зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1311586 - Implement method |PPB_PDF::Print|. r=brsun
From eb817ace782f0c7deb420e61c5d9d6185c665e28 Mon Sep 17 00:00:00 2001 --- .../mortar/host/common/ppapi-runtime.jsm | 205 +++++++++++++++++++++ .../mortar/host/pdf/chrome/js/toolbar.js | 4 + .../mortar/host/pdf/chrome/js/viewport.js | 6 + .../mortar/host/pdf/ppapi-content-sandbox.js | 70 +++++++ 4 files changed, 285 insertions(+)
This commit is contained in:
lochang
Родитель
4b7b8ff6a2
Коммит
79448e55da
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@ -53,6 +53,13 @@ const PP_ERROR_ADDRESS_IN_USE = -108;
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const PP_ERROR_MESSAGE_TOO_BIG = -109;
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const PP_ERROR_NAME_NOT_RESOLVED = -110;
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// Point is defined as 1/72 of an inch (25.4mm)
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const POINT_PER_INCH = 72;
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const POINT_PER_MILLIMETER = POINT_PER_INCH / 25.4;
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const PRINT_FILE_NAME = "print.pdf";
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const PRINT_CONTENT_TEMP_KEY =
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(Services.appinfo.OS == "Linux") ? "TmpD" : "ContentTmpD";
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const PP_Bool = {
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PP_FALSE: 0,
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@ -262,6 +269,26 @@ const PP_NetworkList_Type = {
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PP_NETWORKLIST_TYPE_CELLULAR: 3
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};
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const PP_PrintOrientation_Dev = {
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PP_PRINTORIENTATION_NORMAL: 0,
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PP_PRINTORIENTATION_ROTATED_90_CW: 1,
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PP_PRINTORIENTATION_ROTATED_180: 2,
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PP_PRINTORIENTATION_ROTATED_90_CCW: 3
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};
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const PP_PrintOutputFormat_Dev = {
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PP_PRINTOUTPUTFORMAT_RASTER: 1 << 0,
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PP_PRINTOUTPUTFORMAT_PDF: 1 << 1,
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PP_PRINTOUTPUTFORMAT_POSTSCRIPT: 1 << 2,
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PP_PRINTOUTPUTFORMAT_EMF: 1 << 3
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};
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const PP_PrintScalingOption_Dev = {
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PP_PRINTSCALINGOPTION_NONE: 0,
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PP_PRINTSCALINGOPTION_FIT_TO_PRINTABLE_AREA: 1,
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PP_PRINTSCALINGOPTION_SOURCE_SIZE: 2
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};
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const PP_TextInput_Type_Dev = {
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PP_TEXTINPUT_TYPE_DEV_NONE: 0,
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PP_TEXTINPUT_TYPE_DEV_TEXT: 1,
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@ -330,6 +357,19 @@ const PR_TRUNCATE = 0x20;
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const PR_SYNC = 0x40;
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const PR_EXCL = 0x80;
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/* File mode bits */
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const PR_IRWXU = 0o700; /* read, write, execute/search by owner */
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const PR_IRUSR = 0o400; /* read permission, owner */
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const PR_IWUSR = 0o200; /* write permission, owner */
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const PR_IXUSR = 0o100; /* execute/search permission, owner */
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const PR_IRWXG = 0o070; /* read, write, execute/search by group */
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const PR_IRGRP = 0o040; /* read permission, group */
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const PR_IWGRP = 0o020; /* write permission, group */
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const PR_IXGRP = 0o010; /* execute/search permission, group */
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const PR_IRWXO = 0o007; /* read, write, execute/search by others */
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const PR_IROTH = 0o004; /* read permission, others */
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const PR_IWOTH = 0o002; /* write permission, others */
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const PR_IXOTH = 0o001; /* execute/search permission, others */
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class InterfaceMemberCall {
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constructor(interfaceName, memberName, args) {
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@ -1541,6 +1581,8 @@ class PPAPIInstance {
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this.cachedImageData = null;
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this.viewport = new PPAPIViewport(this);
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this.selectedText = "";
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this.ppapiPrintSettings = {};
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this.pageRangeInfo = {};
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this.notifyHashChange(info.url);
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@ -1561,6 +1603,76 @@ class PPAPIInstance {
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name: evt.data.name
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});
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});
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this.mm.addMessageListener("ppapipdf.js:printsettingschanged", (evt) => {
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// Convert trim print settings to ppapi print settings
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let ps = evt.data.trimPrintSettings;
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let point = (ps.paperSizeUnit == Ci.nsIPrintSettings.kPaperSizeInches)
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? POINT_PER_INCH : POINT_PER_MILLIMETER;
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// Unit of margins are in inches but paper size could be inches or mm
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this.ppapiPrintSettings.printable_area = {
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point: {
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x: ps.unwriteableMarginLeft * POINT_PER_INCH,
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y: ps.unwriteableMarginTop * POINT_PER_INCH
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},
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size: {
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width: ps.paperWidth * point - (ps.unwriteableMarginLeft +
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ps.unwriteableMarginRight) * POINT_PER_INCH,
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height: ps.paperHeight * point - (ps.unwriteableMarginTop +
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ps.unwriteableMarginBottom) * POINT_PER_INCH
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}
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};
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this.ppapiPrintSettings.content_area = {
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point: {
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x: ps.marginLeft * POINT_PER_INCH,
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y: ps.marginTop * POINT_PER_INCH
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},
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size: {
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width: ps.paperWidth * point - (ps.marginLeft +
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ps.marginRight) * POINT_PER_INCH,
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height: ps.paperHeight * point - (ps.marginTop +
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ps.marginBottom) * POINT_PER_INCH
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}
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};
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this.ppapiPrintSettings.paper_size = {
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width: ps.paperWidth * point,
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height: ps.paperHeight * point
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};
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// XXX The print dialog does not provide a way for user to set resolution
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// which causes us not able to access the resolution. So here we
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// workaround by setting resolution to a default value 0 and pass it
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// to PDFium for getting PDF file. It is fine to pass a unmeaningful
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// value of resolution when print as PDF.
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this.ppapiPrintSettings.dpi = 0;
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// XXX We only support kPortraitOrientation and kLandscapeOreintation,
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// otherwise we return directly.
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switch (ps.orientation) {
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case Ci.nsIPrintSettings.kPortraitOrientation:
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this.ppapiPrintSettings.orientation =
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PP_PrintOrientation_Dev.PP_PRINTORIENTATION_NORMAL;
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break;
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case Ci.nsIPrintSettings.kLandscapeOrientation:
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this.ppapiPrintSettings.orientation =
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PP_PrintOrientation_Dev.PP_PRINTORIENTATION_ROTATED_90_CW;
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break;
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default:
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return;
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}
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this.ppapiPrintSettings.print_scaling_option = ps.shrinkToFit ?
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PP_PrintScalingOption_Dev.PP_PRINTSCALINGOPTION_FIT_TO_PRINTABLE_AREA :
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PP_PrintScalingOption_Dev.PP_PRINTSCALINGOPTION_NONE;
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this.ppapiPrintSettings.grayscale = !ps.printInColor;
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this.ppapiPrintSettings.format =
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PP_PrintOutputFormat_Dev.PP_PRINTOUTPUTFORMAT_PDF;
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// Store page range information
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this.pageRangeInfo.printRange = ps.printRange;
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this.pageRangeInfo.startPageRange = ps.startPageRange;
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this.pageRangeInfo.endPageRange = ps.endPageRange;
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let message = {type: 'print'};
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this.viewportActionHandler(message);
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});
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}
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notifyHashChange(url) {
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@ -1704,6 +1816,10 @@ class PPAPIInstance {
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case 'setHash':
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this.mm.sendAsyncMessage("ppapipdf.js:setHash", message.hash);
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break;
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case 'startPrint':
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// We need permission for showing print dialog to get print settings
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this.mm.sendAsyncMessage("ppapipdf.js:getPrintSettings");
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break;
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case 'viewport':
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case 'rotateClockwise':
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case 'rotateCounterclockwise':
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@ -1711,6 +1827,7 @@ class PPAPIInstance {
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case 'getSelectedText':
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case 'getNamedDestination':
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case 'getPasswordComplete':
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case 'print':
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let data = PP_Var.fromJSValue(new Dictionary(message), this);
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this.rt.call(new InterfaceMemberCall("PPP_Messaging;1.0", "HandleMessage",
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{ instance: this, var: data }));
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@ -4810,6 +4927,94 @@ dump(`callFromJSON: < ${JSON.stringify(call)}\n`);
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return 0;
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},
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/**
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* void Print(
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* [in] PP_Instance instance);
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*/
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PPB_PDF_Print: function(json) {
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let instance = this.instances[json.instance];
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let pageRangeInfo = instance.pageRangeInfo;
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// Query supported formats
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let supportedFormats = instance.rt.call(new InterfaceMemberCall(
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"PPP_Printing(Dev);0.6", "QuerySupportedFormats", { instance }), true);
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// XXX We only support PDF output format now.
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if (!(PP_PrintOutputFormat_Dev.PP_PRINTOUTPUTFORMAT_PDF &
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supportedFormats)) {
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return;
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}
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// Begin of printing
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let totalPageNumber = instance.rt.call(new InterfaceMemberCall(
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"PPP_Printing(Dev);0.6", "Begin", { instance, print_settings:
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instance.ppapiPrintSettings }), true);
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if (totalPageNumber <= 0) {
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return;
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}
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// Get PDF file
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if (pageRangeInfo.printRange == Ci.nsIPrintSettings.kRangeAllPages) {
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pageRangeInfo.startPageRange = 1;
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pageRangeInfo.endPageRange = totalPageNumber;
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} else {
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if (pageRangeInfo.startPageRange < 1) {
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pageRanges.startPageRange = 1;
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}
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if (pageRangeInfo.endPageRange > totalPageNumber) {
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pageRangeInfo.endPageRange = totalPageNumber;
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}
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if (pageRangeInfo.startPageRange > pageRangeInfo.endPageRange) {
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return;
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}
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}
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// XXX We only support one page range now:
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// Gecko is using OS native print dialog now. And the print dialog
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// on Linux do support multiple page ranges. However, there is no
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// existing XPCOM interface for us to get the multiple page ranges
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// information. In addition, the print dialog on Mac and Windows only
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// support one page range.
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//
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// The behavior of printing muliple page ranges on Linux now is we
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// will print out the pages from the minimum start page to the
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// maximum last page of the page ranges.
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let pageRanges = [{ from: pageRangeInfo.startPageRange - 1,
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to: pageRangeInfo.endPageRange - 1 }];
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let pageRangeCount = pageRanges.length;
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let bufferId = instance.rt.call(new InterfaceMemberCall(
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"PPP_Printing(Dev);0.6", "PrintPages", {
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instance, page_ranges: pageRanges, page_range_count: pageRangeCount
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}), true);
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if (!bufferId) {
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return;
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}
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let buffer = PP_Resource.lookup(bufferId);
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// Save PDF to file
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let file = Services.dirsvc.get(PRINT_CONTENT_TEMP_KEY, Ci.nsIFile);
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file.append(PRINT_FILE_NAME);
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file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, PR_IRUSR | PR_IWUSR);
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let stream = Cc["@mozilla.org/network/file-output-stream;1"].
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createInstance(Ci.nsIFileOutputStream);
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stream.init(file, PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE,
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PR_IRUSR | PR_IWUSR, 0);
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let binaryStream = Cc["@mozilla.org/binaryoutputstream;1"].
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createInstance(Ci.nsIBinaryOutputStream);
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binaryStream.setOutputStream(stream);
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let data = new Uint8ClampedArray(instance.rt.getCachedBuffer(buffer.mem));
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binaryStream.writeByteArray(Array.from(data), buffer.size);
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// End of printing
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stream.flush();
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stream.close();
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buffer.unmap();
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buffer.release();
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instance.rt.call(new InterfaceMemberCall(
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"PPP_Printing(Dev);0.6", "End", { instance }), true);
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// We need permission for printing PDF file
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instance.mm.sendAsyncMessage("ppapipdf.js:printPDF", {
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contentTempKey: PRINT_CONTENT_TEMP_KEY, fileName: PRINT_FILE_NAME });
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},
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/**
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* void SearchString(
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* [in] PP_Instance instance,
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@ -197,6 +197,10 @@ class Toolbar {
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case 'secondaryDownload':
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this._viewport.save();
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break;
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case 'print':
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case 'secondaryPrint':
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this._viewport.print();
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break;
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case 'pageRotateCw':
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this._viewport.rotateClockwise();
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break;
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@ -659,6 +659,12 @@ class Viewport {
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});
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}
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print() {
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this._doAction({
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type: 'startPrint'
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});
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}
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// A handler for delivering messages to runtime.
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registerActionHandler(handler) {
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if (typeof handler === 'function') {
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@ -12,6 +12,7 @@
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const { classes: Cc, interfaces: Ci, results: Cr, utils: Cu } = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
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"resource://gre/modules/NetUtil.jsm");
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@ -20,6 +21,10 @@ XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
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let mm = pluginElement.frameLoader.messageManager;
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let containerWindow = pluginElement.ownerGlobal;
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// We have to cache the print settings for printing PDF file here, since in
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// general we are not able to send XPCOM object across processes.
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let printSettings = {};
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// Prevent the drag event's default action on the element, to avoid dragging of
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// that element while the user selects text.
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pluginElement.addEventListener("dragstart",
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@ -110,6 +115,71 @@ mm.addMessageListener("ppapipdf.js:setHash", ({ data }) => {
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}
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});
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mm.addMessageListener("ppapipdf.js:getPrintSettings", () => {
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let PSSVC = Cc["@mozilla.org/gfx/printsettings-service;1"].
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getService(Ci.nsIPrintSettingsService);
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printSettings = PSSVC.globalPrintSettings;
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let webBrowserPrint =
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containerWindow.QueryInterface(Ci.nsIInterfaceRequestor).
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getInterface(Ci.nsIWebBrowserPrint);
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let PPSVC = Cc["@mozilla.org/embedcomp/printingprompt-service;1"].
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getService(Ci.nsIPrintingPromptService);
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PPSVC.showPrintDialog(containerWindow, webBrowserPrint, printSettings);
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// XPCOM object should not in general be sent across processes. So we have to
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// copy out only the info PDFium needed and send it back to jsplugin process
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// for getting PDF file.
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let trimPrintSettings = {};
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trimPrintSettings.marginTop = printSettings.marginTop;
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trimPrintSettings.marginLeft = printSettings.marginLeft;
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trimPrintSettings.marginBottom = printSettings.marginBottom;
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trimPrintSettings.marginRight = printSettings.marginRight;
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trimPrintSettings.unwriteableMarginLeft =
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printSettings.unwriteableMarginLeft;
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trimPrintSettings.unwriteableMarginTop =
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printSettings.unwriteableMarginTop;
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trimPrintSettings.unwriteableMarginRight =
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printSettings.unwriteableMarginRight;
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trimPrintSettings.unwriteableMarginBottom =
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printSettings.unwriteableMarginBottom;
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trimPrintSettings.paperWidth = printSettings.paperWidth;
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trimPrintSettings.paperHeight = printSettings.paperHeight;
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trimPrintSettings.paperSizeUnit = printSettings.paperSizeUnit;
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trimPrintSettings.orientation = printSettings.orientation;
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trimPrintSettings.shrinkToFit = printSettings.shrinkToFit;
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trimPrintSettings.printInColor = printSettings.printInColor;
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trimPrintSettings.printRange = printSettings.printRange;
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trimPrintSettings.startPageRange = printSettings.startPageRange;
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trimPrintSettings.endPageRange = printSettings.endPageRange;
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mm.sendAsyncMessage("ppapipdf.js:printsettingschanged", {
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trimPrintSettings });
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});
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mm.addMessageListener("ppapipdf.js:printPDF", ({ data }) => {
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let file = Services.dirsvc.get(data.contentTempKey, Ci.nsIFile);
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file.append(data.fileName);
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if (!file.exists()) {
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return;
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}
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let webBrowserPrint =
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containerWindow.QueryInterface(Ci.nsIInterfaceRequestor).
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getInterface(Ci.nsIWebBrowserPrint);
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if (!webBrowserPrint || !webBrowserPrint.printPDF) {
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file.remove(false);
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return;
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}
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webBrowserPrint.printPDF(file.path, printSettings)
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.then(() => {
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file.remove(false);
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})
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.catch(() => {
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file.remove(false);
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});
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});
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mm.addMessageListener("ppapipdf.js:save", () => {
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let url = containerWindow.document.location;
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let filename = "document.pdf";
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