refactor: rename the atom directory to shell
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Samuel Attard
Samuel Attard
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4575a4aae3
commit
d7f07e8a80
631 changed files with 0 additions and 0 deletions
231
shell/browser/ui/webui/pdf_viewer_handler.cc
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231
shell/browser/ui/webui/pdf_viewer_handler.cc
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// Copyright (c) 2017 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 "atom/browser/ui/webui/pdf_viewer_handler.h"
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#include <memory>
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#include <utility>
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#include "atom/common/atom_constants.h"
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#include "base/bind.h"
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#include "base/values.h"
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#include "chrome/browser/browser_process.h"
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#include "content/public/browser/stream_handle.h"
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#include "content/public/browser/stream_info.h"
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#include "content/public/browser/web_contents.h"
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#include "content/public/browser/web_ui.h"
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#include "content/public/common/page_zoom.h"
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#include "content/public/common/url_constants.h"
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#include "net/http/http_response_headers.h"
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#include "ui/base/l10n/l10n_util.h"
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#include "ui/base/webui/web_ui_util.h"
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namespace atom {
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namespace {
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void CreateResponseHeadersDictionary(const net::HttpResponseHeaders* headers,
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base::DictionaryValue* result) {
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if (!headers)
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return;
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size_t iter = 0;
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std::string header_name;
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std::string header_value;
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while (headers->EnumerateHeaderLines(&iter, &header_name, &header_value)) {
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base::Value* existing_value = nullptr;
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if (result->Get(header_name, &existing_value)) {
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std::string src = existing_value->GetString();
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result->SetString(header_name, src + ", " + header_value);
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} else {
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result->SetString(header_name, header_value);
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}
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}
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}
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void PopulateStreamInfo(base::DictionaryValue* stream_info,
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content::StreamInfo* stream,
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const std::string& original_url) {
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auto headers_dict = std::make_unique<base::DictionaryValue>();
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auto stream_url = stream->handle->GetURL().spec();
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CreateResponseHeadersDictionary(stream->response_headers.get(),
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headers_dict.get());
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stream_info->SetString("streamURL", stream_url);
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stream_info->SetString("originalURL", original_url);
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stream_info->Set("responseHeaders", std::move(headers_dict));
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}
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} // namespace
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PdfViewerHandler::PdfViewerHandler(const std::string& src)
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: original_url_(src) {}
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PdfViewerHandler::~PdfViewerHandler() {
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RemoveObserver();
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}
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void PdfViewerHandler::SetPdfResourceStream(content::StreamInfo* stream) {
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stream_ = stream;
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if (!!initialize_callback_id_.get()) {
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auto list = std::make_unique<base::ListValue>();
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list->Set(0, std::move(initialize_callback_id_));
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Initialize(list.get());
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}
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}
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void PdfViewerHandler::RegisterMessages() {
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web_ui()->RegisterMessageCallback(
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"initialize", base::BindRepeating(&PdfViewerHandler::Initialize,
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base::Unretained(this)));
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web_ui()->RegisterMessageCallback(
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"getDefaultZoom", base::BindRepeating(&PdfViewerHandler::GetInitialZoom,
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base::Unretained(this)));
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web_ui()->RegisterMessageCallback(
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"getInitialZoom", base::BindRepeating(&PdfViewerHandler::GetInitialZoom,
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base::Unretained(this)));
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web_ui()->RegisterMessageCallback(
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"setZoom",
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base::BindRepeating(&PdfViewerHandler::SetZoom, base::Unretained(this)));
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web_ui()->RegisterMessageCallback(
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"getStrings", base::BindRepeating(&PdfViewerHandler::GetStrings,
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base::Unretained(this)));
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web_ui()->RegisterMessageCallback(
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"reload",
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base::BindRepeating(&PdfViewerHandler::Reload, base::Unretained(this)));
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}
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void PdfViewerHandler::OnJavascriptAllowed() {
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AddObserver();
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}
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void PdfViewerHandler::OnJavascriptDisallowed() {
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RemoveObserver();
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}
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void PdfViewerHandler::Initialize(const base::ListValue* args) {
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CHECK_EQ(1U, args->GetSize());
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const base::Value* callback_id;
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CHECK(args->Get(0, &callback_id));
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if (stream_) {
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CHECK(!initialize_callback_id_.get());
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AllowJavascript();
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auto stream_info = std::make_unique<base::DictionaryValue>();
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PopulateStreamInfo(stream_info.get(), stream_, original_url_);
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ResolveJavascriptCallback(*callback_id, *stream_info);
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} else {
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initialize_callback_id_ =
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base::Value::ToUniquePtrValue(callback_id.Clone());
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}
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auto zoom_controller =
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WebContentsZoomController::FromWebContents(web_ui()->GetWebContents());
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zoom_controller->SetZoomMode(WebContentsZoomController::ZoomMode::MANUAL);
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zoom_controller->SetZoomLevel(0);
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}
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void PdfViewerHandler::GetDefaultZoom(const base::ListValue* args) {
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if (!IsJavascriptAllowed())
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return;
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CHECK_EQ(1U, args->GetSize());
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const base::Value* callback_id;
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CHECK(args->Get(0, &callback_id));
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auto zoom_controller =
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WebContentsZoomController::FromWebContents(web_ui()->GetWebContents());
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double zoom_level = zoom_controller->GetDefaultZoomLevel();
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ResolveJavascriptCallback(
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*callback_id, base::Value(content::ZoomLevelToZoomFactor(zoom_level)));
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}
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void PdfViewerHandler::GetInitialZoom(const base::ListValue* args) {
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if (!IsJavascriptAllowed())
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return;
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CHECK_EQ(1U, args->GetSize());
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const base::Value* callback_id;
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CHECK(args->Get(0, &callback_id));
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auto zoom_controller =
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WebContentsZoomController::FromWebContents(web_ui()->GetWebContents());
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double zoom_level = zoom_controller->GetZoomLevel();
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ResolveJavascriptCallback(
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*callback_id, base::Value(content::ZoomLevelToZoomFactor(zoom_level)));
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}
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void PdfViewerHandler::SetZoom(const base::ListValue* args) {
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if (!IsJavascriptAllowed())
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return;
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CHECK_EQ(2U, args->GetSize());
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const base::Value* callback_id;
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CHECK(args->Get(0, &callback_id));
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double zoom_level = 0.0;
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CHECK(args->GetDouble(1, &zoom_level));
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auto zoom_controller =
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WebContentsZoomController::FromWebContents(web_ui()->GetWebContents());
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zoom_controller->SetZoomLevel(zoom_level);
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ResolveJavascriptCallback(*callback_id, base::Value(zoom_level));
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}
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void PdfViewerHandler::GetStrings(const base::ListValue* args) {
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if (!IsJavascriptAllowed())
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return;
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CHECK_EQ(1U, args->GetSize());
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const base::Value* callback_id;
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CHECK(args->Get(0, &callback_id));
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auto result = std::make_unique<base::DictionaryValue>();
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// TODO(deepak1556): Generate strings from components/pdf_strings.grdp.
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#define SET_STRING(id, resource) result->SetString(id, resource)
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SET_STRING("passwordPrompt",
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"This document is password protected. Please enter a password.");
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SET_STRING("passwordSubmit", "Submit");
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SET_STRING("passwordInvalid", "Incorrect password");
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SET_STRING("pageLoading", "Loading...");
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SET_STRING("pageLoadFailed", "Failed to load PDF document");
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SET_STRING("pageReload", "Reload");
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SET_STRING("bookmarks", "Bookmarks");
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SET_STRING("labelPageNumber", "Page number");
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SET_STRING("tooltipRotateCW", "Rotate clockwise");
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SET_STRING("tooltipDownload", "Download");
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SET_STRING("tooltipFitToPage", "Fit to page");
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SET_STRING("tooltipFitToWidth", "Fit to width");
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SET_STRING("tooltipZoomIn", "Zoom in");
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SET_STRING("tooltipZoomOut", "Zoom out");
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#undef SET_STRING
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webui::SetLoadTimeDataDefaults(g_browser_process->GetApplicationLocale(),
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result.get());
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ResolveJavascriptCallback(*callback_id, *result);
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}
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void PdfViewerHandler::Reload(const base::ListValue* args) {
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CHECK_EQ(0U, args->GetSize());
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web_ui()->GetWebContents()->ReloadFocusedFrame(false);
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}
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void PdfViewerHandler::OnZoomLevelChanged(content::WebContents* web_contents,
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double level,
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bool is_temporary) {
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if (web_ui()->GetWebContents() == web_contents) {
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CallJavascriptFunction("cr.webUIListenerCallback",
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base::Value("onZoomLevelChanged"),
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base::Value(content::ZoomLevelToZoomFactor(level)));
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}
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}
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void PdfViewerHandler::AddObserver() {
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auto zoom_controller =
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WebContentsZoomController::FromWebContents(web_ui()->GetWebContents());
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zoom_controller->AddObserver(this);
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}
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void PdfViewerHandler::RemoveObserver() {
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auto zoom_controller =
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WebContentsZoomController::FromWebContents(web_ui()->GetWebContents());
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zoom_controller->RemoveObserver(this);
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}
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} // namespace atom
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