This source file includes following definitions.
- QuerySupportedFormats
- Begin
- PrintPages
- End
- IsScalingDisabled
- IsAvailable
- GetDefaultPrintSettings
#include "ppapi/cpp/dev/printing_dev.h"
#include "ppapi/c/dev/ppb_printing_dev.h"
#include "ppapi/cpp/instance.h"
#include "ppapi/cpp/instance_handle.h"
#include "ppapi/cpp/module.h"
#include "ppapi/cpp/module_impl.h"
namespace pp {
namespace {
static const char kPPPPrintingInterface[] = PPP_PRINTING_DEV_INTERFACE;
template <> const char* interface_name<PPB_Printing_Dev_0_7>() {
return PPB_PRINTING_DEV_INTERFACE_0_7;
}
uint32_t QuerySupportedFormats(PP_Instance instance) {
void* object =
Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
if (!object)
return 0;
return static_cast<Printing_Dev*>(object)->QuerySupportedPrintOutputFormats();
}
int32_t Begin(PP_Instance instance,
const struct PP_PrintSettings_Dev* print_settings) {
void* object =
Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
if (!object)
return 0;
return static_cast<Printing_Dev*>(object)->PrintBegin(*print_settings);
}
PP_Resource PrintPages(PP_Instance instance,
const struct PP_PrintPageNumberRange_Dev* page_ranges,
uint32_t page_range_count) {
void* object =
pp::Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
if (!object)
return 0;
return static_cast<Printing_Dev*>(object)->PrintPages(
page_ranges, page_range_count).detach();
}
void End(PP_Instance instance) {
void* object =
pp::Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
if (object)
static_cast<Printing_Dev*>(object)->PrintEnd();
}
PP_Bool IsScalingDisabled(PP_Instance instance) {
void* object =
pp::Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
if (!object)
return PP_FALSE;
bool return_value =
static_cast<Printing_Dev*>(object)->IsPrintScalingDisabled();
return PP_FromBool(return_value);
}
const PPP_Printing_Dev ppp_printing = {
&QuerySupportedFormats,
&Begin,
&PrintPages,
&End,
&IsScalingDisabled
};
}
Printing_Dev::Printing_Dev(Instance* instance)
: associated_instance_(instance) {
Module::Get()->AddPluginInterface(kPPPPrintingInterface, &ppp_printing);
instance->AddPerInstanceObject(
kPPPPrintingInterface, this);
if (has_interface<PPB_Printing_Dev_0_7>()) {
PassRefFromConstructor(get_interface<PPB_Printing_Dev_0_7>()->Create(
associated_instance_.pp_instance()));
}
}
Printing_Dev::~Printing_Dev() {
Instance::RemovePerInstanceObject(associated_instance_,
kPPPPrintingInterface, this);
}
bool Printing_Dev::IsAvailable() {
return has_interface<PPB_Printing_Dev_0_7>();
}
int32_t Printing_Dev::GetDefaultPrintSettings(
const CompletionCallbackWithOutput<PP_PrintSettings_Dev>& callback) const {
if (has_interface<PPB_Printing_Dev_0_7>()) {
return get_interface<PPB_Printing_Dev_0_7>()->GetDefaultPrintSettings(
pp_resource(), callback.output(), callback.pp_completion_callback());
}
return callback.MayForce(PP_ERROR_NOINTERFACE);
}
}