electron/atom/browser/web_contents_preferences.cc

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// Copyright (c) 2015 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/web_contents_preferences.h"
#include "atom/common/options_switches.h"
#include "base/command_line.h"
#include "base/strings/string_number_conversions.h"
#include "content/public/common/web_preferences.h"
#include "net/base/filename_util.h"
#if defined(OS_WIN)
#include "ui/gfx/switches.h"
#endif
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namespace atom {
namespace {
// Pointer as WebContents's user data key.
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const char* kWebPreferencesKey = "WebContentsPreferences";
// Array of available web runtime features.
const char* kWebRuntimeFeatures[] = {
switches::kExperimentalFeatures,
switches::kExperimentalCanvasFeatures,
switches::kSubpixelFontScaling,
switches::kOverlayScrollbars,
switches::kOverlayFullscreenVideo,
switches::kSharedWorker,
switches::kPageVisibility,
};
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} // namespace
WebContentsPreferences::WebContentsPreferences(
content::WebContents* web_contents,
base::DictionaryValue&& web_preferences) {
web_preferences_.Swap(&web_preferences);
web_contents->SetUserData(kWebPreferencesKey, this);
}
WebContentsPreferences::~WebContentsPreferences() {
}
// static
WebContentsPreferences* WebContentsPreferences::From(
content::WebContents* web_contents) {
return static_cast<WebContentsPreferences*>(
web_contents->GetUserData(kWebPreferencesKey));
}
// static
void WebContentsPreferences::AppendExtraCommandLineSwitches(
content::WebContents* web_contents, base::CommandLine* command_line) {
WebContentsPreferences* self = From(web_contents);
CHECK(self);
base::DictionaryValue& web_preferences = self->web_preferences_;
bool b;
#if defined(OS_WIN)
// Check if DirectWrite is disabled.
if (web_preferences.GetBoolean(switches::kDirectWrite, &b) && !b)
command_line->AppendSwitch(::switches::kDisableDirectWrite);
#endif
// Check if plugins are enabled.
if (web_preferences.GetBoolean("plugins", &b) && b)
command_line->AppendSwitch(switches::kEnablePlugins);
// This set of options are not availabe in WebPreferences, so we have to pass
// them via command line and enable them in renderer procss.
for (size_t i = 0; i < arraysize(kWebRuntimeFeatures); ++i) {
const char* feature = kWebRuntimeFeatures[i];
if (web_preferences.GetBoolean(feature, &b))
command_line->AppendSwitchASCII(feature, b ? "true" : "false");
}
// Check if we have node integration specified.
bool node_integration = true;
web_preferences.GetBoolean(switches::kNodeIntegration, &node_integration);
// Be compatible with old API of "node-integration" option.
std::string old_token;
if (web_preferences.GetString(switches::kNodeIntegration, &old_token) &&
old_token != "disable")
node_integration = true;
command_line->AppendSwitchASCII(switches::kNodeIntegration,
node_integration ? "true" : "false");
// The preload script.
base::FilePath::StringType preload;
if (web_preferences.GetString(switches::kPreloadScript, &preload)) {
if (base::FilePath(preload).IsAbsolute())
command_line->AppendSwitchNative(switches::kPreloadScript, preload);
else
LOG(ERROR) << "preload script must have abosulute path.";
} else if (web_preferences.GetString(switches::kPreloadUrl, &preload)) {
// Translate to file path if there is "preload-url" option.
base::FilePath preload_path;
if (net::FileURLToFilePath(GURL(preload), &preload_path))
command_line->AppendSwitchPath(switches::kPreloadScript, preload_path);
else
LOG(ERROR) << "preload url must be file:// protocol.";
}
// The zoom factor.
double zoom_factor = 1.0;
if (web_preferences.GetDouble(switches::kZoomFactor, &zoom_factor) &&
zoom_factor != 1.0)
command_line->AppendSwitchASCII(switches::kZoomFactor,
base::DoubleToString(zoom_factor));
}
void WebContentsPreferences::OverrideWebkitPrefs(
content::WebContents* web_contents, content::WebPreferences* prefs) {
WebContentsPreferences* self = From(web_contents);
CHECK(self);
bool b;
if (self->web_preferences_.GetBoolean("javascript", &b))
prefs->javascript_enabled = b;
if (self->web_preferences_.GetBoolean("images", &b))
prefs->images_enabled = b;
if (self->web_preferences_.GetBoolean("java", &b))
prefs->java_enabled = b;
if (self->web_preferences_.GetBoolean("text-areas-are-resizable", &b))
prefs->text_areas_are_resizable = b;
if (self->web_preferences_.GetBoolean("webgl", &b))
prefs->experimental_webgl_enabled = b;
if (self->web_preferences_.GetBoolean("webaudio", &b))
prefs->webaudio_enabled = b;
if (self->web_preferences_.GetBoolean("web-security", &b)) {
prefs->web_security_enabled = b;
prefs->allow_displaying_insecure_content = !b;
prefs->allow_running_insecure_content = !b;
}
if (self->web_preferences_.GetBoolean("allow-displaying-insecure-content",
&b))
prefs->allow_displaying_insecure_content = b;
if (self->web_preferences_.GetBoolean("allow-running-insecure-content", &b))
prefs->allow_running_insecure_content = b;
}
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} // namespace atom