Strip out print preview.
This commit is contained in:
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eb3ecab6a8
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9 changed files with 6 additions and 1513 deletions
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@ -48,14 +48,6 @@ namespace printing {
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namespace {
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enum PrintPreviewHelperEvents {
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PREVIEW_EVENT_REQUESTED,
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PREVIEW_EVENT_CACHE_HIT, // Unused
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PREVIEW_EVENT_CREATE_DOCUMENT,
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PREVIEW_EVENT_NEW_SETTINGS, // Unused
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PREVIEW_EVENT_MAX,
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};
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const double kMinDpi = 1.0;
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const char kPageLoadScriptFormat[] =
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@ -286,20 +278,6 @@ bool PrintingNodeOrPdfFrame(const blink::WebFrame* frame,
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return plugin && plugin->supportsPaginatedPrint();
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}
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bool PrintingFrameHasPageSizeStyle(blink::WebFrame* frame,
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int total_page_count) {
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if (!frame)
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return false;
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bool frame_has_custom_page_size_style = false;
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for (int i = 0; i < total_page_count; ++i) {
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if (frame->hasCustomPageSizeStyle(i)) {
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frame_has_custom_page_size_style = true;
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break;
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}
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}
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return frame_has_custom_page_size_style;
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}
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MarginType GetMarginsForPdf(blink::WebFrame* frame,
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const blink::WebNode& node) {
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if (frame->isPrintScalingDisabledForPlugin(node))
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@ -308,49 +286,6 @@ MarginType GetMarginsForPdf(blink::WebFrame* frame,
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return PRINTABLE_AREA_MARGINS;
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}
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bool FitToPageEnabled(const base::DictionaryValue& job_settings) {
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bool fit_to_paper_size = false;
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if (!job_settings.GetBoolean(kSettingFitToPageEnabled, &fit_to_paper_size)) {
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NOTREACHED();
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}
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return fit_to_paper_size;
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}
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// Returns the print scaling option to retain/scale/crop the source page size
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// to fit the printable area of the paper.
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//
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// We retain the source page size when the current destination printer is
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// SAVE_AS_PDF.
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//
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// We crop the source page size to fit the printable area or we print only the
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// left top page contents when
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// (1) Source is PDF and the user has requested not to fit to printable area
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// via |job_settings|.
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// (2) Source is PDF. This is the first preview request and print scaling
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// option is disabled for initiator renderer plugin.
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//
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// In all other cases, we scale the source page to fit the printable area.
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blink::WebPrintScalingOption GetPrintScalingOption(
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blink::WebFrame* frame,
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const blink::WebNode& node,
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bool source_is_html,
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const base::DictionaryValue& job_settings,
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const PrintMsg_Print_Params& params) {
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if (params.print_to_pdf)
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return blink::WebPrintScalingOptionSourceSize;
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if (!source_is_html) {
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if (!FitToPageEnabled(job_settings))
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return blink::WebPrintScalingOptionNone;
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bool no_plugin_scaling = frame->isPrintScalingDisabledForPlugin(node);
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if (params.is_first_request && no_plugin_scaling)
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return blink::WebPrintScalingOptionNone;
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}
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return blink::WebPrintScalingOptionFitToPrintableArea;
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}
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PrintMsg_Print_Params CalculatePrintParamsForCss(
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blink::WebFrame* frame,
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int page_index,
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@ -394,10 +329,6 @@ PrintMsg_Print_Params CalculatePrintParamsForCss(
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return result_params;
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}
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bool IsPrintPreviewEnabled() {
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return false;
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}
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} // namespace
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FrameReference::FrameReference(blink::WebLocalFrame* frame) {
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@ -767,14 +698,11 @@ PrintWebViewHelper::PrintWebViewHelper(content::RenderView* render_view)
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: content::RenderViewObserver(render_view),
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content::RenderViewObserverTracker<PrintWebViewHelper>(render_view),
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reset_prep_frame_view_(false),
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is_preview_enabled_(IsPrintPreviewEnabled()),
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is_print_ready_metafile_sent_(false),
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ignore_css_margins_(false),
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notify_browser_of_print_failure_(true),
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print_for_preview_(false),
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print_node_in_progress_(false),
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is_loading_(false),
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is_scripted_preview_delayed_(false),
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weak_ptr_factory_(this) {
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}
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@ -786,91 +714,25 @@ void PrintWebViewHelper::DidStartLoading() {
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void PrintWebViewHelper::DidStopLoading() {
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is_loading_ = false;
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ShowScriptedPrintPreview();
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}
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// Prints |frame| which called window.print().
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void PrintWebViewHelper::PrintPage(blink::WebLocalFrame* frame,
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bool user_initiated) {
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DCHECK(frame);
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if (is_preview_enabled_) {
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print_preview_context_.InitWithFrame(frame);
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RequestPrintPreview(PRINT_PREVIEW_SCRIPTED);
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} else {
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Print(frame, blink::WebNode());
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}
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Print(frame, blink::WebNode());
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}
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bool PrintWebViewHelper::OnMessageReceived(const IPC::Message& message) {
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bool handled = true;
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IPC_BEGIN_MESSAGE_MAP(PrintWebViewHelper, message)
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IPC_MESSAGE_HANDLER(PrintMsg_PrintPages, OnPrintPages)
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IPC_MESSAGE_HANDLER(PrintMsg_PrintForSystemDialog, OnPrintForSystemDialog)
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IPC_MESSAGE_HANDLER(PrintMsg_InitiatePrintPreview, OnInitiatePrintPreview)
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IPC_MESSAGE_HANDLER(PrintMsg_PrintPreview, OnPrintPreview)
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IPC_MESSAGE_HANDLER(PrintMsg_PrintForPrintPreview, OnPrintForPrintPreview)
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IPC_MESSAGE_HANDLER(PrintMsg_PrintingDone, OnPrintingDone)
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IPC_MESSAGE_UNHANDLED(handled = false)
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IPC_END_MESSAGE_MAP()
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return handled;
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}
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void PrintWebViewHelper::OnPrintForPrintPreview(
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const base::DictionaryValue& job_settings) {
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DCHECK(is_preview_enabled_);
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// If still not finished with earlier print request simply ignore.
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if (prep_frame_view_)
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return;
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if (!render_view()->GetWebView())
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return;
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blink::WebFrame* main_frame = render_view()->GetWebView()->mainFrame();
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if (!main_frame)
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return;
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blink::WebDocument document = main_frame->document();
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// <object>/<iframe> with id="pdf-viewer" is created in
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// chrome/browser/resources/print_preview/print_preview.js
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blink::WebElement pdf_element = document.getElementById("pdf-viewer");
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if (pdf_element.isNull()) {
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NOTREACHED();
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return;
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}
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// The out-of-process plugin element is nested within a frame.
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blink::WebLocalFrame* plugin_frame = pdf_element.document().frame();
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blink::WebElement plugin_element = pdf_element;
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// Set |print_for_preview_| flag and autoreset it to back to original
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// on return.
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base::AutoReset<bool> set_printing_flag(&print_for_preview_, true);
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if (!UpdatePrintSettings(plugin_frame, plugin_element, job_settings)) {
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LOG(ERROR) << "UpdatePrintSettings failed";
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DidFinishPrinting(FAIL_PRINT);
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return;
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}
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// Print page onto entire page not just printable area. Preview PDF already
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// has content in correct position taking into account page size and printable
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// area.
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// TODO(vitalybuka) : Make this consistent on all platform. This change
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// affects Windows only. On Linux and OSX RenderPagesForPrint does not use
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// printable_area. Also we can't change printable_area deeper inside
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// RenderPagesForPrint for Windows, because it's used also by native
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// printing and it expects real printable_area value.
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// See http://crbug.com/123408
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PrintMsg_Print_Params& print_params = print_pages_params_->params;
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print_params.printable_area = gfx::Rect(print_params.page_size);
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// Render Pages for printing.
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if (!RenderPagesForPrint(plugin_frame, plugin_element)) {
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LOG(ERROR) << "RenderPagesForPrint failed";
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DidFinishPrinting(FAIL_PRINT);
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}
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}
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bool PrintWebViewHelper::GetPrintFrame(blink::WebLocalFrame** frame) {
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DCHECK(frame);
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blink::WebView* webView = render_view()->GetWebView();
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@ -894,16 +756,6 @@ void PrintWebViewHelper::OnPrintPages() {
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Print(frame, blink::WebNode());
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}
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void PrintWebViewHelper::OnPrintForSystemDialog() {
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blink::WebLocalFrame* frame = print_preview_context_.source_frame();
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if (!frame) {
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NOTREACHED();
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return;
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}
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Print(frame, print_preview_context_.source_node());
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}
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void PrintWebViewHelper::GetPageSizeAndContentAreaFromPageLayout(
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const PageSizeMargins& page_layout_in_points,
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gfx::Size* page_size,
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@ -937,199 +789,6 @@ bool PrintWebViewHelper::IsPrintToPdfRequested(
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return print_to_pdf;
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}
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void PrintWebViewHelper::OnPrintPreview(const base::DictionaryValue& settings) {
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DCHECK(is_preview_enabled_);
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print_preview_context_.OnPrintPreview();
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UMA_HISTOGRAM_ENUMERATION("PrintPreview.PreviewEvent",
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PREVIEW_EVENT_REQUESTED, PREVIEW_EVENT_MAX);
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if (!print_preview_context_.source_frame()) {
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DidFinishPrinting(FAIL_PREVIEW);
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return;
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}
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if (!UpdatePrintSettings(print_preview_context_.source_frame(),
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print_preview_context_.source_node(), settings)) {
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if (print_preview_context_.last_error() != PREVIEW_ERROR_BAD_SETTING) {
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Send(new PrintHostMsg_PrintPreviewInvalidPrinterSettings(
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routing_id(),
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print_pages_params_.get()
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? print_pages_params_->params.document_cookie
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: 0));
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notify_browser_of_print_failure_ = false; // Already sent.
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}
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DidFinishPrinting(FAIL_PREVIEW);
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return;
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}
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// If we are previewing a pdf and the print scaling is disabled, send a
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// message to browser.
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if (print_pages_params_->params.is_first_request &&
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!print_preview_context_.IsModifiable() &&
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print_preview_context_.source_frame()->isPrintScalingDisabledForPlugin(
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print_preview_context_.source_node())) {
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Send(new PrintHostMsg_PrintPreviewScalingDisabled(routing_id()));
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}
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is_print_ready_metafile_sent_ = false;
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// PDF printer device supports alpha blending.
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print_pages_params_->params.supports_alpha_blend = true;
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bool generate_draft_pages = false;
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if (!settings.GetBoolean(kSettingGenerateDraftData,
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&generate_draft_pages)) {
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NOTREACHED();
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}
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print_preview_context_.set_generate_draft_pages(generate_draft_pages);
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PrepareFrameForPreviewDocument();
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}
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void PrintWebViewHelper::PrepareFrameForPreviewDocument() {
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reset_prep_frame_view_ = false;
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if (!print_pages_params_ || CheckForCancel()) {
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DidFinishPrinting(FAIL_PREVIEW);
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return;
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}
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// Don't reset loading frame or WebKit will fail assert. Just retry when
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// current selection is loaded.
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if (prep_frame_view_ && prep_frame_view_->IsLoadingSelection()) {
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reset_prep_frame_view_ = true;
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return;
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}
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const PrintMsg_Print_Params& print_params = print_pages_params_->params;
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prep_frame_view_.reset(
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new PrepareFrameAndViewForPrint(print_params,
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print_preview_context_.source_frame(),
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print_preview_context_.source_node(),
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ignore_css_margins_));
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prep_frame_view_->CopySelectionIfNeeded(
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render_view()->GetWebkitPreferences(),
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base::Bind(&PrintWebViewHelper::OnFramePreparedForPreviewDocument,
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base::Unretained(this)));
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}
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void PrintWebViewHelper::OnFramePreparedForPreviewDocument() {
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if (reset_prep_frame_view_) {
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PrepareFrameForPreviewDocument();
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return;
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}
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DidFinishPrinting(CreatePreviewDocument() ? OK : FAIL_PREVIEW);
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}
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bool PrintWebViewHelper::CreatePreviewDocument() {
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if (!print_pages_params_ || CheckForCancel())
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return false;
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UMA_HISTOGRAM_ENUMERATION("PrintPreview.PreviewEvent",
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PREVIEW_EVENT_CREATE_DOCUMENT, PREVIEW_EVENT_MAX);
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const PrintMsg_Print_Params& print_params = print_pages_params_->params;
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const std::vector<int>& pages = print_pages_params_->pages;
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if (!print_preview_context_.CreatePreviewDocument(prep_frame_view_.release(),
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pages)) {
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return false;
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}
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PageSizeMargins default_page_layout;
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ComputePageLayoutInPointsForCss(print_preview_context_.prepared_frame(), 0,
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print_params, ignore_css_margins_, NULL,
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&default_page_layout);
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bool has_page_size_style = PrintingFrameHasPageSizeStyle(
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print_preview_context_.prepared_frame(),
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print_preview_context_.total_page_count());
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int dpi = GetDPI(&print_params);
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gfx::Rect printable_area_in_points(
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ConvertUnit(print_params.printable_area.x(), dpi, kPointsPerInch),
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ConvertUnit(print_params.printable_area.y(), dpi, kPointsPerInch),
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ConvertUnit(print_params.printable_area.width(), dpi, kPointsPerInch),
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ConvertUnit(print_params.printable_area.height(), dpi, kPointsPerInch));
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// Margins: Send default page layout to browser process.
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Send(new PrintHostMsg_DidGetDefaultPageLayout(routing_id(),
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default_page_layout,
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printable_area_in_points,
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has_page_size_style));
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PrintHostMsg_DidGetPreviewPageCount_Params params;
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params.page_count = print_preview_context_.total_page_count();
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params.is_modifiable = print_preview_context_.IsModifiable();
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params.document_cookie = print_params.document_cookie;
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params.preview_request_id = print_params.preview_request_id;
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params.clear_preview_data = print_preview_context_.generate_draft_pages();
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Send(new PrintHostMsg_DidGetPreviewPageCount(routing_id(), params));
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if (CheckForCancel())
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return false;
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while (!print_preview_context_.IsFinalPageRendered()) {
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int page_number = print_preview_context_.GetNextPageNumber();
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DCHECK_GE(page_number, 0);
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if (!RenderPreviewPage(page_number, print_params))
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return false;
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if (CheckForCancel())
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return false;
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// We must call PrepareFrameAndViewForPrint::FinishPrinting() (by way of
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// print_preview_context_.AllPagesRendered()) before calling
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// FinalizePrintReadyDocument() when printing a PDF because the plugin
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// code does not generate output until we call FinishPrinting(). We do not
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// generate draft pages for PDFs, so IsFinalPageRendered() and
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// IsLastPageOfPrintReadyMetafile() will be true in the same iteration of
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// the loop.
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if (print_preview_context_.IsFinalPageRendered())
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print_preview_context_.AllPagesRendered();
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if (print_preview_context_.IsLastPageOfPrintReadyMetafile()) {
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DCHECK(print_preview_context_.IsModifiable() ||
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print_preview_context_.IsFinalPageRendered());
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if (!FinalizePrintReadyDocument())
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return false;
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}
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}
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print_preview_context_.Finished();
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return true;
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}
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bool PrintWebViewHelper::FinalizePrintReadyDocument() {
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DCHECK(!is_print_ready_metafile_sent_);
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print_preview_context_.FinalizePrintReadyDocument();
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// Get the size of the resulting metafile.
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PreviewMetafile* metafile = print_preview_context_.metafile();
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uint32 buf_size = metafile->GetDataSize();
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DCHECK_GT(buf_size, 0u);
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PrintHostMsg_DidPreviewDocument_Params preview_params;
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preview_params.data_size = buf_size;
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preview_params.document_cookie = print_pages_params_->params.document_cookie;
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preview_params.expected_pages_count =
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print_preview_context_.total_page_count();
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preview_params.modifiable = print_preview_context_.IsModifiable();
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preview_params.preview_request_id =
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print_pages_params_->params.preview_request_id;
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// Ask the browser to create the shared memory for us.
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if (!CopyMetafileDataToSharedMem(metafile,
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&(preview_params.metafile_data_handle))) {
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LOG(ERROR) << "CopyMetafileDataToSharedMem failed";
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print_preview_context_.set_error(PREVIEW_ERROR_METAFILE_COPY_FAILED);
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return false;
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}
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is_print_ready_metafile_sent_ = true;
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Send(new PrintHostMsg_MetafileReadyForPrinting(routing_id(), preview_params));
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return true;
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}
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void PrintWebViewHelper::OnPrintingDone(bool success) {
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notify_browser_of_print_failure_ = false;
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if (!success)
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@ -1137,17 +796,6 @@ void PrintWebViewHelper::OnPrintingDone(bool success) {
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DidFinishPrinting(success ? OK : FAIL_PRINT);
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}
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void PrintWebViewHelper::OnInitiatePrintPreview(bool selection_only) {
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DCHECK(is_preview_enabled_);
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blink::WebLocalFrame* frame = NULL;
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GetPrintFrame(&frame);
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DCHECK(frame);
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print_preview_context_.InitWithFrame(frame);
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RequestPrintPreview(selection_only ?
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PRINT_PREVIEW_USER_INITIATED_SELECTION :
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PRINT_PREVIEW_USER_INITIATED_ENTIRE_FRAME);
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}
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bool PrintWebViewHelper::IsPrintingEnabled() {
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bool result = false;
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Send(new PrintHostMsg_IsPrintingEnabled(routing_id(), &result));
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@ -1172,13 +820,8 @@ void PrintWebViewHelper::PrintNode(const blink::WebNode& node) {
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// Make a copy of the node, in case RenderView::OnContextMenuClosed resets
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// its |context_menu_node_|.
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if (is_preview_enabled_) {
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print_preview_context_.InitWithNode(node);
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RequestPrintPreview(PRINT_PREVIEW_USER_INITIATED_CONTEXT_NODE);
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} else {
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blink::WebNode duplicate_node(node);
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Print(duplicate_node.document().frame(), duplicate_node);
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}
|
||||
blink::WebNode duplicate_node(node);
|
||||
Print(duplicate_node.document().frame(), duplicate_node);
|
||||
|
||||
print_node_in_progress_ = false;
|
||||
}
|
||||
|
@ -1232,19 +875,6 @@ void PrintWebViewHelper::DidFinishPrinting(PrintingResult result) {
|
|||
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();
|
||||
|
@ -1278,18 +908,6 @@ void PrintWebViewHelper::PrintPages() {
|
|||
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.";
|
||||
|
@ -1398,99 +1016,6 @@ bool PrintWebViewHelper::CalculateNumberOfPages(blink::WebLocalFrame* frame,
|
|||
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) {
|
||||
|
@ -1505,8 +1030,6 @@ bool PrintWebViewHelper::GetPrintSettingsFromUser(blink::WebFrame* frame,
|
|||
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 =
|
||||
|
@ -1563,359 +1086,4 @@ bool PrintWebViewHelper::CopyMetafileDataToSharedMem(
|
|||
}
|
||||
#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
|
||||
|
|
|
@ -88,27 +88,6 @@ class PrintWebViewHelper
|
|||
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.
|
||||
|
@ -121,9 +100,6 @@ class PrintWebViewHelper
|
|||
// 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
|
||||
|
@ -139,23 +115,6 @@ class PrintWebViewHelper
|
|||
// 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);
|
||||
|
@ -178,13 +137,6 @@ class PrintWebViewHelper
|
|||
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,
|
||||
|
@ -276,22 +228,6 @@ class PrintWebViewHelper
|
|||
|
||||
// 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_;
|
||||
|
@ -306,124 +242,11 @@ class PrintWebViewHelper
|
|||
// 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_;
|
||||
|
|
|
@ -26,37 +26,6 @@ namespace printing {
|
|||
|
||||
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) {
|
||||
|
@ -162,8 +131,7 @@ void PrintWebViewHelper::PrintPageInternal(
|
|||
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,
|
||||
|
@ -178,15 +146,6 @@ void PrintWebViewHelper::PrintPageInternal(
|
|||
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());
|
||||
|
||||
|
|
|
@ -54,47 +54,6 @@ void PrintWebViewHelper::PrintPageInternal(
|
|||
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,
|
||||
|
@ -114,8 +73,7 @@ void PrintWebViewHelper::RenderPage(
|
|||
|
||||
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(
|
||||
|
@ -130,12 +88,6 @@ void PrintWebViewHelper::RenderPage(
|
|||
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);
|
||||
}
|
||||
|
|
|
@ -88,37 +88,6 @@ void PrintWebViewHelper::PrintPageInternal(
|
|||
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,
|
||||
|
@ -154,22 +123,10 @@ void PrintWebViewHelper::RenderPage(
|
|||
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);
|
||||
|
@ -179,19 +136,6 @@ void PrintWebViewHelper::RenderPage(
|
|||
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());
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue