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Add print preview support (see issue #123)

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Pass the `--enable-print-preview` command-line flag to enable. Currently only
supported on Windows and Linux.
This commit is contained in:
Ananyo Maiti
2019-07-17 14:47:27 -04:00
committed by Marshall Greenblatt
parent cf87c88b05
commit 1669c0afbd
49 changed files with 1098 additions and 1425 deletions
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31
libcef/browser/chrome_browser_process_stub.cc
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@@ -16,7 +16,9 @@
#include "base/command_line.h"
#include "chrome/browser/net/system_network_context_manager.h"
#include "chrome/browser/policy/chrome_browser_policy_connector.h"
#include "chrome/browser/printing/background_printing_manager.h"
#include "chrome/browser/printing/print_job_manager.h"
#include "chrome/browser/printing/print_preview_dialog_controller.h"
#include "chrome/browser/ui/prefs/pref_watcher.h"
#include "components/net_log/chrome_net_log.h"
#include "components/net_log/net_export_file_writer.h"
@@ -58,7 +60,6 @@ void ChromeBrowserProcessStub::OnContextInitialized() {
print_job_manager_.reset(new printing::PrintJobManager());
profile_manager_.reset(new ChromeProfileManagerStub());
event_router_forwarder_ = new extensions::EventRouterForwarder();
context_initialized_ = true;
}
@@ -73,6 +74,7 @@ void ChromeBrowserProcessStub::Shutdown() {
// tasks to run once teardown has started.
print_job_manager_->Shutdown();
print_job_manager_.reset(NULL);
print_preview_dialog_controller_ = NULL;
profile_manager_.reset();
event_router_forwarder_ = nullptr;
@@ -81,17 +83,26 @@ void ChromeBrowserProcessStub::Shutdown() {
SystemNetworkContextManager::DeleteInstance();
}
// Release any references to |local_state_| that are held by objects
// associated with a Profile. The Profile will be deleted later.
// Release any references held by objects associated with a Profile. The
// Profile will be deleted later.
for (const auto& profile : CefBrowserContext::GetAll()) {
// Release any references to |local_state_|.
PrefWatcher* pref_watcher = PrefWatcher::Get(profile);
if (pref_watcher)
pref_watcher->Shutdown();
// Unregister observers for |background_printing_manager_|.
if (background_printing_manager_) {
background_printing_manager_->DeletePreviewContentsForBrowserContext(
profile);
}
}
local_state_.reset();
browser_policy_connector_.reset();
background_printing_manager_.reset();
shutdown_ = true;
}
@@ -254,14 +265,20 @@ printing::PrintJobManager* ChromeBrowserProcessStub::print_job_manager() {
printing::PrintPreviewDialogController*
ChromeBrowserProcessStub::print_preview_dialog_controller() {
NOTREACHED();
return NULL;
if (!print_preview_dialog_controller_.get()) {
print_preview_dialog_controller_ =
new printing::PrintPreviewDialogController();
}
return print_preview_dialog_controller_.get();
}
printing::BackgroundPrintingManager*
ChromeBrowserProcessStub::background_printing_manager() {
NOTREACHED();
return NULL;
if (!background_printing_manager_.get()) {
background_printing_manager_.reset(
new printing::BackgroundPrintingManager());
}
return background_printing_manager_.get();
}
IntranetRedirectDetector*