99f2bab4a4
* refactor: avoid repeating the return type from the declaration; use a braced initializer list instead [modernize-return-braced-init-list] Co-authored-by: Charles Kerr <charles@charleskerr.com> * refactor: avoid repeating the return type from the declaration; use a braced initializer list instead [modernize-return-braced-init-list] NB: using the braced-initializer list uncovered an error here: the float returned by std::floor() can't be implicitly cast to an int. This is solved by using base::ClampFloor<int>() instead. std::floor() Co-authored-by: Charles Kerr <charles@charleskerr.com> --------- Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com> Co-authored-by: Charles Kerr <charles@charleskerr.com>
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
// Copyright (c) 2018 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/renderer/printing/print_render_frame_helper_delegate.h"
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#include <utility>
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#include "content/public/renderer/render_frame.h"
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#include "electron/buildflags/buildflags.h"
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#include "third_party/blink/public/web/web_element.h"
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#include "third_party/blink/public/web/web_local_frame.h"
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#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
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#include "components/pdf/common/pdf_util.h"
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#include "extensions/common/constants.h"
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#include "extensions/renderer/guest_view/mime_handler_view/post_message_support.h"
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#endif // BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
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namespace electron {
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PrintRenderFrameHelperDelegate::PrintRenderFrameHelperDelegate() = default;
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PrintRenderFrameHelperDelegate::~PrintRenderFrameHelperDelegate() = default;
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// Return the PDF object element if |frame| is the out of process PDF extension.
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blink::WebElement PrintRenderFrameHelperDelegate::GetPdfElement(
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blink::WebLocalFrame* frame) {
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#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
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if (frame->Parent() &&
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IsPdfInternalPluginAllowedOrigin(frame->Parent()->GetSecurityOrigin())) {
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auto plugin_element = frame->GetDocument().QuerySelector("embed");
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DCHECK(!plugin_element.IsNull());
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return plugin_element;
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}
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#endif // BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
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return {};
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}
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bool PrintRenderFrameHelperDelegate::IsPrintPreviewEnabled() {
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return false;
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}
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bool PrintRenderFrameHelperDelegate::OverridePrint(
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blink::WebLocalFrame* frame) {
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#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
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auto* post_message_support =
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extensions::PostMessageSupport::FromWebLocalFrame(frame);
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if (post_message_support) {
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// This message is handled in chrome/browser/resources/pdf/pdf_viewer.js and
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// instructs the PDF plugin to print. This is to make window.print() on a
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// PDF plugin document correctly print the PDF. See
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// https://crbug.com/448720.
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base::Value::Dict message;
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message.Set("type", "print");
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post_message_support->PostMessageFromValue(base::Value(std::move(message)));
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return true;
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}
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#endif // BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
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return false;
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}
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} // namespace electron
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