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Add options to custom print settings in printToPDF API.

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This commit is contained in:
Haojian Wu 2015-05-31 14:52:41 +08:00
parent 9cf9229308
commit ce8bbb689c
6 changed files with 40 additions and 11 deletions
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26
chromium_src/chrome/browser/printing/print_preview_message_handler.cc
View file

@ -199,7 +199,8 @@ bool PrintPreviewMessageHandler::OnMessageReceived(
return handled;
}
void PrintPreviewMessageHandler::HandleGetPreview(const base::ListValue* args) {
void PrintPreviewMessageHandler::HandleGetPreview(
const mate::Dictionary& options) {
static int request_id = 0;
request_id++;
// A simulated Chromium print preivew setting.
@ -212,7 +213,7 @@ void PrintPreviewMessageHandler::HandleGetPreview(const base::ListValue* args) {
\"width_microns\":210000, \
\"custom_display_name\":\"A4\" \
}, \
\"landscape\":true, \
\"landscape\":false, \
\"color\":2, \
\"headerFooterEnabled\":false, \
\"marginsType\":0, \
@ -229,7 +230,7 @@ void PrintPreviewMessageHandler::HandleGetPreview(const base::ListValue* args) {
\"duplex\":0, \
\"copies\":1, \
\"collate\":true, \
\"shouldPrintBackgrounds\":true, \
\"shouldPrintBackgrounds\":false, \
\"shouldPrintSelectionOnly\":false \
}";
@ -237,7 +238,26 @@ void PrintPreviewMessageHandler::HandleGetPreview(const base::ListValue* args) {
static_cast<base::DictionaryValue*>(
base::JSONReader::Read(setting_json_str)));
settings->SetInteger(printing::kPreviewRequestID, request_id);
// Default Print PDF settings:
int margins_type = 0; // DEFAULT_MARGINS
bool print_background = false;
bool print_selection_only = false;
bool is_landscape = false; // layout: true for portrait, false for landscape
if (!options.IsEmpty()) {
options.Get(printing::kSettingMarginsType, &margins_type);
options.Get(printing::kSettingShouldPrintBackgrounds, &print_background);
options.Get(printing::kSettingShouldPrintSelectionOnly,
&print_selection_only);
std::string layout;
options.Get("layout", &is_landscape);
}
settings->SetInteger(printing::kSettingMarginsType, margins_type);
settings->SetBoolean(printing::kSettingShouldPrintBackgrounds,
print_background);
settings->SetBoolean(printing::kSettingShouldPrintSelectionOnly,
print_selection_only);
settings->SetBoolean(printing::kSettingLandscape, is_landscape);
LOG(ERROR) << "Print preview request start";
content::RenderViewHost* rvh = web_contents()->GetRenderViewHost();
rvh->Send(new PrintMsg_PrintPreview(rvh->GetRoutingID(), *settings));

7
chromium_src/chrome/browser/printing/print_preview_message_handler.h
View file

@ -17,6 +17,10 @@ namespace content {
class WebContents;
}
namespace mate {
class Dictionary;
}
namespace gfx {
class Rect;
}
@ -37,8 +41,7 @@ class PrintPreviewMessageHandler
// Asks the initiator renderer to generate a preview. First element of |args|
// is a job settings JSON string.
void HandleGetPreview(const base::ListValue* args);
void HandleGetPreview(const mate::Dictionary& options);
private:
explicit PrintPreviewMessageHandler(content::WebContents* web_contents);
friend class content::WebContentsUserData<PrintPreviewMessageHandler>;