrintWebViewHelper::PrintPreviewContext::total_page_count() const {
- DCHECK(state_ != UNINITIALIZED);
- return total_page_count_;
-}
-
-bool PrintWebViewHelper::PrintPreviewContext::generate_draft_pages() const {
- return generate_draft_pages_;
-}
-
-PreviewMetafile* PrintWebViewHelper::PrintPreviewContext::metafile() {
- DCHECK(IsRendering());
- return metafile_.get();
-}
-
-int PrintWebViewHelper::PrintPreviewContext::last_error() const {
- return error_;
-}
-
-gfx::Size PrintWebViewHelper::PrintPreviewContext::GetPrintCanvasSize() const {
- DCHECK(IsRendering());
- return prep_frame_view_->GetPrintCanvasSize();
-}
-
-void PrintWebViewHelper::PrintPreviewContext::ClearContext() {
- prep_frame_view_.reset();
- metafile_.reset();
- pages_to_render_.clear();
- error_ = PREVIEW_ERROR_NONE;
-}
-
} // namespace printing
OK,
FAIL_PRINT_INIT,
FAIL_PRINT,
- FAIL_PREVIEW,
- };
-
- enum PrintPreviewErrorBuckets {
- PREVIEW_ERROR_NONE, // Always first.
- PREVIEW_ERROR_BAD_SETTING,
- PREVIEW_ERROR_METAFILE_COPY_FAILED,
- PREVIEW_ERROR_METAFILE_INIT_FAILED,
- PREVIEW_ERROR_ZERO_PAGES,
- PREVIEW_ERROR_MAC_DRAFT_METAFILE_INIT_FAILED,
- PREVIEW_ERROR_PAGE_RENDERED_WITHOUT_METAFILE,
- PREVIEW_ERROR_UPDATING_PRINT_SETTINGS,
- PREVIEW_ERROR_INVALID_PRINTER_SETTINGS,
- PREVIEW_ERROR_LAST_ENUM // Always last.
- };
-
- enum PrintPreviewRequestType {
- PRINT_PREVIEW_USER_INITIATED_ENTIRE_FRAME,
- PRINT_PREVIEW_USER_INITIATED_SELECTION,
- PRINT_PREVIEW_USER_INITIATED_CONTEXT_NODE,
- PRINT_PREVIEW_SCRIPTED // triggered by window.print().
};
// RenderViewObserver implementation.
// Message handlers ---------------------------------------------------------
void OnPrintPages();
void OnPrintForSystemDialog();
- void OnInitiatePrintPreview(bool selection_only);
- void OnPrintPreview(const base::DictionaryValue& settings);
- void OnPrintForPrintPreview(const base::DictionaryValue& job_settings);
void OnPrintingDone(bool success);
// Get |page_size| and |content_area| information from
// Returns true if the current destination printer is PRINT_TO_PDF.
bool IsPrintToPdfRequested(const base::DictionaryValue& settings);
- // Prepare frame for creating preview document.
- void PrepareFrameForPreviewDocument();
-
- // Continue creating preview document.
- void OnFramePreparedForPreviewDocument();
-
- // Initialize the print preview document.
- bool CreatePreviewDocument();
-
- // Renders a print preview page. |page_number| is 0-based.
- // Returns true if print preview should continue, false on failure.
- bool RenderPreviewPage(int page_number,
- const PrintMsg_Print_Params& print_params);
-
- // Finalize the print ready preview document.
- bool FinalizePrintReadyDocument();
-
// Enable/Disable window.print calls. If |blocked| is true window.print
// calls will silently fail. Call with |blocked| set to false to reenable.
void SetScriptedPrintBlocked(bool blocked);
const blink::WebNode& node,
int* number_of_pages);
- // Update the current print settings with new |passed_job_settings|.
- // |passed_job_settings| dictionary contains print job details such as printer
- // name, number of copies, page range, etc.
- bool UpdatePrintSettings(blink::WebLocalFrame* frame,
- const blink::WebNode& node,
- const base::DictionaryValue& passed_job_settings);
-
// Get final print settings from the user.
// Return false if the user cancels or on error.
bool GetPrintSettingsFromUser(blink::WebFrame* frame,
// Script Initiated Printing ------------------------------------------------
- // Shows scripted print preview when options from plugin are availible.
- void ShowScriptedPrintPreview();
-
- void RequestPrintPreview(PrintPreviewRequestType type);
-
- // Checks whether print preview should continue or not.
- // Returns true if cancelling, false if continuing.
- bool CheckForCancel();
-
- // Notifies the browser a print preview page has been rendered.
- // |page_number| is 0-based.
- // For a valid |page_number| with modifiable content,
- // |metafile| is the rendered page. Otherwise |metafile| is NULL.
- // Returns true if print preview should continue, false on failure.
- bool PreviewPageRendered(int page_number, Metafile* metafile);
-
// WebView used only to print the selection.
scoped_ptr<PrepareFrameAndViewForPrint> prep_frame_view_;
bool reset_prep_frame_view_;
// the failure came from the browser in the first place.
bool notify_browser_of_print_failure_;
- // True, when printing from print preview.
- bool print_for_preview_;
-
// Strings generated by the browser process to be printed as headers and
// footers if requested by the user.
scoped_ptr<base::DictionaryValue> header_footer_info_;
- // Keeps track of the state of print preview between messages.
- // TODO(vitalybuka): Create PrintPreviewContext when needed and delete after
- // use. Now it's interaction with various messages is confusing.
- class PrintPreviewContext {
- public:
- PrintPreviewContext();
- ~PrintPreviewContext();
-
- // Initializes the print preview context. Need to be called to set
- // the |web_frame| / |web_node| to generate the print preview for.
- void InitWithFrame(blink::WebLocalFrame* web_frame);
- void InitWithNode(const blink::WebNode& web_node);
-
- // Does bookkeeping at the beginning of print preview.
- void OnPrintPreview();
-
- // Create the print preview document. |pages| is empty to print all pages.
- // Takes ownership of |prepared_frame|.
- bool CreatePreviewDocument(PrepareFrameAndViewForPrint* prepared_frame,
- const std::vector<int>& pages);
-
- // Called after a page gets rendered. |page_time| is how long the
- // rendering took.
- void RenderedPreviewPage(const base::TimeDelta& page_time);
-
- // Updates the print preview context when the required pages are rendered.
- void AllPagesRendered();
-
- // Finalizes the print ready preview document.
- void FinalizePrintReadyDocument();
-
- // Cleanup after print preview finishes.
- void Finished();
-
- // Cleanup after print preview fails.
- void Failed(bool report_error);
-
- // Helper functions
- int GetNextPageNumber();
- bool IsRendering() const;
- bool IsModifiable();
- bool HasSelection();
- bool IsLastPageOfPrintReadyMetafile() const;
- bool IsFinalPageRendered() const;
-
- // Setters
- void set_generate_draft_pages(bool generate_draft_pages);
- void set_error(enum PrintPreviewErrorBuckets error);
-
- // Getters
- // Original frame for which preview was requested.
- blink::WebLocalFrame* source_frame();
- // Original node for which preview was requested.
- const blink::WebNode& source_node() const;
-
- // Frame to be use to render preview. May be the same as source_frame(), or
- // generated from it, e.g. copy of selected block.
- blink::WebLocalFrame* prepared_frame();
- // Node to be use to render preview. May be the same as source_node(), or
- // generated from it, e.g. copy of selected block.
- const blink::WebNode& prepared_node() const;
-
- int total_page_count() const;
- bool generate_draft_pages() const;
- PreviewMetafile* metafile();
- gfx::Size GetPrintCanvasSize() const;
- int last_error() const;
-
- private:
- enum State {
- UNINITIALIZED, // Not ready to render.
- INITIALIZED, // Ready to render.
- RENDERING, // Rendering.
- DONE // Finished rendering.
- };
-
- // Reset some of the internal rendering context.
- void ClearContext();
-
- // Specifies what to render for print preview.
- FrameReference source_frame_;
- blink::WebNode source_node_;
-
- scoped_ptr<PrepareFrameAndViewForPrint> prep_frame_view_;
- scoped_ptr<PreviewMetafile> metafile_;
-
- // Total page count in the renderer.
- int total_page_count_;
-
- // The current page to render.
- int current_page_index_;
-
- // List of page indices that need to be rendered.
- std::vector<int> pages_to_render_;
-
- // True, when draft pages needs to be generated.
- bool generate_draft_pages_;
-
- // Specifies the total number of pages in the print ready metafile.
- int print_ready_metafile_page_count_;
-
- base::TimeDelta document_render_time_;
- base::TimeTicks begin_time_;
-
- enum PrintPreviewErrorBuckets error_;
-
- State state_;
- };
-
bool print_node_in_progress_;
- PrintPreviewContext print_preview_context_;
bool is_loading_;
bool is_scripted_preview_delayed_;
base::WeakPtrFactory<PrintWebViewHelper> weak_ptr_factory_;
using blink::WebFrame;
-bool PrintWebViewHelper::RenderPreviewPage(
- int page_number,
- const PrintMsg_Print_Params& print_params) {
- PrintMsg_PrintPage_Params page_params;
- page_params.params = print_params;
- page_params.page_number = page_number;
- scoped_ptr<Metafile> draft_metafile;
- Metafile* initial_render_metafile = print_preview_context_.metafile();
- if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) {
- draft_metafile.reset(new PreviewMetafile);
- initial_render_metafile = draft_metafile.get();
- }
-
- base::TimeTicks begin_time = base::TimeTicks::Now();
- PrintPageInternal(page_params,
- print_preview_context_.GetPrintCanvasSize(),
- print_preview_context_.prepared_frame(),
- initial_render_metafile);
- print_preview_context_.RenderedPreviewPage(
- base::TimeTicks::Now() - begin_time);
- if (draft_metafile.get()) {
- draft_metafile->FinishDocument();
- } else if (print_preview_context_.IsModifiable() &&
- print_preview_context_.generate_draft_pages()) {
- DCHECK(!draft_metafile.get());
- draft_metafile.reset(
- print_preview_context_.metafile()->GetMetafileForCurrentPage());
- }
- return PreviewPageRendered(page_number, draft_metafile.get());
-}
-
bool PrintWebViewHelper::PrintPagesNative(blink::WebFrame* frame,
int page_count,
const gfx::Size& canvas_size) {
gfx::Rect content_area;
GetPageSizeAndContentAreaFromPageLayout(page_layout_in_points, &page_size,
&content_area);
- gfx::Rect canvas_area =
- params.params.display_header_footer ? gfx::Rect(page_size) : content_area;
+ gfx::Rect canvas_area = content_area;
SkBaseDevice* device = metafile->StartPageForVectorCanvas(page_size,
canvas_area,
MetafileSkiaWrapper::SetMetafileOnCanvas(*canvas, metafile);
skia::SetIsDraftMode(*canvas, is_print_ready_metafile_sent_);
- if (params.params.display_header_footer) {
- // |page_number| is 0-based, so 1 is added.
- // TODO(vitalybuka) : why does it work only with 1.25?
- PrintHeaderAndFooter(canvas.get(), params.page_number + 1,
- print_preview_context_.total_page_count(),
- scale_factor / 1.25,
- page_layout_in_points, *header_footer_info_,
- params.params);
- }
RenderPageContent(frame, params.page_number, canvas_area, content_area,
scale_factor, canvas.get());
Send(new PrintHostMsg_DidPrintPage(routing_id(), page_params));
}
-bool PrintWebViewHelper::RenderPreviewPage(
- int page_number,
- const PrintMsg_Print_Params& print_params) {
- PrintMsg_Print_Params printParams = print_params;
- scoped_ptr<Metafile> draft_metafile;
- Metafile* initial_render_metafile = print_preview_context_.metafile();
-
- bool render_to_draft = print_preview_context_.IsModifiable() &&
- is_print_ready_metafile_sent_;
-
- if (render_to_draft) {
- draft_metafile.reset(new PreviewMetafile());
- if (!draft_metafile->Init()) {
- print_preview_context_.set_error(
- PREVIEW_ERROR_MAC_DRAFT_METAFILE_INIT_FAILED);
- LOG(ERROR) << "Draft PreviewMetafile Init failed";
- return false;
- }
- initial_render_metafile = draft_metafile.get();
- }
-
- base::TimeTicks begin_time = base::TimeTicks::Now();
- gfx::Size page_size;
- RenderPage(printParams, page_number, print_preview_context_.prepared_frame(),
- true, initial_render_metafile, &page_size, NULL);
- print_preview_context_.RenderedPreviewPage(
- base::TimeTicks::Now() - begin_time);
-
- if (draft_metafile.get()) {
- draft_metafile->FinishDocument();
- } else {
- if (print_preview_context_.IsModifiable() &&
- print_preview_context_.generate_draft_pages()) {
- DCHECK(!draft_metafile.get());
- draft_metafile.reset(
- print_preview_context_.metafile()->GetMetafileForCurrentPage());
- }
- }
- return PreviewPageRendered(page_number, draft_metafile.get());
-}
-
void PrintWebViewHelper::RenderPage(
const PrintMsg_Print_Params& params, int page_number, WebFrame* frame,
bool is_preview, Metafile* metafile, gfx::Size* page_size,
scale_factor *= webkit_shrink_factor;
- gfx::Rect canvas_area =
- params.display_header_footer ? gfx::Rect(*page_size) : content_area;
+ gfx::Rect canvas_area = content_area;
{
SkBaseDevice* device = metafile->StartPageForVectorCanvas(
skia::SetIsDraftMode(*canvas, is_print_ready_metafile_sent_);
skia::SetIsPreviewMetafile(*canvas, is_preview);
- if (print_pages_params_->params.display_header_footer) {
- PrintHeaderAndFooter(canvas_ptr, page_number + 1,
- print_preview_context_.total_page_count(),
- scale_factor, page_layout_in_points,
- *header_footer_info_, params);
- }
RenderPageContent(frame, page_number, canvas_area, content_area,
scale_factor, canvas_ptr);
}
Send(new PrintHostMsg_DidPrintPage(routing_id(), page_params));
}
-bool PrintWebViewHelper::RenderPreviewPage(
- int page_number,
- const PrintMsg_Print_Params& print_params) {
- // Calculate the dpi adjustment.
- double actual_shrink = static_cast<float>(print_params.desired_dpi /
- print_params.dpi);
- scoped_ptr<Metafile> draft_metafile;
- Metafile* initial_render_metafile = print_preview_context_.metafile();
-
- if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) {
- draft_metafile.reset(new PreviewMetafile);
- initial_render_metafile = draft_metafile.get();
- }
-
- base::TimeTicks begin_time = base::TimeTicks::Now();
- RenderPage(print_params, page_number, print_preview_context_.prepared_frame(),
- true, initial_render_metafile, &actual_shrink, NULL, NULL);
- print_preview_context_.RenderedPreviewPage(
- base::TimeTicks::Now() - begin_time);
-
- if (draft_metafile.get()) {
- draft_metafile->FinishDocument();
- } else if (print_preview_context_.IsModifiable() &&
- print_preview_context_.generate_draft_pages()) {
- DCHECK(!draft_metafile.get());
- draft_metafile.reset(
- print_preview_context_.metafile()->GetMetafileForCurrentPage());
- }
- return PreviewPageRendered(page_number, draft_metafile.get());
-}
-
void PrintWebViewHelper::RenderPage(
const PrintMsg_Print_Params& params, int page_number, WebFrame* frame,
bool is_preview, Metafile* metafile, double* actual_shrink,
kPointsPerInch, dpi)));
}
- if (!is_preview) {
- // Since WebKit extends the page width depending on the magical scale factor
- // we make sure the canvas covers the worst case scenario (x2.0 currently).
- // PrintContext will then set the correct clipping region.
- page_size = gfx::Size(
- static_cast<int>(page_layout_in_points.content_width *
- params.max_shrink),
- static_cast<int>(page_layout_in_points.content_height *
- params.max_shrink));
- }
-
float webkit_page_shrink_factor = frame->getPrintPageShrink(page_number);
float scale_factor = css_scale_factor * webkit_page_shrink_factor;
- gfx::Rect canvas_area =
- params.display_header_footer ? gfx::Rect(page_size) : content_area;
+ gfx::Rect canvas_area = content_area;
SkBaseDevice* device = metafile->StartPageForVectorCanvas(
page_size, canvas_area, scale_factor);
skia::RefPtr<skia::VectorCanvas> canvas =
skia::AdoptRef(new skia::VectorCanvas(device));
- if (is_preview) {
- MetafileSkiaWrapper::SetMetafileOnCanvas(*canvas, metafile);
- skia::SetIsDraftMode(*canvas, is_print_ready_metafile_sent_);
- skia::SetIsPreviewMetafile(*canvas, is_preview);
- }
-
- if (params.display_header_footer) {
- // |page_number| is 0-based, so 1 is added.
- PrintHeaderAndFooter(canvas.get(), page_number + 1,
- print_preview_context_.total_page_count(), scale_factor,
- page_layout_in_points, *header_footer_info_, params);
- }
-
float webkit_scale_factor = RenderPageContent(frame, page_number, canvas_area,
content_area, scale_factor,
canvas.get());
projects / platform / framework / web / crosswalk-tizen.git / commitdiff