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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "content/browser/android/popup_touch_handle_drawable.h"
      6 
      7 #include "jni/PopupTouchHandleDrawable_jni.h"
      8 
      9 namespace content {
     10 
     11 PopupTouchHandleDrawable::PopupTouchHandleDrawable(
     12     base::android::ScopedJavaLocalRef<jobject> drawable,
     13     float dpi_scale)
     14     : dpi_scale_(dpi_scale), drawable_(drawable) {
     15   DCHECK(drawable.obj());
     16 }
     17 
     18 PopupTouchHandleDrawable::~PopupTouchHandleDrawable() {
     19   // Explicitly disabling ensures that any external references to the Java
     20   // object are cleared, allowing it to be GC'ed in a timely fashion.
     21   SetEnabled(false);
     22 }
     23 
     24 void PopupTouchHandleDrawable::SetEnabled(bool enabled) {
     25   JNIEnv* env = base::android::AttachCurrentThread();
     26   if (enabled)
     27     Java_PopupTouchHandleDrawable_show(env, drawable_.obj());
     28   else
     29     Java_PopupTouchHandleDrawable_hide(env, drawable_.obj());
     30 }
     31 
     32 void PopupTouchHandleDrawable::SetOrientation(
     33     TouchHandleOrientation orientation) {
     34   JNIEnv* env = base::android::AttachCurrentThread();
     35   jobject obj = drawable_.obj();
     36   switch (orientation) {
     37     case TOUCH_HANDLE_LEFT:
     38       Java_PopupTouchHandleDrawable_setLeftOrientation(env, obj);
     39       break;
     40 
     41     case TOUCH_HANDLE_RIGHT:
     42       Java_PopupTouchHandleDrawable_setRightOrientation(env, obj);
     43       break;
     44 
     45     case TOUCH_HANDLE_CENTER:
     46       Java_PopupTouchHandleDrawable_setCenterOrientation(env, obj);
     47       break;
     48 
     49     case TOUCH_HANDLE_ORIENTATION_UNDEFINED:
     50       NOTREACHED() << "Invalid touch handle orientation.";
     51   };
     52 }
     53 
     54 void PopupTouchHandleDrawable::SetAlpha(float alpha) {
     55   JNIEnv* env = base::android::AttachCurrentThread();
     56   Java_PopupTouchHandleDrawable_setOpacity(env, drawable_.obj(), alpha);
     57 }
     58 
     59 void PopupTouchHandleDrawable::SetFocus(const gfx::PointF& position) {
     60   const gfx::PointF position_pix = gfx::ScalePoint(position, dpi_scale_);
     61   JNIEnv* env = base::android::AttachCurrentThread();
     62   Java_PopupTouchHandleDrawable_setFocus(
     63       env, drawable_.obj(), position_pix.x(), position_pix.y());
     64 }
     65 
     66 void PopupTouchHandleDrawable::SetVisible(bool visible) {
     67   JNIEnv* env = base::android::AttachCurrentThread();
     68   Java_PopupTouchHandleDrawable_setVisible(env, drawable_.obj(), visible);
     69 }
     70 
     71 bool PopupTouchHandleDrawable::IntersectsWith(const gfx::RectF& rect) const {
     72   const gfx::RectF rect_pix = gfx::ScaleRect(rect, dpi_scale_);
     73   JNIEnv* env = base::android::AttachCurrentThread();
     74   return Java_PopupTouchHandleDrawable_intersectsWith(env,
     75                                                       drawable_.obj(),
     76                                                       rect_pix.x(),
     77                                                       rect_pix.y(),
     78                                                       rect_pix.width(),
     79                                                       rect_pix.height());
     80 }
     81 
     82 // static
     83 bool PopupTouchHandleDrawable::RegisterPopupTouchHandleDrawable(JNIEnv* env) {
     84   return RegisterNativesImpl(env);
     85 }
     86 
     87 }  // namespace content
     88