blob: 6f63877f17bad37e4f5e8dc92e040a4b29e08994 [file] [log] [blame]
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "android_webview/browser/aw_settings.h"
#include "android_webview/browser/aw_content_browser_client.h"
#include "android_webview/browser/aw_contents.h"
#include "android_webview/browser/renderer_host/aw_render_view_host_ext.h"
#include "android_webview/common/aw_content_client.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/supports_user_data.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/renderer_preferences.h"
#include "content/public/common/web_preferences.h"
#include "jni/AwSettings_jni.h"
#include "ui/gfx/font_render_params.h"
using base::android::ConvertJavaStringToUTF16;
using base::android::ConvertUTF8ToJavaString;
using base::android::JavaParamRef;
using base::android::ScopedJavaLocalRef;
using content::RendererPreferences;
using content::WebPreferences;
namespace android_webview {
namespace {
void PopulateFixedRendererPreferences(RendererPreferences* prefs) {
prefs->tap_multiple_targets_strategy =
content::TAP_MULTIPLE_TARGETS_STRATEGY_NONE;
// TODO(boliu): Deduplicate with chrome/ code.
CR_DEFINE_STATIC_LOCAL(
const gfx::FontRenderParams, params,
(gfx::GetFontRenderParams(gfx::FontRenderParamsQuery(), NULL)));
prefs->should_antialias_text = params.antialiasing;
prefs->use_subpixel_positioning = params.subpixel_positioning;
prefs->hinting = params.hinting;
prefs->use_autohinter = params.autohinter;
prefs->use_bitmaps = params.use_bitmaps;
prefs->subpixel_rendering = params.subpixel_rendering;
}
void PopulateFixedWebPreferences(WebPreferences* web_prefs) {
web_prefs->shrinks_standalone_images_to_fit = false;
web_prefs->should_clear_document_background = false;
web_prefs->viewport_meta_enabled = true;
}
const void* const kAwSettingsUserDataKey = &kAwSettingsUserDataKey;
}; // namespace
class AwSettingsUserData : public base::SupportsUserData::Data {
public:
explicit AwSettingsUserData(AwSettings* ptr) : settings_(ptr) {}
static AwSettings* GetSettings(content::WebContents* web_contents) {
if (!web_contents)
return NULL;
AwSettingsUserData* data = static_cast<AwSettingsUserData*>(
web_contents->GetUserData(kAwSettingsUserDataKey));
return data ? data->settings_ : NULL;
}
private:
AwSettings* settings_;
};
AwSettings::AwSettings(JNIEnv* env,
jobject obj,
content::WebContents* web_contents)
: WebContentsObserver(web_contents),
renderer_prefs_initialized_(false),
javascript_can_open_windows_automatically_(false),
aw_settings_(env, obj) {
web_contents->SetUserData(kAwSettingsUserDataKey,
base::MakeUnique<AwSettingsUserData>(this));
}
AwSettings::~AwSettings() {
if (web_contents()) {
web_contents()->SetUserData(kAwSettingsUserDataKey, NULL);
}
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobject> scoped_obj = aw_settings_.get(env);
if (scoped_obj.is_null())
return;
Java_AwSettings_nativeAwSettingsGone(env, scoped_obj,
reinterpret_cast<intptr_t>(this));
}
bool AwSettings::GetJavaScriptCanOpenWindowsAutomatically() {
return javascript_can_open_windows_automatically_;
}
void AwSettings::Destroy(JNIEnv* env, const JavaParamRef<jobject>& obj) {
delete this;
}
AwSettings* AwSettings::FromWebContents(content::WebContents* web_contents) {
return AwSettingsUserData::GetSettings(web_contents);
}
AwRenderViewHostExt* AwSettings::GetAwRenderViewHostExt() {
if (!web_contents())
return NULL;
AwContents* contents = AwContents::FromWebContents(web_contents());
if (!contents)
return NULL;
return contents->render_view_host_ext();
}
void AwSettings::ResetScrollAndScaleState(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
AwRenderViewHostExt* rvhe = GetAwRenderViewHostExt();
if (!rvhe)
return;
rvhe->ResetScrollAndScaleState();
}
void AwSettings::UpdateEverything() {
JNIEnv* env = base::android::AttachCurrentThread();
CHECK(env);
ScopedJavaLocalRef<jobject> scoped_obj = aw_settings_.get(env);
if (scoped_obj.is_null())
return;
// Grab the lock and call UpdateEverythingLocked.
Java_AwSettings_updateEverything(env, scoped_obj);
}
void AwSettings::UpdateEverythingLocked(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
UpdateInitialPageScaleLocked(env, obj);
UpdateWebkitPreferencesLocked(env, obj);
UpdateUserAgentLocked(env, obj);
ResetScrollAndScaleState(env, obj);
UpdateFormDataPreferencesLocked(env, obj);
UpdateRendererPreferencesLocked(env, obj);
UpdateOffscreenPreRasterLocked(env, obj);
}
void AwSettings::UpdateUserAgentLocked(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
if (!web_contents())
return;
ScopedJavaLocalRef<jstring> str =
Java_AwSettings_getUserAgentLocked(env, obj);
bool ua_overidden = str.obj() != NULL;
if (ua_overidden) {
std::string override = base::android::ConvertJavaStringToUTF8(str);
web_contents()->SetUserAgentOverride(override);
}
const content::NavigationController& controller =
web_contents()->GetController();
for (int i = 0; i < controller.GetEntryCount(); ++i)
controller.GetEntryAtIndex(i)->SetIsOverridingUserAgent(ua_overidden);
}
void AwSettings::UpdateWebkitPreferencesLocked(
JNIEnv* env,
const JavaParamRef<jobject>& obj) {
if (!web_contents())
return;
AwRenderViewHostExt* render_view_host_ext = GetAwRenderViewHostExt();
if (!render_view_host_ext)
return;
content::RenderViewHost* render_view_host =
web_contents()->GetRenderViewHost();
if (!render_view_host)
return;
render_view_host->OnWebkitPreferencesChanged();
}
void AwSettings::UpdateInitialPageScaleLocked(
JNIEnv* env,
const JavaParamRef<jobject>& obj) {
AwRenderViewHostExt* rvhe = GetAwRenderViewHostExt();
if (!rvhe)
return;
float initial_page_scale_percent =
Java_AwSettings_getInitialPageScalePercentLocked(env, obj);
if (initial_page_scale_percent == 0) {
rvhe->SetInitialPageScale(-1);
} else {
float dip_scale =
static_cast<float>(Java_AwSettings_getDIPScaleLocked(env, obj));
rvhe->SetInitialPageScale(initial_page_scale_percent / dip_scale / 100.0f);
}
}
void AwSettings::UpdateFormDataPreferencesLocked(
JNIEnv* env,
const JavaParamRef<jobject>& obj) {
if (!web_contents())
return;
AwContents* contents = AwContents::FromWebContents(web_contents());
if (!contents)
return;
contents->SetSaveFormData(Java_AwSettings_getSaveFormDataLocked(env, obj));
}
void AwSettings::UpdateRendererPreferencesLocked(
JNIEnv* env,
const JavaParamRef<jobject>& obj) {
if (!web_contents())
return;
bool update_prefs = false;
RendererPreferences* prefs = web_contents()->GetMutableRendererPrefs();
if (!renderer_prefs_initialized_) {
PopulateFixedRendererPreferences(prefs);
renderer_prefs_initialized_ = true;
update_prefs = true;
}
if (prefs->accept_languages.compare(
AwContentBrowserClient::GetAcceptLangsImpl())) {
prefs->accept_languages = AwContentBrowserClient::GetAcceptLangsImpl();
update_prefs = true;
}
content::RenderViewHost* host = web_contents()->GetRenderViewHost();
if (update_prefs && host)
host->SyncRendererPrefs();
}
void AwSettings::UpdateOffscreenPreRasterLocked(
JNIEnv* env,
const JavaParamRef<jobject>& obj) {
AwContents* contents = AwContents::FromWebContents(web_contents());
if (contents) {
contents->SetOffscreenPreRaster(
Java_AwSettings_getOffscreenPreRasterLocked(env, obj));
}
}
void AwSettings::RenderViewHostChanged(content::RenderViewHost* old_host,
content::RenderViewHost* new_host) {
DCHECK_EQ(new_host, web_contents()->GetRenderViewHost());
UpdateEverything();
}
void AwSettings::WebContentsDestroyed() {
delete this;
}
void AwSettings::PopulateWebPreferences(WebPreferences* web_prefs) {
JNIEnv* env = base::android::AttachCurrentThread();
CHECK(env);
ScopedJavaLocalRef<jobject> scoped_obj = aw_settings_.get(env);
if (scoped_obj.is_null())
return;
// Grab the lock and call PopulateWebPreferencesLocked.
Java_AwSettings_populateWebPreferences(env, scoped_obj,
reinterpret_cast<jlong>(web_prefs));
}
void AwSettings::PopulateWebPreferencesLocked(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong web_prefs_ptr) {
AwRenderViewHostExt* render_view_host_ext = GetAwRenderViewHostExt();
if (!render_view_host_ext)
return;
WebPreferences* web_prefs = reinterpret_cast<WebPreferences*>(web_prefs_ptr);
PopulateFixedWebPreferences(web_prefs);
web_prefs->text_autosizing_enabled =
Java_AwSettings_getTextAutosizingEnabledLocked(env, obj);
int text_size_percent = Java_AwSettings_getTextSizePercentLocked(env, obj);
if (web_prefs->text_autosizing_enabled) {
web_prefs->font_scale_factor = text_size_percent / 100.0f;
web_prefs->force_enable_zoom = text_size_percent >= 130;
// Use the default zoom factor value when Text Autosizer is turned on.
render_view_host_ext->SetTextZoomFactor(1);
} else {
web_prefs->force_enable_zoom = false;
render_view_host_ext->SetTextZoomFactor(text_size_percent / 100.0f);
}
web_prefs->standard_font_family_map[content::kCommonScript] =
ConvertJavaStringToUTF16(
Java_AwSettings_getStandardFontFamilyLocked(env, obj));
web_prefs->fixed_font_family_map[content::kCommonScript] =
ConvertJavaStringToUTF16(
Java_AwSettings_getFixedFontFamilyLocked(env, obj));
web_prefs->sans_serif_font_family_map[content::kCommonScript] =
ConvertJavaStringToUTF16(
Java_AwSettings_getSansSerifFontFamilyLocked(env, obj));
web_prefs->serif_font_family_map[content::kCommonScript] =
ConvertJavaStringToUTF16(
Java_AwSettings_getSerifFontFamilyLocked(env, obj));
web_prefs->cursive_font_family_map[content::kCommonScript] =
ConvertJavaStringToUTF16(
Java_AwSettings_getCursiveFontFamilyLocked(env, obj));
web_prefs->fantasy_font_family_map[content::kCommonScript] =
ConvertJavaStringToUTF16(
Java_AwSettings_getFantasyFontFamilyLocked(env, obj));
web_prefs->default_encoding = ConvertJavaStringToUTF8(
Java_AwSettings_getDefaultTextEncodingLocked(env, obj));
web_prefs->minimum_font_size =
Java_AwSettings_getMinimumFontSizeLocked(env, obj);
web_prefs->minimum_logical_font_size =
Java_AwSettings_getMinimumLogicalFontSizeLocked(env, obj);
web_prefs->default_font_size =
Java_AwSettings_getDefaultFontSizeLocked(env, obj);
web_prefs->default_fixed_font_size =
Java_AwSettings_getDefaultFixedFontSizeLocked(env, obj);
// Blink's LoadsImagesAutomatically and ImagesEnabled must be
// set cris-cross to Android's. See
// https://code.google.com/p/chromium/issues/detail?id=224317#c26
web_prefs->loads_images_automatically =
Java_AwSettings_getImagesEnabledLocked(env, obj);
web_prefs->images_enabled =
Java_AwSettings_getLoadsImagesAutomaticallyLocked(env, obj);
web_prefs->javascript_enabled =
Java_AwSettings_getJavaScriptEnabledLocked(env, obj);
web_prefs->allow_universal_access_from_file_urls =
Java_AwSettings_getAllowUniversalAccessFromFileURLsLocked(env, obj);
web_prefs->allow_file_access_from_file_urls =
Java_AwSettings_getAllowFileAccessFromFileURLsLocked(env, obj);
javascript_can_open_windows_automatically_ =
Java_AwSettings_getJavaScriptCanOpenWindowsAutomaticallyLocked(env, obj);
web_prefs->supports_multiple_windows =
Java_AwSettings_getSupportMultipleWindowsLocked(env, obj);
web_prefs->plugins_enabled =
!Java_AwSettings_getPluginsDisabledLocked(env, obj);
web_prefs->application_cache_enabled =
Java_AwSettings_getAppCacheEnabledLocked(env, obj);
web_prefs->local_storage_enabled =
Java_AwSettings_getDomStorageEnabledLocked(env, obj);
web_prefs->databases_enabled =
Java_AwSettings_getDatabaseEnabledLocked(env, obj);
web_prefs->wide_viewport_quirk = true;
web_prefs->use_wide_viewport =
Java_AwSettings_getUseWideViewportLocked(env, obj);
web_prefs->force_zero_layout_height =
Java_AwSettings_getForceZeroLayoutHeightLocked(env, obj);
const bool zero_layout_height_disables_viewport_quirk =
Java_AwSettings_getZeroLayoutHeightDisablesViewportQuirkLocked(env, obj);
web_prefs->viewport_enabled = !(zero_layout_height_disables_viewport_quirk &&
web_prefs->force_zero_layout_height);
web_prefs->double_tap_to_zoom_enabled =
Java_AwSettings_supportsDoubleTapZoomLocked(env, obj);
web_prefs->initialize_at_minimum_page_scale =
Java_AwSettings_getLoadWithOverviewModeLocked(env, obj);
web_prefs->autoplay_policy =
Java_AwSettings_getMediaPlaybackRequiresUserGestureLocked(env, obj)
? content::AutoplayPolicy::kUserGestureRequired
: content::AutoplayPolicy::kNoUserGestureRequired;
ScopedJavaLocalRef<jstring> url =
Java_AwSettings_getDefaultVideoPosterURLLocked(env, obj);
web_prefs->default_video_poster_url =
url.obj() ? GURL(ConvertJavaStringToUTF8(url)) : GURL();
bool support_quirks = Java_AwSettings_getSupportLegacyQuirksLocked(env, obj);
// Please see the corresponding Blink settings for bug references.
web_prefs->support_deprecated_target_density_dpi = support_quirks;
web_prefs->use_legacy_background_size_shorthand_behavior = support_quirks;
web_prefs->viewport_meta_layout_size_quirk = support_quirks;
web_prefs->viewport_meta_merge_content_quirk = support_quirks;
web_prefs->viewport_meta_non_user_scalable_quirk = support_quirks;
web_prefs->viewport_meta_zero_values_quirk = support_quirks;
web_prefs->clobber_user_agent_initial_scale_quirk = support_quirks;
web_prefs->ignore_main_frame_overflow_hidden_quirk = support_quirks;
web_prefs->report_screen_size_in_physical_pixels_quirk = support_quirks;
web_prefs->resue_global_for_unowned_main_frame =
Java_AwSettings_getAllowEmptyDocumentPersistenceLocked(env, obj);
web_prefs->password_echo_enabled =
Java_AwSettings_getPasswordEchoEnabledLocked(env, obj);
web_prefs->spatial_navigation_enabled =
Java_AwSettings_getSpatialNavigationLocked(env, obj);
bool enable_supported_hardware_accelerated_features =
Java_AwSettings_getEnableSupportedHardwareAcceleratedFeaturesLocked(env,
obj);
bool accelerated_2d_canvas_enabled_by_switch =
web_prefs->accelerated_2d_canvas_enabled;
web_prefs->accelerated_2d_canvas_enabled = true;
if (!accelerated_2d_canvas_enabled_by_switch ||
!enable_supported_hardware_accelerated_features) {
// Any canvas smaller than this will fallback to software. Abusing this
// slightly to turn canvas off without changing
// accelerated_2d_canvas_enabled, which also affects compositing mode.
// Using 100M instead of max int to avoid overflows.
web_prefs->minimum_accelerated_2d_canvas_size = 100 * 1000 * 1000;
}
web_prefs->experimental_webgl_enabled =
web_prefs->experimental_webgl_enabled &&
enable_supported_hardware_accelerated_features;
// If strict mixed content checking is enabled then running should not be
// allowed.
DCHECK(!Java_AwSettings_getUseStricMixedContentCheckingLocked(env, obj) ||
!Java_AwSettings_getAllowRunningInsecureContentLocked(env, obj));
web_prefs->allow_running_insecure_content =
Java_AwSettings_getAllowRunningInsecureContentLocked(env, obj);
web_prefs->strict_mixed_content_checking =
Java_AwSettings_getUseStricMixedContentCheckingLocked(env, obj);
web_prefs->fullscreen_supported =
Java_AwSettings_getFullscreenSupportedLocked(env, obj);
web_prefs->record_whole_document =
Java_AwSettings_getRecordFullDocument(env, obj);
// TODO(jww): This should be removed once sufficient warning has been given of
// possible API breakage because of disabling insecure use of geolocation.
web_prefs->allow_geolocation_on_insecure_origins =
Java_AwSettings_getAllowGeolocationOnInsecureOrigins(env, obj);
web_prefs->do_not_update_selection_on_mutating_selection_range =
Java_AwSettings_getDoNotUpdateSelectionOnMutatingSelectionRange(env, obj);
web_prefs->css_hex_alpha_color_enabled =
Java_AwSettings_getCSSHexAlphaColorEnabledLocked(env, obj);
// Keep spellcheck disabled on html elements unless the spellcheck="true"
// attribute is explicitly specified. This "opt-in" behavior is for backward
// consistency in apps that use WebView (see crbug.com/652314).
web_prefs->spellcheck_enabled_by_default = false;
}
static jlong Init(JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jobject>& web_contents) {
content::WebContents* contents =
content::WebContents::FromJavaWebContents(web_contents);
AwSettings* settings = new AwSettings(env, obj, contents);
return reinterpret_cast<intptr_t>(settings);
}
static ScopedJavaLocalRef<jstring> GetDefaultUserAgent(
JNIEnv* env,
const JavaParamRef<jclass>& clazz) {
return base::android::ConvertUTF8ToJavaString(env, GetUserAgent());
}
} // namespace android_webview