1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.gallery3d.photoeditor.actions; 18 19 import android.content.Context; 20 import android.content.res.Resources; 21 import android.graphics.drawable.Drawable; 22 import android.os.SystemClock; 23 import android.view.LayoutInflater; 24 import android.view.MotionEvent; 25 import android.view.View; 26 import android.view.ViewGroup; 27 import android.widget.TextView; 28 29 import com.android.gallery3d.R; 30 import com.android.gallery3d.photoeditor.PhotoView; 31 32 /** 33 * Tool kit used by effect actions to retrieve tools, including managing tool creation/removal. 34 */ 35 public class EffectToolKit { 36 37 public enum ScaleType { 38 LIGHT, SHADOW, COLOR, GENERIC 39 } 40 41 private final LayoutInflater inflater; 42 private final PhotoView photoView; 43 private final ViewGroup toolPanel; 44 private final ViewGroup toolFullscreen; 45 EffectToolKit(View root, CharSequence label)46 public EffectToolKit(View root, CharSequence label) { 47 inflater = (LayoutInflater) root.getContext().getSystemService( 48 Context.LAYOUT_INFLATER_SERVICE); 49 50 // Create effect tool panel as the first child of effects-bar. 51 ViewGroup effectsBar = (ViewGroup) root.findViewById(R.id.effects_bar); 52 toolPanel = (ViewGroup) inflater.inflate( 53 R.layout.photoeditor_effect_tool_panel, effectsBar, false); 54 ((TextView) toolPanel.findViewById(R.id.effect_label)).setText(label); 55 effectsBar.addView(toolPanel, 0); 56 57 // Create effect tool full-screen on top of photo-view and place it within the same 58 // view group that contains photo-view. 59 photoView = (PhotoView) root.findViewById(R.id.photo_view); 60 ViewGroup parent = (ViewGroup) photoView.getParent(); 61 toolFullscreen = (ViewGroup) inflater.inflate( 62 R.layout.photoeditor_effect_tool_fullscreen, parent, false); 63 parent.addView(toolFullscreen, parent.indexOfChild(photoView) + 1); 64 } 65 getPhotoView()66 public PhotoView getPhotoView() { 67 return photoView; 68 } 69 70 /** 71 * Cancel pending touch events and stop dispatching further touch events to tools. 72 */ cancel()73 public void cancel() { 74 long now = SystemClock.uptimeMillis(); 75 MotionEvent cancelEvent = MotionEvent.obtain(now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0); 76 toolFullscreen.dispatchTouchEvent(cancelEvent); 77 toolPanel.dispatchTouchEvent(cancelEvent); 78 cancelEvent.recycle(); 79 View.OnTouchListener listener = new View.OnTouchListener() { 80 81 @Override 82 public boolean onTouch(View v, MotionEvent event) { 83 // Consume all further touch events and don't dispatch them. 84 return true; 85 } 86 }; 87 toolFullscreen.setOnTouchListener(listener); 88 toolPanel.setOnTouchListener(listener); 89 } 90 91 /** 92 * Close to remove all created tools. 93 */ close()94 public void close() { 95 ((ViewGroup) toolFullscreen.getParent()).removeView(toolFullscreen); 96 ((ViewGroup) toolPanel.getParent()).removeView(toolPanel); 97 } 98 addFullscreenTool(int toolId)99 private View addFullscreenTool(int toolId) { 100 FullscreenToolView tool = (FullscreenToolView) inflater.inflate( 101 toolId, toolFullscreen, false); 102 tool.setPhotoBounds(getPhotoView().getPhotoBounds()); 103 toolFullscreen.addView(tool); 104 return tool; 105 } 106 addPanelTool(int toolId)107 private View addPanelTool(int toolId) { 108 // Add the tool right above the effect-label in the panel. 109 View tool = inflater.inflate(toolId, toolPanel, false); 110 toolPanel.addView(tool, toolPanel.indexOfChild(toolPanel.findViewById(R.id.effect_label))); 111 return tool; 112 } 113 getScalePickerProgressDrawable(Resources res, ScaleType type)114 private Drawable getScalePickerProgressDrawable(Resources res, ScaleType type) { 115 switch (type) { 116 case LIGHT: 117 return res.getDrawable(R.drawable.photoeditor_scale_seekbar_light); 118 119 case SHADOW: 120 return res.getDrawable(R.drawable.photoeditor_scale_seekbar_shadow); 121 122 case COLOR: 123 return res.getDrawable(R.drawable.photoeditor_scale_seekbar_color); 124 } 125 return res.getDrawable(R.drawable.photoeditor_scale_seekbar_generic); 126 } 127 addScalePicker(ScaleType type)128 public ScaleSeekBar addScalePicker(ScaleType type) { 129 ScaleSeekBar scalePicker = (ScaleSeekBar) addPanelTool( 130 R.layout.photoeditor_scale_seekbar); 131 scalePicker.setProgressDrawable(getScalePickerProgressDrawable( 132 toolPanel.getResources(), type)); 133 return scalePicker; 134 } 135 addColorPicker()136 public ColorSeekBar addColorPicker() { 137 return (ColorSeekBar) addPanelTool(R.layout.photoeditor_color_seekbar); 138 } 139 addDoodleView()140 public DoodleView addDoodleView() { 141 return (DoodleView) addFullscreenTool(R.layout.photoeditor_doodle_view); 142 } 143 addTouchView()144 public TouchView addTouchView() { 145 return (TouchView) addFullscreenTool(R.layout.photoeditor_touch_view); 146 } 147 addFlipView()148 public FlipView addFlipView() { 149 return (FlipView) addFullscreenTool(R.layout.photoeditor_flip_view); 150 } 151 addRotateView()152 public RotateView addRotateView() { 153 return (RotateView) addFullscreenTool(R.layout.photoeditor_rotate_view); 154 } 155 addCropView()156 public CropView addCropView() { 157 return (CropView) addFullscreenTool(R.layout.photoeditor_crop_view); 158 } 159 } 160