1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
// Copyright 2014 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 "chrome/browser/android/accessibility/font_size_prefs_android.h"
#include "base/observer_list.h"
#include "base/prefs/pref_change_registrar.h"
#include "base/prefs/pref_service.h"
#include "chrome/browser/profiles/profile_android.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/pref_names.h"
#include "jni/FontSizePrefs_jni.h"
FontSizePrefsAndroid::FontSizePrefsAndroid(JNIEnv* env, jobject obj)
: pref_service_(ProfileManager::GetActiveUserProfile()->GetPrefs()) {
java_ref_.Reset(env, obj);
pref_change_registrar_.reset(new PrefChangeRegistrar);
pref_change_registrar_->Init(pref_service_);
pref_change_registrar_->Add(
prefs::kWebKitFontScaleFactor,
base::Bind(&FontSizePrefsAndroid::OnFontScaleFactorPrefsChanged,
base::Unretained(this)));
pref_change_registrar_->Add(
prefs::kWebKitForceEnableZoom,
base::Bind(&FontSizePrefsAndroid::OnForceEnableZoomPrefsChanged,
base::Unretained(this)));
}
FontSizePrefsAndroid::~FontSizePrefsAndroid() {
}
void FontSizePrefsAndroid::SetFontScaleFactor(JNIEnv* env,
jobject obj,
jfloat font_size) {
pref_service_->SetDouble(prefs::kWebKitFontScaleFactor,
static_cast<double>(font_size));
}
float FontSizePrefsAndroid::GetFontScaleFactor(JNIEnv* env, jobject obj) {
return pref_service_->GetDouble(prefs::kWebKitFontScaleFactor);
}
void FontSizePrefsAndroid::SetForceEnableZoom(JNIEnv* env,
jobject obj,
jboolean enabled) {
pref_service_->SetBoolean(prefs::kWebKitForceEnableZoom, enabled);
}
bool FontSizePrefsAndroid::GetForceEnableZoom(JNIEnv* env, jobject obj) {
return pref_service_->GetBoolean(prefs::kWebKitForceEnableZoom);
}
void FontSizePrefsAndroid::AddObserver(JNIEnv* env,
jobject obj,
jlong observer_ptr) {
FontSizePrefsObserverAndroid* font_size_prefs_observer_android =
reinterpret_cast<FontSizePrefsObserverAndroid*>(observer_ptr);
observers_.AddObserver(font_size_prefs_observer_android);
}
void FontSizePrefsAndroid::RemoveObserver(JNIEnv* env,
jobject obj,
jlong observer_ptr) {
FontSizePrefsObserverAndroid* font_size_prefs_observer_android =
reinterpret_cast<FontSizePrefsObserverAndroid*>(observer_ptr);
observers_.RemoveObserver(font_size_prefs_observer_android);
}
bool FontSizePrefsAndroid::Register(JNIEnv* env) {
return RegisterNativesImpl(env);
}
jlong Init(JNIEnv* env, jobject obj) {
FontSizePrefsAndroid* font_size_prefs_android =
new FontSizePrefsAndroid(env, obj);
return reinterpret_cast<intptr_t>(font_size_prefs_android);
}
void FontSizePrefsAndroid::OnFontScaleFactorPrefsChanged() {
JNIEnv* env = base::android::AttachCurrentThread();
FOR_EACH_OBSERVER(Observer,
observers_,
OnChangeFontSize(GetFontScaleFactor(env, java_ref_.obj())));
}
void FontSizePrefsAndroid::OnForceEnableZoomPrefsChanged() {
JNIEnv* env = base::android::AttachCurrentThread();
FOR_EACH_OBSERVER(
Observer,
observers_,
OnChangeForceEnableZoom(GetForceEnableZoom(env, java_ref_.obj())));
}
FontSizePrefsObserverAndroid::FontSizePrefsObserverAndroid(JNIEnv* env,
jobject obj) {
java_ref_.Reset(env, obj);
}
FontSizePrefsObserverAndroid::~FontSizePrefsObserverAndroid() {
}
bool FontSizePrefsObserverAndroid::Register(JNIEnv* env) {
return RegisterNativesImpl(env);
}
void FontSizePrefsObserverAndroid::DestroyObserverAndroid(JNIEnv* env,
jobject obj) {
delete this;
}
jlong InitObserverAndroid(JNIEnv* env, jobject obj) {
FontSizePrefsObserverAndroid* observer_wrapper =
new FontSizePrefsObserverAndroid(env, obj);
return reinterpret_cast<intptr_t>(observer_wrapper);
}
void FontSizePrefsObserverAndroid::OnChangeFontSize(float font_size) {
JNIEnv* env = base::android::AttachCurrentThread();
Java_FontSizePrefsObserverWrapper_onChangeFontSize(
env, java_ref_.obj(), font_size);
}
void FontSizePrefsObserverAndroid::OnChangeForceEnableZoom(bool enabled) {
JNIEnv* env = base::android::AttachCurrentThread();
Java_FontSizePrefsObserverWrapper_onChangeForceEnableZoom(
env, java_ref_.obj(), enabled);
}
|
