FPDF_PAGE EmbedderTest::LoadAndCachePage(int page_number) {
FPDF_PAGE page = delegate_->GetPage(form_handle_, document_, page_number);
if (!page) {
return nullptr;
}
FORM_DoPageAAction(page, form_handle_, FPDFPAGE_AACTION_OPEN);
return page;
}
FPDF_PAGE EmbedderTest::LoadPage(int page_number) {
FPDF_PAGE page = FPDF_LoadPage(document_, page_number);
if (!page) {
return nullptr;
}
FORM_OnAfterLoadPage(page, form_handle_);
FORM_DoPageAAction(page, form_handle_, FPDFPAGE_AACTION_OPEN);
return page;
}
void EmbedderTest::UnloadPage(FPDF_PAGE page) {
FORM_DoPageAAction(page, form_handle_, FPDFPAGE_AACTION_CLOSE);
FORM_OnBeforeClosePage(page, form_handle_);
FPDF_ClosePage(page);
auto it = page_reverse_map_.find(page);
if (it == page_reverse_map_.end())
return;
page_map_.erase(it->second);
page_reverse_map_.erase(it);
}
FPDF_PAGE EmbedderTest::LoadPage(int page_number) {
// First check whether it is loaded already.
auto it = page_map_.find(page_number);
if (it != page_map_.end())
return it->second;
FPDF_PAGE page = FPDF_LoadPage(document_, page_number);
if (!page) {
return nullptr;
}
FORM_OnAfterLoadPage(page, form_handle_);
FORM_DoPageAAction(page, form_handle_, FPDFPAGE_AACTION_OPEN);
// Cache the page.
page_map_[page_number] = page;
page_reverse_map_[page] = page_number;
return page;
}
void EmbedderTest::UnloadPage(FPDF_PAGE page) {
FORM_DoPageAAction(page, form_handle_, FPDFPAGE_AACTION_CLOSE);
FORM_OnBeforeClosePage(page, form_handle_);
FPDF_ClosePage(page);
}
