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
|
// 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 "content/browser/android/popup_touch_handle_drawable.h"
#include "jni/PopupTouchHandleDrawable_jni.h"
namespace content {
PopupTouchHandleDrawable::PopupTouchHandleDrawable(
base::android::ScopedJavaLocalRef<jobject> drawable,
float dpi_scale)
: dpi_scale_(dpi_scale), drawable_(drawable) {
DCHECK(drawable.obj());
}
PopupTouchHandleDrawable::~PopupTouchHandleDrawable() {
// Explicitly disabling ensures that any external references to the Java
// object are cleared, allowing it to be GC'ed in a timely fashion.
SetEnabled(false);
}
void PopupTouchHandleDrawable::SetEnabled(bool enabled) {
JNIEnv* env = base::android::AttachCurrentThread();
if (enabled)
Java_PopupTouchHandleDrawable_show(env, drawable_.obj());
else
Java_PopupTouchHandleDrawable_hide(env, drawable_.obj());
}
void PopupTouchHandleDrawable::SetOrientation(
ui::TouchHandleOrientation orientation) {
JNIEnv* env = base::android::AttachCurrentThread();
jobject obj = drawable_.obj();
switch (orientation) {
case ui::TOUCH_HANDLE_LEFT:
Java_PopupTouchHandleDrawable_setLeftOrientation(env, obj);
break;
case ui::TOUCH_HANDLE_RIGHT:
Java_PopupTouchHandleDrawable_setRightOrientation(env, obj);
break;
case ui::TOUCH_HANDLE_CENTER:
Java_PopupTouchHandleDrawable_setCenterOrientation(env, obj);
break;
case ui::TOUCH_HANDLE_ORIENTATION_UNDEFINED:
NOTREACHED() << "Invalid touch handle orientation.";
};
}
void PopupTouchHandleDrawable::SetAlpha(float alpha) {
JNIEnv* env = base::android::AttachCurrentThread();
bool visible = alpha > 0;
Java_PopupTouchHandleDrawable_setVisible(env, drawable_.obj(), visible);
}
void PopupTouchHandleDrawable::SetFocus(const gfx::PointF& position) {
const gfx::PointF position_pix = gfx::ScalePoint(position, dpi_scale_);
JNIEnv* env = base::android::AttachCurrentThread();
Java_PopupTouchHandleDrawable_setFocus(
env, drawable_.obj(), position_pix.x(), position_pix.y());
}
gfx::RectF PopupTouchHandleDrawable::GetVisibleBounds() const {
JNIEnv* env = base::android::AttachCurrentThread();
gfx::RectF unscaled_rect(
Java_PopupTouchHandleDrawable_getPositionX(env, drawable_.obj()),
Java_PopupTouchHandleDrawable_getPositionY(env, drawable_.obj()),
Java_PopupTouchHandleDrawable_getVisibleWidth(env, drawable_.obj()),
Java_PopupTouchHandleDrawable_getVisibleHeight(env, drawable_.obj()));
return gfx::ScaleRect(unscaled_rect, 1.f / dpi_scale_);
}
// static
bool PopupTouchHandleDrawable::RegisterPopupTouchHandleDrawable(JNIEnv* env) {
return RegisterNativesImpl(env);
}
} // namespace content
|
