Merge PdfViewPluginBase into PdfViewWebPlugin.
Finish merging these 2 classes together. Delete all the code needed to
support communication between the 2 classes.
Bug: 1302059
Change-Id: Iefd0e792db933c53f48c059b53998582f6257e9d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3964862
Reviewed-by: K. Moon <kmoon@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1061163}
This commit is contained in:
Lei Zhang
committed by
Chromium LUCI CQ
Chromium LUCI CQ
parent
3a46dc3ced
commit
de81e050ec
@ -95,8 +95,6 @@ if (enable_pdf) {
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"pdf_transform.h",
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"pdf_utils/dates.cc",
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"pdf_utils/dates.h",
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"pdf_view_plugin_base.cc",
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"pdf_view_plugin_base.h",
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"pdfium/pdfium_api_string_buffer_adapter.cc",
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"pdfium/pdfium_api_string_buffer_adapter.h",
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"pdfium/pdfium_document.cc",
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@ -1,215 +0,0 @@
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// Copyright 2020 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "pdf/pdf_view_plugin_base.h"
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#include <algorithm>
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#include <cmath>
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#include <iterator>
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#include <memory>
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#include <sstream>
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#include <string>
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#include <utility>
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#include "base/bind.h"
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#include "base/callback.h"
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#include "base/check.h"
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#include "base/check_op.h"
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#include "base/containers/span.h"
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#include "base/cxx17_backports.h"
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#include "base/feature_list.h"
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#include "base/location.h"
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#include "base/memory/weak_ptr.h"
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#include "base/notreached.h"
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#include "base/numerics/safe_conversions.h"
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#include "base/strings/string_piece.h"
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#include "base/strings/string_util.h"
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#include "base/threading/thread_task_runner_handle.h"
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#include "base/time/time.h"
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#include "base/values.h"
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#include "pdf/accessibility.h"
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#include "pdf/accessibility_structs.h"
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#include "pdf/buildflags.h"
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#include "pdf/content_restriction.h"
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#include "pdf/document_layout.h"
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#include "pdf/document_metadata.h"
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#include "pdf/paint_ready_rect.h"
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#include "pdf/pdf_engine.h"
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#include "pdf/pdf_features.h"
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#include "pdf/pdfium/pdfium_engine.h"
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#include "pdf/pdfium/pdfium_form_filler.h"
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#include "pdf/ui/file_name.h"
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#include "third_party/abseil-cpp/absl/types/optional.h"
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#include "third_party/blink/public/common/input/web_input_event.h"
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#include "third_party/blink/public/common/input/web_mouse_event.h"
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#include "third_party/blink/public/common/input/web_touch_event.h"
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#include "third_party/skia/include/core/SkBitmap.h"
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#include "third_party/skia/include/core/SkImage.h"
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#include "third_party/skia/include/core/SkRefCnt.h"
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#include "ui/events/blink/blink_event_util.h"
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#include "ui/gfx/geometry/point.h"
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#include "ui/gfx/geometry/point_f.h"
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#include "ui/gfx/geometry/rect.h"
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#include "ui/gfx/geometry/size.h"
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#include "ui/gfx/geometry/skia_conversions.h"
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#include "ui/gfx/geometry/vector2d.h"
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#include "ui/gfx/geometry/vector2d_f.h"
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#include "url/gurl.h"
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namespace chrome_pdf {
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namespace {
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// A delay to wait between each accessibility page to keep the system
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// responsive.
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constexpr base::TimeDelta kAccessibilityPageDelay = base::Milliseconds(100);
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} // namespace
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PdfViewPluginBase::PdfViewPluginBase() = default;
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PdfViewPluginBase::~PdfViewPluginBase() = default;
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void PdfViewPluginBase::DocumentLoadComplete() {
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DCHECK_EQ(DocumentLoadState::kLoading, document_load_state());
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set_document_load_state(DocumentLoadState::kComplete);
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UserMetricsRecordAction("PDF.LoadSuccess");
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// Clear the focus state for on-screen keyboards.
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FormFieldFocusChange(PDFEngine::FocusFieldType::kNoFocus);
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if (IsPrintPreview())
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OnPrintPreviewLoaded();
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OnDocumentLoadComplete();
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if (!full_frame())
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return;
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DidStopLoading();
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SetContentRestrictions(GetContentRestrictions());
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}
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void PdfViewPluginBase::DocumentLoadFailed() {
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DCHECK_EQ(DocumentLoadState::kLoading, document_load_state());
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set_document_load_state(DocumentLoadState::kFailed);
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UserMetricsRecordAction("PDF.LoadFailure");
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// Send a progress value of -1 to indicate a failure.
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SendLoadingProgress(-1);
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DidStopLoading();
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paint_manager().InvalidateRect(gfx::Rect(plugin_rect().size()));
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}
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void PdfViewPluginBase::SelectionChanged(const gfx::Rect& left,
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const gfx::Rect& right) {
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gfx::PointF left_point(left.x() + available_area().x(), left.y());
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gfx::PointF right_point(right.x() + available_area().x(), right.y());
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const float inverse_scale = 1.0f / device_scale();
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left_point.Scale(inverse_scale);
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right_point.Scale(inverse_scale);
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NotifySelectionChanged(left_point, left.height() * inverse_scale, right_point,
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right.height() * inverse_scale);
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if (accessibility_state() == AccessibilityState::kLoaded)
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PrepareAndSetAccessibilityViewportInfo();
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}
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int PdfViewPluginBase::GetContentRestrictions() const {
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int content_restrictions = kContentRestrictionCut | kContentRestrictionPaste;
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if (!engine()->HasPermission(DocumentPermission::kCopy))
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content_restrictions |= kContentRestrictionCopy;
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if (!engine()->HasPermission(DocumentPermission::kPrintLowQuality) &&
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!engine()->HasPermission(DocumentPermission::kPrintHighQuality)) {
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content_restrictions |= kContentRestrictionPrint;
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}
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return content_restrictions;
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}
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AccessibilityDocInfo PdfViewPluginBase::GetAccessibilityDocInfo() const {
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AccessibilityDocInfo doc_info;
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doc_info.page_count = engine()->GetNumberOfPages();
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doc_info.text_accessible =
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engine()->HasPermission(DocumentPermission::kCopyAccessible);
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doc_info.text_copyable = engine()->HasPermission(DocumentPermission::kCopy);
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return doc_info;
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}
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void PdfViewPluginBase::PrepareAndSetAccessibilityPageInfo(int32_t page_index) {
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// Outdated calls are ignored.
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if (page_index != next_accessibility_page_index())
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return;
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increment_next_accessibility_page_index();
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AccessibilityPageInfo page_info;
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std::vector<AccessibilityTextRunInfo> text_runs;
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std::vector<AccessibilityCharInfo> chars;
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AccessibilityPageObjects page_objects;
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if (!GetAccessibilityInfo(engine(), page_index, page_info, text_runs, chars,
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page_objects)) {
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return;
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}
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SetAccessibilityPageInfo(std::move(page_info), std::move(text_runs),
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std::move(chars), std::move(page_objects));
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// Schedule loading the next page.
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base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
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FROM_HERE,
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base::BindOnce(&PdfViewPluginBase::PrepareAndSetAccessibilityPageInfo,
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GetWeakPtr(), page_index + 1),
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kAccessibilityPageDelay);
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}
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void PdfViewPluginBase::PrepareAndSetAccessibilityViewportInfo() {
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AccessibilityViewportInfo viewport_info;
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viewport_info.offset = gfx::ScaleToFlooredPoint(
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available_area().origin(), 1 / (device_scale() * zoom()));
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viewport_info.zoom = zoom();
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viewport_info.scale = device_scale();
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viewport_info.focus_info = {FocusObjectType::kNone, 0, 0};
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engine()->GetSelection(&viewport_info.selection_start_page_index,
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&viewport_info.selection_start_char_index,
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&viewport_info.selection_end_page_index,
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&viewport_info.selection_end_char_index);
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SetAccessibilityViewportInfo(std::move(viewport_info));
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}
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void PdfViewPluginBase::LoadAccessibility() {
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set_accessibility_state(AccessibilityState::kLoaded);
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// A new document layout will trigger the creation of a new accessibility
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// tree, so `next_accessibility_page_index_` should be reset to ignore
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// outdated asynchronous calls of PrepareAndSetAccessibilityPageInfo().
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reset_next_accessibility_page_index();
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SetAccessibilityDocInfo(GetAccessibilityDocInfo());
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// If the document contents isn't accessible, don't send anything more.
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if (!(engine()->HasPermission(DocumentPermission::kCopy) ||
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engine()->HasPermission(DocumentPermission::kCopyAccessible))) {
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return;
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}
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PrepareAndSetAccessibilityViewportInfo();
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// Schedule loading the first page.
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base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
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FROM_HERE,
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base::BindOnce(&PdfViewPluginBase::PrepareAndSetAccessibilityPageInfo,
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GetWeakPtr(), /*page_index=*/0),
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kAccessibilityPageDelay);
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}
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} // namespace chrome_pdf
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@ -1,159 +0,0 @@
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// Copyright 2020 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef PDF_PDF_VIEW_PLUGIN_BASE_H_
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#define PDF_PDF_VIEW_PLUGIN_BASE_H_
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#include <stdint.h>
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "base/callback.h"
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#include "base/memory/weak_ptr.h"
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#include "base/strings/string_piece.h"
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#include "base/values.h"
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#include "pdf/accessibility_structs.h"
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#include "pdf/paint_manager.h"
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#include "pdf/pdf_engine.h"
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#include "third_party/abseil-cpp/absl/types/optional.h"
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#include "third_party/blink/public/web/web_print_params.h"
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#include "third_party/skia/include/core/SkBitmap.h"
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#include "ui/gfx/geometry/rect.h"
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namespace gfx {
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class PointF;
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} // namespace gfx
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namespace chrome_pdf {
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class PDFiumEngine;
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struct AccessibilityCharInfo;
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struct AccessibilityDocInfo;
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struct AccessibilityPageInfo;
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struct AccessibilityPageObjects;
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struct AccessibilityTextRunInfo;
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struct AccessibilityViewportInfo;
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// TODO(crbug.com/1302059): Merge with PdfViewWebPlugin.
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class PdfViewPluginBase : public PDFEngine::Client {
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public:
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enum class AccessibilityState {
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kOff = 0, // Off.
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kPending, // Enabled but waiting for doc to load.
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kLoaded, // Fully loaded.
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};
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enum class DocumentLoadState {
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kLoading = 0,
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kComplete,
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kFailed,
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};
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PdfViewPluginBase(const PdfViewPluginBase& other) = delete;
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PdfViewPluginBase& operator=(const PdfViewPluginBase& other) = delete;
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// PDFEngine::Client:
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void DocumentLoadComplete() override;
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void DocumentLoadFailed() override;
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void SelectionChanged(const gfx::Rect& left, const gfx::Rect& right) override;
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protected:
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PdfViewPluginBase();
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~PdfViewPluginBase() override;
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virtual const PDFiumEngine* engine() const = 0;
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virtual PDFiumEngine* engine() = 0;
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// Gets a weak pointer with a lifetime matching the derived class.
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virtual base::WeakPtr<PdfViewPluginBase> GetWeakPtr() = 0;
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// Runs when document load completes in Print Preview, before
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// `OnDocumentLoadComplete()`.
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virtual void OnPrintPreviewLoaded() = 0;
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// Runs when document load completes.
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virtual void OnDocumentLoadComplete() = 0;
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// Sends the loading progress, where `percentage` represents the progress, or
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// -1 for loading error.
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virtual void SendLoadingProgress(double percentage) = 0;
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// Sets the accessibility information about the PDF document in the renderer.
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virtual void SetAccessibilityDocInfo(AccessibilityDocInfo doc_info) = 0;
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// Sets the accessibility information about the given `page_index` in the
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// renderer.
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void PrepareAndSetAccessibilityPageInfo(int32_t page_index);
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// Sets the accessibility information about the page in the renderer.
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virtual void SetAccessibilityPageInfo(
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AccessibilityPageInfo page_info,
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std::vector<AccessibilityTextRunInfo> text_runs,
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std::vector<AccessibilityCharInfo> chars,
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AccessibilityPageObjects page_objects) = 0;
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// Prepares the accessibility information about the current viewport. Calls
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// SetAccessibilityViewportInfo() internally to set this information in the
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// renderer. This is done once when accessibility is first loaded and again
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// when the geometry changes.
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void PrepareAndSetAccessibilityViewportInfo();
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// Sets the accessibility information about the current viewport in the
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// renderer.
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virtual void SetAccessibilityViewportInfo(
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AccessibilityViewportInfo viewport_info) = 0;
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// Disables browser commands because of restrictions on how the data is to be
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// used (i.e. can't copy/print). `content_restrictions` should have its bits
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// set by `chrome_pdf::ContentRestriction` enum values.
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virtual void SetContentRestrictions(int content_restrictions) = 0;
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// Sends start/stop loading notifications to the plugin's render frame.
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virtual void DidStartLoading() = 0;
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virtual void DidStopLoading() = 0;
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// Notifies the embedder of the top-left and bottom-right coordinates of the
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// current selection.
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virtual void NotifySelectionChanged(const gfx::PointF& left,
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int left_height,
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const gfx::PointF& right,
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int right_height) = 0;
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// Records user actions.
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virtual void UserMetricsRecordAction(const std::string& action) = 0;
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virtual PaintManager& paint_manager() = 0;
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virtual const gfx::Rect& available_area() const = 0;
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virtual double zoom() const = 0;
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virtual bool full_frame() const = 0;
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// TODO(crbug.com/1288847): Don't provide direct access to the origin of
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// `plugin_rect_`, as this exposes the unintuitive "paint offset."
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virtual const gfx::Rect& plugin_rect() const = 0;
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virtual float device_scale() const = 0;
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virtual DocumentLoadState document_load_state() const = 0;
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virtual void set_document_load_state(DocumentLoadState state) = 0;
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virtual AccessibilityState accessibility_state() const = 0;
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virtual void set_accessibility_state(AccessibilityState state) = 0;
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virtual int32_t next_accessibility_page_index() const = 0;
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virtual void increment_next_accessibility_page_index() = 0;
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virtual void reset_next_accessibility_page_index() = 0;
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// Starts loading accessibility information.
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void LoadAccessibility();
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// Gets the content restrictions based on the permissions which `engine_` has.
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int GetContentRestrictions() const;
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// Gets the accessibility doc info based on the information from `engine_`.
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AccessibilityDocInfo GetAccessibilityDocInfo() const;
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};
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} // namespace chrome_pdf
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#endif // PDF_PDF_VIEW_PLUGIN_BASE_H_
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@ -46,6 +46,7 @@
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#include "cc/paint/paint_image.h"
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#include "cc/paint/paint_image_builder.h"
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#include "net/cookies/site_for_cookies.h"
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#include "pdf/accessibility.h"
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#include "pdf/accessibility_structs.h"
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#include "pdf/buildflags.h"
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#include "pdf/content_restriction.h"
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@ -54,6 +55,7 @@
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#include "pdf/loader/url_loader.h"
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#include "pdf/metrics_handler.h"
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#include "pdf/mojom/pdf.mojom.h"
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#include "pdf/paint_manager.h"
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#include "pdf/paint_ready_rect.h"
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#include "pdf/parsed_params.h"
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#include "pdf/pdf_accessibility_data_handler.h"
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@ -121,6 +123,10 @@ namespace {
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// The minimum zoom level allowed.
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constexpr double kMinZoom = 0.01;
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// A delay to wait between each accessibility page to keep the system
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// responsive.
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constexpr base::TimeDelta kAccessibilityPageDelay = base::Milliseconds(100);
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constexpr base::TimeDelta kFindResultCooldown = base::Milliseconds(100);
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constexpr base::StringPiece kChromeExtensionHost =
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@ -284,16 +290,6 @@ PdfViewWebPlugin::PdfViewWebPlugin(
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PdfViewWebPlugin::~PdfViewWebPlugin() = default;
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// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
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const PDFiumEngine* PdfViewWebPlugin::engine() const {
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return engine_.get();
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}
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// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
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PDFiumEngine* PdfViewWebPlugin::engine() {
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return engine_.get();
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}
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bool PdfViewWebPlugin::Initialize(blink::WebPluginContainer* container) {
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DCHECK(container);
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client_->SetPluginContainer(container);
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@ -1034,6 +1030,35 @@ void PdfViewWebPlugin::DidFormOpen(int32_t result) {
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form_loader_.reset();
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}
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void PdfViewWebPlugin::DidStartLoading() {
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if (did_call_start_loading_)
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return;
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client_->DidStartLoading();
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did_call_start_loading_ = true;
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}
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void PdfViewWebPlugin::DidStopLoading() {
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if (!did_call_start_loading_)
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return;
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client_->DidStopLoading();
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did_call_start_loading_ = false;
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}
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|
||||
int PdfViewWebPlugin::GetContentRestrictions() const {
|
||||
int content_restrictions = kContentRestrictionCut | kContentRestrictionPaste;
|
||||
if (!engine_->HasPermission(DocumentPermission::kCopy))
|
||||
content_restrictions |= kContentRestrictionCopy;
|
||||
|
||||
if (!engine_->HasPermission(DocumentPermission::kPrintLowQuality) &&
|
||||
!engine_->HasPermission(DocumentPermission::kPrintHighQuality)) {
|
||||
content_restrictions |= kContentRestrictionPrint;
|
||||
}
|
||||
|
||||
return content_restrictions;
|
||||
}
|
||||
|
||||
std::unique_ptr<UrlLoader> PdfViewWebPlugin::CreateUrlLoader() {
|
||||
if (full_frame_) {
|
||||
DidStartLoading();
|
||||
@ -1041,7 +1066,8 @@ std::unique_ptr<UrlLoader> PdfViewWebPlugin::CreateUrlLoader() {
|
||||
// Disable save and print until the document is fully loaded, since they
|
||||
// would generate an incomplete document. This needs to be done each time
|
||||
// DidStartLoading() is called because that resets the content restrictions.
|
||||
SetContentRestrictions(kContentRestrictionSave | kContentRestrictionPrint);
|
||||
pdf_service_->UpdateContentRestrictions(kContentRestrictionSave |
|
||||
kContentRestrictionPrint);
|
||||
}
|
||||
|
||||
return std::make_unique<UrlLoader>(weak_factory_.GetWeakPtr());
|
||||
@ -1061,6 +1087,62 @@ PdfViewWebPlugin::SearchString(const char16_t* string,
|
||||
return results;
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::DocumentLoadComplete() {
|
||||
DCHECK_EQ(DocumentLoadState::kLoading, document_load_state_);
|
||||
document_load_state_ = DocumentLoadState::kComplete;
|
||||
|
||||
client_->RecordComputedAction("PDF.LoadSuccess");
|
||||
|
||||
// Clear the focus state for on-screen keyboards.
|
||||
FormFieldFocusChange(PDFEngine::FocusFieldType::kNoFocus);
|
||||
|
||||
if (IsPrintPreview()) {
|
||||
// Scroll location is retained across document loads in Print Preview, so
|
||||
// there's no need to override the scroll position by scrolling again.
|
||||
if (IsPreviewingPDF(print_preview_page_count_)) {
|
||||
SendPrintPreviewLoadedNotification();
|
||||
} else {
|
||||
DCHECK_EQ(0, print_preview_loaded_page_count_);
|
||||
print_preview_loaded_page_count_ = 1;
|
||||
engine_->AppendBlankPages(print_preview_page_count_);
|
||||
LoadNextPreviewPage();
|
||||
}
|
||||
|
||||
OnGeometryChanged(0, 0);
|
||||
if (!document_size_.IsEmpty())
|
||||
paint_manager_.InvalidateRect(gfx::Rect(plugin_rect_.size()));
|
||||
}
|
||||
|
||||
RecordDocumentMetrics();
|
||||
|
||||
SendAttachments();
|
||||
SendBookmarks();
|
||||
SendMetadata();
|
||||
|
||||
if (accessibility_state_ == AccessibilityState::kPending)
|
||||
LoadAccessibility();
|
||||
|
||||
if (!full_frame_)
|
||||
return;
|
||||
|
||||
DidStopLoading();
|
||||
pdf_service_->UpdateContentRestrictions(GetContentRestrictions());
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::DocumentLoadFailed() {
|
||||
DCHECK_EQ(DocumentLoadState::kLoading, document_load_state_);
|
||||
document_load_state_ = DocumentLoadState::kFailed;
|
||||
|
||||
client_->RecordComputedAction("PDF.LoadFailure");
|
||||
|
||||
// Send a progress value of -1 to indicate a failure.
|
||||
SendLoadingProgress(-1);
|
||||
|
||||
DidStopLoading();
|
||||
|
||||
paint_manager_.InvalidateRect(gfx::Rect(plugin_rect_.size()));
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::DocumentHasUnsupportedFeature(
|
||||
const std::string& feature) {
|
||||
DCHECK(!feature.empty());
|
||||
@ -1127,6 +1209,22 @@ void PdfViewWebPlugin::SetIsSelecting(bool is_selecting) {
|
||||
client_->PostMessage(std::move(message));
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::SelectionChanged(const gfx::Rect& left,
|
||||
const gfx::Rect& right) {
|
||||
gfx::PointF left_point(left.x() + available_area_.x(), left.y());
|
||||
gfx::PointF right_point(right.x() + available_area_.x(), right.y());
|
||||
|
||||
const float inverse_scale = 1.0f / device_scale_;
|
||||
left_point.Scale(inverse_scale);
|
||||
right_point.Scale(inverse_scale);
|
||||
|
||||
pdf_service_->SelectionChanged(left_point, left.height() * inverse_scale,
|
||||
right_point, right.height() * inverse_scale);
|
||||
|
||||
if (accessibility_state_ == AccessibilityState::kLoaded)
|
||||
PrepareAndSetAccessibilityViewportInfo();
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::EnteredEditMode() {
|
||||
edit_mode_ = true;
|
||||
pdf_service_->SetPluginCanSave(true);
|
||||
@ -1202,12 +1300,7 @@ PdfViewWebPlugin::CreateAssociatedURLLoader(
|
||||
void PdfViewWebPlugin::OnMessage(const base::Value::Dict& message) {
|
||||
using MessageHandler = void (PdfViewWebPlugin::*)(const base::Value::Dict&);
|
||||
|
||||
// Settings this as const instead of constexpr to workaround a bug
|
||||
// in GCC, that will try to reinterpret_cast the method pointers.
|
||||
// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105996
|
||||
// TODO(crbug.com/1302059): make it constexpr again when we get rid
|
||||
// of PdfViewPluginBase
|
||||
static const auto kMessageHandlers =
|
||||
static constexpr auto kMessageHandlers =
|
||||
base::MakeFixedFlatMap<base::StringPiece, MessageHandler>({
|
||||
{"displayAnnotations",
|
||||
&PdfViewWebPlugin::HandleDisplayAnnotationsMessage},
|
||||
@ -1820,167 +1913,6 @@ void PdfViewWebPlugin::HandleAccessibilityAction(
|
||||
engine_->HandleAccessibilityAction(action_data);
|
||||
}
|
||||
|
||||
base::WeakPtr<PdfViewPluginBase> PdfViewWebPlugin::GetWeakPtr() {
|
||||
return weak_factory_.GetWeakPtr();
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::OnPrintPreviewLoaded() {
|
||||
// Scroll location is retained across document loads in Print Preview, so
|
||||
// there's no need to override the scroll position by scrolling again.
|
||||
if (IsPreviewingPDF(print_preview_page_count_)) {
|
||||
SendPrintPreviewLoadedNotification();
|
||||
} else {
|
||||
DCHECK_EQ(0, print_preview_loaded_page_count_);
|
||||
print_preview_loaded_page_count_ = 1;
|
||||
engine_->AppendBlankPages(print_preview_page_count_);
|
||||
LoadNextPreviewPage();
|
||||
}
|
||||
|
||||
OnGeometryChanged(0, 0);
|
||||
if (!document_size_.IsEmpty())
|
||||
paint_manager_.InvalidateRect(gfx::Rect(plugin_rect_.size()));
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::OnDocumentLoadComplete() {
|
||||
RecordDocumentMetrics();
|
||||
|
||||
SendAttachments();
|
||||
SendBookmarks();
|
||||
SendMetadata();
|
||||
|
||||
if (accessibility_state_ == AccessibilityState::kPending)
|
||||
LoadAccessibility();
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::SendLoadingProgress(double percentage) {
|
||||
DCHECK(percentage == -1 || (percentage >= 0 && percentage <= 100));
|
||||
last_progress_sent_ = percentage;
|
||||
|
||||
base::Value::Dict message;
|
||||
message.Set("type", "loadProgress");
|
||||
message.Set("progress", percentage);
|
||||
client_->PostMessage(std::move(message));
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::SetAccessibilityDocInfo(AccessibilityDocInfo doc_info) {
|
||||
pdf_accessibility_data_handler_->SetAccessibilityDocInfo(std::move(doc_info));
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::SetAccessibilityPageInfo(
|
||||
AccessibilityPageInfo page_info,
|
||||
std::vector<AccessibilityTextRunInfo> text_runs,
|
||||
std::vector<AccessibilityCharInfo> chars,
|
||||
AccessibilityPageObjects page_objects) {
|
||||
pdf_accessibility_data_handler_->SetAccessibilityPageInfo(
|
||||
std::move(page_info), std::move(text_runs), std::move(chars),
|
||||
std::move(page_objects));
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::SetAccessibilityViewportInfo(
|
||||
AccessibilityViewportInfo viewport_info) {
|
||||
pdf_accessibility_data_handler_->SetAccessibilityViewportInfo(
|
||||
std::move(viewport_info));
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::SetContentRestrictions(int content_restrictions) {
|
||||
pdf_service_->UpdateContentRestrictions(content_restrictions);
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::DidStartLoading() {
|
||||
if (did_call_start_loading_)
|
||||
return;
|
||||
|
||||
client_->DidStartLoading();
|
||||
did_call_start_loading_ = true;
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::DidStopLoading() {
|
||||
if (!did_call_start_loading_)
|
||||
return;
|
||||
|
||||
client_->DidStopLoading();
|
||||
did_call_start_loading_ = false;
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::NotifySelectionChanged(const gfx::PointF& left,
|
||||
int left_height,
|
||||
const gfx::PointF& right,
|
||||
int right_height) {
|
||||
pdf_service_->SelectionChanged(left, left_height, right, right_height);
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
void PdfViewWebPlugin::UserMetricsRecordAction(const std::string& action) {
|
||||
client_->RecordComputedAction(action);
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
PaintManager& PdfViewWebPlugin::paint_manager() {
|
||||
return paint_manager_;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
const gfx::Rect& PdfViewWebPlugin::available_area() const {
|
||||
return available_area_;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
double PdfViewWebPlugin::zoom() const {
|
||||
return zoom_;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
bool PdfViewWebPlugin::full_frame() const {
|
||||
return full_frame_;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
const gfx::Rect& PdfViewWebPlugin::plugin_rect() const {
|
||||
return plugin_rect_;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
float PdfViewWebPlugin::device_scale() const {
|
||||
return device_scale_;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
PdfViewPluginBase::DocumentLoadState PdfViewWebPlugin::document_load_state()
|
||||
const {
|
||||
return document_load_state_;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
void PdfViewWebPlugin::set_document_load_state(DocumentLoadState state) {
|
||||
document_load_state_ = state;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
PdfViewPluginBase::AccessibilityState PdfViewWebPlugin::accessibility_state()
|
||||
const {
|
||||
return accessibility_state_;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
void PdfViewWebPlugin::set_accessibility_state(AccessibilityState state) {
|
||||
accessibility_state_ = state;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
int32_t PdfViewWebPlugin::next_accessibility_page_index() const {
|
||||
return next_accessibility_page_index_;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
void PdfViewWebPlugin::increment_next_accessibility_page_index() {
|
||||
++next_accessibility_page_index_;
|
||||
}
|
||||
|
||||
// TODO(crbug.com/1302059): Delete after merging with `PdfViewPluginBase`.
|
||||
void PdfViewWebPlugin::reset_next_accessibility_page_index() {
|
||||
next_accessibility_page_index_ = 0;
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::OnViewportChanged(
|
||||
const gfx::Rect& new_plugin_rect_in_css_pixel,
|
||||
float new_device_scale) {
|
||||
@ -2222,6 +2154,16 @@ void PdfViewWebPlugin::SendMetadata() {
|
||||
client_->PostMessage(std::move(message));
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::SendLoadingProgress(double percentage) {
|
||||
DCHECK(percentage == -1 || (percentage >= 0 && percentage <= 100));
|
||||
last_progress_sent_ = percentage;
|
||||
|
||||
base::Value::Dict message;
|
||||
message.Set("type", "loadProgress");
|
||||
message.Set("progress", percentage);
|
||||
client_->PostMessage(std::move(message));
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::HandleResetPrintPreviewModeMessage(
|
||||
const base::Value::Dict& message) {
|
||||
const std::string& url = *message.FindString("url");
|
||||
@ -2382,4 +2324,84 @@ gfx::Point PdfViewWebPlugin::FrameToPdfCoordinates(
|
||||
gfx::Vector2d(available_area_.x(), 0);
|
||||
}
|
||||
|
||||
AccessibilityDocInfo PdfViewWebPlugin::GetAccessibilityDocInfo() const {
|
||||
AccessibilityDocInfo doc_info;
|
||||
doc_info.page_count = engine_->GetNumberOfPages();
|
||||
doc_info.text_accessible =
|
||||
engine_->HasPermission(DocumentPermission::kCopyAccessible);
|
||||
doc_info.text_copyable = engine_->HasPermission(DocumentPermission::kCopy);
|
||||
return doc_info;
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::PrepareAndSetAccessibilityPageInfo(int32_t page_index) {
|
||||
// Outdated calls are ignored.
|
||||
if (page_index != next_accessibility_page_index_)
|
||||
return;
|
||||
++next_accessibility_page_index_;
|
||||
|
||||
AccessibilityPageInfo page_info;
|
||||
std::vector<AccessibilityTextRunInfo> text_runs;
|
||||
std::vector<AccessibilityCharInfo> chars;
|
||||
AccessibilityPageObjects page_objects;
|
||||
|
||||
if (!GetAccessibilityInfo(engine_.get(), page_index, page_info, text_runs,
|
||||
chars, page_objects)) {
|
||||
return;
|
||||
}
|
||||
|
||||
pdf_accessibility_data_handler_->SetAccessibilityPageInfo(
|
||||
std::move(page_info), std::move(text_runs), std::move(chars),
|
||||
std::move(page_objects));
|
||||
|
||||
// Schedule loading the next page.
|
||||
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
|
||||
FROM_HERE,
|
||||
base::BindOnce(&PdfViewWebPlugin::PrepareAndSetAccessibilityPageInfo,
|
||||
weak_factory_.GetWeakPtr(), page_index + 1),
|
||||
kAccessibilityPageDelay);
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::PrepareAndSetAccessibilityViewportInfo() {
|
||||
AccessibilityViewportInfo viewport_info;
|
||||
viewport_info.offset = gfx::ScaleToFlooredPoint(available_area_.origin(),
|
||||
1 / (device_scale_ * zoom_));
|
||||
viewport_info.zoom = zoom_;
|
||||
viewport_info.scale = device_scale_;
|
||||
viewport_info.focus_info = {FocusObjectType::kNone, 0, 0};
|
||||
|
||||
engine_->GetSelection(&viewport_info.selection_start_page_index,
|
||||
&viewport_info.selection_start_char_index,
|
||||
&viewport_info.selection_end_page_index,
|
||||
&viewport_info.selection_end_char_index);
|
||||
|
||||
pdf_accessibility_data_handler_->SetAccessibilityViewportInfo(
|
||||
std::move(viewport_info));
|
||||
}
|
||||
|
||||
void PdfViewWebPlugin::LoadAccessibility() {
|
||||
accessibility_state_ = AccessibilityState::kLoaded;
|
||||
|
||||
// A new document layout will trigger the creation of a new accessibility
|
||||
// tree, so `next_accessibility_page_index_` should be reset to ignore
|
||||
// outdated asynchronous calls of PrepareAndSetAccessibilityPageInfo().
|
||||
next_accessibility_page_index_ = 0;
|
||||
pdf_accessibility_data_handler_->SetAccessibilityDocInfo(
|
||||
GetAccessibilityDocInfo());
|
||||
|
||||
// If the document contents isn't accessible, don't send anything more.
|
||||
if (!(engine_->HasPermission(DocumentPermission::kCopy) ||
|
||||
engine_->HasPermission(DocumentPermission::kCopyAccessible))) {
|
||||
return;
|
||||
}
|
||||
|
||||
PrepareAndSetAccessibilityViewportInfo();
|
||||
|
||||
// Schedule loading the first page.
|
||||
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
|
||||
FROM_HERE,
|
||||
base::BindOnce(&PdfViewWebPlugin::PrepareAndSetAccessibilityPageInfo,
|
||||
weak_factory_.GetWeakPtr(), /*page_index=*/0),
|
||||
kAccessibilityPageDelay);
|
||||
}
|
||||
|
||||
} // namespace chrome_pdf
|
||||
|
||||
@ -22,11 +22,12 @@
|
||||
#include "cc/paint/paint_image.h"
|
||||
#include "mojo/public/cpp/bindings/associated_remote.h"
|
||||
#include "mojo/public/cpp/bindings/receiver.h"
|
||||
#include "pdf/accessibility_structs.h"
|
||||
#include "pdf/loader/url_loader.h"
|
||||
#include "pdf/mojom/pdf.mojom.h"
|
||||
#include "pdf/paint_manager.h"
|
||||
#include "pdf/pdf_accessibility_action_handler.h"
|
||||
#include "pdf/pdf_engine.h"
|
||||
#include "pdf/pdf_view_plugin_base.h"
|
||||
#include "pdf/pdfium/pdfium_form_filler.h"
|
||||
#include "pdf/post_message_receiver.h"
|
||||
#include "pdf/preview_mode_client.h"
|
||||
@ -37,6 +38,7 @@
|
||||
#include "third_party/blink/public/web/web_plugin_container.h"
|
||||
#include "third_party/blink/public/web/web_plugin_params.h"
|
||||
#include "third_party/blink/public/web/web_print_params.h"
|
||||
#include "third_party/skia/include/core/SkBitmap.h"
|
||||
#include "third_party/skia/include/core/SkColor.h"
|
||||
#include "ui/base/cursor/mojom/cursor_type.mojom-shared.h"
|
||||
#include "ui/gfx/geometry/rect.h"
|
||||
@ -73,7 +75,7 @@ class PDFiumEngine;
|
||||
class PdfAccessibilityDataHandler;
|
||||
class Thumbnail;
|
||||
|
||||
class PdfViewWebPlugin final : public PdfViewPluginBase,
|
||||
class PdfViewWebPlugin final : public PDFEngine::Client,
|
||||
public blink::WebPlugin,
|
||||
public pdf::mojom::PdfListener,
|
||||
public UrlLoader::Client,
|
||||
@ -86,6 +88,12 @@ class PdfViewWebPlugin final : public PdfViewPluginBase,
|
||||
// and is also enforced in chrome/browser/resources/pdf/pdf_viewer.ts.
|
||||
static constexpr size_t kMaximumSavedFileSize = 100 * 1000 * 1000;
|
||||
|
||||
enum class DocumentLoadState {
|
||||
kLoading = 0,
|
||||
kComplete,
|
||||
kFailed,
|
||||
};
|
||||
|
||||
// Must match `SaveRequestType` in chrome/browser/resources/pdf/constants.ts.
|
||||
enum class SaveRequestType {
|
||||
kAnnotation = 0,
|
||||
@ -323,12 +331,15 @@ class PdfViewWebPlugin final : public PdfViewPluginBase,
|
||||
std::vector<SearchStringResult> SearchString(const char16_t* string,
|
||||
const char16_t* term,
|
||||
bool case_sensitive) override;
|
||||
void DocumentLoadComplete() override;
|
||||
void DocumentLoadFailed() override;
|
||||
void DocumentHasUnsupportedFeature(const std::string& feature) override;
|
||||
void DocumentLoadProgress(uint32_t available, uint32_t doc_size) override;
|
||||
void FormFieldFocusChange(PDFEngine::FocusFieldType type) override;
|
||||
bool IsPrintPreview() const override;
|
||||
SkColor GetBackgroundColor() const override;
|
||||
void SetIsSelecting(bool is_selecting) override;
|
||||
void SelectionChanged(const gfx::Rect& left, const gfx::Rect& right) override;
|
||||
void CaretChanged(const gfx::Rect& caret_rect) override;
|
||||
void EnteredEditMode() override;
|
||||
void DocumentFocusChanged(bool document_has_focus) override;
|
||||
@ -392,43 +403,6 @@ class PdfViewWebPlugin final : public PdfViewPluginBase,
|
||||
return GetAccessibilityDocInfo();
|
||||
}
|
||||
|
||||
protected:
|
||||
// PdfViewPluginBase:
|
||||
const PDFiumEngine* engine() const override;
|
||||
PDFiumEngine* engine() override;
|
||||
base::WeakPtr<PdfViewPluginBase> GetWeakPtr() override;
|
||||
void OnPrintPreviewLoaded() override;
|
||||
void OnDocumentLoadComplete() override;
|
||||
void SendLoadingProgress(double percentage) override;
|
||||
void SetAccessibilityDocInfo(AccessibilityDocInfo doc_info) override;
|
||||
void SetAccessibilityPageInfo(AccessibilityPageInfo page_info,
|
||||
std::vector<AccessibilityTextRunInfo> text_runs,
|
||||
std::vector<AccessibilityCharInfo> chars,
|
||||
AccessibilityPageObjects page_objects) override;
|
||||
void SetAccessibilityViewportInfo(
|
||||
AccessibilityViewportInfo viewport_info) override;
|
||||
void SetContentRestrictions(int content_restrictions) override;
|
||||
void DidStartLoading() override;
|
||||
void DidStopLoading() override;
|
||||
void NotifySelectionChanged(const gfx::PointF& left,
|
||||
int left_height,
|
||||
const gfx::PointF& right,
|
||||
int right_height) override;
|
||||
void UserMetricsRecordAction(const std::string& action) override;
|
||||
PaintManager& paint_manager() override;
|
||||
const gfx::Rect& available_area() const override;
|
||||
double zoom() const override;
|
||||
bool full_frame() const override;
|
||||
const gfx::Rect& plugin_rect() const override;
|
||||
float device_scale() const override;
|
||||
DocumentLoadState document_load_state() const override;
|
||||
void set_document_load_state(DocumentLoadState state) override;
|
||||
AccessibilityState accessibility_state() const override;
|
||||
void set_accessibility_state(AccessibilityState state) override;
|
||||
int32_t next_accessibility_page_index() const override;
|
||||
void increment_next_accessibility_page_index() override;
|
||||
void reset_next_accessibility_page_index() override;
|
||||
|
||||
private:
|
||||
// Callback that runs after `LoadUrl()`. The `loader` is the loader used to
|
||||
// load the URL, and `result` is the result code for the load.
|
||||
@ -436,6 +410,12 @@ class PdfViewWebPlugin final : public PdfViewPluginBase,
|
||||
base::OnceCallback<void(std::unique_ptr<UrlLoader> loader,
|
||||
int32_t result)>;
|
||||
|
||||
enum class AccessibilityState {
|
||||
kOff = 0, // Off.
|
||||
kPending, // Enabled but waiting for doc to load.
|
||||
kLoaded, // Fully loaded.
|
||||
};
|
||||
|
||||
struct BackgroundPart {
|
||||
gfx::Rect location;
|
||||
uint32_t color;
|
||||
@ -471,6 +451,13 @@ class PdfViewWebPlugin final : public PdfViewPluginBase,
|
||||
// Handles `Open()` result for `form_loader_`.
|
||||
void DidFormOpen(int32_t result);
|
||||
|
||||
// Sends start/stop loading notifications to the plugin's render frame.
|
||||
void DidStartLoading();
|
||||
void DidStopLoading();
|
||||
|
||||
// Gets the content restrictions based on the permissions which `engine_` has.
|
||||
int GetContentRestrictions() const;
|
||||
|
||||
// Message handlers.
|
||||
void HandleDisplayAnnotationsMessage(const base::Value::Dict& message);
|
||||
void HandleGetNamedDestinationMessage(const base::Value::Dict& message);
|
||||
@ -572,6 +559,10 @@ class PdfViewWebPlugin final : public PdfViewPluginBase,
|
||||
// Send document metadata data.
|
||||
void SendMetadata();
|
||||
|
||||
// Sends the loading progress, where `percentage` represents the progress, or
|
||||
// -1 for loading error.
|
||||
void SendLoadingProgress(double percentage);
|
||||
|
||||
// Handles message for resetting Print Preview.
|
||||
void HandleResetPrintPreviewModeMessage(const base::Value::Dict& message);
|
||||
|
||||
@ -596,6 +587,21 @@ class PdfViewWebPlugin final : public PdfViewPluginBase,
|
||||
// Converts `frame_coordinates` to PDF coordinates.
|
||||
gfx::Point FrameToPdfCoordinates(const gfx::PointF& frame_coordinates) const;
|
||||
|
||||
// Gets the accessibility doc info based on the information from `engine_`.
|
||||
AccessibilityDocInfo GetAccessibilityDocInfo() const;
|
||||
|
||||
// Sets the accessibility information about the given `page_index` in the
|
||||
// renderer.
|
||||
void PrepareAndSetAccessibilityPageInfo(int32_t page_index);
|
||||
|
||||
// Prepares the accessibility information about the current viewport. This is
|
||||
// done once when accessibility is first loaded and again when the geometry
|
||||
// changes.
|
||||
void PrepareAndSetAccessibilityViewportInfo();
|
||||
|
||||
// Starts loading accessibility information.
|
||||
void LoadAccessibility();
|
||||
|
||||
blink::WebString selected_text_;
|
||||
|
||||
std::unique_ptr<Client> const client_;
|
||||
|
||||
Reference in New Issue
Block a user